2003-04-09 Andrew Cagney <cagney@redhat.com>

	Obsolete mips*-*-mach3*.
	* NEWS: Mention that mips*-*-mach3* is obsolete.
	* m3-nat.c: Obsolete file.
	* config/nm-m3.h: Obsolete file.
	* config/mips/tm-mipsm3.h: Obsolete file.
	* config/mips/mipsm3.mt: Obsolete file.
	* config/mips/mipsm3.mh: Obsolete file.
	* config/mips/xm-mipsm3.h: Obsolete file.
	* mipsm3-nat.c: Obsolete file.
	* configure.host: Obsolete mips-dec-mach3*.
	* configure.tgt: Obsolete mips*-*-mach3*.

11 files changed, 5201 insertions, 5186 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8c4ec78..24fd770 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,19 @@
 2003-04-09  Andrew Cagney  <cagney@redhat.com>
 
+	Obsolete mips*-*-mach3*.
+	* NEWS: Mention that mips*-*-mach3* is obsolete.
+	* m3-nat.c: Obsolete file.
+	* config/nm-m3.h: Obsolete file.
+	* config/mips/tm-mipsm3.h: Obsolete file.
+	* config/mips/mipsm3.mt: Obsolete file.
+	* config/mips/mipsm3.mh: Obsolete file.
+	* config/mips/xm-mipsm3.h: Obsolete file.
+	* mipsm3-nat.c: Obsolete file.
+	* configure.host: Obsolete mips-dec-mach3*.
+	* configure.tgt: Obsolete mips*-*-mach3*.
+
+2003-04-09  Andrew Cagney  <cagney@redhat.com>
+
 	* doublest.h: Update copyright.
 	(deprecated_store_floating, deprecated_extract_floating): Rename
 	store_floating and extract_floating.  Update comments.
diff --git a/gdb/NEWS b/gdb/NEWS
index 0e381d9..ee5d088 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -44,6 +44,7 @@ H8/500 simulator 			h8500-hitachi-hms or h8500hms
 HP/PA running BSD				hppa*-*-bsd*
 HP/PA running OSF/1				hppa*-*-osf*
 HP/PA Pro target				hppa*-*-pro*
+PMAX (MIPS) running Mach 3.0			mips*-*-mach3*
 
 * REMOVED configurations and files
 
diff --git a/gdb/config/mips/mipsm3.mh b/gdb/config/mips/mipsm3.mh
index 864ad57..fc9f37c 100644
--- a/gdb/config/mips/mipsm3.mh
+++ b/gdb/config/mips/mipsm3.mh
@@ -1,6 +1,6 @@
-# Host: Little endian MIPS machine such as pmax
-# running Mach 3.0 operating system
-
-NATDEPFILES= mipsm3-nat.o m3-nat.o core-aout.o
-XM_FILE= xm-mipsm3.h
-NAT_FILE= ../nm-m3.h
+# OBSOLETE # Host: Little endian MIPS machine such as pmax
+# OBSOLETE # running Mach 3.0 operating system
+# OBSOLETE 
+# OBSOLETE NATDEPFILES= mipsm3-nat.o m3-nat.o core-aout.o
+# OBSOLETE XM_FILE= xm-mipsm3.h
+# OBSOLETE NAT_FILE= ../nm-m3.h
diff --git a/gdb/config/mips/mipsm3.mt b/gdb/config/mips/mipsm3.mt
index 66856d1..837b27e 100644
--- a/gdb/config/mips/mipsm3.mt
+++ b/gdb/config/mips/mipsm3.mt
@@ -1,4 +1,4 @@
-# Target: Little-endian MIPS machine such as pmax
-# running Mach 3.0 operating system
-TDEPFILES= mips-tdep.o
-TM_FILE= tm-mipsm3.h
+# OBSOLETE # Target: Little-endian MIPS machine such as pmax
+# OBSOLETE # running Mach 3.0 operating system
+# OBSOLETE TDEPFILES= mips-tdep.o
+# OBSOLETE TM_FILE= tm-mipsm3.h
diff --git a/gdb/config/mips/tm-mipsm3.h b/gdb/config/mips/tm-mipsm3.h
index 9e2f490..dbc10d7 100644
--- a/gdb/config/mips/tm-mipsm3.h
+++ b/gdb/config/mips/tm-mipsm3.h
@@ -1,67 +1,67 @@
-/* Definitions to make GDB run on a mips box under Mach 3.0
-   Copyright 1992, 1993, 1998 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-/* Mach specific definitions for little endian mips (e.g. pmax)
- * running Mach 3.0
- *
- * Author: Jukka Virtanen <jtv@hut.fi>
- */
-
-/* Include common definitions for Mach3 systems */
-#include "config/nm-m3.h"
-
-/* Define offsets to access CPROC stack when it does not have
- * a kernel thread.
- */
-
-/* From mk/user/threads/mips/csw.s */
-#define SAVED_FP	(12*4)
-#define SAVED_PC	(13*4)
-#define SAVED_BYTES	(14*4)
-
-/* Using these, define our offsets to items strored in
- * cproc_switch in csw.s
- */
-#define MACHINE_CPROC_SP_OFFSET SAVED_BYTES
-#define MACHINE_CPROC_PC_OFFSET SAVED_PC
-#define MACHINE_CPROC_FP_OFFSET SAVED_FP
-
-/* Thread flavors used in setting the Trace state.
-
- * In <mach/machine/thread_status.h>
- */
-#define TRACE_FLAVOR		MIPS_EXC_STATE
-#define TRACE_FLAVOR_SIZE	MIPS_EXC_STATE_COUNT
-#define TRACE_SET(x,state)	((struct mips_exc_state *)state)->cause = EXC_SST;
-#define TRACE_CLEAR(x,state)	0
-
-/* Mach supports attach/detach */
-#define ATTACH_DETACH 1
-
-#include "mips/tm-mips.h"
-
-/* Address of end of user stack space.
- * for MACH, see <machine/vmparam.h>
- */
-#undef  STACK_END_ADDR
-#define STACK_END_ADDR USRSTACK
-
-/* Output registers in tabular format */
-#define TABULAR_REGISTER_OUTPUT
+// OBSOLETE /* Definitions to make GDB run on a mips box under Mach 3.0
+// OBSOLETE    Copyright 1992, 1993, 1998 Free Software Foundation, Inc.
+// OBSOLETE 
+// OBSOLETE    This file is part of GDB.
+// OBSOLETE 
+// OBSOLETE    This program is free software; you can redistribute it and/or modify
+// OBSOLETE    it under the terms of the GNU General Public License as published by
+// OBSOLETE    the Free Software Foundation; either version 2 of the License, or
+// OBSOLETE    (at your option) any later version.
+// OBSOLETE 
+// OBSOLETE    This program is distributed in the hope that it will be useful,
+// OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of
+// OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// OBSOLETE    GNU General Public License for more details.
+// OBSOLETE 
+// OBSOLETE    You should have received a copy of the GNU General Public License
+// OBSOLETE    along with this program; if not, write to the Free Software
+// OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,
+// OBSOLETE    Boston, MA 02111-1307, USA.  */
+// OBSOLETE 
+// OBSOLETE /* Mach specific definitions for little endian mips (e.g. pmax)
+// OBSOLETE  * running Mach 3.0
+// OBSOLETE  *
+// OBSOLETE  * Author: Jukka Virtanen <jtv@hut.fi>
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE /* Include common definitions for Mach3 systems */
+// OBSOLETE #include "config/nm-m3.h"
+// OBSOLETE 
+// OBSOLETE /* Define offsets to access CPROC stack when it does not have
+// OBSOLETE  * a kernel thread.
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE /* From mk/user/threads/mips/csw.s */
+// OBSOLETE #define SAVED_FP	(12*4)
+// OBSOLETE #define SAVED_PC	(13*4)
+// OBSOLETE #define SAVED_BYTES	(14*4)
+// OBSOLETE 
+// OBSOLETE /* Using these, define our offsets to items strored in
+// OBSOLETE  * cproc_switch in csw.s
+// OBSOLETE  */
+// OBSOLETE #define MACHINE_CPROC_SP_OFFSET SAVED_BYTES
+// OBSOLETE #define MACHINE_CPROC_PC_OFFSET SAVED_PC
+// OBSOLETE #define MACHINE_CPROC_FP_OFFSET SAVED_FP
+// OBSOLETE 
+// OBSOLETE /* Thread flavors used in setting the Trace state.
+// OBSOLETE 
+// OBSOLETE  * In <mach/machine/thread_status.h>
+// OBSOLETE  */
+// OBSOLETE #define TRACE_FLAVOR		MIPS_EXC_STATE
+// OBSOLETE #define TRACE_FLAVOR_SIZE	MIPS_EXC_STATE_COUNT
+// OBSOLETE #define TRACE_SET(x,state)	((struct mips_exc_state *)state)->cause = EXC_SST;
+// OBSOLETE #define TRACE_CLEAR(x,state)	0
+// OBSOLETE 
+// OBSOLETE /* Mach supports attach/detach */
+// OBSOLETE #define ATTACH_DETACH 1
+// OBSOLETE 
+// OBSOLETE #include "mips/tm-mips.h"
+// OBSOLETE 
+// OBSOLETE /* Address of end of user stack space.
+// OBSOLETE  * for MACH, see <machine/vmparam.h>
+// OBSOLETE  */
+// OBSOLETE #undef  STACK_END_ADDR
+// OBSOLETE #define STACK_END_ADDR USRSTACK
+// OBSOLETE 
+// OBSOLETE /* Output registers in tabular format */
+// OBSOLETE #define TABULAR_REGISTER_OUTPUT
diff --git a/gdb/config/mips/xm-mipsm3.h b/gdb/config/mips/xm-mipsm3.h
index b2e9f4d..2207d3a 100644
--- a/gdb/config/mips/xm-mipsm3.h
+++ b/gdb/config/mips/xm-mipsm3.h
@@ -1,29 +1,29 @@
-/* Definitions to make GDB run on a mips box under 4.3bsd.
-   Copyright 1986, 1987, 1989, 1993 Free Software Foundation, Inc.
-   Contributed by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin
-   and by Alessandro Forin(af@cs.cmu.edu) at CMU
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#define KERNEL_U_ADDR 0		/* Not needed. */
-
-/* Only used for core files on DECstations. */
-
-#define REGISTER_U_ADDR(addr, blockend, regno) 		\
-	if (regno < 38) addr = (NBPG*UPAGES) + (regno - 38)*sizeof(int);\
-	else addr = 0;		/* ..somewhere in the pcb */
+// OBSOLETE /* Definitions to make GDB run on a mips box under 4.3bsd.
+// OBSOLETE    Copyright 1986, 1987, 1989, 1993 Free Software Foundation, Inc.
+// OBSOLETE    Contributed by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin
+// OBSOLETE    and by Alessandro Forin(af@cs.cmu.edu) at CMU
+// OBSOLETE 
+// OBSOLETE    This file is part of GDB.
+// OBSOLETE 
+// OBSOLETE    This program is free software; you can redistribute it and/or modify
+// OBSOLETE    it under the terms of the GNU General Public License as published by
+// OBSOLETE    the Free Software Foundation; either version 2 of the License, or
+// OBSOLETE    (at your option) any later version.
+// OBSOLETE 
+// OBSOLETE    This program is distributed in the hope that it will be useful,
+// OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of
+// OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// OBSOLETE    GNU General Public License for more details.
+// OBSOLETE 
+// OBSOLETE    You should have received a copy of the GNU General Public License
+// OBSOLETE    along with this program; if not, write to the Free Software
+// OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,
+// OBSOLETE    Boston, MA 02111-1307, USA.  */
+// OBSOLETE 
+// OBSOLETE #define KERNEL_U_ADDR 0		/* Not needed. */
+// OBSOLETE 
+// OBSOLETE /* Only used for core files on DECstations. */
+// OBSOLETE 
+// OBSOLETE #define REGISTER_U_ADDR(addr, blockend, regno) 		\
+// OBSOLETE 	if (regno < 38) addr = (NBPG*UPAGES) + (regno - 38)*sizeof(int);\
+// OBSOLETE 	else addr = 0;		/* ..somewhere in the pcb */
diff --git a/gdb/config/nm-m3.h b/gdb/config/nm-m3.h
index 07bc26a..0cc84e3 100644
--- a/gdb/config/nm-m3.h
+++ b/gdb/config/nm-m3.h
@@ -1,126 +1,126 @@
-/* Mach 3.0 common definitions and global vars.
-
-   Copyright 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#ifndef NM_M3_H
-#define NM_M3_H
-
-#include <mach.h>
-#include "regcache.h"
-
-/* Mach3 doesn't declare errno in <errno.h>.  */
-extern int errno;
-
-/* Task port of our debugged inferior. */
-
-extern task_t inferior_task;
-
-/* Thread port of the current thread in the inferior. */
-
-extern thread_t current_thread;
-
-/* If nonzero, we must suspend/abort && resume threads
- * when setting or getting the state.
- */
-extern int must_suspend_thread;
-
-#define PREPARE_TO_PROCEED(select_it) mach3_prepare_to_proceed(select_it)
-
-/* Try to get the privileged host port for authentication to machid
-
- * If you can get this, you may debug anything on this host.
- *
- * If you can't, gdb gives it's own task port as the
- * authentication port
- */
-#define  mach_privileged_host_port() task_by_pid(-1)
-
-/*
- * This is the MIG ID number of the emulator/server bsd_execve() RPC call.
- *
- * It SHOULD never change, but if it does, gdb `run'
- * command won't work until you fix this define.
- * 
- */
-#define MIG_EXEC_SYSCALL_ID		101000
-
-/* If our_message_port gets a msg with this ID,
- * GDB suspends it's inferior and enters command level.
- * (Useful at least if ^C does not work)
- */
-#define GDB_MESSAGE_ID_STOP			0x41151
-
-/* wait3 WNOHANG is defined in <sys/wait.h> but
- * for some reason gdb does not want to include
- * that file.
- *
- * If your system defines WNOHANG differently, this has to be changed.
- */
-#define WNOHANG 1
-
-/* Before storing, we need to read all the registers.  */
-
-#define CHILD_PREPARE_TO_STORE() deprecated_read_register_bytes (0, NULL, REGISTER_BYTES)
-
-/* Check if the inferior exists */
-#define MACH_ERROR_NO_INFERIOR \
-  do if (!MACH_PORT_VALID (inferior_task)) \
-  	error ("Inferior task does not exist."); while(0)
-
-/* Error handler for mach calls */
-#define CHK(str,ret)	\
-  do if (ret != KERN_SUCCESS) \
-       error ("Gdb %s [%d] %s : %s\n",__FILE__,__LINE__,str, \
-	      mach_error_string(ret)); while(0)
-
-/* This is from POE9 emulator/emul_stack.h
- */
-/*
- * Top of emulator stack holds link and reply port.
- */
-struct emul_stack_top
-  {
-    struct emul_stack_top *link;
-    mach_port_t reply_port;
-  };
-
-#define EMULATOR_STACK_SIZE (4096*4)
-
-#define THREAD_ALLOWED_TO_BREAK(mid) mach_thread_for_breakpoint (mid)
-
-#define THREAD_PARSE_ID(arg) mach_thread_parse_id (arg)
-
-#define THREAD_OUTPUT_ID(mid) mach_thread_output_id (mid)
-
-#define ATTACH_TO_THREAD attach_to_thread
-
-/* Don't do wait_for_inferior on attach.  */
-#define ATTACH_NO_WAIT
-
-/* Do Mach 3 dependent operations when ^C or a STOP is requested */
-#define DO_QUIT() mach3_quit ()
-
-#if 0
-/* This is bogus.  It is NOT OK to quit out of target_wait.  */
-/* If in mach_msg() and ^C is typed set immediate_quit */
-#define REQUEST_QUIT() mach3_request_quit ()
-#endif
-
-#endif /* NM_M3_H */
+// OBSOLETE /* Mach 3.0 common definitions and global vars.
+// OBSOLETE 
+// OBSOLETE    Copyright 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
+// OBSOLETE 
+// OBSOLETE    This file is part of GDB.
+// OBSOLETE 
+// OBSOLETE    This program is free software; you can redistribute it and/or modify
+// OBSOLETE    it under the terms of the GNU General Public License as published by
+// OBSOLETE    the Free Software Foundation; either version 2 of the License, or
+// OBSOLETE    (at your option) any later version.
+// OBSOLETE 
+// OBSOLETE    This program is distributed in the hope that it will be useful,
+// OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of
+// OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// OBSOLETE    GNU General Public License for more details.
+// OBSOLETE 
+// OBSOLETE    You should have received a copy of the GNU General Public License
+// OBSOLETE    along with this program; if not, write to the Free Software
+// OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,
+// OBSOLETE    Boston, MA 02111-1307, USA.  */
+// OBSOLETE 
+// OBSOLETE #ifndef NM_M3_H
+// OBSOLETE #define NM_M3_H
+// OBSOLETE 
+// OBSOLETE #include <mach.h>
+// OBSOLETE #include "regcache.h"
+// OBSOLETE 
+// OBSOLETE /* Mach3 doesn't declare errno in <errno.h>.  */
+// OBSOLETE extern int errno;
+// OBSOLETE 
+// OBSOLETE /* Task port of our debugged inferior. */
+// OBSOLETE 
+// OBSOLETE extern task_t inferior_task;
+// OBSOLETE 
+// OBSOLETE /* Thread port of the current thread in the inferior. */
+// OBSOLETE 
+// OBSOLETE extern thread_t current_thread;
+// OBSOLETE 
+// OBSOLETE /* If nonzero, we must suspend/abort && resume threads
+// OBSOLETE  * when setting or getting the state.
+// OBSOLETE  */
+// OBSOLETE extern int must_suspend_thread;
+// OBSOLETE 
+// OBSOLETE #define PREPARE_TO_PROCEED(select_it) mach3_prepare_to_proceed(select_it)
+// OBSOLETE 
+// OBSOLETE /* Try to get the privileged host port for authentication to machid
+// OBSOLETE 
+// OBSOLETE  * If you can get this, you may debug anything on this host.
+// OBSOLETE  *
+// OBSOLETE  * If you can't, gdb gives it's own task port as the
+// OBSOLETE  * authentication port
+// OBSOLETE  */
+// OBSOLETE #define  mach_privileged_host_port() task_by_pid(-1)
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE  * This is the MIG ID number of the emulator/server bsd_execve() RPC call.
+// OBSOLETE  *
+// OBSOLETE  * It SHOULD never change, but if it does, gdb `run'
+// OBSOLETE  * command won't work until you fix this define.
+// OBSOLETE  * 
+// OBSOLETE  */
+// OBSOLETE #define MIG_EXEC_SYSCALL_ID		101000
+// OBSOLETE 
+// OBSOLETE /* If our_message_port gets a msg with this ID,
+// OBSOLETE  * GDB suspends it's inferior and enters command level.
+// OBSOLETE  * (Useful at least if ^C does not work)
+// OBSOLETE  */
+// OBSOLETE #define GDB_MESSAGE_ID_STOP			0x41151
+// OBSOLETE 
+// OBSOLETE /* wait3 WNOHANG is defined in <sys/wait.h> but
+// OBSOLETE  * for some reason gdb does not want to include
+// OBSOLETE  * that file.
+// OBSOLETE  *
+// OBSOLETE  * If your system defines WNOHANG differently, this has to be changed.
+// OBSOLETE  */
+// OBSOLETE #define WNOHANG 1
+// OBSOLETE 
+// OBSOLETE /* Before storing, we need to read all the registers.  */
+// OBSOLETE 
+// OBSOLETE #define CHILD_PREPARE_TO_STORE() deprecated_read_register_bytes (0, NULL, REGISTER_BYTES)
+// OBSOLETE 
+// OBSOLETE /* Check if the inferior exists */
+// OBSOLETE #define MACH_ERROR_NO_INFERIOR \
+// OBSOLETE   do if (!MACH_PORT_VALID (inferior_task)) \
+// OBSOLETE   	error ("Inferior task does not exist."); while(0)
+// OBSOLETE 
+// OBSOLETE /* Error handler for mach calls */
+// OBSOLETE #define CHK(str,ret)	\
+// OBSOLETE   do if (ret != KERN_SUCCESS) \
+// OBSOLETE        error ("Gdb %s [%d] %s : %s\n",__FILE__,__LINE__,str, \
+// OBSOLETE 	      mach_error_string(ret)); while(0)
+// OBSOLETE 
+// OBSOLETE /* This is from POE9 emulator/emul_stack.h
+// OBSOLETE  */
+// OBSOLETE /*
+// OBSOLETE  * Top of emulator stack holds link and reply port.
+// OBSOLETE  */
+// OBSOLETE struct emul_stack_top
+// OBSOLETE   {
+// OBSOLETE     struct emul_stack_top *link;
+// OBSOLETE     mach_port_t reply_port;
+// OBSOLETE   };
+// OBSOLETE 
+// OBSOLETE #define EMULATOR_STACK_SIZE (4096*4)
+// OBSOLETE 
+// OBSOLETE #define THREAD_ALLOWED_TO_BREAK(mid) mach_thread_for_breakpoint (mid)
+// OBSOLETE 
+// OBSOLETE #define THREAD_PARSE_ID(arg) mach_thread_parse_id (arg)
+// OBSOLETE 
+// OBSOLETE #define THREAD_OUTPUT_ID(mid) mach_thread_output_id (mid)
+// OBSOLETE 
+// OBSOLETE #define ATTACH_TO_THREAD attach_to_thread
+// OBSOLETE 
+// OBSOLETE /* Don't do wait_for_inferior on attach.  */
+// OBSOLETE #define ATTACH_NO_WAIT
+// OBSOLETE 
+// OBSOLETE /* Do Mach 3 dependent operations when ^C or a STOP is requested */
+// OBSOLETE #define DO_QUIT() mach3_quit ()
+// OBSOLETE 
+// OBSOLETE #if 0
+// OBSOLETE /* This is bogus.  It is NOT OK to quit out of target_wait.  */
+// OBSOLETE /* If in mach_msg() and ^C is typed set immediate_quit */
+// OBSOLETE #define REQUEST_QUIT() mach3_request_quit ()
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE #endif /* NM_M3_H */
diff --git a/gdb/configure.host b/gdb/configure.host
index 98acc7e..40786cb 100644
--- a/gdb/configure.host
+++ b/gdb/configure.host
@@ -94,7 +94,7 @@ m68*-sun-sunos3*)	gdb_host=sun3os3 ;;
 m68*-sun-sunos4*)	gdb_host=sun3os4 ;;
 m68*-sun-*)		gdb_host=sun3os4 ;;
 
-mips-dec-mach3*)	gdb_host=mipsm3 ;;
+# OBSOLETE mips-dec-mach3*)	gdb_host=mipsm3 ;;
 mips-dec-*)		gdb_host=decstation ;;
 mips-little-*)		gdb_host=littlemips ;;
 mips-sgi-irix3*)	gdb_host=irix3 ;;
diff --git a/gdb/configure.tgt b/gdb/configure.tgt
index 9a4dba3..092192f 100644
--- a/gdb/configure.tgt
+++ b/gdb/configure.tgt
@@ -172,7 +172,7 @@ mips*-*-linux*)		gdb_target=linux
 			build_gdbserver=yes
 			;;
 mips*-*-netbsd*)	gdb_target=nbsd ;;
-mips*-*-mach3*)		gdb_target=mipsm3 ;;
+# OBSOLETE mips*-*-mach3*)		gdb_target=mipsm3 ;;
 mips*-*-sysv4*)		gdb_target=mipsv4 ;;
 mips*-*-sysv*)		gdb_target=bigmips ;;
 mips*-*-riscos*)	gdb_target=bigmips ;;
diff --git a/gdb/m3-nat.c b/gdb/m3-nat.c
index 28e62a8..93ef57a 100644
--- a/gdb/m3-nat.c
+++ b/gdb/m3-nat.c
@@ -1,4566 +1,4566 @@
-/* Interface GDB to Mach 3.0 operating systems.
-   (Most) Mach 3.0 related routines live in this file.
-
-   Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-   2002 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-/*
- * Author: Jukka Virtanen <jtv@hut.fi>
- *         Computing Centre
- *         Helsinki University of Technology
- *         Finland
- *
- * Thanks to my friends who helped with ideas and testing:
- *
- *      Johannes Helander, Antti Louko, Tero Mononen,
- *      jvh@cs.hut.fi      alo@hut.fi   tmo@cs.hut.fi
- *
- *      Tero Kivinen       and          Eamonn McManus
- *      kivinen@cs.hut.fi               emcmanus@gr.osf.org
- *      
- */
-
-#include <stdio.h>
-
-#include <mach.h>
-#include <servers/netname.h>
-#include <servers/machid.h>
-#include <mach/message.h>
-#include <mach/notify.h>
-#include <mach_error.h>
-#include <mach/exception.h>
-#include <mach/vm_attributes.h>
-
-#include "defs.h"
-#include "inferior.h"
-#include "symtab.h"
-#include "value.h"
-#include "language.h"
-#include "target.h"
-#include "gdb_wait.h"
-#include "gdbcmd.h"
-#include "gdbcore.h"
-#include "regcache.h"
-
-#if 0
-#include <servers/machid_lib.h>
-#else
-#define	MACH_TYPE_TASK			1
-#define MACH_TYPE_THREAD		2
-#endif
-
-/* Included only for signal names and NSIG
-
- * note: There are many problems in signal handling with
- *       gdb in Mach 3.0 in general.
- */
-#include <signal.h>
-#define SIG_UNKNOWN 0		/* Exception that has no matching unix signal */
-
-#include <cthreads.h>
-
-/* This is what a cproc looks like.  This is here partly because
-   cthread_internals.h is not a header we can just #include, partly with
-   an eye towards perhaps getting this to work with cross-debugging
-   someday.  Best solution is if CMU publishes a real interface to this
-   stuff.  */
-#define CPROC_NEXT_OFFSET 0
-#define CPROC_NEXT_SIZE (TARGET_PTR_BIT / HOST_CHAR_BIT)
-#define CPROC_INCARNATION_OFFSET (CPROC_NEXT_OFFSET + CPROC_NEXT_SIZE)
-#define CPROC_INCARNATION_SIZE (sizeof (cthread_t))
-#define CPROC_LIST_OFFSET (CPROC_INCARNATION_OFFSET + CPROC_INCARNATION_SIZE)
-#define CPROC_LIST_SIZE (TARGET_PTR_BIT / HOST_CHAR_BIT)
-#define CPROC_WAIT_OFFSET (CPROC_LIST_OFFSET + CPROC_LIST_SIZE)
-#define CPROC_WAIT_SIZE (TARGET_PTR_BIT / HOST_CHAR_BIT)
-#define CPROC_REPLY_OFFSET (CPROC_WAIT_OFFSET + CPROC_WAIT_SIZE)
-#define CPROC_REPLY_SIZE (sizeof (mach_port_t))
-#define CPROC_CONTEXT_OFFSET (CPROC_REPLY_OFFSET + CPROC_REPLY_SIZE)
-#define CPROC_CONTEXT_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
-#define CPROC_LOCK_OFFSET (CPROC_CONTEXT_OFFSET + CPROC_CONTEXT_SIZE)
-#define CPROC_LOCK_SIZE (sizeof (spin_lock_t))
-#define CPROC_STATE_OFFSET (CPROC_LOCK_OFFSET + CPROC_LOCK_SIZE)
-#define CPROC_STATE_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
-#define CPROC_WIRED_OFFSET (CPROC_STATE_OFFSET + CPROC_STATE_SIZE)
-#define CPROC_WIRED_SIZE (sizeof (mach_port_t))
-#define CPROC_BUSY_OFFSET (CPROC_WIRED_OFFSET + CPROC_WIRED_SIZE)
-#define CPROC_BUSY_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
-#define CPROC_MSG_OFFSET (CPROC_BUSY_OFFSET + CPROC_BUSY_SIZE)
-#define CPROC_MSG_SIZE (sizeof (mach_msg_header_t))
-#define CPROC_BASE_OFFSET (CPROC_MSG_OFFSET + CPROC_MSG_SIZE)
-#define CPROC_BASE_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
-#define CPROC_SIZE_OFFSET (CPROC_BASE_OFFSET + CPROC_BASE_SIZE)
-#define CPROC_SIZE_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
-#define CPROC_SIZE (CPROC_SIZE_OFFSET + CPROC_SIZE_SIZE)
-
-/* Values for the state field in the cproc.  */
-#define CPROC_RUNNING	0
-#define CPROC_SWITCHING 1
-#define CPROC_BLOCKED	2
-#define CPROC_CONDWAIT	4
-
-/* For cproc and kernel thread mapping */
-typedef struct gdb_thread
-  {
-    mach_port_t name;
-    CORE_ADDR sp;
-    CORE_ADDR pc;
-    CORE_ADDR fp;
-    boolean_t in_emulator;
-    int slotid;
-
-    /* This is for the mthreads list.  It points to the cproc list.
-       Perhaps the two lists should be merged (or perhaps it was a mistake
-       to make them both use a struct gdb_thread).  */
-    struct gdb_thread *cproc;
-
-    /* These are for the cproc list, which is linked through the next field
-       of the struct gdb_thread.  */
-    char raw_cproc[CPROC_SIZE];
-    /* The cthread which is pointed to by the incarnation field from the
-       cproc.  This points to the copy we've read into GDB.  */
-    cthread_t cthread;
-    /* Point back to the mthreads list.  */
-    int reverse_map;
-    struct gdb_thread *next;
-  }
- *gdb_thread_t;
-
-/* 
- * Actions for Mach exceptions.
- *
- * sigmap field maps the exception to corresponding Unix signal.
- *
- * I do not know how to map the exception to unix signal
- * if SIG_UNKNOWN is specified.
- */
-
-struct exception_list
-  {
-    char *name;
-    boolean_t forward;
-    boolean_t print;
-    int sigmap;
-  }
-exception_map[] =
-{
-  {
-    "not_mach3_exception", FALSE, TRUE, SIG_UNKNOWN
-  }
-  ,
-  {
-    "EXC_BAD_ACCESS", FALSE, TRUE, SIGSEGV
-  }
-  ,
-  {
-    "EXC_BAD_INSTRUCTION", FALSE, TRUE, SIGILL
-  }
-  ,
-  {
-    "EXC_ARITHMETIC", FALSE, TRUE, SIGFPE
-  }
-  ,
-  {
-    "EXC_EMULATION", FALSE, TRUE, SIGEMT
-  }
-  ,				/* ??? */
-  {
-    "EXC_SOFTWARE", FALSE, TRUE, SIG_UNKNOWN
-  }
-  ,
-  {
-    "EXC_BREAKPOINT", FALSE, FALSE, SIGTRAP
-  }
-};
-
-/* Mach exception table size */
-int max_exception = sizeof (exception_map) / sizeof (struct exception_list) - 1;
-
-#define MAX_EXCEPTION max_exception
-
-WAITTYPE wait_status;
-
-/* If you define this, intercepted bsd server calls will be
- * dumped while waiting the inferior to EXEC the correct
- * program
- */
-/* #define DUMP_SYSCALL         /* debugging interceptor */
-
-/* xx_debug() outputs messages if this is nonzero.
- * If > 1, DUMP_SYSCALL will dump message contents.
- */
-int debug_level = 0;
-
-/* "Temporary" debug stuff */
-void
-xx_debug (char *fmt, int a, int b, int c)
-{
-  if (debug_level)
-    warning (fmt, a, b, c);
-}
-
-/* This is in libmach.a */
-extern mach_port_t name_server_port;
-
-/* Set in catch_exception_raise */
-int stop_exception, stop_code, stop_subcode;
-int stopped_in_exception;
-
-/* Thread that was the active thread when we stopped */
-thread_t stop_thread = MACH_PORT_NULL;
-
-char *hostname = "";
-
-/* Set when task is attached or created */
-boolean_t emulator_present = FALSE;
-
-task_t inferior_task;
-thread_t current_thread;
-
-/* Exception ports for inferior task */
-mach_port_t inferior_exception_port = MACH_PORT_NULL;
-mach_port_t inferior_old_exception_port = MACH_PORT_NULL;
-
-/* task exceptions and notifications */
-mach_port_t inferior_wait_port_set = MACH_PORT_NULL;
-mach_port_t our_notify_port = MACH_PORT_NULL;
-
-/* This is "inferior_wait_port_set" when not single stepping, and
- *         "singlestepped_thread_port" when we are single stepping.
- * 
- * This is protected by a cleanup function: discard_single_step()
- */
-mach_port_t currently_waiting_for = MACH_PORT_NULL;
-
-/* A port for external messages to gdb.
- * External in the meaning that they do not come
- * from the inferior_task, but rather from external
- * tasks.
- *
- * As a debugging feature:
- * A debugger debugging another debugger can stop the
- * inferior debugger by the following command sequence
- * (without running external programs)
- *
- *    (top-gdb) set stop_inferior_gdb ()
- *    (top-gdb) continue
- */
-mach_port_t our_message_port = MACH_PORT_NULL;
-
-/* For single stepping */
-mach_port_t thread_exception_port = MACH_PORT_NULL;
-mach_port_t thread_saved_exception_port = MACH_PORT_NULL;
-mach_port_t singlestepped_thread_port = MACH_PORT_NULL;
-
-/* For machid calls */
-mach_port_t mid_server = MACH_PORT_NULL;
-mach_port_t mid_auth = MACH_PORT_NULL;
-
-/* If gdb thinks the inferior task is not suspended, it
- * must take suspend/abort the threads when it reads the state.
- */
-int must_suspend_thread = 0;
-
-/* When single stepping, we switch the port that mach_really_wait() listens to.
- * This cleanup is a guard to prevent the port set from being left to
- * the singlestepped_thread_port when error() is called.
- *  This is nonzero only when we are single stepping.
- */
-#define NULL_CLEANUP (struct cleanup *)0
-struct cleanup *cleanup_step = NULL_CLEANUP;
-
-
-static struct target_ops m3_ops;
-
-static void m3_kill_inferior ();
-
-#if 0
-#define MACH_TYPE_EXCEPTION_PORT	-1
-#endif
-
-/* Chain of ports to remember requested notifications. */
-
-struct port_chain
-  {
-    struct port_chain *next;
-    mach_port_t port;
-    int type;
-    int mid;			/* Now only valid with MACH_TYPE_THREAD and */
-    /*  MACH_TYPE_THREAD */
-  };
-typedef struct port_chain *port_chain_t;
-
-/* Room for chain nodes comes from pchain_obstack */
-struct obstack pchain_obstack;
-struct obstack *port_chain_obstack = &pchain_obstack;
-
-/* For thread handling */
-struct obstack Cproc_obstack;
-struct obstack *cproc_obstack = &Cproc_obstack;
-
-/* the list of notified ports */
-port_chain_t notify_chain = (port_chain_t) NULL;
-
-port_chain_t
-port_chain_insert (port_chain_t list, mach_port_t name, int type)
-{
-  kern_return_t ret;
-  port_chain_t new;
-  int mid;
-
-  if (!MACH_PORT_VALID (name))
-    return list;
-
-  if (type == MACH_TYPE_TASK || type == MACH_TYPE_THREAD)
-    {
-      if (!MACH_PORT_VALID (mid_server))
-	{
-	  warning ("Machid server port invalid, can not map port 0x%x to MID",
-		   name);
-	  mid = name;
-	}
-      else
-	{
-	  ret = machid_mach_register (mid_server, mid_auth, name, type, &mid);
-
-	  if (ret != KERN_SUCCESS)
-	    {
-	      warning ("Can not map name (0x%x) to MID with machid", name);
-	      mid = name;
-	    }
-	}
-    }
-  else
-    internal_error (__FILE__, __LINE__, "failed internal consistency check");
-
-  new = (port_chain_t) obstack_alloc (port_chain_obstack,
-				      sizeof (struct port_chain));
-  new->next = list;
-  new->port = name;
-  new->type = type;
-  new->mid = mid;
-
-  return new;
-}
-
-port_chain_t
-port_chain_delete (port_chain_t list, mach_port_t elem)
-{
-  if (list)
-    if (list->port == elem)
-      list = list->next;
-    else
-      while (list->next)
-	{
-	  if (list->next->port == elem)
-	    list->next = list->next->next;	/* GCd with obstack_free() */
-	  else
-	    list = list->next;
-	}
-  return list;
-}
-
-void
-port_chain_destroy (struct obstack *ostack)
-{
-  obstack_free (ostack, 0);
-  obstack_init (ostack);
-}
-
-port_chain_t
-port_chain_member (port_chain_t list, mach_port_t elem)
-{
-  while (list)
-    {
-      if (list->port == elem)
-	return list;
-      list = list->next;
-    }
-  return (port_chain_t) NULL;
-}
-
-int
-map_port_name_to_mid (mach_port_t name, int type)
-{
-  port_chain_t elem;
-
-  if (!MACH_PORT_VALID (name))
-    return -1;
-
-  elem = port_chain_member (notify_chain, name);
-
-  if (elem && (elem->type == type))
-    return elem->mid;
-
-  if (elem)
-    return -1;
-
-  if (!MACH_PORT_VALID (mid_server))
-    {
-      warning ("Machid server port invalid, can not map port 0x%x to mid",
-	       name);
-      return -1;
-    }
-  else
-    {
-      int mid;
-      kern_return_t ret;
-
-      ret = machid_mach_register (mid_server, mid_auth, name, type, &mid);
-
-      if (ret != KERN_SUCCESS)
-	{
-	  warning ("Can not map name (0x%x) to mid with machid", name);
-	  return -1;
-	}
-      return mid;
-    }
-}
-
-/* Guard for currently_waiting_for and singlestepped_thread_port */
-static void
-discard_single_step (thread_t thread)
-{
-  currently_waiting_for = inferior_wait_port_set;
-
-  cleanup_step = NULL_CLEANUP;
-  if (MACH_PORT_VALID (thread) && MACH_PORT_VALID (singlestepped_thread_port))
-    setup_single_step (thread, FALSE);
-}
-
-setup_single_step (thread_t thread, boolean_t start_step)
-{
-  kern_return_t ret;
-
-  if (!MACH_PORT_VALID (thread))
-    error ("Invalid thread supplied to setup_single_step");
-  else
-    {
-      mach_port_t teport;
-
-      /* Get the current thread exception port */
-      ret = thread_get_exception_port (thread, &teport);
-      CHK ("Getting thread's exception port", ret);
-
-      if (start_step)
-	{
-	  if (MACH_PORT_VALID (singlestepped_thread_port))
-	    {
-	      warning ("Singlestepped_thread_port (0x%x) is still valid?",
-		       singlestepped_thread_port);
-	      singlestepped_thread_port = MACH_PORT_NULL;
-	    }
-
-	  /* If we are already stepping this thread */
-	  if (MACH_PORT_VALID (teport) && teport == thread_exception_port)
-	    {
-	      ret = mach_port_deallocate (mach_task_self (), teport);
-	      CHK ("Could not deallocate thread exception port", ret);
-	    }
-	  else
-	    {
-	      ret = thread_set_exception_port (thread, thread_exception_port);
-	      CHK ("Setting exception port for thread", ret);
-#if 0
-	      /* Insert thread exception port to wait port set */
-	      ret = mach_port_move_member (mach_task_self (),
-					   thread_exception_port,
-					   inferior_wait_port_set);
-	      CHK ("Moving thread exception port to inferior_wait_port_set",
-		   ret);
-#endif
-	      thread_saved_exception_port = teport;
-	    }
-
-	  thread_trace (thread, TRUE);
-
-	  singlestepped_thread_port = thread_exception_port;
-	  currently_waiting_for = singlestepped_thread_port;
-	  cleanup_step = make_cleanup (discard_single_step, thread);
-	}
-      else
-	{
-	  if (!MACH_PORT_VALID (teport))
-	    error ("Single stepped thread had an invalid exception port?");
-
-	  if (teport != thread_exception_port)
-	    error ("Single stepped thread had an unknown exception port?");
-
-	  ret = mach_port_deallocate (mach_task_self (), teport);
-	  CHK ("Couldn't deallocate thread exception port", ret);
-#if 0
-	  /* Remove thread exception port from wait port set */
-	  ret = mach_port_move_member (mach_task_self (),
-				       thread_exception_port,
-				       MACH_PORT_NULL);
-	  CHK ("Removing thread exception port from inferior_wait_port_set",
-	       ret);
-#endif
-	  /* Restore thread's old exception port */
-	  ret = thread_set_exception_port (thread,
-					   thread_saved_exception_port);
-	  CHK ("Restoring stepped thread's exception port", ret);
-
-	  if (MACH_PORT_VALID (thread_saved_exception_port))
-	    (void) mach_port_deallocate (mach_task_self (),
-					 thread_saved_exception_port);
-
-	  thread_trace (thread, FALSE);
-
-	  singlestepped_thread_port = MACH_PORT_NULL;
-	  currently_waiting_for = inferior_wait_port_set;
-	  if (cleanup_step)
-	    discard_cleanups (cleanup_step);
-	}
-    }
-}
-
-static
-request_notify (mach_port_t name, mach_msg_id_t variant, int type)
-{
-  kern_return_t ret;
-  mach_port_t previous_port_dummy = MACH_PORT_NULL;
-
-  if (!MACH_PORT_VALID (name))
-    return;
-
-  if (port_chain_member (notify_chain, name))
-    return;
-
-  ret = mach_port_request_notification (mach_task_self (),
-					name,
-					variant,
-					1,
-					our_notify_port,
-					MACH_MSG_TYPE_MAKE_SEND_ONCE,
-					&previous_port_dummy);
-  CHK ("Serious: request_notify failed", ret);
-
-  (void) mach_port_deallocate (mach_task_self (),
-			       previous_port_dummy);
-
-  notify_chain = port_chain_insert (notify_chain, name, type);
-}
-
-reverse_msg_bits (mach_msg_header_t *msgp, int type)
-{
-  int rbits, lbits;
-  rbits = MACH_MSGH_BITS_REMOTE (msgp->msgh_bits);
-  lbits = type;
-  msgp->msgh_bits =
-    (msgp->msgh_bits & ~MACH_MSGH_BITS_PORTS_MASK) |
-    MACH_MSGH_BITS (lbits, rbits);
-}
-
-/* On the third day He said:
-
-   Let this be global
-   and then it was global.
-
-   When creating the inferior fork, the
-   child code in inflow.c sets the name of the
-   bootstrap_port in its address space to this
-   variable.
-
-   The name is transferred to our address space
-   with mach3_read_inferior().
-
-   Thou shalt not do this with
-   task_get_bootstrap_port() in this task, since
-   the name in the inferior task is different than
-   the one we get.
-
-   For blessed are the meek, as they shall inherit
-   the address space.
- */
-mach_port_t original_server_port_name = MACH_PORT_NULL;
-
-
-/* Called from inferior after FORK but before EXEC */
-static void
-m3_trace_me (void)
-{
-  kern_return_t ret;
-
-  /* Get the NAME of the bootstrap port in this task
-     so that GDB can read it */
-  ret = task_get_bootstrap_port (mach_task_self (),
-				 &original_server_port_name);
-  if (ret != KERN_SUCCESS)
-    internal_error (__FILE__, __LINE__, "failed internal consistency check");
-  ret = mach_port_deallocate (mach_task_self (),
-			      original_server_port_name);
-  if (ret != KERN_SUCCESS)
-    internal_error (__FILE__, __LINE__, "failed internal consistency check");
-
-  /* Suspend this task to let the parent change my ports.
-     Resumed by the debugger */
-  ret = task_suspend (mach_task_self ());
-  if (ret != KERN_SUCCESS)
-    internal_error (__FILE__, __LINE__, "failed internal consistency check");
-}
-
-/*
- * Intercept system calls to Unix server.
- * After EXEC_COUNTER calls to exec(), return.
- *
- * Pre-assertion:  Child is suspended. (Not verified)
- * Post-condition: Child is suspended after EXEC_COUNTER exec() calls.
- */
-
-void
-intercept_exec_calls (int exec_counter)
-{
-  int terminal_initted = 0;
-
-  struct syscall_msg_t
-    {
-      mach_msg_header_t header;
-      mach_msg_type_t type;
-      char room[2000];		/* Enuff space */
-    };
-
-  struct syscall_msg_t syscall_in, syscall_out;
-
-  mach_port_t fake_server;
-  mach_port_t original_server_send;
-  mach_port_t original_exec_reply;
-  mach_port_t exec_reply;
-  mach_port_t exec_reply_send;
-  mach_msg_type_name_t acquired;
-  mach_port_t emulator_server_port_name;
-  struct task_basic_info info;
-  mach_msg_type_number_t info_count;
-
-  kern_return_t ret;
-
-  if (exec_counter <= 0)
-    return;			/* We are already set up in the correct program */
-
-  ret = mach_port_allocate (mach_task_self (),
-			    MACH_PORT_RIGHT_RECEIVE,
-			    &fake_server);
-  CHK ("create inferior_fake_server port failed", ret);
-
-  /* Wait for inferior_task to suspend itself */
-  while (1)
-    {
-      info_count = sizeof (info);
-      ret = task_info (inferior_task,
-		       TASK_BASIC_INFO,
-		       (task_info_t) & info,
-		       &info_count);
-      CHK ("Task info", ret);
-
-      if (info.suspend_count)
-	break;
-
-      /* Note that the definition of the parameter was undefined
-       * at the time of this writing, so I just use an `ad hoc' value.
-       */
-      (void) swtch_pri (42);	/* Universal Priority Value */
-    }
-
-  /* Read the inferior's bootstrap port name */
-  if (!mach3_read_inferior (&original_server_port_name,
-			    &original_server_port_name,
-			    sizeof (original_server_port_name)))
-    error ("Can't read inferior task bootstrap port name");
-
-  /* @@ BUG: If more than 1 send right GDB will FAIL!!! */
-  /*      Should get refs, and set them back when restoring */
-  /* Steal the original bsd server send right from inferior */
-  ret = mach_port_extract_right (inferior_task,
-				 original_server_port_name,
-				 MACH_MSG_TYPE_MOVE_SEND,
-				 &original_server_send,
-				 &acquired);
-  CHK ("mach_port_extract_right (bsd server send)", ret);
-
-  if (acquired != MACH_MSG_TYPE_PORT_SEND)
-    error ("Incorrect right extracted, send right to bsd server expected");
-
-  ret = mach_port_insert_right (inferior_task,
-				original_server_port_name,
-				fake_server,
-				MACH_MSG_TYPE_MAKE_SEND);
-  CHK ("mach_port_insert_right (fake server send)", ret);
-
-  xx_debug ("inferior task bsd server ports set up \nfs %x, ospn %x, oss %x\n",
-	    fake_server,
-	    original_server_port_name, original_server_send);
-
-  /* A receive right to the reply generated by unix server exec() request */
-  ret = mach_port_allocate (mach_task_self (),
-			    MACH_PORT_RIGHT_RECEIVE,
-			    &exec_reply);
-  CHK ("create intercepted_reply_port port failed", ret);
-
-  /* Pass this send right to Unix server so it replies to us after exec() */
-  ret = mach_port_extract_right (mach_task_self (),
-				 exec_reply,
-				 MACH_MSG_TYPE_MAKE_SEND_ONCE,
-				 &exec_reply_send,
-				 &acquired);
-  CHK ("mach_port_extract_right (exec_reply)", ret);
-
-  if (acquired != MACH_MSG_TYPE_PORT_SEND_ONCE)
-    error ("Incorrect right extracted, send once expected for exec reply");
-
-  ret = mach_port_move_member (mach_task_self (),
-			       fake_server,
-			       inferior_wait_port_set);
-  CHK ("Moving fake syscall port to inferior_wait_port_set", ret);
-
-  xx_debug ("syscall fake server set up, resuming inferior\n");
-
-  ret = task_resume (inferior_task);
-  CHK ("task_resume (startup)", ret);
-
-  /* Read requests from the inferior.
-     Pass directly through everything else except exec() calls.
-   */
-  while (exec_counter > 0)
-    {
-      ret = mach_msg (&syscall_in.header,	/* header */
-		      MACH_RCV_MSG,	/* options */
-		      0,	/* send size */
-		      sizeof (struct syscall_msg_t),	/* receive size */
-		      inferior_wait_port_set,	/* receive_name */
-		      MACH_MSG_TIMEOUT_NONE,
-		      MACH_PORT_NULL);
-      CHK ("mach_msg (intercepted sycall)", ret);
-
-#ifdef DUMP_SYSCALL
-      print_msg (&syscall_in.header);
-#endif
-
-      /* ASSERT : msgh_local_port == fake_server */
-
-      if (notify_server (&syscall_in.header, &syscall_out.header))
-	error ("received a notify while intercepting syscalls");
-
-      if (syscall_in.header.msgh_id == MIG_EXEC_SYSCALL_ID)
-	{
-	  xx_debug ("Received EXEC SYSCALL, counter = %d\n", exec_counter);
-	  if (exec_counter == 1)
-	    {
-	      original_exec_reply = syscall_in.header.msgh_remote_port;
-	      syscall_in.header.msgh_remote_port = exec_reply_send;
-	    }
-
-	  if (!terminal_initted)
-	    {
-	      /* Now that the child has exec'd we know it has already set its
-	         process group.  On POSIX systems, tcsetpgrp will fail with
-	         EPERM if we try it before the child's setpgid.  */
-
-	      /* Set up the "saved terminal modes" of the inferior
-	         based on what modes we are starting it with.  */
-	      target_terminal_init ();
-
-	      /* Install inferior's terminal modes.  */
-	      target_terminal_inferior ();
-
-	      terminal_initted = 1;
-	    }
-
-	  exec_counter--;
-	}
-
-      syscall_in.header.msgh_local_port = syscall_in.header.msgh_remote_port;
-      syscall_in.header.msgh_remote_port = original_server_send;
-
-      reverse_msg_bits (&syscall_in.header, MACH_MSG_TYPE_COPY_SEND);
-
-      ret = mach_msg_send (&syscall_in.header);
-      CHK ("Forwarded syscall", ret);
-    }
-
-  ret = mach_port_move_member (mach_task_self (),
-			       fake_server,
-			       MACH_PORT_NULL);
-  CHK ("Moving fake syscall out of inferior_wait_port_set", ret);
-
-  ret = mach_port_move_member (mach_task_self (),
-			       exec_reply,
-			       inferior_wait_port_set);
-  CHK ("Moving exec_reply to inferior_wait_port_set", ret);
-
-  ret = mach_msg (&syscall_in.header,	/* header */
-		  MACH_RCV_MSG,	/* options */
-		  0,		/* send size */
-		  sizeof (struct syscall_msg_t),	/* receive size */
-		  inferior_wait_port_set,	/* receive_name */
-		  MACH_MSG_TIMEOUT_NONE,
-		  MACH_PORT_NULL);
-  CHK ("mach_msg (exec reply)", ret);
-
-  ret = task_suspend (inferior_task);
-  CHK ("Suspending inferior after last exec", ret);
-
-  must_suspend_thread = 0;
-
-  xx_debug ("Received exec reply from bsd server, suspended inferior task\n");
-
-#ifdef DUMP_SYSCALL
-  print_msg (&syscall_in.header);
-#endif
-
-  /* Message should appear as if it came from the unix server */
-  syscall_in.header.msgh_local_port = MACH_PORT_NULL;
-
-  /*  and go to the inferior task original reply port */
-  syscall_in.header.msgh_remote_port = original_exec_reply;
-
-  reverse_msg_bits (&syscall_in.header, MACH_MSG_TYPE_MOVE_SEND_ONCE);
-
-  ret = mach_msg_send (&syscall_in.header);
-  CHK ("Forwarding exec reply to inferior", ret);
-
-  /* Garbage collect */
-  ret = mach_port_deallocate (inferior_task,
-			      original_server_port_name);
-  CHK ("deallocating fake server send right", ret);
-
-  ret = mach_port_insert_right (inferior_task,
-				original_server_port_name,
-				original_server_send,
-				MACH_MSG_TYPE_MOVE_SEND);
-  CHK ("Restoring the original bsd server send right", ret);
-
-  ret = mach_port_destroy (mach_task_self (),
-			   fake_server);
-  fake_server = MACH_PORT_DEAD;
-  CHK ("mach_port_destroy (fake_server)", ret);
-
-  ret = mach_port_destroy (mach_task_self (),
-			   exec_reply);
-  exec_reply = MACH_PORT_DEAD;
-  CHK ("mach_port_destroy (exec_reply)", ret);
-
-  xx_debug ("Done with exec call interception\n");
-}
-
-void
-consume_send_rights (thread_array_t thread_list, int thread_count)
-{
-  int index;
-
-  if (!thread_count)
-    return;
-
-  for (index = 0; index < thread_count; index++)
-    {
-      /* Since thread kill command kills threads, don't check ret */
-      (void) mach_port_deallocate (mach_task_self (),
-				   thread_list[index]);
-    }
-}
-
-/* suspend/abort/resume a thread. */
-setup_thread (mach_port_t thread, int what)
-{
-  kern_return_t ret;
-
-  if (what)
-    {
-      ret = thread_suspend (thread);
-      CHK ("setup_thread thread_suspend", ret);
-
-      ret = thread_abort (thread);
-      CHK ("setup_thread thread_abort", ret);
-    }
-  else
-    {
-      ret = thread_resume (thread);
-      CHK ("setup_thread thread_resume", ret);
-    }
-}
-
-int
-map_slot_to_mid (int slot, thread_array_t threads, int thread_count)
-{
-  kern_return_t ret;
-  int deallocate = 0;
-  int index;
-  int mid;
-
-  if (!threads)
-    {
-      deallocate++;
-      ret = task_threads (inferior_task, &threads, &thread_count);
-      CHK ("Can not select a thread from a dead task", ret);
-    }
-
-  if (slot < 0 || slot >= thread_count)
-    {
-      if (deallocate)
-	{
-	  consume_send_rights (threads, thread_count);
-	  (void) vm_deallocate (mach_task_self (), (vm_address_t) threads,
-				(thread_count * sizeof (mach_port_t)));
-	}
-      if (slot < 0)
-	error ("invalid slot number");
-      else
-	return -(slot + 1);
-    }
-
-  mid = map_port_name_to_mid (threads[slot], MACH_TYPE_THREAD);
-
-  if (deallocate)
-    {
-      consume_send_rights (threads, thread_count);
-      (void) vm_deallocate (mach_task_self (), (vm_address_t) threads,
-			    (thread_count * sizeof (mach_port_t)));
-    }
-
-  return mid;
-}
-
-static int
-parse_thread_id (char *arg, int thread_count, int slots)
-{
-  kern_return_t ret;
-  int mid;
-  int slot;
-  int index;
-
-  if (arg == 0)
-    return 0;
-
-  while (*arg && (*arg == ' ' || *arg == '\t'))
-    arg++;
-
-  if (!*arg)
-    return 0;
-
-  /* Currently parse MID and @SLOTNUMBER */
-  if (*arg != '@')
-    {
-      mid = atoi (arg);
-      if (mid <= 0)
-	error ("valid thread mid expected");
-      return mid;
-    }
-
-  arg++;
-  slot = atoi (arg);
-
-  if (slot < 0)
-    error ("invalid slot number");
-
-  /* If you want slot numbers to remain slot numbers, set slots.
-
-   * Well, since 0 is reserved, return the ordinal number
-   * of the thread rather than the slot number. Awk, this
-   * counts as a kludge.
-   */
-  if (slots)
-    return -(slot + 1);
-
-  if (thread_count && slot >= thread_count)
-    return -(slot + 1);
-
-  mid = map_slot_to_mid (slot);
-
-  return mid;
-}
-
-/* THREAD_ID 0 is special; it selects the first kernel
- * thread from the list (i.e. SLOTNUMBER 0)
- * This is used when starting the program with 'run' or when attaching.
- *
- * If FLAG is 0 the context is not changed, and the registers, frame, etc
- * will continue to describe the old thread.
- *
- * If FLAG is nonzero, really select the thread.
- * If FLAG is 2, the THREAD_ID is a slotnumber instead of a mid.
- * 
- */
-kern_return_t
-select_thread (mach_port_t task, int thread_id, int flag)
-{
-  thread_array_t thread_list;
-  int thread_count;
-  kern_return_t ret;
-  int index;
-  thread_t new_thread = MACH_PORT_NULL;
-
-  if (thread_id < 0)
-    error ("Can't select cprocs without kernel thread");
-
-  ret = task_threads (task, &thread_list, &thread_count);
-  if (ret != KERN_SUCCESS)
-    {
-      warning ("Can not select a thread from a dead task");
-      m3_kill_inferior ();
-      return KERN_FAILURE;
-    }
-
-  if (thread_count == 0)
-    {
-      /* The task can not do anything anymore, but it still
-       * exists as a container for memory and ports.
-       */
-      registers_changed ();
-      warning ("Task %d has no threads",
-	       map_port_name_to_mid (task, MACH_TYPE_TASK));
-      current_thread = MACH_PORT_NULL;
-      (void) vm_deallocate (mach_task_self (),
-			    (vm_address_t) thread_list,
-			    (thread_count * sizeof (mach_port_t)));
-      return KERN_FAILURE;
-    }
-
-  if (!thread_id || flag == 2)
-    {
-      /* First thread or a slotnumber */
-      if (!thread_id)
-	new_thread = thread_list[0];
-      else
-	{
-	  if (thread_id < thread_count)
-	    new_thread = thread_list[thread_id];
-	  else
-	    {
-	      (void) vm_deallocate (mach_task_self (),
-				    (vm_address_t) thread_list,
-				    (thread_count * sizeof (mach_port_t)));
-	      error ("No such thread slot number : %d", thread_id);
-	    }
-	}
-    }
-  else
-    {
-      for (index = 0; index < thread_count; index++)
-	if (thread_id == map_port_name_to_mid (thread_list[index],
-					       MACH_TYPE_THREAD))
-	  {
-	    new_thread = thread_list[index];
-	    index = -1;
-	    break;
-	  }
-
-      if (index != -1)
-	error ("No thread with mid %d", thread_id);
-    }
-
-  /* Notify when the selected thread dies */
-  request_notify (new_thread, MACH_NOTIFY_DEAD_NAME, MACH_TYPE_THREAD);
-
-  ret = vm_deallocate (mach_task_self (),
-		       (vm_address_t) thread_list,
-		       (thread_count * sizeof (mach_port_t)));
-  CHK ("vm_deallocate", ret);
-
-  if (!flag)
-    current_thread = new_thread;
-  else
-    {
-#if 0
-      if (MACH_PORT_VALID (current_thread))
-	{
-	  /* Store the gdb's view of the thread we are deselecting
-
-	   * @@ I think gdb updates registers immediately when they are
-	   * changed, so don't do this.
-	   */
-	  ret = thread_abort (current_thread);
-	  CHK ("Could not abort system calls when saving state of old thread",
-	       ret);
-	  target_prepare_to_store ();
-	  target_store_registers (-1);
-	}
-#endif
-
-      registers_changed ();
-
-      current_thread = new_thread;
-
-      ret = thread_abort (current_thread);
-      CHK ("Could not abort system calls when selecting a thread", ret);
-
-      stop_pc = read_pc ();
-      flush_cached_frames ();
-
-      select_frame (get_current_frame ());
-    }
-
-  return KERN_SUCCESS;
-}
-
-/*
- * Switch to use thread named NEW_THREAD.
- * Return it's MID
- */
-int
-switch_to_thread (thread_t new_thread)
-{
-  thread_t saved_thread = current_thread;
-  int mid;
-
-  mid = map_port_name_to_mid (new_thread,
-			      MACH_TYPE_THREAD);
-  if (mid == -1)
-    warning ("Can't map thread name 0x%x to mid", new_thread);
-  else if (select_thread (inferior_task, mid, 1) != KERN_SUCCESS)
-    {
-      if (current_thread)
-	current_thread = saved_thread;
-      error ("Could not select thread %d", mid);
-    }
-
-  return mid;
-}
-
-/* Do this in gdb after doing FORK but before STARTUP_INFERIOR.
- * Note that the registers are not yet valid in the inferior task.
- */
-static int
-m3_trace_him (int pid)
-{
-  kern_return_t ret;
-
-  push_target (&m3_ops);
-
-  inferior_task = task_by_pid (pid);
-
-  if (!MACH_PORT_VALID (inferior_task))
-    error ("Can not map Unix pid %d to Mach task", pid);
-
-  /* Clean up previous notifications and create new ones */
-  setup_notify_port (1);
-
-  /* When notification appears, the inferior task has died */
-  request_notify (inferior_task, MACH_NOTIFY_DEAD_NAME, MACH_TYPE_TASK);
-
-  emulator_present = have_emulator_p (inferior_task);
-
-  /* By default, select the first thread,
-   * If task has no threads, gives a warning
-   * Does not fetch registers, since they are not yet valid.
-   */
-  select_thread (inferior_task, 0, 0);
-
-  inferior_exception_port = MACH_PORT_NULL;
-
-  setup_exception_port ();
-
-  xx_debug ("Now the debugged task is created\n");
-
-  /* One trap to exec the shell, one to exec the program being debugged.  */
-  intercept_exec_calls (2);
-
-  return pid;
-}
-
-setup_exception_port (void)
-{
-  kern_return_t ret;
-
-  ret = mach_port_allocate (mach_task_self (),
-			    MACH_PORT_RIGHT_RECEIVE,
-			    &inferior_exception_port);
-  CHK ("mach_port_allocate", ret);
-
-  /* add send right */
-  ret = mach_port_insert_right (mach_task_self (),
-				inferior_exception_port,
-				inferior_exception_port,
-				MACH_MSG_TYPE_MAKE_SEND);
-  CHK ("mach_port_insert_right", ret);
-
-  ret = mach_port_move_member (mach_task_self (),
-			       inferior_exception_port,
-			       inferior_wait_port_set);
-  CHK ("mach_port_move_member", ret);
-
-  ret = task_get_special_port (inferior_task,
-			       TASK_EXCEPTION_PORT,
-			       &inferior_old_exception_port);
-  CHK ("task_get_special_port(old exc)", ret);
-
-  ret = task_set_special_port (inferior_task,
-			       TASK_EXCEPTION_PORT,
-			       inferior_exception_port);
-  CHK ("task_set_special_port", ret);
-
-  ret = mach_port_deallocate (mach_task_self (),
-			      inferior_exception_port);
-  CHK ("mack_port_deallocate", ret);
-
-#if 0
-  /* When notify appears, the inferior_task's exception
-   * port has been destroyed.
-   *
-   * Not used, since the dead_name_notification already
-   * appears when task dies.
-   *
-   */
-  request_notify (inferior_exception_port,
-		  MACH_NOTIFY_NO_SENDERS,
-		  MACH_TYPE_EXCEPTION_PORT);
-#endif
-}
-
-/* Nonzero if gdb is waiting for a message */
-int mach_really_waiting;
-
-/* Wait for the inferior to stop for some reason.
-   - Loop on notifications until inferior_task dies.
-   - Loop on exceptions until stopped_in_exception comes true.
-   (e.g. we receive a single step trace trap)
-   - a message arrives to gdb's message port
-
-   There is no other way to exit this loop.
-
-   Returns the inferior_ptid for rest of gdb.
-   Side effects: Set *OURSTATUS.  */
-ptid_t
-mach_really_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
-{
-  kern_return_t ret;
-  int w;
-
-  struct msg
-    {
-      mach_msg_header_t header;
-      mach_msg_type_t foo;
-      int data[8000];
-    }
-  in_msg, out_msg;
-
-  /* Either notify (death), exception or message can stop the inferior */
-  stopped_in_exception = FALSE;
-
-  while (1)
-    {
-      QUIT;
-
-      stop_exception = stop_code = stop_subcode = -1;
-      stop_thread = MACH_PORT_NULL;
-
-      mach_really_waiting = 1;
-      ret = mach_msg (&in_msg.header,	/* header */
-		      MACH_RCV_MSG,	/* options */
-		      0,	/* send size */
-		      sizeof (struct msg),	/* receive size */
-		      currently_waiting_for,	/* receive name */
-		      MACH_MSG_TIMEOUT_NONE,
-		      MACH_PORT_NULL);
-      mach_really_waiting = 0;
-      CHK ("mach_msg (receive)", ret);
-
-      /* Check if we received a notify of the childs' death */
-      if (notify_server (&in_msg.header, &out_msg.header))
-	{
-	  /* If inferior_task is null then the inferior has
-	     gone away and we want to return to command level.
-	     Otherwise it was just an informative message and we
-	     need to look to see if there are any more. */
-	  if (inferior_task != MACH_PORT_NULL)
-	    continue;
-	  else
-	    {
-	      /* Collect Unix exit status for gdb */
-
-	      wait3 (&w, WNOHANG, 0);
-
-	      /* This mess is here to check that the rest of
-	       * gdb knows that the inferior died. It also
-	       * tries to hack around the fact that Mach 3.0 (mk69)
-	       * unix server (ux28) does not always know what
-	       * has happened to it's children when mach-magic
-	       * is applied on them.
-	       */
-	      if ((!WIFEXITED (w) && WIFSTOPPED (w)) ||
-		  (WIFEXITED (w) && WEXITSTATUS (w) > 0377))
-		{
-		  WSETEXIT (w, 0);
-		  warning ("Using exit value 0 for terminated task");
-		}
-	      else if (!WIFEXITED (w))
-		{
-		  int sig = WTERMSIG (w);
-
-		  /* Signals cause problems. Warn the user. */
-		  if (sig != SIGKILL)	/* Bad luck if garbage matches this */
-		    warning ("The terminating signal stuff may be nonsense");
-		  else if (sig > NSIG)
-		    {
-		      WSETEXIT (w, 0);
-		      warning ("Using exit value 0 for terminated task");
-		    }
-		}
-	      store_waitstatus (ourstatus, w);
-	      return inferior_ptid;
-	    }
-	}
-
-      /* Hmm. Check for exception, as it was not a notification.
-         exc_server() does an upcall to catch_exception_raise()
-         if this rpc is an exception. Further actions are decided
-         there.
-       */
-      if (!exc_server (&in_msg.header, &out_msg.header))
-	{
-
-	  /* Not an exception, check for message.
-
-	   * Messages don't come from the inferior, or if they
-	   * do they better be asynchronous or it will hang.
-	   */
-	  if (gdb_message_server (&in_msg.header))
-	    continue;
-
-	  error ("Unrecognized message received in mach_really_wait");
-	}
-
-      /* Send the reply of the exception rpc to the suspended task */
-      ret = mach_msg_send (&out_msg.header);
-      CHK ("mach_msg_send (exc reply)", ret);
-
-      if (stopped_in_exception)
-	{
-	  /* Get unix state. May be changed in mach3_exception_actions() */
-	  wait3 (&w, WNOHANG, 0);
-
-	  mach3_exception_actions (&w, FALSE, "Task");
-
-	  store_waitstatus (ourstatus, w);
-	  return inferior_ptid;
-	}
-    }
-}
-
-/* Called by macro DO_QUIT() in utils.c(quit).
- * This is called just before calling error() to return to command level
- */
-void
-mach3_quit (void)
-{
-  int mid;
-  kern_return_t ret;
-
-  if (mach_really_waiting)
-    {
-      ret = task_suspend (inferior_task);
-
-      if (ret != KERN_SUCCESS)
-	{
-	  warning ("Could not suspend task for interrupt: %s",
-		   mach_error_string (ret));
-	  mach_really_waiting = 0;
-	  return;
-	}
-    }
-
-  must_suspend_thread = 0;
-  mach_really_waiting = 0;
-
-  mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
-  if (mid == -1)
-    {
-      warning ("Selecting first existing kernel thread");
-      mid = 0;
-    }
-
-  current_thread = MACH_PORT_NULL;	/* Force setup */
-  select_thread (inferior_task, mid, 1);
-
-  return;
-}
-
-#if 0
-/* bogus bogus bogus.  It is NOT OK to quit out of target_wait.  */
-
-/* If ^C is typed when we are waiting for a message
- * and your Unix server is able to notice that we 
- * should quit now.
- *
- * Called by REQUEST_QUIT() from utils.c(request_quit)
- */
-void
-mach3_request_quit (void)
-{
-  if (mach_really_waiting)
-    immediate_quit = 1;
-}
-#endif
-
-/*
- * Gdb message server.
- * Currently implemented is the STOP message, that causes
- * gdb to return to the command level like ^C had been typed from terminal.
- */
-int
-gdb_message_server (mach_msg_header_t *InP)
-{
-  kern_return_t ret;
-  int mid;
-
-  if (InP->msgh_local_port == our_message_port)
-    {
-      /* A message coming to our_message_port. Check validity */
-      switch (InP->msgh_id)
-	{
-
-	case GDB_MESSAGE_ID_STOP:
-	  ret = task_suspend (inferior_task);
-	  if (ret != KERN_SUCCESS)
-	    warning ("Could not suspend task for stop message: %s",
-		     mach_error_string (ret));
-
-	  /* QUIT in mach_really_wait() loop. */
-	  request_quit (0);
-	  break;
-
-	default:
-	  warning ("Invalid message id %d received, ignored.",
-		   InP->msgh_id);
-	  break;
-	}
-
-      return 1;
-    }
-
-  /* Message not handled by this server */
-  return 0;
-}
-
-/* NOTE: This is not an RPC call. It is a simpleroutine.
-
- * This is not called from this gdb code.
- *
- * It may be called by another debugger to cause this
- * debugger to enter command level:
- *
- *            (gdb) set stop_inferior_gdb ()
- *            (gdb) continue
- *
- * External program "stop-gdb" implements this also.
- */
-void
-stop_inferior_gdb (void)
-{
-  kern_return_t ret;
-
-  /* Code generated by mig, with minor cleanups :-)
-
-   * simpleroutine stop_inferior_gdb (our_message_port : mach_port_t);
-   */
-
-  typedef struct
-    {
-      mach_msg_header_t Head;
-    }
-  Request;
-
-  Request Mess;
-
-  register Request *InP = &Mess;
-
-  InP->Head.msgh_bits = MACH_MSGH_BITS (MACH_MSG_TYPE_COPY_SEND, 0);
-
-  /* msgh_size passed as argument */
-  InP->Head.msgh_remote_port = our_message_port;
-  InP->Head.msgh_local_port = MACH_PORT_NULL;
-  InP->Head.msgh_seqno = 0;
-  InP->Head.msgh_id = GDB_MESSAGE_ID_STOP;
-
-  ret = mach_msg (&InP->Head,
-		  MACH_SEND_MSG | MACH_MSG_OPTION_NONE,
-		  sizeof (Request),
-		  0,
-		  MACH_PORT_NULL,
-		  MACH_MSG_TIMEOUT_NONE,
-		  MACH_PORT_NULL);
-}
-
-#ifdef THREAD_ALLOWED_TO_BREAK
-/*
- * Return 1 if the MID specifies the thread that caused the
- * last exception.
- *  Since catch_exception_raise() selects the thread causing
- * the last exception to current_thread, we just check that
- * it is selected and the last exception was a breakpoint.
- */
-int
-mach_thread_for_breakpoint (int mid)
-{
-  int cmid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
-
-  if (mid < 0)
-    {
-      mid = map_slot_to_mid (-(mid + 1), 0, 0);
-      if (mid < 0)
-	return 0;		/* Don't stop, no such slot */
-    }
-
-  if (!mid || cmid == -1)
-    return 1;			/* stop */
-
-  return cmid == mid && stop_exception == EXC_BREAKPOINT;
-}
-#endif /* THREAD_ALLOWED_TO_BREAK */
-
-#ifdef THREAD_PARSE_ID
-/*
- * Map a thread id string (MID or a @SLOTNUMBER)
- * to a thread-id.
- *
- *   0  matches all threads.
- *   Otherwise the meaning is defined only in this file.
- *   (mach_thread_for_breakpoint uses it)
- *
- * @@ This allows non-existent MIDs to be specified.
- *    It now also allows non-existent slots to be
- *    specified. (Slot numbers stored are negative,
- *    and the magnitude is one greater than the actual
- *    slot index. (Since 0 is reserved))
- */
-int
-mach_thread_parse_id (char *arg)
-{
-  int mid;
-  if (arg == 0)
-    error ("thread id expected");
-  mid = parse_thread_id (arg, 0, 1);
-
-  return mid;
-}
-#endif /* THREAD_PARSE_ID */
-
-#ifdef THREAD_OUTPUT_ID
-char *
-mach_thread_output_id (int mid)
-{
-  static char foobar[20];
-
-  if (mid > 0)
-    sprintf (foobar, "mid %d", mid);
-  else if (mid < 0)
-    sprintf (foobar, "@%d", -(mid + 1));
-  else
-    sprintf (foobar, "*any thread*");
-
-  return foobar;
-}
-#endif /* THREAD_OUTPUT_ID */
-
-/* Called with hook PREPARE_TO_PROCEED() from infrun.c.
-
- * If we have switched threads and stopped at breakpoint return 1 otherwise 0.
- *
- *  if SELECT_IT is nonzero, reselect the thread that was active when
- *  we stopped at a breakpoint.
- *
- * Note that this implementation is potentially redundant now that
- * default_prepare_to_proceed() has been added.  
- *
- * FIXME This may not support switching threads after Ctrl-C
- * correctly. The default implementation does support this.
- */
-
-mach3_prepare_to_proceed (int select_it)
-{
-  if (stop_thread &&
-      stop_thread != current_thread &&
-      stop_exception == EXC_BREAKPOINT)
-    {
-      int mid;
-
-      if (!select_it)
-	return 1;
-
-      mid = switch_to_thread (stop_thread);
-
-      return 1;
-    }
-
-  return 0;
-}
-
-/* this stuff here is an upcall via libmach/excServer.c 
-   and mach_really_wait which does the actual upcall.
-
-   The code will pass the exception to the inferior if:
-
-   - The task that signaled is not the inferior task
-   (e.g. when debugging another debugger)
-
-   - The user has explicitely requested to pass on the exceptions.
-   (e.g to the default unix exception handler, which maps
-   exceptions to signals, or the user has her own exception handler)
-
-   - If the thread that signaled is being single-stepped and it
-   has set it's own exception port and the exception is not
-   EXC_BREAKPOINT. (Maybe this is not desirable?)
- */
-
-kern_return_t
-catch_exception_raise (mach_port_t port, thread_t thread, task_t task,
-		       int exception, int code, int subcode)
-{
-  kern_return_t ret;
-  boolean_t signal_thread;
-  int mid = map_port_name_to_mid (thread, MACH_TYPE_THREAD);
-
-  if (!MACH_PORT_VALID (thread))
-    {
-      /* If the exception was sent and thread dies before we
-         receive it, THREAD will be MACH_PORT_DEAD
-       */
-
-      current_thread = thread = MACH_PORT_NULL;
-      error ("Received exception from nonexistent thread");
-    }
-
-  /* Check if the task died in transit.
-   * @@ Isn't the thread also invalid in such case?
-   */
-  if (!MACH_PORT_VALID (task))
-    {
-      current_thread = thread = MACH_PORT_NULL;
-      error ("Received exception from nonexistent task");
-    }
-
-  if (exception < 0 || exception > MAX_EXCEPTION)
-    internal_error (__FILE__, __LINE__,
-		    "catch_exception_raise: unknown exception code %d thread %d",
-		    exception,
-		    mid);
-
-  if (!MACH_PORT_VALID (inferior_task))
-    error ("got an exception, but inferior_task is null or dead");
-
-  stop_exception = exception;
-  stop_code = code;
-  stop_subcode = subcode;
-  stop_thread = thread;
-
-  signal_thread = exception != EXC_BREAKPOINT &&
-    port == singlestepped_thread_port &&
-    MACH_PORT_VALID (thread_saved_exception_port);
-
-  /* If it was not our inferior or if we want to forward
-   * the exception to the inferior's handler, do it here
-   *
-   * Note: If you have forwarded EXC_BREAKPOINT I trust you know why.
-   */
-  if (task != inferior_task ||
-      signal_thread ||
-      exception_map[exception].forward)
-    {
-      mach_port_t eport = inferior_old_exception_port;
-
-      if (signal_thread)
-	{
-	  /*
-	     GDB now forwards the exeption to thread's original handler,
-	     since the user propably knows what he is doing.
-	     Give a message, though.
-	   */
-
-	  mach3_exception_actions ((WAITTYPE *) NULL, TRUE, "Thread");
-	  eport = thread_saved_exception_port;
-	}
-
-      /* Send the exception to the original handler */
-      ret = exception_raise (eport,
-			     thread,
-			     task,
-			     exception,
-			     code,
-			     subcode);
-
-      (void) mach_port_deallocate (mach_task_self (), task);
-      (void) mach_port_deallocate (mach_task_self (), thread);
-
-      /* If we come here, we don't want to trace any more, since we
-       * will never stop for tracing anyway.
-       */
-      discard_single_step (thread);
-
-      /* Do not stop the inferior */
-      return ret;
-    }
-
-  /* Now gdb handles the exception */
-  stopped_in_exception = TRUE;
-
-  ret = task_suspend (task);
-  CHK ("Error suspending inferior after exception", ret);
-
-  must_suspend_thread = 0;
-
-  if (current_thread != thread)
-    {
-      if (MACH_PORT_VALID (singlestepped_thread_port))
-	/* Cleanup discards single stepping */
-	error ("Exception from thread %d while singlestepping thread %d",
-	       mid,
-	       map_port_name_to_mid (current_thread, MACH_TYPE_THREAD));
-
-      /* Then select the thread that caused the exception */
-      if (select_thread (inferior_task, mid, 0) != KERN_SUCCESS)
-	error ("Could not select thread %d causing exception", mid);
-      else
-	warning ("Gdb selected thread %d", mid);
-    }
-
-  /* If we receive an exception that is not breakpoint
-   * exception, we interrupt the single step and return to
-   * debugger. Trace condition is cleared.
-   */
-  if (MACH_PORT_VALID (singlestepped_thread_port))
-    {
-      if (stop_exception != EXC_BREAKPOINT)
-	warning ("Single step interrupted by exception");
-      else if (port == singlestepped_thread_port)
-	{
-	  /* Single step exception occurred, remove trace bit
-	   * and return to gdb.
-	   */
-	  if (!MACH_PORT_VALID (current_thread))
-	    error ("Single stepped thread is not valid");
-
-	  /* Resume threads, but leave the task suspended */
-	  resume_all_threads (0);
-	}
-      else
-	warning ("Breakpoint while single stepping?");
-
-      discard_single_step (current_thread);
-    }
-
-  (void) mach_port_deallocate (mach_task_self (), task);
-  (void) mach_port_deallocate (mach_task_self (), thread);
-
-  return KERN_SUCCESS;
-}
-
-int
-port_valid (mach_port_t port, int mask)
-{
-  kern_return_t ret;
-  mach_port_type_t type;
-
-  ret = mach_port_type (mach_task_self (),
-			port,
-			&type);
-  if (ret != KERN_SUCCESS || (type & mask) != mask)
-    return 0;
-  return 1;
-}
-
-/* @@ No vm read cache implemented yet */
-boolean_t vm_read_cache_valid = FALSE;
-
-/*
- * Read inferior task's LEN bytes from ADDR and copy it to MYADDR
- * in gdb's address space.
- *
- * Return 0 on failure; number of bytes read otherwise.
- */
-int
-mach3_read_inferior (CORE_ADDR addr, char *myaddr, int length)
-{
-  kern_return_t ret;
-  vm_address_t low_address = (vm_address_t) trunc_page (addr);
-  vm_size_t aligned_length =
-  (vm_size_t) round_page (addr + length) - low_address;
-  pointer_t copied_memory;
-  int copy_count;
-
-  /* Get memory from inferior with page aligned addresses */
-  ret = vm_read (inferior_task,
-		 low_address,
-		 aligned_length,
-		 &copied_memory,
-		 &copy_count);
-  if (ret != KERN_SUCCESS)
-    {
-      /* the problem is that the inferior might be killed for whatever reason
-       * before we go to mach_really_wait. This is one place that ought to
-       * catch many of those errors.
-       * @@ A better fix would be to make all external events to GDB
-       * to arrive via a SINGLE port set. (Including user input!)
-       */
-
-      if (!port_valid (inferior_task, MACH_PORT_TYPE_SEND))
-	{
-	  m3_kill_inferior ();
-	  error ("Inferior killed (task port invalid)");
-	}
-      else
-	{
-#ifdef OSF
-	  extern int errno;
-	  /* valprint.c gives nicer format if this does not
-	     screw it. Eamonn seems to like this, so I enable
-	     it if OSF is defined...
-	   */
-	  warning ("[read inferior %x failed: %s]",
-		   addr, mach_error_string (ret));
-	  errno = 0;
-#endif
-	  return 0;
-	}
-    }
-
-  memcpy (myaddr, (char *) addr - low_address + copied_memory, length);
-
-  ret = vm_deallocate (mach_task_self (),
-		       copied_memory,
-		       copy_count);
-  CHK ("mach3_read_inferior vm_deallocate failed", ret);
-
-  return length;
-}
-
-#define CHK_GOTO_OUT(str,ret) \
-  do if (ret != KERN_SUCCESS) { errstr = #str; goto out; } while(0)
-
-struct vm_region_list
-{
-  struct vm_region_list *next;
-  vm_prot_t protection;
-  vm_address_t start;
-  vm_size_t length;
-};
-
-struct obstack region_obstack;
-
-/*
- * Write inferior task's LEN bytes from ADDR and copy it to MYADDR
- * in gdb's address space.
- */
-int
-mach3_write_inferior (CORE_ADDR addr, char *myaddr, int length)
-{
-  kern_return_t ret;
-  vm_address_t low_address = (vm_address_t) trunc_page (addr);
-  vm_size_t aligned_length =
-  (vm_size_t) round_page (addr + length) - low_address;
-  pointer_t copied_memory;
-  int copy_count;
-  int deallocate = 0;
-
-  char *errstr = "Bug in mach3_write_inferior";
-
-  struct vm_region_list *region_element;
-  struct vm_region_list *region_head = (struct vm_region_list *) NULL;
-
-  /* Get memory from inferior with page aligned addresses */
-  ret = vm_read (inferior_task,
-		 low_address,
-		 aligned_length,
-		 &copied_memory,
-		 &copy_count);
-  CHK_GOTO_OUT ("mach3_write_inferior vm_read failed", ret);
-
-  deallocate++;
-
-  memcpy ((char *) addr - low_address + copied_memory, myaddr, length);
-
-  obstack_init (&region_obstack);
-
-  /* Do writes atomically.
-   * First check for holes and unwritable memory.
-   */
-  {
-    vm_size_t remaining_length = aligned_length;
-    vm_address_t region_address = low_address;
-
-    struct vm_region_list *scan;
-
-    while (region_address < low_address + aligned_length)
-      {
-	vm_prot_t protection;
-	vm_prot_t max_protection;
-	vm_inherit_t inheritance;
-	boolean_t shared;
-	mach_port_t object_name;
-	vm_offset_t offset;
-	vm_size_t region_length = remaining_length;
-	vm_address_t old_address = region_address;
-
-	ret = vm_region (inferior_task,
-			 &region_address,
-			 &region_length,
-			 &protection,
-			 &max_protection,
-			 &inheritance,
-			 &shared,
-			 &object_name,
-			 &offset);
-	CHK_GOTO_OUT ("vm_region failed", ret);
-
-	/* Check for holes in memory */
-	if (old_address != region_address)
-	  {
-	    warning ("No memory at 0x%x. Nothing written",
-		     old_address);
-	    ret = KERN_SUCCESS;
-	    length = 0;
-	    goto out;
-	  }
-
-	if (!(max_protection & VM_PROT_WRITE))
-	  {
-	    warning ("Memory at address 0x%x is unwritable. Nothing written",
-		     old_address);
-	    ret = KERN_SUCCESS;
-	    length = 0;
-	    goto out;
-	  }
-
-	/* Chain the regions for later use */
-	region_element =
-	  (struct vm_region_list *)
-	  obstack_alloc (&region_obstack, sizeof (struct vm_region_list));
-
-	region_element->protection = protection;
-	region_element->start = region_address;
-	region_element->length = region_length;
-
-	/* Chain the regions along with protections */
-	region_element->next = region_head;
-	region_head = region_element;
-
-	region_address += region_length;
-	remaining_length = remaining_length - region_length;
-      }
-
-    /* If things fail after this, we give up.
-     * Somebody is messing up inferior_task's mappings.
-     */
-
-    /* Enable writes to the chained vm regions */
-    for (scan = region_head; scan; scan = scan->next)
-      {
-	boolean_t protection_changed = FALSE;
-
-	if (!(scan->protection & VM_PROT_WRITE))
-	  {
-	    ret = vm_protect (inferior_task,
-			      scan->start,
-			      scan->length,
-			      FALSE,
-			      scan->protection | VM_PROT_WRITE);
-	    CHK_GOTO_OUT ("vm_protect: enable write failed", ret);
-	  }
-      }
-
-    ret = vm_write (inferior_task,
-		    low_address,
-		    copied_memory,
-		    aligned_length);
-    CHK_GOTO_OUT ("vm_write failed", ret);
-
-    /* Set up the original region protections, if they were changed */
-    for (scan = region_head; scan; scan = scan->next)
-      {
-	boolean_t protection_changed = FALSE;
-
-	if (!(scan->protection & VM_PROT_WRITE))
-	  {
-	    ret = vm_protect (inferior_task,
-			      scan->start,
-			      scan->length,
-			      FALSE,
-			      scan->protection);
-	    CHK_GOTO_OUT ("vm_protect: enable write failed", ret);
-	  }
-      }
-  }
-
-out:
-  if (deallocate)
-    {
-      obstack_free (&region_obstack, 0);
-
-      (void) vm_deallocate (mach_task_self (),
-			    copied_memory,
-			    copy_count);
-    }
-
-  if (ret != KERN_SUCCESS)
-    {
-      warning ("%s %s", errstr, mach_error_string (ret));
-      return 0;
-    }
-
-  return length;
-}
-
-/* Return 0 on failure, number of bytes handled otherwise.  TARGET is
-   ignored. */
-static int
-m3_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
-		struct target_ops *target)
-{
-  int result;
-
-  if (write)
-    result = mach3_write_inferior (memaddr, myaddr, len);
-  else
-    result = mach3_read_inferior (memaddr, myaddr, len);
-
-  return result;
-}
-
-
-static char *
-translate_state (int state)
-{
-  switch (state)
-    {
-    case TH_STATE_RUNNING:
-      return ("R");
-    case TH_STATE_STOPPED:
-      return ("S");
-    case TH_STATE_WAITING:
-      return ("W");
-    case TH_STATE_UNINTERRUPTIBLE:
-      return ("U");
-    case TH_STATE_HALTED:
-      return ("H");
-    default:
-      return ("?");
-    }
-}
-
-static char *
-translate_cstate (int state)
-{
-  switch (state)
-    {
-    case CPROC_RUNNING:
-      return "R";
-    case CPROC_SWITCHING:
-      return "S";
-    case CPROC_BLOCKED:
-      return "B";
-    case CPROC_CONDWAIT:
-      return "C";
-    case CPROC_CONDWAIT | CPROC_SWITCHING:
-      return "CS";
-    default:
-      return "?";
-    }
-}
-
-/* type == MACH_MSG_TYPE_COPY_SEND || type == MACH_MSG_TYPE_MAKE_SEND */
-
-mach_port_t			/* no mach_port_name_t found in include files. */
-map_inferior_port_name (mach_port_t inferior_name, mach_msg_type_name_t type)
-{
-  kern_return_t ret;
-  mach_msg_type_name_t acquired;
-  mach_port_t iport;
-
-  ret = mach_port_extract_right (inferior_task,
-				 inferior_name,
-				 type,
-				 &iport,
-				 &acquired);
-  CHK ("mach_port_extract_right (map_inferior_port_name)", ret);
-
-  if (acquired != MACH_MSG_TYPE_PORT_SEND)
-    error ("Incorrect right extracted, (map_inferior_port_name)");
-
-  ret = mach_port_deallocate (mach_task_self (),
-			      iport);
-  CHK ("Deallocating mapped port (map_inferior_port_name)", ret);
-
-  return iport;
-}
-
-/*
- * Naming convention:
- *  Always return user defined name if found.
- *  _K == A kernel thread with no matching CPROC
- *  _C == A cproc with no current cthread
- *  _t == A cthread with no user defined name
- *
- * The digits that follow the _names are the SLOT number of the
- * kernel thread if there is such a thing, otherwise just a negation
- * of the sequential number of such cprocs.
- */
-
-static char buf[7];
-
-static char *
-get_thread_name (gdb_thread_t one_cproc, int id)
-{
-  if (one_cproc)
-    if (one_cproc->cthread == NULL)
-      {
-	/* cproc not mapped to any cthread */
-	sprintf (buf, "_C%d", id);
-      }
-    else if (!one_cproc->cthread->name)
-      {
-	/* cproc and cthread, but no name */
-	sprintf (buf, "_t%d", id);
-      }
-    else
-      return (char *) (one_cproc->cthread->name);
-  else
-    {
-      if (id < 0)
-	warning ("Inconsistency in thread name id %d", id);
-
-      /* Kernel thread without cproc */
-      sprintf (buf, "_K%d", id);
-    }
-
-  return buf;
-}
-
-int
-fetch_thread_info (mach_port_t task, gdb_thread_t *mthreads_out)
-{
-  kern_return_t ret;
-  thread_array_t th_table;
-  int th_count;
-  gdb_thread_t mthreads = NULL;
-  int index;
-
-  ret = task_threads (task, &th_table, &th_count);
-  if (ret != KERN_SUCCESS)
-    {
-      warning ("Error getting inferior's thread list:%s",
-	       mach_error_string (ret));
-      m3_kill_inferior ();
-      return -1;
-    }
-
-  mthreads = (gdb_thread_t)
-    obstack_alloc
-    (cproc_obstack,
-     th_count * sizeof (struct gdb_thread));
-
-  for (index = 0; index < th_count; index++)
-    {
-      thread_t saved_thread = MACH_PORT_NULL;
-      int mid;
-
-      if (must_suspend_thread)
-	setup_thread (th_table[index], 1);
-
-      if (th_table[index] != current_thread)
-	{
-	  saved_thread = current_thread;
-
-	  mid = switch_to_thread (th_table[index]);
-	}
-
-      mthreads[index].name = th_table[index];
-      mthreads[index].cproc = NULL;	/* map_cprocs_to_kernel_threads() */
-      mthreads[index].in_emulator = FALSE;
-      mthreads[index].slotid = index;
-
-      mthreads[index].sp = read_register (SP_REGNUM);
-      mthreads[index].fp = read_register (FP_REGNUM);
-      mthreads[index].pc = read_pc ();
-
-      if (MACH_PORT_VALID (saved_thread))
-	mid = switch_to_thread (saved_thread);
-
-      if (must_suspend_thread)
-	setup_thread (th_table[index], 0);
-    }
-
-  consume_send_rights (th_table, th_count);
-  ret = vm_deallocate (mach_task_self (), (vm_address_t) th_table,
-		       (th_count * sizeof (mach_port_t)));
-  if (ret != KERN_SUCCESS)
-    {
-      warning ("Error trying to deallocate thread list : %s",
-	       mach_error_string (ret));
-    }
-
-  *mthreads_out = mthreads;
-
-  return th_count;
-}
-
-
-/*
- * Current emulator always saves the USP on top of
- * emulator stack below struct emul_stack_top stuff.
- */
-CORE_ADDR
-fetch_usp_from_emulator_stack (CORE_ADDR sp)
-{
-  CORE_ADDR stack_pointer;
-
-  sp = (sp & ~(EMULATOR_STACK_SIZE - 1)) +
-    EMULATOR_STACK_SIZE - sizeof (struct emul_stack_top);
-
-  if (mach3_read_inferior (sp,
-			   &stack_pointer,
-			   sizeof (CORE_ADDR)) != sizeof (CORE_ADDR))
-    {
-      warning ("Can't read user sp from emulator stack address 0x%x", sp);
-      return 0;
-    }
-
-  return stack_pointer;
-}
-
-#ifdef MK67
-
-/* get_emulation_vector() interface was changed after mk67 */
-#define EMUL_VECTOR_COUNT 400	/* Value does not matter too much */
-
-#endif /* MK67 */
-
-/* Check if the emulator exists at task's address space.
- */
-boolean_t
-have_emulator_p (task_t task)
-{
-  kern_return_t ret;
-#ifndef EMUL_VECTOR_COUNT
-  vm_offset_t *emulation_vector;
-  int n;
-#else
-  vm_offset_t emulation_vector[EMUL_VECTOR_COUNT];
-  int n = EMUL_VECTOR_COUNT;
-#endif
-  int i;
-  int vector_start;
-
-  ret = task_get_emulation_vector (task,
-				   &vector_start,
-#ifndef EMUL_VECTOR_COUNT
-				   &emulation_vector,
-#else
-				   emulation_vector,
-#endif
-				   &n);
-  CHK ("task_get_emulation_vector", ret);
-  xx_debug ("%d vectors from %d at 0x%08x\n",
-	    n, vector_start, emulation_vector);
-
-  for (i = 0; i < n; i++)
-    {
-      vm_offset_t entry = emulation_vector[i];
-
-      if (EMULATOR_BASE <= entry && entry <= EMULATOR_END)
-	return TRUE;
-      else if (entry)
-	{
-	  static boolean_t informed = FALSE;
-	  if (!informed)
-	    {
-	      warning ("Emulation vector address 0x08%x outside emulator space",
-		       entry);
-	      informed = TRUE;
-	    }
-	}
-    }
-  return FALSE;
-}
-
-/* Map cprocs to kernel threads and vice versa.  */
-
-void
-map_cprocs_to_kernel_threads (gdb_thread_t cprocs, gdb_thread_t mthreads,
-			      int thread_count)
-{
-  int index;
-  gdb_thread_t scan;
-  boolean_t all_mapped = TRUE;
-  LONGEST stack_base;
-  LONGEST stack_size;
-
-  for (scan = cprocs; scan; scan = scan->next)
-    {
-      /* Default to: no kernel thread for this cproc */
-      scan->reverse_map = -1;
-
-      /* Check if the cproc is found by its stack */
-      for (index = 0; index < thread_count; index++)
-	{
-	  stack_base =
-	    extract_signed_integer (scan->raw_cproc + CPROC_BASE_OFFSET,
-				    CPROC_BASE_SIZE);
-	  stack_size =
-	    extract_signed_integer (scan->raw_cproc + CPROC_SIZE_OFFSET,
-				    CPROC_SIZE_SIZE);
-	  if ((mthreads + index)->sp > stack_base &&
-	      (mthreads + index)->sp <= stack_base + stack_size)
-	    {
-	      (mthreads + index)->cproc = scan;
-	      scan->reverse_map = index;
-	      break;
-	    }
-	}
-      all_mapped &= (scan->reverse_map != -1);
-    }
-
-  /* Check for threads that are currently in the emulator.
-   * If so, they have a different stack, and the still unmapped
-   * cprocs may well get mapped to these threads.
-   * 
-   * If:
-   *  - cproc stack does not match any kernel thread stack pointer
-   *  - there is at least one extra kernel thread
-   *    that has no cproc mapped above.
-   *  - some kernel thread stack pointer points to emulator space
-   *  then we find the user stack pointer saved in the emulator
-   *  stack, and try to map that to the cprocs.
-   *
-   * Also set in_emulator for kernel threads.
-   */
-
-  if (emulator_present)
-    {
-      for (index = 0; index < thread_count; index++)
-	{
-	  CORE_ADDR emul_sp;
-	  CORE_ADDR usp;
-
-	  gdb_thread_t mthread = (mthreads + index);
-	  emul_sp = mthread->sp;
-
-	  if (mthread->cproc == NULL &&
-	      EMULATOR_BASE <= emul_sp && emul_sp <= EMULATOR_END)
-	    {
-	      mthread->in_emulator = emulator_present;
-
-	      if (!all_mapped && cprocs)
-		{
-		  usp = fetch_usp_from_emulator_stack (emul_sp);
-
-		  /* @@ Could be more accurate */
-		  if (!usp)
-		    error ("Zero stack pointer read from emulator?");
-
-		  /* Try to match this stack pointer to the cprocs that
-		   * don't yet have a kernel thread.
-		   */
-		  for (scan = cprocs; scan; scan = scan->next)
-		    {
-
-		      /* Check is this unmapped CPROC stack contains
-		       * the user stack pointer saved in the
-		       * emulator.
-		       */
-		      if (scan->reverse_map == -1)
-			{
-			  stack_base =
-			    extract_signed_integer
-			    (scan->raw_cproc + CPROC_BASE_OFFSET,
-			     CPROC_BASE_SIZE);
-			  stack_size =
-			    extract_signed_integer
-			    (scan->raw_cproc + CPROC_SIZE_OFFSET,
-			     CPROC_SIZE_SIZE);
-			  if (usp > stack_base &&
-			      usp <= stack_base + stack_size)
-			    {
-			      mthread->cproc = scan;
-			      scan->reverse_map = index;
-			      break;
-			    }
-			}
-		    }
-		}
-	    }
-	}
-    }
-}
-
-/*
- * Format of the thread_list command
- *
- *                   slot mid sel   name  emul ks susp  cstate wired   address
- */
-#define TL_FORMAT "%-2.2s %5d%c %-10.10s %1.1s%s%-5.5s %-2.2s %-5.5s "
-
-#define TL_HEADER "\n@    MID  Name        KState CState   Where\n"
-
-void
-print_tl_address (struct ui_file *stream, CORE_ADDR pc)
-{
-  if (!lookup_minimal_symbol_by_pc (pc))
-    fprintf_filtered (stream, local_hex_format (), pc);
-  else
-    {
-      extern int addressprint;
-      extern int asm_demangle;
-
-      int store = addressprint;
-      addressprint = 0;
-      print_address_symbolic (pc, stream, asm_demangle, "");
-      addressprint = store;
-    }
-}
-
-/* For thread names, but also for gdb_message_port external name */
-#define MAX_NAME_LEN 50
-
-/* Returns the address of variable NAME or 0 if not found */
-CORE_ADDR
-lookup_address_of_variable (char *name)
-{
-  struct symbol *sym;
-  CORE_ADDR symaddr = 0;
-  struct minimal_symbol *msymbol;
-
-  sym = lookup_symbol (name,
-		       (struct block *) NULL,
-		       VAR_NAMESPACE,
-		       (int *) NULL,
-		       (struct symtab **) NULL);
-
-  if (sym)
-    symaddr = SYMBOL_VALUE (sym);
-
-  if (!symaddr)
-    {
-      msymbol = lookup_minimal_symbol (name, NULL, NULL);
-
-      if (msymbol && msymbol->type == mst_data)
-	symaddr = SYMBOL_VALUE_ADDRESS (msymbol);
-    }
-
-  return symaddr;
-}
-
-static gdb_thread_t
-get_cprocs (void)
-{
-  gdb_thread_t cproc_head;
-  gdb_thread_t cproc_copy;
-  CORE_ADDR their_cprocs;
-  char *buf;
-  char *name;
-  cthread_t cthread;
-  CORE_ADDR symaddr;
-
-  buf = alloca (TARGET_PTR_BIT / HOST_CHAR_BIT);
-  symaddr = lookup_address_of_variable ("cproc_list");
-
-  if (!symaddr)
-    {
-      /* cproc_list is not in a file compiled with debugging
-         symbols, but don't give up yet */
-
-      symaddr = lookup_address_of_variable ("cprocs");
-
-      if (symaddr)
-	{
-	  static int informed = 0;
-	  if (!informed)
-	    {
-	      informed++;
-	      warning ("Your program is loaded with an old threads library.");
-	      warning ("GDB does not know the old form of threads");
-	      warning ("so things may not work.");
-	    }
-	}
-    }
-
-  /* Stripped or no -lthreads loaded or "cproc_list" is in wrong segment. */
-  if (!symaddr)
-    return NULL;
-
-  /* Get the address of the first cproc in the task */
-  if (!mach3_read_inferior (symaddr,
-			    buf,
-			    TARGET_PTR_BIT / HOST_CHAR_BIT))
-    error ("Can't read cproc master list at address (0x%x).", symaddr);
-  their_cprocs = extract_address (buf, TARGET_PTR_BIT / HOST_CHAR_BIT);
-
-  /* Scan the CPROCs in the task.
-     CPROCs are chained with LIST field, not NEXT field, which
-     chains mutexes, condition variables and queues */
-
-  cproc_head = NULL;
-
-  while (their_cprocs != (CORE_ADDR) 0)
-    {
-      CORE_ADDR cproc_copy_incarnation;
-      cproc_copy = (gdb_thread_t) obstack_alloc (cproc_obstack,
-						 sizeof (struct gdb_thread));
-
-      if (!mach3_read_inferior (their_cprocs,
-				&cproc_copy->raw_cproc[0],
-				CPROC_SIZE))
-	error ("Can't read next cproc at 0x%x.", their_cprocs);
-
-      their_cprocs =
-	extract_address (cproc_copy->raw_cproc + CPROC_LIST_OFFSET,
-			 CPROC_LIST_SIZE);
-      cproc_copy_incarnation =
-	extract_address (cproc_copy->raw_cproc + CPROC_INCARNATION_OFFSET,
-			 CPROC_INCARNATION_SIZE);
-
-      if (cproc_copy_incarnation == (CORE_ADDR) 0)
-	cproc_copy->cthread = NULL;
-      else
-	{
-	  /* This CPROC has an attached CTHREAD. Get its name */
-	  cthread = (cthread_t) obstack_alloc (cproc_obstack,
-					       sizeof (struct cthread));
-
-	  if (!mach3_read_inferior (cproc_copy_incarnation,
-				    cthread,
-				    sizeof (struct cthread)))
-	      error ("Can't read next thread at 0x%x.",
-		     cproc_copy_incarnation);
-
-	  cproc_copy->cthread = cthread;
-
-	  if (cthread->name)
-	    {
-	      name = (char *) obstack_alloc (cproc_obstack, MAX_NAME_LEN);
-
-	      if (!mach3_read_inferior (cthread->name, name, MAX_NAME_LEN))
-		error ("Can't read next thread's name at 0x%x.", cthread->name);
-
-	      cthread->name = name;
-	    }
-	}
-
-      /* insert in front */
-      cproc_copy->next = cproc_head;
-      cproc_head = cproc_copy;
-    }
-  return cproc_head;
-}
-
-#ifndef FETCH_CPROC_STATE
-/*
- * Check if your machine does not grok the way this routine
- * fetches the FP,PC and SP of a cproc that is not
- * currently attached to any kernel thread (e.g. its cproc.context
- * field points to the place in stack where the context
- * is saved).
- *
- * If it doesn't, define your own routine.
- */
-#define FETCH_CPROC_STATE(mth) mach3_cproc_state (mth)
-
-int
-mach3_cproc_state (gdb_thread_t mthread)
-{
-  int context;
-
-  if (!mthread || !mthread->cproc)
-    return -1;
-
-  context = extract_signed_integer
-    (mthread->cproc->raw_cproc + CPROC_CONTEXT_OFFSET,
-     CPROC_CONTEXT_SIZE);
-  if (context == 0)
-    return -1;
-
-  mthread->sp = context + MACHINE_CPROC_SP_OFFSET;
-
-  if (mach3_read_inferior (context + MACHINE_CPROC_PC_OFFSET,
-			   &mthread->pc,
-			   sizeof (CORE_ADDR)) != sizeof (CORE_ADDR))
-    {
-      warning ("Can't read cproc pc from inferior");
-      return -1;
-    }
-
-  if (mach3_read_inferior (context + MACHINE_CPROC_FP_OFFSET,
-			   &mthread->fp,
-			   sizeof (CORE_ADDR)) != sizeof (CORE_ADDR))
-    {
-      warning ("Can't read cproc fp from inferior");
-      return -1;
-    }
-
-  return 0;
-}
-#endif /* FETCH_CPROC_STATE */
-
-
-void
-thread_list_command (void)
-{
-  thread_basic_info_data_t ths;
-  int thread_count;
-  gdb_thread_t cprocs;
-  gdb_thread_t scan;
-  int index;
-  char *name;
-  char selected;
-  char *wired;
-  int infoCnt;
-  kern_return_t ret;
-  mach_port_t mid_or_port;
-  gdb_thread_t their_threads;
-  gdb_thread_t kthread;
-
-  int neworder = 1;
-
-  char *fmt = "There are %d kernel threads in task %d.\n";
-
-  int tmid = map_port_name_to_mid (inferior_task, MACH_TYPE_TASK);
-
-  MACH_ERROR_NO_INFERIOR;
-
-  thread_count = fetch_thread_info (inferior_task,
-				    &their_threads);
-  if (thread_count == -1)
-    return;
-
-  if (thread_count == 1)
-    fmt = "There is %d kernel thread in task %d.\n";
-
-  printf_filtered (fmt, thread_count, tmid);
-
-  puts_filtered (TL_HEADER);
-
-  cprocs = get_cprocs ();
-
-  map_cprocs_to_kernel_threads (cprocs, their_threads, thread_count);
-
-  for (scan = cprocs; scan; scan = scan->next)
-    {
-      int mid;
-      char buf[10];
-      char slot[3];
-      int cproc_state =
-      extract_signed_integer
-      (scan->raw_cproc + CPROC_STATE_OFFSET, CPROC_STATE_SIZE);
-
-      selected = ' ';
-
-      /* a wired cproc? */
-      wired = (extract_address (scan->raw_cproc + CPROC_WIRED_OFFSET,
-				CPROC_WIRED_SIZE)
-	       ? "wired" : "");
-
-      if (scan->reverse_map != -1)
-	kthread = (their_threads + scan->reverse_map);
-      else
-	kthread = NULL;
-
-      if (kthread)
-	{
-	  /* These cprocs have a kernel thread */
-
-	  mid = map_port_name_to_mid (kthread->name, MACH_TYPE_THREAD);
-
-	  infoCnt = THREAD_BASIC_INFO_COUNT;
-
-	  ret = thread_info (kthread->name,
-			     THREAD_BASIC_INFO,
-			     (thread_info_t) & ths,
-			     &infoCnt);
-
-	  if (ret != KERN_SUCCESS)
-	    {
-	      warning ("Unable to get basic info on thread %d : %s",
-		       mid,
-		       mach_error_string (ret));
-	      continue;
-	    }
-
-	  /* Who is the first to have more than 100 threads */
-	  sprintf (slot, "%d", kthread->slotid % 100);
-
-	  if (kthread->name == current_thread)
-	    selected = '*';
-
-	  if (ths.suspend_count)
-	    sprintf (buf, "%d", ths.suspend_count);
-	  else
-	    buf[0] = '\000';
-
-#if 0
-	  if (ths.flags & TH_FLAGS_SWAPPED)
-	    strcat (buf, "S");
-#endif
-
-	  if (ths.flags & TH_FLAGS_IDLE)
-	    strcat (buf, "I");
-
-	  printf_filtered (TL_FORMAT,
-			   slot,
-			   mid,
-			   selected,
-			   get_thread_name (scan, kthread->slotid),
-			   kthread->in_emulator ? "E" : "",
-			   translate_state (ths.run_state),
-			   buf,
-			   translate_cstate (cproc_state),
-			   wired);
-	  print_tl_address (gdb_stdout, kthread->pc);
-	}
-      else
-	{
-	  /* These cprocs don't have a kernel thread.
-	   * find out the calling frame with 
-	   * FETCH_CPROC_STATE.
-	   */
-
-	  struct gdb_thread state;
-
-#if 0
-	  /* jtv -> emcmanus: why do you want this here? */
-	  if (scan->incarnation == NULL)
-	    continue;		/* EMcM */
-#endif
-
-	  printf_filtered (TL_FORMAT,
-			   "-",
-			   -neworder,	/* Pseudo MID */
-			   selected,
-			   get_thread_name (scan, -neworder),
-			   "",
-			   "-",	/* kernel state */
-			   "",
-			   translate_cstate (cproc_state),
-			   "");
-	  state.cproc = scan;
-
-	  if (FETCH_CPROC_STATE (&state) == -1)
-	    puts_filtered ("???");
-	  else
-	    print_tl_address (gdb_stdout, state.pc);
-
-	  neworder++;
-	}
-      puts_filtered ("\n");
-    }
-
-  /* Scan for kernel threads without cprocs */
-  for (index = 0; index < thread_count; index++)
-    {
-      if (!their_threads[index].cproc)
-	{
-	  int mid;
-
-	  char buf[10];
-	  char slot[3];
-
-	  mach_port_t name = their_threads[index].name;
-
-	  mid = map_port_name_to_mid (name, MACH_TYPE_THREAD);
-
-	  infoCnt = THREAD_BASIC_INFO_COUNT;
-
-	  ret = thread_info (name,
-			     THREAD_BASIC_INFO,
-			     (thread_info_t) & ths,
-			     &infoCnt);
-
-	  if (ret != KERN_SUCCESS)
-	    {
-	      warning ("Unable to get basic info on thread %d : %s",
-		       mid,
-		       mach_error_string (ret));
-	      continue;
-	    }
-
-	  sprintf (slot, "%d", index % 100);
-
-	  if (name == current_thread)
-	    selected = '*';
-	  else
-	    selected = ' ';
-
-	  if (ths.suspend_count)
-	    sprintf (buf, "%d", ths.suspend_count);
-	  else
-	    buf[0] = '\000';
-
-#if 0
-	  if (ths.flags & TH_FLAGS_SWAPPED)
-	    strcat (buf, "S");
-#endif
-
-	  if (ths.flags & TH_FLAGS_IDLE)
-	    strcat (buf, "I");
-
-	  printf_filtered (TL_FORMAT,
-			   slot,
-			   mid,
-			   selected,
-			   get_thread_name (NULL, index),
-			   their_threads[index].in_emulator ? "E" : "",
-			   translate_state (ths.run_state),
-			   buf,
-			   "",	/* No cproc state */
-			   "");	/* Can't be wired */
-	  print_tl_address (gdb_stdout, their_threads[index].pc);
-	  puts_filtered ("\n");
-	}
-    }
-
-  obstack_free (cproc_obstack, 0);
-  obstack_init (cproc_obstack);
-}
-
-void
-thread_select_command (char *args, int from_tty)
-{
-  int mid;
-  thread_array_t thread_list;
-  int thread_count;
-  kern_return_t ret;
-  int is_slot = 0;
-
-  MACH_ERROR_NO_INFERIOR;
-
-  if (!args)
-    error_no_arg ("MID or @SLOTNUMBER to specify a thread to select");
-
-  while (*args == ' ' || *args == '\t')
-    args++;
-
-  if (*args == '@')
-    {
-      is_slot++;
-      args++;
-    }
-
-  mid = atoi (args);
-
-  if (mid == 0)
-    if (!is_slot || *args != '0')	/* Rudimentary checks */
-      error ("You must select threads by MID or @SLOTNUMBER");
-
-  if (select_thread (inferior_task, mid, is_slot ? 2 : 1) != KERN_SUCCESS)
-    return;
-
-  if (from_tty)
-    printf_filtered ("Thread %d selected\n",
-		     is_slot ? map_port_name_to_mid (current_thread,
-						   MACH_TYPE_THREAD) : mid);
-}
-
-thread_trace (mach_port_t thread, boolean_t set)
-{
-  int flavor = TRACE_FLAVOR;
-  unsigned int stateCnt = TRACE_FLAVOR_SIZE;
-  kern_return_t ret;
-  thread_state_data_t state;
-
-  if (!MACH_PORT_VALID (thread))
-    {
-      warning ("thread_trace: invalid thread");
-      return;
-    }
-
-  if (must_suspend_thread)
-    setup_thread (thread, 1);
-
-  ret = thread_get_state (thread, flavor, state, &stateCnt);
-  CHK ("thread_trace: error reading thread state", ret);
-
-  if (set)
-    {
-      TRACE_SET (thread, state);
-    }
-  else
-    {
-      if (!TRACE_CLEAR (thread, state))
-	{
-	  if (must_suspend_thread)
-	    setup_thread (thread, 0);
-	  return;
-	}
-    }
-
-  ret = thread_set_state (thread, flavor, state, stateCnt);
-  CHK ("thread_trace: error writing thread state", ret);
-  if (must_suspend_thread)
-    setup_thread (thread, 0);
-}
-
-#ifdef	FLUSH_INFERIOR_CACHE
-
-/* When over-writing code on some machines the I-Cache must be flushed
-   explicitly, because it is not kept coherent by the lazy hardware.
-   This definitely includes breakpoints, for instance, or else we
-   end up looping in mysterious Bpt traps */
-
-flush_inferior_icache (CORE_ADDR pc, int amount)
-{
-  vm_machine_attribute_val_t flush = MATTR_VAL_ICACHE_FLUSH;
-  kern_return_t ret;
-
-  ret = vm_machine_attribute (inferior_task,
-			      pc,
-			      amount,
-			      MATTR_CACHE,
-			      &flush);
-  if (ret != KERN_SUCCESS)
-    warning ("Error flushing inferior's cache : %s",
-	     mach_error_string (ret));
-}
-#endif /* FLUSH_INFERIOR_CACHE */
-
-
-static
-suspend_all_threads (int from_tty)
-{
-  kern_return_t ret;
-  thread_array_t thread_list;
-  int thread_count, index;
-  int infoCnt;
-  thread_basic_info_data_t th_info;
-
-
-  ret = task_threads (inferior_task, &thread_list, &thread_count);
-  if (ret != KERN_SUCCESS)
-    {
-      warning ("Could not suspend inferior threads.");
-      m3_kill_inferior ();
-      throw_exception (RETURN_ERROR);
-    }
-
-  for (index = 0; index < thread_count; index++)
-    {
-      int mid;
-
-      mid = map_port_name_to_mid (thread_list[index],
-				  MACH_TYPE_THREAD);
-
-      ret = thread_suspend (thread_list[index]);
-
-      if (ret != KERN_SUCCESS)
-	warning ("Error trying to suspend thread %d : %s",
-		 mid, mach_error_string (ret));
-
-      if (from_tty)
-	{
-	  infoCnt = THREAD_BASIC_INFO_COUNT;
-	  ret = thread_info (thread_list[index],
-			     THREAD_BASIC_INFO,
-			     (thread_info_t) & th_info,
-			     &infoCnt);
-	  CHK ("suspend can't get thread info", ret);
-
-	  warning ("Thread %d suspend count is %d",
-		   mid, th_info.suspend_count);
-	}
-    }
-
-  consume_send_rights (thread_list, thread_count);
-  ret = vm_deallocate (mach_task_self (),
-		       (vm_address_t) thread_list,
-		       (thread_count * sizeof (int)));
-  CHK ("Error trying to deallocate thread list", ret);
-}
-
-void
-thread_suspend_command (char *args, int from_tty)
-{
-  kern_return_t ret;
-  int mid;
-  mach_port_t saved_thread;
-  int infoCnt;
-  thread_basic_info_data_t th_info;
-
-  MACH_ERROR_NO_INFERIOR;
-
-  if (!strcasecmp (args, "all"))
-    {
-      suspend_all_threads (from_tty);
-      return;
-    }
-
-  saved_thread = current_thread;
-
-  mid = parse_thread_id (args, 0, 0);
-
-  if (mid < 0)
-    error ("You can suspend only existing kernel threads with MID or @SLOTNUMBER");
-
-  if (mid == 0)
-    mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
-  else if (select_thread (inferior_task, mid, 0) != KERN_SUCCESS)
-    {
-      if (current_thread)
-	current_thread = saved_thread;
-      error ("Could not select thread %d", mid);
-    }
-
-  ret = thread_suspend (current_thread);
-  if (ret != KERN_SUCCESS)
-    warning ("thread_suspend failed : %s",
-	     mach_error_string (ret));
-
-  infoCnt = THREAD_BASIC_INFO_COUNT;
-  ret = thread_info (current_thread,
-		     THREAD_BASIC_INFO,
-		     (thread_info_t) & th_info,
-		     &infoCnt);
-  CHK ("suspend can't get thread info", ret);
-
-  warning ("Thread %d suspend count is %d", mid, th_info.suspend_count);
-
-  current_thread = saved_thread;
-}
-
-resume_all_threads (int from_tty)
-{
-  kern_return_t ret;
-  thread_array_t thread_list;
-  int thread_count, index;
-  int mid;
-  int infoCnt;
-  thread_basic_info_data_t th_info;
-
-  ret = task_threads (inferior_task, &thread_list, &thread_count);
-  if (ret != KERN_SUCCESS)
-    {
-      m3_kill_inferior ();
-      error ("task_threads", mach_error_string (ret));
-    }
-
-  for (index = 0; index < thread_count; index++)
-    {
-      infoCnt = THREAD_BASIC_INFO_COUNT;
-      ret = thread_info (thread_list[index],
-			 THREAD_BASIC_INFO,
-			 (thread_info_t) & th_info,
-			 &infoCnt);
-      CHK ("resume_all can't get thread info", ret);
-
-      mid = map_port_name_to_mid (thread_list[index],
-				  MACH_TYPE_THREAD);
-
-      if (!th_info.suspend_count)
-	{
-	  if (mid != -1 && from_tty)
-	    warning ("Thread %d is not suspended", mid);
-	  continue;
-	}
-
-      ret = thread_resume (thread_list[index]);
-
-      if (ret != KERN_SUCCESS)
-	warning ("Error trying to resume thread %d : %s",
-		 mid, mach_error_string (ret));
-      else if (mid != -1 && from_tty)
-	warning ("Thread %d suspend count is %d",
-		 mid, --th_info.suspend_count);
-    }
-
-  consume_send_rights (thread_list, thread_count);
-  ret = vm_deallocate (mach_task_self (),
-		       (vm_address_t) thread_list,
-		       (thread_count * sizeof (int)));
-  CHK ("Error trying to deallocate thread list", ret);
-}
-
-void
-thread_resume_command (char *args, int from_tty)
-{
-  int mid;
-  mach_port_t saved_thread;
-  kern_return_t ret;
-  thread_basic_info_data_t th_info;
-  int infoCnt = THREAD_BASIC_INFO_COUNT;
-
-  MACH_ERROR_NO_INFERIOR;
-
-  if (!strcasecmp (args, "all"))
-    {
-      resume_all_threads (from_tty);
-      return;
-    }
-
-  saved_thread = current_thread;
-
-  mid = parse_thread_id (args, 0, 0);
-
-  if (mid < 0)
-    error ("You can resume only existing kernel threads with MID or @SLOTNUMBER");
-
-  if (mid == 0)
-    mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
-  else if (select_thread (inferior_task, mid, 0) != KERN_SUCCESS)
-    {
-      if (current_thread)
-	current_thread = saved_thread;
-      throw_exception (RETURN_ERROR);
-    }
-
-  ret = thread_info (current_thread,
-		     THREAD_BASIC_INFO,
-		     (thread_info_t) & th_info,
-		     &infoCnt);
-  CHK ("resume can't get thread info", ret);
-
-  if (!th_info.suspend_count)
-    {
-      warning ("Thread %d is not suspended", mid);
-      goto out;
-    }
-
-  ret = thread_resume (current_thread);
-  if (ret != KERN_SUCCESS)
-    warning ("thread_resume failed : %s",
-	     mach_error_string (ret));
-  else
-    {
-      th_info.suspend_count--;
-      warning ("Thread %d suspend count is %d", mid, th_info.suspend_count);
-    }
-
-out:
-  current_thread = saved_thread;
-}
-
-void
-thread_kill_command (char *args, int from_tty)
-{
-  int mid;
-  kern_return_t ret;
-  int thread_count;
-  thread_array_t thread_table;
-  int index;
-  mach_port_t thread_to_kill = MACH_PORT_NULL;
-
-
-  MACH_ERROR_NO_INFERIOR;
-
-  if (!args)
-    error_no_arg ("thread mid to kill from the inferior task");
-
-  mid = parse_thread_id (args, 0, 0);
-
-  if (mid < 0)
-    error ("You can kill only existing kernel threads with MID or @SLOTNUMBER");
-
-  if (mid)
-    {
-      ret = machid_mach_port (mid_server, mid_auth, mid, &thread_to_kill);
-      CHK ("thread_kill_command: machid_mach_port map failed", ret);
-    }
-  else
-    mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
-
-  /* Don't allow gdb to kill *any* thread in the system. Use mkill program for that */
-  ret = task_threads (inferior_task, &thread_table, &thread_count);
-  CHK ("Error getting inferior's thread list", ret);
-
-  if (thread_to_kill == current_thread)
-    {
-      ret = thread_terminate (thread_to_kill);
-      CHK ("Thread could not be terminated", ret);
-
-      if (select_thread (inferior_task, 0, 1) != KERN_SUCCESS)
-	warning ("Last thread was killed, use \"kill\" command to kill task");
-    }
-  else
-    for (index = 0; index < thread_count; index++)
-      if (thread_table[index] == thread_to_kill)
-	{
-	  ret = thread_terminate (thread_to_kill);
-	  CHK ("Thread could not be terminated", ret);
-	}
-
-  if (thread_count > 1)
-    consume_send_rights (thread_table, thread_count);
-
-  ret = vm_deallocate (mach_task_self (), (vm_address_t) thread_table,
-		       (thread_count * sizeof (mach_port_t)));
-  CHK ("Error trying to deallocate thread list", ret);
-
-  warning ("Thread %d killed", mid);
-}
-
-
-/* Task specific commands; add more if you like */
-
-void
-task_resume_command (char *args, int from_tty)
-{
-  kern_return_t ret;
-  task_basic_info_data_t ta_info;
-  int infoCnt = TASK_BASIC_INFO_COUNT;
-  int mid = map_port_name_to_mid (inferior_task, MACH_TYPE_TASK);
-
-  MACH_ERROR_NO_INFERIOR;
-
-  /* Would be trivial to change, but is it desirable? */
-  if (args)
-    error ("Currently gdb can resume only it's inferior task");
-
-  ret = task_info (inferior_task,
-		   TASK_BASIC_INFO,
-		   (task_info_t) & ta_info,
-		   &infoCnt);
-  CHK ("task_resume_command: task_info failed", ret);
-
-  if (ta_info.suspend_count == 0)
-    error ("Inferior task %d is not suspended", mid);
-  else if (ta_info.suspend_count == 1 &&
-	   from_tty &&
-	!query ("Suspend count is now 1. Do you know what you are doing? "))
-    error ("Task not resumed");
-
-  ret = task_resume (inferior_task);
-  CHK ("task_resume_command: task_resume", ret);
-
-  if (ta_info.suspend_count == 1)
-    {
-      warning ("Inferior task %d is no longer suspended", mid);
-      must_suspend_thread = 1;
-      /* @@ This is not complete: Registers change all the time when not
-         suspended! */
-      registers_changed ();
-    }
-  else
-    warning ("Inferior task %d suspend count is now %d",
-	     mid, ta_info.suspend_count - 1);
-}
-
-
-void
-task_suspend_command (char *args, int from_tty)
-{
-  kern_return_t ret;
-  task_basic_info_data_t ta_info;
-  int infoCnt = TASK_BASIC_INFO_COUNT;
-  int mid = map_port_name_to_mid (inferior_task, MACH_TYPE_TASK);
-
-  MACH_ERROR_NO_INFERIOR;
-
-  /* Would be trivial to change, but is it desirable? */
-  if (args)
-    error ("Currently gdb can suspend only it's inferior task");
-
-  ret = task_suspend (inferior_task);
-  CHK ("task_suspend_command: task_suspend", ret);
-
-  must_suspend_thread = 0;
-
-  ret = task_info (inferior_task,
-		   TASK_BASIC_INFO,
-		   (task_info_t) & ta_info,
-		   &infoCnt);
-  CHK ("task_suspend_command: task_info failed", ret);
-
-  warning ("Inferior task %d suspend count is now %d",
-	   mid, ta_info.suspend_count);
-}
-
-static char *
-get_size (int bytes)
-{
-  static char size[30];
-  int zz = bytes / 1024;
-
-  if (zz / 1024)
-    sprintf (size, "%-2.1f M", ((float) bytes) / (1024.0 * 1024.0));
-  else
-    sprintf (size, "%d K", zz);
-
-  return size;
-}
-
-/* Does this require the target task to be suspended?? I don't think so. */
-void
-task_info_command (char *args, int from_tty)
-{
-  int mid = -5;
-  mach_port_t task;
-  kern_return_t ret;
-  task_basic_info_data_t ta_info;
-  int infoCnt = TASK_BASIC_INFO_COUNT;
-  int page_size = round_page (1);
-  int thread_count = 0;
-
-  if (MACH_PORT_VALID (inferior_task))
-    mid = map_port_name_to_mid (inferior_task,
-				MACH_TYPE_TASK);
-
-  task = inferior_task;
-
-  if (args)
-    {
-      int tmid = atoi (args);
-
-      if (tmid <= 0)
-	error ("Invalid mid %d for task info", tmid);
-
-      if (tmid != mid)
-	{
-	  mid = tmid;
-	  ret = machid_mach_port (mid_server, mid_auth, tmid, &task);
-	  CHK ("task_info_command: machid_mach_port map failed", ret);
-	}
-    }
-
-  if (mid < 0)
-    error ("You have to give the task MID as an argument");
-
-  ret = task_info (task,
-		   TASK_BASIC_INFO,
-		   (task_info_t) & ta_info,
-		   &infoCnt);
-  CHK ("task_info_command: task_info failed", ret);
-
-  printf_filtered ("\nTask info for task %d:\n\n", mid);
-  printf_filtered (" Suspend count : %d\n", ta_info.suspend_count);
-  printf_filtered (" Base priority : %d\n", ta_info.base_priority);
-  printf_filtered (" Virtual size  : %s\n", get_size (ta_info.virtual_size));
-  printf_filtered (" Resident size : %s\n", get_size (ta_info.resident_size));
-
-  {
-    thread_array_t thread_list;
-
-    ret = task_threads (task, &thread_list, &thread_count);
-    CHK ("task_info_command: task_threads", ret);
-
-    printf_filtered (" Thread count  : %d\n", thread_count);
-
-    consume_send_rights (thread_list, thread_count);
-    ret = vm_deallocate (mach_task_self (),
-			 (vm_address_t) thread_list,
-			 (thread_count * sizeof (int)));
-    CHK ("Error trying to deallocate thread list", ret);
-  }
-  if (have_emulator_p (task))
-    printf_filtered (" Emulator at   : 0x%x..0x%x\n",
-		     EMULATOR_BASE, EMULATOR_END);
-  else
-    printf_filtered (" No emulator.\n");
-
-  if (thread_count && task == inferior_task)
-    printf_filtered ("\nUse the \"thread list\" command to see the threads\n");
-}
-
-/* You may either FORWARD the exception to the inferior, or KEEP
- * it and return to GDB command level.
- *
- * exception mid [ forward | keep ]
- */
-
-static void
-exception_command (char *args, int from_tty)
-{
-  char *scan = args;
-  int exception;
-  int len;
-
-  if (!args)
-    error_no_arg ("exception number action");
-
-  while (*scan == ' ' || *scan == '\t')
-    scan++;
-
-  if ('0' <= *scan && *scan <= '9')
-    while ('0' <= *scan && *scan <= '9')
-      scan++;
-  else
-    error ("exception number action");
-
-  exception = atoi (args);
-  if (exception <= 0 || exception > MAX_EXCEPTION)
-    error ("Allowed exception numbers are in range 1..%d",
-	   MAX_EXCEPTION);
-
-  if (*scan != ' ' && *scan != '\t')
-    error ("exception number must be followed by a space");
-  else
-    while (*scan == ' ' || *scan == '\t')
-      scan++;
-
-  args = scan;
-  len = 0;
-  while (*scan)
-    {
-      len++;
-      scan++;
-    }
-
-  if (!len)
-    error ("exception number action");
-
-  if (!strncasecmp (args, "forward", len))
-    exception_map[exception].forward = TRUE;
-  else if (!strncasecmp (args, "keep", len))
-    exception_map[exception].forward = FALSE;
-  else
-    error ("exception action is either \"keep\" or \"forward\"");
-}
-
-static void
-print_exception_info (int exception)
-{
-  boolean_t forward = exception_map[exception].forward;
-
-  printf_filtered ("%s\t(%d): ", exception_map[exception].name,
-		   exception);
-  if (!forward)
-    if (exception_map[exception].sigmap != SIG_UNKNOWN)
-      printf_filtered ("keep and handle as signal %d\n",
-		       exception_map[exception].sigmap);
-    else
-      printf_filtered ("keep and handle as unknown signal %d\n",
-		       exception_map[exception].sigmap);
-  else
-    printf_filtered ("forward exception to inferior\n");
-}
-
-void
-exception_info (char *args, int from_tty)
-{
-  int exception;
-
-  if (!args)
-    for (exception = 1; exception <= MAX_EXCEPTION; exception++)
-      print_exception_info (exception);
-  else
-    {
-      exception = atoi (args);
-
-      if (exception <= 0 || exception > MAX_EXCEPTION)
-	error ("Invalid exception number, values from 1 to %d allowed",
-	       MAX_EXCEPTION);
-      print_exception_info (exception);
-    }
-}
-
-/* Check for actions for mach exceptions.
- */
-mach3_exception_actions (WAITTYPE *w, boolean_t force_print_only, char *who)
-{
-  boolean_t force_print = FALSE;
-
-
-  if (force_print_only ||
-      exception_map[stop_exception].sigmap == SIG_UNKNOWN)
-    force_print = TRUE;
-  else
-    WSETSTOP (*w, exception_map[stop_exception].sigmap);
-
-  if (exception_map[stop_exception].print || force_print)
-    {
-      target_terminal_ours ();
-
-      printf_filtered ("\n%s received %s exception : ",
-		       who,
-		       exception_map[stop_exception].name);
-
-      wrap_here ("   ");
-
-      switch (stop_exception)
-	{
-	case EXC_BAD_ACCESS:
-	  printf_filtered ("referencing address 0x%x : %s\n",
-			   stop_subcode,
-			   mach_error_string (stop_code));
-	  break;
-	case EXC_BAD_INSTRUCTION:
-	  printf_filtered
-	    ("illegal or undefined instruction. code %d subcode %d\n",
-	     stop_code, stop_subcode);
-	  break;
-	case EXC_ARITHMETIC:
-	  printf_filtered ("code %d\n", stop_code);
-	  break;
-	case EXC_EMULATION:
-	  printf_filtered ("code %d subcode %d\n", stop_code, stop_subcode);
-	  break;
-	case EXC_SOFTWARE:
-	  printf_filtered ("%s specific, code 0x%x\n",
-			   stop_code < 0xffff ? "hardware" : "os emulation",
-			   stop_code);
-	  break;
-	case EXC_BREAKPOINT:
-	  printf_filtered ("type %d (machine dependent)\n",
-			   stop_code);
-	  break;
-	default:
-	  internal_error (__FILE__, __LINE__,
-			  "Unknown exception");
-	}
-    }
-}
-
-setup_notify_port (int create_new)
-{
-  kern_return_t ret;
-
-  if (MACH_PORT_VALID (our_notify_port))
-    {
-      ret = mach_port_destroy (mach_task_self (), our_notify_port);
-      CHK ("Could not destroy our_notify_port", ret);
-    }
-
-  our_notify_port = MACH_PORT_NULL;
-  notify_chain = (port_chain_t) NULL;
-  port_chain_destroy (port_chain_obstack);
-
-  if (create_new)
-    {
-      ret = mach_port_allocate (mach_task_self (),
-				MACH_PORT_RIGHT_RECEIVE,
-				&our_notify_port);
-      if (ret != KERN_SUCCESS)
-	internal_error (__FILE__, __LINE__,
-			"Creating notify port %s", mach_error_string (ret));
-
-      ret = mach_port_move_member (mach_task_self (),
-				   our_notify_port,
-				   inferior_wait_port_set);
-      if (ret != KERN_SUCCESS)
-	internal_error (__FILE__, __LINE__,
-			"initial move member %s", mach_error_string (ret));
-    }
-}
-
-/*
- * Register our message port to the net name server
- *
- * Currently used only by the external stop-gdb program
- * since ^C does not work if you would like to enter
- * gdb command level while debugging your program.
- *
- * NOTE: If the message port is sometimes used for other
- * purposes also, the NAME must not be a guessable one.
- * Then, there should be a way to change it.
- */
-
-char registered_name[MAX_NAME_LEN];
-
-void
-message_port_info (char *args, int from_tty)
-{
-  if (registered_name[0])
-    printf_filtered ("gdb's message port name: '%s'\n",
-		     registered_name);
-  else
-    printf_filtered ("gdb's message port is not currently registered\n");
-}
-
-void
-gdb_register_port (char *name, mach_port_t port)
-{
-  kern_return_t ret;
-  static int already_signed = 0;
-  int len;
-
-  if (!MACH_PORT_VALID (port) || !name || !*name)
-    {
-      warning ("Invalid registration request");
-      return;
-    }
-
-  if (!already_signed)
-    {
-      ret = mach_port_insert_right (mach_task_self (),
-				    our_message_port,
-				    our_message_port,
-				    MACH_MSG_TYPE_MAKE_SEND);
-      CHK ("Failed to create a signature to our_message_port", ret);
-      already_signed = 1;
-    }
-  else if (already_signed > 1)
-    {
-      ret = netname_check_out (name_server_port,
-			       registered_name,
-			       our_message_port);
-      CHK ("Failed to check out gdb's message port", ret);
-      registered_name[0] = '\000';
-      already_signed = 1;
-    }
-
-  ret = netname_check_in (name_server_port,	/* Name server port */
-			  name,	/* Name of service */
-			  our_message_port,	/* Signature */
-			  port);	/* Creates a new send right */
-  CHK ("Failed to check in the port", ret);
-
-  len = 0;
-  while (len < MAX_NAME_LEN && *(name + len))
-    {
-      registered_name[len] = *(name + len);
-      len++;
-    }
-  registered_name[len] = '\000';
-  already_signed = 2;
-}
-
-struct cmd_list_element *cmd_thread_list;
-struct cmd_list_element *cmd_task_list;
-
-/*ARGSUSED */
-static void
-thread_command (char *arg, int from_tty)
-{
-  printf_unfiltered ("\"thread\" must be followed by the name of a thread command.\n");
-  help_list (cmd_thread_list, "thread ", -1, gdb_stdout);
-}
-
-/*ARGSUSED */
-static void
-task_command (char *arg, int from_tty)
-{
-  printf_unfiltered ("\"task\" must be followed by the name of a task command.\n");
-  help_list (cmd_task_list, "task ", -1, gdb_stdout);
-}
-
-add_mach_specific_commands (void)
-{
-  /* Thread handling commands */
-
-  /* FIXME: Move our thread support into the generic thread.c stuff so we
-     can share that code.  */
-  add_prefix_cmd ("mthread", class_stack, thread_command,
-	  "Generic command for handling Mach threads in the debugged task.",
-		  &cmd_thread_list, "thread ", 0, &cmdlist);
-
-  add_com_alias ("th", "mthread", class_stack, 1);
-
-  add_cmd ("select", class_stack, thread_select_command,
-	   "Select and print MID of the selected thread",
-	   &cmd_thread_list);
-  add_cmd ("list", class_stack, thread_list_command,
-	   "List info of task's threads. Selected thread is marked with '*'",
-	   &cmd_thread_list);
-  add_cmd ("suspend", class_run, thread_suspend_command,
-	   "Suspend one or all of the threads in the selected task.",
-	   &cmd_thread_list);
-  add_cmd ("resume", class_run, thread_resume_command,
-	   "Resume one or all of the threads in the selected task.",
-	   &cmd_thread_list);
-  add_cmd ("kill", class_run, thread_kill_command,
-	   "Kill the specified thread MID from inferior task.",
-	   &cmd_thread_list);
-#if 0
-  /* The rest of this support (condition_thread) was not merged.  It probably
-     should not be merged in this form, but instead added to the generic GDB
-     thread support.  */
-  add_cmd ("break", class_breakpoint, condition_thread,
-	   "Breakpoint N will only be effective for thread MID or @SLOT\n\
-	    If MID/@SLOT is omitted allow all threads to break at breakpoint",
-	   &cmd_thread_list);
-#endif
-  /* Thread command shorthands (for backward compatibility) */
-  add_alias_cmd ("ts", "mthread select", 0, 0, &cmdlist);
-  add_alias_cmd ("tl", "mthread list", 0, 0, &cmdlist);
-
-  /* task handling commands */
-
-  add_prefix_cmd ("task", class_stack, task_command,
-		  "Generic command for handling debugged task.",
-		  &cmd_task_list, "task ", 0, &cmdlist);
-
-  add_com_alias ("ta", "task", class_stack, 1);
-
-  add_cmd ("suspend", class_run, task_suspend_command,
-	   "Suspend the inferior task.",
-	   &cmd_task_list);
-  add_cmd ("resume", class_run, task_resume_command,
-	   "Resume the inferior task.",
-	   &cmd_task_list);
-  add_cmd ("info", no_class, task_info_command,
-	   "Print information about the specified task.",
-	   &cmd_task_list);
-
-  /* Print my message port name */
-
-  add_info ("message-port", message_port_info,
-	    "Returns the name of gdb's message port in the netnameserver");
-
-  /* Exception commands */
-
-  add_info ("exceptions", exception_info,
-	    "What debugger does when program gets various exceptions.\n\
-Specify an exception number as argument to print info on that\n\
-exception only.");
-
-  add_com ("exception", class_run, exception_command,
-	   "Specify how to handle an exception.\n\
-Args are exception number followed by \"forward\" or \"keep\".\n\
-`Forward' means forward the exception to the program's normal exception\n\
-handler.\n\
-`Keep' means reenter debugger if this exception happens, and GDB maps\n\
-the exception to some signal (see info exception)\n\
-Normally \"keep\" is used to return to GDB on exception.");
-}
-
-kern_return_t
-do_mach_notify_dead_name (mach_port_t notify, mach_port_t name)
-{
-  kern_return_t kr = KERN_SUCCESS;
-
-  /* Find the thing that notified */
-  port_chain_t element = port_chain_member (notify_chain, name);
-
-  /* Take name of from unreceived dead name notification list */
-  notify_chain = port_chain_delete (notify_chain, name);
-
-  if (!element)
-    error ("Received a dead name notify from unchained port (0x%x)", name);
-
-  switch (element->type)
-    {
-
-    case MACH_TYPE_THREAD:
-      target_terminal_ours_for_output ();
-      if (name == current_thread)
-	{
-	  printf_filtered ("\nCurrent thread %d died", element->mid);
-	  current_thread = MACH_PORT_NULL;
-	}
-      else
-	printf_filtered ("\nThread %d died", element->mid);
-
-      break;
-
-    case MACH_TYPE_TASK:
-      target_terminal_ours_for_output ();
-      if (name != inferior_task)
-	printf_filtered ("Task %d died, but it was not the selected task",
-			 element->mid);
-      else
-	{
-	  printf_filtered ("Current task %d died", element->mid);
-
-	  mach_port_destroy (mach_task_self (), name);
-	  inferior_task = MACH_PORT_NULL;
-
-	  if (notify_chain)
-	    warning ("There were still unreceived dead_name_notifications???");
-
-	  /* Destroy the old notifications */
-	  setup_notify_port (0);
-
-	}
-      break;
-
-    default:
-      error ("Unregistered dead_name 0x%x notification received. Type is %d, mid is 0x%x",
-	     name, element->type, element->mid);
-      break;
-    }
-
-  return KERN_SUCCESS;
-}
-
-kern_return_t
-do_mach_notify_msg_accepted (mach_port_t notify, mach_port_t name)
-{
-  warning ("do_mach_notify_msg_accepted : notify %x, name %x",
-	   notify, name);
-  return KERN_SUCCESS;
-}
-
-kern_return_t
-do_mach_notify_no_senders (mach_port_t notify, mach_port_mscount_t mscount)
-{
-  warning ("do_mach_notify_no_senders : notify %x, mscount %x",
-	   notify, mscount);
-  return KERN_SUCCESS;
-}
-
-kern_return_t
-do_mach_notify_port_deleted (mach_port_t notify, mach_port_t name)
-{
-  warning ("do_mach_notify_port_deleted : notify %x, name %x",
-	   notify, name);
-  return KERN_SUCCESS;
-}
-
-kern_return_t
-do_mach_notify_port_destroyed (mach_port_t notify, mach_port_t rights)
-{
-  warning ("do_mach_notify_port_destroyed : notify %x, rights %x",
-	   notify, rights);
-  return KERN_SUCCESS;
-}
-
-kern_return_t
-do_mach_notify_send_once (mach_port_t notify)
-{
-#ifdef DUMP_SYSCALL
-  /* MANY of these are generated. */
-  warning ("do_mach_notify_send_once : notify %x",
-	   notify);
-#endif
-  return KERN_SUCCESS;
-}
-
-/* Kills the inferior. It's gone when you call this */
-static void
-kill_inferior_fast (void)
-{
-  WAITTYPE w;
-
-  if (PIDGET (inferior_ptid) == 0 || PIDGET (inferior_ptid) == 1)
-    return;
-
-  /* kill() it, since the Unix server does not otherwise notice when
-   * killed with task_terminate().
-   */
-  if (PIDGET (inferior_ptid) > 0)
-    kill (PIDGET (inferior_ptid), SIGKILL);
-
-  /* It's propably terminate already */
-  (void) task_terminate (inferior_task);
-
-  inferior_task = MACH_PORT_NULL;
-  current_thread = MACH_PORT_NULL;
-
-  wait3 (&w, WNOHANG, 0);
-
-  setup_notify_port (0);
-}
-
-static void
-m3_kill_inferior (void)
-{
-  kill_inferior_fast ();
-  target_mourn_inferior ();
-}
-
-/* Clean up after the inferior dies.  */
-
-static void
-m3_mourn_inferior (void)
-{
-  unpush_target (&m3_ops);
-  generic_mourn_inferior ();
-}
-
-
-/* Fork an inferior process, and start debugging it.  */
-
-static void
-m3_create_inferior (char *exec_file, char *allargs, char **env)
-{
-  fork_inferior (exec_file, allargs, env, m3_trace_me, m3_trace_him, NULL, NULL);
-  /* We are at the first instruction we care about.  */
-  /* Pedal to the metal... */
-  proceed ((CORE_ADDR) -1, 0, 0);
-}
-
-/* Mark our target-struct as eligible for stray "run" and "attach"
-   commands.  */
-static int
-m3_can_run (void)
-{
-  return 1;
-}
-
-/* Mach 3.0 does not need ptrace for anything
- * Make sure nobody uses it on mach.
- */
-ptrace (int a, int b, int c, int d)
-{
-  error ("Lose, Lose! Somebody called ptrace\n");
-}
-
-/* Resume execution of the inferior process.
-   If STEP is nonzero, single-step it.
-   If SIGNAL is nonzero, give it that signal.  */
-
-void
-m3_resume (ptid_t ptid, int step, enum target_signal signal)
-{
-  kern_return_t ret;
-
-  if (step)
-    {
-      thread_basic_info_data_t th_info;
-      unsigned int infoCnt = THREAD_BASIC_INFO_COUNT;
-
-      /* There is no point in single stepping when current_thread
-       * is dead.
-       */
-      if (!MACH_PORT_VALID (current_thread))
-	error ("No thread selected; can not single step");
-
-      /* If current_thread is suspended, tracing it would never return.
-       */
-      ret = thread_info (current_thread,
-			 THREAD_BASIC_INFO,
-			 (thread_info_t) & th_info,
-			 &infoCnt);
-      CHK ("child_resume: can't get thread info", ret);
-
-      if (th_info.suspend_count)
-	error ("Can't trace a suspended thread. Use \"thread resume\" command to resume it");
-    }
-
-  vm_read_cache_valid = FALSE;
-
-  if (signal && PIDGET (inferior_ptid) > 0)	/* Do not signal, if attached by MID */
-    kill (PIDGET (inferior_ptid), target_signal_to_host (signal));
-
-  if (step)
-    {
-      suspend_all_threads (0);
-
-      setup_single_step (current_thread, TRUE);
-
-      ret = thread_resume (current_thread);
-      CHK ("thread_resume", ret);
-    }
-
-  ret = task_resume (inferior_task);
-  if (ret == KERN_FAILURE)
-    warning ("Task was not suspended");
-  else
-    CHK ("Resuming task", ret);
-
-  /* HACK HACK This is needed by the multiserver system HACK HACK */
-  while ((ret = task_resume (inferior_task)) == KERN_SUCCESS)
-    /* make sure it really runs */ ;
-  /* HACK HACK This is needed by the multiserver system HACK HACK */
-}
-
-#ifdef ATTACH_DETACH
-
-/* Start debugging the process with the given task */
-void
-task_attach (task_t tid)
-{
-  kern_return_t ret;
-  inferior_task = tid;
-
-  ret = task_suspend (inferior_task);
-  CHK ("task_attach: task_suspend", ret);
-
-  must_suspend_thread = 0;
-
-  setup_notify_port (1);
-
-  request_notify (inferior_task, MACH_NOTIFY_DEAD_NAME, MACH_TYPE_TASK);
-
-  setup_exception_port ();
-
-  emulator_present = have_emulator_p (inferior_task);
-
-  attach_flag = 1;
-}
-
-/* Well, we can call error also here and leave the
- * target stack inconsistent. Sigh.
- * Fix this sometime (the only way to fail here is that
- * the task has no threads at all, which is rare, but
- * possible; or if the target task has died, which is also
- * possible, but unlikely, since it has been suspended.
- * (Someone must have killed it))
- */
-void
-attach_to_thread (void)
-{
-  if (select_thread (inferior_task, 0, 1) != KERN_SUCCESS)
-    error ("Could not select any threads to attach to");
-}
-
-mid_attach (int mid)
-{
-  kern_return_t ret;
-
-  ret = machid_mach_port (mid_server, mid_auth, mid, &inferior_task);
-  CHK ("mid_attach: machid_mach_port", ret);
-
-  task_attach (inferior_task);
-
-  return mid;
-}
-
-/* 
- * Start debugging the process whose unix process-id is PID.
- * A negative "pid" value is legal and signifies a mach_id not a unix pid.
- *
- * Prevent (possible unwanted) dangerous operations by enabled users
- * like "atta 0" or "atta foo" (equal to the previous :-) and
- * "atta pidself". Anyway, the latter is allowed by specifying a MID.
- */
-static int
-m3_do_attach (int pid)
-{
-  kern_return_t ret;
-
-  if (pid == 0)
-    error ("MID=0, Debugging the master unix server does not compute");
-
-  /* Foo. This assumes gdb has a unix pid */
-  if (pid == getpid ())
-    error ("I will debug myself only by mid. (Gdb would suspend itself!)");
-
-  if (pid < 0)
-    {
-      mid_attach (-(pid));
-
-      /* inferior_ptid will be NEGATIVE! */
-      inferior_ptid = pid_to_ptid (pid);
-
-      return PIDGET (inferior_ptid);
-    }
-
-  inferior_task = task_by_pid (pid);
-  if (!MACH_PORT_VALID (inferior_task))
-    error ("Cannot map Unix pid %d to Mach task port", pid);
-
-  task_attach (inferior_task);
-
-  inferior_ptid = pid_to_ptid (pid);
-
-  return PIDGET (inferior_ptid);
-}
-
-/* Attach to process PID, then initialize for debugging it
-   and wait for the trace-trap that results from attaching.  */
-
-static void
-m3_attach (char *args, int from_tty)
-{
-  char *exec_file;
-  int pid;
-
-  if (!args)
-    error_no_arg ("process-id to attach");
-
-  pid = atoi (args);
-
-  if (pid == getpid ())		/* Trying to masturbate? */
-    error ("I refuse to debug myself!");
-
-  if (from_tty)
-    {
-      exec_file = (char *) get_exec_file (0);
-
-      if (exec_file)
-	printf_unfiltered ("Attaching to program `%s', %s\n", exec_file,
-	                   target_pid_to_str (pid_to_ptid (pid)));
-      else
-	printf_unfiltered ("Attaching to %s\n",
-	                   target_pid_to_str (pid_to_ptid (pid)));
-
-      gdb_flush (gdb_stdout);
-    }
-
-  m3_do_attach (pid_to_ptid (pid));
-  inferior_ptid = pid_to_ptid (pid);
-  push_target (&m3_ops);
-}
-
-void
-deallocate_inferior_ports (void)
-{
-  kern_return_t ret;
-  thread_array_t thread_list;
-  int thread_count, index;
-
-  if (!MACH_PORT_VALID (inferior_task))
-    return;
-
-  ret = task_threads (inferior_task, &thread_list, &thread_count);
-  if (ret != KERN_SUCCESS)
-    {
-      warning ("deallocate_inferior_ports: task_threads",
-	       mach_error_string (ret));
-      return;
-    }
-
-  /* Get rid of send rights to task threads */
-  for (index = 0; index < thread_count; index++)
-    {
-      int rights;
-      ret = mach_port_get_refs (mach_task_self (),
-				thread_list[index],
-				MACH_PORT_RIGHT_SEND,
-				&rights);
-      CHK ("deallocate_inferior_ports: get refs", ret);
-
-      if (rights > 0)
-	{
-	  ret = mach_port_mod_refs (mach_task_self (),
-				    thread_list[index],
-				    MACH_PORT_RIGHT_SEND,
-				    -rights);
-	  CHK ("deallocate_inferior_ports: mod refs", ret);
-	}
-    }
-
-  ret = mach_port_mod_refs (mach_task_self (),
-			    inferior_exception_port,
-			    MACH_PORT_RIGHT_RECEIVE,
-			    -1);
-  CHK ("deallocate_inferior_ports: cannot get rid of exception port", ret);
-
-  ret = mach_port_deallocate (mach_task_self (),
-			      inferior_task);
-  CHK ("deallocate_task_port: deallocating inferior_task", ret);
-
-  current_thread = MACH_PORT_NULL;
-  inferior_task = MACH_PORT_NULL;
-}
-
-/* Stop debugging the process whose number is PID
-   and continue it with signal number SIGNAL.
-   SIGNAL = 0 means just continue it.  */
-
-static void
-m3_do_detach (int signal)
-{
-  kern_return_t ret;
-
-  MACH_ERROR_NO_INFERIOR;
-
-  if (current_thread != MACH_PORT_NULL)
-    {
-      /* Store the gdb's view of the thread we are deselecting
-       * before we detach.
-       * @@ I am really not sure if this is ever needeed.
-       */
-      target_prepare_to_store ();
-      target_store_registers (-1);
-    }
-
-  ret = task_set_special_port (inferior_task,
-			       TASK_EXCEPTION_PORT,
-			       inferior_old_exception_port);
-  CHK ("task_set_special_port", ret);
-
-  /* Discard all requested notifications */
-  setup_notify_port (0);
-
-  if (remove_breakpoints ())
-    warning ("Could not remove breakpoints when detaching");
-
-  if (signal && PIDGET (inferior_ptid) > 0)
-    kill (PIDGET (inferior_ptid), signal);
-
-  /* the task might be dead by now */
-  (void) task_resume (inferior_task);
-
-  deallocate_inferior_ports ();
-
-  attach_flag = 0;
-}
-
-/* Take a program previously attached to and detaches it.
-   The program resumes execution and will no longer stop
-   on signals, etc.  We'd better not have left any breakpoints
-   in the program or it'll die when it hits one.  For this
-   to work, it may be necessary for the process to have been
-   previously attached.  It *might* work if the program was
-   started via fork.  */
-
-static void
-m3_detach (char *args, int from_tty)
-{
-  int siggnal = 0;
-
-  if (from_tty)
-    {
-      char *exec_file = get_exec_file (0);
-      if (exec_file == 0)
-	exec_file = "";
-      printf_unfiltered ("Detaching from program: %s %s\n",
-			 exec_file, target_pid_to_str (inferior_ptid));
-      gdb_flush (gdb_stdout);
-    }
-  if (args)
-    siggnal = atoi (args);
-
-  m3_do_detach (siggnal);
-  inferior_ptid = null_ptid;
-  unpush_target (&m3_ops);	/* Pop out of handling an inferior */
-}
-#endif /* ATTACH_DETACH */
-
-/* Get ready to modify the registers array.  On machines which store
-   individual registers, this doesn't need to do anything.  On machines
-   which store all the registers in one fell swoop, this makes sure
-   that registers contains all the registers from the program being
-   debugged.  */
-
-static void
-m3_prepare_to_store (void)
-{
-#ifdef CHILD_PREPARE_TO_STORE
-  CHILD_PREPARE_TO_STORE ();
-#endif
-}
-
-/* Print status information about what we're accessing.  */
-
-static void
-m3_files_info (struct target_ops *ignore)
-{
-  /* FIXME: should print MID and all that crap.  */
-  printf_unfiltered ("\tUsing the running image of %s %s.\n",
-      attach_flag ? "attached" : "child", target_pid_to_str (inferior_ptid));
-}
-
-static void
-m3_open (char *arg, int from_tty)
-{
-  error ("Use the \"run\" command to start a Unix child process.");
-}
-
-#ifdef DUMP_SYSCALL
-#define STR(x) #x
-
-char *bsd1_names[] =
-{
-  "execve",
-  "fork",
-  "take_signal",
-  "sigreturn",
-  "getrusage",
-  "chdir",
-  "chroot",
-  "open",
-  "creat",
-  "mknod",
-  "link",
-  "symlink",
-  "unlink",
-  "access",
-  "stat",
-  "readlink",
-  "chmod",
-  "chown",
-  "utimes",
-  "truncate",
-  "rename",
-  "mkdir",
-  "rmdir",
-  "xutimes",
-  "mount",
-  "umount",
-  "acct",
-  "setquota",
-  "write_short",
-  "write_long",
-  "send_short",
-  "send_long",
-  "sendto_short",
-  "sendto_long",
-  "select",
-  "task_by_pid",
-  "recvfrom_short",
-  "recvfrom_long",
-  "setgroups",
-  "setrlimit",
-  "sigvec",
-  "sigstack",
-  "settimeofday",
-  "adjtime",
-  "setitimer",
-  "sethostname",
-  "bind",
-  "accept",
-  "connect",
-  "setsockopt",
-  "getsockopt",
-  "getsockname",
-  "getpeername",
-  "init_process",
-  "table_set",
-  "table_get",
-  "pioctl",
-  "emulator_error",
-  "readwrite",
-  "share_wakeup",
-  0,
-  "maprw_request_it",
-  "maprw_release_it",
-  "maprw_remap",
-  "pid_by_task",
-};
-
-int bsd1_nnames = sizeof (bsd1_names) / sizeof (bsd1_names[0]);
-
-char *
-name_str (int name, char *buf)
-{
-  switch (name)
-    {
-    case MACH_MSG_TYPE_BOOLEAN:
-      return "boolean";
-    case MACH_MSG_TYPE_INTEGER_16:
-      return "short";
-    case MACH_MSG_TYPE_INTEGER_32:
-      return "long";
-    case MACH_MSG_TYPE_CHAR:
-      return "char";
-    case MACH_MSG_TYPE_BYTE:
-      return "byte";
-    case MACH_MSG_TYPE_REAL:
-      return "real";
-    case MACH_MSG_TYPE_STRING:
-      return "string";
-    default:
-      sprintf (buf, "%d", name);
-      return buf;
-    }
-}
-
-char *
-id_str (int id, char *buf)
-{
-  char *p;
-  if (id >= 101000 && id < 101000 + bsd1_nnames)
-    {
-      if (p = bsd1_names[id - 101000])
-	return p;
-    }
-  if (id == 102000)
-    return "psignal_retry";
-  if (id == 100000)
-    return "syscall";
-  sprintf (buf, "%d", id);
-  return buf;
-}
-
-print_msg (mach_msg_header_t *mp)
-{
-  char *fmt_x = "%20s : 0x%08x\n";
-  char *fmt_d = "%20s : %10d\n";
-  char *fmt_s = "%20s : %s\n";
-  char buf[100];
-
-  puts_filtered ("\n");
-#define pr(fmt,h,x) printf_filtered(fmt,STR(x),(h).x)
-  pr (fmt_x, (*mp), msgh_bits);
-  pr (fmt_d, (*mp), msgh_size);
-  pr (fmt_x, (*mp), msgh_remote_port);
-  pr (fmt_x, (*mp), msgh_local_port);
-  pr (fmt_d, (*mp), msgh_kind);
-  printf_filtered (fmt_s, STR (msgh_id), id_str (mp->msgh_id, buf));
-
-  if (debug_level > 1)
-    {
-      char *p, *ep, *dp;
-      int plen;
-      p = (char *) mp;
-      ep = p + mp->msgh_size;
-      p += sizeof (*mp);
-      for (; p < ep; p += plen)
-	{
-	  mach_msg_type_t *tp;
-	  mach_msg_type_long_t *tlp;
-	  int name, size, number;
-	  tp = (mach_msg_type_t *) p;
-	  if (tp->msgt_longform)
-	    {
-	      tlp = (mach_msg_type_long_t *) tp;
-	      name = tlp->msgtl_name;
-	      size = tlp->msgtl_size;
-	      number = tlp->msgtl_number;
-	      plen = sizeof (*tlp);
-	    }
-	  else
-	    {
-	      name = tp->msgt_name;
-	      size = tp->msgt_size;
-	      number = tp->msgt_number;
-	      plen = sizeof (*tp);
-	    }
-	  printf_filtered ("name=%-16s size=%2d number=%7d inline=%d long=%d deal=%d\n",
-			name_str (name, buf), size, number, tp->msgt_inline,
-			   tp->msgt_longform, tp->msgt_deallocate);
-	  dp = p + plen;
-	  if (tp->msgt_inline)
-	    {
-	      int l;
-	      l = size * number / 8;
-	      l = (l + sizeof (long) - 1) & ~((sizeof (long)) - 1);
-	      plen += l;
-	      print_data (dp, size, number);
-	    }
-	  else
-	    {
-	      plen += sizeof (int *);
-	    }
-	  printf_filtered ("plen=%d\n", plen);
-	}
-    }
-}
-
-print_data (char *p, int size, int number)
-{
-  int *ip;
-  short *sp;
-  int i;
-
-  switch (size)
-    {
-    case 8:
-      for (i = 0; i < number; i++)
-	{
-	  printf_filtered (" %02x", p[i]);
-	}
-      break;
-    case 16:
-      sp = (short *) p;
-      for (i = 0; i < number; i++)
-	{
-	  printf_filtered (" %04x", sp[i]);
-	}
-      break;
-    case 32:
-      ip = (int *) p;
-      for (i = 0; i < number; i++)
-	{
-	  printf_filtered (" %08x", ip[i]);
-	}
-      break;
-    }
-  puts_filtered ("\n");
-}
-#endif /* DUMP_SYSCALL */
-
-static void
-m3_stop (void)
-{
-  error ("to_stop target function not implemented");
-}
-
-static char *
-m3_pid_to_exec_file (int pid)
-{
-  error ("to_pid_to_exec_file target function not implemented");
-  return NULL;			/* To keep all compilers happy. */
-}
-
-static void
-init_m3_ops (void)
-{
-  m3_ops.to_shortname = "mach";
-  m3_ops.to_longname = "Mach child process";
-  m3_ops.to_doc = "Mach child process (started by the \"run\" command).";
-  m3_ops.to_open = m3_open;
-  m3_ops.to_attach = m3_attach;
-  m3_ops.to_detach = m3_detach;
-  m3_ops.to_resume = m3_resume;
-  m3_ops.to_wait = mach_really_wait;
-  m3_ops.to_fetch_registers = fetch_inferior_registers;
-  m3_ops.to_store_registers = store_inferior_registers;
-  m3_ops.to_prepare_to_store = m3_prepare_to_store;
-  m3_ops.to_xfer_memory = m3_xfer_memory;
-  m3_ops.to_files_info = m3_files_info;
-  m3_ops.to_insert_breakpoint = memory_insert_breakpoint;
-  m3_ops.to_remove_breakpoint = memory_remove_breakpoint;
-  m3_ops.to_terminal_init = terminal_init_inferior;
-  m3_ops.to_terminal_inferior = terminal_inferior;
-  m3_ops.to_terminal_ours_for_output = terminal_ours_for_output;
-  m3_ops.to_terminal_save_ours = terminal_save_ours;
-  m3_ops.to_terminal_ours = terminal_ours;
-  m3_ops.to_terminal_info = child_terminal_info;
-  m3_ops.to_kill = m3_kill_inferior;
-  m3_ops.to_create_inferior = m3_create_inferior;
-  m3_ops.to_mourn_inferior = m3_mourn_inferior;
-  m3_ops.to_can_run = m3_can_run;
-  m3_ops.to_stop = m3_stop;
-  m3_ops.to_pid_to_exec_file = m3_pid_to_exec_file;
-  m3_ops.to_stratum = process_stratum;
-  m3_ops.to_has_all_memory = 1;
-  m3_ops.to_has_memory = 1;
-  m3_ops.to_has_stack = 1;
-  m3_ops.to_has_registers = 1;
-  m3_ops.to_has_execution = 1;
-  m3_ops.to_magic = OPS_MAGIC;
-}
-
-void
-_initialize_m3_nat (void)
-{
-  kern_return_t ret;
-
-  init_m3_ops ();
-  add_target (&m3_ops);
-
-  ret = mach_port_allocate (mach_task_self (),
-			    MACH_PORT_RIGHT_PORT_SET,
-			    &inferior_wait_port_set);
-  if (ret != KERN_SUCCESS)
-    internal_error (__FILE__, __LINE__,
-		    "initial port set %s", mach_error_string (ret));
-
-  /* mach_really_wait now waits for this */
-  currently_waiting_for = inferior_wait_port_set;
-
-  ret = netname_look_up (name_server_port, hostname, "MachID", &mid_server);
-  if (ret != KERN_SUCCESS)
-    {
-      mid_server = MACH_PORT_NULL;
-
-      warning ("initialize machid: netname_lookup_up(MachID) : %s",
-	       mach_error_string (ret));
-      warning ("Some (most?) features disabled...");
-    }
-
-  mid_auth = mach_privileged_host_port ();
-  if (mid_auth == MACH_PORT_NULL)
-    mid_auth = mach_task_self ();
-
-  obstack_init (port_chain_obstack);
-
-  ret = mach_port_allocate (mach_task_self (),
-			    MACH_PORT_RIGHT_RECEIVE,
-			    &thread_exception_port);
-  CHK ("Creating thread_exception_port for single stepping", ret);
-
-  ret = mach_port_insert_right (mach_task_self (),
-				thread_exception_port,
-				thread_exception_port,
-				MACH_MSG_TYPE_MAKE_SEND);
-  CHK ("Inserting send right to thread_exception_port", ret);
-
-  /* Allocate message port */
-  ret = mach_port_allocate (mach_task_self (),
-			    MACH_PORT_RIGHT_RECEIVE,
-			    &our_message_port);
-  if (ret != KERN_SUCCESS)
-    warning ("Creating message port %s", mach_error_string (ret));
-  else
-    {
-      char buf[MAX_NAME_LEN];
-      ret = mach_port_move_member (mach_task_self (),
-				   our_message_port,
-				   inferior_wait_port_set);
-      if (ret != KERN_SUCCESS)
-	warning ("message move member %s", mach_error_string (ret));
-
-
-      /* @@@@ No way to change message port name currently */
-      /* Foo. This assumes gdb has a unix pid */
-      sprintf (buf, "gdb-%d", getpid ());
-      gdb_register_port (buf, our_message_port);
-    }
-
-  /* Heap for thread commands */
-  obstack_init (cproc_obstack);
-
-  add_mach_specific_commands ();
-}
+// OBSOLETE /* Interface GDB to Mach 3.0 operating systems.
+// OBSOLETE    (Most) Mach 3.0 related routines live in this file.
+// OBSOLETE 
+// OBSOLETE    Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+// OBSOLETE    2002 Free Software Foundation, Inc.
+// OBSOLETE 
+// OBSOLETE    This file is part of GDB.
+// OBSOLETE 
+// OBSOLETE    This program is free software; you can redistribute it and/or modify
+// OBSOLETE    it under the terms of the GNU General Public License as published by
+// OBSOLETE    the Free Software Foundation; either version 2 of the License, or
+// OBSOLETE    (at your option) any later version.
+// OBSOLETE 
+// OBSOLETE    This program is distributed in the hope that it will be useful,
+// OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of
+// OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// OBSOLETE    GNU General Public License for more details.
+// OBSOLETE 
+// OBSOLETE    You should have received a copy of the GNU General Public License
+// OBSOLETE    along with this program; if not, write to the Free Software
+// OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,
+// OBSOLETE    Boston, MA 02111-1307, USA.  */
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE  * Author: Jukka Virtanen <jtv@hut.fi>
+// OBSOLETE  *         Computing Centre
+// OBSOLETE  *         Helsinki University of Technology
+// OBSOLETE  *         Finland
+// OBSOLETE  *
+// OBSOLETE  * Thanks to my friends who helped with ideas and testing:
+// OBSOLETE  *
+// OBSOLETE  *      Johannes Helander, Antti Louko, Tero Mononen,
+// OBSOLETE  *      jvh@cs.hut.fi      alo@hut.fi   tmo@cs.hut.fi
+// OBSOLETE  *
+// OBSOLETE  *      Tero Kivinen       and          Eamonn McManus
+// OBSOLETE  *      kivinen@cs.hut.fi               emcmanus@gr.osf.org
+// OBSOLETE  *      
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE #include <stdio.h>
+// OBSOLETE 
+// OBSOLETE #include <mach.h>
+// OBSOLETE #include <servers/netname.h>
+// OBSOLETE #include <servers/machid.h>
+// OBSOLETE #include <mach/message.h>
+// OBSOLETE #include <mach/notify.h>
+// OBSOLETE #include <mach_error.h>
+// OBSOLETE #include <mach/exception.h>
+// OBSOLETE #include <mach/vm_attributes.h>
+// OBSOLETE 
+// OBSOLETE #include "defs.h"
+// OBSOLETE #include "inferior.h"
+// OBSOLETE #include "symtab.h"
+// OBSOLETE #include "value.h"
+// OBSOLETE #include "language.h"
+// OBSOLETE #include "target.h"
+// OBSOLETE #include "gdb_wait.h"
+// OBSOLETE #include "gdbcmd.h"
+// OBSOLETE #include "gdbcore.h"
+// OBSOLETE #include "regcache.h"
+// OBSOLETE 
+// OBSOLETE #if 0
+// OBSOLETE #include <servers/machid_lib.h>
+// OBSOLETE #else
+// OBSOLETE #define	MACH_TYPE_TASK			1
+// OBSOLETE #define MACH_TYPE_THREAD		2
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE /* Included only for signal names and NSIG
+// OBSOLETE 
+// OBSOLETE  * note: There are many problems in signal handling with
+// OBSOLETE  *       gdb in Mach 3.0 in general.
+// OBSOLETE  */
+// OBSOLETE #include <signal.h>
+// OBSOLETE #define SIG_UNKNOWN 0		/* Exception that has no matching unix signal */
+// OBSOLETE 
+// OBSOLETE #include <cthreads.h>
+// OBSOLETE 
+// OBSOLETE /* This is what a cproc looks like.  This is here partly because
+// OBSOLETE    cthread_internals.h is not a header we can just #include, partly with
+// OBSOLETE    an eye towards perhaps getting this to work with cross-debugging
+// OBSOLETE    someday.  Best solution is if CMU publishes a real interface to this
+// OBSOLETE    stuff.  */
+// OBSOLETE #define CPROC_NEXT_OFFSET 0
+// OBSOLETE #define CPROC_NEXT_SIZE (TARGET_PTR_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_INCARNATION_OFFSET (CPROC_NEXT_OFFSET + CPROC_NEXT_SIZE)
+// OBSOLETE #define CPROC_INCARNATION_SIZE (sizeof (cthread_t))
+// OBSOLETE #define CPROC_LIST_OFFSET (CPROC_INCARNATION_OFFSET + CPROC_INCARNATION_SIZE)
+// OBSOLETE #define CPROC_LIST_SIZE (TARGET_PTR_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_WAIT_OFFSET (CPROC_LIST_OFFSET + CPROC_LIST_SIZE)
+// OBSOLETE #define CPROC_WAIT_SIZE (TARGET_PTR_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_REPLY_OFFSET (CPROC_WAIT_OFFSET + CPROC_WAIT_SIZE)
+// OBSOLETE #define CPROC_REPLY_SIZE (sizeof (mach_port_t))
+// OBSOLETE #define CPROC_CONTEXT_OFFSET (CPROC_REPLY_OFFSET + CPROC_REPLY_SIZE)
+// OBSOLETE #define CPROC_CONTEXT_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_LOCK_OFFSET (CPROC_CONTEXT_OFFSET + CPROC_CONTEXT_SIZE)
+// OBSOLETE #define CPROC_LOCK_SIZE (sizeof (spin_lock_t))
+// OBSOLETE #define CPROC_STATE_OFFSET (CPROC_LOCK_OFFSET + CPROC_LOCK_SIZE)
+// OBSOLETE #define CPROC_STATE_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_WIRED_OFFSET (CPROC_STATE_OFFSET + CPROC_STATE_SIZE)
+// OBSOLETE #define CPROC_WIRED_SIZE (sizeof (mach_port_t))
+// OBSOLETE #define CPROC_BUSY_OFFSET (CPROC_WIRED_OFFSET + CPROC_WIRED_SIZE)
+// OBSOLETE #define CPROC_BUSY_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_MSG_OFFSET (CPROC_BUSY_OFFSET + CPROC_BUSY_SIZE)
+// OBSOLETE #define CPROC_MSG_SIZE (sizeof (mach_msg_header_t))
+// OBSOLETE #define CPROC_BASE_OFFSET (CPROC_MSG_OFFSET + CPROC_MSG_SIZE)
+// OBSOLETE #define CPROC_BASE_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_SIZE_OFFSET (CPROC_BASE_OFFSET + CPROC_BASE_SIZE)
+// OBSOLETE #define CPROC_SIZE_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_SIZE (CPROC_SIZE_OFFSET + CPROC_SIZE_SIZE)
+// OBSOLETE 
+// OBSOLETE /* Values for the state field in the cproc.  */
+// OBSOLETE #define CPROC_RUNNING	0
+// OBSOLETE #define CPROC_SWITCHING 1
+// OBSOLETE #define CPROC_BLOCKED	2
+// OBSOLETE #define CPROC_CONDWAIT	4
+// OBSOLETE 
+// OBSOLETE /* For cproc and kernel thread mapping */
+// OBSOLETE typedef struct gdb_thread
+// OBSOLETE   {
+// OBSOLETE     mach_port_t name;
+// OBSOLETE     CORE_ADDR sp;
+// OBSOLETE     CORE_ADDR pc;
+// OBSOLETE     CORE_ADDR fp;
+// OBSOLETE     boolean_t in_emulator;
+// OBSOLETE     int slotid;
+// OBSOLETE 
+// OBSOLETE     /* This is for the mthreads list.  It points to the cproc list.
+// OBSOLETE        Perhaps the two lists should be merged (or perhaps it was a mistake
+// OBSOLETE        to make them both use a struct gdb_thread).  */
+// OBSOLETE     struct gdb_thread *cproc;
+// OBSOLETE 
+// OBSOLETE     /* These are for the cproc list, which is linked through the next field
+// OBSOLETE        of the struct gdb_thread.  */
+// OBSOLETE     char raw_cproc[CPROC_SIZE];
+// OBSOLETE     /* The cthread which is pointed to by the incarnation field from the
+// OBSOLETE        cproc.  This points to the copy we've read into GDB.  */
+// OBSOLETE     cthread_t cthread;
+// OBSOLETE     /* Point back to the mthreads list.  */
+// OBSOLETE     int reverse_map;
+// OBSOLETE     struct gdb_thread *next;
+// OBSOLETE   }
+// OBSOLETE  *gdb_thread_t;
+// OBSOLETE 
+// OBSOLETE /* 
+// OBSOLETE  * Actions for Mach exceptions.
+// OBSOLETE  *
+// OBSOLETE  * sigmap field maps the exception to corresponding Unix signal.
+// OBSOLETE  *
+// OBSOLETE  * I do not know how to map the exception to unix signal
+// OBSOLETE  * if SIG_UNKNOWN is specified.
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE struct exception_list
+// OBSOLETE   {
+// OBSOLETE     char *name;
+// OBSOLETE     boolean_t forward;
+// OBSOLETE     boolean_t print;
+// OBSOLETE     int sigmap;
+// OBSOLETE   }
+// OBSOLETE exception_map[] =
+// OBSOLETE {
+// OBSOLETE   {
+// OBSOLETE     "not_mach3_exception", FALSE, TRUE, SIG_UNKNOWN
+// OBSOLETE   }
+// OBSOLETE   ,
+// OBSOLETE   {
+// OBSOLETE     "EXC_BAD_ACCESS", FALSE, TRUE, SIGSEGV
+// OBSOLETE   }
+// OBSOLETE   ,
+// OBSOLETE   {
+// OBSOLETE     "EXC_BAD_INSTRUCTION", FALSE, TRUE, SIGILL
+// OBSOLETE   }
+// OBSOLETE   ,
+// OBSOLETE   {
+// OBSOLETE     "EXC_ARITHMETIC", FALSE, TRUE, SIGFPE
+// OBSOLETE   }
+// OBSOLETE   ,
+// OBSOLETE   {
+// OBSOLETE     "EXC_EMULATION", FALSE, TRUE, SIGEMT
+// OBSOLETE   }
+// OBSOLETE   ,				/* ??? */
+// OBSOLETE   {
+// OBSOLETE     "EXC_SOFTWARE", FALSE, TRUE, SIG_UNKNOWN
+// OBSOLETE   }
+// OBSOLETE   ,
+// OBSOLETE   {
+// OBSOLETE     "EXC_BREAKPOINT", FALSE, FALSE, SIGTRAP
+// OBSOLETE   }
+// OBSOLETE };
+// OBSOLETE 
+// OBSOLETE /* Mach exception table size */
+// OBSOLETE int max_exception = sizeof (exception_map) / sizeof (struct exception_list) - 1;
+// OBSOLETE 
+// OBSOLETE #define MAX_EXCEPTION max_exception
+// OBSOLETE 
+// OBSOLETE WAITTYPE wait_status;
+// OBSOLETE 
+// OBSOLETE /* If you define this, intercepted bsd server calls will be
+// OBSOLETE  * dumped while waiting the inferior to EXEC the correct
+// OBSOLETE  * program
+// OBSOLETE  */
+// OBSOLETE /* #define DUMP_SYSCALL         /* debugging interceptor */
+// OBSOLETE 
+// OBSOLETE /* xx_debug() outputs messages if this is nonzero.
+// OBSOLETE  * If > 1, DUMP_SYSCALL will dump message contents.
+// OBSOLETE  */
+// OBSOLETE int debug_level = 0;
+// OBSOLETE 
+// OBSOLETE /* "Temporary" debug stuff */
+// OBSOLETE void
+// OBSOLETE xx_debug (char *fmt, int a, int b, int c)
+// OBSOLETE {
+// OBSOLETE   if (debug_level)
+// OBSOLETE     warning (fmt, a, b, c);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* This is in libmach.a */
+// OBSOLETE extern mach_port_t name_server_port;
+// OBSOLETE 
+// OBSOLETE /* Set in catch_exception_raise */
+// OBSOLETE int stop_exception, stop_code, stop_subcode;
+// OBSOLETE int stopped_in_exception;
+// OBSOLETE 
+// OBSOLETE /* Thread that was the active thread when we stopped */
+// OBSOLETE thread_t stop_thread = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE char *hostname = "";
+// OBSOLETE 
+// OBSOLETE /* Set when task is attached or created */
+// OBSOLETE boolean_t emulator_present = FALSE;
+// OBSOLETE 
+// OBSOLETE task_t inferior_task;
+// OBSOLETE thread_t current_thread;
+// OBSOLETE 
+// OBSOLETE /* Exception ports for inferior task */
+// OBSOLETE mach_port_t inferior_exception_port = MACH_PORT_NULL;
+// OBSOLETE mach_port_t inferior_old_exception_port = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE /* task exceptions and notifications */
+// OBSOLETE mach_port_t inferior_wait_port_set = MACH_PORT_NULL;
+// OBSOLETE mach_port_t our_notify_port = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE /* This is "inferior_wait_port_set" when not single stepping, and
+// OBSOLETE  *         "singlestepped_thread_port" when we are single stepping.
+// OBSOLETE  * 
+// OBSOLETE  * This is protected by a cleanup function: discard_single_step()
+// OBSOLETE  */
+// OBSOLETE mach_port_t currently_waiting_for = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE /* A port for external messages to gdb.
+// OBSOLETE  * External in the meaning that they do not come
+// OBSOLETE  * from the inferior_task, but rather from external
+// OBSOLETE  * tasks.
+// OBSOLETE  *
+// OBSOLETE  * As a debugging feature:
+// OBSOLETE  * A debugger debugging another debugger can stop the
+// OBSOLETE  * inferior debugger by the following command sequence
+// OBSOLETE  * (without running external programs)
+// OBSOLETE  *
+// OBSOLETE  *    (top-gdb) set stop_inferior_gdb ()
+// OBSOLETE  *    (top-gdb) continue
+// OBSOLETE  */
+// OBSOLETE mach_port_t our_message_port = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE /* For single stepping */
+// OBSOLETE mach_port_t thread_exception_port = MACH_PORT_NULL;
+// OBSOLETE mach_port_t thread_saved_exception_port = MACH_PORT_NULL;
+// OBSOLETE mach_port_t singlestepped_thread_port = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE /* For machid calls */
+// OBSOLETE mach_port_t mid_server = MACH_PORT_NULL;
+// OBSOLETE mach_port_t mid_auth = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE /* If gdb thinks the inferior task is not suspended, it
+// OBSOLETE  * must take suspend/abort the threads when it reads the state.
+// OBSOLETE  */
+// OBSOLETE int must_suspend_thread = 0;
+// OBSOLETE 
+// OBSOLETE /* When single stepping, we switch the port that mach_really_wait() listens to.
+// OBSOLETE  * This cleanup is a guard to prevent the port set from being left to
+// OBSOLETE  * the singlestepped_thread_port when error() is called.
+// OBSOLETE  *  This is nonzero only when we are single stepping.
+// OBSOLETE  */
+// OBSOLETE #define NULL_CLEANUP (struct cleanup *)0
+// OBSOLETE struct cleanup *cleanup_step = NULL_CLEANUP;
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE static struct target_ops m3_ops;
+// OBSOLETE 
+// OBSOLETE static void m3_kill_inferior ();
+// OBSOLETE 
+// OBSOLETE #if 0
+// OBSOLETE #define MACH_TYPE_EXCEPTION_PORT	-1
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE /* Chain of ports to remember requested notifications. */
+// OBSOLETE 
+// OBSOLETE struct port_chain
+// OBSOLETE   {
+// OBSOLETE     struct port_chain *next;
+// OBSOLETE     mach_port_t port;
+// OBSOLETE     int type;
+// OBSOLETE     int mid;			/* Now only valid with MACH_TYPE_THREAD and */
+// OBSOLETE     /*  MACH_TYPE_THREAD */
+// OBSOLETE   };
+// OBSOLETE typedef struct port_chain *port_chain_t;
+// OBSOLETE 
+// OBSOLETE /* Room for chain nodes comes from pchain_obstack */
+// OBSOLETE struct obstack pchain_obstack;
+// OBSOLETE struct obstack *port_chain_obstack = &pchain_obstack;
+// OBSOLETE 
+// OBSOLETE /* For thread handling */
+// OBSOLETE struct obstack Cproc_obstack;
+// OBSOLETE struct obstack *cproc_obstack = &Cproc_obstack;
+// OBSOLETE 
+// OBSOLETE /* the list of notified ports */
+// OBSOLETE port_chain_t notify_chain = (port_chain_t) NULL;
+// OBSOLETE 
+// OBSOLETE port_chain_t
+// OBSOLETE port_chain_insert (port_chain_t list, mach_port_t name, int type)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   port_chain_t new;
+// OBSOLETE   int mid;
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (name))
+// OBSOLETE     return list;
+// OBSOLETE 
+// OBSOLETE   if (type == MACH_TYPE_TASK || type == MACH_TYPE_THREAD)
+// OBSOLETE     {
+// OBSOLETE       if (!MACH_PORT_VALID (mid_server))
+// OBSOLETE 	{
+// OBSOLETE 	  warning ("Machid server port invalid, can not map port 0x%x to MID",
+// OBSOLETE 		   name);
+// OBSOLETE 	  mid = name;
+// OBSOLETE 	}
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  ret = machid_mach_register (mid_server, mid_auth, name, type, &mid);
+// OBSOLETE 
+// OBSOLETE 	  if (ret != KERN_SUCCESS)
+// OBSOLETE 	    {
+// OBSOLETE 	      warning ("Can not map name (0x%x) to MID with machid", name);
+// OBSOLETE 	      mid = name;
+// OBSOLETE 	    }
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE 
+// OBSOLETE   new = (port_chain_t) obstack_alloc (port_chain_obstack,
+// OBSOLETE 				      sizeof (struct port_chain));
+// OBSOLETE   new->next = list;
+// OBSOLETE   new->port = name;
+// OBSOLETE   new->type = type;
+// OBSOLETE   new->mid = mid;
+// OBSOLETE 
+// OBSOLETE   return new;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE port_chain_t
+// OBSOLETE port_chain_delete (port_chain_t list, mach_port_t elem)
+// OBSOLETE {
+// OBSOLETE   if (list)
+// OBSOLETE     if (list->port == elem)
+// OBSOLETE       list = list->next;
+// OBSOLETE     else
+// OBSOLETE       while (list->next)
+// OBSOLETE 	{
+// OBSOLETE 	  if (list->next->port == elem)
+// OBSOLETE 	    list->next = list->next->next;	/* GCd with obstack_free() */
+// OBSOLETE 	  else
+// OBSOLETE 	    list = list->next;
+// OBSOLETE 	}
+// OBSOLETE   return list;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE port_chain_destroy (struct obstack *ostack)
+// OBSOLETE {
+// OBSOLETE   obstack_free (ostack, 0);
+// OBSOLETE   obstack_init (ostack);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE port_chain_t
+// OBSOLETE port_chain_member (port_chain_t list, mach_port_t elem)
+// OBSOLETE {
+// OBSOLETE   while (list)
+// OBSOLETE     {
+// OBSOLETE       if (list->port == elem)
+// OBSOLETE 	return list;
+// OBSOLETE       list = list->next;
+// OBSOLETE     }
+// OBSOLETE   return (port_chain_t) NULL;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE int
+// OBSOLETE map_port_name_to_mid (mach_port_t name, int type)
+// OBSOLETE {
+// OBSOLETE   port_chain_t elem;
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (name))
+// OBSOLETE     return -1;
+// OBSOLETE 
+// OBSOLETE   elem = port_chain_member (notify_chain, name);
+// OBSOLETE 
+// OBSOLETE   if (elem && (elem->type == type))
+// OBSOLETE     return elem->mid;
+// OBSOLETE 
+// OBSOLETE   if (elem)
+// OBSOLETE     return -1;
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (mid_server))
+// OBSOLETE     {
+// OBSOLETE       warning ("Machid server port invalid, can not map port 0x%x to mid",
+// OBSOLETE 	       name);
+// OBSOLETE       return -1;
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       int mid;
+// OBSOLETE       kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE       ret = machid_mach_register (mid_server, mid_auth, name, type, &mid);
+// OBSOLETE 
+// OBSOLETE       if (ret != KERN_SUCCESS)
+// OBSOLETE 	{
+// OBSOLETE 	  warning ("Can not map name (0x%x) to mid with machid", name);
+// OBSOLETE 	  return -1;
+// OBSOLETE 	}
+// OBSOLETE       return mid;
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Guard for currently_waiting_for and singlestepped_thread_port */
+// OBSOLETE static void
+// OBSOLETE discard_single_step (thread_t thread)
+// OBSOLETE {
+// OBSOLETE   currently_waiting_for = inferior_wait_port_set;
+// OBSOLETE 
+// OBSOLETE   cleanup_step = NULL_CLEANUP;
+// OBSOLETE   if (MACH_PORT_VALID (thread) && MACH_PORT_VALID (singlestepped_thread_port))
+// OBSOLETE     setup_single_step (thread, FALSE);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE setup_single_step (thread_t thread, boolean_t start_step)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (thread))
+// OBSOLETE     error ("Invalid thread supplied to setup_single_step");
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       mach_port_t teport;
+// OBSOLETE 
+// OBSOLETE       /* Get the current thread exception port */
+// OBSOLETE       ret = thread_get_exception_port (thread, &teport);
+// OBSOLETE       CHK ("Getting thread's exception port", ret);
+// OBSOLETE 
+// OBSOLETE       if (start_step)
+// OBSOLETE 	{
+// OBSOLETE 	  if (MACH_PORT_VALID (singlestepped_thread_port))
+// OBSOLETE 	    {
+// OBSOLETE 	      warning ("Singlestepped_thread_port (0x%x) is still valid?",
+// OBSOLETE 		       singlestepped_thread_port);
+// OBSOLETE 	      singlestepped_thread_port = MACH_PORT_NULL;
+// OBSOLETE 	    }
+// OBSOLETE 
+// OBSOLETE 	  /* If we are already stepping this thread */
+// OBSOLETE 	  if (MACH_PORT_VALID (teport) && teport == thread_exception_port)
+// OBSOLETE 	    {
+// OBSOLETE 	      ret = mach_port_deallocate (mach_task_self (), teport);
+// OBSOLETE 	      CHK ("Could not deallocate thread exception port", ret);
+// OBSOLETE 	    }
+// OBSOLETE 	  else
+// OBSOLETE 	    {
+// OBSOLETE 	      ret = thread_set_exception_port (thread, thread_exception_port);
+// OBSOLETE 	      CHK ("Setting exception port for thread", ret);
+// OBSOLETE #if 0
+// OBSOLETE 	      /* Insert thread exception port to wait port set */
+// OBSOLETE 	      ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE 					   thread_exception_port,
+// OBSOLETE 					   inferior_wait_port_set);
+// OBSOLETE 	      CHK ("Moving thread exception port to inferior_wait_port_set",
+// OBSOLETE 		   ret);
+// OBSOLETE #endif
+// OBSOLETE 	      thread_saved_exception_port = teport;
+// OBSOLETE 	    }
+// OBSOLETE 
+// OBSOLETE 	  thread_trace (thread, TRUE);
+// OBSOLETE 
+// OBSOLETE 	  singlestepped_thread_port = thread_exception_port;
+// OBSOLETE 	  currently_waiting_for = singlestepped_thread_port;
+// OBSOLETE 	  cleanup_step = make_cleanup (discard_single_step, thread);
+// OBSOLETE 	}
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  if (!MACH_PORT_VALID (teport))
+// OBSOLETE 	    error ("Single stepped thread had an invalid exception port?");
+// OBSOLETE 
+// OBSOLETE 	  if (teport != thread_exception_port)
+// OBSOLETE 	    error ("Single stepped thread had an unknown exception port?");
+// OBSOLETE 
+// OBSOLETE 	  ret = mach_port_deallocate (mach_task_self (), teport);
+// OBSOLETE 	  CHK ("Couldn't deallocate thread exception port", ret);
+// OBSOLETE #if 0
+// OBSOLETE 	  /* Remove thread exception port from wait port set */
+// OBSOLETE 	  ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE 				       thread_exception_port,
+// OBSOLETE 				       MACH_PORT_NULL);
+// OBSOLETE 	  CHK ("Removing thread exception port from inferior_wait_port_set",
+// OBSOLETE 	       ret);
+// OBSOLETE #endif
+// OBSOLETE 	  /* Restore thread's old exception port */
+// OBSOLETE 	  ret = thread_set_exception_port (thread,
+// OBSOLETE 					   thread_saved_exception_port);
+// OBSOLETE 	  CHK ("Restoring stepped thread's exception port", ret);
+// OBSOLETE 
+// OBSOLETE 	  if (MACH_PORT_VALID (thread_saved_exception_port))
+// OBSOLETE 	    (void) mach_port_deallocate (mach_task_self (),
+// OBSOLETE 					 thread_saved_exception_port);
+// OBSOLETE 
+// OBSOLETE 	  thread_trace (thread, FALSE);
+// OBSOLETE 
+// OBSOLETE 	  singlestepped_thread_port = MACH_PORT_NULL;
+// OBSOLETE 	  currently_waiting_for = inferior_wait_port_set;
+// OBSOLETE 	  if (cleanup_step)
+// OBSOLETE 	    discard_cleanups (cleanup_step);
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static
+// OBSOLETE request_notify (mach_port_t name, mach_msg_id_t variant, int type)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   mach_port_t previous_port_dummy = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (name))
+// OBSOLETE     return;
+// OBSOLETE 
+// OBSOLETE   if (port_chain_member (notify_chain, name))
+// OBSOLETE     return;
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_request_notification (mach_task_self (),
+// OBSOLETE 					name,
+// OBSOLETE 					variant,
+// OBSOLETE 					1,
+// OBSOLETE 					our_notify_port,
+// OBSOLETE 					MACH_MSG_TYPE_MAKE_SEND_ONCE,
+// OBSOLETE 					&previous_port_dummy);
+// OBSOLETE   CHK ("Serious: request_notify failed", ret);
+// OBSOLETE 
+// OBSOLETE   (void) mach_port_deallocate (mach_task_self (),
+// OBSOLETE 			       previous_port_dummy);
+// OBSOLETE 
+// OBSOLETE   notify_chain = port_chain_insert (notify_chain, name, type);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE reverse_msg_bits (mach_msg_header_t *msgp, int type)
+// OBSOLETE {
+// OBSOLETE   int rbits, lbits;
+// OBSOLETE   rbits = MACH_MSGH_BITS_REMOTE (msgp->msgh_bits);
+// OBSOLETE   lbits = type;
+// OBSOLETE   msgp->msgh_bits =
+// OBSOLETE     (msgp->msgh_bits & ~MACH_MSGH_BITS_PORTS_MASK) |
+// OBSOLETE     MACH_MSGH_BITS (lbits, rbits);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* On the third day He said:
+// OBSOLETE 
+// OBSOLETE    Let this be global
+// OBSOLETE    and then it was global.
+// OBSOLETE 
+// OBSOLETE    When creating the inferior fork, the
+// OBSOLETE    child code in inflow.c sets the name of the
+// OBSOLETE    bootstrap_port in its address space to this
+// OBSOLETE    variable.
+// OBSOLETE 
+// OBSOLETE    The name is transferred to our address space
+// OBSOLETE    with mach3_read_inferior().
+// OBSOLETE 
+// OBSOLETE    Thou shalt not do this with
+// OBSOLETE    task_get_bootstrap_port() in this task, since
+// OBSOLETE    the name in the inferior task is different than
+// OBSOLETE    the one we get.
+// OBSOLETE 
+// OBSOLETE    For blessed are the meek, as they shall inherit
+// OBSOLETE    the address space.
+// OBSOLETE  */
+// OBSOLETE mach_port_t original_server_port_name = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE /* Called from inferior after FORK but before EXEC */
+// OBSOLETE static void
+// OBSOLETE m3_trace_me (void)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   /* Get the NAME of the bootstrap port in this task
+// OBSOLETE      so that GDB can read it */
+// OBSOLETE   ret = task_get_bootstrap_port (mach_task_self (),
+// OBSOLETE 				 &original_server_port_name);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE   ret = mach_port_deallocate (mach_task_self (),
+// OBSOLETE 			      original_server_port_name);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE 
+// OBSOLETE   /* Suspend this task to let the parent change my ports.
+// OBSOLETE      Resumed by the debugger */
+// OBSOLETE   ret = task_suspend (mach_task_self ());
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE  * Intercept system calls to Unix server.
+// OBSOLETE  * After EXEC_COUNTER calls to exec(), return.
+// OBSOLETE  *
+// OBSOLETE  * Pre-assertion:  Child is suspended. (Not verified)
+// OBSOLETE  * Post-condition: Child is suspended after EXEC_COUNTER exec() calls.
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE intercept_exec_calls (int exec_counter)
+// OBSOLETE {
+// OBSOLETE   int terminal_initted = 0;
+// OBSOLETE 
+// OBSOLETE   struct syscall_msg_t
+// OBSOLETE     {
+// OBSOLETE       mach_msg_header_t header;
+// OBSOLETE       mach_msg_type_t type;
+// OBSOLETE       char room[2000];		/* Enuff space */
+// OBSOLETE     };
+// OBSOLETE 
+// OBSOLETE   struct syscall_msg_t syscall_in, syscall_out;
+// OBSOLETE 
+// OBSOLETE   mach_port_t fake_server;
+// OBSOLETE   mach_port_t original_server_send;
+// OBSOLETE   mach_port_t original_exec_reply;
+// OBSOLETE   mach_port_t exec_reply;
+// OBSOLETE   mach_port_t exec_reply_send;
+// OBSOLETE   mach_msg_type_name_t acquired;
+// OBSOLETE   mach_port_t emulator_server_port_name;
+// OBSOLETE   struct task_basic_info info;
+// OBSOLETE   mach_msg_type_number_t info_count;
+// OBSOLETE 
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   if (exec_counter <= 0)
+// OBSOLETE     return;			/* We are already set up in the correct program */
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE 			    MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE 			    &fake_server);
+// OBSOLETE   CHK ("create inferior_fake_server port failed", ret);
+// OBSOLETE 
+// OBSOLETE   /* Wait for inferior_task to suspend itself */
+// OBSOLETE   while (1)
+// OBSOLETE     {
+// OBSOLETE       info_count = sizeof (info);
+// OBSOLETE       ret = task_info (inferior_task,
+// OBSOLETE 		       TASK_BASIC_INFO,
+// OBSOLETE 		       (task_info_t) & info,
+// OBSOLETE 		       &info_count);
+// OBSOLETE       CHK ("Task info", ret);
+// OBSOLETE 
+// OBSOLETE       if (info.suspend_count)
+// OBSOLETE 	break;
+// OBSOLETE 
+// OBSOLETE       /* Note that the definition of the parameter was undefined
+// OBSOLETE        * at the time of this writing, so I just use an `ad hoc' value.
+// OBSOLETE        */
+// OBSOLETE       (void) swtch_pri (42);	/* Universal Priority Value */
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* Read the inferior's bootstrap port name */
+// OBSOLETE   if (!mach3_read_inferior (&original_server_port_name,
+// OBSOLETE 			    &original_server_port_name,
+// OBSOLETE 			    sizeof (original_server_port_name)))
+// OBSOLETE     error ("Can't read inferior task bootstrap port name");
+// OBSOLETE 
+// OBSOLETE   /* @@ BUG: If more than 1 send right GDB will FAIL!!! */
+// OBSOLETE   /*      Should get refs, and set them back when restoring */
+// OBSOLETE   /* Steal the original bsd server send right from inferior */
+// OBSOLETE   ret = mach_port_extract_right (inferior_task,
+// OBSOLETE 				 original_server_port_name,
+// OBSOLETE 				 MACH_MSG_TYPE_MOVE_SEND,
+// OBSOLETE 				 &original_server_send,
+// OBSOLETE 				 &acquired);
+// OBSOLETE   CHK ("mach_port_extract_right (bsd server send)", ret);
+// OBSOLETE 
+// OBSOLETE   if (acquired != MACH_MSG_TYPE_PORT_SEND)
+// OBSOLETE     error ("Incorrect right extracted, send right to bsd server expected");
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_insert_right (inferior_task,
+// OBSOLETE 				original_server_port_name,
+// OBSOLETE 				fake_server,
+// OBSOLETE 				MACH_MSG_TYPE_MAKE_SEND);
+// OBSOLETE   CHK ("mach_port_insert_right (fake server send)", ret);
+// OBSOLETE 
+// OBSOLETE   xx_debug ("inferior task bsd server ports set up \nfs %x, ospn %x, oss %x\n",
+// OBSOLETE 	    fake_server,
+// OBSOLETE 	    original_server_port_name, original_server_send);
+// OBSOLETE 
+// OBSOLETE   /* A receive right to the reply generated by unix server exec() request */
+// OBSOLETE   ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE 			    MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE 			    &exec_reply);
+// OBSOLETE   CHK ("create intercepted_reply_port port failed", ret);
+// OBSOLETE 
+// OBSOLETE   /* Pass this send right to Unix server so it replies to us after exec() */
+// OBSOLETE   ret = mach_port_extract_right (mach_task_self (),
+// OBSOLETE 				 exec_reply,
+// OBSOLETE 				 MACH_MSG_TYPE_MAKE_SEND_ONCE,
+// OBSOLETE 				 &exec_reply_send,
+// OBSOLETE 				 &acquired);
+// OBSOLETE   CHK ("mach_port_extract_right (exec_reply)", ret);
+// OBSOLETE 
+// OBSOLETE   if (acquired != MACH_MSG_TYPE_PORT_SEND_ONCE)
+// OBSOLETE     error ("Incorrect right extracted, send once expected for exec reply");
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE 			       fake_server,
+// OBSOLETE 			       inferior_wait_port_set);
+// OBSOLETE   CHK ("Moving fake syscall port to inferior_wait_port_set", ret);
+// OBSOLETE 
+// OBSOLETE   xx_debug ("syscall fake server set up, resuming inferior\n");
+// OBSOLETE 
+// OBSOLETE   ret = task_resume (inferior_task);
+// OBSOLETE   CHK ("task_resume (startup)", ret);
+// OBSOLETE 
+// OBSOLETE   /* Read requests from the inferior.
+// OBSOLETE      Pass directly through everything else except exec() calls.
+// OBSOLETE    */
+// OBSOLETE   while (exec_counter > 0)
+// OBSOLETE     {
+// OBSOLETE       ret = mach_msg (&syscall_in.header,	/* header */
+// OBSOLETE 		      MACH_RCV_MSG,	/* options */
+// OBSOLETE 		      0,	/* send size */
+// OBSOLETE 		      sizeof (struct syscall_msg_t),	/* receive size */
+// OBSOLETE 		      inferior_wait_port_set,	/* receive_name */
+// OBSOLETE 		      MACH_MSG_TIMEOUT_NONE,
+// OBSOLETE 		      MACH_PORT_NULL);
+// OBSOLETE       CHK ("mach_msg (intercepted sycall)", ret);
+// OBSOLETE 
+// OBSOLETE #ifdef DUMP_SYSCALL
+// OBSOLETE       print_msg (&syscall_in.header);
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE       /* ASSERT : msgh_local_port == fake_server */
+// OBSOLETE 
+// OBSOLETE       if (notify_server (&syscall_in.header, &syscall_out.header))
+// OBSOLETE 	error ("received a notify while intercepting syscalls");
+// OBSOLETE 
+// OBSOLETE       if (syscall_in.header.msgh_id == MIG_EXEC_SYSCALL_ID)
+// OBSOLETE 	{
+// OBSOLETE 	  xx_debug ("Received EXEC SYSCALL, counter = %d\n", exec_counter);
+// OBSOLETE 	  if (exec_counter == 1)
+// OBSOLETE 	    {
+// OBSOLETE 	      original_exec_reply = syscall_in.header.msgh_remote_port;
+// OBSOLETE 	      syscall_in.header.msgh_remote_port = exec_reply_send;
+// OBSOLETE 	    }
+// OBSOLETE 
+// OBSOLETE 	  if (!terminal_initted)
+// OBSOLETE 	    {
+// OBSOLETE 	      /* Now that the child has exec'd we know it has already set its
+// OBSOLETE 	         process group.  On POSIX systems, tcsetpgrp will fail with
+// OBSOLETE 	         EPERM if we try it before the child's setpgid.  */
+// OBSOLETE 
+// OBSOLETE 	      /* Set up the "saved terminal modes" of the inferior
+// OBSOLETE 	         based on what modes we are starting it with.  */
+// OBSOLETE 	      target_terminal_init ();
+// OBSOLETE 
+// OBSOLETE 	      /* Install inferior's terminal modes.  */
+// OBSOLETE 	      target_terminal_inferior ();
+// OBSOLETE 
+// OBSOLETE 	      terminal_initted = 1;
+// OBSOLETE 	    }
+// OBSOLETE 
+// OBSOLETE 	  exec_counter--;
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       syscall_in.header.msgh_local_port = syscall_in.header.msgh_remote_port;
+// OBSOLETE       syscall_in.header.msgh_remote_port = original_server_send;
+// OBSOLETE 
+// OBSOLETE       reverse_msg_bits (&syscall_in.header, MACH_MSG_TYPE_COPY_SEND);
+// OBSOLETE 
+// OBSOLETE       ret = mach_msg_send (&syscall_in.header);
+// OBSOLETE       CHK ("Forwarded syscall", ret);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE 			       fake_server,
+// OBSOLETE 			       MACH_PORT_NULL);
+// OBSOLETE   CHK ("Moving fake syscall out of inferior_wait_port_set", ret);
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE 			       exec_reply,
+// OBSOLETE 			       inferior_wait_port_set);
+// OBSOLETE   CHK ("Moving exec_reply to inferior_wait_port_set", ret);
+// OBSOLETE 
+// OBSOLETE   ret = mach_msg (&syscall_in.header,	/* header */
+// OBSOLETE 		  MACH_RCV_MSG,	/* options */
+// OBSOLETE 		  0,		/* send size */
+// OBSOLETE 		  sizeof (struct syscall_msg_t),	/* receive size */
+// OBSOLETE 		  inferior_wait_port_set,	/* receive_name */
+// OBSOLETE 		  MACH_MSG_TIMEOUT_NONE,
+// OBSOLETE 		  MACH_PORT_NULL);
+// OBSOLETE   CHK ("mach_msg (exec reply)", ret);
+// OBSOLETE 
+// OBSOLETE   ret = task_suspend (inferior_task);
+// OBSOLETE   CHK ("Suspending inferior after last exec", ret);
+// OBSOLETE 
+// OBSOLETE   must_suspend_thread = 0;
+// OBSOLETE 
+// OBSOLETE   xx_debug ("Received exec reply from bsd server, suspended inferior task\n");
+// OBSOLETE 
+// OBSOLETE #ifdef DUMP_SYSCALL
+// OBSOLETE   print_msg (&syscall_in.header);
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE   /* Message should appear as if it came from the unix server */
+// OBSOLETE   syscall_in.header.msgh_local_port = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE   /*  and go to the inferior task original reply port */
+// OBSOLETE   syscall_in.header.msgh_remote_port = original_exec_reply;
+// OBSOLETE 
+// OBSOLETE   reverse_msg_bits (&syscall_in.header, MACH_MSG_TYPE_MOVE_SEND_ONCE);
+// OBSOLETE 
+// OBSOLETE   ret = mach_msg_send (&syscall_in.header);
+// OBSOLETE   CHK ("Forwarding exec reply to inferior", ret);
+// OBSOLETE 
+// OBSOLETE   /* Garbage collect */
+// OBSOLETE   ret = mach_port_deallocate (inferior_task,
+// OBSOLETE 			      original_server_port_name);
+// OBSOLETE   CHK ("deallocating fake server send right", ret);
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_insert_right (inferior_task,
+// OBSOLETE 				original_server_port_name,
+// OBSOLETE 				original_server_send,
+// OBSOLETE 				MACH_MSG_TYPE_MOVE_SEND);
+// OBSOLETE   CHK ("Restoring the original bsd server send right", ret);
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_destroy (mach_task_self (),
+// OBSOLETE 			   fake_server);
+// OBSOLETE   fake_server = MACH_PORT_DEAD;
+// OBSOLETE   CHK ("mach_port_destroy (fake_server)", ret);
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_destroy (mach_task_self (),
+// OBSOLETE 			   exec_reply);
+// OBSOLETE   exec_reply = MACH_PORT_DEAD;
+// OBSOLETE   CHK ("mach_port_destroy (exec_reply)", ret);
+// OBSOLETE 
+// OBSOLETE   xx_debug ("Done with exec call interception\n");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE consume_send_rights (thread_array_t thread_list, int thread_count)
+// OBSOLETE {
+// OBSOLETE   int index;
+// OBSOLETE 
+// OBSOLETE   if (!thread_count)
+// OBSOLETE     return;
+// OBSOLETE 
+// OBSOLETE   for (index = 0; index < thread_count; index++)
+// OBSOLETE     {
+// OBSOLETE       /* Since thread kill command kills threads, don't check ret */
+// OBSOLETE       (void) mach_port_deallocate (mach_task_self (),
+// OBSOLETE 				   thread_list[index]);
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* suspend/abort/resume a thread. */
+// OBSOLETE setup_thread (mach_port_t thread, int what)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   if (what)
+// OBSOLETE     {
+// OBSOLETE       ret = thread_suspend (thread);
+// OBSOLETE       CHK ("setup_thread thread_suspend", ret);
+// OBSOLETE 
+// OBSOLETE       ret = thread_abort (thread);
+// OBSOLETE       CHK ("setup_thread thread_abort", ret);
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       ret = thread_resume (thread);
+// OBSOLETE       CHK ("setup_thread thread_resume", ret);
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE int
+// OBSOLETE map_slot_to_mid (int slot, thread_array_t threads, int thread_count)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   int deallocate = 0;
+// OBSOLETE   int index;
+// OBSOLETE   int mid;
+// OBSOLETE 
+// OBSOLETE   if (!threads)
+// OBSOLETE     {
+// OBSOLETE       deallocate++;
+// OBSOLETE       ret = task_threads (inferior_task, &threads, &thread_count);
+// OBSOLETE       CHK ("Can not select a thread from a dead task", ret);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (slot < 0 || slot >= thread_count)
+// OBSOLETE     {
+// OBSOLETE       if (deallocate)
+// OBSOLETE 	{
+// OBSOLETE 	  consume_send_rights (threads, thread_count);
+// OBSOLETE 	  (void) vm_deallocate (mach_task_self (), (vm_address_t) threads,
+// OBSOLETE 				(thread_count * sizeof (mach_port_t)));
+// OBSOLETE 	}
+// OBSOLETE       if (slot < 0)
+// OBSOLETE 	error ("invalid slot number");
+// OBSOLETE       else
+// OBSOLETE 	return -(slot + 1);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   mid = map_port_name_to_mid (threads[slot], MACH_TYPE_THREAD);
+// OBSOLETE 
+// OBSOLETE   if (deallocate)
+// OBSOLETE     {
+// OBSOLETE       consume_send_rights (threads, thread_count);
+// OBSOLETE       (void) vm_deallocate (mach_task_self (), (vm_address_t) threads,
+// OBSOLETE 			    (thread_count * sizeof (mach_port_t)));
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   return mid;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static int
+// OBSOLETE parse_thread_id (char *arg, int thread_count, int slots)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   int mid;
+// OBSOLETE   int slot;
+// OBSOLETE   int index;
+// OBSOLETE 
+// OBSOLETE   if (arg == 0)
+// OBSOLETE     return 0;
+// OBSOLETE 
+// OBSOLETE   while (*arg && (*arg == ' ' || *arg == '\t'))
+// OBSOLETE     arg++;
+// OBSOLETE 
+// OBSOLETE   if (!*arg)
+// OBSOLETE     return 0;
+// OBSOLETE 
+// OBSOLETE   /* Currently parse MID and @SLOTNUMBER */
+// OBSOLETE   if (*arg != '@')
+// OBSOLETE     {
+// OBSOLETE       mid = atoi (arg);
+// OBSOLETE       if (mid <= 0)
+// OBSOLETE 	error ("valid thread mid expected");
+// OBSOLETE       return mid;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   arg++;
+// OBSOLETE   slot = atoi (arg);
+// OBSOLETE 
+// OBSOLETE   if (slot < 0)
+// OBSOLETE     error ("invalid slot number");
+// OBSOLETE 
+// OBSOLETE   /* If you want slot numbers to remain slot numbers, set slots.
+// OBSOLETE 
+// OBSOLETE    * Well, since 0 is reserved, return the ordinal number
+// OBSOLETE    * of the thread rather than the slot number. Awk, this
+// OBSOLETE    * counts as a kludge.
+// OBSOLETE    */
+// OBSOLETE   if (slots)
+// OBSOLETE     return -(slot + 1);
+// OBSOLETE 
+// OBSOLETE   if (thread_count && slot >= thread_count)
+// OBSOLETE     return -(slot + 1);
+// OBSOLETE 
+// OBSOLETE   mid = map_slot_to_mid (slot);
+// OBSOLETE 
+// OBSOLETE   return mid;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* THREAD_ID 0 is special; it selects the first kernel
+// OBSOLETE  * thread from the list (i.e. SLOTNUMBER 0)
+// OBSOLETE  * This is used when starting the program with 'run' or when attaching.
+// OBSOLETE  *
+// OBSOLETE  * If FLAG is 0 the context is not changed, and the registers, frame, etc
+// OBSOLETE  * will continue to describe the old thread.
+// OBSOLETE  *
+// OBSOLETE  * If FLAG is nonzero, really select the thread.
+// OBSOLETE  * If FLAG is 2, the THREAD_ID is a slotnumber instead of a mid.
+// OBSOLETE  * 
+// OBSOLETE  */
+// OBSOLETE kern_return_t
+// OBSOLETE select_thread (mach_port_t task, int thread_id, int flag)
+// OBSOLETE {
+// OBSOLETE   thread_array_t thread_list;
+// OBSOLETE   int thread_count;
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   int index;
+// OBSOLETE   thread_t new_thread = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE   if (thread_id < 0)
+// OBSOLETE     error ("Can't select cprocs without kernel thread");
+// OBSOLETE 
+// OBSOLETE   ret = task_threads (task, &thread_list, &thread_count);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     {
+// OBSOLETE       warning ("Can not select a thread from a dead task");
+// OBSOLETE       m3_kill_inferior ();
+// OBSOLETE       return KERN_FAILURE;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (thread_count == 0)
+// OBSOLETE     {
+// OBSOLETE       /* The task can not do anything anymore, but it still
+// OBSOLETE        * exists as a container for memory and ports.
+// OBSOLETE        */
+// OBSOLETE       registers_changed ();
+// OBSOLETE       warning ("Task %d has no threads",
+// OBSOLETE 	       map_port_name_to_mid (task, MACH_TYPE_TASK));
+// OBSOLETE       current_thread = MACH_PORT_NULL;
+// OBSOLETE       (void) vm_deallocate (mach_task_self (),
+// OBSOLETE 			    (vm_address_t) thread_list,
+// OBSOLETE 			    (thread_count * sizeof (mach_port_t)));
+// OBSOLETE       return KERN_FAILURE;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (!thread_id || flag == 2)
+// OBSOLETE     {
+// OBSOLETE       /* First thread or a slotnumber */
+// OBSOLETE       if (!thread_id)
+// OBSOLETE 	new_thread = thread_list[0];
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  if (thread_id < thread_count)
+// OBSOLETE 	    new_thread = thread_list[thread_id];
+// OBSOLETE 	  else
+// OBSOLETE 	    {
+// OBSOLETE 	      (void) vm_deallocate (mach_task_self (),
+// OBSOLETE 				    (vm_address_t) thread_list,
+// OBSOLETE 				    (thread_count * sizeof (mach_port_t)));
+// OBSOLETE 	      error ("No such thread slot number : %d", thread_id);
+// OBSOLETE 	    }
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       for (index = 0; index < thread_count; index++)
+// OBSOLETE 	if (thread_id == map_port_name_to_mid (thread_list[index],
+// OBSOLETE 					       MACH_TYPE_THREAD))
+// OBSOLETE 	  {
+// OBSOLETE 	    new_thread = thread_list[index];
+// OBSOLETE 	    index = -1;
+// OBSOLETE 	    break;
+// OBSOLETE 	  }
+// OBSOLETE 
+// OBSOLETE       if (index != -1)
+// OBSOLETE 	error ("No thread with mid %d", thread_id);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* Notify when the selected thread dies */
+// OBSOLETE   request_notify (new_thread, MACH_NOTIFY_DEAD_NAME, MACH_TYPE_THREAD);
+// OBSOLETE 
+// OBSOLETE   ret = vm_deallocate (mach_task_self (),
+// OBSOLETE 		       (vm_address_t) thread_list,
+// OBSOLETE 		       (thread_count * sizeof (mach_port_t)));
+// OBSOLETE   CHK ("vm_deallocate", ret);
+// OBSOLETE 
+// OBSOLETE   if (!flag)
+// OBSOLETE     current_thread = new_thread;
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE #if 0
+// OBSOLETE       if (MACH_PORT_VALID (current_thread))
+// OBSOLETE 	{
+// OBSOLETE 	  /* Store the gdb's view of the thread we are deselecting
+// OBSOLETE 
+// OBSOLETE 	   * @@ I think gdb updates registers immediately when they are
+// OBSOLETE 	   * changed, so don't do this.
+// OBSOLETE 	   */
+// OBSOLETE 	  ret = thread_abort (current_thread);
+// OBSOLETE 	  CHK ("Could not abort system calls when saving state of old thread",
+// OBSOLETE 	       ret);
+// OBSOLETE 	  target_prepare_to_store ();
+// OBSOLETE 	  target_store_registers (-1);
+// OBSOLETE 	}
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE       registers_changed ();
+// OBSOLETE 
+// OBSOLETE       current_thread = new_thread;
+// OBSOLETE 
+// OBSOLETE       ret = thread_abort (current_thread);
+// OBSOLETE       CHK ("Could not abort system calls when selecting a thread", ret);
+// OBSOLETE 
+// OBSOLETE       stop_pc = read_pc ();
+// OBSOLETE       flush_cached_frames ();
+// OBSOLETE 
+// OBSOLETE       select_frame (get_current_frame ());
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE  * Switch to use thread named NEW_THREAD.
+// OBSOLETE  * Return it's MID
+// OBSOLETE  */
+// OBSOLETE int
+// OBSOLETE switch_to_thread (thread_t new_thread)
+// OBSOLETE {
+// OBSOLETE   thread_t saved_thread = current_thread;
+// OBSOLETE   int mid;
+// OBSOLETE 
+// OBSOLETE   mid = map_port_name_to_mid (new_thread,
+// OBSOLETE 			      MACH_TYPE_THREAD);
+// OBSOLETE   if (mid == -1)
+// OBSOLETE     warning ("Can't map thread name 0x%x to mid", new_thread);
+// OBSOLETE   else if (select_thread (inferior_task, mid, 1) != KERN_SUCCESS)
+// OBSOLETE     {
+// OBSOLETE       if (current_thread)
+// OBSOLETE 	current_thread = saved_thread;
+// OBSOLETE       error ("Could not select thread %d", mid);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   return mid;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Do this in gdb after doing FORK but before STARTUP_INFERIOR.
+// OBSOLETE  * Note that the registers are not yet valid in the inferior task.
+// OBSOLETE  */
+// OBSOLETE static int
+// OBSOLETE m3_trace_him (int pid)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   push_target (&m3_ops);
+// OBSOLETE 
+// OBSOLETE   inferior_task = task_by_pid (pid);
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (inferior_task))
+// OBSOLETE     error ("Can not map Unix pid %d to Mach task", pid);
+// OBSOLETE 
+// OBSOLETE   /* Clean up previous notifications and create new ones */
+// OBSOLETE   setup_notify_port (1);
+// OBSOLETE 
+// OBSOLETE   /* When notification appears, the inferior task has died */
+// OBSOLETE   request_notify (inferior_task, MACH_NOTIFY_DEAD_NAME, MACH_TYPE_TASK);
+// OBSOLETE 
+// OBSOLETE   emulator_present = have_emulator_p (inferior_task);
+// OBSOLETE 
+// OBSOLETE   /* By default, select the first thread,
+// OBSOLETE    * If task has no threads, gives a warning
+// OBSOLETE    * Does not fetch registers, since they are not yet valid.
+// OBSOLETE    */
+// OBSOLETE   select_thread (inferior_task, 0, 0);
+// OBSOLETE 
+// OBSOLETE   inferior_exception_port = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE   setup_exception_port ();
+// OBSOLETE 
+// OBSOLETE   xx_debug ("Now the debugged task is created\n");
+// OBSOLETE 
+// OBSOLETE   /* One trap to exec the shell, one to exec the program being debugged.  */
+// OBSOLETE   intercept_exec_calls (2);
+// OBSOLETE 
+// OBSOLETE   return pid;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE setup_exception_port (void)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE 			    MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE 			    &inferior_exception_port);
+// OBSOLETE   CHK ("mach_port_allocate", ret);
+// OBSOLETE 
+// OBSOLETE   /* add send right */
+// OBSOLETE   ret = mach_port_insert_right (mach_task_self (),
+// OBSOLETE 				inferior_exception_port,
+// OBSOLETE 				inferior_exception_port,
+// OBSOLETE 				MACH_MSG_TYPE_MAKE_SEND);
+// OBSOLETE   CHK ("mach_port_insert_right", ret);
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE 			       inferior_exception_port,
+// OBSOLETE 			       inferior_wait_port_set);
+// OBSOLETE   CHK ("mach_port_move_member", ret);
+// OBSOLETE 
+// OBSOLETE   ret = task_get_special_port (inferior_task,
+// OBSOLETE 			       TASK_EXCEPTION_PORT,
+// OBSOLETE 			       &inferior_old_exception_port);
+// OBSOLETE   CHK ("task_get_special_port(old exc)", ret);
+// OBSOLETE 
+// OBSOLETE   ret = task_set_special_port (inferior_task,
+// OBSOLETE 			       TASK_EXCEPTION_PORT,
+// OBSOLETE 			       inferior_exception_port);
+// OBSOLETE   CHK ("task_set_special_port", ret);
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_deallocate (mach_task_self (),
+// OBSOLETE 			      inferior_exception_port);
+// OBSOLETE   CHK ("mack_port_deallocate", ret);
+// OBSOLETE 
+// OBSOLETE #if 0
+// OBSOLETE   /* When notify appears, the inferior_task's exception
+// OBSOLETE    * port has been destroyed.
+// OBSOLETE    *
+// OBSOLETE    * Not used, since the dead_name_notification already
+// OBSOLETE    * appears when task dies.
+// OBSOLETE    *
+// OBSOLETE    */
+// OBSOLETE   request_notify (inferior_exception_port,
+// OBSOLETE 		  MACH_NOTIFY_NO_SENDERS,
+// OBSOLETE 		  MACH_TYPE_EXCEPTION_PORT);
+// OBSOLETE #endif
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Nonzero if gdb is waiting for a message */
+// OBSOLETE int mach_really_waiting;
+// OBSOLETE 
+// OBSOLETE /* Wait for the inferior to stop for some reason.
+// OBSOLETE    - Loop on notifications until inferior_task dies.
+// OBSOLETE    - Loop on exceptions until stopped_in_exception comes true.
+// OBSOLETE    (e.g. we receive a single step trace trap)
+// OBSOLETE    - a message arrives to gdb's message port
+// OBSOLETE 
+// OBSOLETE    There is no other way to exit this loop.
+// OBSOLETE 
+// OBSOLETE    Returns the inferior_ptid for rest of gdb.
+// OBSOLETE    Side effects: Set *OURSTATUS.  */
+// OBSOLETE ptid_t
+// OBSOLETE mach_really_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   int w;
+// OBSOLETE 
+// OBSOLETE   struct msg
+// OBSOLETE     {
+// OBSOLETE       mach_msg_header_t header;
+// OBSOLETE       mach_msg_type_t foo;
+// OBSOLETE       int data[8000];
+// OBSOLETE     }
+// OBSOLETE   in_msg, out_msg;
+// OBSOLETE 
+// OBSOLETE   /* Either notify (death), exception or message can stop the inferior */
+// OBSOLETE   stopped_in_exception = FALSE;
+// OBSOLETE 
+// OBSOLETE   while (1)
+// OBSOLETE     {
+// OBSOLETE       QUIT;
+// OBSOLETE 
+// OBSOLETE       stop_exception = stop_code = stop_subcode = -1;
+// OBSOLETE       stop_thread = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE       mach_really_waiting = 1;
+// OBSOLETE       ret = mach_msg (&in_msg.header,	/* header */
+// OBSOLETE 		      MACH_RCV_MSG,	/* options */
+// OBSOLETE 		      0,	/* send size */
+// OBSOLETE 		      sizeof (struct msg),	/* receive size */
+// OBSOLETE 		      currently_waiting_for,	/* receive name */
+// OBSOLETE 		      MACH_MSG_TIMEOUT_NONE,
+// OBSOLETE 		      MACH_PORT_NULL);
+// OBSOLETE       mach_really_waiting = 0;
+// OBSOLETE       CHK ("mach_msg (receive)", ret);
+// OBSOLETE 
+// OBSOLETE       /* Check if we received a notify of the childs' death */
+// OBSOLETE       if (notify_server (&in_msg.header, &out_msg.header))
+// OBSOLETE 	{
+// OBSOLETE 	  /* If inferior_task is null then the inferior has
+// OBSOLETE 	     gone away and we want to return to command level.
+// OBSOLETE 	     Otherwise it was just an informative message and we
+// OBSOLETE 	     need to look to see if there are any more. */
+// OBSOLETE 	  if (inferior_task != MACH_PORT_NULL)
+// OBSOLETE 	    continue;
+// OBSOLETE 	  else
+// OBSOLETE 	    {
+// OBSOLETE 	      /* Collect Unix exit status for gdb */
+// OBSOLETE 
+// OBSOLETE 	      wait3 (&w, WNOHANG, 0);
+// OBSOLETE 
+// OBSOLETE 	      /* This mess is here to check that the rest of
+// OBSOLETE 	       * gdb knows that the inferior died. It also
+// OBSOLETE 	       * tries to hack around the fact that Mach 3.0 (mk69)
+// OBSOLETE 	       * unix server (ux28) does not always know what
+// OBSOLETE 	       * has happened to it's children when mach-magic
+// OBSOLETE 	       * is applied on them.
+// OBSOLETE 	       */
+// OBSOLETE 	      if ((!WIFEXITED (w) && WIFSTOPPED (w)) ||
+// OBSOLETE 		  (WIFEXITED (w) && WEXITSTATUS (w) > 0377))
+// OBSOLETE 		{
+// OBSOLETE 		  WSETEXIT (w, 0);
+// OBSOLETE 		  warning ("Using exit value 0 for terminated task");
+// OBSOLETE 		}
+// OBSOLETE 	      else if (!WIFEXITED (w))
+// OBSOLETE 		{
+// OBSOLETE 		  int sig = WTERMSIG (w);
+// OBSOLETE 
+// OBSOLETE 		  /* Signals cause problems. Warn the user. */
+// OBSOLETE 		  if (sig != SIGKILL)	/* Bad luck if garbage matches this */
+// OBSOLETE 		    warning ("The terminating signal stuff may be nonsense");
+// OBSOLETE 		  else if (sig > NSIG)
+// OBSOLETE 		    {
+// OBSOLETE 		      WSETEXIT (w, 0);
+// OBSOLETE 		      warning ("Using exit value 0 for terminated task");
+// OBSOLETE 		    }
+// OBSOLETE 		}
+// OBSOLETE 	      store_waitstatus (ourstatus, w);
+// OBSOLETE 	      return inferior_ptid;
+// OBSOLETE 	    }
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       /* Hmm. Check for exception, as it was not a notification.
+// OBSOLETE          exc_server() does an upcall to catch_exception_raise()
+// OBSOLETE          if this rpc is an exception. Further actions are decided
+// OBSOLETE          there.
+// OBSOLETE        */
+// OBSOLETE       if (!exc_server (&in_msg.header, &out_msg.header))
+// OBSOLETE 	{
+// OBSOLETE 
+// OBSOLETE 	  /* Not an exception, check for message.
+// OBSOLETE 
+// OBSOLETE 	   * Messages don't come from the inferior, or if they
+// OBSOLETE 	   * do they better be asynchronous or it will hang.
+// OBSOLETE 	   */
+// OBSOLETE 	  if (gdb_message_server (&in_msg.header))
+// OBSOLETE 	    continue;
+// OBSOLETE 
+// OBSOLETE 	  error ("Unrecognized message received in mach_really_wait");
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       /* Send the reply of the exception rpc to the suspended task */
+// OBSOLETE       ret = mach_msg_send (&out_msg.header);
+// OBSOLETE       CHK ("mach_msg_send (exc reply)", ret);
+// OBSOLETE 
+// OBSOLETE       if (stopped_in_exception)
+// OBSOLETE 	{
+// OBSOLETE 	  /* Get unix state. May be changed in mach3_exception_actions() */
+// OBSOLETE 	  wait3 (&w, WNOHANG, 0);
+// OBSOLETE 
+// OBSOLETE 	  mach3_exception_actions (&w, FALSE, "Task");
+// OBSOLETE 
+// OBSOLETE 	  store_waitstatus (ourstatus, w);
+// OBSOLETE 	  return inferior_ptid;
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Called by macro DO_QUIT() in utils.c(quit).
+// OBSOLETE  * This is called just before calling error() to return to command level
+// OBSOLETE  */
+// OBSOLETE void
+// OBSOLETE mach3_quit (void)
+// OBSOLETE {
+// OBSOLETE   int mid;
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   if (mach_really_waiting)
+// OBSOLETE     {
+// OBSOLETE       ret = task_suspend (inferior_task);
+// OBSOLETE 
+// OBSOLETE       if (ret != KERN_SUCCESS)
+// OBSOLETE 	{
+// OBSOLETE 	  warning ("Could not suspend task for interrupt: %s",
+// OBSOLETE 		   mach_error_string (ret));
+// OBSOLETE 	  mach_really_waiting = 0;
+// OBSOLETE 	  return;
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   must_suspend_thread = 0;
+// OBSOLETE   mach_really_waiting = 0;
+// OBSOLETE 
+// OBSOLETE   mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
+// OBSOLETE   if (mid == -1)
+// OBSOLETE     {
+// OBSOLETE       warning ("Selecting first existing kernel thread");
+// OBSOLETE       mid = 0;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   current_thread = MACH_PORT_NULL;	/* Force setup */
+// OBSOLETE   select_thread (inferior_task, mid, 1);
+// OBSOLETE 
+// OBSOLETE   return;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #if 0
+// OBSOLETE /* bogus bogus bogus.  It is NOT OK to quit out of target_wait.  */
+// OBSOLETE 
+// OBSOLETE /* If ^C is typed when we are waiting for a message
+// OBSOLETE  * and your Unix server is able to notice that we 
+// OBSOLETE  * should quit now.
+// OBSOLETE  *
+// OBSOLETE  * Called by REQUEST_QUIT() from utils.c(request_quit)
+// OBSOLETE  */
+// OBSOLETE void
+// OBSOLETE mach3_request_quit (void)
+// OBSOLETE {
+// OBSOLETE   if (mach_really_waiting)
+// OBSOLETE     immediate_quit = 1;
+// OBSOLETE }
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE  * Gdb message server.
+// OBSOLETE  * Currently implemented is the STOP message, that causes
+// OBSOLETE  * gdb to return to the command level like ^C had been typed from terminal.
+// OBSOLETE  */
+// OBSOLETE int
+// OBSOLETE gdb_message_server (mach_msg_header_t *InP)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   int mid;
+// OBSOLETE 
+// OBSOLETE   if (InP->msgh_local_port == our_message_port)
+// OBSOLETE     {
+// OBSOLETE       /* A message coming to our_message_port. Check validity */
+// OBSOLETE       switch (InP->msgh_id)
+// OBSOLETE 	{
+// OBSOLETE 
+// OBSOLETE 	case GDB_MESSAGE_ID_STOP:
+// OBSOLETE 	  ret = task_suspend (inferior_task);
+// OBSOLETE 	  if (ret != KERN_SUCCESS)
+// OBSOLETE 	    warning ("Could not suspend task for stop message: %s",
+// OBSOLETE 		     mach_error_string (ret));
+// OBSOLETE 
+// OBSOLETE 	  /* QUIT in mach_really_wait() loop. */
+// OBSOLETE 	  request_quit (0);
+// OBSOLETE 	  break;
+// OBSOLETE 
+// OBSOLETE 	default:
+// OBSOLETE 	  warning ("Invalid message id %d received, ignored.",
+// OBSOLETE 		   InP->msgh_id);
+// OBSOLETE 	  break;
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       return 1;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* Message not handled by this server */
+// OBSOLETE   return 0;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* NOTE: This is not an RPC call. It is a simpleroutine.
+// OBSOLETE 
+// OBSOLETE  * This is not called from this gdb code.
+// OBSOLETE  *
+// OBSOLETE  * It may be called by another debugger to cause this
+// OBSOLETE  * debugger to enter command level:
+// OBSOLETE  *
+// OBSOLETE  *            (gdb) set stop_inferior_gdb ()
+// OBSOLETE  *            (gdb) continue
+// OBSOLETE  *
+// OBSOLETE  * External program "stop-gdb" implements this also.
+// OBSOLETE  */
+// OBSOLETE void
+// OBSOLETE stop_inferior_gdb (void)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   /* Code generated by mig, with minor cleanups :-)
+// OBSOLETE 
+// OBSOLETE    * simpleroutine stop_inferior_gdb (our_message_port : mach_port_t);
+// OBSOLETE    */
+// OBSOLETE 
+// OBSOLETE   typedef struct
+// OBSOLETE     {
+// OBSOLETE       mach_msg_header_t Head;
+// OBSOLETE     }
+// OBSOLETE   Request;
+// OBSOLETE 
+// OBSOLETE   Request Mess;
+// OBSOLETE 
+// OBSOLETE   register Request *InP = &Mess;
+// OBSOLETE 
+// OBSOLETE   InP->Head.msgh_bits = MACH_MSGH_BITS (MACH_MSG_TYPE_COPY_SEND, 0);
+// OBSOLETE 
+// OBSOLETE   /* msgh_size passed as argument */
+// OBSOLETE   InP->Head.msgh_remote_port = our_message_port;
+// OBSOLETE   InP->Head.msgh_local_port = MACH_PORT_NULL;
+// OBSOLETE   InP->Head.msgh_seqno = 0;
+// OBSOLETE   InP->Head.msgh_id = GDB_MESSAGE_ID_STOP;
+// OBSOLETE 
+// OBSOLETE   ret = mach_msg (&InP->Head,
+// OBSOLETE 		  MACH_SEND_MSG | MACH_MSG_OPTION_NONE,
+// OBSOLETE 		  sizeof (Request),
+// OBSOLETE 		  0,
+// OBSOLETE 		  MACH_PORT_NULL,
+// OBSOLETE 		  MACH_MSG_TIMEOUT_NONE,
+// OBSOLETE 		  MACH_PORT_NULL);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #ifdef THREAD_ALLOWED_TO_BREAK
+// OBSOLETE /*
+// OBSOLETE  * Return 1 if the MID specifies the thread that caused the
+// OBSOLETE  * last exception.
+// OBSOLETE  *  Since catch_exception_raise() selects the thread causing
+// OBSOLETE  * the last exception to current_thread, we just check that
+// OBSOLETE  * it is selected and the last exception was a breakpoint.
+// OBSOLETE  */
+// OBSOLETE int
+// OBSOLETE mach_thread_for_breakpoint (int mid)
+// OBSOLETE {
+// OBSOLETE   int cmid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
+// OBSOLETE 
+// OBSOLETE   if (mid < 0)
+// OBSOLETE     {
+// OBSOLETE       mid = map_slot_to_mid (-(mid + 1), 0, 0);
+// OBSOLETE       if (mid < 0)
+// OBSOLETE 	return 0;		/* Don't stop, no such slot */
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (!mid || cmid == -1)
+// OBSOLETE     return 1;			/* stop */
+// OBSOLETE 
+// OBSOLETE   return cmid == mid && stop_exception == EXC_BREAKPOINT;
+// OBSOLETE }
+// OBSOLETE #endif /* THREAD_ALLOWED_TO_BREAK */
+// OBSOLETE 
+// OBSOLETE #ifdef THREAD_PARSE_ID
+// OBSOLETE /*
+// OBSOLETE  * Map a thread id string (MID or a @SLOTNUMBER)
+// OBSOLETE  * to a thread-id.
+// OBSOLETE  *
+// OBSOLETE  *   0  matches all threads.
+// OBSOLETE  *   Otherwise the meaning is defined only in this file.
+// OBSOLETE  *   (mach_thread_for_breakpoint uses it)
+// OBSOLETE  *
+// OBSOLETE  * @@ This allows non-existent MIDs to be specified.
+// OBSOLETE  *    It now also allows non-existent slots to be
+// OBSOLETE  *    specified. (Slot numbers stored are negative,
+// OBSOLETE  *    and the magnitude is one greater than the actual
+// OBSOLETE  *    slot index. (Since 0 is reserved))
+// OBSOLETE  */
+// OBSOLETE int
+// OBSOLETE mach_thread_parse_id (char *arg)
+// OBSOLETE {
+// OBSOLETE   int mid;
+// OBSOLETE   if (arg == 0)
+// OBSOLETE     error ("thread id expected");
+// OBSOLETE   mid = parse_thread_id (arg, 0, 1);
+// OBSOLETE 
+// OBSOLETE   return mid;
+// OBSOLETE }
+// OBSOLETE #endif /* THREAD_PARSE_ID */
+// OBSOLETE 
+// OBSOLETE #ifdef THREAD_OUTPUT_ID
+// OBSOLETE char *
+// OBSOLETE mach_thread_output_id (int mid)
+// OBSOLETE {
+// OBSOLETE   static char foobar[20];
+// OBSOLETE 
+// OBSOLETE   if (mid > 0)
+// OBSOLETE     sprintf (foobar, "mid %d", mid);
+// OBSOLETE   else if (mid < 0)
+// OBSOLETE     sprintf (foobar, "@%d", -(mid + 1));
+// OBSOLETE   else
+// OBSOLETE     sprintf (foobar, "*any thread*");
+// OBSOLETE 
+// OBSOLETE   return foobar;
+// OBSOLETE }
+// OBSOLETE #endif /* THREAD_OUTPUT_ID */
+// OBSOLETE 
+// OBSOLETE /* Called with hook PREPARE_TO_PROCEED() from infrun.c.
+// OBSOLETE 
+// OBSOLETE  * If we have switched threads and stopped at breakpoint return 1 otherwise 0.
+// OBSOLETE  *
+// OBSOLETE  *  if SELECT_IT is nonzero, reselect the thread that was active when
+// OBSOLETE  *  we stopped at a breakpoint.
+// OBSOLETE  *
+// OBSOLETE  * Note that this implementation is potentially redundant now that
+// OBSOLETE  * default_prepare_to_proceed() has been added.  
+// OBSOLETE  *
+// OBSOLETE  * FIXME This may not support switching threads after Ctrl-C
+// OBSOLETE  * correctly. The default implementation does support this.
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE mach3_prepare_to_proceed (int select_it)
+// OBSOLETE {
+// OBSOLETE   if (stop_thread &&
+// OBSOLETE       stop_thread != current_thread &&
+// OBSOLETE       stop_exception == EXC_BREAKPOINT)
+// OBSOLETE     {
+// OBSOLETE       int mid;
+// OBSOLETE 
+// OBSOLETE       if (!select_it)
+// OBSOLETE 	return 1;
+// OBSOLETE 
+// OBSOLETE       mid = switch_to_thread (stop_thread);
+// OBSOLETE 
+// OBSOLETE       return 1;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   return 0;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* this stuff here is an upcall via libmach/excServer.c 
+// OBSOLETE    and mach_really_wait which does the actual upcall.
+// OBSOLETE 
+// OBSOLETE    The code will pass the exception to the inferior if:
+// OBSOLETE 
+// OBSOLETE    - The task that signaled is not the inferior task
+// OBSOLETE    (e.g. when debugging another debugger)
+// OBSOLETE 
+// OBSOLETE    - The user has explicitely requested to pass on the exceptions.
+// OBSOLETE    (e.g to the default unix exception handler, which maps
+// OBSOLETE    exceptions to signals, or the user has her own exception handler)
+// OBSOLETE 
+// OBSOLETE    - If the thread that signaled is being single-stepped and it
+// OBSOLETE    has set it's own exception port and the exception is not
+// OBSOLETE    EXC_BREAKPOINT. (Maybe this is not desirable?)
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE kern_return_t
+// OBSOLETE catch_exception_raise (mach_port_t port, thread_t thread, task_t task,
+// OBSOLETE 		       int exception, int code, int subcode)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   boolean_t signal_thread;
+// OBSOLETE   int mid = map_port_name_to_mid (thread, MACH_TYPE_THREAD);
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (thread))
+// OBSOLETE     {
+// OBSOLETE       /* If the exception was sent and thread dies before we
+// OBSOLETE          receive it, THREAD will be MACH_PORT_DEAD
+// OBSOLETE        */
+// OBSOLETE 
+// OBSOLETE       current_thread = thread = MACH_PORT_NULL;
+// OBSOLETE       error ("Received exception from nonexistent thread");
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* Check if the task died in transit.
+// OBSOLETE    * @@ Isn't the thread also invalid in such case?
+// OBSOLETE    */
+// OBSOLETE   if (!MACH_PORT_VALID (task))
+// OBSOLETE     {
+// OBSOLETE       current_thread = thread = MACH_PORT_NULL;
+// OBSOLETE       error ("Received exception from nonexistent task");
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (exception < 0 || exception > MAX_EXCEPTION)
+// OBSOLETE     internal_error (__FILE__, __LINE__,
+// OBSOLETE 		    "catch_exception_raise: unknown exception code %d thread %d",
+// OBSOLETE 		    exception,
+// OBSOLETE 		    mid);
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (inferior_task))
+// OBSOLETE     error ("got an exception, but inferior_task is null or dead");
+// OBSOLETE 
+// OBSOLETE   stop_exception = exception;
+// OBSOLETE   stop_code = code;
+// OBSOLETE   stop_subcode = subcode;
+// OBSOLETE   stop_thread = thread;
+// OBSOLETE 
+// OBSOLETE   signal_thread = exception != EXC_BREAKPOINT &&
+// OBSOLETE     port == singlestepped_thread_port &&
+// OBSOLETE     MACH_PORT_VALID (thread_saved_exception_port);
+// OBSOLETE 
+// OBSOLETE   /* If it was not our inferior or if we want to forward
+// OBSOLETE    * the exception to the inferior's handler, do it here
+// OBSOLETE    *
+// OBSOLETE    * Note: If you have forwarded EXC_BREAKPOINT I trust you know why.
+// OBSOLETE    */
+// OBSOLETE   if (task != inferior_task ||
+// OBSOLETE       signal_thread ||
+// OBSOLETE       exception_map[exception].forward)
+// OBSOLETE     {
+// OBSOLETE       mach_port_t eport = inferior_old_exception_port;
+// OBSOLETE 
+// OBSOLETE       if (signal_thread)
+// OBSOLETE 	{
+// OBSOLETE 	  /*
+// OBSOLETE 	     GDB now forwards the exeption to thread's original handler,
+// OBSOLETE 	     since the user propably knows what he is doing.
+// OBSOLETE 	     Give a message, though.
+// OBSOLETE 	   */
+// OBSOLETE 
+// OBSOLETE 	  mach3_exception_actions ((WAITTYPE *) NULL, TRUE, "Thread");
+// OBSOLETE 	  eport = thread_saved_exception_port;
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       /* Send the exception to the original handler */
+// OBSOLETE       ret = exception_raise (eport,
+// OBSOLETE 			     thread,
+// OBSOLETE 			     task,
+// OBSOLETE 			     exception,
+// OBSOLETE 			     code,
+// OBSOLETE 			     subcode);
+// OBSOLETE 
+// OBSOLETE       (void) mach_port_deallocate (mach_task_self (), task);
+// OBSOLETE       (void) mach_port_deallocate (mach_task_self (), thread);
+// OBSOLETE 
+// OBSOLETE       /* If we come here, we don't want to trace any more, since we
+// OBSOLETE        * will never stop for tracing anyway.
+// OBSOLETE        */
+// OBSOLETE       discard_single_step (thread);
+// OBSOLETE 
+// OBSOLETE       /* Do not stop the inferior */
+// OBSOLETE       return ret;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* Now gdb handles the exception */
+// OBSOLETE   stopped_in_exception = TRUE;
+// OBSOLETE 
+// OBSOLETE   ret = task_suspend (task);
+// OBSOLETE   CHK ("Error suspending inferior after exception", ret);
+// OBSOLETE 
+// OBSOLETE   must_suspend_thread = 0;
+// OBSOLETE 
+// OBSOLETE   if (current_thread != thread)
+// OBSOLETE     {
+// OBSOLETE       if (MACH_PORT_VALID (singlestepped_thread_port))
+// OBSOLETE 	/* Cleanup discards single stepping */
+// OBSOLETE 	error ("Exception from thread %d while singlestepping thread %d",
+// OBSOLETE 	       mid,
+// OBSOLETE 	       map_port_name_to_mid (current_thread, MACH_TYPE_THREAD));
+// OBSOLETE 
+// OBSOLETE       /* Then select the thread that caused the exception */
+// OBSOLETE       if (select_thread (inferior_task, mid, 0) != KERN_SUCCESS)
+// OBSOLETE 	error ("Could not select thread %d causing exception", mid);
+// OBSOLETE       else
+// OBSOLETE 	warning ("Gdb selected thread %d", mid);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* If we receive an exception that is not breakpoint
+// OBSOLETE    * exception, we interrupt the single step and return to
+// OBSOLETE    * debugger. Trace condition is cleared.
+// OBSOLETE    */
+// OBSOLETE   if (MACH_PORT_VALID (singlestepped_thread_port))
+// OBSOLETE     {
+// OBSOLETE       if (stop_exception != EXC_BREAKPOINT)
+// OBSOLETE 	warning ("Single step interrupted by exception");
+// OBSOLETE       else if (port == singlestepped_thread_port)
+// OBSOLETE 	{
+// OBSOLETE 	  /* Single step exception occurred, remove trace bit
+// OBSOLETE 	   * and return to gdb.
+// OBSOLETE 	   */
+// OBSOLETE 	  if (!MACH_PORT_VALID (current_thread))
+// OBSOLETE 	    error ("Single stepped thread is not valid");
+// OBSOLETE 
+// OBSOLETE 	  /* Resume threads, but leave the task suspended */
+// OBSOLETE 	  resume_all_threads (0);
+// OBSOLETE 	}
+// OBSOLETE       else
+// OBSOLETE 	warning ("Breakpoint while single stepping?");
+// OBSOLETE 
+// OBSOLETE       discard_single_step (current_thread);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   (void) mach_port_deallocate (mach_task_self (), task);
+// OBSOLETE   (void) mach_port_deallocate (mach_task_self (), thread);
+// OBSOLETE 
+// OBSOLETE   return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE int
+// OBSOLETE port_valid (mach_port_t port, int mask)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   mach_port_type_t type;
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_type (mach_task_self (),
+// OBSOLETE 			port,
+// OBSOLETE 			&type);
+// OBSOLETE   if (ret != KERN_SUCCESS || (type & mask) != mask)
+// OBSOLETE     return 0;
+// OBSOLETE   return 1;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* @@ No vm read cache implemented yet */
+// OBSOLETE boolean_t vm_read_cache_valid = FALSE;
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE  * Read inferior task's LEN bytes from ADDR and copy it to MYADDR
+// OBSOLETE  * in gdb's address space.
+// OBSOLETE  *
+// OBSOLETE  * Return 0 on failure; number of bytes read otherwise.
+// OBSOLETE  */
+// OBSOLETE int
+// OBSOLETE mach3_read_inferior (CORE_ADDR addr, char *myaddr, int length)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   vm_address_t low_address = (vm_address_t) trunc_page (addr);
+// OBSOLETE   vm_size_t aligned_length =
+// OBSOLETE   (vm_size_t) round_page (addr + length) - low_address;
+// OBSOLETE   pointer_t copied_memory;
+// OBSOLETE   int copy_count;
+// OBSOLETE 
+// OBSOLETE   /* Get memory from inferior with page aligned addresses */
+// OBSOLETE   ret = vm_read (inferior_task,
+// OBSOLETE 		 low_address,
+// OBSOLETE 		 aligned_length,
+// OBSOLETE 		 &copied_memory,
+// OBSOLETE 		 &copy_count);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     {
+// OBSOLETE       /* the problem is that the inferior might be killed for whatever reason
+// OBSOLETE        * before we go to mach_really_wait. This is one place that ought to
+// OBSOLETE        * catch many of those errors.
+// OBSOLETE        * @@ A better fix would be to make all external events to GDB
+// OBSOLETE        * to arrive via a SINGLE port set. (Including user input!)
+// OBSOLETE        */
+// OBSOLETE 
+// OBSOLETE       if (!port_valid (inferior_task, MACH_PORT_TYPE_SEND))
+// OBSOLETE 	{
+// OBSOLETE 	  m3_kill_inferior ();
+// OBSOLETE 	  error ("Inferior killed (task port invalid)");
+// OBSOLETE 	}
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE #ifdef OSF
+// OBSOLETE 	  extern int errno;
+// OBSOLETE 	  /* valprint.c gives nicer format if this does not
+// OBSOLETE 	     screw it. Eamonn seems to like this, so I enable
+// OBSOLETE 	     it if OSF is defined...
+// OBSOLETE 	   */
+// OBSOLETE 	  warning ("[read inferior %x failed: %s]",
+// OBSOLETE 		   addr, mach_error_string (ret));
+// OBSOLETE 	  errno = 0;
+// OBSOLETE #endif
+// OBSOLETE 	  return 0;
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   memcpy (myaddr, (char *) addr - low_address + copied_memory, length);
+// OBSOLETE 
+// OBSOLETE   ret = vm_deallocate (mach_task_self (),
+// OBSOLETE 		       copied_memory,
+// OBSOLETE 		       copy_count);
+// OBSOLETE   CHK ("mach3_read_inferior vm_deallocate failed", ret);
+// OBSOLETE 
+// OBSOLETE   return length;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #define CHK_GOTO_OUT(str,ret) \
+// OBSOLETE   do if (ret != KERN_SUCCESS) { errstr = #str; goto out; } while(0)
+// OBSOLETE 
+// OBSOLETE struct vm_region_list
+// OBSOLETE {
+// OBSOLETE   struct vm_region_list *next;
+// OBSOLETE   vm_prot_t protection;
+// OBSOLETE   vm_address_t start;
+// OBSOLETE   vm_size_t length;
+// OBSOLETE };
+// OBSOLETE 
+// OBSOLETE struct obstack region_obstack;
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE  * Write inferior task's LEN bytes from ADDR and copy it to MYADDR
+// OBSOLETE  * in gdb's address space.
+// OBSOLETE  */
+// OBSOLETE int
+// OBSOLETE mach3_write_inferior (CORE_ADDR addr, char *myaddr, int length)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   vm_address_t low_address = (vm_address_t) trunc_page (addr);
+// OBSOLETE   vm_size_t aligned_length =
+// OBSOLETE   (vm_size_t) round_page (addr + length) - low_address;
+// OBSOLETE   pointer_t copied_memory;
+// OBSOLETE   int copy_count;
+// OBSOLETE   int deallocate = 0;
+// OBSOLETE 
+// OBSOLETE   char *errstr = "Bug in mach3_write_inferior";
+// OBSOLETE 
+// OBSOLETE   struct vm_region_list *region_element;
+// OBSOLETE   struct vm_region_list *region_head = (struct vm_region_list *) NULL;
+// OBSOLETE 
+// OBSOLETE   /* Get memory from inferior with page aligned addresses */
+// OBSOLETE   ret = vm_read (inferior_task,
+// OBSOLETE 		 low_address,
+// OBSOLETE 		 aligned_length,
+// OBSOLETE 		 &copied_memory,
+// OBSOLETE 		 &copy_count);
+// OBSOLETE   CHK_GOTO_OUT ("mach3_write_inferior vm_read failed", ret);
+// OBSOLETE 
+// OBSOLETE   deallocate++;
+// OBSOLETE 
+// OBSOLETE   memcpy ((char *) addr - low_address + copied_memory, myaddr, length);
+// OBSOLETE 
+// OBSOLETE   obstack_init (&region_obstack);
+// OBSOLETE 
+// OBSOLETE   /* Do writes atomically.
+// OBSOLETE    * First check for holes and unwritable memory.
+// OBSOLETE    */
+// OBSOLETE   {
+// OBSOLETE     vm_size_t remaining_length = aligned_length;
+// OBSOLETE     vm_address_t region_address = low_address;
+// OBSOLETE 
+// OBSOLETE     struct vm_region_list *scan;
+// OBSOLETE 
+// OBSOLETE     while (region_address < low_address + aligned_length)
+// OBSOLETE       {
+// OBSOLETE 	vm_prot_t protection;
+// OBSOLETE 	vm_prot_t max_protection;
+// OBSOLETE 	vm_inherit_t inheritance;
+// OBSOLETE 	boolean_t shared;
+// OBSOLETE 	mach_port_t object_name;
+// OBSOLETE 	vm_offset_t offset;
+// OBSOLETE 	vm_size_t region_length = remaining_length;
+// OBSOLETE 	vm_address_t old_address = region_address;
+// OBSOLETE 
+// OBSOLETE 	ret = vm_region (inferior_task,
+// OBSOLETE 			 &region_address,
+// OBSOLETE 			 &region_length,
+// OBSOLETE 			 &protection,
+// OBSOLETE 			 &max_protection,
+// OBSOLETE 			 &inheritance,
+// OBSOLETE 			 &shared,
+// OBSOLETE 			 &object_name,
+// OBSOLETE 			 &offset);
+// OBSOLETE 	CHK_GOTO_OUT ("vm_region failed", ret);
+// OBSOLETE 
+// OBSOLETE 	/* Check for holes in memory */
+// OBSOLETE 	if (old_address != region_address)
+// OBSOLETE 	  {
+// OBSOLETE 	    warning ("No memory at 0x%x. Nothing written",
+// OBSOLETE 		     old_address);
+// OBSOLETE 	    ret = KERN_SUCCESS;
+// OBSOLETE 	    length = 0;
+// OBSOLETE 	    goto out;
+// OBSOLETE 	  }
+// OBSOLETE 
+// OBSOLETE 	if (!(max_protection & VM_PROT_WRITE))
+// OBSOLETE 	  {
+// OBSOLETE 	    warning ("Memory at address 0x%x is unwritable. Nothing written",
+// OBSOLETE 		     old_address);
+// OBSOLETE 	    ret = KERN_SUCCESS;
+// OBSOLETE 	    length = 0;
+// OBSOLETE 	    goto out;
+// OBSOLETE 	  }
+// OBSOLETE 
+// OBSOLETE 	/* Chain the regions for later use */
+// OBSOLETE 	region_element =
+// OBSOLETE 	  (struct vm_region_list *)
+// OBSOLETE 	  obstack_alloc (&region_obstack, sizeof (struct vm_region_list));
+// OBSOLETE 
+// OBSOLETE 	region_element->protection = protection;
+// OBSOLETE 	region_element->start = region_address;
+// OBSOLETE 	region_element->length = region_length;
+// OBSOLETE 
+// OBSOLETE 	/* Chain the regions along with protections */
+// OBSOLETE 	region_element->next = region_head;
+// OBSOLETE 	region_head = region_element;
+// OBSOLETE 
+// OBSOLETE 	region_address += region_length;
+// OBSOLETE 	remaining_length = remaining_length - region_length;
+// OBSOLETE       }
+// OBSOLETE 
+// OBSOLETE     /* If things fail after this, we give up.
+// OBSOLETE      * Somebody is messing up inferior_task's mappings.
+// OBSOLETE      */
+// OBSOLETE 
+// OBSOLETE     /* Enable writes to the chained vm regions */
+// OBSOLETE     for (scan = region_head; scan; scan = scan->next)
+// OBSOLETE       {
+// OBSOLETE 	boolean_t protection_changed = FALSE;
+// OBSOLETE 
+// OBSOLETE 	if (!(scan->protection & VM_PROT_WRITE))
+// OBSOLETE 	  {
+// OBSOLETE 	    ret = vm_protect (inferior_task,
+// OBSOLETE 			      scan->start,
+// OBSOLETE 			      scan->length,
+// OBSOLETE 			      FALSE,
+// OBSOLETE 			      scan->protection | VM_PROT_WRITE);
+// OBSOLETE 	    CHK_GOTO_OUT ("vm_protect: enable write failed", ret);
+// OBSOLETE 	  }
+// OBSOLETE       }
+// OBSOLETE 
+// OBSOLETE     ret = vm_write (inferior_task,
+// OBSOLETE 		    low_address,
+// OBSOLETE 		    copied_memory,
+// OBSOLETE 		    aligned_length);
+// OBSOLETE     CHK_GOTO_OUT ("vm_write failed", ret);
+// OBSOLETE 
+// OBSOLETE     /* Set up the original region protections, if they were changed */
+// OBSOLETE     for (scan = region_head; scan; scan = scan->next)
+// OBSOLETE       {
+// OBSOLETE 	boolean_t protection_changed = FALSE;
+// OBSOLETE 
+// OBSOLETE 	if (!(scan->protection & VM_PROT_WRITE))
+// OBSOLETE 	  {
+// OBSOLETE 	    ret = vm_protect (inferior_task,
+// OBSOLETE 			      scan->start,
+// OBSOLETE 			      scan->length,
+// OBSOLETE 			      FALSE,
+// OBSOLETE 			      scan->protection);
+// OBSOLETE 	    CHK_GOTO_OUT ("vm_protect: enable write failed", ret);
+// OBSOLETE 	  }
+// OBSOLETE       }
+// OBSOLETE   }
+// OBSOLETE 
+// OBSOLETE out:
+// OBSOLETE   if (deallocate)
+// OBSOLETE     {
+// OBSOLETE       obstack_free (&region_obstack, 0);
+// OBSOLETE 
+// OBSOLETE       (void) vm_deallocate (mach_task_self (),
+// OBSOLETE 			    copied_memory,
+// OBSOLETE 			    copy_count);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     {
+// OBSOLETE       warning ("%s %s", errstr, mach_error_string (ret));
+// OBSOLETE       return 0;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   return length;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Return 0 on failure, number of bytes handled otherwise.  TARGET is
+// OBSOLETE    ignored. */
+// OBSOLETE static int
+// OBSOLETE m3_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+// OBSOLETE 		struct target_ops *target)
+// OBSOLETE {
+// OBSOLETE   int result;
+// OBSOLETE 
+// OBSOLETE   if (write)
+// OBSOLETE     result = mach3_write_inferior (memaddr, myaddr, len);
+// OBSOLETE   else
+// OBSOLETE     result = mach3_read_inferior (memaddr, myaddr, len);
+// OBSOLETE 
+// OBSOLETE   return result;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE static char *
+// OBSOLETE translate_state (int state)
+// OBSOLETE {
+// OBSOLETE   switch (state)
+// OBSOLETE     {
+// OBSOLETE     case TH_STATE_RUNNING:
+// OBSOLETE       return ("R");
+// OBSOLETE     case TH_STATE_STOPPED:
+// OBSOLETE       return ("S");
+// OBSOLETE     case TH_STATE_WAITING:
+// OBSOLETE       return ("W");
+// OBSOLETE     case TH_STATE_UNINTERRUPTIBLE:
+// OBSOLETE       return ("U");
+// OBSOLETE     case TH_STATE_HALTED:
+// OBSOLETE       return ("H");
+// OBSOLETE     default:
+// OBSOLETE       return ("?");
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static char *
+// OBSOLETE translate_cstate (int state)
+// OBSOLETE {
+// OBSOLETE   switch (state)
+// OBSOLETE     {
+// OBSOLETE     case CPROC_RUNNING:
+// OBSOLETE       return "R";
+// OBSOLETE     case CPROC_SWITCHING:
+// OBSOLETE       return "S";
+// OBSOLETE     case CPROC_BLOCKED:
+// OBSOLETE       return "B";
+// OBSOLETE     case CPROC_CONDWAIT:
+// OBSOLETE       return "C";
+// OBSOLETE     case CPROC_CONDWAIT | CPROC_SWITCHING:
+// OBSOLETE       return "CS";
+// OBSOLETE     default:
+// OBSOLETE       return "?";
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* type == MACH_MSG_TYPE_COPY_SEND || type == MACH_MSG_TYPE_MAKE_SEND */
+// OBSOLETE 
+// OBSOLETE mach_port_t			/* no mach_port_name_t found in include files. */
+// OBSOLETE map_inferior_port_name (mach_port_t inferior_name, mach_msg_type_name_t type)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   mach_msg_type_name_t acquired;
+// OBSOLETE   mach_port_t iport;
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_extract_right (inferior_task,
+// OBSOLETE 				 inferior_name,
+// OBSOLETE 				 type,
+// OBSOLETE 				 &iport,
+// OBSOLETE 				 &acquired);
+// OBSOLETE   CHK ("mach_port_extract_right (map_inferior_port_name)", ret);
+// OBSOLETE 
+// OBSOLETE   if (acquired != MACH_MSG_TYPE_PORT_SEND)
+// OBSOLETE     error ("Incorrect right extracted, (map_inferior_port_name)");
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_deallocate (mach_task_self (),
+// OBSOLETE 			      iport);
+// OBSOLETE   CHK ("Deallocating mapped port (map_inferior_port_name)", ret);
+// OBSOLETE 
+// OBSOLETE   return iport;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE  * Naming convention:
+// OBSOLETE  *  Always return user defined name if found.
+// OBSOLETE  *  _K == A kernel thread with no matching CPROC
+// OBSOLETE  *  _C == A cproc with no current cthread
+// OBSOLETE  *  _t == A cthread with no user defined name
+// OBSOLETE  *
+// OBSOLETE  * The digits that follow the _names are the SLOT number of the
+// OBSOLETE  * kernel thread if there is such a thing, otherwise just a negation
+// OBSOLETE  * of the sequential number of such cprocs.
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE static char buf[7];
+// OBSOLETE 
+// OBSOLETE static char *
+// OBSOLETE get_thread_name (gdb_thread_t one_cproc, int id)
+// OBSOLETE {
+// OBSOLETE   if (one_cproc)
+// OBSOLETE     if (one_cproc->cthread == NULL)
+// OBSOLETE       {
+// OBSOLETE 	/* cproc not mapped to any cthread */
+// OBSOLETE 	sprintf (buf, "_C%d", id);
+// OBSOLETE       }
+// OBSOLETE     else if (!one_cproc->cthread->name)
+// OBSOLETE       {
+// OBSOLETE 	/* cproc and cthread, but no name */
+// OBSOLETE 	sprintf (buf, "_t%d", id);
+// OBSOLETE       }
+// OBSOLETE     else
+// OBSOLETE       return (char *) (one_cproc->cthread->name);
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       if (id < 0)
+// OBSOLETE 	warning ("Inconsistency in thread name id %d", id);
+// OBSOLETE 
+// OBSOLETE       /* Kernel thread without cproc */
+// OBSOLETE       sprintf (buf, "_K%d", id);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   return buf;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE int
+// OBSOLETE fetch_thread_info (mach_port_t task, gdb_thread_t *mthreads_out)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   thread_array_t th_table;
+// OBSOLETE   int th_count;
+// OBSOLETE   gdb_thread_t mthreads = NULL;
+// OBSOLETE   int index;
+// OBSOLETE 
+// OBSOLETE   ret = task_threads (task, &th_table, &th_count);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     {
+// OBSOLETE       warning ("Error getting inferior's thread list:%s",
+// OBSOLETE 	       mach_error_string (ret));
+// OBSOLETE       m3_kill_inferior ();
+// OBSOLETE       return -1;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   mthreads = (gdb_thread_t)
+// OBSOLETE     obstack_alloc
+// OBSOLETE     (cproc_obstack,
+// OBSOLETE      th_count * sizeof (struct gdb_thread));
+// OBSOLETE 
+// OBSOLETE   for (index = 0; index < th_count; index++)
+// OBSOLETE     {
+// OBSOLETE       thread_t saved_thread = MACH_PORT_NULL;
+// OBSOLETE       int mid;
+// OBSOLETE 
+// OBSOLETE       if (must_suspend_thread)
+// OBSOLETE 	setup_thread (th_table[index], 1);
+// OBSOLETE 
+// OBSOLETE       if (th_table[index] != current_thread)
+// OBSOLETE 	{
+// OBSOLETE 	  saved_thread = current_thread;
+// OBSOLETE 
+// OBSOLETE 	  mid = switch_to_thread (th_table[index]);
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       mthreads[index].name = th_table[index];
+// OBSOLETE       mthreads[index].cproc = NULL;	/* map_cprocs_to_kernel_threads() */
+// OBSOLETE       mthreads[index].in_emulator = FALSE;
+// OBSOLETE       mthreads[index].slotid = index;
+// OBSOLETE 
+// OBSOLETE       mthreads[index].sp = read_register (SP_REGNUM);
+// OBSOLETE       mthreads[index].fp = read_register (FP_REGNUM);
+// OBSOLETE       mthreads[index].pc = read_pc ();
+// OBSOLETE 
+// OBSOLETE       if (MACH_PORT_VALID (saved_thread))
+// OBSOLETE 	mid = switch_to_thread (saved_thread);
+// OBSOLETE 
+// OBSOLETE       if (must_suspend_thread)
+// OBSOLETE 	setup_thread (th_table[index], 0);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   consume_send_rights (th_table, th_count);
+// OBSOLETE   ret = vm_deallocate (mach_task_self (), (vm_address_t) th_table,
+// OBSOLETE 		       (th_count * sizeof (mach_port_t)));
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     {
+// OBSOLETE       warning ("Error trying to deallocate thread list : %s",
+// OBSOLETE 	       mach_error_string (ret));
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   *mthreads_out = mthreads;
+// OBSOLETE 
+// OBSOLETE   return th_count;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE  * Current emulator always saves the USP on top of
+// OBSOLETE  * emulator stack below struct emul_stack_top stuff.
+// OBSOLETE  */
+// OBSOLETE CORE_ADDR
+// OBSOLETE fetch_usp_from_emulator_stack (CORE_ADDR sp)
+// OBSOLETE {
+// OBSOLETE   CORE_ADDR stack_pointer;
+// OBSOLETE 
+// OBSOLETE   sp = (sp & ~(EMULATOR_STACK_SIZE - 1)) +
+// OBSOLETE     EMULATOR_STACK_SIZE - sizeof (struct emul_stack_top);
+// OBSOLETE 
+// OBSOLETE   if (mach3_read_inferior (sp,
+// OBSOLETE 			   &stack_pointer,
+// OBSOLETE 			   sizeof (CORE_ADDR)) != sizeof (CORE_ADDR))
+// OBSOLETE     {
+// OBSOLETE       warning ("Can't read user sp from emulator stack address 0x%x", sp);
+// OBSOLETE       return 0;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   return stack_pointer;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #ifdef MK67
+// OBSOLETE 
+// OBSOLETE /* get_emulation_vector() interface was changed after mk67 */
+// OBSOLETE #define EMUL_VECTOR_COUNT 400	/* Value does not matter too much */
+// OBSOLETE 
+// OBSOLETE #endif /* MK67 */
+// OBSOLETE 
+// OBSOLETE /* Check if the emulator exists at task's address space.
+// OBSOLETE  */
+// OBSOLETE boolean_t
+// OBSOLETE have_emulator_p (task_t task)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE #ifndef EMUL_VECTOR_COUNT
+// OBSOLETE   vm_offset_t *emulation_vector;
+// OBSOLETE   int n;
+// OBSOLETE #else
+// OBSOLETE   vm_offset_t emulation_vector[EMUL_VECTOR_COUNT];
+// OBSOLETE   int n = EMUL_VECTOR_COUNT;
+// OBSOLETE #endif
+// OBSOLETE   int i;
+// OBSOLETE   int vector_start;
+// OBSOLETE 
+// OBSOLETE   ret = task_get_emulation_vector (task,
+// OBSOLETE 				   &vector_start,
+// OBSOLETE #ifndef EMUL_VECTOR_COUNT
+// OBSOLETE 				   &emulation_vector,
+// OBSOLETE #else
+// OBSOLETE 				   emulation_vector,
+// OBSOLETE #endif
+// OBSOLETE 				   &n);
+// OBSOLETE   CHK ("task_get_emulation_vector", ret);
+// OBSOLETE   xx_debug ("%d vectors from %d at 0x%08x\n",
+// OBSOLETE 	    n, vector_start, emulation_vector);
+// OBSOLETE 
+// OBSOLETE   for (i = 0; i < n; i++)
+// OBSOLETE     {
+// OBSOLETE       vm_offset_t entry = emulation_vector[i];
+// OBSOLETE 
+// OBSOLETE       if (EMULATOR_BASE <= entry && entry <= EMULATOR_END)
+// OBSOLETE 	return TRUE;
+// OBSOLETE       else if (entry)
+// OBSOLETE 	{
+// OBSOLETE 	  static boolean_t informed = FALSE;
+// OBSOLETE 	  if (!informed)
+// OBSOLETE 	    {
+// OBSOLETE 	      warning ("Emulation vector address 0x08%x outside emulator space",
+// OBSOLETE 		       entry);
+// OBSOLETE 	      informed = TRUE;
+// OBSOLETE 	    }
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE   return FALSE;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Map cprocs to kernel threads and vice versa.  */
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE map_cprocs_to_kernel_threads (gdb_thread_t cprocs, gdb_thread_t mthreads,
+// OBSOLETE 			      int thread_count)
+// OBSOLETE {
+// OBSOLETE   int index;
+// OBSOLETE   gdb_thread_t scan;
+// OBSOLETE   boolean_t all_mapped = TRUE;
+// OBSOLETE   LONGEST stack_base;
+// OBSOLETE   LONGEST stack_size;
+// OBSOLETE 
+// OBSOLETE   for (scan = cprocs; scan; scan = scan->next)
+// OBSOLETE     {
+// OBSOLETE       /* Default to: no kernel thread for this cproc */
+// OBSOLETE       scan->reverse_map = -1;
+// OBSOLETE 
+// OBSOLETE       /* Check if the cproc is found by its stack */
+// OBSOLETE       for (index = 0; index < thread_count; index++)
+// OBSOLETE 	{
+// OBSOLETE 	  stack_base =
+// OBSOLETE 	    extract_signed_integer (scan->raw_cproc + CPROC_BASE_OFFSET,
+// OBSOLETE 				    CPROC_BASE_SIZE);
+// OBSOLETE 	  stack_size =
+// OBSOLETE 	    extract_signed_integer (scan->raw_cproc + CPROC_SIZE_OFFSET,
+// OBSOLETE 				    CPROC_SIZE_SIZE);
+// OBSOLETE 	  if ((mthreads + index)->sp > stack_base &&
+// OBSOLETE 	      (mthreads + index)->sp <= stack_base + stack_size)
+// OBSOLETE 	    {
+// OBSOLETE 	      (mthreads + index)->cproc = scan;
+// OBSOLETE 	      scan->reverse_map = index;
+// OBSOLETE 	      break;
+// OBSOLETE 	    }
+// OBSOLETE 	}
+// OBSOLETE       all_mapped &= (scan->reverse_map != -1);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* Check for threads that are currently in the emulator.
+// OBSOLETE    * If so, they have a different stack, and the still unmapped
+// OBSOLETE    * cprocs may well get mapped to these threads.
+// OBSOLETE    * 
+// OBSOLETE    * If:
+// OBSOLETE    *  - cproc stack does not match any kernel thread stack pointer
+// OBSOLETE    *  - there is at least one extra kernel thread
+// OBSOLETE    *    that has no cproc mapped above.
+// OBSOLETE    *  - some kernel thread stack pointer points to emulator space
+// OBSOLETE    *  then we find the user stack pointer saved in the emulator
+// OBSOLETE    *  stack, and try to map that to the cprocs.
+// OBSOLETE    *
+// OBSOLETE    * Also set in_emulator for kernel threads.
+// OBSOLETE    */
+// OBSOLETE 
+// OBSOLETE   if (emulator_present)
+// OBSOLETE     {
+// OBSOLETE       for (index = 0; index < thread_count; index++)
+// OBSOLETE 	{
+// OBSOLETE 	  CORE_ADDR emul_sp;
+// OBSOLETE 	  CORE_ADDR usp;
+// OBSOLETE 
+// OBSOLETE 	  gdb_thread_t mthread = (mthreads + index);
+// OBSOLETE 	  emul_sp = mthread->sp;
+// OBSOLETE 
+// OBSOLETE 	  if (mthread->cproc == NULL &&
+// OBSOLETE 	      EMULATOR_BASE <= emul_sp && emul_sp <= EMULATOR_END)
+// OBSOLETE 	    {
+// OBSOLETE 	      mthread->in_emulator = emulator_present;
+// OBSOLETE 
+// OBSOLETE 	      if (!all_mapped && cprocs)
+// OBSOLETE 		{
+// OBSOLETE 		  usp = fetch_usp_from_emulator_stack (emul_sp);
+// OBSOLETE 
+// OBSOLETE 		  /* @@ Could be more accurate */
+// OBSOLETE 		  if (!usp)
+// OBSOLETE 		    error ("Zero stack pointer read from emulator?");
+// OBSOLETE 
+// OBSOLETE 		  /* Try to match this stack pointer to the cprocs that
+// OBSOLETE 		   * don't yet have a kernel thread.
+// OBSOLETE 		   */
+// OBSOLETE 		  for (scan = cprocs; scan; scan = scan->next)
+// OBSOLETE 		    {
+// OBSOLETE 
+// OBSOLETE 		      /* Check is this unmapped CPROC stack contains
+// OBSOLETE 		       * the user stack pointer saved in the
+// OBSOLETE 		       * emulator.
+// OBSOLETE 		       */
+// OBSOLETE 		      if (scan->reverse_map == -1)
+// OBSOLETE 			{
+// OBSOLETE 			  stack_base =
+// OBSOLETE 			    extract_signed_integer
+// OBSOLETE 			    (scan->raw_cproc + CPROC_BASE_OFFSET,
+// OBSOLETE 			     CPROC_BASE_SIZE);
+// OBSOLETE 			  stack_size =
+// OBSOLETE 			    extract_signed_integer
+// OBSOLETE 			    (scan->raw_cproc + CPROC_SIZE_OFFSET,
+// OBSOLETE 			     CPROC_SIZE_SIZE);
+// OBSOLETE 			  if (usp > stack_base &&
+// OBSOLETE 			      usp <= stack_base + stack_size)
+// OBSOLETE 			    {
+// OBSOLETE 			      mthread->cproc = scan;
+// OBSOLETE 			      scan->reverse_map = index;
+// OBSOLETE 			      break;
+// OBSOLETE 			    }
+// OBSOLETE 			}
+// OBSOLETE 		    }
+// OBSOLETE 		}
+// OBSOLETE 	    }
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE  * Format of the thread_list command
+// OBSOLETE  *
+// OBSOLETE  *                   slot mid sel   name  emul ks susp  cstate wired   address
+// OBSOLETE  */
+// OBSOLETE #define TL_FORMAT "%-2.2s %5d%c %-10.10s %1.1s%s%-5.5s %-2.2s %-5.5s "
+// OBSOLETE 
+// OBSOLETE #define TL_HEADER "\n@    MID  Name        KState CState   Where\n"
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE print_tl_address (struct ui_file *stream, CORE_ADDR pc)
+// OBSOLETE {
+// OBSOLETE   if (!lookup_minimal_symbol_by_pc (pc))
+// OBSOLETE     fprintf_filtered (stream, local_hex_format (), pc);
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       extern int addressprint;
+// OBSOLETE       extern int asm_demangle;
+// OBSOLETE 
+// OBSOLETE       int store = addressprint;
+// OBSOLETE       addressprint = 0;
+// OBSOLETE       print_address_symbolic (pc, stream, asm_demangle, "");
+// OBSOLETE       addressprint = store;
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* For thread names, but also for gdb_message_port external name */
+// OBSOLETE #define MAX_NAME_LEN 50
+// OBSOLETE 
+// OBSOLETE /* Returns the address of variable NAME or 0 if not found */
+// OBSOLETE CORE_ADDR
+// OBSOLETE lookup_address_of_variable (char *name)
+// OBSOLETE {
+// OBSOLETE   struct symbol *sym;
+// OBSOLETE   CORE_ADDR symaddr = 0;
+// OBSOLETE   struct minimal_symbol *msymbol;
+// OBSOLETE 
+// OBSOLETE   sym = lookup_symbol (name,
+// OBSOLETE 		       (struct block *) NULL,
+// OBSOLETE 		       VAR_NAMESPACE,
+// OBSOLETE 		       (int *) NULL,
+// OBSOLETE 		       (struct symtab **) NULL);
+// OBSOLETE 
+// OBSOLETE   if (sym)
+// OBSOLETE     symaddr = SYMBOL_VALUE (sym);
+// OBSOLETE 
+// OBSOLETE   if (!symaddr)
+// OBSOLETE     {
+// OBSOLETE       msymbol = lookup_minimal_symbol (name, NULL, NULL);
+// OBSOLETE 
+// OBSOLETE       if (msymbol && msymbol->type == mst_data)
+// OBSOLETE 	symaddr = SYMBOL_VALUE_ADDRESS (msymbol);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   return symaddr;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static gdb_thread_t
+// OBSOLETE get_cprocs (void)
+// OBSOLETE {
+// OBSOLETE   gdb_thread_t cproc_head;
+// OBSOLETE   gdb_thread_t cproc_copy;
+// OBSOLETE   CORE_ADDR their_cprocs;
+// OBSOLETE   char *buf;
+// OBSOLETE   char *name;
+// OBSOLETE   cthread_t cthread;
+// OBSOLETE   CORE_ADDR symaddr;
+// OBSOLETE 
+// OBSOLETE   buf = alloca (TARGET_PTR_BIT / HOST_CHAR_BIT);
+// OBSOLETE   symaddr = lookup_address_of_variable ("cproc_list");
+// OBSOLETE 
+// OBSOLETE   if (!symaddr)
+// OBSOLETE     {
+// OBSOLETE       /* cproc_list is not in a file compiled with debugging
+// OBSOLETE          symbols, but don't give up yet */
+// OBSOLETE 
+// OBSOLETE       symaddr = lookup_address_of_variable ("cprocs");
+// OBSOLETE 
+// OBSOLETE       if (symaddr)
+// OBSOLETE 	{
+// OBSOLETE 	  static int informed = 0;
+// OBSOLETE 	  if (!informed)
+// OBSOLETE 	    {
+// OBSOLETE 	      informed++;
+// OBSOLETE 	      warning ("Your program is loaded with an old threads library.");
+// OBSOLETE 	      warning ("GDB does not know the old form of threads");
+// OBSOLETE 	      warning ("so things may not work.");
+// OBSOLETE 	    }
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* Stripped or no -lthreads loaded or "cproc_list" is in wrong segment. */
+// OBSOLETE   if (!symaddr)
+// OBSOLETE     return NULL;
+// OBSOLETE 
+// OBSOLETE   /* Get the address of the first cproc in the task */
+// OBSOLETE   if (!mach3_read_inferior (symaddr,
+// OBSOLETE 			    buf,
+// OBSOLETE 			    TARGET_PTR_BIT / HOST_CHAR_BIT))
+// OBSOLETE     error ("Can't read cproc master list at address (0x%x).", symaddr);
+// OBSOLETE   their_cprocs = extract_address (buf, TARGET_PTR_BIT / HOST_CHAR_BIT);
+// OBSOLETE 
+// OBSOLETE   /* Scan the CPROCs in the task.
+// OBSOLETE      CPROCs are chained with LIST field, not NEXT field, which
+// OBSOLETE      chains mutexes, condition variables and queues */
+// OBSOLETE 
+// OBSOLETE   cproc_head = NULL;
+// OBSOLETE 
+// OBSOLETE   while (their_cprocs != (CORE_ADDR) 0)
+// OBSOLETE     {
+// OBSOLETE       CORE_ADDR cproc_copy_incarnation;
+// OBSOLETE       cproc_copy = (gdb_thread_t) obstack_alloc (cproc_obstack,
+// OBSOLETE 						 sizeof (struct gdb_thread));
+// OBSOLETE 
+// OBSOLETE       if (!mach3_read_inferior (their_cprocs,
+// OBSOLETE 				&cproc_copy->raw_cproc[0],
+// OBSOLETE 				CPROC_SIZE))
+// OBSOLETE 	error ("Can't read next cproc at 0x%x.", their_cprocs);
+// OBSOLETE 
+// OBSOLETE       their_cprocs =
+// OBSOLETE 	extract_address (cproc_copy->raw_cproc + CPROC_LIST_OFFSET,
+// OBSOLETE 			 CPROC_LIST_SIZE);
+// OBSOLETE       cproc_copy_incarnation =
+// OBSOLETE 	extract_address (cproc_copy->raw_cproc + CPROC_INCARNATION_OFFSET,
+// OBSOLETE 			 CPROC_INCARNATION_SIZE);
+// OBSOLETE 
+// OBSOLETE       if (cproc_copy_incarnation == (CORE_ADDR) 0)
+// OBSOLETE 	cproc_copy->cthread = NULL;
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  /* This CPROC has an attached CTHREAD. Get its name */
+// OBSOLETE 	  cthread = (cthread_t) obstack_alloc (cproc_obstack,
+// OBSOLETE 					       sizeof (struct cthread));
+// OBSOLETE 
+// OBSOLETE 	  if (!mach3_read_inferior (cproc_copy_incarnation,
+// OBSOLETE 				    cthread,
+// OBSOLETE 				    sizeof (struct cthread)))
+// OBSOLETE 	      error ("Can't read next thread at 0x%x.",
+// OBSOLETE 		     cproc_copy_incarnation);
+// OBSOLETE 
+// OBSOLETE 	  cproc_copy->cthread = cthread;
+// OBSOLETE 
+// OBSOLETE 	  if (cthread->name)
+// OBSOLETE 	    {
+// OBSOLETE 	      name = (char *) obstack_alloc (cproc_obstack, MAX_NAME_LEN);
+// OBSOLETE 
+// OBSOLETE 	      if (!mach3_read_inferior (cthread->name, name, MAX_NAME_LEN))
+// OBSOLETE 		error ("Can't read next thread's name at 0x%x.", cthread->name);
+// OBSOLETE 
+// OBSOLETE 	      cthread->name = name;
+// OBSOLETE 	    }
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       /* insert in front */
+// OBSOLETE       cproc_copy->next = cproc_head;
+// OBSOLETE       cproc_head = cproc_copy;
+// OBSOLETE     }
+// OBSOLETE   return cproc_head;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #ifndef FETCH_CPROC_STATE
+// OBSOLETE /*
+// OBSOLETE  * Check if your machine does not grok the way this routine
+// OBSOLETE  * fetches the FP,PC and SP of a cproc that is not
+// OBSOLETE  * currently attached to any kernel thread (e.g. its cproc.context
+// OBSOLETE  * field points to the place in stack where the context
+// OBSOLETE  * is saved).
+// OBSOLETE  *
+// OBSOLETE  * If it doesn't, define your own routine.
+// OBSOLETE  */
+// OBSOLETE #define FETCH_CPROC_STATE(mth) mach3_cproc_state (mth)
+// OBSOLETE 
+// OBSOLETE int
+// OBSOLETE mach3_cproc_state (gdb_thread_t mthread)
+// OBSOLETE {
+// OBSOLETE   int context;
+// OBSOLETE 
+// OBSOLETE   if (!mthread || !mthread->cproc)
+// OBSOLETE     return -1;
+// OBSOLETE 
+// OBSOLETE   context = extract_signed_integer
+// OBSOLETE     (mthread->cproc->raw_cproc + CPROC_CONTEXT_OFFSET,
+// OBSOLETE      CPROC_CONTEXT_SIZE);
+// OBSOLETE   if (context == 0)
+// OBSOLETE     return -1;
+// OBSOLETE 
+// OBSOLETE   mthread->sp = context + MACHINE_CPROC_SP_OFFSET;
+// OBSOLETE 
+// OBSOLETE   if (mach3_read_inferior (context + MACHINE_CPROC_PC_OFFSET,
+// OBSOLETE 			   &mthread->pc,
+// OBSOLETE 			   sizeof (CORE_ADDR)) != sizeof (CORE_ADDR))
+// OBSOLETE     {
+// OBSOLETE       warning ("Can't read cproc pc from inferior");
+// OBSOLETE       return -1;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (mach3_read_inferior (context + MACHINE_CPROC_FP_OFFSET,
+// OBSOLETE 			   &mthread->fp,
+// OBSOLETE 			   sizeof (CORE_ADDR)) != sizeof (CORE_ADDR))
+// OBSOLETE     {
+// OBSOLETE       warning ("Can't read cproc fp from inferior");
+// OBSOLETE       return -1;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   return 0;
+// OBSOLETE }
+// OBSOLETE #endif /* FETCH_CPROC_STATE */
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE thread_list_command (void)
+// OBSOLETE {
+// OBSOLETE   thread_basic_info_data_t ths;
+// OBSOLETE   int thread_count;
+// OBSOLETE   gdb_thread_t cprocs;
+// OBSOLETE   gdb_thread_t scan;
+// OBSOLETE   int index;
+// OBSOLETE   char *name;
+// OBSOLETE   char selected;
+// OBSOLETE   char *wired;
+// OBSOLETE   int infoCnt;
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   mach_port_t mid_or_port;
+// OBSOLETE   gdb_thread_t their_threads;
+// OBSOLETE   gdb_thread_t kthread;
+// OBSOLETE 
+// OBSOLETE   int neworder = 1;
+// OBSOLETE 
+// OBSOLETE   char *fmt = "There are %d kernel threads in task %d.\n";
+// OBSOLETE 
+// OBSOLETE   int tmid = map_port_name_to_mid (inferior_task, MACH_TYPE_TASK);
+// OBSOLETE 
+// OBSOLETE   MACH_ERROR_NO_INFERIOR;
+// OBSOLETE 
+// OBSOLETE   thread_count = fetch_thread_info (inferior_task,
+// OBSOLETE 				    &their_threads);
+// OBSOLETE   if (thread_count == -1)
+// OBSOLETE     return;
+// OBSOLETE 
+// OBSOLETE   if (thread_count == 1)
+// OBSOLETE     fmt = "There is %d kernel thread in task %d.\n";
+// OBSOLETE 
+// OBSOLETE   printf_filtered (fmt, thread_count, tmid);
+// OBSOLETE 
+// OBSOLETE   puts_filtered (TL_HEADER);
+// OBSOLETE 
+// OBSOLETE   cprocs = get_cprocs ();
+// OBSOLETE 
+// OBSOLETE   map_cprocs_to_kernel_threads (cprocs, their_threads, thread_count);
+// OBSOLETE 
+// OBSOLETE   for (scan = cprocs; scan; scan = scan->next)
+// OBSOLETE     {
+// OBSOLETE       int mid;
+// OBSOLETE       char buf[10];
+// OBSOLETE       char slot[3];
+// OBSOLETE       int cproc_state =
+// OBSOLETE       extract_signed_integer
+// OBSOLETE       (scan->raw_cproc + CPROC_STATE_OFFSET, CPROC_STATE_SIZE);
+// OBSOLETE 
+// OBSOLETE       selected = ' ';
+// OBSOLETE 
+// OBSOLETE       /* a wired cproc? */
+// OBSOLETE       wired = (extract_address (scan->raw_cproc + CPROC_WIRED_OFFSET,
+// OBSOLETE 				CPROC_WIRED_SIZE)
+// OBSOLETE 	       ? "wired" : "");
+// OBSOLETE 
+// OBSOLETE       if (scan->reverse_map != -1)
+// OBSOLETE 	kthread = (their_threads + scan->reverse_map);
+// OBSOLETE       else
+// OBSOLETE 	kthread = NULL;
+// OBSOLETE 
+// OBSOLETE       if (kthread)
+// OBSOLETE 	{
+// OBSOLETE 	  /* These cprocs have a kernel thread */
+// OBSOLETE 
+// OBSOLETE 	  mid = map_port_name_to_mid (kthread->name, MACH_TYPE_THREAD);
+// OBSOLETE 
+// OBSOLETE 	  infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE 
+// OBSOLETE 	  ret = thread_info (kthread->name,
+// OBSOLETE 			     THREAD_BASIC_INFO,
+// OBSOLETE 			     (thread_info_t) & ths,
+// OBSOLETE 			     &infoCnt);
+// OBSOLETE 
+// OBSOLETE 	  if (ret != KERN_SUCCESS)
+// OBSOLETE 	    {
+// OBSOLETE 	      warning ("Unable to get basic info on thread %d : %s",
+// OBSOLETE 		       mid,
+// OBSOLETE 		       mach_error_string (ret));
+// OBSOLETE 	      continue;
+// OBSOLETE 	    }
+// OBSOLETE 
+// OBSOLETE 	  /* Who is the first to have more than 100 threads */
+// OBSOLETE 	  sprintf (slot, "%d", kthread->slotid % 100);
+// OBSOLETE 
+// OBSOLETE 	  if (kthread->name == current_thread)
+// OBSOLETE 	    selected = '*';
+// OBSOLETE 
+// OBSOLETE 	  if (ths.suspend_count)
+// OBSOLETE 	    sprintf (buf, "%d", ths.suspend_count);
+// OBSOLETE 	  else
+// OBSOLETE 	    buf[0] = '\000';
+// OBSOLETE 
+// OBSOLETE #if 0
+// OBSOLETE 	  if (ths.flags & TH_FLAGS_SWAPPED)
+// OBSOLETE 	    strcat (buf, "S");
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE 	  if (ths.flags & TH_FLAGS_IDLE)
+// OBSOLETE 	    strcat (buf, "I");
+// OBSOLETE 
+// OBSOLETE 	  printf_filtered (TL_FORMAT,
+// OBSOLETE 			   slot,
+// OBSOLETE 			   mid,
+// OBSOLETE 			   selected,
+// OBSOLETE 			   get_thread_name (scan, kthread->slotid),
+// OBSOLETE 			   kthread->in_emulator ? "E" : "",
+// OBSOLETE 			   translate_state (ths.run_state),
+// OBSOLETE 			   buf,
+// OBSOLETE 			   translate_cstate (cproc_state),
+// OBSOLETE 			   wired);
+// OBSOLETE 	  print_tl_address (gdb_stdout, kthread->pc);
+// OBSOLETE 	}
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  /* These cprocs don't have a kernel thread.
+// OBSOLETE 	   * find out the calling frame with 
+// OBSOLETE 	   * FETCH_CPROC_STATE.
+// OBSOLETE 	   */
+// OBSOLETE 
+// OBSOLETE 	  struct gdb_thread state;
+// OBSOLETE 
+// OBSOLETE #if 0
+// OBSOLETE 	  /* jtv -> emcmanus: why do you want this here? */
+// OBSOLETE 	  if (scan->incarnation == NULL)
+// OBSOLETE 	    continue;		/* EMcM */
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE 	  printf_filtered (TL_FORMAT,
+// OBSOLETE 			   "-",
+// OBSOLETE 			   -neworder,	/* Pseudo MID */
+// OBSOLETE 			   selected,
+// OBSOLETE 			   get_thread_name (scan, -neworder),
+// OBSOLETE 			   "",
+// OBSOLETE 			   "-",	/* kernel state */
+// OBSOLETE 			   "",
+// OBSOLETE 			   translate_cstate (cproc_state),
+// OBSOLETE 			   "");
+// OBSOLETE 	  state.cproc = scan;
+// OBSOLETE 
+// OBSOLETE 	  if (FETCH_CPROC_STATE (&state) == -1)
+// OBSOLETE 	    puts_filtered ("???");
+// OBSOLETE 	  else
+// OBSOLETE 	    print_tl_address (gdb_stdout, state.pc);
+// OBSOLETE 
+// OBSOLETE 	  neworder++;
+// OBSOLETE 	}
+// OBSOLETE       puts_filtered ("\n");
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* Scan for kernel threads without cprocs */
+// OBSOLETE   for (index = 0; index < thread_count; index++)
+// OBSOLETE     {
+// OBSOLETE       if (!their_threads[index].cproc)
+// OBSOLETE 	{
+// OBSOLETE 	  int mid;
+// OBSOLETE 
+// OBSOLETE 	  char buf[10];
+// OBSOLETE 	  char slot[3];
+// OBSOLETE 
+// OBSOLETE 	  mach_port_t name = their_threads[index].name;
+// OBSOLETE 
+// OBSOLETE 	  mid = map_port_name_to_mid (name, MACH_TYPE_THREAD);
+// OBSOLETE 
+// OBSOLETE 	  infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE 
+// OBSOLETE 	  ret = thread_info (name,
+// OBSOLETE 			     THREAD_BASIC_INFO,
+// OBSOLETE 			     (thread_info_t) & ths,
+// OBSOLETE 			     &infoCnt);
+// OBSOLETE 
+// OBSOLETE 	  if (ret != KERN_SUCCESS)
+// OBSOLETE 	    {
+// OBSOLETE 	      warning ("Unable to get basic info on thread %d : %s",
+// OBSOLETE 		       mid,
+// OBSOLETE 		       mach_error_string (ret));
+// OBSOLETE 	      continue;
+// OBSOLETE 	    }
+// OBSOLETE 
+// OBSOLETE 	  sprintf (slot, "%d", index % 100);
+// OBSOLETE 
+// OBSOLETE 	  if (name == current_thread)
+// OBSOLETE 	    selected = '*';
+// OBSOLETE 	  else
+// OBSOLETE 	    selected = ' ';
+// OBSOLETE 
+// OBSOLETE 	  if (ths.suspend_count)
+// OBSOLETE 	    sprintf (buf, "%d", ths.suspend_count);
+// OBSOLETE 	  else
+// OBSOLETE 	    buf[0] = '\000';
+// OBSOLETE 
+// OBSOLETE #if 0
+// OBSOLETE 	  if (ths.flags & TH_FLAGS_SWAPPED)
+// OBSOLETE 	    strcat (buf, "S");
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE 	  if (ths.flags & TH_FLAGS_IDLE)
+// OBSOLETE 	    strcat (buf, "I");
+// OBSOLETE 
+// OBSOLETE 	  printf_filtered (TL_FORMAT,
+// OBSOLETE 			   slot,
+// OBSOLETE 			   mid,
+// OBSOLETE 			   selected,
+// OBSOLETE 			   get_thread_name (NULL, index),
+// OBSOLETE 			   their_threads[index].in_emulator ? "E" : "",
+// OBSOLETE 			   translate_state (ths.run_state),
+// OBSOLETE 			   buf,
+// OBSOLETE 			   "",	/* No cproc state */
+// OBSOLETE 			   "");	/* Can't be wired */
+// OBSOLETE 	  print_tl_address (gdb_stdout, their_threads[index].pc);
+// OBSOLETE 	  puts_filtered ("\n");
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   obstack_free (cproc_obstack, 0);
+// OBSOLETE   obstack_init (cproc_obstack);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE thread_select_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   int mid;
+// OBSOLETE   thread_array_t thread_list;
+// OBSOLETE   int thread_count;
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   int is_slot = 0;
+// OBSOLETE 
+// OBSOLETE   MACH_ERROR_NO_INFERIOR;
+// OBSOLETE 
+// OBSOLETE   if (!args)
+// OBSOLETE     error_no_arg ("MID or @SLOTNUMBER to specify a thread to select");
+// OBSOLETE 
+// OBSOLETE   while (*args == ' ' || *args == '\t')
+// OBSOLETE     args++;
+// OBSOLETE 
+// OBSOLETE   if (*args == '@')
+// OBSOLETE     {
+// OBSOLETE       is_slot++;
+// OBSOLETE       args++;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   mid = atoi (args);
+// OBSOLETE 
+// OBSOLETE   if (mid == 0)
+// OBSOLETE     if (!is_slot || *args != '0')	/* Rudimentary checks */
+// OBSOLETE       error ("You must select threads by MID or @SLOTNUMBER");
+// OBSOLETE 
+// OBSOLETE   if (select_thread (inferior_task, mid, is_slot ? 2 : 1) != KERN_SUCCESS)
+// OBSOLETE     return;
+// OBSOLETE 
+// OBSOLETE   if (from_tty)
+// OBSOLETE     printf_filtered ("Thread %d selected\n",
+// OBSOLETE 		     is_slot ? map_port_name_to_mid (current_thread,
+// OBSOLETE 						   MACH_TYPE_THREAD) : mid);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE thread_trace (mach_port_t thread, boolean_t set)
+// OBSOLETE {
+// OBSOLETE   int flavor = TRACE_FLAVOR;
+// OBSOLETE   unsigned int stateCnt = TRACE_FLAVOR_SIZE;
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   thread_state_data_t state;
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (thread))
+// OBSOLETE     {
+// OBSOLETE       warning ("thread_trace: invalid thread");
+// OBSOLETE       return;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (must_suspend_thread)
+// OBSOLETE     setup_thread (thread, 1);
+// OBSOLETE 
+// OBSOLETE   ret = thread_get_state (thread, flavor, state, &stateCnt);
+// OBSOLETE   CHK ("thread_trace: error reading thread state", ret);
+// OBSOLETE 
+// OBSOLETE   if (set)
+// OBSOLETE     {
+// OBSOLETE       TRACE_SET (thread, state);
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       if (!TRACE_CLEAR (thread, state))
+// OBSOLETE 	{
+// OBSOLETE 	  if (must_suspend_thread)
+// OBSOLETE 	    setup_thread (thread, 0);
+// OBSOLETE 	  return;
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   ret = thread_set_state (thread, flavor, state, stateCnt);
+// OBSOLETE   CHK ("thread_trace: error writing thread state", ret);
+// OBSOLETE   if (must_suspend_thread)
+// OBSOLETE     setup_thread (thread, 0);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #ifdef	FLUSH_INFERIOR_CACHE
+// OBSOLETE 
+// OBSOLETE /* When over-writing code on some machines the I-Cache must be flushed
+// OBSOLETE    explicitly, because it is not kept coherent by the lazy hardware.
+// OBSOLETE    This definitely includes breakpoints, for instance, or else we
+// OBSOLETE    end up looping in mysterious Bpt traps */
+// OBSOLETE 
+// OBSOLETE flush_inferior_icache (CORE_ADDR pc, int amount)
+// OBSOLETE {
+// OBSOLETE   vm_machine_attribute_val_t flush = MATTR_VAL_ICACHE_FLUSH;
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   ret = vm_machine_attribute (inferior_task,
+// OBSOLETE 			      pc,
+// OBSOLETE 			      amount,
+// OBSOLETE 			      MATTR_CACHE,
+// OBSOLETE 			      &flush);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     warning ("Error flushing inferior's cache : %s",
+// OBSOLETE 	     mach_error_string (ret));
+// OBSOLETE }
+// OBSOLETE #endif /* FLUSH_INFERIOR_CACHE */
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE static
+// OBSOLETE suspend_all_threads (int from_tty)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   thread_array_t thread_list;
+// OBSOLETE   int thread_count, index;
+// OBSOLETE   int infoCnt;
+// OBSOLETE   thread_basic_info_data_t th_info;
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE   ret = task_threads (inferior_task, &thread_list, &thread_count);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     {
+// OBSOLETE       warning ("Could not suspend inferior threads.");
+// OBSOLETE       m3_kill_inferior ();
+// OBSOLETE       throw_exception (RETURN_ERROR);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   for (index = 0; index < thread_count; index++)
+// OBSOLETE     {
+// OBSOLETE       int mid;
+// OBSOLETE 
+// OBSOLETE       mid = map_port_name_to_mid (thread_list[index],
+// OBSOLETE 				  MACH_TYPE_THREAD);
+// OBSOLETE 
+// OBSOLETE       ret = thread_suspend (thread_list[index]);
+// OBSOLETE 
+// OBSOLETE       if (ret != KERN_SUCCESS)
+// OBSOLETE 	warning ("Error trying to suspend thread %d : %s",
+// OBSOLETE 		 mid, mach_error_string (ret));
+// OBSOLETE 
+// OBSOLETE       if (from_tty)
+// OBSOLETE 	{
+// OBSOLETE 	  infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE 	  ret = thread_info (thread_list[index],
+// OBSOLETE 			     THREAD_BASIC_INFO,
+// OBSOLETE 			     (thread_info_t) & th_info,
+// OBSOLETE 			     &infoCnt);
+// OBSOLETE 	  CHK ("suspend can't get thread info", ret);
+// OBSOLETE 
+// OBSOLETE 	  warning ("Thread %d suspend count is %d",
+// OBSOLETE 		   mid, th_info.suspend_count);
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   consume_send_rights (thread_list, thread_count);
+// OBSOLETE   ret = vm_deallocate (mach_task_self (),
+// OBSOLETE 		       (vm_address_t) thread_list,
+// OBSOLETE 		       (thread_count * sizeof (int)));
+// OBSOLETE   CHK ("Error trying to deallocate thread list", ret);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE thread_suspend_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   int mid;
+// OBSOLETE   mach_port_t saved_thread;
+// OBSOLETE   int infoCnt;
+// OBSOLETE   thread_basic_info_data_t th_info;
+// OBSOLETE 
+// OBSOLETE   MACH_ERROR_NO_INFERIOR;
+// OBSOLETE 
+// OBSOLETE   if (!strcasecmp (args, "all"))
+// OBSOLETE     {
+// OBSOLETE       suspend_all_threads (from_tty);
+// OBSOLETE       return;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   saved_thread = current_thread;
+// OBSOLETE 
+// OBSOLETE   mid = parse_thread_id (args, 0, 0);
+// OBSOLETE 
+// OBSOLETE   if (mid < 0)
+// OBSOLETE     error ("You can suspend only existing kernel threads with MID or @SLOTNUMBER");
+// OBSOLETE 
+// OBSOLETE   if (mid == 0)
+// OBSOLETE     mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
+// OBSOLETE   else if (select_thread (inferior_task, mid, 0) != KERN_SUCCESS)
+// OBSOLETE     {
+// OBSOLETE       if (current_thread)
+// OBSOLETE 	current_thread = saved_thread;
+// OBSOLETE       error ("Could not select thread %d", mid);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   ret = thread_suspend (current_thread);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     warning ("thread_suspend failed : %s",
+// OBSOLETE 	     mach_error_string (ret));
+// OBSOLETE 
+// OBSOLETE   infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE   ret = thread_info (current_thread,
+// OBSOLETE 		     THREAD_BASIC_INFO,
+// OBSOLETE 		     (thread_info_t) & th_info,
+// OBSOLETE 		     &infoCnt);
+// OBSOLETE   CHK ("suspend can't get thread info", ret);
+// OBSOLETE 
+// OBSOLETE   warning ("Thread %d suspend count is %d", mid, th_info.suspend_count);
+// OBSOLETE 
+// OBSOLETE   current_thread = saved_thread;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE resume_all_threads (int from_tty)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   thread_array_t thread_list;
+// OBSOLETE   int thread_count, index;
+// OBSOLETE   int mid;
+// OBSOLETE   int infoCnt;
+// OBSOLETE   thread_basic_info_data_t th_info;
+// OBSOLETE 
+// OBSOLETE   ret = task_threads (inferior_task, &thread_list, &thread_count);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     {
+// OBSOLETE       m3_kill_inferior ();
+// OBSOLETE       error ("task_threads", mach_error_string (ret));
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   for (index = 0; index < thread_count; index++)
+// OBSOLETE     {
+// OBSOLETE       infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE       ret = thread_info (thread_list[index],
+// OBSOLETE 			 THREAD_BASIC_INFO,
+// OBSOLETE 			 (thread_info_t) & th_info,
+// OBSOLETE 			 &infoCnt);
+// OBSOLETE       CHK ("resume_all can't get thread info", ret);
+// OBSOLETE 
+// OBSOLETE       mid = map_port_name_to_mid (thread_list[index],
+// OBSOLETE 				  MACH_TYPE_THREAD);
+// OBSOLETE 
+// OBSOLETE       if (!th_info.suspend_count)
+// OBSOLETE 	{
+// OBSOLETE 	  if (mid != -1 && from_tty)
+// OBSOLETE 	    warning ("Thread %d is not suspended", mid);
+// OBSOLETE 	  continue;
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       ret = thread_resume (thread_list[index]);
+// OBSOLETE 
+// OBSOLETE       if (ret != KERN_SUCCESS)
+// OBSOLETE 	warning ("Error trying to resume thread %d : %s",
+// OBSOLETE 		 mid, mach_error_string (ret));
+// OBSOLETE       else if (mid != -1 && from_tty)
+// OBSOLETE 	warning ("Thread %d suspend count is %d",
+// OBSOLETE 		 mid, --th_info.suspend_count);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   consume_send_rights (thread_list, thread_count);
+// OBSOLETE   ret = vm_deallocate (mach_task_self (),
+// OBSOLETE 		       (vm_address_t) thread_list,
+// OBSOLETE 		       (thread_count * sizeof (int)));
+// OBSOLETE   CHK ("Error trying to deallocate thread list", ret);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE thread_resume_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   int mid;
+// OBSOLETE   mach_port_t saved_thread;
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   thread_basic_info_data_t th_info;
+// OBSOLETE   int infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE 
+// OBSOLETE   MACH_ERROR_NO_INFERIOR;
+// OBSOLETE 
+// OBSOLETE   if (!strcasecmp (args, "all"))
+// OBSOLETE     {
+// OBSOLETE       resume_all_threads (from_tty);
+// OBSOLETE       return;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   saved_thread = current_thread;
+// OBSOLETE 
+// OBSOLETE   mid = parse_thread_id (args, 0, 0);
+// OBSOLETE 
+// OBSOLETE   if (mid < 0)
+// OBSOLETE     error ("You can resume only existing kernel threads with MID or @SLOTNUMBER");
+// OBSOLETE 
+// OBSOLETE   if (mid == 0)
+// OBSOLETE     mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
+// OBSOLETE   else if (select_thread (inferior_task, mid, 0) != KERN_SUCCESS)
+// OBSOLETE     {
+// OBSOLETE       if (current_thread)
+// OBSOLETE 	current_thread = saved_thread;
+// OBSOLETE       throw_exception (RETURN_ERROR);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   ret = thread_info (current_thread,
+// OBSOLETE 		     THREAD_BASIC_INFO,
+// OBSOLETE 		     (thread_info_t) & th_info,
+// OBSOLETE 		     &infoCnt);
+// OBSOLETE   CHK ("resume can't get thread info", ret);
+// OBSOLETE 
+// OBSOLETE   if (!th_info.suspend_count)
+// OBSOLETE     {
+// OBSOLETE       warning ("Thread %d is not suspended", mid);
+// OBSOLETE       goto out;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   ret = thread_resume (current_thread);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     warning ("thread_resume failed : %s",
+// OBSOLETE 	     mach_error_string (ret));
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       th_info.suspend_count--;
+// OBSOLETE       warning ("Thread %d suspend count is %d", mid, th_info.suspend_count);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE out:
+// OBSOLETE   current_thread = saved_thread;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE thread_kill_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   int mid;
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   int thread_count;
+// OBSOLETE   thread_array_t thread_table;
+// OBSOLETE   int index;
+// OBSOLETE   mach_port_t thread_to_kill = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE   MACH_ERROR_NO_INFERIOR;
+// OBSOLETE 
+// OBSOLETE   if (!args)
+// OBSOLETE     error_no_arg ("thread mid to kill from the inferior task");
+// OBSOLETE 
+// OBSOLETE   mid = parse_thread_id (args, 0, 0);
+// OBSOLETE 
+// OBSOLETE   if (mid < 0)
+// OBSOLETE     error ("You can kill only existing kernel threads with MID or @SLOTNUMBER");
+// OBSOLETE 
+// OBSOLETE   if (mid)
+// OBSOLETE     {
+// OBSOLETE       ret = machid_mach_port (mid_server, mid_auth, mid, &thread_to_kill);
+// OBSOLETE       CHK ("thread_kill_command: machid_mach_port map failed", ret);
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
+// OBSOLETE 
+// OBSOLETE   /* Don't allow gdb to kill *any* thread in the system. Use mkill program for that */
+// OBSOLETE   ret = task_threads (inferior_task, &thread_table, &thread_count);
+// OBSOLETE   CHK ("Error getting inferior's thread list", ret);
+// OBSOLETE 
+// OBSOLETE   if (thread_to_kill == current_thread)
+// OBSOLETE     {
+// OBSOLETE       ret = thread_terminate (thread_to_kill);
+// OBSOLETE       CHK ("Thread could not be terminated", ret);
+// OBSOLETE 
+// OBSOLETE       if (select_thread (inferior_task, 0, 1) != KERN_SUCCESS)
+// OBSOLETE 	warning ("Last thread was killed, use \"kill\" command to kill task");
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     for (index = 0; index < thread_count; index++)
+// OBSOLETE       if (thread_table[index] == thread_to_kill)
+// OBSOLETE 	{
+// OBSOLETE 	  ret = thread_terminate (thread_to_kill);
+// OBSOLETE 	  CHK ("Thread could not be terminated", ret);
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE   if (thread_count > 1)
+// OBSOLETE     consume_send_rights (thread_table, thread_count);
+// OBSOLETE 
+// OBSOLETE   ret = vm_deallocate (mach_task_self (), (vm_address_t) thread_table,
+// OBSOLETE 		       (thread_count * sizeof (mach_port_t)));
+// OBSOLETE   CHK ("Error trying to deallocate thread list", ret);
+// OBSOLETE 
+// OBSOLETE   warning ("Thread %d killed", mid);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE /* Task specific commands; add more if you like */
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE task_resume_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   task_basic_info_data_t ta_info;
+// OBSOLETE   int infoCnt = TASK_BASIC_INFO_COUNT;
+// OBSOLETE   int mid = map_port_name_to_mid (inferior_task, MACH_TYPE_TASK);
+// OBSOLETE 
+// OBSOLETE   MACH_ERROR_NO_INFERIOR;
+// OBSOLETE 
+// OBSOLETE   /* Would be trivial to change, but is it desirable? */
+// OBSOLETE   if (args)
+// OBSOLETE     error ("Currently gdb can resume only it's inferior task");
+// OBSOLETE 
+// OBSOLETE   ret = task_info (inferior_task,
+// OBSOLETE 		   TASK_BASIC_INFO,
+// OBSOLETE 		   (task_info_t) & ta_info,
+// OBSOLETE 		   &infoCnt);
+// OBSOLETE   CHK ("task_resume_command: task_info failed", ret);
+// OBSOLETE 
+// OBSOLETE   if (ta_info.suspend_count == 0)
+// OBSOLETE     error ("Inferior task %d is not suspended", mid);
+// OBSOLETE   else if (ta_info.suspend_count == 1 &&
+// OBSOLETE 	   from_tty &&
+// OBSOLETE 	!query ("Suspend count is now 1. Do you know what you are doing? "))
+// OBSOLETE     error ("Task not resumed");
+// OBSOLETE 
+// OBSOLETE   ret = task_resume (inferior_task);
+// OBSOLETE   CHK ("task_resume_command: task_resume", ret);
+// OBSOLETE 
+// OBSOLETE   if (ta_info.suspend_count == 1)
+// OBSOLETE     {
+// OBSOLETE       warning ("Inferior task %d is no longer suspended", mid);
+// OBSOLETE       must_suspend_thread = 1;
+// OBSOLETE       /* @@ This is not complete: Registers change all the time when not
+// OBSOLETE          suspended! */
+// OBSOLETE       registers_changed ();
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     warning ("Inferior task %d suspend count is now %d",
+// OBSOLETE 	     mid, ta_info.suspend_count - 1);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE task_suspend_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   task_basic_info_data_t ta_info;
+// OBSOLETE   int infoCnt = TASK_BASIC_INFO_COUNT;
+// OBSOLETE   int mid = map_port_name_to_mid (inferior_task, MACH_TYPE_TASK);
+// OBSOLETE 
+// OBSOLETE   MACH_ERROR_NO_INFERIOR;
+// OBSOLETE 
+// OBSOLETE   /* Would be trivial to change, but is it desirable? */
+// OBSOLETE   if (args)
+// OBSOLETE     error ("Currently gdb can suspend only it's inferior task");
+// OBSOLETE 
+// OBSOLETE   ret = task_suspend (inferior_task);
+// OBSOLETE   CHK ("task_suspend_command: task_suspend", ret);
+// OBSOLETE 
+// OBSOLETE   must_suspend_thread = 0;
+// OBSOLETE 
+// OBSOLETE   ret = task_info (inferior_task,
+// OBSOLETE 		   TASK_BASIC_INFO,
+// OBSOLETE 		   (task_info_t) & ta_info,
+// OBSOLETE 		   &infoCnt);
+// OBSOLETE   CHK ("task_suspend_command: task_info failed", ret);
+// OBSOLETE 
+// OBSOLETE   warning ("Inferior task %d suspend count is now %d",
+// OBSOLETE 	   mid, ta_info.suspend_count);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static char *
+// OBSOLETE get_size (int bytes)
+// OBSOLETE {
+// OBSOLETE   static char size[30];
+// OBSOLETE   int zz = bytes / 1024;
+// OBSOLETE 
+// OBSOLETE   if (zz / 1024)
+// OBSOLETE     sprintf (size, "%-2.1f M", ((float) bytes) / (1024.0 * 1024.0));
+// OBSOLETE   else
+// OBSOLETE     sprintf (size, "%d K", zz);
+// OBSOLETE 
+// OBSOLETE   return size;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Does this require the target task to be suspended?? I don't think so. */
+// OBSOLETE void
+// OBSOLETE task_info_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   int mid = -5;
+// OBSOLETE   mach_port_t task;
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   task_basic_info_data_t ta_info;
+// OBSOLETE   int infoCnt = TASK_BASIC_INFO_COUNT;
+// OBSOLETE   int page_size = round_page (1);
+// OBSOLETE   int thread_count = 0;
+// OBSOLETE 
+// OBSOLETE   if (MACH_PORT_VALID (inferior_task))
+// OBSOLETE     mid = map_port_name_to_mid (inferior_task,
+// OBSOLETE 				MACH_TYPE_TASK);
+// OBSOLETE 
+// OBSOLETE   task = inferior_task;
+// OBSOLETE 
+// OBSOLETE   if (args)
+// OBSOLETE     {
+// OBSOLETE       int tmid = atoi (args);
+// OBSOLETE 
+// OBSOLETE       if (tmid <= 0)
+// OBSOLETE 	error ("Invalid mid %d for task info", tmid);
+// OBSOLETE 
+// OBSOLETE       if (tmid != mid)
+// OBSOLETE 	{
+// OBSOLETE 	  mid = tmid;
+// OBSOLETE 	  ret = machid_mach_port (mid_server, mid_auth, tmid, &task);
+// OBSOLETE 	  CHK ("task_info_command: machid_mach_port map failed", ret);
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (mid < 0)
+// OBSOLETE     error ("You have to give the task MID as an argument");
+// OBSOLETE 
+// OBSOLETE   ret = task_info (task,
+// OBSOLETE 		   TASK_BASIC_INFO,
+// OBSOLETE 		   (task_info_t) & ta_info,
+// OBSOLETE 		   &infoCnt);
+// OBSOLETE   CHK ("task_info_command: task_info failed", ret);
+// OBSOLETE 
+// OBSOLETE   printf_filtered ("\nTask info for task %d:\n\n", mid);
+// OBSOLETE   printf_filtered (" Suspend count : %d\n", ta_info.suspend_count);
+// OBSOLETE   printf_filtered (" Base priority : %d\n", ta_info.base_priority);
+// OBSOLETE   printf_filtered (" Virtual size  : %s\n", get_size (ta_info.virtual_size));
+// OBSOLETE   printf_filtered (" Resident size : %s\n", get_size (ta_info.resident_size));
+// OBSOLETE 
+// OBSOLETE   {
+// OBSOLETE     thread_array_t thread_list;
+// OBSOLETE 
+// OBSOLETE     ret = task_threads (task, &thread_list, &thread_count);
+// OBSOLETE     CHK ("task_info_command: task_threads", ret);
+// OBSOLETE 
+// OBSOLETE     printf_filtered (" Thread count  : %d\n", thread_count);
+// OBSOLETE 
+// OBSOLETE     consume_send_rights (thread_list, thread_count);
+// OBSOLETE     ret = vm_deallocate (mach_task_self (),
+// OBSOLETE 			 (vm_address_t) thread_list,
+// OBSOLETE 			 (thread_count * sizeof (int)));
+// OBSOLETE     CHK ("Error trying to deallocate thread list", ret);
+// OBSOLETE   }
+// OBSOLETE   if (have_emulator_p (task))
+// OBSOLETE     printf_filtered (" Emulator at   : 0x%x..0x%x\n",
+// OBSOLETE 		     EMULATOR_BASE, EMULATOR_END);
+// OBSOLETE   else
+// OBSOLETE     printf_filtered (" No emulator.\n");
+// OBSOLETE 
+// OBSOLETE   if (thread_count && task == inferior_task)
+// OBSOLETE     printf_filtered ("\nUse the \"thread list\" command to see the threads\n");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* You may either FORWARD the exception to the inferior, or KEEP
+// OBSOLETE  * it and return to GDB command level.
+// OBSOLETE  *
+// OBSOLETE  * exception mid [ forward | keep ]
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE exception_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   char *scan = args;
+// OBSOLETE   int exception;
+// OBSOLETE   int len;
+// OBSOLETE 
+// OBSOLETE   if (!args)
+// OBSOLETE     error_no_arg ("exception number action");
+// OBSOLETE 
+// OBSOLETE   while (*scan == ' ' || *scan == '\t')
+// OBSOLETE     scan++;
+// OBSOLETE 
+// OBSOLETE   if ('0' <= *scan && *scan <= '9')
+// OBSOLETE     while ('0' <= *scan && *scan <= '9')
+// OBSOLETE       scan++;
+// OBSOLETE   else
+// OBSOLETE     error ("exception number action");
+// OBSOLETE 
+// OBSOLETE   exception = atoi (args);
+// OBSOLETE   if (exception <= 0 || exception > MAX_EXCEPTION)
+// OBSOLETE     error ("Allowed exception numbers are in range 1..%d",
+// OBSOLETE 	   MAX_EXCEPTION);
+// OBSOLETE 
+// OBSOLETE   if (*scan != ' ' && *scan != '\t')
+// OBSOLETE     error ("exception number must be followed by a space");
+// OBSOLETE   else
+// OBSOLETE     while (*scan == ' ' || *scan == '\t')
+// OBSOLETE       scan++;
+// OBSOLETE 
+// OBSOLETE   args = scan;
+// OBSOLETE   len = 0;
+// OBSOLETE   while (*scan)
+// OBSOLETE     {
+// OBSOLETE       len++;
+// OBSOLETE       scan++;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (!len)
+// OBSOLETE     error ("exception number action");
+// OBSOLETE 
+// OBSOLETE   if (!strncasecmp (args, "forward", len))
+// OBSOLETE     exception_map[exception].forward = TRUE;
+// OBSOLETE   else if (!strncasecmp (args, "keep", len))
+// OBSOLETE     exception_map[exception].forward = FALSE;
+// OBSOLETE   else
+// OBSOLETE     error ("exception action is either \"keep\" or \"forward\"");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE print_exception_info (int exception)
+// OBSOLETE {
+// OBSOLETE   boolean_t forward = exception_map[exception].forward;
+// OBSOLETE 
+// OBSOLETE   printf_filtered ("%s\t(%d): ", exception_map[exception].name,
+// OBSOLETE 		   exception);
+// OBSOLETE   if (!forward)
+// OBSOLETE     if (exception_map[exception].sigmap != SIG_UNKNOWN)
+// OBSOLETE       printf_filtered ("keep and handle as signal %d\n",
+// OBSOLETE 		       exception_map[exception].sigmap);
+// OBSOLETE     else
+// OBSOLETE       printf_filtered ("keep and handle as unknown signal %d\n",
+// OBSOLETE 		       exception_map[exception].sigmap);
+// OBSOLETE   else
+// OBSOLETE     printf_filtered ("forward exception to inferior\n");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE exception_info (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   int exception;
+// OBSOLETE 
+// OBSOLETE   if (!args)
+// OBSOLETE     for (exception = 1; exception <= MAX_EXCEPTION; exception++)
+// OBSOLETE       print_exception_info (exception);
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       exception = atoi (args);
+// OBSOLETE 
+// OBSOLETE       if (exception <= 0 || exception > MAX_EXCEPTION)
+// OBSOLETE 	error ("Invalid exception number, values from 1 to %d allowed",
+// OBSOLETE 	       MAX_EXCEPTION);
+// OBSOLETE       print_exception_info (exception);
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Check for actions for mach exceptions.
+// OBSOLETE  */
+// OBSOLETE mach3_exception_actions (WAITTYPE *w, boolean_t force_print_only, char *who)
+// OBSOLETE {
+// OBSOLETE   boolean_t force_print = FALSE;
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE   if (force_print_only ||
+// OBSOLETE       exception_map[stop_exception].sigmap == SIG_UNKNOWN)
+// OBSOLETE     force_print = TRUE;
+// OBSOLETE   else
+// OBSOLETE     WSETSTOP (*w, exception_map[stop_exception].sigmap);
+// OBSOLETE 
+// OBSOLETE   if (exception_map[stop_exception].print || force_print)
+// OBSOLETE     {
+// OBSOLETE       target_terminal_ours ();
+// OBSOLETE 
+// OBSOLETE       printf_filtered ("\n%s received %s exception : ",
+// OBSOLETE 		       who,
+// OBSOLETE 		       exception_map[stop_exception].name);
+// OBSOLETE 
+// OBSOLETE       wrap_here ("   ");
+// OBSOLETE 
+// OBSOLETE       switch (stop_exception)
+// OBSOLETE 	{
+// OBSOLETE 	case EXC_BAD_ACCESS:
+// OBSOLETE 	  printf_filtered ("referencing address 0x%x : %s\n",
+// OBSOLETE 			   stop_subcode,
+// OBSOLETE 			   mach_error_string (stop_code));
+// OBSOLETE 	  break;
+// OBSOLETE 	case EXC_BAD_INSTRUCTION:
+// OBSOLETE 	  printf_filtered
+// OBSOLETE 	    ("illegal or undefined instruction. code %d subcode %d\n",
+// OBSOLETE 	     stop_code, stop_subcode);
+// OBSOLETE 	  break;
+// OBSOLETE 	case EXC_ARITHMETIC:
+// OBSOLETE 	  printf_filtered ("code %d\n", stop_code);
+// OBSOLETE 	  break;
+// OBSOLETE 	case EXC_EMULATION:
+// OBSOLETE 	  printf_filtered ("code %d subcode %d\n", stop_code, stop_subcode);
+// OBSOLETE 	  break;
+// OBSOLETE 	case EXC_SOFTWARE:
+// OBSOLETE 	  printf_filtered ("%s specific, code 0x%x\n",
+// OBSOLETE 			   stop_code < 0xffff ? "hardware" : "os emulation",
+// OBSOLETE 			   stop_code);
+// OBSOLETE 	  break;
+// OBSOLETE 	case EXC_BREAKPOINT:
+// OBSOLETE 	  printf_filtered ("type %d (machine dependent)\n",
+// OBSOLETE 			   stop_code);
+// OBSOLETE 	  break;
+// OBSOLETE 	default:
+// OBSOLETE 	  internal_error (__FILE__, __LINE__,
+// OBSOLETE 			  "Unknown exception");
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE setup_notify_port (int create_new)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   if (MACH_PORT_VALID (our_notify_port))
+// OBSOLETE     {
+// OBSOLETE       ret = mach_port_destroy (mach_task_self (), our_notify_port);
+// OBSOLETE       CHK ("Could not destroy our_notify_port", ret);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   our_notify_port = MACH_PORT_NULL;
+// OBSOLETE   notify_chain = (port_chain_t) NULL;
+// OBSOLETE   port_chain_destroy (port_chain_obstack);
+// OBSOLETE 
+// OBSOLETE   if (create_new)
+// OBSOLETE     {
+// OBSOLETE       ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE 				MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE 				&our_notify_port);
+// OBSOLETE       if (ret != KERN_SUCCESS)
+// OBSOLETE 	internal_error (__FILE__, __LINE__,
+// OBSOLETE 			"Creating notify port %s", mach_error_string (ret));
+// OBSOLETE 
+// OBSOLETE       ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE 				   our_notify_port,
+// OBSOLETE 				   inferior_wait_port_set);
+// OBSOLETE       if (ret != KERN_SUCCESS)
+// OBSOLETE 	internal_error (__FILE__, __LINE__,
+// OBSOLETE 			"initial move member %s", mach_error_string (ret));
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE  * Register our message port to the net name server
+// OBSOLETE  *
+// OBSOLETE  * Currently used only by the external stop-gdb program
+// OBSOLETE  * since ^C does not work if you would like to enter
+// OBSOLETE  * gdb command level while debugging your program.
+// OBSOLETE  *
+// OBSOLETE  * NOTE: If the message port is sometimes used for other
+// OBSOLETE  * purposes also, the NAME must not be a guessable one.
+// OBSOLETE  * Then, there should be a way to change it.
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE char registered_name[MAX_NAME_LEN];
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE message_port_info (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   if (registered_name[0])
+// OBSOLETE     printf_filtered ("gdb's message port name: '%s'\n",
+// OBSOLETE 		     registered_name);
+// OBSOLETE   else
+// OBSOLETE     printf_filtered ("gdb's message port is not currently registered\n");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE gdb_register_port (char *name, mach_port_t port)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   static int already_signed = 0;
+// OBSOLETE   int len;
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (port) || !name || !*name)
+// OBSOLETE     {
+// OBSOLETE       warning ("Invalid registration request");
+// OBSOLETE       return;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (!already_signed)
+// OBSOLETE     {
+// OBSOLETE       ret = mach_port_insert_right (mach_task_self (),
+// OBSOLETE 				    our_message_port,
+// OBSOLETE 				    our_message_port,
+// OBSOLETE 				    MACH_MSG_TYPE_MAKE_SEND);
+// OBSOLETE       CHK ("Failed to create a signature to our_message_port", ret);
+// OBSOLETE       already_signed = 1;
+// OBSOLETE     }
+// OBSOLETE   else if (already_signed > 1)
+// OBSOLETE     {
+// OBSOLETE       ret = netname_check_out (name_server_port,
+// OBSOLETE 			       registered_name,
+// OBSOLETE 			       our_message_port);
+// OBSOLETE       CHK ("Failed to check out gdb's message port", ret);
+// OBSOLETE       registered_name[0] = '\000';
+// OBSOLETE       already_signed = 1;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   ret = netname_check_in (name_server_port,	/* Name server port */
+// OBSOLETE 			  name,	/* Name of service */
+// OBSOLETE 			  our_message_port,	/* Signature */
+// OBSOLETE 			  port);	/* Creates a new send right */
+// OBSOLETE   CHK ("Failed to check in the port", ret);
+// OBSOLETE 
+// OBSOLETE   len = 0;
+// OBSOLETE   while (len < MAX_NAME_LEN && *(name + len))
+// OBSOLETE     {
+// OBSOLETE       registered_name[len] = *(name + len);
+// OBSOLETE       len++;
+// OBSOLETE     }
+// OBSOLETE   registered_name[len] = '\000';
+// OBSOLETE   already_signed = 2;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE struct cmd_list_element *cmd_thread_list;
+// OBSOLETE struct cmd_list_element *cmd_task_list;
+// OBSOLETE 
+// OBSOLETE /*ARGSUSED */
+// OBSOLETE static void
+// OBSOLETE thread_command (char *arg, int from_tty)
+// OBSOLETE {
+// OBSOLETE   printf_unfiltered ("\"thread\" must be followed by the name of a thread command.\n");
+// OBSOLETE   help_list (cmd_thread_list, "thread ", -1, gdb_stdout);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /*ARGSUSED */
+// OBSOLETE static void
+// OBSOLETE task_command (char *arg, int from_tty)
+// OBSOLETE {
+// OBSOLETE   printf_unfiltered ("\"task\" must be followed by the name of a task command.\n");
+// OBSOLETE   help_list (cmd_task_list, "task ", -1, gdb_stdout);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE add_mach_specific_commands (void)
+// OBSOLETE {
+// OBSOLETE   /* Thread handling commands */
+// OBSOLETE 
+// OBSOLETE   /* FIXME: Move our thread support into the generic thread.c stuff so we
+// OBSOLETE      can share that code.  */
+// OBSOLETE   add_prefix_cmd ("mthread", class_stack, thread_command,
+// OBSOLETE 	  "Generic command for handling Mach threads in the debugged task.",
+// OBSOLETE 		  &cmd_thread_list, "thread ", 0, &cmdlist);
+// OBSOLETE 
+// OBSOLETE   add_com_alias ("th", "mthread", class_stack, 1);
+// OBSOLETE 
+// OBSOLETE   add_cmd ("select", class_stack, thread_select_command,
+// OBSOLETE 	   "Select and print MID of the selected thread",
+// OBSOLETE 	   &cmd_thread_list);
+// OBSOLETE   add_cmd ("list", class_stack, thread_list_command,
+// OBSOLETE 	   "List info of task's threads. Selected thread is marked with '*'",
+// OBSOLETE 	   &cmd_thread_list);
+// OBSOLETE   add_cmd ("suspend", class_run, thread_suspend_command,
+// OBSOLETE 	   "Suspend one or all of the threads in the selected task.",
+// OBSOLETE 	   &cmd_thread_list);
+// OBSOLETE   add_cmd ("resume", class_run, thread_resume_command,
+// OBSOLETE 	   "Resume one or all of the threads in the selected task.",
+// OBSOLETE 	   &cmd_thread_list);
+// OBSOLETE   add_cmd ("kill", class_run, thread_kill_command,
+// OBSOLETE 	   "Kill the specified thread MID from inferior task.",
+// OBSOLETE 	   &cmd_thread_list);
+// OBSOLETE #if 0
+// OBSOLETE   /* The rest of this support (condition_thread) was not merged.  It probably
+// OBSOLETE      should not be merged in this form, but instead added to the generic GDB
+// OBSOLETE      thread support.  */
+// OBSOLETE   add_cmd ("break", class_breakpoint, condition_thread,
+// OBSOLETE 	   "Breakpoint N will only be effective for thread MID or @SLOT\n\
+// OBSOLETE 	    If MID/@SLOT is omitted allow all threads to break at breakpoint",
+// OBSOLETE 	   &cmd_thread_list);
+// OBSOLETE #endif
+// OBSOLETE   /* Thread command shorthands (for backward compatibility) */
+// OBSOLETE   add_alias_cmd ("ts", "mthread select", 0, 0, &cmdlist);
+// OBSOLETE   add_alias_cmd ("tl", "mthread list", 0, 0, &cmdlist);
+// OBSOLETE 
+// OBSOLETE   /* task handling commands */
+// OBSOLETE 
+// OBSOLETE   add_prefix_cmd ("task", class_stack, task_command,
+// OBSOLETE 		  "Generic command for handling debugged task.",
+// OBSOLETE 		  &cmd_task_list, "task ", 0, &cmdlist);
+// OBSOLETE 
+// OBSOLETE   add_com_alias ("ta", "task", class_stack, 1);
+// OBSOLETE 
+// OBSOLETE   add_cmd ("suspend", class_run, task_suspend_command,
+// OBSOLETE 	   "Suspend the inferior task.",
+// OBSOLETE 	   &cmd_task_list);
+// OBSOLETE   add_cmd ("resume", class_run, task_resume_command,
+// OBSOLETE 	   "Resume the inferior task.",
+// OBSOLETE 	   &cmd_task_list);
+// OBSOLETE   add_cmd ("info", no_class, task_info_command,
+// OBSOLETE 	   "Print information about the specified task.",
+// OBSOLETE 	   &cmd_task_list);
+// OBSOLETE 
+// OBSOLETE   /* Print my message port name */
+// OBSOLETE 
+// OBSOLETE   add_info ("message-port", message_port_info,
+// OBSOLETE 	    "Returns the name of gdb's message port in the netnameserver");
+// OBSOLETE 
+// OBSOLETE   /* Exception commands */
+// OBSOLETE 
+// OBSOLETE   add_info ("exceptions", exception_info,
+// OBSOLETE 	    "What debugger does when program gets various exceptions.\n\
+// OBSOLETE Specify an exception number as argument to print info on that\n\
+// OBSOLETE exception only.");
+// OBSOLETE 
+// OBSOLETE   add_com ("exception", class_run, exception_command,
+// OBSOLETE 	   "Specify how to handle an exception.\n\
+// OBSOLETE Args are exception number followed by \"forward\" or \"keep\".\n\
+// OBSOLETE `Forward' means forward the exception to the program's normal exception\n\
+// OBSOLETE handler.\n\
+// OBSOLETE `Keep' means reenter debugger if this exception happens, and GDB maps\n\
+// OBSOLETE the exception to some signal (see info exception)\n\
+// OBSOLETE Normally \"keep\" is used to return to GDB on exception.");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE kern_return_t
+// OBSOLETE do_mach_notify_dead_name (mach_port_t notify, mach_port_t name)
+// OBSOLETE {
+// OBSOLETE   kern_return_t kr = KERN_SUCCESS;
+// OBSOLETE 
+// OBSOLETE   /* Find the thing that notified */
+// OBSOLETE   port_chain_t element = port_chain_member (notify_chain, name);
+// OBSOLETE 
+// OBSOLETE   /* Take name of from unreceived dead name notification list */
+// OBSOLETE   notify_chain = port_chain_delete (notify_chain, name);
+// OBSOLETE 
+// OBSOLETE   if (!element)
+// OBSOLETE     error ("Received a dead name notify from unchained port (0x%x)", name);
+// OBSOLETE 
+// OBSOLETE   switch (element->type)
+// OBSOLETE     {
+// OBSOLETE 
+// OBSOLETE     case MACH_TYPE_THREAD:
+// OBSOLETE       target_terminal_ours_for_output ();
+// OBSOLETE       if (name == current_thread)
+// OBSOLETE 	{
+// OBSOLETE 	  printf_filtered ("\nCurrent thread %d died", element->mid);
+// OBSOLETE 	  current_thread = MACH_PORT_NULL;
+// OBSOLETE 	}
+// OBSOLETE       else
+// OBSOLETE 	printf_filtered ("\nThread %d died", element->mid);
+// OBSOLETE 
+// OBSOLETE       break;
+// OBSOLETE 
+// OBSOLETE     case MACH_TYPE_TASK:
+// OBSOLETE       target_terminal_ours_for_output ();
+// OBSOLETE       if (name != inferior_task)
+// OBSOLETE 	printf_filtered ("Task %d died, but it was not the selected task",
+// OBSOLETE 			 element->mid);
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  printf_filtered ("Current task %d died", element->mid);
+// OBSOLETE 
+// OBSOLETE 	  mach_port_destroy (mach_task_self (), name);
+// OBSOLETE 	  inferior_task = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE 	  if (notify_chain)
+// OBSOLETE 	    warning ("There were still unreceived dead_name_notifications???");
+// OBSOLETE 
+// OBSOLETE 	  /* Destroy the old notifications */
+// OBSOLETE 	  setup_notify_port (0);
+// OBSOLETE 
+// OBSOLETE 	}
+// OBSOLETE       break;
+// OBSOLETE 
+// OBSOLETE     default:
+// OBSOLETE       error ("Unregistered dead_name 0x%x notification received. Type is %d, mid is 0x%x",
+// OBSOLETE 	     name, element->type, element->mid);
+// OBSOLETE       break;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE kern_return_t
+// OBSOLETE do_mach_notify_msg_accepted (mach_port_t notify, mach_port_t name)
+// OBSOLETE {
+// OBSOLETE   warning ("do_mach_notify_msg_accepted : notify %x, name %x",
+// OBSOLETE 	   notify, name);
+// OBSOLETE   return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE kern_return_t
+// OBSOLETE do_mach_notify_no_senders (mach_port_t notify, mach_port_mscount_t mscount)
+// OBSOLETE {
+// OBSOLETE   warning ("do_mach_notify_no_senders : notify %x, mscount %x",
+// OBSOLETE 	   notify, mscount);
+// OBSOLETE   return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE kern_return_t
+// OBSOLETE do_mach_notify_port_deleted (mach_port_t notify, mach_port_t name)
+// OBSOLETE {
+// OBSOLETE   warning ("do_mach_notify_port_deleted : notify %x, name %x",
+// OBSOLETE 	   notify, name);
+// OBSOLETE   return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE kern_return_t
+// OBSOLETE do_mach_notify_port_destroyed (mach_port_t notify, mach_port_t rights)
+// OBSOLETE {
+// OBSOLETE   warning ("do_mach_notify_port_destroyed : notify %x, rights %x",
+// OBSOLETE 	   notify, rights);
+// OBSOLETE   return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE kern_return_t
+// OBSOLETE do_mach_notify_send_once (mach_port_t notify)
+// OBSOLETE {
+// OBSOLETE #ifdef DUMP_SYSCALL
+// OBSOLETE   /* MANY of these are generated. */
+// OBSOLETE   warning ("do_mach_notify_send_once : notify %x",
+// OBSOLETE 	   notify);
+// OBSOLETE #endif
+// OBSOLETE   return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Kills the inferior. It's gone when you call this */
+// OBSOLETE static void
+// OBSOLETE kill_inferior_fast (void)
+// OBSOLETE {
+// OBSOLETE   WAITTYPE w;
+// OBSOLETE 
+// OBSOLETE   if (PIDGET (inferior_ptid) == 0 || PIDGET (inferior_ptid) == 1)
+// OBSOLETE     return;
+// OBSOLETE 
+// OBSOLETE   /* kill() it, since the Unix server does not otherwise notice when
+// OBSOLETE    * killed with task_terminate().
+// OBSOLETE    */
+// OBSOLETE   if (PIDGET (inferior_ptid) > 0)
+// OBSOLETE     kill (PIDGET (inferior_ptid), SIGKILL);
+// OBSOLETE 
+// OBSOLETE   /* It's propably terminate already */
+// OBSOLETE   (void) task_terminate (inferior_task);
+// OBSOLETE 
+// OBSOLETE   inferior_task = MACH_PORT_NULL;
+// OBSOLETE   current_thread = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE   wait3 (&w, WNOHANG, 0);
+// OBSOLETE 
+// OBSOLETE   setup_notify_port (0);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE m3_kill_inferior (void)
+// OBSOLETE {
+// OBSOLETE   kill_inferior_fast ();
+// OBSOLETE   target_mourn_inferior ();
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Clean up after the inferior dies.  */
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE m3_mourn_inferior (void)
+// OBSOLETE {
+// OBSOLETE   unpush_target (&m3_ops);
+// OBSOLETE   generic_mourn_inferior ();
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE /* Fork an inferior process, and start debugging it.  */
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE m3_create_inferior (char *exec_file, char *allargs, char **env)
+// OBSOLETE {
+// OBSOLETE   fork_inferior (exec_file, allargs, env, m3_trace_me, m3_trace_him, NULL, NULL);
+// OBSOLETE   /* We are at the first instruction we care about.  */
+// OBSOLETE   /* Pedal to the metal... */
+// OBSOLETE   proceed ((CORE_ADDR) -1, 0, 0);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Mark our target-struct as eligible for stray "run" and "attach"
+// OBSOLETE    commands.  */
+// OBSOLETE static int
+// OBSOLETE m3_can_run (void)
+// OBSOLETE {
+// OBSOLETE   return 1;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Mach 3.0 does not need ptrace for anything
+// OBSOLETE  * Make sure nobody uses it on mach.
+// OBSOLETE  */
+// OBSOLETE ptrace (int a, int b, int c, int d)
+// OBSOLETE {
+// OBSOLETE   error ("Lose, Lose! Somebody called ptrace\n");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Resume execution of the inferior process.
+// OBSOLETE    If STEP is nonzero, single-step it.
+// OBSOLETE    If SIGNAL is nonzero, give it that signal.  */
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE m3_resume (ptid_t ptid, int step, enum target_signal signal)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   if (step)
+// OBSOLETE     {
+// OBSOLETE       thread_basic_info_data_t th_info;
+// OBSOLETE       unsigned int infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE 
+// OBSOLETE       /* There is no point in single stepping when current_thread
+// OBSOLETE        * is dead.
+// OBSOLETE        */
+// OBSOLETE       if (!MACH_PORT_VALID (current_thread))
+// OBSOLETE 	error ("No thread selected; can not single step");
+// OBSOLETE 
+// OBSOLETE       /* If current_thread is suspended, tracing it would never return.
+// OBSOLETE        */
+// OBSOLETE       ret = thread_info (current_thread,
+// OBSOLETE 			 THREAD_BASIC_INFO,
+// OBSOLETE 			 (thread_info_t) & th_info,
+// OBSOLETE 			 &infoCnt);
+// OBSOLETE       CHK ("child_resume: can't get thread info", ret);
+// OBSOLETE 
+// OBSOLETE       if (th_info.suspend_count)
+// OBSOLETE 	error ("Can't trace a suspended thread. Use \"thread resume\" command to resume it");
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   vm_read_cache_valid = FALSE;
+// OBSOLETE 
+// OBSOLETE   if (signal && PIDGET (inferior_ptid) > 0)	/* Do not signal, if attached by MID */
+// OBSOLETE     kill (PIDGET (inferior_ptid), target_signal_to_host (signal));
+// OBSOLETE 
+// OBSOLETE   if (step)
+// OBSOLETE     {
+// OBSOLETE       suspend_all_threads (0);
+// OBSOLETE 
+// OBSOLETE       setup_single_step (current_thread, TRUE);
+// OBSOLETE 
+// OBSOLETE       ret = thread_resume (current_thread);
+// OBSOLETE       CHK ("thread_resume", ret);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   ret = task_resume (inferior_task);
+// OBSOLETE   if (ret == KERN_FAILURE)
+// OBSOLETE     warning ("Task was not suspended");
+// OBSOLETE   else
+// OBSOLETE     CHK ("Resuming task", ret);
+// OBSOLETE 
+// OBSOLETE   /* HACK HACK This is needed by the multiserver system HACK HACK */
+// OBSOLETE   while ((ret = task_resume (inferior_task)) == KERN_SUCCESS)
+// OBSOLETE     /* make sure it really runs */ ;
+// OBSOLETE   /* HACK HACK This is needed by the multiserver system HACK HACK */
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #ifdef ATTACH_DETACH
+// OBSOLETE 
+// OBSOLETE /* Start debugging the process with the given task */
+// OBSOLETE void
+// OBSOLETE task_attach (task_t tid)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   inferior_task = tid;
+// OBSOLETE 
+// OBSOLETE   ret = task_suspend (inferior_task);
+// OBSOLETE   CHK ("task_attach: task_suspend", ret);
+// OBSOLETE 
+// OBSOLETE   must_suspend_thread = 0;
+// OBSOLETE 
+// OBSOLETE   setup_notify_port (1);
+// OBSOLETE 
+// OBSOLETE   request_notify (inferior_task, MACH_NOTIFY_DEAD_NAME, MACH_TYPE_TASK);
+// OBSOLETE 
+// OBSOLETE   setup_exception_port ();
+// OBSOLETE 
+// OBSOLETE   emulator_present = have_emulator_p (inferior_task);
+// OBSOLETE 
+// OBSOLETE   attach_flag = 1;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Well, we can call error also here and leave the
+// OBSOLETE  * target stack inconsistent. Sigh.
+// OBSOLETE  * Fix this sometime (the only way to fail here is that
+// OBSOLETE  * the task has no threads at all, which is rare, but
+// OBSOLETE  * possible; or if the target task has died, which is also
+// OBSOLETE  * possible, but unlikely, since it has been suspended.
+// OBSOLETE  * (Someone must have killed it))
+// OBSOLETE  */
+// OBSOLETE void
+// OBSOLETE attach_to_thread (void)
+// OBSOLETE {
+// OBSOLETE   if (select_thread (inferior_task, 0, 1) != KERN_SUCCESS)
+// OBSOLETE     error ("Could not select any threads to attach to");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE mid_attach (int mid)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   ret = machid_mach_port (mid_server, mid_auth, mid, &inferior_task);
+// OBSOLETE   CHK ("mid_attach: machid_mach_port", ret);
+// OBSOLETE 
+// OBSOLETE   task_attach (inferior_task);
+// OBSOLETE 
+// OBSOLETE   return mid;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* 
+// OBSOLETE  * Start debugging the process whose unix process-id is PID.
+// OBSOLETE  * A negative "pid" value is legal and signifies a mach_id not a unix pid.
+// OBSOLETE  *
+// OBSOLETE  * Prevent (possible unwanted) dangerous operations by enabled users
+// OBSOLETE  * like "atta 0" or "atta foo" (equal to the previous :-) and
+// OBSOLETE  * "atta pidself". Anyway, the latter is allowed by specifying a MID.
+// OBSOLETE  */
+// OBSOLETE static int
+// OBSOLETE m3_do_attach (int pid)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   if (pid == 0)
+// OBSOLETE     error ("MID=0, Debugging the master unix server does not compute");
+// OBSOLETE 
+// OBSOLETE   /* Foo. This assumes gdb has a unix pid */
+// OBSOLETE   if (pid == getpid ())
+// OBSOLETE     error ("I will debug myself only by mid. (Gdb would suspend itself!)");
+// OBSOLETE 
+// OBSOLETE   if (pid < 0)
+// OBSOLETE     {
+// OBSOLETE       mid_attach (-(pid));
+// OBSOLETE 
+// OBSOLETE       /* inferior_ptid will be NEGATIVE! */
+// OBSOLETE       inferior_ptid = pid_to_ptid (pid);
+// OBSOLETE 
+// OBSOLETE       return PIDGET (inferior_ptid);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   inferior_task = task_by_pid (pid);
+// OBSOLETE   if (!MACH_PORT_VALID (inferior_task))
+// OBSOLETE     error ("Cannot map Unix pid %d to Mach task port", pid);
+// OBSOLETE 
+// OBSOLETE   task_attach (inferior_task);
+// OBSOLETE 
+// OBSOLETE   inferior_ptid = pid_to_ptid (pid);
+// OBSOLETE 
+// OBSOLETE   return PIDGET (inferior_ptid);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Attach to process PID, then initialize for debugging it
+// OBSOLETE    and wait for the trace-trap that results from attaching.  */
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE m3_attach (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   char *exec_file;
+// OBSOLETE   int pid;
+// OBSOLETE 
+// OBSOLETE   if (!args)
+// OBSOLETE     error_no_arg ("process-id to attach");
+// OBSOLETE 
+// OBSOLETE   pid = atoi (args);
+// OBSOLETE 
+// OBSOLETE   if (pid == getpid ())		/* Trying to masturbate? */
+// OBSOLETE     error ("I refuse to debug myself!");
+// OBSOLETE 
+// OBSOLETE   if (from_tty)
+// OBSOLETE     {
+// OBSOLETE       exec_file = (char *) get_exec_file (0);
+// OBSOLETE 
+// OBSOLETE       if (exec_file)
+// OBSOLETE 	printf_unfiltered ("Attaching to program `%s', %s\n", exec_file,
+// OBSOLETE 	                   target_pid_to_str (pid_to_ptid (pid)));
+// OBSOLETE       else
+// OBSOLETE 	printf_unfiltered ("Attaching to %s\n",
+// OBSOLETE 	                   target_pid_to_str (pid_to_ptid (pid)));
+// OBSOLETE 
+// OBSOLETE       gdb_flush (gdb_stdout);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   m3_do_attach (pid_to_ptid (pid));
+// OBSOLETE   inferior_ptid = pid_to_ptid (pid);
+// OBSOLETE   push_target (&m3_ops);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE deallocate_inferior_ports (void)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE   thread_array_t thread_list;
+// OBSOLETE   int thread_count, index;
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (inferior_task))
+// OBSOLETE     return;
+// OBSOLETE 
+// OBSOLETE   ret = task_threads (inferior_task, &thread_list, &thread_count);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     {
+// OBSOLETE       warning ("deallocate_inferior_ports: task_threads",
+// OBSOLETE 	       mach_error_string (ret));
+// OBSOLETE       return;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* Get rid of send rights to task threads */
+// OBSOLETE   for (index = 0; index < thread_count; index++)
+// OBSOLETE     {
+// OBSOLETE       int rights;
+// OBSOLETE       ret = mach_port_get_refs (mach_task_self (),
+// OBSOLETE 				thread_list[index],
+// OBSOLETE 				MACH_PORT_RIGHT_SEND,
+// OBSOLETE 				&rights);
+// OBSOLETE       CHK ("deallocate_inferior_ports: get refs", ret);
+// OBSOLETE 
+// OBSOLETE       if (rights > 0)
+// OBSOLETE 	{
+// OBSOLETE 	  ret = mach_port_mod_refs (mach_task_self (),
+// OBSOLETE 				    thread_list[index],
+// OBSOLETE 				    MACH_PORT_RIGHT_SEND,
+// OBSOLETE 				    -rights);
+// OBSOLETE 	  CHK ("deallocate_inferior_ports: mod refs", ret);
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_mod_refs (mach_task_self (),
+// OBSOLETE 			    inferior_exception_port,
+// OBSOLETE 			    MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE 			    -1);
+// OBSOLETE   CHK ("deallocate_inferior_ports: cannot get rid of exception port", ret);
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_deallocate (mach_task_self (),
+// OBSOLETE 			      inferior_task);
+// OBSOLETE   CHK ("deallocate_task_port: deallocating inferior_task", ret);
+// OBSOLETE 
+// OBSOLETE   current_thread = MACH_PORT_NULL;
+// OBSOLETE   inferior_task = MACH_PORT_NULL;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Stop debugging the process whose number is PID
+// OBSOLETE    and continue it with signal number SIGNAL.
+// OBSOLETE    SIGNAL = 0 means just continue it.  */
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE m3_do_detach (int signal)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   MACH_ERROR_NO_INFERIOR;
+// OBSOLETE 
+// OBSOLETE   if (current_thread != MACH_PORT_NULL)
+// OBSOLETE     {
+// OBSOLETE       /* Store the gdb's view of the thread we are deselecting
+// OBSOLETE        * before we detach.
+// OBSOLETE        * @@ I am really not sure if this is ever needeed.
+// OBSOLETE        */
+// OBSOLETE       target_prepare_to_store ();
+// OBSOLETE       target_store_registers (-1);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   ret = task_set_special_port (inferior_task,
+// OBSOLETE 			       TASK_EXCEPTION_PORT,
+// OBSOLETE 			       inferior_old_exception_port);
+// OBSOLETE   CHK ("task_set_special_port", ret);
+// OBSOLETE 
+// OBSOLETE   /* Discard all requested notifications */
+// OBSOLETE   setup_notify_port (0);
+// OBSOLETE 
+// OBSOLETE   if (remove_breakpoints ())
+// OBSOLETE     warning ("Could not remove breakpoints when detaching");
+// OBSOLETE 
+// OBSOLETE   if (signal && PIDGET (inferior_ptid) > 0)
+// OBSOLETE     kill (PIDGET (inferior_ptid), signal);
+// OBSOLETE 
+// OBSOLETE   /* the task might be dead by now */
+// OBSOLETE   (void) task_resume (inferior_task);
+// OBSOLETE 
+// OBSOLETE   deallocate_inferior_ports ();
+// OBSOLETE 
+// OBSOLETE   attach_flag = 0;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Take a program previously attached to and detaches it.
+// OBSOLETE    The program resumes execution and will no longer stop
+// OBSOLETE    on signals, etc.  We'd better not have left any breakpoints
+// OBSOLETE    in the program or it'll die when it hits one.  For this
+// OBSOLETE    to work, it may be necessary for the process to have been
+// OBSOLETE    previously attached.  It *might* work if the program was
+// OBSOLETE    started via fork.  */
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE m3_detach (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   int siggnal = 0;
+// OBSOLETE 
+// OBSOLETE   if (from_tty)
+// OBSOLETE     {
+// OBSOLETE       char *exec_file = get_exec_file (0);
+// OBSOLETE       if (exec_file == 0)
+// OBSOLETE 	exec_file = "";
+// OBSOLETE       printf_unfiltered ("Detaching from program: %s %s\n",
+// OBSOLETE 			 exec_file, target_pid_to_str (inferior_ptid));
+// OBSOLETE       gdb_flush (gdb_stdout);
+// OBSOLETE     }
+// OBSOLETE   if (args)
+// OBSOLETE     siggnal = atoi (args);
+// OBSOLETE 
+// OBSOLETE   m3_do_detach (siggnal);
+// OBSOLETE   inferior_ptid = null_ptid;
+// OBSOLETE   unpush_target (&m3_ops);	/* Pop out of handling an inferior */
+// OBSOLETE }
+// OBSOLETE #endif /* ATTACH_DETACH */
+// OBSOLETE 
+// OBSOLETE /* Get ready to modify the registers array.  On machines which store
+// OBSOLETE    individual registers, this doesn't need to do anything.  On machines
+// OBSOLETE    which store all the registers in one fell swoop, this makes sure
+// OBSOLETE    that registers contains all the registers from the program being
+// OBSOLETE    debugged.  */
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE m3_prepare_to_store (void)
+// OBSOLETE {
+// OBSOLETE #ifdef CHILD_PREPARE_TO_STORE
+// OBSOLETE   CHILD_PREPARE_TO_STORE ();
+// OBSOLETE #endif
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Print status information about what we're accessing.  */
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE m3_files_info (struct target_ops *ignore)
+// OBSOLETE {
+// OBSOLETE   /* FIXME: should print MID and all that crap.  */
+// OBSOLETE   printf_unfiltered ("\tUsing the running image of %s %s.\n",
+// OBSOLETE       attach_flag ? "attached" : "child", target_pid_to_str (inferior_ptid));
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE m3_open (char *arg, int from_tty)
+// OBSOLETE {
+// OBSOLETE   error ("Use the \"run\" command to start a Unix child process.");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #ifdef DUMP_SYSCALL
+// OBSOLETE #define STR(x) #x
+// OBSOLETE 
+// OBSOLETE char *bsd1_names[] =
+// OBSOLETE {
+// OBSOLETE   "execve",
+// OBSOLETE   "fork",
+// OBSOLETE   "take_signal",
+// OBSOLETE   "sigreturn",
+// OBSOLETE   "getrusage",
+// OBSOLETE   "chdir",
+// OBSOLETE   "chroot",
+// OBSOLETE   "open",
+// OBSOLETE   "creat",
+// OBSOLETE   "mknod",
+// OBSOLETE   "link",
+// OBSOLETE   "symlink",
+// OBSOLETE   "unlink",
+// OBSOLETE   "access",
+// OBSOLETE   "stat",
+// OBSOLETE   "readlink",
+// OBSOLETE   "chmod",
+// OBSOLETE   "chown",
+// OBSOLETE   "utimes",
+// OBSOLETE   "truncate",
+// OBSOLETE   "rename",
+// OBSOLETE   "mkdir",
+// OBSOLETE   "rmdir",
+// OBSOLETE   "xutimes",
+// OBSOLETE   "mount",
+// OBSOLETE   "umount",
+// OBSOLETE   "acct",
+// OBSOLETE   "setquota",
+// OBSOLETE   "write_short",
+// OBSOLETE   "write_long",
+// OBSOLETE   "send_short",
+// OBSOLETE   "send_long",
+// OBSOLETE   "sendto_short",
+// OBSOLETE   "sendto_long",
+// OBSOLETE   "select",
+// OBSOLETE   "task_by_pid",
+// OBSOLETE   "recvfrom_short",
+// OBSOLETE   "recvfrom_long",
+// OBSOLETE   "setgroups",
+// OBSOLETE   "setrlimit",
+// OBSOLETE   "sigvec",
+// OBSOLETE   "sigstack",
+// OBSOLETE   "settimeofday",
+// OBSOLETE   "adjtime",
+// OBSOLETE   "setitimer",
+// OBSOLETE   "sethostname",
+// OBSOLETE   "bind",
+// OBSOLETE   "accept",
+// OBSOLETE   "connect",
+// OBSOLETE   "setsockopt",
+// OBSOLETE   "getsockopt",
+// OBSOLETE   "getsockname",
+// OBSOLETE   "getpeername",
+// OBSOLETE   "init_process",
+// OBSOLETE   "table_set",
+// OBSOLETE   "table_get",
+// OBSOLETE   "pioctl",
+// OBSOLETE   "emulator_error",
+// OBSOLETE   "readwrite",
+// OBSOLETE   "share_wakeup",
+// OBSOLETE   0,
+// OBSOLETE   "maprw_request_it",
+// OBSOLETE   "maprw_release_it",
+// OBSOLETE   "maprw_remap",
+// OBSOLETE   "pid_by_task",
+// OBSOLETE };
+// OBSOLETE 
+// OBSOLETE int bsd1_nnames = sizeof (bsd1_names) / sizeof (bsd1_names[0]);
+// OBSOLETE 
+// OBSOLETE char *
+// OBSOLETE name_str (int name, char *buf)
+// OBSOLETE {
+// OBSOLETE   switch (name)
+// OBSOLETE     {
+// OBSOLETE     case MACH_MSG_TYPE_BOOLEAN:
+// OBSOLETE       return "boolean";
+// OBSOLETE     case MACH_MSG_TYPE_INTEGER_16:
+// OBSOLETE       return "short";
+// OBSOLETE     case MACH_MSG_TYPE_INTEGER_32:
+// OBSOLETE       return "long";
+// OBSOLETE     case MACH_MSG_TYPE_CHAR:
+// OBSOLETE       return "char";
+// OBSOLETE     case MACH_MSG_TYPE_BYTE:
+// OBSOLETE       return "byte";
+// OBSOLETE     case MACH_MSG_TYPE_REAL:
+// OBSOLETE       return "real";
+// OBSOLETE     case MACH_MSG_TYPE_STRING:
+// OBSOLETE       return "string";
+// OBSOLETE     default:
+// OBSOLETE       sprintf (buf, "%d", name);
+// OBSOLETE       return buf;
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE char *
+// OBSOLETE id_str (int id, char *buf)
+// OBSOLETE {
+// OBSOLETE   char *p;
+// OBSOLETE   if (id >= 101000 && id < 101000 + bsd1_nnames)
+// OBSOLETE     {
+// OBSOLETE       if (p = bsd1_names[id - 101000])
+// OBSOLETE 	return p;
+// OBSOLETE     }
+// OBSOLETE   if (id == 102000)
+// OBSOLETE     return "psignal_retry";
+// OBSOLETE   if (id == 100000)
+// OBSOLETE     return "syscall";
+// OBSOLETE   sprintf (buf, "%d", id);
+// OBSOLETE   return buf;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE print_msg (mach_msg_header_t *mp)
+// OBSOLETE {
+// OBSOLETE   char *fmt_x = "%20s : 0x%08x\n";
+// OBSOLETE   char *fmt_d = "%20s : %10d\n";
+// OBSOLETE   char *fmt_s = "%20s : %s\n";
+// OBSOLETE   char buf[100];
+// OBSOLETE 
+// OBSOLETE   puts_filtered ("\n");
+// OBSOLETE #define pr(fmt,h,x) printf_filtered(fmt,STR(x),(h).x)
+// OBSOLETE   pr (fmt_x, (*mp), msgh_bits);
+// OBSOLETE   pr (fmt_d, (*mp), msgh_size);
+// OBSOLETE   pr (fmt_x, (*mp), msgh_remote_port);
+// OBSOLETE   pr (fmt_x, (*mp), msgh_local_port);
+// OBSOLETE   pr (fmt_d, (*mp), msgh_kind);
+// OBSOLETE   printf_filtered (fmt_s, STR (msgh_id), id_str (mp->msgh_id, buf));
+// OBSOLETE 
+// OBSOLETE   if (debug_level > 1)
+// OBSOLETE     {
+// OBSOLETE       char *p, *ep, *dp;
+// OBSOLETE       int plen;
+// OBSOLETE       p = (char *) mp;
+// OBSOLETE       ep = p + mp->msgh_size;
+// OBSOLETE       p += sizeof (*mp);
+// OBSOLETE       for (; p < ep; p += plen)
+// OBSOLETE 	{
+// OBSOLETE 	  mach_msg_type_t *tp;
+// OBSOLETE 	  mach_msg_type_long_t *tlp;
+// OBSOLETE 	  int name, size, number;
+// OBSOLETE 	  tp = (mach_msg_type_t *) p;
+// OBSOLETE 	  if (tp->msgt_longform)
+// OBSOLETE 	    {
+// OBSOLETE 	      tlp = (mach_msg_type_long_t *) tp;
+// OBSOLETE 	      name = tlp->msgtl_name;
+// OBSOLETE 	      size = tlp->msgtl_size;
+// OBSOLETE 	      number = tlp->msgtl_number;
+// OBSOLETE 	      plen = sizeof (*tlp);
+// OBSOLETE 	    }
+// OBSOLETE 	  else
+// OBSOLETE 	    {
+// OBSOLETE 	      name = tp->msgt_name;
+// OBSOLETE 	      size = tp->msgt_size;
+// OBSOLETE 	      number = tp->msgt_number;
+// OBSOLETE 	      plen = sizeof (*tp);
+// OBSOLETE 	    }
+// OBSOLETE 	  printf_filtered ("name=%-16s size=%2d number=%7d inline=%d long=%d deal=%d\n",
+// OBSOLETE 			name_str (name, buf), size, number, tp->msgt_inline,
+// OBSOLETE 			   tp->msgt_longform, tp->msgt_deallocate);
+// OBSOLETE 	  dp = p + plen;
+// OBSOLETE 	  if (tp->msgt_inline)
+// OBSOLETE 	    {
+// OBSOLETE 	      int l;
+// OBSOLETE 	      l = size * number / 8;
+// OBSOLETE 	      l = (l + sizeof (long) - 1) & ~((sizeof (long)) - 1);
+// OBSOLETE 	      plen += l;
+// OBSOLETE 	      print_data (dp, size, number);
+// OBSOLETE 	    }
+// OBSOLETE 	  else
+// OBSOLETE 	    {
+// OBSOLETE 	      plen += sizeof (int *);
+// OBSOLETE 	    }
+// OBSOLETE 	  printf_filtered ("plen=%d\n", plen);
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE print_data (char *p, int size, int number)
+// OBSOLETE {
+// OBSOLETE   int *ip;
+// OBSOLETE   short *sp;
+// OBSOLETE   int i;
+// OBSOLETE 
+// OBSOLETE   switch (size)
+// OBSOLETE     {
+// OBSOLETE     case 8:
+// OBSOLETE       for (i = 0; i < number; i++)
+// OBSOLETE 	{
+// OBSOLETE 	  printf_filtered (" %02x", p[i]);
+// OBSOLETE 	}
+// OBSOLETE       break;
+// OBSOLETE     case 16:
+// OBSOLETE       sp = (short *) p;
+// OBSOLETE       for (i = 0; i < number; i++)
+// OBSOLETE 	{
+// OBSOLETE 	  printf_filtered (" %04x", sp[i]);
+// OBSOLETE 	}
+// OBSOLETE       break;
+// OBSOLETE     case 32:
+// OBSOLETE       ip = (int *) p;
+// OBSOLETE       for (i = 0; i < number; i++)
+// OBSOLETE 	{
+// OBSOLETE 	  printf_filtered (" %08x", ip[i]);
+// OBSOLETE 	}
+// OBSOLETE       break;
+// OBSOLETE     }
+// OBSOLETE   puts_filtered ("\n");
+// OBSOLETE }
+// OBSOLETE #endif /* DUMP_SYSCALL */
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE m3_stop (void)
+// OBSOLETE {
+// OBSOLETE   error ("to_stop target function not implemented");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static char *
+// OBSOLETE m3_pid_to_exec_file (int pid)
+// OBSOLETE {
+// OBSOLETE   error ("to_pid_to_exec_file target function not implemented");
+// OBSOLETE   return NULL;			/* To keep all compilers happy. */
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE init_m3_ops (void)
+// OBSOLETE {
+// OBSOLETE   m3_ops.to_shortname = "mach";
+// OBSOLETE   m3_ops.to_longname = "Mach child process";
+// OBSOLETE   m3_ops.to_doc = "Mach child process (started by the \"run\" command).";
+// OBSOLETE   m3_ops.to_open = m3_open;
+// OBSOLETE   m3_ops.to_attach = m3_attach;
+// OBSOLETE   m3_ops.to_detach = m3_detach;
+// OBSOLETE   m3_ops.to_resume = m3_resume;
+// OBSOLETE   m3_ops.to_wait = mach_really_wait;
+// OBSOLETE   m3_ops.to_fetch_registers = fetch_inferior_registers;
+// OBSOLETE   m3_ops.to_store_registers = store_inferior_registers;
+// OBSOLETE   m3_ops.to_prepare_to_store = m3_prepare_to_store;
+// OBSOLETE   m3_ops.to_xfer_memory = m3_xfer_memory;
+// OBSOLETE   m3_ops.to_files_info = m3_files_info;
+// OBSOLETE   m3_ops.to_insert_breakpoint = memory_insert_breakpoint;
+// OBSOLETE   m3_ops.to_remove_breakpoint = memory_remove_breakpoint;
+// OBSOLETE   m3_ops.to_terminal_init = terminal_init_inferior;
+// OBSOLETE   m3_ops.to_terminal_inferior = terminal_inferior;
+// OBSOLETE   m3_ops.to_terminal_ours_for_output = terminal_ours_for_output;
+// OBSOLETE   m3_ops.to_terminal_save_ours = terminal_save_ours;
+// OBSOLETE   m3_ops.to_terminal_ours = terminal_ours;
+// OBSOLETE   m3_ops.to_terminal_info = child_terminal_info;
+// OBSOLETE   m3_ops.to_kill = m3_kill_inferior;
+// OBSOLETE   m3_ops.to_create_inferior = m3_create_inferior;
+// OBSOLETE   m3_ops.to_mourn_inferior = m3_mourn_inferior;
+// OBSOLETE   m3_ops.to_can_run = m3_can_run;
+// OBSOLETE   m3_ops.to_stop = m3_stop;
+// OBSOLETE   m3_ops.to_pid_to_exec_file = m3_pid_to_exec_file;
+// OBSOLETE   m3_ops.to_stratum = process_stratum;
+// OBSOLETE   m3_ops.to_has_all_memory = 1;
+// OBSOLETE   m3_ops.to_has_memory = 1;
+// OBSOLETE   m3_ops.to_has_stack = 1;
+// OBSOLETE   m3_ops.to_has_registers = 1;
+// OBSOLETE   m3_ops.to_has_execution = 1;
+// OBSOLETE   m3_ops.to_magic = OPS_MAGIC;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE _initialize_m3_nat (void)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   init_m3_ops ();
+// OBSOLETE   add_target (&m3_ops);
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE 			    MACH_PORT_RIGHT_PORT_SET,
+// OBSOLETE 			    &inferior_wait_port_set);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     internal_error (__FILE__, __LINE__,
+// OBSOLETE 		    "initial port set %s", mach_error_string (ret));
+// OBSOLETE 
+// OBSOLETE   /* mach_really_wait now waits for this */
+// OBSOLETE   currently_waiting_for = inferior_wait_port_set;
+// OBSOLETE 
+// OBSOLETE   ret = netname_look_up (name_server_port, hostname, "MachID", &mid_server);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     {
+// OBSOLETE       mid_server = MACH_PORT_NULL;
+// OBSOLETE 
+// OBSOLETE       warning ("initialize machid: netname_lookup_up(MachID) : %s",
+// OBSOLETE 	       mach_error_string (ret));
+// OBSOLETE       warning ("Some (most?) features disabled...");
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   mid_auth = mach_privileged_host_port ();
+// OBSOLETE   if (mid_auth == MACH_PORT_NULL)
+// OBSOLETE     mid_auth = mach_task_self ();
+// OBSOLETE 
+// OBSOLETE   obstack_init (port_chain_obstack);
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE 			    MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE 			    &thread_exception_port);
+// OBSOLETE   CHK ("Creating thread_exception_port for single stepping", ret);
+// OBSOLETE 
+// OBSOLETE   ret = mach_port_insert_right (mach_task_self (),
+// OBSOLETE 				thread_exception_port,
+// OBSOLETE 				thread_exception_port,
+// OBSOLETE 				MACH_MSG_TYPE_MAKE_SEND);
+// OBSOLETE   CHK ("Inserting send right to thread_exception_port", ret);
+// OBSOLETE 
+// OBSOLETE   /* Allocate message port */
+// OBSOLETE   ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE 			    MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE 			    &our_message_port);
+// OBSOLETE   if (ret != KERN_SUCCESS)
+// OBSOLETE     warning ("Creating message port %s", mach_error_string (ret));
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       char buf[MAX_NAME_LEN];
+// OBSOLETE       ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE 				   our_message_port,
+// OBSOLETE 				   inferior_wait_port_set);
+// OBSOLETE       if (ret != KERN_SUCCESS)
+// OBSOLETE 	warning ("message move member %s", mach_error_string (ret));
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE       /* @@@@ No way to change message port name currently */
+// OBSOLETE       /* Foo. This assumes gdb has a unix pid */
+// OBSOLETE       sprintf (buf, "gdb-%d", getpid ());
+// OBSOLETE       gdb_register_port (buf, our_message_port);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* Heap for thread commands */
+// OBSOLETE   obstack_init (cproc_obstack);
+// OBSOLETE 
+// OBSOLETE   add_mach_specific_commands ();
+// OBSOLETE }
diff --git a/gdb/mipsm3-nat.c b/gdb/mipsm3-nat.c
index 22f947f..f1fd859 100644
--- a/gdb/mipsm3-nat.c
+++ b/gdb/mipsm3-nat.c
@@ -1,386 +1,386 @@
-/* Definitions to make GDB run on a mips box under Mach 3.0
-   Copyright 1992, 1993, 1998, 2000, 2001 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-/* Mach specific routines for little endian mips (e.g. pmax)
- * running Mach 3.0
- *
- * Author: Jukka Virtanen <jtv@hut.fi>
- */
-
-#include "defs.h"
-#include "inferior.h"
-#include "regcache.h"
-
-#include <stdio.h>
-
-#include <mach.h>
-#include <mach/message.h>
-#include <mach/exception.h>
-#include <mach_error.h>
-
-/* Find offsets to thread states at compile time.
- * If your compiler does not grok this, check the hand coded
- * offsets and use them.
- */
-
-#if 1
-
-#define  REG_OFFSET(reg) (int)(&((struct mips_thread_state *)0)->reg)
-#define CREG_OFFSET(reg) (int)(&((struct mips_float_state *)0)->reg)
-#define EREG_OFFSET(reg) (int)(&((struct mips_exc_state *)0)->reg)
-
-/* at reg_offset[i] is the offset to the mips_thread_state
- * location where the gdb registers[i] is stored.
- *
- * -1 means mach does not save it anywhere.
- */
-static int reg_offset[] =
-{
-  /*  zero              at                v0                v1       */
-  -1, REG_OFFSET (r1), REG_OFFSET (r2), REG_OFFSET (r3),
-
-  /*  a0                a1                a2                a3       */
-  REG_OFFSET (r4), REG_OFFSET (r5), REG_OFFSET (r6), REG_OFFSET (r7),
-
-  /*  t0                t1                t2                t3       */
-  REG_OFFSET (r8), REG_OFFSET (r9), REG_OFFSET (r10), REG_OFFSET (r11),
-
-  /*  t4                t5                t6                t7       */
-  REG_OFFSET (r12), REG_OFFSET (r13), REG_OFFSET (r14), REG_OFFSET (r15),
-
-  /*  s0                s1                s2                s3       */
-  REG_OFFSET (r16), REG_OFFSET (r17), REG_OFFSET (r18), REG_OFFSET (r19),
-
-  /*  s4                s5                s6                s7       */
-  REG_OFFSET (r20), REG_OFFSET (r21), REG_OFFSET (r22), REG_OFFSET (r23),
-
-  /*  t8                t9                k0                k1       */
-  REG_OFFSET (r24), REG_OFFSET (r25), REG_OFFSET (r26), REG_OFFSET (r27),
-
-  /*  gp                sp            s8(30) == fp(72)      ra       */
-  REG_OFFSET (r28), REG_OFFSET (r29), REG_OFFSET (r30), REG_OFFSET (r31),
-
-  /*  sr(32) PS_REGNUM   */
-  EREG_OFFSET (coproc_state),
-
-  /*  lo(33)            hi(34)    */
-  REG_OFFSET (mdlo), REG_OFFSET (mdhi),
-
-  /*  bad(35)                 cause(36)          pc(37)  */
-  EREG_OFFSET (address), EREG_OFFSET (cause), REG_OFFSET (pc),
-
-  /*  f0(38)             f1(39)             f2(40)             f3(41)   */
-  CREG_OFFSET (r0), CREG_OFFSET (r1), CREG_OFFSET (r2), CREG_OFFSET (r3),
-  CREG_OFFSET (r4), CREG_OFFSET (r5), CREG_OFFSET (r6), CREG_OFFSET (r7),
-  CREG_OFFSET (r8), CREG_OFFSET (r9), CREG_OFFSET (r10), CREG_OFFSET (r11),
-  CREG_OFFSET (r12), CREG_OFFSET (r13), CREG_OFFSET (r14), CREG_OFFSET (r15),
-  CREG_OFFSET (r16), CREG_OFFSET (r17), CREG_OFFSET (r18), CREG_OFFSET (r19),
-  CREG_OFFSET (r20), CREG_OFFSET (r21), CREG_OFFSET (r22), CREG_OFFSET (r23),
-  CREG_OFFSET (r24), CREG_OFFSET (r25), CREG_OFFSET (r26), CREG_OFFSET (r27),
-  CREG_OFFSET (r28), CREG_OFFSET (r29), CREG_OFFSET (r30), CREG_OFFSET (r31),
-
-  /*  fsr(70)           fir(71)         fp(72) == s8(30) */
-  CREG_OFFSET (csr), CREG_OFFSET (esr), REG_OFFSET (r30)
-};
-#else
-/* If the compiler does not grok the above defines */
-static int reg_offset[] =
-{
-/* mach_thread_state offsets: */
-  -1, 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56,
-  60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120,
-/*sr, lo, hi,addr,cause,pc   */
-  8, 124, 128, 4, 0, 132,
-/* mach_float_state offsets: */
-  0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60,
-  64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, 124,
-/*fsr,fir */
-  128, 132,
-/* FP_REGNUM pseudo maps to s8==r30 in mach_thread_state */
-  116
-};
-#endif
-
-/* Fetch COUNT contiguous registers from thread STATE starting from REGNUM
- * Caller knows that the regs handled in one transaction are of same size.
- */
-#define FETCH_REGS(state, regnum, count) \
-  memcpy (&deprecated_registers[REGISTER_BYTE (regnum)], \
-	  (char *)state+reg_offset[ regnum ], \
-	  count*REGISTER_SIZE)
-
-/* Store COUNT contiguous registers to thread STATE starting from REGNUM */
-#define STORE_REGS(state, regnum, count) \
-  memcpy ((char *)state+reg_offset[ regnum ], \
-	  &deprecated_registers[REGISTER_BYTE (regnum)], \
-	  count*REGISTER_SIZE)
-
-#define REGS_ALL    -1
-#define REGS_NORMAL  1
-#define REGS_EXC     2
-#define REGS_COP1    4
-
-/* Hardware regs that matches FP_REGNUM */
-#define MACH_FP_REGNUM 30
-
-/* Fech thread's registers. if regno == -1, fetch all regs */
-void
-fetch_inferior_registers (int regno)
-{
-  kern_return_t ret;
-
-  thread_state_data_t state;
-  struct mips_exc_state exc_state;
-
-  int stateCnt = MIPS_THREAD_STATE_COUNT;
-
-  int which_regs = 0;		/* A bit mask */
-
-  if (!MACH_PORT_VALID (current_thread))
-    error ("fetch inferior registers: Invalid thread");
-
-  if (regno < -1 || regno >= NUM_REGS)
-    error ("invalid register %d supplied to fetch_inferior_registers", regno);
-
-  if (regno == -1)
-    which_regs = REGS_ALL;
-  else if (regno == ZERO_REGNUM)
-    {
-      int zero = 0;
-      supply_register (ZERO_REGNUM, &zero);
-      return;
-    }
-  else if ((ZERO_REGNUM < regno && regno < PS_REGNUM)
-	   || regno == FP_REGNUM
-	   || regno == LO_REGNUM
-	   || regno == HI_REGNUM
-	   || regno == PC_REGNUM)
-    which_regs = REGS_NORMAL;
-  else if (FP0_REGNUM <= regno && regno <= FCRIR_REGNUM)
-    which_regs = REGS_COP1 | REGS_EXC;
-  else
-    which_regs = REGS_EXC;
-
-  /* fetch regs saved to mips_thread_state */
-  if (which_regs & REGS_NORMAL)
-    {
-      ret = thread_get_state (current_thread,
-			      MIPS_THREAD_STATE,
-			      state,
-			      &stateCnt);
-      CHK ("fetch inferior registers: thread_get_state", ret);
-
-      if (which_regs == REGS_NORMAL)
-	{
-	  /* Fetch also FP_REGNUM if fetching MACH_FP_REGNUM and vice versa */
-	  if (regno == MACH_FP_REGNUM || regno == FP_REGNUM)
-	    {
-	      supply_register (FP_REGNUM,
-			       (char *) state + reg_offset[MACH_FP_REGNUM]);
-	      supply_register (MACH_FP_REGNUM,
-			       (char *) state + reg_offset[MACH_FP_REGNUM]);
-	    }
-	  else
-	    supply_register (regno,
-			     (char *) state + reg_offset[regno]);
-	  return;
-	}
-
-      /* ZERO_REGNUM is always zero */
-      *(int *) deprecated_registers = 0;
-
-      /* Copy thread saved regs 1..31 to gdb's reg value array
-       * Luckily, they are contiquous
-       */
-      FETCH_REGS (state, 1, 31);
-
-      /* Copy mdlo and mdhi */
-      FETCH_REGS (state, LO_REGNUM, 2);
-
-      /* Copy PC */
-      FETCH_REGS (state, PC_REGNUM, 1);
-
-      /* Mach 3.0 saves FP to MACH_FP_REGNUM.
-       * For some reason gdb wants to assign a pseudo register for it.
-       */
-      FETCH_REGS (state, FP_REGNUM, 1);
-    }
-
-  /* Read exc state. Also read if need to fetch floats */
-  if (which_regs & REGS_EXC)
-    {
-      stateCnt = MIPS_EXC_STATE_COUNT;
-      ret = thread_get_state (current_thread,
-			      MIPS_EXC_STATE,
-			      (thread_state_t) & exc_state,
-			      &stateCnt);
-      CHK ("fetch inferior regs (exc): thread_get_state", ret);
-
-      /* We need to fetch exc_state to see if the floating
-       * state is valid for the thread.
-       */
-
-      /* cproc_state: Which coprocessors the thread uses */
-      supply_register (PS_REGNUM,
-		       (char *) &exc_state + reg_offset[PS_REGNUM]);
-
-      if (which_regs == REGS_EXC || which_regs == REGS_ALL)
-	{
-	  supply_register (BADVADDR_REGNUM,
-			 (char *) &exc_state + reg_offset[BADVADDR_REGNUM]);
-
-	  supply_register (CAUSE_REGNUM,
-			   (char *) &exc_state + reg_offset[CAUSE_REGNUM]);
-	  if (which_regs == REGS_EXC)
-	    return;
-	}
-    }
-
-
-  if (which_regs & REGS_COP1)
-    {
-      /* If the thread does not have saved COPROC1, set regs to zero */
-
-      if (!(exc_state.coproc_state & MIPS_STATUS_USE_COP1))
-	bzero (&deprecated_registers[REGISTER_BYTE (FP0_REGNUM)],
-	       sizeof (struct mips_float_state));
-      else
-	{
-	  stateCnt = MIPS_FLOAT_STATE_COUNT;
-	  ret = thread_get_state (current_thread,
-				  MIPS_FLOAT_STATE,
-				  state,
-				  &stateCnt);
-	  CHK ("fetch inferior regs (floats): thread_get_state", ret);
-
-	  if (regno != -1)
-	    {
-	      supply_register (regno,
-			       (char *) state + reg_offset[regno]);
-	      return;
-	    }
-
-	  FETCH_REGS (state, FP0_REGNUM, 34);
-	}
-    }
-
-  /* All registers are valid, if not returned yet */
-  deprecated_registers_fetched ();
-}
-
-/* Store gdb's view of registers to the thread.
- * All registers are always valid when entering here.
- * @@ ahem, maybe that is too strict, we could validate the necessary ones
- *    here.
- *
- * Hmm. It seems that gdb set $reg=value command first reads everything,
- * then sets the reg and then stores everything. -> we must make sure
- * that the immutable registers are not changed by reading them first.
- */
-
-void
-store_inferior_registers (register int regno)
-{
-  thread_state_data_t state;
-  kern_return_t ret;
-
-  if (!MACH_PORT_VALID (current_thread))
-    error ("store inferior registers: Invalid thread");
-
-  /* Check for read only regs.
-   * @@ If some of these is can be changed, fix this
-   */
-  if (regno == ZERO_REGNUM ||
-      regno == PS_REGNUM ||
-      regno == BADVADDR_REGNUM ||
-      regno == CAUSE_REGNUM ||
-      regno == FCRIR_REGNUM)
-    {
-      message ("You can not alter read-only register `%s'",
-	       REGISTER_NAME (regno));
-      fetch_inferior_registers (regno);
-      return;
-    }
-
-  if (regno == -1)
-    {
-      /* Don't allow these to change */
-
-      /* ZERO_REGNUM */
-      *(int *) deprecated_registers = 0;
-
-      fetch_inferior_registers (PS_REGNUM);
-      fetch_inferior_registers (BADVADDR_REGNUM);
-      fetch_inferior_registers (CAUSE_REGNUM);
-      fetch_inferior_registers (FCRIR_REGNUM);
-    }
-
-  if (regno == -1 || (ZERO_REGNUM < regno && regno <= PC_REGNUM))
-    {
-#if 1
-      /* Mach 3.0 saves thread's FP to MACH_FP_REGNUM.
-       * GDB wants assigns a pseudo register FP_REGNUM for frame pointer.
-       *
-       * @@@ Here I assume (!) that gdb's FP has the value that
-       *     should go to threads frame pointer. If not true, this
-       *     fails badly!!!!!
-       */
-      memcpy (&deprecated_registers[REGISTER_BYTE (MACH_FP_REGNUM)],
-	      &deprecated_registers[REGISTER_BYTE (FP_REGNUM)],
-	      REGISTER_RAW_SIZE (FP_REGNUM));
-#endif
-
-      /* Save gdb's regs 1..31 to thread saved regs 1..31
-       * Luckily, they are contiquous
-       */
-      STORE_REGS (state, 1, 31);
-
-      /* Save mdlo, mdhi */
-      STORE_REGS (state, LO_REGNUM, 2);
-
-      /* Save PC */
-      STORE_REGS (state, PC_REGNUM, 1);
-
-      ret = thread_set_state (current_thread,
-			      MIPS_THREAD_STATE,
-			      state,
-			      MIPS_FLOAT_STATE_COUNT);
-      CHK ("store inferior regs : thread_set_state", ret);
-    }
-
-  if (regno == -1 || regno >= FP0_REGNUM)
-    {
-      /* If thread has floating state, save it */
-      if (read_register (PS_REGNUM) & MIPS_STATUS_USE_COP1)
-	{
-	  /* Do NOT save FCRIR_REGNUM */
-	  STORE_REGS (state, FP0_REGNUM, 33);
-
-	  ret = thread_set_state (current_thread,
-				  MIPS_FLOAT_STATE,
-				  state,
-				  MIPS_FLOAT_STATE_COUNT);
-	  CHK ("store inferior registers (floats): thread_set_state", ret);
-	}
-      else if (regno != -1)
-	message
-	  ("Thread does not use floating point unit, floating regs not saved");
-    }
-}
+// OBSOLETE /* Definitions to make GDB run on a mips box under Mach 3.0
+// OBSOLETE    Copyright 1992, 1993, 1998, 2000, 2001 Free Software Foundation, Inc.
+// OBSOLETE 
+// OBSOLETE    This file is part of GDB.
+// OBSOLETE 
+// OBSOLETE    This program is free software; you can redistribute it and/or modify
+// OBSOLETE    it under the terms of the GNU General Public License as published by
+// OBSOLETE    the Free Software Foundation; either version 2 of the License, or
+// OBSOLETE    (at your option) any later version.
+// OBSOLETE 
+// OBSOLETE    This program is distributed in the hope that it will be useful,
+// OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of
+// OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// OBSOLETE    GNU General Public License for more details.
+// OBSOLETE 
+// OBSOLETE    You should have received a copy of the GNU General Public License
+// OBSOLETE    along with this program; if not, write to the Free Software
+// OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,
+// OBSOLETE    Boston, MA 02111-1307, USA.  */
+// OBSOLETE 
+// OBSOLETE /* Mach specific routines for little endian mips (e.g. pmax)
+// OBSOLETE  * running Mach 3.0
+// OBSOLETE  *
+// OBSOLETE  * Author: Jukka Virtanen <jtv@hut.fi>
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE #include "defs.h"
+// OBSOLETE #include "inferior.h"
+// OBSOLETE #include "regcache.h"
+// OBSOLETE 
+// OBSOLETE #include <stdio.h>
+// OBSOLETE 
+// OBSOLETE #include <mach.h>
+// OBSOLETE #include <mach/message.h>
+// OBSOLETE #include <mach/exception.h>
+// OBSOLETE #include <mach_error.h>
+// OBSOLETE 
+// OBSOLETE /* Find offsets to thread states at compile time.
+// OBSOLETE  * If your compiler does not grok this, check the hand coded
+// OBSOLETE  * offsets and use them.
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE #if 1
+// OBSOLETE 
+// OBSOLETE #define  REG_OFFSET(reg) (int)(&((struct mips_thread_state *)0)->reg)
+// OBSOLETE #define CREG_OFFSET(reg) (int)(&((struct mips_float_state *)0)->reg)
+// OBSOLETE #define EREG_OFFSET(reg) (int)(&((struct mips_exc_state *)0)->reg)
+// OBSOLETE 
+// OBSOLETE /* at reg_offset[i] is the offset to the mips_thread_state
+// OBSOLETE  * location where the gdb registers[i] is stored.
+// OBSOLETE  *
+// OBSOLETE  * -1 means mach does not save it anywhere.
+// OBSOLETE  */
+// OBSOLETE static int reg_offset[] =
+// OBSOLETE {
+// OBSOLETE   /*  zero              at                v0                v1       */
+// OBSOLETE   -1, REG_OFFSET (r1), REG_OFFSET (r2), REG_OFFSET (r3),
+// OBSOLETE 
+// OBSOLETE   /*  a0                a1                a2                a3       */
+// OBSOLETE   REG_OFFSET (r4), REG_OFFSET (r5), REG_OFFSET (r6), REG_OFFSET (r7),
+// OBSOLETE 
+// OBSOLETE   /*  t0                t1                t2                t3       */
+// OBSOLETE   REG_OFFSET (r8), REG_OFFSET (r9), REG_OFFSET (r10), REG_OFFSET (r11),
+// OBSOLETE 
+// OBSOLETE   /*  t4                t5                t6                t7       */
+// OBSOLETE   REG_OFFSET (r12), REG_OFFSET (r13), REG_OFFSET (r14), REG_OFFSET (r15),
+// OBSOLETE 
+// OBSOLETE   /*  s0                s1                s2                s3       */
+// OBSOLETE   REG_OFFSET (r16), REG_OFFSET (r17), REG_OFFSET (r18), REG_OFFSET (r19),
+// OBSOLETE 
+// OBSOLETE   /*  s4                s5                s6                s7       */
+// OBSOLETE   REG_OFFSET (r20), REG_OFFSET (r21), REG_OFFSET (r22), REG_OFFSET (r23),
+// OBSOLETE 
+// OBSOLETE   /*  t8                t9                k0                k1       */
+// OBSOLETE   REG_OFFSET (r24), REG_OFFSET (r25), REG_OFFSET (r26), REG_OFFSET (r27),
+// OBSOLETE 
+// OBSOLETE   /*  gp                sp            s8(30) == fp(72)      ra       */
+// OBSOLETE   REG_OFFSET (r28), REG_OFFSET (r29), REG_OFFSET (r30), REG_OFFSET (r31),
+// OBSOLETE 
+// OBSOLETE   /*  sr(32) PS_REGNUM   */
+// OBSOLETE   EREG_OFFSET (coproc_state),
+// OBSOLETE 
+// OBSOLETE   /*  lo(33)            hi(34)    */
+// OBSOLETE   REG_OFFSET (mdlo), REG_OFFSET (mdhi),
+// OBSOLETE 
+// OBSOLETE   /*  bad(35)                 cause(36)          pc(37)  */
+// OBSOLETE   EREG_OFFSET (address), EREG_OFFSET (cause), REG_OFFSET (pc),
+// OBSOLETE 
+// OBSOLETE   /*  f0(38)             f1(39)             f2(40)             f3(41)   */
+// OBSOLETE   CREG_OFFSET (r0), CREG_OFFSET (r1), CREG_OFFSET (r2), CREG_OFFSET (r3),
+// OBSOLETE   CREG_OFFSET (r4), CREG_OFFSET (r5), CREG_OFFSET (r6), CREG_OFFSET (r7),
+// OBSOLETE   CREG_OFFSET (r8), CREG_OFFSET (r9), CREG_OFFSET (r10), CREG_OFFSET (r11),
+// OBSOLETE   CREG_OFFSET (r12), CREG_OFFSET (r13), CREG_OFFSET (r14), CREG_OFFSET (r15),
+// OBSOLETE   CREG_OFFSET (r16), CREG_OFFSET (r17), CREG_OFFSET (r18), CREG_OFFSET (r19),
+// OBSOLETE   CREG_OFFSET (r20), CREG_OFFSET (r21), CREG_OFFSET (r22), CREG_OFFSET (r23),
+// OBSOLETE   CREG_OFFSET (r24), CREG_OFFSET (r25), CREG_OFFSET (r26), CREG_OFFSET (r27),
+// OBSOLETE   CREG_OFFSET (r28), CREG_OFFSET (r29), CREG_OFFSET (r30), CREG_OFFSET (r31),
+// OBSOLETE 
+// OBSOLETE   /*  fsr(70)           fir(71)         fp(72) == s8(30) */
+// OBSOLETE   CREG_OFFSET (csr), CREG_OFFSET (esr), REG_OFFSET (r30)
+// OBSOLETE };
+// OBSOLETE #else
+// OBSOLETE /* If the compiler does not grok the above defines */
+// OBSOLETE static int reg_offset[] =
+// OBSOLETE {
+// OBSOLETE /* mach_thread_state offsets: */
+// OBSOLETE   -1, 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56,
+// OBSOLETE   60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120,
+// OBSOLETE /*sr, lo, hi,addr,cause,pc   */
+// OBSOLETE   8, 124, 128, 4, 0, 132,
+// OBSOLETE /* mach_float_state offsets: */
+// OBSOLETE   0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60,
+// OBSOLETE   64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, 124,
+// OBSOLETE /*fsr,fir */
+// OBSOLETE   128, 132,
+// OBSOLETE /* FP_REGNUM pseudo maps to s8==r30 in mach_thread_state */
+// OBSOLETE   116
+// OBSOLETE };
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE /* Fetch COUNT contiguous registers from thread STATE starting from REGNUM
+// OBSOLETE  * Caller knows that the regs handled in one transaction are of same size.
+// OBSOLETE  */
+// OBSOLETE #define FETCH_REGS(state, regnum, count) \
+// OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (regnum)], \
+// OBSOLETE 	  (char *)state+reg_offset[ regnum ], \
+// OBSOLETE 	  count*REGISTER_SIZE)
+// OBSOLETE 
+// OBSOLETE /* Store COUNT contiguous registers to thread STATE starting from REGNUM */
+// OBSOLETE #define STORE_REGS(state, regnum, count) \
+// OBSOLETE   memcpy ((char *)state+reg_offset[ regnum ], \
+// OBSOLETE 	  &deprecated_registers[REGISTER_BYTE (regnum)], \
+// OBSOLETE 	  count*REGISTER_SIZE)
+// OBSOLETE 
+// OBSOLETE #define REGS_ALL    -1
+// OBSOLETE #define REGS_NORMAL  1
+// OBSOLETE #define REGS_EXC     2
+// OBSOLETE #define REGS_COP1    4
+// OBSOLETE 
+// OBSOLETE /* Hardware regs that matches FP_REGNUM */
+// OBSOLETE #define MACH_FP_REGNUM 30
+// OBSOLETE 
+// OBSOLETE /* Fech thread's registers. if regno == -1, fetch all regs */
+// OBSOLETE void
+// OBSOLETE fetch_inferior_registers (int regno)
+// OBSOLETE {
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   thread_state_data_t state;
+// OBSOLETE   struct mips_exc_state exc_state;
+// OBSOLETE 
+// OBSOLETE   int stateCnt = MIPS_THREAD_STATE_COUNT;
+// OBSOLETE 
+// OBSOLETE   int which_regs = 0;		/* A bit mask */
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (current_thread))
+// OBSOLETE     error ("fetch inferior registers: Invalid thread");
+// OBSOLETE 
+// OBSOLETE   if (regno < -1 || regno >= NUM_REGS)
+// OBSOLETE     error ("invalid register %d supplied to fetch_inferior_registers", regno);
+// OBSOLETE 
+// OBSOLETE   if (regno == -1)
+// OBSOLETE     which_regs = REGS_ALL;
+// OBSOLETE   else if (regno == ZERO_REGNUM)
+// OBSOLETE     {
+// OBSOLETE       int zero = 0;
+// OBSOLETE       supply_register (ZERO_REGNUM, &zero);
+// OBSOLETE       return;
+// OBSOLETE     }
+// OBSOLETE   else if ((ZERO_REGNUM < regno && regno < PS_REGNUM)
+// OBSOLETE 	   || regno == FP_REGNUM
+// OBSOLETE 	   || regno == LO_REGNUM
+// OBSOLETE 	   || regno == HI_REGNUM
+// OBSOLETE 	   || regno == PC_REGNUM)
+// OBSOLETE     which_regs = REGS_NORMAL;
+// OBSOLETE   else if (FP0_REGNUM <= regno && regno <= FCRIR_REGNUM)
+// OBSOLETE     which_regs = REGS_COP1 | REGS_EXC;
+// OBSOLETE   else
+// OBSOLETE     which_regs = REGS_EXC;
+// OBSOLETE 
+// OBSOLETE   /* fetch regs saved to mips_thread_state */
+// OBSOLETE   if (which_regs & REGS_NORMAL)
+// OBSOLETE     {
+// OBSOLETE       ret = thread_get_state (current_thread,
+// OBSOLETE 			      MIPS_THREAD_STATE,
+// OBSOLETE 			      state,
+// OBSOLETE 			      &stateCnt);
+// OBSOLETE       CHK ("fetch inferior registers: thread_get_state", ret);
+// OBSOLETE 
+// OBSOLETE       if (which_regs == REGS_NORMAL)
+// OBSOLETE 	{
+// OBSOLETE 	  /* Fetch also FP_REGNUM if fetching MACH_FP_REGNUM and vice versa */
+// OBSOLETE 	  if (regno == MACH_FP_REGNUM || regno == FP_REGNUM)
+// OBSOLETE 	    {
+// OBSOLETE 	      supply_register (FP_REGNUM,
+// OBSOLETE 			       (char *) state + reg_offset[MACH_FP_REGNUM]);
+// OBSOLETE 	      supply_register (MACH_FP_REGNUM,
+// OBSOLETE 			       (char *) state + reg_offset[MACH_FP_REGNUM]);
+// OBSOLETE 	    }
+// OBSOLETE 	  else
+// OBSOLETE 	    supply_register (regno,
+// OBSOLETE 			     (char *) state + reg_offset[regno]);
+// OBSOLETE 	  return;
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       /* ZERO_REGNUM is always zero */
+// OBSOLETE       *(int *) deprecated_registers = 0;
+// OBSOLETE 
+// OBSOLETE       /* Copy thread saved regs 1..31 to gdb's reg value array
+// OBSOLETE        * Luckily, they are contiquous
+// OBSOLETE        */
+// OBSOLETE       FETCH_REGS (state, 1, 31);
+// OBSOLETE 
+// OBSOLETE       /* Copy mdlo and mdhi */
+// OBSOLETE       FETCH_REGS (state, LO_REGNUM, 2);
+// OBSOLETE 
+// OBSOLETE       /* Copy PC */
+// OBSOLETE       FETCH_REGS (state, PC_REGNUM, 1);
+// OBSOLETE 
+// OBSOLETE       /* Mach 3.0 saves FP to MACH_FP_REGNUM.
+// OBSOLETE        * For some reason gdb wants to assign a pseudo register for it.
+// OBSOLETE        */
+// OBSOLETE       FETCH_REGS (state, FP_REGNUM, 1);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* Read exc state. Also read if need to fetch floats */
+// OBSOLETE   if (which_regs & REGS_EXC)
+// OBSOLETE     {
+// OBSOLETE       stateCnt = MIPS_EXC_STATE_COUNT;
+// OBSOLETE       ret = thread_get_state (current_thread,
+// OBSOLETE 			      MIPS_EXC_STATE,
+// OBSOLETE 			      (thread_state_t) & exc_state,
+// OBSOLETE 			      &stateCnt);
+// OBSOLETE       CHK ("fetch inferior regs (exc): thread_get_state", ret);
+// OBSOLETE 
+// OBSOLETE       /* We need to fetch exc_state to see if the floating
+// OBSOLETE        * state is valid for the thread.
+// OBSOLETE        */
+// OBSOLETE 
+// OBSOLETE       /* cproc_state: Which coprocessors the thread uses */
+// OBSOLETE       supply_register (PS_REGNUM,
+// OBSOLETE 		       (char *) &exc_state + reg_offset[PS_REGNUM]);
+// OBSOLETE 
+// OBSOLETE       if (which_regs == REGS_EXC || which_regs == REGS_ALL)
+// OBSOLETE 	{
+// OBSOLETE 	  supply_register (BADVADDR_REGNUM,
+// OBSOLETE 			 (char *) &exc_state + reg_offset[BADVADDR_REGNUM]);
+// OBSOLETE 
+// OBSOLETE 	  supply_register (CAUSE_REGNUM,
+// OBSOLETE 			   (char *) &exc_state + reg_offset[CAUSE_REGNUM]);
+// OBSOLETE 	  if (which_regs == REGS_EXC)
+// OBSOLETE 	    return;
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE   if (which_regs & REGS_COP1)
+// OBSOLETE     {
+// OBSOLETE       /* If the thread does not have saved COPROC1, set regs to zero */
+// OBSOLETE 
+// OBSOLETE       if (!(exc_state.coproc_state & MIPS_STATUS_USE_COP1))
+// OBSOLETE 	bzero (&deprecated_registers[REGISTER_BYTE (FP0_REGNUM)],
+// OBSOLETE 	       sizeof (struct mips_float_state));
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  stateCnt = MIPS_FLOAT_STATE_COUNT;
+// OBSOLETE 	  ret = thread_get_state (current_thread,
+// OBSOLETE 				  MIPS_FLOAT_STATE,
+// OBSOLETE 				  state,
+// OBSOLETE 				  &stateCnt);
+// OBSOLETE 	  CHK ("fetch inferior regs (floats): thread_get_state", ret);
+// OBSOLETE 
+// OBSOLETE 	  if (regno != -1)
+// OBSOLETE 	    {
+// OBSOLETE 	      supply_register (regno,
+// OBSOLETE 			       (char *) state + reg_offset[regno]);
+// OBSOLETE 	      return;
+// OBSOLETE 	    }
+// OBSOLETE 
+// OBSOLETE 	  FETCH_REGS (state, FP0_REGNUM, 34);
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* All registers are valid, if not returned yet */
+// OBSOLETE   deprecated_registers_fetched ();
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Store gdb's view of registers to the thread.
+// OBSOLETE  * All registers are always valid when entering here.
+// OBSOLETE  * @@ ahem, maybe that is too strict, we could validate the necessary ones
+// OBSOLETE  *    here.
+// OBSOLETE  *
+// OBSOLETE  * Hmm. It seems that gdb set $reg=value command first reads everything,
+// OBSOLETE  * then sets the reg and then stores everything. -> we must make sure
+// OBSOLETE  * that the immutable registers are not changed by reading them first.
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE store_inferior_registers (register int regno)
+// OBSOLETE {
+// OBSOLETE   thread_state_data_t state;
+// OBSOLETE   kern_return_t ret;
+// OBSOLETE 
+// OBSOLETE   if (!MACH_PORT_VALID (current_thread))
+// OBSOLETE     error ("store inferior registers: Invalid thread");
+// OBSOLETE 
+// OBSOLETE   /* Check for read only regs.
+// OBSOLETE    * @@ If some of these is can be changed, fix this
+// OBSOLETE    */
+// OBSOLETE   if (regno == ZERO_REGNUM ||
+// OBSOLETE       regno == PS_REGNUM ||
+// OBSOLETE       regno == BADVADDR_REGNUM ||
+// OBSOLETE       regno == CAUSE_REGNUM ||
+// OBSOLETE       regno == FCRIR_REGNUM)
+// OBSOLETE     {
+// OBSOLETE       message ("You can not alter read-only register `%s'",
+// OBSOLETE 	       REGISTER_NAME (regno));
+// OBSOLETE       fetch_inferior_registers (regno);
+// OBSOLETE       return;
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (regno == -1)
+// OBSOLETE     {
+// OBSOLETE       /* Don't allow these to change */
+// OBSOLETE 
+// OBSOLETE       /* ZERO_REGNUM */
+// OBSOLETE       *(int *) deprecated_registers = 0;
+// OBSOLETE 
+// OBSOLETE       fetch_inferior_registers (PS_REGNUM);
+// OBSOLETE       fetch_inferior_registers (BADVADDR_REGNUM);
+// OBSOLETE       fetch_inferior_registers (CAUSE_REGNUM);
+// OBSOLETE       fetch_inferior_registers (FCRIR_REGNUM);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (regno == -1 || (ZERO_REGNUM < regno && regno <= PC_REGNUM))
+// OBSOLETE     {
+// OBSOLETE #if 1
+// OBSOLETE       /* Mach 3.0 saves thread's FP to MACH_FP_REGNUM.
+// OBSOLETE        * GDB wants assigns a pseudo register FP_REGNUM for frame pointer.
+// OBSOLETE        *
+// OBSOLETE        * @@@ Here I assume (!) that gdb's FP has the value that
+// OBSOLETE        *     should go to threads frame pointer. If not true, this
+// OBSOLETE        *     fails badly!!!!!
+// OBSOLETE        */
+// OBSOLETE       memcpy (&deprecated_registers[REGISTER_BYTE (MACH_FP_REGNUM)],
+// OBSOLETE 	      &deprecated_registers[REGISTER_BYTE (FP_REGNUM)],
+// OBSOLETE 	      REGISTER_RAW_SIZE (FP_REGNUM));
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE       /* Save gdb's regs 1..31 to thread saved regs 1..31
+// OBSOLETE        * Luckily, they are contiquous
+// OBSOLETE        */
+// OBSOLETE       STORE_REGS (state, 1, 31);
+// OBSOLETE 
+// OBSOLETE       /* Save mdlo, mdhi */
+// OBSOLETE       STORE_REGS (state, LO_REGNUM, 2);
+// OBSOLETE 
+// OBSOLETE       /* Save PC */
+// OBSOLETE       STORE_REGS (state, PC_REGNUM, 1);
+// OBSOLETE 
+// OBSOLETE       ret = thread_set_state (current_thread,
+// OBSOLETE 			      MIPS_THREAD_STATE,
+// OBSOLETE 			      state,
+// OBSOLETE 			      MIPS_FLOAT_STATE_COUNT);
+// OBSOLETE       CHK ("store inferior regs : thread_set_state", ret);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (regno == -1 || regno >= FP0_REGNUM)
+// OBSOLETE     {
+// OBSOLETE       /* If thread has floating state, save it */
+// OBSOLETE       if (read_register (PS_REGNUM) & MIPS_STATUS_USE_COP1)
+// OBSOLETE 	{
+// OBSOLETE 	  /* Do NOT save FCRIR_REGNUM */
+// OBSOLETE 	  STORE_REGS (state, FP0_REGNUM, 33);
+// OBSOLETE 
+// OBSOLETE 	  ret = thread_set_state (current_thread,
+// OBSOLETE 				  MIPS_FLOAT_STATE,
+// OBSOLETE 				  state,
+// OBSOLETE 				  MIPS_FLOAT_STATE_COUNT);
+// OBSOLETE 	  CHK ("store inferior registers (floats): thread_set_state", ret);
+// OBSOLETE 	}
+// OBSOLETE       else if (regno != -1)
+// OBSOLETE 	message
+// OBSOLETE 	  ("Thread does not use floating point unit, floating regs not saved");
+// OBSOLETE     }
+// OBSOLETE }