Initial creation of sourceware repositorygdb-4_18-branchpoint

100 files changed, 3671 insertions, 0 deletions

diff --git a/gdb/config/m68k/3b1.mh b/gdb/config/m68k/3b1.mh
new file mode 100644
index 0000000..2516cce
--- /dev/null
+++ b/gdb/config/m68k/3b1.mh
@@ -0,0 +1,12 @@
+# Host: AT&T 3b1/Unix pc
+# I don't think cc has been tried.  -traditional for <sys/ioctl.h>
+# (not sure whether necessary).
+CC= gcc -traditional
+# GCC runs out of virtual memory.
+# A separate CC for pinsn routines is no longer supported, though.
+# FIXME -- someone unlucky enough to have a 3B1, let bug-gcc@prep.ai.mit.edu
+# know what works and what fails on the 3B1.
+#PINSN_CC= cc
+
+XDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o core-aout.o
+XM_FILE= xm-3b1.h
diff --git a/gdb/config/m68k/3b1.mt b/gdb/config/m68k/3b1.mt
new file mode 100644
index 0000000..4c5d9d4
--- /dev/null
+++ b/gdb/config/m68k/3b1.mt
@@ -0,0 +1,3 @@
+# Target: AT&T 3b1/Unix pc
+TDEPFILES= m68k-tdep.o
+TM_FILE= tm-3b1.h
diff --git a/gdb/config/m68k/altos.mh b/gdb/config/m68k/altos.mh
new file mode 100644
index 0000000..1073751
--- /dev/null
+++ b/gdb/config/m68k/altos.mh
@@ -0,0 +1,5 @@
+# Host: Altos 3068 (m68k, System V release 2)
+
+XM_FILE= xm-altos.h
+XDEPFILES= infptrace.o inftarg.o fork-child.o altos-xdep.o
+
diff --git a/gdb/config/m68k/altos.mt b/gdb/config/m68k/altos.mt
new file mode 100644
index 0000000..521e958
--- /dev/null
+++ b/gdb/config/m68k/altos.mt
@@ -0,0 +1,3 @@
+# Target: Altos 3068 (m68k, System V release 2)
+TDEPFILES= m68k-tdep.o
+TM_FILE= tm-altos.h
diff --git a/gdb/config/m68k/apollo68b.mh b/gdb/config/m68k/apollo68b.mh
new file mode 100644
index 0000000..6f55497
--- /dev/null
+++ b/gdb/config/m68k/apollo68b.mh
@@ -0,0 +1,6 @@
+# Host: Apollo m68k, BSD mode.
+
+XM_FILE= xm-apollo68b.h
+XDEPFILES= 
+NAT_FILE= nm-apollo68b.h
+NATDEPFILES= infptrace.o inftarg.o fork-child.o a68v-nat.o
diff --git a/gdb/config/m68k/apollo68b.mt b/gdb/config/m68k/apollo68b.mt
new file mode 100644
index 0000000..2383d3b
--- /dev/null
+++ b/gdb/config/m68k/apollo68b.mt
@@ -0,0 +1,3 @@
+# Target: Apollo m68k in BSD mode
+TDEPFILES= m68k-tdep.o dstread.o
+TM_FILE= tm-apollo68b.h
diff --git a/gdb/config/m68k/apollo68v.mh b/gdb/config/m68k/apollo68v.mh
new file mode 100644
index 0000000..9204f11
--- /dev/null
+++ b/gdb/config/m68k/apollo68v.mh
@@ -0,0 +1,11 @@
+# Host: Apollo, System V mode (?)
+
+XM_FILE= xm-apollo68v.h
+XM_CLIBS= -lPW
+XDEPFILES= 
+
+NAT_FILE= nm-apollo68v.h
+NATDEPFILES= infptrace.o inftarg.o fork-child.o a68v-nat.o
+
+RANLIB=echo >/dev/null
+CC= cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_SYS_FILE
diff --git a/gdb/config/m68k/cisco.mt b/gdb/config/m68k/cisco.mt
new file mode 100644
index 0000000..bc2e921
--- /dev/null
+++ b/gdb/config/m68k/cisco.mt
@@ -0,0 +1,3 @@
+# Target: Cisco Router with 68K processor
+TDEPFILES= m68k-tdep.o corelow.o core-aout.o
+TM_FILE= tm-cisco.h
diff --git a/gdb/config/m68k/delta68.mh b/gdb/config/m68k/delta68.mh
new file mode 100644
index 0000000..5492af0
--- /dev/null
+++ b/gdb/config/m68k/delta68.mh
@@ -0,0 +1,5 @@
+# Host: Motorola Delta Series sysV68 R3V7.1
+
+XM_FILE= xm-delta68.h
+NAT_FILE= nm-delta68.h
+NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o core-aout.o delta68-nat.o
diff --git a/gdb/config/m68k/delta68.mt b/gdb/config/m68k/delta68.mt
new file mode 100644
index 0000000..2761329
--- /dev/null
+++ b/gdb/config/m68k/delta68.mt
@@ -0,0 +1,3 @@
+# Motorola Delta Series sysV68 R3V7.1
+TDEPFILES= m68k-tdep.o
+TM_FILE= tm-delta68.h
diff --git a/gdb/config/m68k/dpx2.mh b/gdb/config/m68k/dpx2.mh
new file mode 100644
index 0000000..4f22ed53
--- /dev/null
+++ b/gdb/config/m68k/dpx2.mh
@@ -0,0 +1,7 @@
+# Host: Bull DPX2 (68k, System V release 3)
+
+XM_FILE= xm-dpx2.h
+XDEPFILES=
+
+NAT_FILE= nm-dpx2.h
+NATDEPFILES= infptrace.o corelow.o core-aout.o inftarg.o dpx2-nat.o fork-child.o
diff --git a/gdb/config/m68k/dpx2.mt b/gdb/config/m68k/dpx2.mt
new file mode 100644
index 0000000..5bbbbe6
--- /dev/null
+++ b/gdb/config/m68k/dpx2.mt
@@ -0,0 +1,3 @@
+# Target: Bull DPX2 (68k, System V release 3)
+TDEPFILES= m68k-tdep.o
+TM_FILE= tm-dpx2.h
diff --git a/gdb/config/m68k/es1800.mt b/gdb/config/m68k/es1800.mt
new file mode 100644
index 0000000..d809c61
--- /dev/null
+++ b/gdb/config/m68k/es1800.mt
@@ -0,0 +1,9 @@
+# Target:  Ericsson ES-1800 emulator (remote) for m68k.
+
+# remote-es.o should perhaps be part of the standard monitor.mt
+# configuration, if it is desirable to reduce the number of different
+# configurations.  However, before that happens remote-es.c has to be
+# fixed to compile on a DOS host.
+
+TDEPFILES= m68k-tdep.o remote-es.o 
+TM_FILE= tm-es1800.h
diff --git a/gdb/config/m68k/hp300bsd.mh b/gdb/config/m68k/hp300bsd.mh
new file mode 100644
index 0000000..3ca0362
--- /dev/null
+++ b/gdb/config/m68k/hp300bsd.mh
@@ -0,0 +1,7 @@
+# Host: Hewlett-Packard 9000 series 300, running BSD
+
+XM_FILE= xm-hp300bsd.h
+XDEPFILES= 
+
+NAT_FILE= nm-hp300bsd.h
+NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o core-aout.o
diff --git a/gdb/config/m68k/hp300bsd.mt b/gdb/config/m68k/hp300bsd.mt
new file mode 100644
index 0000000..cbcc5ed
--- /dev/null
+++ b/gdb/config/m68k/hp300bsd.mt
@@ -0,0 +1,3 @@
+# Target: Hewlett-Packard 9000 series 300, running BSD
+TDEPFILES= m68k-tdep.o
+TM_FILE= tm-hp300bsd.h
diff --git a/gdb/config/m68k/hp300hpux.mh b/gdb/config/m68k/hp300hpux.mh
new file mode 100644
index 0000000..8ceb187
--- /dev/null
+++ b/gdb/config/m68k/hp300hpux.mh
@@ -0,0 +1,8 @@
+# Host: Hewlett-Packard 9000 series 300, running HPUX
+# The following is true because gcc uses a different .o file format
+# than the native HPUX compiler
+
+XM_FILE= xm-hp300hpux.h
+
+NAT_FILE= nm-hp300hpux.h
+NATDEPFILES= infptrace.o inftarg.o fork-child.o hp300ux-nat.o corelow.o core-aout.o
diff --git a/gdb/config/m68k/hp300hpux.mt b/gdb/config/m68k/hp300hpux.mt
new file mode 100644
index 0000000..0fa801d
--- /dev/null
+++ b/gdb/config/m68k/hp300hpux.mt
@@ -0,0 +1,8 @@
+# Target: Hewlett-Packard 9000 series 300, running HPUX
+
+#msg Note that GDB can only read symbols from programs that were
+#msg compiled with GCC using GAS.
+#msg
+
+TDEPFILES= m68k-tdep.o
+TM_FILE= tm-hp300hpux.h
diff --git a/gdb/config/m68k/isi.mh b/gdb/config/m68k/isi.mh
new file mode 100644
index 0000000..c406b4c
--- /dev/null
+++ b/gdb/config/m68k/isi.mh
@@ -0,0 +1,5 @@
+# Host: ISI Optimum V (3.05) under 4.3bsd.
+# corelow.o commented out because core dumps are broken on this machine,
+# as of GDB 4.8, according to lam@tfs.com
+XDEPFILES= infptrace.o inftarg.o fork-child.o core-aout.o isi-xdep.o
+XM_FILE= xm-isi.h
diff --git a/gdb/config/m68k/isi.mt b/gdb/config/m68k/isi.mt
new file mode 100644
index 0000000..7c4cdee
--- /dev/null
+++ b/gdb/config/m68k/isi.mt
@@ -0,0 +1,3 @@
+# Target: ISI Optimum V (3.05) under 4.3bsd.
+TDEPFILES=
+TM_FILE= tm-isi.h
diff --git a/gdb/config/m68k/linux.mh b/gdb/config/m68k/linux.mh
new file mode 100644
index 0000000..c3850b1
--- /dev/null
+++ b/gdb/config/m68k/linux.mh
@@ -0,0 +1,9 @@
+# Host: Motorola m68k running Linux
+
+XM_FILE= xm-linux.h
+XDEPFILES= ser-tcp.o
+
+NAT_FILE= nm-linux.h
+NATDEPFILES= infptrace.o solib.o inftarg.o fork-child.o corelow.o core-aout.o core-regset.o m68klinux-nat.o
+
+GDBSERVER_DEPFILES= low-linux.o
diff --git a/gdb/config/m68k/linux.mt b/gdb/config/m68k/linux.mt
new file mode 100644
index 0000000..0c0a149
--- /dev/null
+++ b/gdb/config/m68k/linux.mt
@@ -0,0 +1,3 @@
+# Target: Motorola m68k with a.out and ELF
+TDEPFILES= m68k-tdep.o
+TM_FILE= tm-linux.h
diff --git a/gdb/config/m68k/m68klynx.mh b/gdb/config/m68k/m68klynx.mh
new file mode 100644
index 0000000..48fdf29
--- /dev/null
+++ b/gdb/config/m68k/m68klynx.mh
@@ -0,0 +1,11 @@
+# Host: Motorola 680x0 running LynxOS
+
+XM_FILE= xm-m68klynx.h
+XM_CLIBS= -lbsd
+XDEPFILES= ser-tcp.o
+
+NAT_FILE= nm-m68klynx.h
+NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o lynx-nat.o
+
+GDBSERVER_LIBS= -lbsd
+GDBSERVER_DEPFILES= low-lynx.o
diff --git a/gdb/config/m68k/m68klynx.mt b/gdb/config/m68k/m68klynx.mt
new file mode 100644
index 0000000..4aeac96
--- /dev/null
+++ b/gdb/config/m68k/m68klynx.mt
@@ -0,0 +1,4 @@
+# Target: Motorola 680x0 running LynxOS
+TDEPFILES= coff-solib.o m68k-tdep.o
+# m68kly-tdep.o
+TM_FILE= tm-m68klynx.h
diff --git a/gdb/config/m68k/m68kv4.mh b/gdb/config/m68k/m68kv4.mh
new file mode 100644
index 0000000..f2db3d9
--- /dev/null
+++ b/gdb/config/m68k/m68kv4.mh
@@ -0,0 +1,7 @@
+# Host: Motorola 680x0 running SVR4 (Commodore Amiga amix or Atari TT ASV)
+
+XM_FILE= xm-m68kv4.h
+XDEPFILES=
+
+NAT_FILE= nm-sysv4.h
+NATDEPFILES= corelow.o core-regset.o solib.o procfs.o fork-child.o
diff --git a/gdb/config/m68k/m68kv4.mt b/gdb/config/m68k/m68kv4.mt
new file mode 100644
index 0000000..fcabb17
--- /dev/null
+++ b/gdb/config/m68k/m68kv4.mt
@@ -0,0 +1,3 @@
+# Target: Motorola 680x0 running SVR4 (Commodore Amiga amix or Atari TT ASV)
+TDEPFILES= m68k-tdep.o
+TM_FILE= tm-m68kv4.h
diff --git a/gdb/config/m68k/monitor.mt b/gdb/config/m68k/monitor.mt
new file mode 100644
index 0000000..46b1c55
--- /dev/null
+++ b/gdb/config/m68k/monitor.mt
@@ -0,0 +1,3 @@
+# Target: Motorola m68k embedded (EST emulator, rom68k and bug monitors)
+TDEPFILES= m68k-tdep.o monitor.o remote-est.o cpu32bug-rom.o rom68k-rom.o abug-rom.o dbug-rom.o dsrec.o
+TM_FILE= tm-monitor.h
diff --git a/gdb/config/m68k/nbsd.mh b/gdb/config/m68k/nbsd.mh
new file mode 100644
index 0000000..a9e3942
--- /dev/null
+++ b/gdb/config/m68k/nbsd.mh
@@ -0,0 +1,5 @@
+# Host: Motorola m68k running NetBSD
+XDEPFILES= ser-tcp.o
+NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o m68knbsd-nat.o
+XM_FILE= xm-nbsd.h
+NAT_FILE= nm-nbsd.h
diff --git a/gdb/config/m68k/nbsd.mt b/gdb/config/m68k/nbsd.mt
new file mode 100644
index 0000000..1ad2882
--- /dev/null
+++ b/gdb/config/m68k/nbsd.mt
@@ -0,0 +1,3 @@
+# Target: Motorola m68k running NetBSD
+TDEPFILES= m68k-tdep.o solib.o
+TM_FILE= tm-nbsd.h
diff --git a/gdb/config/m68k/news.mh b/gdb/config/m68k/news.mh
new file mode 100644
index 0000000..e94af18
--- /dev/null
+++ b/gdb/config/m68k/news.mh
@@ -0,0 +1,5 @@
+# Host: Sony news series 700/800/900 (68020) running NewsOS version 3.
+XDEPFILES= news-xdep.o
+XM_FILE= xm-news.h
+NAT_FILE= nm-news.h
+NATDEPFILES= inftarg.o fork-child.o corelow.o core-aout.o infptrace.o 
diff --git a/gdb/config/m68k/news.mt b/gdb/config/m68k/news.mt
new file mode 100644
index 0000000..42f2417
--- /dev/null
+++ b/gdb/config/m68k/news.mt
@@ -0,0 +1,3 @@
+# Target: Sony news series 700/800/900 (68020) running NewsOS version 3.
+TDEPFILES= m68k-tdep.o
+TM_FILE= tm-news.h
diff --git a/gdb/config/m68k/news1000.mh b/gdb/config/m68k/news1000.mh
new file mode 100644
index 0000000..b1bf0a5
--- /dev/null
+++ b/gdb/config/m68k/news1000.mh
@@ -0,0 +1,3 @@
+# Host: Sony news series 1000 (68030) running NewsOS version 3.
+XDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o core-aout.o news-xdep.o
+XM_FILE= xm-news1000.h
diff --git a/gdb/config/m68k/nm-apollo68b.h b/gdb/config/m68k/nm-apollo68b.h
new file mode 100644
index 0000000..4048a8b
--- /dev/null
+++ b/gdb/config/m68k/nm-apollo68b.h
@@ -0,0 +1,41 @@
+/* Macro defintions for an Apollo m68k in BSD mode
+   Copyright (C) 1992 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.  */
+
+#define	FETCH_INFERIOR_REGISTERS
+
+/* Tell gdb that we can attach and detach other processes */
+#define ATTACH_DETACH
+
+#define U_REGS_OFFSET 6
+
+/* This is the amount to subtract from u.u_ar0
+   to get the offset in the core file of the register values.  */
+
+#define KERNEL_U_ADDR 0
+
+#undef FLOAT_INFO	/* No float info yet */
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+	(addr) = (6 + 4 * (regno))
+
+/* Apollos don't really have a USER area,so trying to read it from the
+ * process address space will fail. It does support a read from a faked
+ * USER area using the "PEEKUSER" ptrace call.
+ */
+#define PT_READ_U 3
diff --git a/gdb/config/m68k/nm-apollo68v.h b/gdb/config/m68k/nm-apollo68v.h
new file mode 100644
index 0000000..3a56f4a
--- /dev/null
+++ b/gdb/config/m68k/nm-apollo68v.h
@@ -0,0 +1,20 @@
+/* Macro defintions for an Apollo.
+   Copyright (C) 1986, 1987, 1989, 1992 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.  */
+
+#define	FETCH_INFERIOR_REGISTERS
diff --git a/gdb/config/m68k/nm-delta68.h b/gdb/config/m68k/nm-delta68.h
new file mode 100644
index 0000000..cb7ffbf
--- /dev/null
+++ b/gdb/config/m68k/nm-delta68.h
@@ -0,0 +1,21 @@
+/* Macro definitions for a Motorola Delta Series sysV68 R3V7.1.
+   Copyright (C) 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.  */
+
+
+#define KERNEL_U_SIZE kernel_u_size()
diff --git a/gdb/config/m68k/nm-dpx2.h b/gdb/config/m68k/nm-dpx2.h
new file mode 100644
index 0000000..50da268
--- /dev/null
+++ b/gdb/config/m68k/nm-dpx2.h
@@ -0,0 +1,29 @@
+/* Native support for a Bull DPX2.
+   Copyright (C) 1986, 1987, 1989 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.  */
+
+/* KERNEL_U_ADDR is determined upon startup in dpx2-xdep.c. */
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+	(addr) = dpx2_register_u_addr ((blockend),(regno));
+
+extern int
+dpx2_register_u_addr PARAMS ((int, int));
+
+/* Kernel is a bit tenacious about sharing text segments, disallowing bpts.  */
+#define	ONE_PROCESS_WRITETEXT
diff --git a/gdb/config/m68k/nm-hp300bsd.h b/gdb/config/m68k/nm-hp300bsd.h
new file mode 100644
index 0000000..7aacbb1
--- /dev/null
+++ b/gdb/config/m68k/nm-hp300bsd.h
@@ -0,0 +1,88 @@
+/* Parameters for Hewlett-Packard 9000/300 native support under bsd.
+   Copyright 1986, 1987, 1989, 1991, 1992, 1993  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.  */
+
+/* Detect whether this is 4.3 or 4.4.  */
+
+#include <errno.h>
+#include <sys/param.h>
+#ifdef	BSD4_4
+
+/* BSD 4.4 alpha or better */
+
+/* We can attach to processes using ptrace.  */
+
+#define	ATTACH_DETACH
+#define	PTRACE_ATTACH	10
+#define	PTRACE_DETACH	11
+
+/* The third argument of ptrace is declared as this type.  */
+
+#define	PTRACE_ARG3_TYPE	caddr_t
+
+/* U_REGS_OFFSET is the offset of the registers within the u area for
+   ptrace purposes.  */
+#define U_REGS_OFFSET \
+  ptrace (PT_READ_U, inferior_pid, \
+	  (PTRACE_ARG3_TYPE) \
+	   (offsetof (struct user, u_kproc.kp_proc.p_md.md_regs)), 0) \
+    - USRSTACK
+
+/* No user structure in 4.4, registers are relative to kernel stack
+   which is fixed.  */
+#define KERNEL_U_ADDR	0xFFF00000
+
+/* FIXME: Is ONE_PROCESS_WRITETEXT still true now that the kernel has
+   copy-on-write?  It not, move it to the 4.3-specific section below
+   (now it is in xm-hp300bsd.h).  */
+
+#else
+
+/* This is BSD 4.3 or something like it.  */
+
+/* Get kernel u area address at run-time using BSD style nlist ().  */
+#define KERNEL_U_ADDR_BSD
+
+#endif
+
+/* This was once broken for 4.4, but probably because we had the wrong
+   KERNEL_U_ADDR.  */
+
+/* This is a piece of magic that is given a register number REGNO
+   and as BLOCKEND the address in the system of the end of the user structure
+   and stores in ADDR the address in the kernel or core dump
+   of that register.  */
+
+#define REGISTER_U_ADDR(addr, blockend, regno)				\
+{									\
+  if (regno < PS_REGNUM)						\
+    addr = (int) &((struct frame *)(blockend))->f_regs[regno];		\
+  else if (regno == PS_REGNUM)						\
+    addr = (int) &((struct frame *)(blockend))->f_stackadj;		\
+  else if (regno == PC_REGNUM)						\
+    addr = (int) &((struct frame *)(blockend))->f_pc;			\
+  else if (regno < FPC_REGNUM)						\
+    addr = (int)							\
+      &((struct user *)0)->u_pcb.pcb_fpregs.fpf_regs[((regno)-FP0_REGNUM)*3];\
+  else if (regno == FPC_REGNUM)						\
+    addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpcr;	\
+  else if (regno == FPS_REGNUM)						\
+    addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpsr;	\
+  else									\
+    addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpiar;	\
+}
diff --git a/gdb/config/m68k/nm-hp300hpux.h b/gdb/config/m68k/nm-hp300hpux.h
new file mode 100644
index 0000000..83e7b2b
--- /dev/null
+++ b/gdb/config/m68k/nm-hp300hpux.h
@@ -0,0 +1,53 @@
+/* Parameters for native support on HP 9000 model 320, for GDB, the GNU debugger.
+   Copyright (C) 1986, 1987, 1989, 1992 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.  */
+
+/* Do implement the attach and detach commands.  */
+
+#define ATTACH_DETACH
+
+/* fetch_inferior_registers is in nat-hp300hpux.c.  */
+#define FETCH_INFERIOR_REGISTERS
+
+/* Get registers from a core file.  The floating point stuff is just
+   guesses.  */
+#define NEED_SYS_CORE_H
+#define REGISTER_U_ADDR(addr, blockend, regno)				\
+{									\
+  if (regno < PS_REGNUM)						\
+    addr = (int) (&((struct proc_regs *)(blockend))->d0 + regno);	\
+  else if (regno == PS_REGNUM)						\
+    addr = (int) ((char *) (&((struct proc_regs *)(blockend))->ps) - 2); \
+  else if (regno == PC_REGNUM)						\
+    addr = (int) &((struct proc_regs *)(blockend))->pc;			\
+  else if (regno < FPC_REGNUM)						\
+    addr = (int) (((struct proc_regs *)(blockend))->mc68881		\
+		  + ((regno) - FP0_REGNUM) / 2);			\
+  else									\
+    addr = (int) (((struct proc_regs *)(blockend))->p_float		\
+		  + (regno) - FPC_REGNUM);				\
+}
+
+/* HPUX 8.0, in its infinite wisdom, has chosen to prototype ptrace
+   with five arguments, so programs written for normal ptrace lose.
+
+   Idiots.
+
+   (They should have just made it varadic).  */
+
+#define FIVE_ARG_PTRACE
diff --git a/gdb/config/m68k/nm-linux.h b/gdb/config/m68k/nm-linux.h
new file mode 100644
index 0000000..d7a44ec
--- /dev/null
+++ b/gdb/config/m68k/nm-linux.h
@@ -0,0 +1,47 @@
+/* Native support for linux, for GDB, the GNU debugger.
+   Copyright (C) 1996,1998 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.  */
+
+#ifndef NM_LINUX_H
+#define NM_LINUX_H
+
+/* Return sizeof user struct to callers in less machine dependent routines */
+
+#define KERNEL_U_SIZE kernel_u_size()
+extern int kernel_u_size PARAMS ((void));
+
+/* Tell gdb that we can attach and detach other processes */
+#define ATTACH_DETACH
+
+#define U_REGS_OFFSET 0
+
+/* We define this if link.h is available, because with ELF we use SVR4 style
+   shared libraries. */
+
+#ifdef HAVE_LINK_H
+#define SVR4_SHARED_LIBS
+#include "solib.h"		/* Support for shared libraries. */
+#endif
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+	(addr) = m68k_linux_register_u_addr ((blockend),(regno));
+
+extern int
+m68k_linux_register_u_addr PARAMS ((int, int));
+
+#endif /* #ifndef NM_LINUX_H */
diff --git a/gdb/config/m68k/nm-m68klynx.h b/gdb/config/m68k/nm-m68klynx.h
new file mode 100644
index 0000000..62b8d24
--- /dev/null
+++ b/gdb/config/m68k/nm-m68klynx.h
@@ -0,0 +1,25 @@
+/* Native-dependent definitions for Motorola 680x0 running LynxOS.
+   Copyright 1993 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_M68KLYNX_H
+#define NM_M68KLYNX_H
+
+#include "nm-lynx.h"
+
+#endif /* NM_M68KLYNX_H */
diff --git a/gdb/config/m68k/nm-nbsd.h b/gdb/config/m68k/nm-nbsd.h
new file mode 100644
index 0000000..ce22c4d
--- /dev/null
+++ b/gdb/config/m68k/nm-nbsd.h
@@ -0,0 +1,21 @@
+/* Native-dependent definitions for Motorola m68k running NetBSD, for GDB.
+   Copyright 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.  */
+
+/* Get generic NetBSD native definitions. */
+#include "nm-nbsd.h"
diff --git a/gdb/config/m68k/nm-news.h b/gdb/config/m68k/nm-news.h
new file mode 100644
index 0000000..643d217
--- /dev/null
+++ b/gdb/config/m68k/nm-news.h
@@ -0,0 +1,26 @@
+/* Parameters for execution on a Sony/NEWS, for GDB, the GNU debugger.
+   Copyright 1987, 1989, 1992, 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_HEWS_H
+#define NM_NEWS_H 1
+
+/* Supply missing typedef needed in inftarg.c */
+typedef int pid_t;
+
+#endif	/* NM_NEWS_H */
diff --git a/gdb/config/m68k/nm-sun2.h b/gdb/config/m68k/nm-sun2.h
new file mode 100644
index 0000000..9035250
--- /dev/null
+++ b/gdb/config/m68k/nm-sun2.h
@@ -0,0 +1,33 @@
+/* Parameters for execution on a Sun2, for GDB, the GNU debugger.
+   Copyright (C) 1986, 1987, 1989, 1992 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.  */
+
+/* Do implement the attach and detach commands.  */
+
+#define ATTACH_DETACH
+
+/* Override copies of {fetch,store}_inferior_registers in infptrace.c.  */
+#define FETCH_INFERIOR_REGISTERS
+
+/* This is a piece of magic that is given a register number REGNO
+   and as BLOCKEND the address in the system of the end of the user structure
+   and stores in ADDR the address in the kernel or core dump
+   of that register.  */
+
+#define REGISTER_U_ADDR(addr, blockend, regno)		\
+{ addr = blockend + regno * 4; }
diff --git a/gdb/config/m68k/nm-sun3.h b/gdb/config/m68k/nm-sun3.h
new file mode 100644
index 0000000..e4ef8f4
--- /dev/null
+++ b/gdb/config/m68k/nm-sun3.h
@@ -0,0 +1,31 @@
+/* Native-only definitions for Sun-3 for GDB, the GNU debugger.
+   Copyright (C) 1986, 1987, 1989, 1991, 1992, 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.  */
+
+/* Do implement the attach and detach commands.  */
+
+#define ATTACH_DETACH
+
+/* Override copies of {fetch,store}_inferior_registers in infptrace.c.  */
+
+#define FETCH_INFERIOR_REGISTERS
+
+/* We have to grab the regs since we store all regs at once.  */
+
+#define CHILD_PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES)
diff --git a/gdb/config/m68k/nm-sysv4.h b/gdb/config/m68k/nm-sysv4.h
new file mode 100644
index 0000000..6773131
--- /dev/null
+++ b/gdb/config/m68k/nm-sysv4.h
@@ -0,0 +1,22 @@
+/* Native-dependent definitions for Motorola 680x0 running SVR4.
+   Copyright 1994 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.  */
+
+/* Include the generic SVR4 definitions.  */
+
+#include "nm-sysv4.h"
diff --git a/gdb/config/m68k/os68k.mt b/gdb/config/m68k/os68k.mt
new file mode 100644
index 0000000..391dd89
--- /dev/null
+++ b/gdb/config/m68k/os68k.mt
@@ -0,0 +1,3 @@
+# Target: VxWorks running on a 68000
+TDEPFILES= m68k-tdep.o
+TM_FILE= tm-os68k.h
diff --git a/gdb/config/m68k/st2000.mt b/gdb/config/m68k/st2000.mt
new file mode 100644
index 0000000..06dfe5c
--- /dev/null
+++ b/gdb/config/m68k/st2000.mt
@@ -0,0 +1,3 @@
+# Target: Tandem ST-2000 phone switch
+TDEPFILES= m68k-tdep.o remote-st.o
+TM_FILE= tm-st2000.h
diff --git a/gdb/config/m68k/sun2os3.mh b/gdb/config/m68k/sun2os3.mh
new file mode 100644
index 0000000..a3ef627
--- /dev/null
+++ b/gdb/config/m68k/sun2os3.mh
@@ -0,0 +1,5 @@
+# Host: Sun 2, running SunOS 3
+XDEPFILES= 
+XM_FILE= xm-sun2.h
+NAT_FILE= nm-sun2.h
+NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o sun3-nat.o
diff --git a/gdb/config/m68k/sun2os3.mt b/gdb/config/m68k/sun2os3.mt
new file mode 100644
index 0000000..12b7c7f
--- /dev/null
+++ b/gdb/config/m68k/sun2os3.mt
@@ -0,0 +1,7 @@
+# Target: Sun 2, running SunOS 3
+# The system-supplied assembler re-orders the symbols so that gdb
+# can't find "gcc_compiled.".
+#msg If you compile your program with GCC, use the GNU assembler.
+#msg
+TDEPFILES= m68k-tdep.o
+TM_FILE= tm-sun2.h
diff --git a/gdb/config/m68k/sun2os4.mh b/gdb/config/m68k/sun2os4.mh
new file mode 100644
index 0000000..617642d
--- /dev/null
+++ b/gdb/config/m68k/sun2os4.mh
@@ -0,0 +1,5 @@
+# Host: Sun 2, running SunOS 4
+XDEPFILES= 
+XM_FILE= xm-sun2.h
+NAT_FILE= nm-sun2.h
+NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o sun3-nat.o
diff --git a/gdb/config/m68k/sun2os4.mt b/gdb/config/m68k/sun2os4.mt
new file mode 100644
index 0000000..d0c56fe
--- /dev/null
+++ b/gdb/config/m68k/sun2os4.mt
@@ -0,0 +1,3 @@
+# Target: Sun 2, running SunOS 4
+TDEPFILES= solib.o m68k-tdep.o
+TM_FILE= tm-sun2os4.h
diff --git a/gdb/config/m68k/sun3os3.mh b/gdb/config/m68k/sun3os3.mh
new file mode 100644
index 0000000..1b93793
--- /dev/null
+++ b/gdb/config/m68k/sun3os3.mh
@@ -0,0 +1,5 @@
+# Host: Sun 3, running SunOS 3
+XDEPFILES= 
+XM_FILE= xm-sun3.h
+NAT_FILE= nm-sun3.h
+NATDEPFILES= fork-child.o inftarg.o infptrace.o corelow.o sun3-nat.o
diff --git a/gdb/config/m68k/sun3os3.mt b/gdb/config/m68k/sun3os3.mt
new file mode 100644
index 0000000..8f9dac8
--- /dev/null
+++ b/gdb/config/m68k/sun3os3.mt
@@ -0,0 +1,8 @@
+# Target: Sun 3, running SunOS 3
+# The system-supplied assembler re-orders the symbols so that gdb
+# can't find "gcc_compiled.".
+#msg If you compile your program with GCC, use the GNU assembler.
+#msg
+
+TDEPFILES= m68k-tdep.o
+TM_FILE= tm-sun3.h
diff --git a/gdb/config/m68k/sun3os4.mh b/gdb/config/m68k/sun3os4.mh
new file mode 100644
index 0000000..5d1bf52
--- /dev/null
+++ b/gdb/config/m68k/sun3os4.mh
@@ -0,0 +1,6 @@
+# Host: Sun 3, running SunOS 4
+XDEPFILES= 
+XM_FILE= xm-sun3os4.h
+NAT_FILE= nm-sun3.h
+NATDEPFILES= fork-child.o inftarg.o infptrace.o corelow.o sun3-nat.o
+GDBSERVER_DEPFILES= low-sun3.o
diff --git a/gdb/config/m68k/sun3os4.mt b/gdb/config/m68k/sun3os4.mt
new file mode 100644
index 0000000..dbc265f
--- /dev/null
+++ b/gdb/config/m68k/sun3os4.mt
@@ -0,0 +1,3 @@
+# Target: Sun 3, running SunOS 4, as a target system
+TDEPFILES= solib.o m68k-tdep.o
+TM_FILE= tm-sun3os4.h
diff --git a/gdb/config/m68k/tm-3b1.h b/gdb/config/m68k/tm-3b1.h
new file mode 100644
index 0000000..f917760
--- /dev/null
+++ b/gdb/config/m68k/tm-3b1.h
@@ -0,0 +1,32 @@
+/* Parameters for targeting GDB to a 3b1.
+   Copyright 1986, 1987, 1989, 1991, 1993 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.  */
+
+/* The child target can't deal with floating registers.  */
+#define CANNOT_STORE_REGISTER(regno) ((regno) >= FP0_REGNUM)
+
+/* Define BPT_VECTOR if it is different than the default.
+   This is the vector number used by traps to indicate a breakpoint. */
+
+#define BPT_VECTOR 0x1
+
+/* Address of end of stack space.  */
+
+#define STACK_END_ADDR 0x300000
+
+#include "m68k/tm-m68k.h"
diff --git a/gdb/config/m68k/tm-altos.h b/gdb/config/m68k/tm-altos.h
new file mode 100644
index 0000000..2d77fea
--- /dev/null
+++ b/gdb/config/m68k/tm-altos.h
@@ -0,0 +1,57 @@
+/* Target definitions for GDB on an Altos 3068 (m68k running SVR2)
+   Copyright 1987, 1989, 1991, 1993 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.  */
+
+/* The child target can't deal with floating registers.  */
+#define CANNOT_STORE_REGISTER(regno) ((regno) >= FP0_REGNUM)
+
+/* Define BPT_VECTOR if it is different than the default.
+   This is the vector number used by traps to indicate a breakpoint. */
+
+#define BPT_VECTOR 0xe
+
+/* Address of end of stack space.  */
+
+/*#define STACK_END_ADDR (0xffffff)*/
+#define STACK_END_ADDR (0x1000000)
+
+/* Amount PC must be decremented by after a breakpoint.
+   On the Altos, the kernel resets the pc to the trap instr */
+
+#define DECR_PC_AFTER_BREAK 0
+
+/* The only reason this is here is the tm-altos.h reference below.  It
+   was moved back here from tm-m68k.h.  FIXME? */
+
+#define SKIP_PROLOGUE(pc)   \
+{ register int op = read_memory_integer (pc, 2);	\
+  if (op == 0047126)					\
+    pc += 4;   /* Skip link #word */			\
+  else if (op == 0044016)				\
+    pc += 6;   /* Skip link #long */			\
+  /* Not sure why branches are here.  */		\
+  /* From tm-isi.h, tm-altos.h */			\
+  else if (op == 0060000)				\
+    pc += 4;   /* Skip bra #word */			\
+  else if (op == 00600377)				\
+    pc += 6;   /* skip bra #long */			\
+  else if ((op & 0177400) == 0060000)			\
+    pc += 2;   /* skip bra #char */			\
+}
+
+#include "m68k/tm-m68k.h"
diff --git a/gdb/config/m68k/tm-apollo68b.h b/gdb/config/m68k/tm-apollo68b.h
new file mode 100644
index 0000000..ee10410
--- /dev/null
+++ b/gdb/config/m68k/tm-apollo68b.h
@@ -0,0 +1,59 @@
+/* Parameters for execution on Apollo 68k running BSD.
+   Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
+   Contributed by Cygnus Support.
+
+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.  */
+
+/* Apollos use vector 0xb for the breakpoint vector */
+
+#define BPT_VECTOR 0xb
+
+#include "m68k/tm-m68k.h"
+
+#define FRAME_CHAIN_VALID(chain, thisframe) nonnull_frame_chain_valid (chain, thisframe)
+
+/* These are the jmp_buf registers I could guess. There are 13 registers
+ * in the buffer. There are 8 data registers, 6 general address registers,
+ * the Frame Pointer, the Stack Pointer, the PC and the SR in the chip. I would
+ * guess that 12 is the SR, but we don't need that anyway. 0 and 1 have
+ * me stumped. 4 appears to be a5 for some unknown reason. If you care
+ * about this, disassemble setjmp to find out. But don't do it with gdb :)
+ */
+
+#undef JB_SP
+#undef JB_FP
+#undef JB_PC
+#undef JB_D0
+#undef JB_D1
+#undef JB_D2
+#undef JB_D3
+#undef JB_D4
+#undef JB_D5
+
+#define JB_SP 2
+#define JB_FP 3
+#define JB_PC 5
+#define JB_D0 6
+#define JB_D1 7
+#define JB_D2 8
+#define JB_D3 9
+#define JB_D4 10
+#define JB_D5 11
+
+/* How to decide if we're in a shared library function.  (Probably a wrong
+   definintion inherited from the VxWorks config file).  */
+#define	IN_SOLIB_CALL_TRAMPOLINE(pc, name) (name && strcmp(name, "<end_of_program>") == 0)
diff --git a/gdb/config/m68k/tm-cisco.h b/gdb/config/m68k/tm-cisco.h
new file mode 100644
index 0000000..c3628d0
--- /dev/null
+++ b/gdb/config/m68k/tm-cisco.h
@@ -0,0 +1,55 @@
+/* Parameters for CISCO m68k.
+   Copyright (C) 1994 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.  */
+
+#define GDBINIT_FILENAME	".cisco-gdbinit"	/* Init file */
+
+#define DEFAULT_PROMPT		"(cisco-68k-gdb) "	/* Default prompt */
+
+#include "m68k/tm-m68k.h"
+
+/* Offsets (in target ints) into jmp_buf.  Defined in /csc/sys/sun/asm.S. */
+
+#define JB_ELEMENT_SIZE 4
+
+#define JB_PC 0
+#define JB_D2 1
+#define JB_D3 2
+#define JB_D4 3
+#define JB_D5 4
+#define JB_D6 5
+#define JB_D7 6
+#define JB_A2 7
+#define JB_A3 8
+#define JB_A4 9
+#define JB_A5 10
+#define JB_A6 11
+#define JB_SP 12
+
+/* Figure out where the longjmp will land.  Slurp the args out of the stack.
+   We expect the first arg to be a pointer to the jmp_buf structure from which
+   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
+   This routine returns true on success */
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
+extern int get_longjmp_target PARAMS ((CORE_ADDR *));
+
+/* BFD handles finding the registers in the core file, so they are at
+   the start of the BFD .reg section.  */
+#define REGISTER_U_ADDR(addr,blockend,regno) (addr = REGISTER_BYTE (regno))
+#define KERNEL_U_ADDR 0
diff --git a/gdb/config/m68k/tm-delta68.h b/gdb/config/m68k/tm-delta68.h
new file mode 100644
index 0000000..5965bb5
--- /dev/null
+++ b/gdb/config/m68k/tm-delta68.h
@@ -0,0 +1,103 @@
+/* Target definitions for delta68.
+   Copyright 1993, 1994, 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.  */
+
+/* Define BPT_VECTOR if it is different than the default.
+   This is the vector number used by traps to indicate a breakpoint. */
+
+#define BPT_VECTOR 0x1
+
+#define GCC_COMPILED_FLAG_SYMBOL "gcc_compiled%"
+#define GCC2_COMPILED_FLAG_SYMBOL "gcc2_compiled%"
+
+/* Amount PC must be decremented by after a breakpoint.
+   On the Delta, the kernel decrements it for us.  */
+
+#define DECR_PC_AFTER_BREAK 0
+
+/* Not sure what happens if we try to store this register, but
+   phdm@info.ucl.ac.be says we need this define.  */
+
+#define CANNOT_STORE_REGISTER(regno)	(regno == FPI_REGNUM)
+
+/* Extract from an array REGBUF containing the (raw) register state
+   a function return value of type TYPE, and copy that, in virtual format,
+   into VALBUF.  */
+
+/* When it returns a float/double value, use fp0 in sysV68.  */
+/* When it returns a pointer value, use a0 in sysV68.  */
+
+#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF)			\
+  if (TYPE_CODE (TYPE) == TYPE_CODE_FLT)				\
+    REGISTER_CONVERT_TO_VIRTUAL (FP0_REGNUM, TYPE,			\
+				 &REGBUF[REGISTER_BYTE (FP0_REGNUM)],	\
+				 VALBUF);				\
+  else									\
+    memcpy ((VALBUF),							\
+	    (char *) ((REGBUF) +					\
+		      (TYPE_CODE(TYPE) == TYPE_CODE_PTR ? 8 * 4 :	\
+		       (TYPE_LENGTH(TYPE) >= 4 ? 0 : 4 - TYPE_LENGTH(TYPE)))), \
+	    TYPE_LENGTH(TYPE))
+
+/* Write into appropriate registers a function return value
+   of type TYPE, given in virtual format.  */
+
+/* When it returns a float/double value, use fp0 in sysV68.  */
+/* When it returns a pointer value, use a0 in sysV68.  */
+
+#define STORE_RETURN_VALUE(TYPE,VALBUF) \
+  if (TYPE_CODE (TYPE) == TYPE_CODE_FLT)				\
+      {									\
+	char raw_buf[REGISTER_RAW_SIZE (FP0_REGNUM)];			\
+	REGISTER_CONVERT_TO_RAW (TYPE, FP0_REGNUM, VALBUF, raw_buf);	\
+	write_register_bytes (REGISTER_BYTE (FP0_REGNUM),		\
+			      raw_buf, REGISTER_RAW_SIZE (FP0_REGNUM)); \
+      }									\
+  else									\
+    write_register_bytes ((TYPE_CODE(TYPE) == TYPE_CODE_PTR ? 8 * 4 : 0), \
+			  VALBUF, TYPE_LENGTH (TYPE))
+
+/* Return number of args passed to a frame.
+   Can return -1, meaning no way to tell.  */
+
+#define FRAME_NUM_ARGS(val, fi)  \
+{ register CORE_ADDR pc = FRAME_SAVED_PC (fi);			\
+  register int insn = 0177777 & read_memory_integer (pc, 2);	\
+  val = 0;							\
+  if (insn == 0047757 || insn == 0157374)  /* lea W(sp),sp or addaw #W,sp */ \
+    val = read_memory_integer (pc + 2, 2);			\
+  else if ((insn & 0170777) == 0050217 /* addql #N, sp */	\
+	   || (insn & 0170777) == 0050117)  /* addqw */		\
+    { val = (insn >> 9) & 7; if (val == 0) val = 8; }		\
+  else if (insn == 0157774) /* addal #WW, sp */			\
+    val = read_memory_integer (pc + 2, 4);			\
+  val >>= 2; }
+
+/* On M68040 versions of sysV68 R3V7.1, ptrace(PT_WRITE_I) does not clear
+   the processor's instruction cache as it should.  */
+#define CLEAR_INSN_CACHE()	clear_insn_cache()
+
+#include "m68k/tm-m68k.h"
+
+/* Extract from an array REGBUF containing the (raw) register state
+   the address in which a function should return its structure value,
+   as a CORE_ADDR (or an expression that can be used as one).  */
+
+#undef EXTRACT_STRUCT_VALUE_ADDRESS
+#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF)\
+	(*(CORE_ADDR *)((char*)(REGBUF) + 8 * 4))
diff --git a/gdb/config/m68k/tm-dpx2.h b/gdb/config/m68k/tm-dpx2.h
new file mode 100644
index 0000000..8b1bfda
--- /dev/null
+++ b/gdb/config/m68k/tm-dpx2.h
@@ -0,0 +1,33 @@
+/* Parameters for targeting to a Bull DPX2.
+   Copyright (C) 1986, 1987, 1989, 1991, 1994 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.  */
+
+/* Define BPT_VECTOR if it is different than the default.
+   This is the vector number used by traps to indicate a breakpoint. */
+
+#define BPT_VECTOR 0xe
+
+/* Need to get function ends by adding this to epilogue address from .bf
+   record, not using x_fsize field.  */
+#define FUNCTION_EPILOGUE_SIZE 4
+
+/* The child target can't deal with writing floating registers.  */
+#define CANNOT_STORE_REGISTER(regno) ((regno) >= FP0_REGNUM)
+
+#include <sys/types.h>
+#include "m68k/tm-m68k.h"
diff --git a/gdb/config/m68k/tm-es1800.h b/gdb/config/m68k/tm-es1800.h
new file mode 100644
index 0000000..ce2af1d
--- /dev/null
+++ b/gdb/config/m68k/tm-es1800.h
@@ -0,0 +1,59 @@
+/* Parameters for execution on ES-1800 emulator for 68000.
+   The code was originally written by Johan Holmberg TT/SJ Ericsson Telecom
+   AB and later modified by Johan Henriksson TT/SJ. It was adapted to GDB 4.0
+   by Jan Norden TX/DK.
+   Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+GDB 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 1, or (at your option)
+any later version.
+
+GDB 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	GDBINIT_FILENAME	".esgdbinit"
+
+#define	DEFAULT_PROMPT		"(esgdb) "
+
+#include "m68k/tm-m68k.h"
+
+/* Longjmp stuff borrowed from sun3 configuration.  Don't know if correct. 
+   FIXME.  */
+/* Offsets (in target ints) into jmp_buf.  Not defined by Sun, but at least
+   documented in a comment in <machine/setjmp.h>! */
+
+#define JB_ELEMENT_SIZE 4
+
+#define JB_ONSSTACK 0
+#define JB_SIGMASK 1
+#define JB_SP 2
+#define JB_PC 3
+#define JB_PSL 4
+#define JB_D2 5
+#define JB_D3 6
+#define JB_D4 7
+#define JB_D5 8
+#define JB_D6 9
+#define JB_D7 10
+#define JB_A2 11
+#define JB_A3 12
+#define JB_A4 13
+#define JB_A5 14
+#define JB_A6 15
+
+/* Figure out where the longjmp will land.  Slurp the args out of the stack.
+   We expect the first arg to be a pointer to the jmp_buf structure from which
+   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
+   This routine returns true on success */
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
+extern int get_longjmp_target PARAMS ((CORE_ADDR *));
diff --git a/gdb/config/m68k/tm-hp300bsd.h b/gdb/config/m68k/tm-hp300bsd.h
new file mode 100644
index 0000000..cdd75dc
--- /dev/null
+++ b/gdb/config/m68k/tm-hp300bsd.h
@@ -0,0 +1,62 @@
+/* Parameters for target machine Hewlett-Packard 9000/300, running bsd.
+   Copyright 1986, 1987, 1989, 1991, 1992, 1993 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.  */
+
+/* Configuration file for HP9000/300 series machine running BSD,
+   including Utah, Mt. Xinu or Berkeley variants.  This is NOT for HP-UX.
+   Problems to hpbsd-bugs@cs.utah.edu.  */
+
+/* GCC is the only compiler used on this OS.  So get this right even if
+   the code which detects gcc2_compiled. is still broken.  */
+
+#define BELIEVE_PCC_PROMOTION 1
+
+/* Define BPT_VECTOR if it is different than the default.
+   This is the vector number used by traps to indicate a breakpoint.
+
+   For hp300bsd the normal breakpoint vector is 0x2 (for debugging via
+   ptrace); for remote kernel debugging the breakpoint vector is 0xf.  */
+
+#define BPT_VECTOR 0x2
+#define REMOTE_BPT_VECTOR 0xf
+
+#define TARGET_NBPG 4096
+
+/* For 4.4 this would be 2, but it is OK for us to detect an area a
+   bit bigger than necessary.  This way the same gdb binary can target
+   either 4.3 or 4.4.  */
+
+#define TARGET_UPAGES 3
+
+/* On the HP300, sigtramp is in the u area.  Gak!  User struct is not
+   mapped to the same virtual address in user/kernel address space
+   (hence STACK_END_ADDR as opposed to KERNEL_U_ADDR).  This tests
+   for the whole u area, since we don't necessarily have hp300bsd
+   include files around.  */
+
+/* For 4.4, it is actually right 20 bytes *before* STACK_END_ADDR, so
+   include that in the area we test for.  */
+
+#define SIGTRAMP_START(pc) (STACK_END_ADDR - 20)
+#define SIGTRAMP_END(pc) (STACK_END_ADDR + TARGET_UPAGES * TARGET_NBPG)
+
+/* Address of end of stack space.  */
+
+#define STACK_END_ADDR 0xfff00000
+
+#include "m68k/tm-m68k.h"
diff --git a/gdb/config/m68k/tm-hp300hpux.h b/gdb/config/m68k/tm-hp300hpux.h
new file mode 100644
index 0000000..fce0d99
--- /dev/null
+++ b/gdb/config/m68k/tm-hp300hpux.h
@@ -0,0 +1,31 @@
+/* Parameters for execution on an HP 9000 model 320, for GDB, the GNU debugger.
+   Copyright 1986, 1987, 1989, 1991, 1992, 1993 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.  */
+
+/* GCC is the only compiler used for stabs on this OS.  So get this
+   right even if the code which detects gcc2_compiled. is still
+   broken.  */
+
+#define BELIEVE_PCC_PROMOTION 1
+
+/* Define BPT_VECTOR if it is different than the default.
+   This is the vector number used by traps to indicate a breakpoint. */
+
+#define BPT_VECTOR 0x1
+
+#include "m68k/tm-m68k.h"
diff --git a/gdb/config/m68k/tm-isi.h b/gdb/config/m68k/tm-isi.h
new file mode 100644
index 0000000..f994524
--- /dev/null
+++ b/gdb/config/m68k/tm-isi.h
@@ -0,0 +1,150 @@
+/* Definitions to target GDB on an ISI Optimum V (3.05) under 4.3bsd.
+   Copyright (C) 1987, 1989, 1991, 1993 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.  */
+
+/* This has not been tested on ISI's running BSD 4.2, but it will probably
+   work.  */
+
+/* Data segment starts at etext rounded up to DATAROUND in {N,Z}MAGIC files */
+
+#define DATAROUND	0x20000
+#define N_DATADDR(hdr)	(hdr.a_magic != OMAGIC ? \
+	(hdr.a_text + DATAROUND) & ~(DATAROUND-1) : hdr.a_text)
+
+/* Text segment starts at sizeof (struct exec) in {N,Z}MAGIC files */
+
+#define N_TXTADDR(hdr)	(hdr.a_magic != OMAGIC ? sizeof (struct exec) : 0)
+
+/* Amount PC must be decremented by after a breakpoint.
+   This is often the number of bytes in BREAKPOINT
+   but not always.
+   On the ISI, the kernel resets the pc to the trap instr */
+
+#define DECR_PC_AFTER_BREAK 0
+
+
+/* Return number of args passed to a frame.
+   Can return -1, meaning no way to tell.  */
+
+#define FRAME_NUM_ARGS(val, fi)  \
+{ register CORE_ADDR pc = FRAME_SAVED_PC (fi);			\
+  register int insn = 0177777 & read_memory_integer (pc, 2);	\
+  val = 0;							\
+  if (insn == 0047757 || insn == 0157374)  /* lea W(sp),sp or addaw #W,sp */ \
+    val = read_memory_integer (pc + 2, 2);			\
+  else if ((insn & 0170777) == 0050217 /* addql #N, sp */	\
+	   || (insn & 0170777) == 0050117)  /* addqw */		\
+    { val = (insn >> 9) & 7; if (val == 0) val = 8; }		\
+  else if (insn == 0157774) /* addal #WW, sp */			\
+    val = read_memory_integer (pc + 2, 4);			\
+  val >>= 2; }
+
+/* Put here the code to store, into a struct frame_saved_regs,
+   the addresses of the saved registers of frame described by FRAME_INFO.
+   This includes special registers such as pc and fp saved in special
+   ways in the stack frame.  sp is even more special:
+   the address we return for it IS the sp for the next frame.  */
+
+#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs)		\
+{ register int regnum;							\
+  register int regmask;							\
+  register CORE_ADDR next_addr;						\
+  register CORE_ADDR pc;						\
+  register int insn;							\
+  register int offset;							\
+  memset (&frame_saved_regs, '\0', sizeof frame_saved_regs);			\
+  if ((frame_info)->pc >= (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM*4 - 8*12 - 4 \
+      && (frame_info)->pc <= (frame_info)->frame)				\
+    { next_addr = (frame_info)->frame;					\
+      pc = (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 8*12 - 4; }\
+  else   								\
+    { pc = get_pc_function_start ((frame_info)->pc); 			\
+      /* Verify we have a link a6 instruction next,			\
+	 or a branch followed by a link a6 instruction;			\
+	 if not we lose.  If we win, find the address above the saved   \
+	 regs using the amount of storage from the link instruction.  */\
+retry:									\
+      insn = read_memory_integer (pc, 2);				\
+      if (insn == 044016)						\
+	next_addr = (frame_info)->frame - read_memory_integer (pc += 2, 4), pc+=4; \
+      else if (insn == 047126)						\
+	next_addr = (frame_info)->frame - read_memory_integer (pc += 2, 2), pc+=2; \
+      else if ((insn & 0177400) == 060000)	/* bra insn */		\
+	{ offset = insn & 0377;						\
+          pc += 2;				/* advance past bra */	\
+	  if (offset == 0)			/* bra #word */		\
+	    offset = read_memory_integer (pc, 2), pc += 2;		\
+	  else if (offset == 0377)		/* bra #long */		\
+	    offset = read_memory_integer (pc, 4), pc += 4;		\
+	  pc += offset;							\
+	  goto retry;							\
+      } else goto lose;							\
+      /* If have an addal #-n, sp next, adjust next_addr.  */		\
+      if ((0177777 & read_memory_integer (pc, 2)) == 0157774)		\
+	next_addr += read_memory_integer (pc += 2, 4), pc += 4;		\
+    }									\
+  /* next should be a moveml to (sp) or -(sp) or a movl r,-(sp) */	\
+  insn = read_memory_integer (pc, 2), pc += 2;				\
+  regmask = read_memory_integer (pc, 2);				\
+  if ((insn & 0177760) == 022700)	/* movl rn, (sp) */		\
+    (frame_saved_regs).regs[(insn&7) + ((insn&010)?8:0)] = next_addr;	\
+  else if ((insn & 0177760) == 024700)	/* movl rn, -(sp) */		\
+    (frame_saved_regs).regs[(insn&7) + ((insn&010)?8:0)] = next_addr-=4; \
+  else if (insn == 0044327)		/* moveml mask, (sp) */		\
+    { pc += 2;								\
+      /* Regmask's low bit is for register 0, the first written */	\
+      next_addr -= 4;							\
+      for (regnum = 0; regnum < 16; regnum++, regmask >>= 1)		\
+	if (regmask & 1)						\
+          (frame_saved_regs).regs[regnum] = (next_addr += 4);		\
+  } else if (insn == 0044347)		/* moveml mask, -(sp) */	\
+    { pc += 2;								\
+      /* Regmask's low bit is for register 15, the first pushed */	\
+      for (regnum = 15; regnum >= 0; regnum--, regmask >>= 1)		\
+	if (regmask & 1)						\
+          (frame_saved_regs).regs[regnum] = (next_addr -= 4); }		\
+  /* clrw -(sp); movw ccr,-(sp) may follow.  */				\
+  if (read_memory_integer (pc, 2) == 041147 				\
+      && read_memory_integer (pc+2, 2) == 042347)			\
+    (frame_saved_regs).regs[PS_REGNUM] = (next_addr -= 4);		\
+  lose: ;								\
+  (frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame + 8;		\
+  (frame_saved_regs).regs[FP_REGNUM] = (frame_info)->frame;		\
+  (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 4;		\
+}
+
+/* The only reason this is here is the tm-isi.h reference below.  It
+   was moved back here from tm-m68k.h.  FIXME? */
+
+#define SKIP_PROLOGUE(pc)   \
+{ register int op = read_memory_integer (pc, 2);	\
+  if (op == 0047126)					\
+    pc += 4;   /* Skip link #word */			\
+  else if (op == 0044016)				\
+    pc += 6;   /* Skip link #long */			\
+  /* Not sure why branches are here.  */		\
+  /* From tm-isi.h, tm-altos.h */			\
+  else if (op == 0060000)				\
+    pc += 4;   /* Skip bra #word */			\
+  else if (op == 00600377)				\
+    pc += 6;   /* skip bra #long */			\
+  else if ((op & 0177400) == 0060000)			\
+    pc += 2;   /* skip bra #char */			\
+}
+
+#include "m68k/tm-m68k.h"
diff --git a/gdb/config/m68k/tm-linux.h b/gdb/config/m68k/tm-linux.h
new file mode 100644
index 0000000..6c11998
--- /dev/null
+++ b/gdb/config/m68k/tm-linux.h
@@ -0,0 +1,109 @@
+/* Definitions to target GDB to Linux on m680x0
+   Copyright (C) 1996,1998 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.  */
+
+/* Number of traps that happen between exec'ing the shell to run an
+   inferior, and when we finally get to the inferior code.  This is 2
+   on most implementations.  */
+
+#define START_INFERIOR_TRAPS_EXPECTED 2
+
+/* The following definitions are appropriate when using the ELF
+   format, where floating point values are returned in fp0, pointer
+   values in a0 and other values in d0.  */
+
+/* Extract from an array REGBUF containing the (raw) register state a
+   function return value of type TYPE, and copy that, in virtual
+   format, into VALBUF.  */
+
+#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
+{									\
+  if (TYPE_CODE (TYPE) == TYPE_CODE_FLT)				\
+    {									\
+       REGISTER_CONVERT_TO_VIRTUAL (FP0_REGNUM, TYPE,			\
+				    ((char *) (REGBUF)			\
+				     + REGISTER_BYTE (FP0_REGNUM)),	\
+				    VALBUF);				\
+    }									\
+  else if (TYPE_CODE (TYPE) == TYPE_CODE_PTR)				\
+    memcpy (VALBUF, (char *) (REGBUF) + REGISTER_BYTE (A0_REGNUM),	\
+	    TYPE_LENGTH (TYPE));					\
+  else									\
+    memcpy (VALBUF,							\
+	    ((char *) (REGBUF)						\
+	     + (TYPE_LENGTH (TYPE) >= 4 ? 0 : 4 - TYPE_LENGTH (TYPE))),	\
+	    TYPE_LENGTH (TYPE));					\
+}
+
+/* Write into appropriate registers a function return value of type
+   TYPE, given in virtual format.  */
+
+#define STORE_RETURN_VALUE(TYPE,VALBUF) \
+{									\
+  if (TYPE_CODE (TYPE) == TYPE_CODE_FLT)				\
+    {									\
+      char raw_buffer[REGISTER_RAW_SIZE (FP0_REGNUM)];			\
+      REGISTER_CONVERT_TO_RAW (TYPE, FP0_REGNUM, VALBUF, raw_buffer);	\
+      write_register_bytes (REGISTER_BYTE (FP0_REGNUM),			\
+			    raw_buffer, TYPE_LENGTH (TYPE));		\
+    }									\
+  else									\
+    {									\
+      if (TYPE_CODE (TYPE) == TYPE_CODE_PTR)				\
+	write_register_bytes (REGISTER_BYTE (A0_REGNUM), VALBUF,	\
+			      TYPE_LENGTH (TYPE));			\
+      write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE));		\
+    }									\
+}
+
+#include "tm-sysv4.h"
+#include "m68k/tm-m68k.h"
+
+/* Extract from an array REGBUF containing the (raw) register state
+   the address in which a function should return its structure value,
+   as a CORE_ADDR (or an expression that can be used as one).  */
+
+#undef EXTRACT_STRUCT_VALUE_ADDRESS
+#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
+  (*(CORE_ADDR *)((char *) (REGBUF) + REGISTER_BYTE (A0_REGNUM)))
+
+/* Offsets (in target ints) into jmp_buf.  */
+
+#define JB_ELEMENT_SIZE 4
+#define JB_PC 7
+
+/* Figure out where the longjmp will land.  Slurp the args out of the stack.
+   We expect the first arg to be a pointer to the jmp_buf structure from which
+   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
+   This routine returns true on success */
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
+
+/* Offset to saved PC in sigcontext, from <asm/sigcontext.h>.  */
+#define SIGCONTEXT_PC_OFFSET 26
+
+#undef FRAME_SAVED_PC
+#define FRAME_SAVED_PC(FRAME) \
+  (((FRAME)->signal_handler_caller \
+    ? sigtramp_saved_pc (FRAME) \
+    : read_memory_integer ((FRAME)->frame + 4, 4)))
+
+extern CORE_ADDR sigtramp_saved_pc PARAMS ((struct frame_info *));
+
+#define IN_SIGTRAMP(pc,name) in_sigtramp (pc)
+extern int in_sigtramp PARAMS ((CORE_ADDR pc));
diff --git a/gdb/config/m68k/tm-m68k.h b/gdb/config/m68k/tm-m68k.h
new file mode 100644
index 0000000..098500c
--- /dev/null
+++ b/gdb/config/m68k/tm-m68k.h
@@ -0,0 +1,393 @@
+/* Parameters for execution on a 68000 series machine.
+   Copyright 1986, 1987, 1989, 1990, 1992 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.  */
+
+/* Generic 68000 stuff, to be included by other tm-*.h files.  */
+
+#define IEEE_FLOAT 1
+
+/* Define the bit, byte, and word ordering of the machine.  */
+#define TARGET_BYTE_ORDER BIG_ENDIAN
+
+/* Offset from address of function to start of its code.
+   Zero on most machines.  */
+
+#define FUNCTION_START_OFFSET 0
+
+/* Advance PC across any function entry prologue instructions
+   to reach some "real" code.  */
+
+#if !defined(SKIP_PROLOGUE)
+#define SKIP_PROLOGUE(ip)   {(ip) = m68k_skip_prologue(ip);}
+extern CORE_ADDR m68k_skip_prologue PARAMS ((CORE_ADDR ip));
+#endif
+
+/* Immediately after a function call, return the saved pc.
+   Can't always go through the frames for this because on some machines
+   the new frame is not set up until the new function executes
+   some instructions.  */
+
+#ifdef __STDC__
+struct frame_info;
+struct frame_saved_regs;
+#endif
+
+extern CORE_ADDR m68k_saved_pc_after_call PARAMS ((struct frame_info *));
+extern void m68k_find_saved_regs PARAMS ((struct frame_info *, struct frame_saved_regs *));
+
+#define SAVED_PC_AFTER_CALL(frame) \
+  m68k_saved_pc_after_call(frame)
+
+/* Stack grows downward.  */
+
+#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
+
+/* Stack must be kept short aligned when doing function calls.  */
+
+#define STACK_ALIGN(ADDR) (((ADDR) + 1) & ~1)
+
+/* Sequence of bytes for breakpoint instruction.
+   This is a TRAP instruction.  The last 4 bits (0xf below) is the
+   vector.  Systems which don't use 0xf should define BPT_VECTOR
+   themselves before including this file.  */
+
+#if !defined (BPT_VECTOR)
+#define BPT_VECTOR 0xf
+#endif
+
+#if !defined (BREAKPOINT)
+#define BREAKPOINT {0x4e, (0x40 | BPT_VECTOR)}
+#endif
+
+/* We default to vector 1 for the "remote" target, but allow targets
+   to override.  */
+#if !defined (REMOTE_BPT_VECTOR)
+#define REMOTE_BPT_VECTOR 1
+#endif
+
+#if !defined (REMOTE_BREAKPOINT)
+#define REMOTE_BREAKPOINT {0x4e, (0x40 | REMOTE_BPT_VECTOR)}
+#endif
+
+/* If your kernel resets the pc after the trap happens you may need to
+   define this before including this file.  */
+
+#if !defined (DECR_PC_AFTER_BREAK)
+#define DECR_PC_AFTER_BREAK 2
+#endif
+
+/* Say how long (ordinary) registers are.  This is a piece of bogosity
+   used in push_word and a few other places; REGISTER_RAW_SIZE is the
+   real way to know how big a register is.  */
+
+#define REGISTER_SIZE 4
+
+#define REGISTER_BYTES_FP (16*4 + 8 + 8*12 + 3*4)
+#define REGISTER_BYTES_NOFP (16*4 + 8)
+
+#ifndef NUM_REGS
+#define NUM_REGS 29
+#endif
+
+#define NUM_FREGS (NUM_REGS-24)
+
+#ifndef REGISTER_BYTES_OK
+#define REGISTER_BYTES_OK(b) \
+   ((b) == REGISTER_BYTES_FP \
+    || (b) == REGISTER_BYTES_NOFP)
+#endif
+
+#ifndef REGISTER_BYTES
+#define REGISTER_BYTES (16*4 + 8 + 8*12 + 3*4)
+#endif
+
+/* Index within `registers' of the first byte of the space for
+   register N.  */
+
+#define REGISTER_BYTE(N)  \
+ ((N) >= FPC_REGNUM ? (((N) - FPC_REGNUM) * 4) + 168	\
+  : (N) >= FP0_REGNUM ? (((N) - FP0_REGNUM) * 12) + 72	\
+  : (N) * 4)
+
+/* Number of bytes of storage in the actual machine representation
+   for register N.  On the 68000, all regs are 4 bytes
+   except the floating point regs which are 12 bytes.  */
+/* Note that the unsigned cast here forces the result of the
+   subtraction to very high positive values if N < FP0_REGNUM */
+
+#define REGISTER_RAW_SIZE(N) (((unsigned)(N) - FP0_REGNUM) < 8 ? 12 : 4)
+
+/* Number of bytes of storage in the program's representation
+   for register N.  On the 68000, all regs are 4 bytes
+   except the floating point regs which are 8-byte doubles.  */
+
+#define REGISTER_VIRTUAL_SIZE(N) (((unsigned)(N) - FP0_REGNUM) < 8 ? 8 : 4)
+
+/* Largest value REGISTER_RAW_SIZE can have.  */
+
+#define MAX_REGISTER_RAW_SIZE 12
+
+/* Largest value REGISTER_VIRTUAL_SIZE can have.  */
+
+#define MAX_REGISTER_VIRTUAL_SIZE 8
+
+/* Nonzero if register N requires conversion
+   from raw format to virtual format.  */
+
+#define REGISTER_CONVERTIBLE(N) (((unsigned)(N) - FP0_REGNUM) < 8)
+
+#include "floatformat.h"
+
+/* Convert data from raw format for register REGNUM in buffer FROM
+   to virtual format with type TYPE in buffer TO.  */
+
+#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
+do									\
+  {									\
+    DOUBLEST dbl_tmp_val;							\
+    floatformat_to_doublest (&floatformat_m68881_ext, (FROM), &dbl_tmp_val); \
+    store_floating ((TO), TYPE_LENGTH (TYPE), dbl_tmp_val);		\
+  } while (0)
+
+/* Convert data from virtual format with type TYPE in buffer FROM
+   to raw format for register REGNUM in buffer TO.  */
+
+#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO)	\
+do									\
+  {									\
+    DOUBLEST dbl_tmp_val;						\
+    dbl_tmp_val = extract_floating ((FROM), TYPE_LENGTH (TYPE));	\
+    floatformat_from_doublest (&floatformat_m68881_ext, &dbl_tmp_val, (TO)); \
+  } while (0)
+
+/* Return the GDB type object for the "standard" data type of data 
+   in register N.  This should be int for D0-D7, double for FP0-FP7,
+   and void pointer for all others (A0-A7, PC, SR, FPCONTROL etc).
+   Note, for registers which contain addresses return pointer to void, 
+   not pointer to char, because we don't want to attempt to print 
+   the string after printing the address.  */
+
+#define REGISTER_VIRTUAL_TYPE(N) \
+  ((unsigned) (N) >= FPC_REGNUM ? lookup_pointer_type (builtin_type_void) : \
+   (unsigned) (N) >= FP0_REGNUM ? builtin_type_double :                     \
+   (unsigned) (N) >=  A0_REGNUM ? lookup_pointer_type (builtin_type_void) : \
+   builtin_type_int)
+
+/* Initializer for an array of names of registers.
+   Entries beyond the first NUM_REGS are ignored.  */
+
+#define REGISTER_NAMES  \
+ {"d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", \
+  "a0", "a1", "a2", "a3", "a4", "a5", "fp", "sp", \
+  "ps", "pc",  \
+  "fp0", "fp1", "fp2", "fp3", "fp4", "fp5", "fp6", "fp7", \
+  "fpcontrol", "fpstatus", "fpiaddr", "fpcode", "fpflags" }
+
+/* Register numbers of various important registers.
+   Note that some of these values are "real" register numbers,
+   and correspond to the general registers of the machine,
+   and some are "phony" register numbers which are too large
+   to be actual register numbers as far as the user is concerned
+   but do serve to get the desired values when passed to read_register.  */
+
+#define D0_REGNUM 0
+#define A0_REGNUM 8
+#define A1_REGNUM 9
+#define FP_REGNUM 14		/* Contains address of executing stack frame */
+#define SP_REGNUM 15		/* Contains address of top of stack */
+#define PS_REGNUM 16		/* Contains processor status */
+#define PC_REGNUM 17		/* Contains program counter */
+#define FP0_REGNUM 18		/* Floating point register 0 */
+#define FPC_REGNUM 26		/* 68881 control register */
+#define FPS_REGNUM 27		/* 68881 status register */
+#define FPI_REGNUM 28		/* 68881 iaddr register */
+
+/* Store the address of the place in which to copy the structure the
+   subroutine will return.  This is called from call_function. */
+
+#define STORE_STRUCT_RETURN(ADDR, SP) \
+  { write_register (A1_REGNUM, (ADDR)); }
+
+/* Extract from an array REGBUF containing the (raw) register state
+   a function return value of type TYPE, and copy that, in virtual format,
+   into VALBUF.  This is assuming that floating point values are returned
+   as doubles in d0/d1.  */
+
+#if !defined (EXTRACT_RETURN_VALUE)
+#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
+  memcpy ((VALBUF),							\
+	  (char *)(REGBUF) +						\
+	         (TYPE_LENGTH(TYPE) >= 4 ? 0 : 4 - TYPE_LENGTH(TYPE)),	\
+	  TYPE_LENGTH(TYPE))
+#endif
+
+/* Write into appropriate registers a function return value
+   of type TYPE, given in virtual format.  Assumes floats are passed
+   in d0/d1.  */
+
+#if !defined (STORE_RETURN_VALUE)
+#define STORE_RETURN_VALUE(TYPE,VALBUF) \
+  write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE))
+#endif
+
+/* Extract from an array REGBUF containing the (raw) register state
+   the address in which a function should return its structure value,
+   as a CORE_ADDR (or an expression that can be used as one).  */
+
+#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(REGBUF))
+
+/* Describe the pointer in each stack frame to the previous stack frame
+   (its caller).  */
+
+/* FRAME_CHAIN takes a frame's nominal address and produces the frame's
+   chain-pointer.
+   In the case of the 68000, the frame's nominal address
+   is the address of a 4-byte word containing the calling frame's address.  */
+
+/* If we are chaining from sigtramp, then manufacture a sigtramp frame
+   (which isn't really on the stack.  I'm not sure this is right for anything
+   but BSD4.3 on an hp300.  */
+#define FRAME_CHAIN(thisframe)  \
+  (thisframe->signal_handler_caller \
+   ? thisframe->frame \
+   : (!inside_entry_file ((thisframe)->pc) \
+      ? read_memory_integer ((thisframe)->frame, 4) \
+      : 0))
+
+/* Define other aspects of the stack frame.  */
+
+/* A macro that tells us whether the function invocation represented
+   by FI does not have a frame on the stack associated with it.  If it
+   does not, FRAMELESS is set to 1, else 0.  */
+#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
+  do { \
+    if ((FI)->signal_handler_caller) \
+      (FRAMELESS) = 0; \
+    else \
+      (FRAMELESS) = frameless_look_for_prologue(FI); \
+  } while (0)
+
+/* This was determined by experimentation on hp300 BSD 4.3.  Perhaps
+   it corresponds to some offset in /usr/include/sys/user.h or
+   something like that.  Using some system include file would
+   have the advantage of probably being more robust in the face
+   of OS upgrades, but the disadvantage of being wrong for
+   cross-debugging.  */
+
+#define SIG_PC_FP_OFFSET 530
+
+#define FRAME_SAVED_PC(FRAME) \
+  (((FRAME)->signal_handler_caller \
+    ? ((FRAME)->next \
+       ? read_memory_integer ((FRAME)->next->frame + SIG_PC_FP_OFFSET, 4) \
+       : read_memory_integer (read_register (SP_REGNUM) \
+			      + SIG_PC_FP_OFFSET - 8, 4) \
+       ) \
+    : read_memory_integer ((FRAME)->frame + 4, 4)) \
+   )
+
+#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
+
+#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
+
+/* Set VAL to the number of args passed to frame described by FI.
+   Can set VAL to -1, meaning no way to tell.  */
+
+/* We can't tell how many args there are
+   now that the C compiler delays popping them.  */
+#if !defined (FRAME_NUM_ARGS)
+#define FRAME_NUM_ARGS(val,fi) (val = -1)
+#endif
+
+/* Return number of bytes at start of arglist that are not really args.  */
+
+#define FRAME_ARGS_SKIP 8
+
+/* Put here the code to store, into a struct frame_saved_regs,
+   the addresses of the saved registers of frame described by FRAME_INFO.
+   This includes special registers such as pc and fp saved in special
+   ways in the stack frame.  sp is even more special:
+   the address we return for it IS the sp for the next frame.  */
+
+#if !defined (FRAME_FIND_SAVED_REGS)
+#define FRAME_FIND_SAVED_REGS(fi,fsr) m68k_find_saved_regs ((fi), &(fsr))
+#endif /* no FIND_FRAME_SAVED_REGS.  */
+
+
+/* Things needed for making the inferior call functions.  */
+
+/* The CALL_DUMMY macro is the sequence of instructions, as disassembled
+   by gdb itself:
+
+   These instructions exist only so that m68k_find_saved_regs can parse
+   them as a "prologue"; they are never executed.
+
+	fmovemx fp0-fp7,sp@-			0xf227 0xe0ff
+	moveml d0-a5,sp@-			0x48e7 0xfffc
+	clrw sp@-				0x4267
+	movew ccr,sp@-				0x42e7
+
+   The arguments are pushed at this point by GDB; no code is needed in
+   the dummy for this.  The CALL_DUMMY_START_OFFSET gives the position
+   of the following jsr instruction.  That is where we start
+   executing.
+
+	jsr @#0x32323232			0x4eb9 0x3232 0x3232
+	addal #0x69696969,sp			0xdffc 0x6969 0x6969
+	trap #<your BPT_VECTOR number here>	0x4e4?
+	nop					0x4e71
+
+   Note this is CALL_DUMMY_LENGTH bytes (28 for the above example).
+
+   The dummy frame always saves the floating-point registers, whether they
+   actually exist on this target or not.  */
+
+/* FIXME: Wrong to hardwire this as BPT_VECTOR when sometimes it
+   should be REMOTE_BPT_VECTOR.  Best way to fix it would be to define
+   CALL_DUMMY_BREAKPOINT_OFFSET.  */
+
+#define CALL_DUMMY {0xf227e0ff, 0x48e7fffc, 0x426742e7, 0x4eb93232, 0x3232dffc, 0x69696969, (0x4e404e71 | (BPT_VECTOR << 16))}
+#define CALL_DUMMY_LENGTH 28		/* Size of CALL_DUMMY */
+#define CALL_DUMMY_START_OFFSET 12	/* Offset to jsr instruction*/
+#define CALL_DUMMY_BREAKPOINT_OFFSET (CALL_DUMMY_START_OFFSET + 12)
+
+/* Insert the specified number of args and function address
+   into a call sequence of the above form stored at DUMMYNAME.
+   We use the BFD routines to store a big-endian value of known size.  */
+
+#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p)     \
+{ bfd_putb32 (fun,     (unsigned char *) dummyname + CALL_DUMMY_START_OFFSET + 2);  \
+  bfd_putb32 (nargs*4, (unsigned char *) dummyname + CALL_DUMMY_START_OFFSET + 8); }
+
+/* Push an empty stack frame, to record the current PC, etc.  */
+
+#define PUSH_DUMMY_FRAME	{ m68k_push_dummy_frame (); }
+
+extern void m68k_push_dummy_frame PARAMS ((void));
+
+extern void m68k_pop_frame PARAMS ((void));
+
+/* Discard from the stack the innermost frame, restoring all registers.  */
+
+#define POP_FRAME		{ m68k_pop_frame (); }
+
+/* Offset from SP to first arg on stack at first instruction of a function */
+
+#define SP_ARG0 (1 * 4)
+
+#define TARGET_M68K
diff --git a/gdb/config/m68k/tm-m68klynx.h b/gdb/config/m68k/tm-m68klynx.h
new file mode 100644
index 0000000..fbe5707
--- /dev/null
+++ b/gdb/config/m68k/tm-m68klynx.h
@@ -0,0 +1,38 @@
+/* Macro definitions for Motorola 680x0 running under LynxOS.
+   Copyright 1993 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 TM_M68KLYNX_H
+#define TM_M68KLYNX_H
+
+#include "tm-lynx.h"
+
+/* If PC-2 contains this instruction, then we know what we are in a system
+   call stub, and the return PC is is at SP+4, instead of SP. */
+
+#define SYSCALL_TRAP 0x4e4a	/* trap #10 */
+#define SYSCALL_TRAP_OFFSET 2	/* PC is after trap instruction */
+
+/* Use the generic 68k definitions. */
+
+#include "m68k/tm-m68k.h"
+
+/* Disable dumbshit alternate breakpoint mechanism needed by 68k stub. */
+#undef REMOTE_BREAKPOINT
+
+#endif /* TM_M68KLYNX_H */
diff --git a/gdb/config/m68k/tm-m68kv4.h b/gdb/config/m68k/tm-m68kv4.h
new file mode 100644
index 0000000..6730607
--- /dev/null
+++ b/gdb/config/m68k/tm-m68kv4.h
@@ -0,0 +1,70 @@
+/* Target definitions for GDB on a Motorola 680x0 running SVR4.
+   (Commodore Amiga with amix or Atari TT with ASV)
+   Copyright (C) 1991, 1995 Free Software Foundation, Inc.
+   Written by Fred Fish at Cygnus Support (fnf@cygint)
+
+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 BPT_VECTOR if it is different than the default.
+   This is the vector number used by traps to indicate a breakpoint. */
+
+#define BPT_VECTOR 0x1
+
+/* How much to decrement the PC after a trap.  Depends on kernel. */
+
+#define DECR_PC_AFTER_BREAK 0		/* No decrement required */
+
+/* Use the alternate method of determining valid frame chains. */
+
+#define FRAME_CHAIN_VALID(fp,fi) alternate_frame_chain_valid (fp, fi)
+
+#include "tm-sysv4.h"
+#include "m68k/tm-m68k.h"
+
+/* Offsets (in target ints) into jmp_buf.  Not defined in any system header
+   file, so we have to step through setjmp/longjmp with a debugger and figure
+   them out.  As a double check, note that <setjmp> defines _JBLEN as 13,
+   which matches the number of elements we see saved by setjmp(). */
+
+#define JB_ELEMENT_SIZE sizeof(int)	/* jmp_buf[_JBLEN] is array of ints */
+
+#define JB_D2	0
+#define JB_D3	1
+#define JB_D4	2
+#define JB_D5	3
+#define JB_D6	4
+#define JB_D7	5
+#define JB_A1	6
+#define JB_A2	7
+#define JB_A3	8
+#define JB_A4	9
+#define JB_A5	10
+#define JB_A6	11
+#define JB_A7	12
+
+#define JB_PC	JB_A1	/* Setjmp()'s return PC saved in A1 */
+
+/* Figure out where the longjmp will land.  Slurp the args out of the stack.
+   We expect the first arg to be a pointer to the jmp_buf structure from which
+   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
+   This routine returns true on success */
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
+extern int get_longjmp_target PARAMS ((CORE_ADDR *));
+
+/* Convert a DWARF register number to a gdb REGNUM.  */
+#define DWARF_REG_TO_REGNUM(num) ((num) < 16 ? (num) : (num)+FP0_REGNUM-16)
diff --git a/gdb/config/m68k/tm-mac.h b/gdb/config/m68k/tm-mac.h
new file mode 100644
index 0000000..90b4fab
--- /dev/null
+++ b/gdb/config/m68k/tm-mac.h
@@ -0,0 +1,20 @@
+/* Target-dependent definitions for Mac running MacOS.
+   Copyright (C) 1994 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.  */
+
+#include "m68k/tm-m68k.h"
diff --git a/gdb/config/m68k/tm-monitor.h b/gdb/config/m68k/tm-monitor.h
new file mode 100644
index 0000000..7a48d9c
--- /dev/null
+++ b/gdb/config/m68k/tm-monitor.h
@@ -0,0 +1,44 @@
+/* Target machine definitions for a generic m68k monitor/emulator.
+   Copyright (C) 1986, 1987, 1989, 1993, 1995 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.  */
+
+/* The definitions here are appropriate for several embedded m68k-based
+   targets, including IDP (rom68k), BCC (cpu32bug), and EST's emulator.  */
+
+/* GCC is probably the only compiler used on this configuration.  So
+   get this right even if the code which detects gcc2_compiled. is
+   still broken.  */
+
+#define BELIEVE_PCC_PROMOTION 1
+
+/* The target system handles breakpoints.  */
+
+#define DECR_PC_AFTER_BREAK 0
+
+/* No float registers.  */
+
+/*#define NUM_REGS 18*/
+
+#include "m68k/tm-m68k.h"
+
+/* Need to do this for ELF targets, where we can't figure out the boundaries of
+   the entry file.  This method stops the backtrace when we reach main.  */
+
+#define FRAME_CHAIN_VALID(fp,fi) alternate_frame_chain_valid (fp, fi)
+
+/* FIXME, should do GET_LONGJMP_TARGET for newlib.  */
diff --git a/gdb/config/m68k/tm-nbsd.h b/gdb/config/m68k/tm-nbsd.h
new file mode 100644
index 0000000..cc86cc8
--- /dev/null
+++ b/gdb/config/m68k/tm-nbsd.h
@@ -0,0 +1,41 @@
+/* Macro definitions for i386 running under NetBSD.
+   Copyright 1994 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 TM_NBSD_H
+#define TM_NBSD_H
+
+#include <sys/param.h>
+#include <machine/vmparam.h>
+
+/* Define BPT_VECTOR if it is different than the default.
+   This is the vector number used by traps to indicate a breakpoint. */
+
+#define BPT_VECTOR 0x2
+
+/* Address of end of stack space.  */
+#define STACK_END_ADDR USRSTACK
+
+/* For NetBSD, sigtramp is 32 bytes before STACK_END_ADDR.  */
+#define SIGTRAMP_START(pc) (STACK_END_ADDR - 32)
+#define SIGTRAMP_END(pc) (STACK_END_ADDR)
+
+#include "m68k/tm-m68k.h"
+#include "tm-nbsd.h"
+
+#endif /* TM_NBSD_H */
diff --git a/gdb/config/m68k/tm-news.h b/gdb/config/m68k/tm-news.h
new file mode 100644
index 0000000..9fca446
--- /dev/null
+++ b/gdb/config/m68k/tm-news.h
@@ -0,0 +1,75 @@
+/* Parameters for execution on a Sony/NEWS, for GDB, the GNU debugger.
+   Copyright 1987, 1989, 1991, 1993 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.  */
+
+/* See following cpu type determination macro to get the machine type.
+
+Here is an m-news.h file for gdb.  It supports the 68881 registers.
+                                           by hikichi@srava.sra.junet
+
+* Ptrace for handling floating register has a bug(before NEWS OS version 2.2),
+* After NEWS OS version 3.2, some of ptrace's bug is fixed.
+  But we cannot change the floating register(see adb(1) in OS 3.2) yet.  */
+
+/* Extract from an array REGBUF containing the (raw) register state
+   a function return value of type TYPE, and copy that, in virtual format,
+   into VALBUF.  */
+
+/* when it return the floating value, use the FP0 in NEWS.  */
+#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
+  { if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
+      { \
+	REGISTER_CONVERT_TO_VIRTUAL (FP0_REGNUM, TYPE, \
+			             &REGBUF[REGISTER_BYTE (FP0_REGNUM)], \
+				     VALBUF); \
+      } \
+    else \
+      memcpy (VALBUF, REGBUF, TYPE_LENGTH (TYPE)); }
+
+/* Write into appropriate registers a function return value
+   of type TYPE, given in virtual format.  */
+
+/* when it return the floating value, use the FP0 in NEWS.  */
+#define STORE_RETURN_VALUE(TYPE,VALBUF) \
+  { if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
+      { \
+	char raw_buf[REGISTER_RAW_SIZE (FP0_REGNUM)]; \
+	REGISTER_CONVERT_TO_RAW (TYPE, FP0_REGNUM, VALBUF, raw_buf); \
+	write_register_bytes (REGISTER_BYTE (FP0_REGNUM), \
+			      raw_buf, REGISTER_RAW_SIZE (FP0_REGNUM)); \
+      } \
+    else \
+      write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)); }
+
+/* Return number of args passed to a frame.
+   Can return -1, meaning no way to tell.  */
+
+#define FRAME_NUM_ARGS(val, fi)  \
+{ register CORE_ADDR pc = FRAME_SAVED_PC (fi);			\
+  register int insn = 0177777 & read_memory_integer (pc, 2);	\
+  val = 0;							\
+  if (insn == 0047757 || insn == 0157374)  /* lea W(sp),sp or addaw #W,sp */ \
+    val = read_memory_integer (pc + 2, 2);			\
+  else if ((insn & 0170777) == 0050217 /* addql #N, sp */	\
+	   || (insn & 0170777) == 0050117)  /* addqw */		\
+    { val = (insn >> 9) & 7; if (val == 0) val = 8; }		\
+  else if (insn == 0157774) /* addal #WW, sp */			\
+    val = read_memory_integer (pc + 2, 4);			\
+  val >>= 2; }
+
+#include "m68k/tm-m68k.h"
diff --git a/gdb/config/m68k/tm-os68k.h b/gdb/config/m68k/tm-os68k.h
new file mode 100644
index 0000000..a69573f
--- /dev/null
+++ b/gdb/config/m68k/tm-os68k.h
@@ -0,0 +1,46 @@
+/* Parameters for execution on VxWorks m68k's, for GDB, the GNU debugger.
+   Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
+   Contributed by Cygnus Support.
+
+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	GDBINIT_FILENAME	".os68gdbinit"
+
+#define	DEFAULT_PROMPT		"(os68k) "
+
+#include "m68k/tm-m68k.h"
+
+/* We have more complex, useful breakpoints on the target.  */
+#undef DECR_PC_AFTER_BREAK
+#define	DECR_PC_AFTER_BREAK	0
+
+/* Takes the current frame-struct pointer and returns the chain-pointer
+   to get to the calling frame.
+
+   If our current frame pointer is zero, we're at the top; else read out
+   the saved FP from memory pointed to by the current FP.  */
+
+#undef	FRAME_CHAIN
+#define FRAME_CHAIN(thisframe) ((thisframe)->frame? read_memory_integer ((thisframe)->frame, 4): 0)
+
+/* If the chain pointer is zero (either because the saved value fetched
+   by FRAME_CHAIN was zero, or because the current FP was zero so FRAME_CHAIN
+   never fetched anything), we are at the top of the stack.  */
+/* We are guaranteed to have a zero frame pointer at bottom of stack, too. */
+
+#undef FRAME_CHAIN_VALID
+#define FRAME_CHAIN_VALID(chain, thisframe) nonnull_frame_chain_valid (chain, thisframe)
diff --git a/gdb/config/m68k/tm-st2000.h b/gdb/config/m68k/tm-st2000.h
new file mode 100644
index 0000000..8ddf0e9
--- /dev/null
+++ b/gdb/config/m68k/tm-st2000.h
@@ -0,0 +1,20 @@
+/* Parameters for a Tandem ST2000 phone switch.
+   Copyright (C) 1986, 1987, 1989, 199 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.  */
+
+#include "m68k/tm-m68k.h"
diff --git a/gdb/config/m68k/tm-sun2.h b/gdb/config/m68k/tm-sun2.h
new file mode 100644
index 0000000..9970f1e
--- /dev/null
+++ b/gdb/config/m68k/tm-sun2.h
@@ -0,0 +1,23 @@
+/* Parameters for execution on a Sun, for GDB, the GNU debugger.
+   Copyright (C) 1986, 1987, 1989, 1992 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.  */
+
+/* The child target can't deal with floating registers.  */
+#define CANNOT_STORE_REGISTER(regno) ((regno) >= FP0_REGNUM)
+
+#include "m68k/tm-m68k.h"
diff --git a/gdb/config/m68k/tm-sun2os4.h b/gdb/config/m68k/tm-sun2os4.h
new file mode 100644
index 0000000..76c7f99
--- /dev/null
+++ b/gdb/config/m68k/tm-sun2os4.h
@@ -0,0 +1,20 @@
+/* Copyright (C) 1990, 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.  */
+
+#include "m68k/tm-sun2.h"
+#include "tm-sunos.h"
diff --git a/gdb/config/m68k/tm-sun3.h b/gdb/config/m68k/tm-sun3.h
new file mode 100644
index 0000000..be45db4
--- /dev/null
+++ b/gdb/config/m68k/tm-sun3.h
@@ -0,0 +1,107 @@
+/* Parameters for execution on a Sun, for GDB, the GNU debugger.
+   Copyright (C) 1986, 1987, 1989, 1992 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 TM_SUN3_H
+#define TM_SUN3_H
+
+/* Sun3 status includes fpflags, which shows whether the FPU has been used
+   by the process, and whether the FPU was done with an instruction or 
+   was interrupted in the middle of a long instruction.  See
+   <machine/reg.h>.  */
+/*                      a&d, pc,sr, fp, fpstat, fpflags   */
+
+#define REGISTER_BYTES (16*4 + 8 + 8*12 + 3*4 + 4)
+
+#define NUM_REGS 31
+
+#define REGISTER_BYTES_OK(b) \
+     ((b) == REGISTER_BYTES \
+      || (b) == REGISTER_BYTES_FP \
+      || (b) == REGISTER_BYTES_NOFP)
+
+/* If PC contains this instruction, then we know what we are in a system
+   call stub, and the return PC is is at SP+4, instead of SP. */
+
+#define SYSCALL_TRAP 0x4e40	/* trap #0 */
+#define SYSCALL_TRAP_OFFSET 0	/* PC points at trap instruction */
+
+#include "m68k/tm-m68k.h"
+
+/* Disable alternate breakpoint mechanism needed by 68k stub. */
+#undef REMOTE_BREAKPOINT
+
+/* Offsets (in target ints) into jmp_buf.  Not defined by Sun, but at least
+   documented in a comment in <machine/setjmp.h>! */
+
+#define JB_ELEMENT_SIZE 4
+
+#define JB_ONSSTACK 0
+#define JB_SIGMASK 1
+#define JB_SP 2
+#define JB_PC 3
+#define JB_PSL 4
+#define JB_D2 5
+#define JB_D3 6
+#define JB_D4 7
+#define JB_D5 8
+#define JB_D6 9
+#define JB_D7 10
+#define JB_A2 11
+#define JB_A3 12
+#define JB_A4 13
+#define JB_A5 14
+#define JB_A6 15
+
+/* Figure out where the longjmp will land.  Slurp the args out of the stack.
+   We expect the first arg to be a pointer to the jmp_buf structure from which
+   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
+   This routine returns true on success */
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
+extern int get_longjmp_target PARAMS ((CORE_ADDR *));
+
+/* If sun3 pcc says that a parameter is a short, it's a short.  */
+#define BELIEVE_PCC_PROMOTION_TYPE
+
+/* Can't define BELIEVE_PCC_PROMOTION for SunOS /bin/cc of SunOS 4.1.1.
+   Apparently Sun fixed this for the sparc but not the sun3.  */
+
+/* The code which tries to deal with this bug is never harmful on a sun3.  */
+#define SUN_FIXED_LBRAC_BUG (0)
+
+/* On the sun3 the kernel pushes a sigcontext on the user stack and then
+   `calls' _sigtramp in user code. _sigtramp saves the floating point status
+   on the stack and calls the signal handler function. The stack does not
+   contain enough information to allow a normal backtrace, but sigcontext
+   contains the saved user pc/sp. FRAME_CHAIN and friends in tm-m68k.h and
+   m68k_find_saved_regs deal with this situation by manufacturing a fake frame
+   for _sigtramp.
+   SIG_PC_FP_OFFSET is the offset from the signal handler frame to the
+   saved pc in sigcontext.
+   SIG_SP_FP_OFFSET is the offset from the signal handler frame to the end
+   of sigcontext which is identical to the saved sp at SIG_PC_FP_OFFSET - 4.
+
+   Please note that it is impossible to correctly backtrace from a breakpoint
+   in _sigtramp as _sigtramp modifies the stack pointer a few times.  */
+
+#undef SIG_PC_FP_OFFSET
+#define SIG_PC_FP_OFFSET 324
+#define SIG_SP_FP_OFFSET 332
+
+#endif /* TM_SUN3_H */
diff --git a/gdb/config/m68k/tm-sun3os4.h b/gdb/config/m68k/tm-sun3os4.h
new file mode 100644
index 0000000..927587b
--- /dev/null
+++ b/gdb/config/m68k/tm-sun3os4.h
@@ -0,0 +1,21 @@
+/* Target machine parameters for Sun-3 under SunOS 4.x, for GDB.
+   Copyright (C) 1986, 1987, 1989, 1992 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.  */
+
+#include "m68k/tm-sun3.h"
+#include "tm-sunos.h"
diff --git a/gdb/config/m68k/tm-vx68.h b/gdb/config/m68k/tm-vx68.h
new file mode 100644
index 0000000..e601bda
--- /dev/null
+++ b/gdb/config/m68k/tm-vx68.h
@@ -0,0 +1,91 @@
+/* Target machine description for VxWorks m68k's, for GDB, the GNU debugger.
+   Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
+   Contributed by Cygnus Support.
+
+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	GDBINIT_FILENAME	".vxgdbinit"
+
+#define	DEFAULT_PROMPT		"(vxgdb) "
+
+/* GCC is probably the only compiler used on this configuration.  So
+   get this right even if the code which detects gcc2_compiled. is
+   still broken.  */
+
+#define BELIEVE_PCC_PROMOTION 1
+
+/* We have more complex, useful breakpoints on the target.  */
+#define	DECR_PC_AFTER_BREAK	0
+
+#include "m68k/tm-m68k.h"
+
+/* Takes the current frame-struct pointer and returns the chain-pointer
+   to get to the calling frame.
+
+   If our current frame pointer is zero, we're at the top; else read out
+   the saved FP from memory pointed to by the current FP.  */
+
+#undef	FRAME_CHAIN
+#define FRAME_CHAIN(thisframe) ((thisframe)->frame? read_memory_integer ((thisframe)->frame, 4): 0)
+
+/* If the chain pointer is zero (either because the saved value fetched
+   by FRAME_CHAIN was zero, or because the current FP was zero so FRAME_CHAIN
+   never fetched anything), we are at the top of the stack.  */
+/* We are guaranteed to have a zero frame pointer at bottom of stack, too. */
+
+#undef	FRAME_CHAIN_VALID
+#define FRAME_CHAIN_VALID(chain, thisframe) nonnull_frame_chain_valid (chain, thisframe)
+
+/* FIXME, Longjmp information stolen from Sun-3 config.  Dunno if right.  */
+/* Offsets (in target ints) into jmp_buf.  Not defined by Sun, but at least
+   documented in a comment in <machine/setjmp.h>! */
+
+#define JB_ELEMENT_SIZE 4
+
+#define JB_ONSSTACK 0
+#define JB_SIGMASK 1
+#define JB_SP 2
+#define JB_PC 3
+#define JB_PSL 4
+#define JB_D2 5
+#define JB_D3 6
+#define JB_D4 7
+#define JB_D5 8
+#define JB_D6 9
+#define JB_D7 10
+#define JB_A2 11
+#define JB_A3 12
+#define JB_A4 13
+#define JB_A5 14
+#define JB_A6 15
+
+/* Figure out where the longjmp will land.  Slurp the args out of the stack.
+   We expect the first arg to be a pointer to the jmp_buf structure from which
+   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
+   This routine returns true on success */
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
+extern int get_longjmp_target PARAMS ((CORE_ADDR *));
+
+/* Number of registers in a ptrace_getregs call. */
+
+#define VX_NUM_REGS (18)
+
+/* Number of registers in a ptrace_getfpregs call. */
+
+#define VX_SIZE_FPREGS (8 * REGISTER_RAW_SIZE (FP0_REGNUM) \
+			+ (3 * REGISTER_SIZE))
diff --git a/gdb/config/m68k/vxworks68.mt b/gdb/config/m68k/vxworks68.mt
new file mode 100644
index 0000000..8c97744
--- /dev/null
+++ b/gdb/config/m68k/vxworks68.mt
@@ -0,0 +1,3 @@
+# Target: Motorola m68k running VxWorks
+TDEPFILES= m68k-tdep.o remote-vx.o remote-vx68.o xdr_ld.o xdr_ptrace.o xdr_rdb.o
+TM_FILE= tm-vx68.h
diff --git a/gdb/config/m68k/xm-3b1.h b/gdb/config/m68k/xm-3b1.h
new file mode 100644
index 0000000..d1cc7f1
--- /dev/null
+++ b/gdb/config/m68k/xm-3b1.h
@@ -0,0 +1,85 @@
+/* Parameters for execution on a 3b1.
+   Copyright (C) 1986, 1987, 1989 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.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+#define HAVE_TERMIO
+#define USG
+
+/* This is the amount to subtract from u.u_ar0
+   to get the offset in the core file of the register values.  */
+
+#define KERNEL_U_ADDR 0x70000
+
+#define REGISTER_U_ADDR(addr, blockend, regno)		\
+{ addr = blockend + regno * 4; }
+
+/* Interface definitions for kernel debugger KDB.  */
+
+/* Map machine fault codes into signal numbers.
+   First subtract 0, divide by 4, then index in a table.
+   Faults for which the entry in this table is 0
+   are not handled by KDB; the program's own trap handler
+   gets to handle then.  */
+
+#define FAULT_CODE_ORIGIN 0
+#define FAULT_CODE_UNITS 4
+#define FAULT_TABLE    \
+{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
+  0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
+  0, 0, 0, 0, 0, 0, 0, 0, \
+  SIGILL }
+
+/* Start running with a stack stretching from BEG to END.
+   BEG and END should be symbols meaningful to the assembler.
+   This is used only for kdb.  */
+
+#define INIT_STACK(beg, end)  \
+{ asm (".globl end");         \
+  asm ("movel $ end, sp");      \
+  asm ("clrl fp"); }
+
+/* Push the frame pointer register on the stack.  */
+#define PUSH_FRAME_PTR        \
+  asm ("movel fp, -(sp)");
+
+/* Copy the top-of-stack to the frame pointer register.  */
+#define POP_FRAME_PTR  \
+  asm ("movl (sp), fp");
+
+/* After KDB is entered by a fault, push all registers
+   that GDB thinks about (all NUM_REGS of them),
+   so that they appear in order of ascending GDB register number.
+   The fault code will be on the stack beyond the last register.  */
+
+#define PUSH_REGISTERS        \
+{ asm ("clrw -(sp)");	      \
+  asm ("pea 10(sp)");	      \
+  asm ("movem $ 0xfffe,-(sp)"); }
+
+/* Assuming the registers (including processor status) have been
+   pushed on the stack in order of ascending GDB register number,
+   restore them and return to the address in the saved PC register.  */
+
+#define POP_REGISTERS          \
+{ asm ("subil $8,28(sp)");     \
+  asm ("movem (sp),$ 0xffff"); \
+  asm ("rte"); }
+
+#endif
diff --git a/gdb/config/m68k/xm-altos.h b/gdb/config/m68k/xm-altos.h
new file mode 100644
index 0000000..ca93bd1
--- /dev/null
+++ b/gdb/config/m68k/xm-altos.h
@@ -0,0 +1,202 @@
+/* Definitions to make GDB run on an Altos 3068 (m68k running SVR2)
+   Copyright (C) 1987,1989 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.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+/* The altos support would make a good base for a port to other USGR2 systems
+   (like the 3b1 and the Convergent miniframe).  */
+
+/* This is only needed in one file, but it's cleaner to put it here than
+   putting in more #ifdef's.  */
+#include <sys/page.h>
+#include <sys/net.h>
+
+#define USG
+
+#define HAVE_TERMIO
+
+#define CBREAK XTABS	/* It takes all kinds... */
+
+#ifndef R_OK
+#define R_OK 4
+#define W_OK 2
+#define X_OK 1
+#define F_OK 0
+#endif
+
+/* Get sys/wait.h ie. from a Sun and edit it a little (mc68000 to m68k) */
+/* Why bother?  */
+#if 0
+#define HAVE_WAIT_STRUCT
+#endif
+
+/* This is the amount to subtract from u.u_ar0
+   to get the offset in the core file of the register values. */
+
+#define KERNEL_U_ADDR 0x1fbf000
+
+#define REGISTER_U_ADDR(addr, blockend, regno)		\
+{	if (regno <= SP_REGNUM) \
+	  addr = blockend + regno * 4; \
+	else if (regno == PS_REGNUM) \
+	  addr = blockend + regno * 4 + 4; \
+	else if (regno == PC_REGNUM) \
+	  addr = blockend + regno * 4 + 2; \
+}
+
+#define REGISTER_ADDR(u_ar0, regno)					\
+  (((regno) < PS_REGNUM)						\
+   ? (&((struct exception_stack *) (u_ar0))->e_regs[(regno + R0)])	\
+   : (((regno) == PS_REGNUM)						\
+      ? ((int *) (&((struct exception_stack *) (u_ar0))->e_PS))		\
+      : (&((struct exception_stack *) (u_ar0))->e_PC)))
+
+#define FP_REGISTER_ADDR(u, regno)					\
+  (((char *)								\
+    (((regno) < FPC_REGNUM)						\
+     ? (&u.u_pcb.pcb_mc68881[FMC68881_R0 + (((regno) - FP0_REGNUM) * 3)]) \
+     : (&u.u_pcb.pcb_mc68881[FMC68881_C + ((regno) - FPC_REGNUM)])))	\
+   - ((char *) (& u)))
+
+
+#ifndef __GNUC__
+#undef USE_GAS
+#define ALTOS_AS
+#else
+#define USE_GAS
+#endif
+
+/* Motorola assembly format */
+#if !defined(USE_GAS) && !defined(ALTOS)
+#define MOTOROLA
+#endif
+
+/* Interface definitions for kernel debugger KDB.  */
+
+/* Map machine fault codes into signal numbers.
+   First subtract 0, divide by 4, then index in a table.
+   Faults for which the entry in this table is 0
+   are not handled by KDB; the program's own trap handler
+   gets to handle then.  */
+
+#define FAULT_CODE_ORIGIN 0
+#define FAULT_CODE_UNITS 4
+#define FAULT_TABLE    \
+{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
+  0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
+  0, 0, 0, 0, 0, 0, 0, 0, \
+  SIGILL }
+
+/* Start running with a stack stretching from BEG to END.
+   BEG and END should be symbols meaningful to the assembler.
+   This is used only for kdb.  */
+
+#ifdef MOTOROLA
+#define INIT_STACK(beg, end)  \
+{ asm (".globl end");         \
+  asm ("move.l $ end, sp");      \
+  asm ("clr.l fp"); }
+#else
+#ifdef ALTOS_AS
+#define INIT_STACK(beg, end)  \
+{ asm ("global end");         \
+  asm ("mov.l &end,%sp");      \
+  asm ("clr.l %fp"); }
+#else
+#define INIT_STACK(beg, end)  \
+{ asm (".globl end");         \
+  asm ("movel $ end, sp");      \
+  asm ("clrl fp"); }
+#endif
+#endif
+
+/* Push the frame pointer register on the stack.  */
+#ifdef MOTOROLA
+#define PUSH_FRAME_PTR        \
+  asm ("move.l fp, -(sp)");
+#else
+#ifdef ALTOS_AS
+#define PUSH_FRAME_PTR        \
+  asm ("mov.l %fp, -(%sp)");
+#else
+#define PUSH_FRAME_PTR        \
+  asm ("movel fp, -(sp)");
+#endif
+#endif
+
+/* Copy the top-of-stack to the frame pointer register.  */
+#ifdef MOTOROLA
+#define POP_FRAME_PTR  \
+  asm ("move.l (sp), fp");
+#else
+#ifdef ALTOS_AS
+#define POP_FRAME_PTR  \
+  asm ("mov.l (%sp), %fp");
+#else
+#define POP_FRAME_PTR  \
+  asm ("movl (sp), fp");
+#endif
+#endif
+
+/* After KDB is entered by a fault, push all registers
+   that GDB thinks about (all NUM_REGS of them),
+   so that they appear in order of ascending GDB register number.
+   The fault code will be on the stack beyond the last register.  */
+
+#ifdef MOTOROLA
+#define PUSH_REGISTERS        \
+{ asm ("clr.w -(sp)");	      \
+  asm ("pea (10,sp)");	      \
+  asm ("movem $ 0xfffe,-(sp)"); }
+#else
+#ifdef ALTOS_AS
+#define PUSH_REGISTERS        \
+{ asm ("clr.w -(%sp)");	      \
+  asm ("pea (10,%sp)");	      \
+  asm ("movm.l &0xfffe,-(%sp)"); }
+#else
+#define PUSH_REGISTERS        \
+{ asm ("clrw -(sp)");	      \
+  asm ("pea 10(sp)");	      \
+  asm ("movem $ 0xfffe,-(sp)"); }
+#endif
+#endif
+
+/* Assuming the registers (including processor status) have been
+   pushed on the stack in order of ascending GDB register number,
+   restore them and return to the address in the saved PC register.  */
+
+#ifdef MOTOROLA
+#define POP_REGISTERS          \
+{ asm ("subi.l $8,28(sp)");     \
+  asm ("movem (sp),$ 0xffff"); \
+  asm ("rte"); }
+#else
+#ifdef ALTOS_AS
+#define POP_REGISTERS          \
+{ asm ("sub.l &8,28(%sp)");     \
+  asm ("movem (%sp),&0xffff"); \
+  asm ("rte"); }
+#else
+#define POP_REGISTERS          \
+{ asm ("subil $8,28(sp)");     \
+  asm ("movem (sp),$ 0xffff"); \
+  asm ("rte"); }
+#endif
+#endif
diff --git a/gdb/config/m68k/xm-apollo68b.h b/gdb/config/m68k/xm-apollo68b.h
new file mode 100644
index 0000000..f0defda
--- /dev/null
+++ b/gdb/config/m68k/xm-apollo68b.h
@@ -0,0 +1,24 @@
+/* Macro definitions for an Apollo m68k in BSD mode
+   Copyright (C) 1992 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.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+#define ALIGN_STACK_ON_STARTUP
+
+extern char *strdup();
diff --git a/gdb/config/m68k/xm-apollo68v.h b/gdb/config/m68k/xm-apollo68v.h
new file mode 100644
index 0000000..c87ff47
--- /dev/null
+++ b/gdb/config/m68k/xm-apollo68v.h
@@ -0,0 +1,44 @@
+/* Macro defintions for an Apollo.
+   Copyright (C) 1986, 1987, 1989, 1992 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.  */
+
+/*
+ * Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu)
+ * July 1988
+ */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+/* I'm running gdb 3.4 under 386/ix 2.0.2, which is a derivative of AT&T's
+Sys V/386 3.2.
+
+On some machines, gdb crashes when it's starting up while calling the
+vendor's termio tgetent() routine.  It always works when run under
+itself (actually, under 3.2, it's not an infinitely recursive bug.)
+After some poking around, it appears that depending on the environment
+size, or whether you're running YP, or the phase of the moon or something,
+the stack is not always long-aligned when main() is called, and tgetent()
+takes strong offense at that.  On some machines this bug never appears, but
+on those where it does, it occurs quite reliably.  */
+#define ALIGN_STACK_ON_STARTUP
+
+/* define USG if you are using sys5 /usr/include's */
+#define USG
+
+#define HAVE_TERMIO
+
diff --git a/gdb/config/m68k/xm-delta68.h b/gdb/config/m68k/xm-delta68.h
new file mode 100644
index 0000000..6ce705c
--- /dev/null
+++ b/gdb/config/m68k/xm-delta68.h
@@ -0,0 +1,36 @@
+/* Macro definitions for a Delta.
+   Copyright (C) 1986, 1987, 1989, 1992 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.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+/* I'm running gdb 4.9 under sysV68 R3V7.1.
+
+   On some machines, gdb crashes when it's starting up while calling the
+   vendor's termio tgetent() routine.  It always works when run under
+   itself (actually, under 3.2, it's not an infinitely recursive bug.)
+   After some poking around, it appears that depending on the environment
+   size, or whether you're running YP, or the phase of the moon or something,
+   the stack is not always long-aligned when main() is called, and tgetent()
+   takes strong offense at that.  On some machines this bug never appears, but
+   on those where it does, it occurs quite reliably.  */
+#define ALIGN_STACK_ON_STARTUP
+
+#define USG
+
+#define HAVE_TERMIO
diff --git a/gdb/config/m68k/xm-dpx2.h b/gdb/config/m68k/xm-dpx2.h
new file mode 100644
index 0000000..e5532e7
--- /dev/null
+++ b/gdb/config/m68k/xm-dpx2.h
@@ -0,0 +1,26 @@
+/* Parameters for execution on a Bull DPX2.
+   Copyright (C) 1986, 1987, 1989 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.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+#define HAVE_TERMIOS
+#define USG
+
+/* Avoid redefinition errors */
+#include <limits.h>
diff --git a/gdb/config/m68k/xm-hp300bsd.h b/gdb/config/m68k/xm-hp300bsd.h
new file mode 100644
index 0000000..5e67792
--- /dev/null
+++ b/gdb/config/m68k/xm-hp300bsd.h
@@ -0,0 +1,85 @@
+/* Parameters for hosting on a Hewlett-Packard 9000/300, running bsd.
+   Copyright 1986, 1987, 1989, 1991, 1992, 1993  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.  */
+
+/*
+ * Configuration file for HP9000/300 series machine running
+ * University of Utah's 4.3bsd (or 4.4BSD) port.  This is NOT for HP-UX.
+ * Problems to hpbsd-bugs@cs.utah.edu
+ */
+
+#define	HOST_BYTE_ORDER	BIG_ENDIAN
+
+#include <sys/param.h>	/* For INT_MIN */
+
+/* Kernel is a bit tenacious about sharing text segments, disallowing bpts.  */
+#define	ONE_PROCESS_WRITETEXT
+
+extern char *strdup PARAMS ((const char *));
+
+/* Interface definitions for kernel debugger KDB.  */
+
+/* Map machine fault codes into signal numbers.
+   First subtract 0, divide by 4, then index in a table.
+   Faults for which the entry in this table is 0
+   are not handled by KDB; the program's own trap handler
+   gets to handle then.  */
+
+#define FAULT_CODE_ORIGIN 0
+#define FAULT_CODE_UNITS 4
+#define FAULT_TABLE    \
+{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
+  0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
+  0, 0, 0, 0, 0, 0, 0, 0, \
+  SIGILL }
+
+/* Start running with a stack stretching from BEG to END.
+   BEG and END should be symbols meaningful to the assembler.
+   This is used only for kdb.  */
+
+#define INIT_STACK(beg, end)  \
+{ asm (".globl end");         \
+  asm ("movel #end, sp");      \
+  asm ("movel #0,a6"); }
+
+/* Push the frame pointer register on the stack.  */
+#define PUSH_FRAME_PTR        \
+  asm ("movel a6,sp@-");
+
+/* Copy the top-of-stack to the frame pointer register.  */
+#define POP_FRAME_PTR  \
+  asm ("movl sp@,a6");
+
+/* After KDB is entered by a fault, push all registers
+   that GDB thinks about (all NUM_REGS of them),
+   so that they appear in order of ascending GDB register number.
+   The fault code will be on the stack beyond the last register.  */
+
+#define PUSH_REGISTERS        \
+{ asm ("clrw -(sp)");	      \
+  asm ("pea sp@(10)");	      \
+  asm ("movem #0xfffe,sp@-"); }
+
+/* Assuming the registers (including processor status) have been
+   pushed on the stack in order of ascending GDB register number,
+   restore them and return to the address in the saved PC register.  */
+
+#define POP_REGISTERS          \
+{ asm ("subil #8,sp@(28)");     \
+  asm ("movem sp@,#0xffff"); \
+  asm ("rte"); }
diff --git a/gdb/config/m68k/xm-hp300hpux.h b/gdb/config/m68k/xm-hp300hpux.h
new file mode 100644
index 0000000..b6d75d6
--- /dev/null
+++ b/gdb/config/m68k/xm-hp300hpux.h
@@ -0,0 +1,150 @@
+/* Parameters for HP 9000 model 320 hosting, for GDB, the GNU debugger.
+   Copyright (C) 1986, 1987, 1989, 1992 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.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+/* Define this to indicate problems with traps after continuing.  */
+#define HP_OS_BUG
+
+/* Set flag to indicate whether HP's assembler is in use. */
+#ifdef __GNUC__
+#ifdef __HPUX_ASM__
+#define HPUX_ASM
+#endif
+#else /* not GNU C.  */
+#define HPUX_ASM
+#endif /* not GNU C.  */
+
+/* Define this for versions of hp-ux older than 6.0 */
+/* #define HPUX_VERSION_5 */
+
+/* define USG if you are using sys5 /usr/include's */
+#undef USG	/* In case it was defined in the Makefile for cplus-dem.c */
+#define USG
+
+#define HAVE_TERMIOS
+
+#define REGISTER_ADDR(u_ar0, regno)					\
+  (unsigned int)							\
+  (((regno) < PS_REGNUM)						\
+   ? (&((struct exception_stack *) (u_ar0))->e_regs[(regno + R0)])	\
+   : (((regno) == PS_REGNUM)						\
+      ? ((int *) (&((struct exception_stack *) (u_ar0))->e_PS))		\
+      : (&((struct exception_stack *) (u_ar0))->e_PC)))
+
+#define FP_REGISTER_ADDR(u, regno)					\
+  (((char *)								\
+    (((regno) < FPC_REGNUM)						\
+     ? (&u.u_pcb.pcb_mc68881[FMC68881_R0 + (((regno) - FP0_REGNUM) * 3)]) \
+     : (&u.u_pcb.pcb_mc68881[FMC68881_C + ((regno) - FPC_REGNUM)])))	\
+   - ((char *) (& u)))
+
+/* Interface definitions for kernel debugger KDB.  */
+
+/* Map machine fault codes into signal numbers.
+   First subtract 0, divide by 4, then index in a table.
+   Faults for which the entry in this table is 0
+   are not handled by KDB; the program's own trap handler
+   gets to handle then.  */
+
+#define FAULT_CODE_ORIGIN 0
+#define FAULT_CODE_UNITS 4
+#define FAULT_TABLE    \
+{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
+  0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
+  0, 0, 0, 0, 0, 0, 0, 0, \
+  SIGILL }
+
+#ifndef HPUX_ASM
+
+/* Start running with a stack stretching from BEG to END.
+   BEG and END should be symbols meaningful to the assembler.
+   This is used only for kdb.  */
+
+#define INIT_STACK(beg, end)  \
+{ asm (".globl end");         \
+  asm ("movel $ end, sp");      \
+  asm ("clrl fp"); }
+
+/* Push the frame pointer register on the stack.  */
+#define PUSH_FRAME_PTR        \
+  asm ("movel fp, -(sp)");
+
+/* Copy the top-of-stack to the frame pointer register.  */
+#define POP_FRAME_PTR  \
+  asm ("movl (sp), fp");
+
+/* After KDB is entered by a fault, push all registers
+   that GDB thinks about (all NUM_REGS of them),
+   so that they appear in order of ascending GDB register number.
+   The fault code will be on the stack beyond the last register.  */
+
+#define PUSH_REGISTERS        \
+{ asm ("clrw -(sp)");	      \
+  asm ("pea 10(sp)");	      \
+  asm ("movem $ 0xfffe,-(sp)"); }
+
+/* Assuming the registers (including processor status) have been
+   pushed on the stack in order of ascending GDB register number,
+   restore them and return to the address in the saved PC register.  */
+
+#define POP_REGISTERS          \
+{ asm ("subil $8,28(sp)");     \
+  asm ("movem (sp),$ 0xffff"); \
+  asm ("rte"); }
+
+#else /* HPUX_ASM */
+
+/* Start running with a stack stretching from BEG to END.
+   BEG and END should be symbols meaningful to the assembler.
+   This is used only for kdb.  */
+
+#define INIT_STACK(beg, end)						\
+{ asm ("global end");							\
+  asm ("mov.l &end,%sp");						\
+  asm ("clr.l %a6"); }
+
+/* Push the frame pointer register on the stack.  */
+#define PUSH_FRAME_PTR							\
+  asm ("mov.l %fp,-(%sp)");
+
+/* Copy the top-of-stack to the frame pointer register.  */
+#define POP_FRAME_PTR							\
+  asm ("mov.l (%sp),%fp");
+
+/* After KDB is entered by a fault, push all registers
+   that GDB thinks about (all NUM_REGS of them),
+   so that they appear in order of ascending GDB register number.
+   The fault code will be on the stack beyond the last register.  */
+
+#define PUSH_REGISTERS							\
+{ asm ("clr.w -(%sp)");							\
+  asm ("pea 10(%sp)");							\
+  asm ("movm.l &0xfffe,-(%sp)"); }
+
+/* Assuming the registers (including processor status) have been
+   pushed on the stack in order of ascending GDB register number,
+   restore them and return to the address in the saved PC register.  */
+
+#define POP_REGISTERS							\
+{ asm ("subi.l &8,28(%sp)");						\
+  asm ("mov.m (%sp),&0xffff");						\
+  asm ("rte"); }
+
+#endif /* HPUX_ASM */
diff --git a/gdb/config/m68k/xm-isi.h b/gdb/config/m68k/xm-isi.h
new file mode 100644
index 0000000..4e75333
--- /dev/null
+++ b/gdb/config/m68k/xm-isi.h
@@ -0,0 +1,92 @@
+/* Definitions to make GDB run on an ISI Optimum V (3.05) under 4.3bsd.
+   Copyright 1987, 1989, 1992 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.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+/* This has not been tested on ISI's running BSD 4.2, but it will probably
+   work.  */
+
+/* This is the amount to subtract from u.u_ar0
+   to get the offset in the core file of the register values.  */
+
+/*#define KERNEL_U_ADDR 0x10800000*/
+#define KERNEL_U_ADDR 0
+
+/* expects blockend to be u.u_ar0 */
+extern int rloc[];  	/* Defined in isi-dep.c */
+#define REGISTER_U_ADDR(addr, blockend, regno)                  \
+{       blockend &= UPAGES*NBPG - 1;                            \
+	if (regno < 18) addr = (int)blockend + rloc[regno]*4;  	\
+        else if (regno < 26) addr = (int) &((struct user *)0)->u_68881_regs \
+            + (regno - 18) * 12;                                \
+        else if (regno < 29) addr = (int) &((struct user *)0)->u_68881_regs \
+            + 8 * 12 + (regno - 26) * 4;                        \
+}
+
+/* Interface definitions for kernel debugger KDB.  */
+
+/* Map machine fault codes into signal numbers.
+   First subtract 0, divide by 4, then index in a table.
+   Faults for which the entry in this table is 0
+   are not handled by KDB; the program's own trap handler
+   gets to handle then.  */
+
+#define FAULT_CODE_ORIGIN 0
+#define FAULT_CODE_UNITS 4
+#define FAULT_TABLE    \
+{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
+  0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
+  0, 0, 0, 0, 0, 0, 0, 0, \
+  SIGILL }
+
+/* Start running with a stack stretching from BEG to END.
+   BEG and END should be symbols meaningful to the assembler.
+   This is used only for kdb.  */
+
+#define INIT_STACK(beg, end)  \
+{ asm (".globl end");         \
+  asm ("movl $ end, sp");      \
+  asm ("clrl fp"); }
+
+/* Push the frame pointer register on the stack.  */
+#define PUSH_FRAME_PTR        \
+  asm ("movel fp, -(sp)");
+
+/* Copy the top-of-stack to the frame pointer register.  */
+#define POP_FRAME_PTR  \
+  asm ("movl (sp), fp");
+
+/* After KDB is entered by a fault, push all registers
+   that GDB thinks about (all NUM_REGS of them),
+   so that they appear in order of ascending GDB register number.
+   The fault code will be on the stack beyond the last register.  */
+
+#define PUSH_REGISTERS        \
+{ asm ("clrw -(sp)");	      \
+  asm ("pea 10(sp)");	      \
+  asm ("movem $ 0xfffe,-(sp)"); }
+
+/* Assuming the registers (including processor status) have been
+   pushed on the stack in order of ascending GDB register number,
+   restore them and return to the address in the saved PC register.  */
+
+#define POP_REGISTERS          \
+{ asm ("subil $8,28(sp)");     \
+  asm ("movem (sp),$ 0xffff"); \
+  asm ("rte"); }
diff --git a/gdb/config/m68k/xm-linux.h b/gdb/config/m68k/xm-linux.h
new file mode 100644
index 0000000..7266cff
--- /dev/null
+++ b/gdb/config/m68k/xm-linux.h
@@ -0,0 +1,40 @@
+/* Native support for linux, for GDB, the GNU debugger.
+   Copyright (C) 1996,1998 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.  */
+
+#ifndef XM_LINUX_H
+#define XM_LINUX_H
+
+/* Pick up most of what we need from the generic m68k host include file. */
+
+#include "m68k/xm-m68k.h"
+
+/* This is the amount to subtract from u.u_ar0
+   to get the offset in the core file of the register values.  */
+#define KERNEL_U_ADDR 0x0
+
+#define HAVE_TERMIOS
+#define NEED_POSIX_SETPGID
+
+/* Linux has sigsetjmp and siglongjmp */
+#define HAVE_SIGSETJMP
+
+/* Need R_OK etc, but USG isn't defined.  */
+#include <unistd.h>
+
+#endif	/* #ifndef XM_LINUX_H */
diff --git a/gdb/config/m68k/xm-m68k.h b/gdb/config/m68k/xm-m68k.h
new file mode 100644
index 0000000..5479408
--- /dev/null
+++ b/gdb/config/m68k/xm-m68k.h
@@ -0,0 +1,22 @@
+/* Macro definitions for running gdb on host machines with m68k cpu's.
+   Copyright (C) 1991, Free Software Foundation, Inc.
+   Written by Fred Fish at Cygnus Support (fnf@cygint)
+
+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 HOST_BYTE_ORDER BIG_ENDIAN
+
diff --git a/gdb/config/m68k/xm-m68klynx.h b/gdb/config/m68k/xm-m68klynx.h
new file mode 100644
index 0000000..ded6844
--- /dev/null
+++ b/gdb/config/m68k/xm-m68klynx.h
@@ -0,0 +1,24 @@
+/* Host-dependent definitions for Motorola 680x0 running LynxOS, for GDB.
+   Copyright 1993 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.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+/* Get generic LynxOS host definitions. */
+
+#include "xm-lynx.h"
diff --git a/gdb/config/m68k/xm-m68kv4.h b/gdb/config/m68k/xm-m68kv4.h
new file mode 100644
index 0000000..2149c8f
--- /dev/null
+++ b/gdb/config/m68k/xm-m68kv4.h
@@ -0,0 +1,28 @@
+/* Host definitions for GDB on a Motorola 680x0 running SVR4.
+   (Commodore Amiga with amix or Atari TT with ASV)
+   Copyright 1991, 1992 Free Software Foundation, Inc.
+   Written by Fred Fish at Cygnus Support (fnf@cygnus.com)
+
+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.  */
+
+/* Pick up most of what we need from the generic m68k host include file. */
+
+#include "m68k/xm-m68k.h"
+
+/* Pick up more stuff from the generic SVR4 host include file. */
+
+#include "xm-sysv4.h"
diff --git a/gdb/config/m68k/xm-mpw.h b/gdb/config/m68k/xm-mpw.h
new file mode 100644
index 0000000..f0585b3
--- /dev/null
+++ b/gdb/config/m68k/xm-mpw.h
@@ -0,0 +1,24 @@
+/* Macro definitions for running GDB on Apple 68k-based Macintoshes.
+   Copyright (C) 1994, 1995 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.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+/* Use angle brackets so that the common xm-mpw.h is found.  */
+
+#include <xm-mpw.h>
diff --git a/gdb/config/m68k/xm-nbsd.h b/gdb/config/m68k/xm-nbsd.h
new file mode 100644
index 0000000..aa28e19
--- /dev/null
+++ b/gdb/config/m68k/xm-nbsd.h
@@ -0,0 +1,21 @@
+/* Parameters for execution on a Motorola m68k running NetBSD, for GDB.
+   Copyright 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.  */
+
+/* Get generic NetBSD host definitions. */
+#include "xm-nbsd.h"
diff --git a/gdb/config/m68k/xm-news.h b/gdb/config/m68k/xm-news.h
new file mode 100644
index 0000000..081337b
--- /dev/null
+++ b/gdb/config/m68k/xm-news.h
@@ -0,0 +1,137 @@
+/* Parameters for execution on a Sony/NEWS, for GDB, the GNU debugger.
+   Copyright 1987, 1989, 1992 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.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+#include <sys/param.h>	/* For INT_MIN */
+
+#define HAVE_WAIT_STRUCT
+
+/* We can't use "isatty" or "fileno" on this machine.  This isn't good,
+   but it will have to do.  */
+#define ISATTY(FP)	((FP) == stdin || (FP) == stdout)
+
+/* THis is the amount to subtract from u.u_ar0
+   to get the offset in the core file of the register values. */
+
+#define KERNEL_U_ADDR UADDR
+
+/* The offsets in this macro are from /usr/include/machine/reg.h */
+
+#define REGISTER_U_ADDR(addr, blockend, regno)		\
+{   static char offsets[] = { \
+	/*d0-d7:*/1,2,3,4,5,6,7,8, \
+	/*a0-a6:*/9,10,11,12,13,14,15, /*sp:*/-4, /*ps:*/0, /*pc:*/-1, \
+	/*fp0-fp7:*/19,22,25,28,31,34,37,40, /*fpc:*/16,17,18 }; \
+	addr = blockend + 4 * offsets[regno]; \
+}
+
+/* NewsOS 3.3 does not define errno in <errno.h>.  */
+extern int errno;
+
+/* Interface definitions for kernel debugger KDB.  */
+
+/* Use GNU assembler instead of standard assembler */
+#define USE_GAS
+
+/* Motorola assembly format */
+#ifndef USE_GAS
+#define MOTOROLA
+#endif
+
+/* Map machine fault codes into signal numbers.
+   First subtract 0, divide by 4, then index in a table.
+   Faults for which the entry in this table is 0
+   are not handled by KDB; the program's own trap handler
+   gets to handle then.  */
+
+#define FAULT_CODE_ORIGIN 0
+#define FAULT_CODE_UNITS 4
+#define FAULT_TABLE    \
+{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
+  0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
+  0, 0, 0, 0, 0, 0, 0, 0, \
+  SIGILL }
+
+/* Start running with a stack stretching from BEG to END.
+   BEG and END should be symbols meaningful to the assembler.
+   This is used only for kdb.  */
+
+#ifdef MOTOROLA
+#define INIT_STACK(beg, end)  \
+{ asm (".globl end");         \
+  asm ("move.l $ end, sp");      \
+  asm ("clr.l fp"); }
+#else
+#define INIT_STACK(beg, end)  \
+{ asm (".globl end");         \
+  asm ("movel $ end, sp");      \
+  asm ("clrl fp"); }
+#endif
+
+/* Push the frame pointer register on the stack.  */
+#ifdef MOTOROLA
+#define PUSH_FRAME_PTR        \
+  asm ("move.l fp, -(sp)");
+#else
+#define PUSH_FRAME_PTR        \
+  asm ("movel fp, -(sp)");
+#endif
+
+/* Copy the top-of-stack to the frame pointer register.  */
+#ifdef MOTOROLA
+#define POP_FRAME_PTR  \
+  asm ("move.l (sp), fp");
+#else
+#define POP_FRAME_PTR  \
+  asm ("movl (sp), fp");
+#endif
+
+/* After KDB is entered by a fault, push all registers
+   that GDB thinks about (all NUM_REGS of them),
+   so that they appear in order of ascending GDB register number.
+   The fault code will be on the stack beyond the last register.  */
+
+#ifdef MOTOROLA
+#define PUSH_REGISTERS        \
+{ asm ("clr.w -(sp)");	      \
+  asm ("pea (10,sp)");	      \
+  asm ("movem $ 0xfffe,-(sp)"); }
+#else
+#define PUSH_REGISTERS        \
+{ asm ("clrw -(sp)");	      \
+  asm ("pea 10(sp)");	      \
+  asm ("movem $ 0xfffe,-(sp)"); }
+#endif
+
+/* Assuming the registers (including processor status) have been
+   pushed on the stack in order of ascending GDB register number,
+   restore them and return to the address in the saved PC register.  */
+
+#ifdef MOTOROLA
+#define POP_REGISTERS          \
+{ asm ("subi.l $8,28(sp)");     \
+  asm ("movem (sp),$ 0xffff"); \
+  asm ("rte"); }
+#else
+#define POP_REGISTERS          \
+{ asm ("subil $8,28(sp)");     \
+  asm ("movem (sp),$ 0xffff"); \
+  asm ("rte"); }
+#endif
diff --git a/gdb/config/m68k/xm-news1000.h b/gdb/config/m68k/xm-news1000.h
new file mode 100644
index 0000000..b70234c
--- /dev/null
+++ b/gdb/config/m68k/xm-news1000.h
@@ -0,0 +1,26 @@
+/* Parameters for a Sony/NEWS series 1000 with News-OS version 3,
+   for GDB, the GNU debugger.
+   Copyright (C) 1990 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.  */
+
+/* This is required by Sony include files like <sys/user.h> so we
+   get the right offset into the u area.  Relying on the compiler
+   to define this only works for cc, not gcc.  */
+#undef mc68030
+#define mc68030
+#include "m68k/xm-news.h"
diff --git a/gdb/config/m68k/xm-sun2.h b/gdb/config/m68k/xm-sun2.h
new file mode 100644
index 0000000..457451c
--- /dev/null
+++ b/gdb/config/m68k/xm-sun2.h
@@ -0,0 +1,78 @@
+/* Parameters for execution on a Sun, for GDB, the GNU debugger.
+   Copyright (C) 1986, 1987, 1989, 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.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+/* This is the amount to subtract from u.u_ar0
+   to get the offset in the core file of the register values.  */
+
+#define KERNEL_U_ADDR 0x2800
+
+
+/* Interface definitions for kernel debugger KDB.  */
+
+/* Map machine fault codes into signal numbers.
+   First subtract 0, divide by 4, then index in a table.
+   Faults for which the entry in this table is 0
+   are not handled by KDB; the program's own trap handler
+   gets to handle then.  */
+
+#define FAULT_CODE_ORIGIN 0
+#define FAULT_CODE_UNITS 4
+#define FAULT_TABLE    \
+{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
+  0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
+  0, 0, 0, 0, 0, 0, 0, 0, \
+  SIGILL }
+
+/* Start running with a stack stretching from BEG to END.
+   BEG and END should be symbols meaningful to the assembler.
+   This is used only for kdb.  */
+
+#define INIT_STACK(beg, end)  \
+{ asm (".globl end");         \
+  asm ("movel $ end, sp");      \
+  asm ("clrl fp"); }
+
+/* Push the frame pointer register on the stack.  */
+#define PUSH_FRAME_PTR        \
+  asm ("movel fp, -(sp)");
+
+/* Copy the top-of-stack to the frame pointer register.  */
+#define POP_FRAME_PTR  \
+  asm ("movl (sp), fp");
+
+/* After KDB is entered by a fault, push all registers
+   that GDB thinks about (all NUM_REGS of them),
+   so that they appear in order of ascending GDB register number.
+   The fault code will be on the stack beyond the last register.  */
+
+#define PUSH_REGISTERS        \
+{ asm ("clrw -(sp)");	      \
+  asm ("pea 10(sp)");	      \
+  asm ("movem $ 0xfffe,-(sp)"); }
+
+/* Assuming the registers (including processor status) have been
+   pushed on the stack in order of ascending GDB register number,
+   restore them and return to the address in the saved PC register.  */
+
+#define POP_REGISTERS          \
+{ asm ("subil $8,28(sp)");     \
+  asm ("movem (sp),$ 0xffff"); \
+  asm ("rte"); }
diff --git a/gdb/config/m68k/xm-sun3.h b/gdb/config/m68k/xm-sun3.h
new file mode 100644
index 0000000..3de7446
--- /dev/null
+++ b/gdb/config/m68k/xm-sun3.h
@@ -0,0 +1,73 @@
+/* Parameters for execution on a Sun, for GDB, the GNU debugger.
+   Copyright (C) 1986, 1987, 1989, 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.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+
+/* Interface definitions for kernel debugger KDB.  */
+
+/* Map machine fault codes into signal numbers.
+   First subtract 0, divide by 4, then index in a table.
+   Faults for which the entry in this table is 0
+   are not handled by KDB; the program's own trap handler
+   gets to handle then.  */
+
+#define FAULT_CODE_ORIGIN 0
+#define FAULT_CODE_UNITS 4
+#define FAULT_TABLE    \
+{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
+  0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
+  0, 0, 0, 0, 0, 0, 0, 0, \
+  SIGILL }
+
+/* Start running with a stack stretching from BEG to END.
+   BEG and END should be symbols meaningful to the assembler.
+   This is used only for kdb.  */
+
+#define INIT_STACK(beg, end)  \
+{ asm (".globl end");         \
+  asm ("movel #end, sp");      \
+  asm ("movel #0,a6"); }
+
+/* Push the frame pointer register on the stack.  */
+#define PUSH_FRAME_PTR        \
+  asm ("movel a6,sp@-");
+
+/* Copy the top-of-stack to the frame pointer register.  */
+#define POP_FRAME_PTR  \
+  asm ("movl sp@,a6");
+
+/* After KDB is entered by a fault, push all registers
+   that GDB thinks about (all NUM_REGS of them),
+   so that they appear in order of ascending GDB register number.
+   The fault code will be on the stack beyond the last register.  */
+
+#define PUSH_REGISTERS        \
+{ asm ("clrw -(sp)");	      \
+  asm ("pea sp@(10)");	      \
+  asm ("movem #0xfffe,sp@-"); }
+
+/* Assuming the registers (including processor status) have been
+   pushed on the stack in order of ascending GDB register number,
+   restore them and return to the address in the saved PC register.  */
+
+#define POP_REGISTERS          \
+{ asm ("subil #8,sp@(28)");     \
+  asm ("movem sp@,#0xffff"); \
+  asm ("rte"); }
diff --git a/gdb/config/m68k/xm-sun3os4.h b/gdb/config/m68k/xm-sun3os4.h
new file mode 100644
index 0000000..faf3b7d
--- /dev/null
+++ b/gdb/config/m68k/xm-sun3os4.h
@@ -0,0 +1,21 @@
+/* Macro definitions for a sun 3 running os 4.
+   Copyright (C) 1989, 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.  */
+
+#include "m68k/xm-sun3.h"
+#define FPU