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

	* NEWS: Mention that the "Sequent family" is obsolete.
	* configure.tgt: Obsolete i[3456]86-sequent-bsd*,
	i[3456]86-sequent-sysv4*, and i[3456]86-sequent-sysv*.
	* configure.host: Obsolete i[3456]86-sequent-bsd*,
	i[3456]86-sequent-sysv4*, and i[3456]86-sequent-sysv*.
	* config/i386/tm-ptx4.h: Obsolete file.
	* config/i386/tm-ptx.h: Obsolete file.
	* symm-tdep.c: Obsolete file.
	* config/i386/symmetry.mt: Obsolete file.
	* config/i386/tm-symmetry.h: Obsolete file.
	* symm-nat.c: Obsolete file.
	* config/i386/nm-symmetry.h: Obsolete file.
	* config/i386/xm-symmetry.h: Obsolete file.
	* config/i386/symmetry.mh: Obsolete file.
	* config/i386/nm-ptx4.h: Obsolete file.
	* config/i386/ptx4.mh: Obsolete file.
	* config/i386/ptx.mt: Obsolete file.
	* config/i386/ptx.mh: Obsolete file.
	* config/i386/xm-ptx4.h: Obsolete file.
	* config/i386/xm-ptx.h: Obsolete file.

1 files changed, 902 insertions, 902 deletions

diff --git a/gdb/symm-nat.c b/gdb/symm-nat.c
index 79caf5a..c4b2c9a 100644
--- a/gdb/symm-nat.c
+++ b/gdb/symm-nat.c
@@ -1,902 +1,902 @@
-/* Sequent Symmetry host interface, for GDB when running under Unix.
-
-   Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1999,
-   2000, 2001, 2003 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.  */
-
-/* FIXME, some 387-specific items of use taken from i387-tdep.c -- ought to be
-   merged back in. */
-
-#include "defs.h"
-#include "frame.h"
-#include "inferior.h"
-#include "symtab.h"
-#include "target.h"
-#include "regcache.h"
-
-/* FIXME: What is the _INKERNEL define for?  */
-#define _INKERNEL
-#include <signal.h>
-#undef _INKERNEL
-#include "gdb_wait.h"
-#include <sys/param.h>
-#include <sys/user.h>
-#include <sys/proc.h>
-#include <sys/dir.h>
-#include <sys/ioctl.h>
-#include "gdb_stat.h"
-#ifdef _SEQUENT_
-#include <sys/ptrace.h>
-#else
-/* Dynix has only machine/ptrace.h, which is already included by sys/user.h  */
-/* Dynix has no mptrace call */
-#define mptrace ptrace
-#endif
-#include "gdbcore.h"
-#include <fcntl.h>
-#include <sgtty.h>
-#define TERMINAL struct sgttyb
-
-#include "gdbcore.h"
-
-void
-store_inferior_registers (int regno)
-{
-  struct pt_regset regs;
-  int i;
-
-  /* FIXME: Fetching the registers is a kludge to initialize all elements
-     in the fpu and fpa status. This works for normal debugging, but
-     might cause problems when calling functions in the inferior.
-     At least fpu_control and fpa_pcr (probably more) should be added 
-     to the registers array to solve this properly.  */
-  mptrace (XPT_RREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & regs, 0);
-
-  regs.pr_eax = *(int *) &deprecated_registers[REGISTER_BYTE (0)];
-  regs.pr_ebx = *(int *) &deprecated_registers[REGISTER_BYTE (5)];
-  regs.pr_ecx = *(int *) &deprecated_registers[REGISTER_BYTE (2)];
-  regs.pr_edx = *(int *) &deprecated_registers[REGISTER_BYTE (1)];
-  regs.pr_esi = *(int *) &deprecated_registers[REGISTER_BYTE (6)];
-  regs.pr_edi = *(int *) &deprecated_registers[REGISTER_BYTE (7)];
-  regs.pr_esp = *(int *) &deprecated_registers[REGISTER_BYTE (14)];
-  regs.pr_ebp = *(int *) &deprecated_registers[REGISTER_BYTE (15)];
-  regs.pr_eip = *(int *) &deprecated_registers[REGISTER_BYTE (16)];
-  regs.pr_flags = *(int *) &deprecated_registers[REGISTER_BYTE (17)];
-  for (i = 0; i < 31; i++)
-    {
-      regs.pr_fpa.fpa_regs[i] =
-	*(int *) &deprecated_registers[REGISTER_BYTE (FP1_REGNUM + i)];
-    }
-  memcpy (regs.pr_fpu.fpu_stack[0], &deprecated_registers[REGISTER_BYTE (ST0_REGNUM)], 10);
-  memcpy (regs.pr_fpu.fpu_stack[1], &deprecated_registers[REGISTER_BYTE (ST1_REGNUM)], 10);
-  memcpy (regs.pr_fpu.fpu_stack[2], &deprecated_registers[REGISTER_BYTE (ST2_REGNUM)], 10);
-  memcpy (regs.pr_fpu.fpu_stack[3], &deprecated_registers[REGISTER_BYTE (ST3_REGNUM)], 10);
-  memcpy (regs.pr_fpu.fpu_stack[4], &deprecated_registers[REGISTER_BYTE (ST4_REGNUM)], 10);
-  memcpy (regs.pr_fpu.fpu_stack[5], &deprecated_registers[REGISTER_BYTE (ST5_REGNUM)], 10);
-  memcpy (regs.pr_fpu.fpu_stack[6], &deprecated_registers[REGISTER_BYTE (ST6_REGNUM)], 10);
-  memcpy (regs.pr_fpu.fpu_stack[7], &deprecated_registers[REGISTER_BYTE (ST7_REGNUM)], 10);
-  mptrace (XPT_WREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & regs, 0);
-}
-
-void
-fetch_inferior_registers (int regno)
-{
-  int i;
-  struct pt_regset regs;
-
-  deprecated_registers_fetched ();
-
-  mptrace (XPT_RREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & regs, 0);
-  *(int *) &deprecated_registers[REGISTER_BYTE (EAX_REGNUM)] = regs.pr_eax;
-  *(int *) &rdeprecated_egisters[REGISTER_BYTE (EBX_REGNUM)] = regs.pr_ebx;
-  *(int *) &deprecated_registers[REGISTER_BYTE (ECX_REGNUM)] = regs.pr_ecx;
-  *(int *) &deprecated_registers[REGISTER_BYTE (EDX_REGNUM)] = regs.pr_edx;
-  *(int *) &deprecated_registers[REGISTER_BYTE (ESI_REGNUM)] = regs.pr_esi;
-  *(int *) &deprecated_registers[REGISTER_BYTE (EDI_REGNUM)] = regs.pr_edi;
-  *(int *) &deprecated_registers[REGISTER_BYTE (EBP_REGNUM)] = regs.pr_ebp;
-  *(int *) &deprecated_registers[REGISTER_BYTE (ESP_REGNUM)] = regs.pr_esp;
-  *(int *) &deprecated_registers[REGISTER_BYTE (EIP_REGNUM)] = regs.pr_eip;
-  *(int *) &deprecated_registers[REGISTER_BYTE (EFLAGS_REGNUM)] = regs.pr_flags;
-  for (i = 0; i < FPA_NREGS; i++)
-    {
-      *(int *) &deprecated_registers[REGISTER_BYTE (FP1_REGNUM + i)] =
-	regs.pr_fpa.fpa_regs[i];
-    }
-  memcpy (&deprecated_registers[REGISTER_BYTE (ST0_REGNUM)], regs.pr_fpu.fpu_stack[0], 10);
-  memcpy (&deprecated_registers[REGISTER_BYTE (ST1_REGNUM)], regs.pr_fpu.fpu_stack[1], 10);
-  memcpy (&deprecated_registers[REGISTER_BYTE (ST2_REGNUM)], regs.pr_fpu.fpu_stack[2], 10);
-  memcpy (&deprecated_registers[REGISTER_BYTE (ST3_REGNUM)], regs.pr_fpu.fpu_stack[3], 10);
-  memcpy (&deprecated_registers[REGISTER_BYTE (ST4_REGNUM)], regs.pr_fpu.fpu_stack[4], 10);
-  memcpy (&deprecated_registers[REGISTER_BYTE (ST5_REGNUM)], regs.pr_fpu.fpu_stack[5], 10);
-  memcpy (&deprecated_registers[REGISTER_BYTE (ST6_REGNUM)], regs.pr_fpu.fpu_stack[6], 10);
-  memcpy (&deprecated_registers[REGISTER_BYTE (ST7_REGNUM)], regs.pr_fpu.fpu_stack[7], 10);
-}
-
-/* FIXME:  This should be merged with i387-tdep.c as well. */
-static
-print_fpu_status (struct pt_regset ep)
-{
-  int i;
-  int bothstatus;
-  int top;
-  int fpreg;
-  unsigned char *p;
-
-  printf_unfiltered ("80387:");
-  if (ep.pr_fpu.fpu_ip == 0)
-    {
-      printf_unfiltered (" not in use.\n");
-      return;
-    }
-  else
-    {
-      printf_unfiltered ("\n");
-    }
-  if (ep.pr_fpu.fpu_status != 0)
-    {
-      print_387_status_word (ep.pr_fpu.fpu_status);
-    }
-  print_387_control_word (ep.pr_fpu.fpu_control);
-  printf_unfiltered ("last exception: ");
-  printf_unfiltered ("opcode 0x%x; ", ep.pr_fpu.fpu_rsvd4);
-  printf_unfiltered ("pc 0x%x:0x%x; ", ep.pr_fpu.fpu_cs, ep.pr_fpu.fpu_ip);
-  printf_unfiltered ("operand 0x%x:0x%x\n", ep.pr_fpu.fpu_data_offset, ep.pr_fpu.fpu_op_sel);
-
-  top = (ep.pr_fpu.fpu_status >> 11) & 7;
-
-  printf_unfiltered ("regno  tag  msb              lsb  value\n");
-  for (fpreg = 7; fpreg >= 0; fpreg--)
-    {
-      double val;
-
-      printf_unfiltered ("%s %d: ", fpreg == top ? "=>" : "  ", fpreg);
-
-      switch ((ep.pr_fpu.fpu_tag >> (fpreg * 2)) & 3)
-	{
-	case 0:
-	  printf_unfiltered ("valid ");
-	  break;
-	case 1:
-	  printf_unfiltered ("zero  ");
-	  break;
-	case 2:
-	  printf_unfiltered ("trap  ");
-	  break;
-	case 3:
-	  printf_unfiltered ("empty ");
-	  break;
-	}
-      for (i = 9; i >= 0; i--)
-	printf_unfiltered ("%02x", ep.pr_fpu.fpu_stack[fpreg][i]);
-
-      i387_to_double ((char *) ep.pr_fpu.fpu_stack[fpreg], (char *) &val);
-      printf_unfiltered ("  %g\n", val);
-    }
-  if (ep.pr_fpu.fpu_rsvd1)
-    warning ("rsvd1 is 0x%x\n", ep.pr_fpu.fpu_rsvd1);
-  if (ep.pr_fpu.fpu_rsvd2)
-    warning ("rsvd2 is 0x%x\n", ep.pr_fpu.fpu_rsvd2);
-  if (ep.pr_fpu.fpu_rsvd3)
-    warning ("rsvd3 is 0x%x\n", ep.pr_fpu.fpu_rsvd3);
-  if (ep.pr_fpu.fpu_rsvd5)
-    warning ("rsvd5 is 0x%x\n", ep.pr_fpu.fpu_rsvd5);
-}
-
-
-print_1167_control_word (unsigned int pcr)
-{
-  int pcr_tmp;
-
-  pcr_tmp = pcr & FPA_PCR_MODE;
-  printf_unfiltered ("\tMODE= %#x; RND= %#x ", pcr_tmp, pcr_tmp & 12);
-  switch (pcr_tmp & 12)
-    {
-    case 0:
-      printf_unfiltered ("RN (Nearest Value)");
-      break;
-    case 1:
-      printf_unfiltered ("RZ (Zero)");
-      break;
-    case 2:
-      printf_unfiltered ("RP (Positive Infinity)");
-      break;
-    case 3:
-      printf_unfiltered ("RM (Negative Infinity)");
-      break;
-    }
-  printf_unfiltered ("; IRND= %d ", pcr_tmp & 2);
-  if (0 == pcr_tmp & 2)
-    {
-      printf_unfiltered ("(same as RND)\n");
-    }
-  else
-    {
-      printf_unfiltered ("(toward zero)\n");
-    }
-  pcr_tmp = pcr & FPA_PCR_EM;
-  printf_unfiltered ("\tEM= %#x", pcr_tmp);
-  if (pcr_tmp & FPA_PCR_EM_DM)
-    printf_unfiltered (" DM");
-  if (pcr_tmp & FPA_PCR_EM_UOM)
-    printf_unfiltered (" UOM");
-  if (pcr_tmp & FPA_PCR_EM_PM)
-    printf_unfiltered (" PM");
-  if (pcr_tmp & FPA_PCR_EM_UM)
-    printf_unfiltered (" UM");
-  if (pcr_tmp & FPA_PCR_EM_OM)
-    printf_unfiltered (" OM");
-  if (pcr_tmp & FPA_PCR_EM_ZM)
-    printf_unfiltered (" ZM");
-  if (pcr_tmp & FPA_PCR_EM_IM)
-    printf_unfiltered (" IM");
-  printf_unfiltered ("\n");
-  pcr_tmp = FPA_PCR_CC;
-  printf_unfiltered ("\tCC= %#x", pcr_tmp);
-  if (pcr_tmp & FPA_PCR_20MHZ)
-    printf_unfiltered (" 20MHZ");
-  if (pcr_tmp & FPA_PCR_CC_Z)
-    printf_unfiltered (" Z");
-  if (pcr_tmp & FPA_PCR_CC_C2)
-    printf_unfiltered (" C2");
-
-  /* Dynix defines FPA_PCR_CC_C0 to 0x100 and ptx defines
-     FPA_PCR_CC_C1 to 0x100.  Use whichever is defined and assume
-     the OS knows what it is doing.  */
-#ifdef FPA_PCR_CC_C1
-  if (pcr_tmp & FPA_PCR_CC_C1)
-    printf_unfiltered (" C1");
-#else
-  if (pcr_tmp & FPA_PCR_CC_C0)
-    printf_unfiltered (" C0");
-#endif
-
-  switch (pcr_tmp)
-    {
-    case FPA_PCR_CC_Z:
-      printf_unfiltered (" (Equal)");
-      break;
-#ifdef FPA_PCR_CC_C1
-    case FPA_PCR_CC_C1:
-#else
-    case FPA_PCR_CC_C0:
-#endif
-      printf_unfiltered (" (Less than)");
-      break;
-    case 0:
-      printf_unfiltered (" (Greater than)");
-      break;
-      case FPA_PCR_CC_Z |
-#ifdef FPA_PCR_CC_C1
-	FPA_PCR_CC_C1
-#else
-	FPA_PCR_CC_C0
-#endif
-    | FPA_PCR_CC_C2:
-      printf_unfiltered (" (Unordered)");
-      break;
-    default:
-      printf_unfiltered (" (Undefined)");
-      break;
-    }
-  printf_unfiltered ("\n");
-  pcr_tmp = pcr & FPA_PCR_AE;
-  printf_unfiltered ("\tAE= %#x", pcr_tmp);
-  if (pcr_tmp & FPA_PCR_AE_DE)
-    printf_unfiltered (" DE");
-  if (pcr_tmp & FPA_PCR_AE_UOE)
-    printf_unfiltered (" UOE");
-  if (pcr_tmp & FPA_PCR_AE_PE)
-    printf_unfiltered (" PE");
-  if (pcr_tmp & FPA_PCR_AE_UE)
-    printf_unfiltered (" UE");
-  if (pcr_tmp & FPA_PCR_AE_OE)
-    printf_unfiltered (" OE");
-  if (pcr_tmp & FPA_PCR_AE_ZE)
-    printf_unfiltered (" ZE");
-  if (pcr_tmp & FPA_PCR_AE_EE)
-    printf_unfiltered (" EE");
-  if (pcr_tmp & FPA_PCR_AE_IE)
-    printf_unfiltered (" IE");
-  printf_unfiltered ("\n");
-}
-
-print_1167_regs (long regs[FPA_NREGS])
-{
-  int i;
-
-  union
-    {
-      double d;
-      long l[2];
-    }
-  xd;
-  union
-    {
-      float f;
-      long l;
-    }
-  xf;
-
-
-  for (i = 0; i < FPA_NREGS; i++)
-    {
-      xf.l = regs[i];
-      printf_unfiltered ("%%fp%d: raw= %#x, single= %f", i + 1, regs[i], xf.f);
-      if (!(i & 1))
-	{
-	  printf_unfiltered ("\n");
-	}
-      else
-	{
-	  xd.l[1] = regs[i];
-	  xd.l[0] = regs[i + 1];
-	  printf_unfiltered (", double= %f\n", xd.d);
-	}
-    }
-}
-
-print_fpa_status (struct pt_regset ep)
-{
-
-  printf_unfiltered ("WTL 1167:");
-  if (ep.pr_fpa.fpa_pcr != 0)
-    {
-      printf_unfiltered ("\n");
-      print_1167_control_word (ep.pr_fpa.fpa_pcr);
-      print_1167_regs (ep.pr_fpa.fpa_regs);
-    }
-  else
-    {
-      printf_unfiltered (" not in use.\n");
-    }
-}
-
-#if 0				/* disabled because it doesn't go through the target vector.  */
-i386_float_info (void)
-{
-  char ubuf[UPAGES * NBPG];
-  struct pt_regset regset;
-
-  if (have_inferior_p ())
-    {
-      PTRACE_READ_REGS (PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & regset);
-    }
-  else
-    {
-      int corechan = bfd_cache_lookup (core_bfd);
-      if (lseek (corechan, 0, 0) < 0)
-	{
-	  perror ("seek on core file");
-	}
-      if (myread (corechan, ubuf, UPAGES * NBPG) < 0)
-	{
-	  perror ("read on core file");
-	}
-      /* only interested in the floating point registers */
-      regset.pr_fpu = ((struct user *) ubuf)->u_fpusave;
-      regset.pr_fpa = ((struct user *) ubuf)->u_fpasave;
-    }
-  print_fpu_status (regset);
-  print_fpa_status (regset);
-}
-#endif
-
-static volatile int got_sigchld;
-
-/*ARGSUSED */
-/* This will eventually be more interesting. */
-void
-sigchld_handler (int signo)
-{
-  got_sigchld++;
-}
-
-/*
- * Signals for which the default action does not cause the process
- * to die.  See <sys/signal.h> for where this came from (alas, we
- * can't use those macros directly)
- */
-#ifndef sigmask
-#define sigmask(s) (1 << ((s) - 1))
-#endif
-#define SIGNALS_DFL_SAFE sigmask(SIGSTOP) | sigmask(SIGTSTP) | \
-	sigmask(SIGTTIN) | sigmask(SIGTTOU) | sigmask(SIGCHLD) | \
-	sigmask(SIGCONT) | sigmask(SIGWINCH) | sigmask(SIGPWR) | \
-	sigmask(SIGURG) | sigmask(SIGPOLL)
-
-#ifdef ATTACH_DETACH
-/*
- * Thanks to XPT_MPDEBUGGER, we have to mange child_wait().
- */
-ptid_t
-child_wait (ptid_t ptid, struct target_waitstatus *status)
-{
-  int save_errno, rv, xvaloff, saoff, sa_hand;
-  struct pt_stop pt;
-  struct user u;
-  sigset_t set;
-  /* Host signal number for a signal which the inferior terminates with, or
-     0 if it hasn't terminated due to a signal.  */
-  static int death_by_signal = 0;
-#ifdef SVR4_SHARED_LIBS		/* use this to distinguish ptx 2 vs ptx 4 */
-  prstatus_t pstatus;
-#endif
-  int pid = PIDGET (ptid);
-
-  do
-    {
-      set_sigint_trap ();	/* Causes SIGINT to be passed on to the
-				   attached process. */
-      save_errno = errno;
-
-      got_sigchld = 0;
-
-      sigemptyset (&set);
-
-      while (got_sigchld == 0)
-	{
-	  sigsuspend (&set);
-	}
-
-      clear_sigint_trap ();
-
-      rv = mptrace (XPT_STOPSTAT, 0, (char *) &pt, 0);
-      if (-1 == rv)
-	{
-	  printf ("XPT_STOPSTAT: errno %d\n", errno);	/* DEBUG */
-	  continue;
-	}
-
-      pid = pt.ps_pid;
-
-      if (pid != PIDGET (inferior_ptid))
-	{
-	  /* NOTE: the mystery fork in csh/tcsh needs to be ignored.
-	   * We should not return new children for the initial run
-	   * of a process until it has done the exec.
-	   */
-	  /* inferior probably forked; send it on its way */
-	  rv = mptrace (XPT_UNDEBUG, pid, 0, 0);
-	  if (-1 == rv)
-	    {
-	      printf ("child_wait: XPT_UNDEBUG: pid %d: %s\n", pid,
-		      safe_strerror (errno));
-	    }
-	  continue;
-	}
-      /* FIXME: Do we deal with fork notification correctly?  */
-      switch (pt.ps_reason)
-	{
-	case PTS_FORK:
-	  /* multi proc: treat like PTS_EXEC */
-	  /*
-	   * Pretend this didn't happen, since gdb isn't set up
-	   * to deal with stops on fork.
-	   */
-	  rv = ptrace (PT_CONTSIG, pid, 1, 0);
-	  if (-1 == rv)
-	    {
-	      printf ("PTS_FORK: PT_CONTSIG: error %d\n", errno);
-	    }
-	  continue;
-	case PTS_EXEC:
-	  /*
-	   * Pretend this is a SIGTRAP.
-	   */
-	  status->kind = TARGET_WAITKIND_STOPPED;
-	  status->value.sig = TARGET_SIGNAL_TRAP;
-	  break;
-	case PTS_EXIT:
-	  /*
-	   * Note: we stop before the exit actually occurs.  Extract
-	   * the exit code from the uarea.  If we're stopped in the
-	   * exit() system call, the exit code will be in
-	   * u.u_ap[0].  An exit due to an uncaught signal will have
-	   * something else in here, see the comment in the default:
-	   * case, below.  Finally,let the process exit.
-	   */
-	  if (death_by_signal)
-	    {
-	      status->kind = TARGET_WAITKIND_SIGNALED;
-	      status->value.sig = target_signal_from_host (death_by_signal);
-	      death_by_signal = 0;
-	      break;
-	    }
-	  xvaloff = (unsigned long) &u.u_ap[0] - (unsigned long) &u;
-	  errno = 0;
-	  rv = ptrace (PT_RUSER, pid, (char *) xvaloff, 0);
-	  status->kind = TARGET_WAITKIND_EXITED;
-	  status->value.integer = rv;
-	  /*
-	   * addr & data to mptrace() don't matter here, since
-	   * the process is already dead.
-	   */
-	  rv = mptrace (XPT_UNDEBUG, pid, 0, 0);
-	  if (-1 == rv)
-	    {
-	      printf ("child_wait: PTS_EXIT: XPT_UNDEBUG: pid %d error %d\n", pid,
-		      errno);
-	    }
-	  break;
-	case PTS_WATCHPT_HIT:
-	  internal_error (__FILE__, __LINE__,
-			  "PTS_WATCHPT_HIT\n");
-	  break;
-	default:
-	  /* stopped by signal */
-	  status->kind = TARGET_WAITKIND_STOPPED;
-	  status->value.sig = target_signal_from_host (pt.ps_reason);
-	  death_by_signal = 0;
-
-	  if (0 == (SIGNALS_DFL_SAFE & sigmask (pt.ps_reason)))
-	    {
-	      break;
-	    }
-	  /* else default action of signal is to die */
-#ifdef SVR4_SHARED_LIBS
-	  rv = ptrace (PT_GET_PRSTATUS, pid, (char *) &pstatus, 0);
-	  if (-1 == rv)
-	    error ("child_wait: signal %d PT_GET_PRSTATUS: %s\n",
-		   pt.ps_reason, safe_strerror (errno));
-	  if (pstatus.pr_cursig != pt.ps_reason)
-	    {
-	      printf ("pstatus signal %d, pt signal %d\n",
-		      pstatus.pr_cursig, pt.ps_reason);
-	    }
-	  sa_hand = (int) pstatus.pr_action.sa_handler;
-#else
-	  saoff = (unsigned long) &u.u_sa[0] - (unsigned long) &u;
-	  saoff += sizeof (struct sigaction) * (pt.ps_reason - 1);
-	  errno = 0;
-	  sa_hand = ptrace (PT_RUSER, pid, (char *) saoff, 0);
-	  if (errno)
-	    error ("child_wait: signal %d: RUSER: %s\n",
-		   pt.ps_reason, safe_strerror (errno));
-#endif
-	  if ((int) SIG_DFL == sa_hand)
-	    {
-	      /* we will be dying */
-	      death_by_signal = pt.ps_reason;
-	    }
-	  break;
-	}
-
-    }
-  while (pid != PIDGET (inferior_ptid));	/* Some other child died or stopped */
-
-  return pid_to_ptid (pid);
-}
-#else /* !ATTACH_DETACH */
-/*
- * Simple child_wait() based on inftarg.c child_wait() for use until
- * the MPDEBUGGER child_wait() works properly.  This will go away when
- * that is fixed.
- */
-ptid_t
-child_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
-{
-  int save_errno;
-  int status;
-  int pid = PIDGET (ptid);
-
-  do
-    {
-      pid = wait (&status);
-      save_errno = errno;
-
-      if (pid == -1)
-	{
-	  if (save_errno == EINTR)
-	    continue;
-	  fprintf (stderr, "Child process unexpectedly missing: %s.\n",
-		   safe_strerror (save_errno));
-	  ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
-	  ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
-	  return pid_to_ptid (-1);
-	}
-    }
-  while (pid != PIDGET (inferior_ptid));	/* Some other child died or stopped */
-  store_waitstatus (ourstatus, status);
-  return pid_to_ptid (pid);
-}
-#endif /* ATTACH_DETACH */
-
-
-
-/* This function simply calls ptrace with the given arguments.  
-   It exists so that all calls to ptrace are isolated in this 
-   machine-dependent file. */
-int
-call_ptrace (int request, int pid, PTRACE_ARG3_TYPE addr, int data)
-{
-  return ptrace (request, pid, addr, data);
-}
-
-int
-call_mptrace (int request, int pid, PTRACE_ARG3_TYPE addr, int data)
-{
-  return mptrace (request, pid, addr, data);
-}
-
-#if defined (DEBUG_PTRACE)
-/* For the rest of the file, use an extra level of indirection */
-/* This lets us breakpoint usefully on call_ptrace. */
-#define ptrace call_ptrace
-#define mptrace call_mptrace
-#endif
-
-void
-kill_inferior (void)
-{
-  if (ptid_equal (inferior_ptid, null_ptid))
-    return;
-
-  /* For MPDEBUGGER, don't use PT_KILL, since the child will stop
-     again with a PTS_EXIT.  Just hit him with SIGKILL (so he stops)
-     and detach. */
-
-  kill (PIDGET (inferior_ptid), SIGKILL);
-#ifdef ATTACH_DETACH
-  detach (SIGKILL);
-#else /* ATTACH_DETACH */
-  ptrace (PT_KILL, PIDGET (inferior_ptid), 0, 0);
-  wait ((int *) NULL);
-#endif /* ATTACH_DETACH */
-  target_mourn_inferior ();
-}
-
-/* Resume execution of the inferior process.
-   If STEP is nonzero, single-step it.
-   If SIGNAL is nonzero, give it that signal.  */
-
-void
-child_resume (ptid_t ptid, int step, enum target_signal signal)
-{
-  int pid = PIDGET (ptid);
-
-  errno = 0;
-
-  if (pid == -1)
-    pid = PIDGET (inferior_ptid);
-
-  /* An address of (PTRACE_ARG3_TYPE)1 tells ptrace to continue from where
-     it was.  (If GDB wanted it to start some other way, we have already
-     written a new PC value to the child.)
-
-     If this system does not support PT_SSTEP, a higher level function will
-     have called single_step() to transmute the step request into a
-     continue request (by setting breakpoints on all possible successor
-     instructions), so we don't have to worry about that here.  */
-
-  if (step)
-    ptrace (PT_SSTEP, pid, (PTRACE_ARG3_TYPE) 1, signal);
-  else
-    ptrace (PT_CONTSIG, pid, (PTRACE_ARG3_TYPE) 1, signal);
-
-  if (errno)
-    perror_with_name ("ptrace");
-}
-
-#ifdef ATTACH_DETACH
-/* Start debugging the process whose number is PID.  */
-int
-attach (int pid)
-{
-  sigset_t set;
-  int rv;
-
-  rv = mptrace (XPT_DEBUG, pid, 0, 0);
-  if (-1 == rv)
-    {
-      error ("mptrace(XPT_DEBUG): %s", safe_strerror (errno));
-    }
-  rv = mptrace (XPT_SIGNAL, pid, 0, SIGSTOP);
-  if (-1 == rv)
-    {
-      error ("mptrace(XPT_SIGNAL): %s", safe_strerror (errno));
-    }
-  attach_flag = 1;
-  return pid;
-}
-
-void
-detach (int signo)
-{
-  int rv;
-
-  rv = mptrace (XPT_UNDEBUG, PIDGET (inferior_ptid), 1, signo);
-  if (-1 == rv)
-    {
-      error ("mptrace(XPT_UNDEBUG): %s", safe_strerror (errno));
-    }
-  attach_flag = 0;
-}
-
-#endif /* ATTACH_DETACH */
-
-/* Default the type of the ptrace transfer to int.  */
-#ifndef PTRACE_XFER_TYPE
-#define PTRACE_XFER_TYPE int
-#endif
-
-
-/* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory
-   in the NEW_SUN_PTRACE case.
-   It ought to be straightforward.  But it appears that writing did
-   not write the data that I specified.  I cannot understand where
-   it got the data that it actually did write.  */
-
-/* Copy LEN bytes to or from inferior's memory starting at MEMADDR
-   to debugger memory starting at MYADDR.   Copy to inferior if
-   WRITE is nonzero.  TARGET is ignored.
-
-   Returns the length copied, which is either the LEN argument or zero.
-   This xfer function does not do partial moves, since child_ops
-   doesn't allow memory operations to cross below us in the target stack
-   anyway.  */
-
-int
-child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
-		   struct mem_attrib *attrib,
-		   struct target_ops *target)
-{
-  register int i;
-  /* Round starting address down to longword boundary.  */
-  register CORE_ADDR addr = memaddr & -(CORE_ADDR) sizeof (PTRACE_XFER_TYPE);
-  /* Round ending address up; get number of longwords that makes.  */
-  register int count
-  = (((memaddr + len) - addr) + sizeof (PTRACE_XFER_TYPE) - 1)
-  / sizeof (PTRACE_XFER_TYPE);
-  /* Allocate buffer of that many longwords.  */
-  /* FIXME (alloca): This code, cloned from infptrace.c, is unsafe
-     because it uses alloca to allocate a buffer of arbitrary size.
-     For very large xfers, this could crash GDB's stack.  */
-  register PTRACE_XFER_TYPE *buffer
-    = (PTRACE_XFER_TYPE *) alloca (count * sizeof (PTRACE_XFER_TYPE));
-
-  if (write)
-    {
-      /* Fill start and end extra bytes of buffer with existing memory data.  */
-
-      if (addr != memaddr || len < (int) sizeof (PTRACE_XFER_TYPE))
-	{
-	  /* Need part of initial word -- fetch it.  */
-	  buffer[0] = ptrace (PT_RTEXT, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) addr,
-			      0);
-	}
-
-      if (count > 1)		/* FIXME, avoid if even boundary */
-	{
-	  buffer[count - 1]
-	    = ptrace (PT_RTEXT, PIDGET (inferior_ptid),
-		      ((PTRACE_ARG3_TYPE)
-		       (addr + (count - 1) * sizeof (PTRACE_XFER_TYPE))),
-		      0);
-	}
-
-      /* Copy data to be written over corresponding part of buffer */
-
-      memcpy ((char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)),
-	      myaddr,
-	      len);
-
-      /* Write the entire buffer.  */
-
-      for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
-	{
-	  errno = 0;
-	  ptrace (PT_WDATA, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) addr,
-		  buffer[i]);
-	  if (errno)
-	    {
-	      /* Using the appropriate one (I or D) is necessary for
-	         Gould NP1, at least.  */
-	      errno = 0;
-	      ptrace (PT_WTEXT, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) addr,
-		      buffer[i]);
-	    }
-	  if (errno)
-	    return 0;
-	}
-    }
-  else
-    {
-      /* Read all the longwords */
-      for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
-	{
-	  errno = 0;
-	  buffer[i] = ptrace (PT_RTEXT, PIDGET (inferior_ptid),
-			      (PTRACE_ARG3_TYPE) addr, 0);
-	  if (errno)
-	    return 0;
-	  QUIT;
-	}
-
-      /* Copy appropriate bytes out of the buffer.  */
-      memcpy (myaddr,
-	      (char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)),
-	      len);
-    }
-  return len;
-}
-
-
-void
-_initialize_symm_nat (void)
-{
-#ifdef ATTACH_DETACH
-/*
- * the MPDEBUGGER is necessary for process tree debugging and attach
- * to work, but it alters the behavior of debugged processes, so other
- * things (at least child_wait()) will have to change to accomodate
- * that.
- *
- * Note that attach is not implemented in dynix 3, and not in ptx
- * until version 2.1 of the OS.
- */
-  int rv;
-  sigset_t set;
-  struct sigaction sact;
-
-  rv = mptrace (XPT_MPDEBUGGER, 0, 0, 0);
-  if (-1 == rv)
-    {
-      internal_error (__FILE__, __LINE__,
-		      "_initialize_symm_nat(): mptrace(XPT_MPDEBUGGER): %s",
-		      safe_strerror (errno));
-    }
-
-  /*
-   * Under MPDEBUGGER, we get SIGCLHD when a traced process does
-   * anything of interest.
-   */
-
-  /*
-   * Block SIGCHLD.  We leave it blocked all the time, and then
-   * call sigsuspend() in child_wait() to wait for the child
-   * to do something.  None of these ought to fail, but check anyway.
-   */
-  sigemptyset (&set);
-  rv = sigaddset (&set, SIGCHLD);
-  if (-1 == rv)
-    {
-      internal_error (__FILE__, __LINE__,
-		      "_initialize_symm_nat(): sigaddset(SIGCHLD): %s",
-		      safe_strerror (errno));
-    }
-  rv = sigprocmask (SIG_BLOCK, &set, (sigset_t *) NULL);
-  if (-1 == rv)
-    {
-      internal_error (__FILE__, __LINE__,
-		      "_initialize_symm_nat(): sigprocmask(SIG_BLOCK): %s",
-		      safe_strerror (errno));
-    }
-
-  sact.sa_handler = sigchld_handler;
-  sigemptyset (&sact.sa_mask);
-  sact.sa_flags = SA_NOCLDWAIT;	/* keep the zombies away */
-  rv = sigaction (SIGCHLD, &sact, (struct sigaction *) NULL);
-  if (-1 == rv)
-    {
-      internal_error (__FILE__, __LINE__,
-		      "_initialize_symm_nat(): sigaction(SIGCHLD): %s",
-		      safe_strerror (errno));
-    }
-#endif
-}
+// OBSOLETE /* Sequent Symmetry host interface, for GDB when running under Unix.
+// OBSOLETE 
+// OBSOLETE    Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1999,
+// OBSOLETE    2000, 2001, 2003 Free Software Foundation, Inc.
+// OBSOLETE 
+// OBSOLETE    This file is part of GDB.
+// OBSOLETE 
+// OBSOLETE    This program is free software; you can redistribute it and/or modify
+// OBSOLETE    it under the terms of the GNU General Public License as published by
+// OBSOLETE    the Free Software Foundation; either version 2 of the License, or
+// OBSOLETE    (at your option) any later version.
+// OBSOLETE 
+// OBSOLETE    This program is distributed in the hope that it will be useful,
+// OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of
+// OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// OBSOLETE    GNU General Public License for more details.
+// OBSOLETE 
+// OBSOLETE    You should have received a copy of the GNU General Public License
+// OBSOLETE    along with this program; if not, write to the Free Software
+// OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,
+// OBSOLETE    Boston, MA 02111-1307, USA.  */
+// OBSOLETE 
+// OBSOLETE /* FIXME, some 387-specific items of use taken from i387-tdep.c -- ought to be
+// OBSOLETE    merged back in. */
+// OBSOLETE 
+// OBSOLETE #include "defs.h"
+// OBSOLETE #include "frame.h"
+// OBSOLETE #include "inferior.h"
+// OBSOLETE #include "symtab.h"
+// OBSOLETE #include "target.h"
+// OBSOLETE #include "regcache.h"
+// OBSOLETE 
+// OBSOLETE /* FIXME: What is the _INKERNEL define for?  */
+// OBSOLETE #define _INKERNEL
+// OBSOLETE #include <signal.h>
+// OBSOLETE #undef _INKERNEL
+// OBSOLETE #include "gdb_wait.h"
+// OBSOLETE #include <sys/param.h>
+// OBSOLETE #include <sys/user.h>
+// OBSOLETE #include <sys/proc.h>
+// OBSOLETE #include <sys/dir.h>
+// OBSOLETE #include <sys/ioctl.h>
+// OBSOLETE #include "gdb_stat.h"
+// OBSOLETE #ifdef _SEQUENT_
+// OBSOLETE #include <sys/ptrace.h>
+// OBSOLETE #else
+// OBSOLETE /* Dynix has only machine/ptrace.h, which is already included by sys/user.h  */
+// OBSOLETE /* Dynix has no mptrace call */
+// OBSOLETE #define mptrace ptrace
+// OBSOLETE #endif
+// OBSOLETE #include "gdbcore.h"
+// OBSOLETE #include <fcntl.h>
+// OBSOLETE #include <sgtty.h>
+// OBSOLETE #define TERMINAL struct sgttyb
+// OBSOLETE 
+// OBSOLETE #include "gdbcore.h"
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE store_inferior_registers (int regno)
+// OBSOLETE {
+// OBSOLETE   struct pt_regset regs;
+// OBSOLETE   int i;
+// OBSOLETE 
+// OBSOLETE   /* FIXME: Fetching the registers is a kludge to initialize all elements
+// OBSOLETE      in the fpu and fpa status. This works for normal debugging, but
+// OBSOLETE      might cause problems when calling functions in the inferior.
+// OBSOLETE      At least fpu_control and fpa_pcr (probably more) should be added 
+// OBSOLETE      to the registers array to solve this properly.  */
+// OBSOLETE   mptrace (XPT_RREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & regs, 0);
+// OBSOLETE 
+// OBSOLETE   regs.pr_eax = *(int *) &deprecated_registers[REGISTER_BYTE (0)];
+// OBSOLETE   regs.pr_ebx = *(int *) &deprecated_registers[REGISTER_BYTE (5)];
+// OBSOLETE   regs.pr_ecx = *(int *) &deprecated_registers[REGISTER_BYTE (2)];
+// OBSOLETE   regs.pr_edx = *(int *) &deprecated_registers[REGISTER_BYTE (1)];
+// OBSOLETE   regs.pr_esi = *(int *) &deprecated_registers[REGISTER_BYTE (6)];
+// OBSOLETE   regs.pr_edi = *(int *) &deprecated_registers[REGISTER_BYTE (7)];
+// OBSOLETE   regs.pr_esp = *(int *) &deprecated_registers[REGISTER_BYTE (14)];
+// OBSOLETE   regs.pr_ebp = *(int *) &deprecated_registers[REGISTER_BYTE (15)];
+// OBSOLETE   regs.pr_eip = *(int *) &deprecated_registers[REGISTER_BYTE (16)];
+// OBSOLETE   regs.pr_flags = *(int *) &deprecated_registers[REGISTER_BYTE (17)];
+// OBSOLETE   for (i = 0; i < 31; i++)
+// OBSOLETE     {
+// OBSOLETE       regs.pr_fpa.fpa_regs[i] =
+// OBSOLETE 	*(int *) &deprecated_registers[REGISTER_BYTE (FP1_REGNUM + i)];
+// OBSOLETE     }
+// OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[0], &deprecated_registers[REGISTER_BYTE (ST0_REGNUM)], 10);
+// OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[1], &deprecated_registers[REGISTER_BYTE (ST1_REGNUM)], 10);
+// OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[2], &deprecated_registers[REGISTER_BYTE (ST2_REGNUM)], 10);
+// OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[3], &deprecated_registers[REGISTER_BYTE (ST3_REGNUM)], 10);
+// OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[4], &deprecated_registers[REGISTER_BYTE (ST4_REGNUM)], 10);
+// OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[5], &deprecated_registers[REGISTER_BYTE (ST5_REGNUM)], 10);
+// OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[6], &deprecated_registers[REGISTER_BYTE (ST6_REGNUM)], 10);
+// OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[7], &deprecated_registers[REGISTER_BYTE (ST7_REGNUM)], 10);
+// OBSOLETE   mptrace (XPT_WREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & regs, 0);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE fetch_inferior_registers (int regno)
+// OBSOLETE {
+// OBSOLETE   int i;
+// OBSOLETE   struct pt_regset regs;
+// OBSOLETE 
+// OBSOLETE   deprecated_registers_fetched ();
+// OBSOLETE 
+// OBSOLETE   mptrace (XPT_RREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & regs, 0);
+// OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (EAX_REGNUM)] = regs.pr_eax;
+// OBSOLETE   *(int *) &rdeprecated_egisters[REGISTER_BYTE (EBX_REGNUM)] = regs.pr_ebx;
+// OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (ECX_REGNUM)] = regs.pr_ecx;
+// OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (EDX_REGNUM)] = regs.pr_edx;
+// OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (ESI_REGNUM)] = regs.pr_esi;
+// OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (EDI_REGNUM)] = regs.pr_edi;
+// OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (EBP_REGNUM)] = regs.pr_ebp;
+// OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (ESP_REGNUM)] = regs.pr_esp;
+// OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (EIP_REGNUM)] = regs.pr_eip;
+// OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (EFLAGS_REGNUM)] = regs.pr_flags;
+// OBSOLETE   for (i = 0; i < FPA_NREGS; i++)
+// OBSOLETE     {
+// OBSOLETE       *(int *) &deprecated_registers[REGISTER_BYTE (FP1_REGNUM + i)] =
+// OBSOLETE 	regs.pr_fpa.fpa_regs[i];
+// OBSOLETE     }
+// OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST0_REGNUM)], regs.pr_fpu.fpu_stack[0], 10);
+// OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST1_REGNUM)], regs.pr_fpu.fpu_stack[1], 10);
+// OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST2_REGNUM)], regs.pr_fpu.fpu_stack[2], 10);
+// OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST3_REGNUM)], regs.pr_fpu.fpu_stack[3], 10);
+// OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST4_REGNUM)], regs.pr_fpu.fpu_stack[4], 10);
+// OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST5_REGNUM)], regs.pr_fpu.fpu_stack[5], 10);
+// OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST6_REGNUM)], regs.pr_fpu.fpu_stack[6], 10);
+// OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST7_REGNUM)], regs.pr_fpu.fpu_stack[7], 10);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* FIXME:  This should be merged with i387-tdep.c as well. */
+// OBSOLETE static
+// OBSOLETE print_fpu_status (struct pt_regset ep)
+// OBSOLETE {
+// OBSOLETE   int i;
+// OBSOLETE   int bothstatus;
+// OBSOLETE   int top;
+// OBSOLETE   int fpreg;
+// OBSOLETE   unsigned char *p;
+// OBSOLETE 
+// OBSOLETE   printf_unfiltered ("80387:");
+// OBSOLETE   if (ep.pr_fpu.fpu_ip == 0)
+// OBSOLETE     {
+// OBSOLETE       printf_unfiltered (" not in use.\n");
+// OBSOLETE       return;
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       printf_unfiltered ("\n");
+// OBSOLETE     }
+// OBSOLETE   if (ep.pr_fpu.fpu_status != 0)
+// OBSOLETE     {
+// OBSOLETE       print_387_status_word (ep.pr_fpu.fpu_status);
+// OBSOLETE     }
+// OBSOLETE   print_387_control_word (ep.pr_fpu.fpu_control);
+// OBSOLETE   printf_unfiltered ("last exception: ");
+// OBSOLETE   printf_unfiltered ("opcode 0x%x; ", ep.pr_fpu.fpu_rsvd4);
+// OBSOLETE   printf_unfiltered ("pc 0x%x:0x%x; ", ep.pr_fpu.fpu_cs, ep.pr_fpu.fpu_ip);
+// OBSOLETE   printf_unfiltered ("operand 0x%x:0x%x\n", ep.pr_fpu.fpu_data_offset, ep.pr_fpu.fpu_op_sel);
+// OBSOLETE 
+// OBSOLETE   top = (ep.pr_fpu.fpu_status >> 11) & 7;
+// OBSOLETE 
+// OBSOLETE   printf_unfiltered ("regno  tag  msb              lsb  value\n");
+// OBSOLETE   for (fpreg = 7; fpreg >= 0; fpreg--)
+// OBSOLETE     {
+// OBSOLETE       double val;
+// OBSOLETE 
+// OBSOLETE       printf_unfiltered ("%s %d: ", fpreg == top ? "=>" : "  ", fpreg);
+// OBSOLETE 
+// OBSOLETE       switch ((ep.pr_fpu.fpu_tag >> (fpreg * 2)) & 3)
+// OBSOLETE 	{
+// OBSOLETE 	case 0:
+// OBSOLETE 	  printf_unfiltered ("valid ");
+// OBSOLETE 	  break;
+// OBSOLETE 	case 1:
+// OBSOLETE 	  printf_unfiltered ("zero  ");
+// OBSOLETE 	  break;
+// OBSOLETE 	case 2:
+// OBSOLETE 	  printf_unfiltered ("trap  ");
+// OBSOLETE 	  break;
+// OBSOLETE 	case 3:
+// OBSOLETE 	  printf_unfiltered ("empty ");
+// OBSOLETE 	  break;
+// OBSOLETE 	}
+// OBSOLETE       for (i = 9; i >= 0; i--)
+// OBSOLETE 	printf_unfiltered ("%02x", ep.pr_fpu.fpu_stack[fpreg][i]);
+// OBSOLETE 
+// OBSOLETE       i387_to_double ((char *) ep.pr_fpu.fpu_stack[fpreg], (char *) &val);
+// OBSOLETE       printf_unfiltered ("  %g\n", val);
+// OBSOLETE     }
+// OBSOLETE   if (ep.pr_fpu.fpu_rsvd1)
+// OBSOLETE     warning ("rsvd1 is 0x%x\n", ep.pr_fpu.fpu_rsvd1);
+// OBSOLETE   if (ep.pr_fpu.fpu_rsvd2)
+// OBSOLETE     warning ("rsvd2 is 0x%x\n", ep.pr_fpu.fpu_rsvd2);
+// OBSOLETE   if (ep.pr_fpu.fpu_rsvd3)
+// OBSOLETE     warning ("rsvd3 is 0x%x\n", ep.pr_fpu.fpu_rsvd3);
+// OBSOLETE   if (ep.pr_fpu.fpu_rsvd5)
+// OBSOLETE     warning ("rsvd5 is 0x%x\n", ep.pr_fpu.fpu_rsvd5);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE print_1167_control_word (unsigned int pcr)
+// OBSOLETE {
+// OBSOLETE   int pcr_tmp;
+// OBSOLETE 
+// OBSOLETE   pcr_tmp = pcr & FPA_PCR_MODE;
+// OBSOLETE   printf_unfiltered ("\tMODE= %#x; RND= %#x ", pcr_tmp, pcr_tmp & 12);
+// OBSOLETE   switch (pcr_tmp & 12)
+// OBSOLETE     {
+// OBSOLETE     case 0:
+// OBSOLETE       printf_unfiltered ("RN (Nearest Value)");
+// OBSOLETE       break;
+// OBSOLETE     case 1:
+// OBSOLETE       printf_unfiltered ("RZ (Zero)");
+// OBSOLETE       break;
+// OBSOLETE     case 2:
+// OBSOLETE       printf_unfiltered ("RP (Positive Infinity)");
+// OBSOLETE       break;
+// OBSOLETE     case 3:
+// OBSOLETE       printf_unfiltered ("RM (Negative Infinity)");
+// OBSOLETE       break;
+// OBSOLETE     }
+// OBSOLETE   printf_unfiltered ("; IRND= %d ", pcr_tmp & 2);
+// OBSOLETE   if (0 == pcr_tmp & 2)
+// OBSOLETE     {
+// OBSOLETE       printf_unfiltered ("(same as RND)\n");
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       printf_unfiltered ("(toward zero)\n");
+// OBSOLETE     }
+// OBSOLETE   pcr_tmp = pcr & FPA_PCR_EM;
+// OBSOLETE   printf_unfiltered ("\tEM= %#x", pcr_tmp);
+// OBSOLETE   if (pcr_tmp & FPA_PCR_EM_DM)
+// OBSOLETE     printf_unfiltered (" DM");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_EM_UOM)
+// OBSOLETE     printf_unfiltered (" UOM");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_EM_PM)
+// OBSOLETE     printf_unfiltered (" PM");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_EM_UM)
+// OBSOLETE     printf_unfiltered (" UM");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_EM_OM)
+// OBSOLETE     printf_unfiltered (" OM");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_EM_ZM)
+// OBSOLETE     printf_unfiltered (" ZM");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_EM_IM)
+// OBSOLETE     printf_unfiltered (" IM");
+// OBSOLETE   printf_unfiltered ("\n");
+// OBSOLETE   pcr_tmp = FPA_PCR_CC;
+// OBSOLETE   printf_unfiltered ("\tCC= %#x", pcr_tmp);
+// OBSOLETE   if (pcr_tmp & FPA_PCR_20MHZ)
+// OBSOLETE     printf_unfiltered (" 20MHZ");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_CC_Z)
+// OBSOLETE     printf_unfiltered (" Z");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_CC_C2)
+// OBSOLETE     printf_unfiltered (" C2");
+// OBSOLETE 
+// OBSOLETE   /* Dynix defines FPA_PCR_CC_C0 to 0x100 and ptx defines
+// OBSOLETE      FPA_PCR_CC_C1 to 0x100.  Use whichever is defined and assume
+// OBSOLETE      the OS knows what it is doing.  */
+// OBSOLETE #ifdef FPA_PCR_CC_C1
+// OBSOLETE   if (pcr_tmp & FPA_PCR_CC_C1)
+// OBSOLETE     printf_unfiltered (" C1");
+// OBSOLETE #else
+// OBSOLETE   if (pcr_tmp & FPA_PCR_CC_C0)
+// OBSOLETE     printf_unfiltered (" C0");
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE   switch (pcr_tmp)
+// OBSOLETE     {
+// OBSOLETE     case FPA_PCR_CC_Z:
+// OBSOLETE       printf_unfiltered (" (Equal)");
+// OBSOLETE       break;
+// OBSOLETE #ifdef FPA_PCR_CC_C1
+// OBSOLETE     case FPA_PCR_CC_C1:
+// OBSOLETE #else
+// OBSOLETE     case FPA_PCR_CC_C0:
+// OBSOLETE #endif
+// OBSOLETE       printf_unfiltered (" (Less than)");
+// OBSOLETE       break;
+// OBSOLETE     case 0:
+// OBSOLETE       printf_unfiltered (" (Greater than)");
+// OBSOLETE       break;
+// OBSOLETE       case FPA_PCR_CC_Z |
+// OBSOLETE #ifdef FPA_PCR_CC_C1
+// OBSOLETE 	FPA_PCR_CC_C1
+// OBSOLETE #else
+// OBSOLETE 	FPA_PCR_CC_C0
+// OBSOLETE #endif
+// OBSOLETE     | FPA_PCR_CC_C2:
+// OBSOLETE       printf_unfiltered (" (Unordered)");
+// OBSOLETE       break;
+// OBSOLETE     default:
+// OBSOLETE       printf_unfiltered (" (Undefined)");
+// OBSOLETE       break;
+// OBSOLETE     }
+// OBSOLETE   printf_unfiltered ("\n");
+// OBSOLETE   pcr_tmp = pcr & FPA_PCR_AE;
+// OBSOLETE   printf_unfiltered ("\tAE= %#x", pcr_tmp);
+// OBSOLETE   if (pcr_tmp & FPA_PCR_AE_DE)
+// OBSOLETE     printf_unfiltered (" DE");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_AE_UOE)
+// OBSOLETE     printf_unfiltered (" UOE");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_AE_PE)
+// OBSOLETE     printf_unfiltered (" PE");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_AE_UE)
+// OBSOLETE     printf_unfiltered (" UE");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_AE_OE)
+// OBSOLETE     printf_unfiltered (" OE");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_AE_ZE)
+// OBSOLETE     printf_unfiltered (" ZE");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_AE_EE)
+// OBSOLETE     printf_unfiltered (" EE");
+// OBSOLETE   if (pcr_tmp & FPA_PCR_AE_IE)
+// OBSOLETE     printf_unfiltered (" IE");
+// OBSOLETE   printf_unfiltered ("\n");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE print_1167_regs (long regs[FPA_NREGS])
+// OBSOLETE {
+// OBSOLETE   int i;
+// OBSOLETE 
+// OBSOLETE   union
+// OBSOLETE     {
+// OBSOLETE       double d;
+// OBSOLETE       long l[2];
+// OBSOLETE     }
+// OBSOLETE   xd;
+// OBSOLETE   union
+// OBSOLETE     {
+// OBSOLETE       float f;
+// OBSOLETE       long l;
+// OBSOLETE     }
+// OBSOLETE   xf;
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE   for (i = 0; i < FPA_NREGS; i++)
+// OBSOLETE     {
+// OBSOLETE       xf.l = regs[i];
+// OBSOLETE       printf_unfiltered ("%%fp%d: raw= %#x, single= %f", i + 1, regs[i], xf.f);
+// OBSOLETE       if (!(i & 1))
+// OBSOLETE 	{
+// OBSOLETE 	  printf_unfiltered ("\n");
+// OBSOLETE 	}
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  xd.l[1] = regs[i];
+// OBSOLETE 	  xd.l[0] = regs[i + 1];
+// OBSOLETE 	  printf_unfiltered (", double= %f\n", xd.d);
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE print_fpa_status (struct pt_regset ep)
+// OBSOLETE {
+// OBSOLETE 
+// OBSOLETE   printf_unfiltered ("WTL 1167:");
+// OBSOLETE   if (ep.pr_fpa.fpa_pcr != 0)
+// OBSOLETE     {
+// OBSOLETE       printf_unfiltered ("\n");
+// OBSOLETE       print_1167_control_word (ep.pr_fpa.fpa_pcr);
+// OBSOLETE       print_1167_regs (ep.pr_fpa.fpa_regs);
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       printf_unfiltered (" not in use.\n");
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #if 0				/* disabled because it doesn't go through the target vector.  */
+// OBSOLETE i386_float_info (void)
+// OBSOLETE {
+// OBSOLETE   char ubuf[UPAGES * NBPG];
+// OBSOLETE   struct pt_regset regset;
+// OBSOLETE 
+// OBSOLETE   if (have_inferior_p ())
+// OBSOLETE     {
+// OBSOLETE       PTRACE_READ_REGS (PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & regset);
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       int corechan = bfd_cache_lookup (core_bfd);
+// OBSOLETE       if (lseek (corechan, 0, 0) < 0)
+// OBSOLETE 	{
+// OBSOLETE 	  perror ("seek on core file");
+// OBSOLETE 	}
+// OBSOLETE       if (myread (corechan, ubuf, UPAGES * NBPG) < 0)
+// OBSOLETE 	{
+// OBSOLETE 	  perror ("read on core file");
+// OBSOLETE 	}
+// OBSOLETE       /* only interested in the floating point registers */
+// OBSOLETE       regset.pr_fpu = ((struct user *) ubuf)->u_fpusave;
+// OBSOLETE       regset.pr_fpa = ((struct user *) ubuf)->u_fpasave;
+// OBSOLETE     }
+// OBSOLETE   print_fpu_status (regset);
+// OBSOLETE   print_fpa_status (regset);
+// OBSOLETE }
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE static volatile int got_sigchld;
+// OBSOLETE 
+// OBSOLETE /*ARGSUSED */
+// OBSOLETE /* This will eventually be more interesting. */
+// OBSOLETE void
+// OBSOLETE sigchld_handler (int signo)
+// OBSOLETE {
+// OBSOLETE   got_sigchld++;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE  * Signals for which the default action does not cause the process
+// OBSOLETE  * to die.  See <sys/signal.h> for where this came from (alas, we
+// OBSOLETE  * can't use those macros directly)
+// OBSOLETE  */
+// OBSOLETE #ifndef sigmask
+// OBSOLETE #define sigmask(s) (1 << ((s) - 1))
+// OBSOLETE #endif
+// OBSOLETE #define SIGNALS_DFL_SAFE sigmask(SIGSTOP) | sigmask(SIGTSTP) | \
+// OBSOLETE 	sigmask(SIGTTIN) | sigmask(SIGTTOU) | sigmask(SIGCHLD) | \
+// OBSOLETE 	sigmask(SIGCONT) | sigmask(SIGWINCH) | sigmask(SIGPWR) | \
+// OBSOLETE 	sigmask(SIGURG) | sigmask(SIGPOLL)
+// OBSOLETE 
+// OBSOLETE #ifdef ATTACH_DETACH
+// OBSOLETE /*
+// OBSOLETE  * Thanks to XPT_MPDEBUGGER, we have to mange child_wait().
+// OBSOLETE  */
+// OBSOLETE ptid_t
+// OBSOLETE child_wait (ptid_t ptid, struct target_waitstatus *status)
+// OBSOLETE {
+// OBSOLETE   int save_errno, rv, xvaloff, saoff, sa_hand;
+// OBSOLETE   struct pt_stop pt;
+// OBSOLETE   struct user u;
+// OBSOLETE   sigset_t set;
+// OBSOLETE   /* Host signal number for a signal which the inferior terminates with, or
+// OBSOLETE      0 if it hasn't terminated due to a signal.  */
+// OBSOLETE   static int death_by_signal = 0;
+// OBSOLETE #ifdef SVR4_SHARED_LIBS		/* use this to distinguish ptx 2 vs ptx 4 */
+// OBSOLETE   prstatus_t pstatus;
+// OBSOLETE #endif
+// OBSOLETE   int pid = PIDGET (ptid);
+// OBSOLETE 
+// OBSOLETE   do
+// OBSOLETE     {
+// OBSOLETE       set_sigint_trap ();	/* Causes SIGINT to be passed on to the
+// OBSOLETE 				   attached process. */
+// OBSOLETE       save_errno = errno;
+// OBSOLETE 
+// OBSOLETE       got_sigchld = 0;
+// OBSOLETE 
+// OBSOLETE       sigemptyset (&set);
+// OBSOLETE 
+// OBSOLETE       while (got_sigchld == 0)
+// OBSOLETE 	{
+// OBSOLETE 	  sigsuspend (&set);
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       clear_sigint_trap ();
+// OBSOLETE 
+// OBSOLETE       rv = mptrace (XPT_STOPSTAT, 0, (char *) &pt, 0);
+// OBSOLETE       if (-1 == rv)
+// OBSOLETE 	{
+// OBSOLETE 	  printf ("XPT_STOPSTAT: errno %d\n", errno);	/* DEBUG */
+// OBSOLETE 	  continue;
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       pid = pt.ps_pid;
+// OBSOLETE 
+// OBSOLETE       if (pid != PIDGET (inferior_ptid))
+// OBSOLETE 	{
+// OBSOLETE 	  /* NOTE: the mystery fork in csh/tcsh needs to be ignored.
+// OBSOLETE 	   * We should not return new children for the initial run
+// OBSOLETE 	   * of a process until it has done the exec.
+// OBSOLETE 	   */
+// OBSOLETE 	  /* inferior probably forked; send it on its way */
+// OBSOLETE 	  rv = mptrace (XPT_UNDEBUG, pid, 0, 0);
+// OBSOLETE 	  if (-1 == rv)
+// OBSOLETE 	    {
+// OBSOLETE 	      printf ("child_wait: XPT_UNDEBUG: pid %d: %s\n", pid,
+// OBSOLETE 		      safe_strerror (errno));
+// OBSOLETE 	    }
+// OBSOLETE 	  continue;
+// OBSOLETE 	}
+// OBSOLETE       /* FIXME: Do we deal with fork notification correctly?  */
+// OBSOLETE       switch (pt.ps_reason)
+// OBSOLETE 	{
+// OBSOLETE 	case PTS_FORK:
+// OBSOLETE 	  /* multi proc: treat like PTS_EXEC */
+// OBSOLETE 	  /*
+// OBSOLETE 	   * Pretend this didn't happen, since gdb isn't set up
+// OBSOLETE 	   * to deal with stops on fork.
+// OBSOLETE 	   */
+// OBSOLETE 	  rv = ptrace (PT_CONTSIG, pid, 1, 0);
+// OBSOLETE 	  if (-1 == rv)
+// OBSOLETE 	    {
+// OBSOLETE 	      printf ("PTS_FORK: PT_CONTSIG: error %d\n", errno);
+// OBSOLETE 	    }
+// OBSOLETE 	  continue;
+// OBSOLETE 	case PTS_EXEC:
+// OBSOLETE 	  /*
+// OBSOLETE 	   * Pretend this is a SIGTRAP.
+// OBSOLETE 	   */
+// OBSOLETE 	  status->kind = TARGET_WAITKIND_STOPPED;
+// OBSOLETE 	  status->value.sig = TARGET_SIGNAL_TRAP;
+// OBSOLETE 	  break;
+// OBSOLETE 	case PTS_EXIT:
+// OBSOLETE 	  /*
+// OBSOLETE 	   * Note: we stop before the exit actually occurs.  Extract
+// OBSOLETE 	   * the exit code from the uarea.  If we're stopped in the
+// OBSOLETE 	   * exit() system call, the exit code will be in
+// OBSOLETE 	   * u.u_ap[0].  An exit due to an uncaught signal will have
+// OBSOLETE 	   * something else in here, see the comment in the default:
+// OBSOLETE 	   * case, below.  Finally,let the process exit.
+// OBSOLETE 	   */
+// OBSOLETE 	  if (death_by_signal)
+// OBSOLETE 	    {
+// OBSOLETE 	      status->kind = TARGET_WAITKIND_SIGNALED;
+// OBSOLETE 	      status->value.sig = target_signal_from_host (death_by_signal);
+// OBSOLETE 	      death_by_signal = 0;
+// OBSOLETE 	      break;
+// OBSOLETE 	    }
+// OBSOLETE 	  xvaloff = (unsigned long) &u.u_ap[0] - (unsigned long) &u;
+// OBSOLETE 	  errno = 0;
+// OBSOLETE 	  rv = ptrace (PT_RUSER, pid, (char *) xvaloff, 0);
+// OBSOLETE 	  status->kind = TARGET_WAITKIND_EXITED;
+// OBSOLETE 	  status->value.integer = rv;
+// OBSOLETE 	  /*
+// OBSOLETE 	   * addr & data to mptrace() don't matter here, since
+// OBSOLETE 	   * the process is already dead.
+// OBSOLETE 	   */
+// OBSOLETE 	  rv = mptrace (XPT_UNDEBUG, pid, 0, 0);
+// OBSOLETE 	  if (-1 == rv)
+// OBSOLETE 	    {
+// OBSOLETE 	      printf ("child_wait: PTS_EXIT: XPT_UNDEBUG: pid %d error %d\n", pid,
+// OBSOLETE 		      errno);
+// OBSOLETE 	    }
+// OBSOLETE 	  break;
+// OBSOLETE 	case PTS_WATCHPT_HIT:
+// OBSOLETE 	  internal_error (__FILE__, __LINE__,
+// OBSOLETE 			  "PTS_WATCHPT_HIT\n");
+// OBSOLETE 	  break;
+// OBSOLETE 	default:
+// OBSOLETE 	  /* stopped by signal */
+// OBSOLETE 	  status->kind = TARGET_WAITKIND_STOPPED;
+// OBSOLETE 	  status->value.sig = target_signal_from_host (pt.ps_reason);
+// OBSOLETE 	  death_by_signal = 0;
+// OBSOLETE 
+// OBSOLETE 	  if (0 == (SIGNALS_DFL_SAFE & sigmask (pt.ps_reason)))
+// OBSOLETE 	    {
+// OBSOLETE 	      break;
+// OBSOLETE 	    }
+// OBSOLETE 	  /* else default action of signal is to die */
+// OBSOLETE #ifdef SVR4_SHARED_LIBS
+// OBSOLETE 	  rv = ptrace (PT_GET_PRSTATUS, pid, (char *) &pstatus, 0);
+// OBSOLETE 	  if (-1 == rv)
+// OBSOLETE 	    error ("child_wait: signal %d PT_GET_PRSTATUS: %s\n",
+// OBSOLETE 		   pt.ps_reason, safe_strerror (errno));
+// OBSOLETE 	  if (pstatus.pr_cursig != pt.ps_reason)
+// OBSOLETE 	    {
+// OBSOLETE 	      printf ("pstatus signal %d, pt signal %d\n",
+// OBSOLETE 		      pstatus.pr_cursig, pt.ps_reason);
+// OBSOLETE 	    }
+// OBSOLETE 	  sa_hand = (int) pstatus.pr_action.sa_handler;
+// OBSOLETE #else
+// OBSOLETE 	  saoff = (unsigned long) &u.u_sa[0] - (unsigned long) &u;
+// OBSOLETE 	  saoff += sizeof (struct sigaction) * (pt.ps_reason - 1);
+// OBSOLETE 	  errno = 0;
+// OBSOLETE 	  sa_hand = ptrace (PT_RUSER, pid, (char *) saoff, 0);
+// OBSOLETE 	  if (errno)
+// OBSOLETE 	    error ("child_wait: signal %d: RUSER: %s\n",
+// OBSOLETE 		   pt.ps_reason, safe_strerror (errno));
+// OBSOLETE #endif
+// OBSOLETE 	  if ((int) SIG_DFL == sa_hand)
+// OBSOLETE 	    {
+// OBSOLETE 	      /* we will be dying */
+// OBSOLETE 	      death_by_signal = pt.ps_reason;
+// OBSOLETE 	    }
+// OBSOLETE 	  break;
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE     }
+// OBSOLETE   while (pid != PIDGET (inferior_ptid));	/* Some other child died or stopped */
+// OBSOLETE 
+// OBSOLETE   return pid_to_ptid (pid);
+// OBSOLETE }
+// OBSOLETE #else /* !ATTACH_DETACH */
+// OBSOLETE /*
+// OBSOLETE  * Simple child_wait() based on inftarg.c child_wait() for use until
+// OBSOLETE  * the MPDEBUGGER child_wait() works properly.  This will go away when
+// OBSOLETE  * that is fixed.
+// OBSOLETE  */
+// OBSOLETE ptid_t
+// OBSOLETE child_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
+// OBSOLETE {
+// OBSOLETE   int save_errno;
+// OBSOLETE   int status;
+// OBSOLETE   int pid = PIDGET (ptid);
+// OBSOLETE 
+// OBSOLETE   do
+// OBSOLETE     {
+// OBSOLETE       pid = wait (&status);
+// OBSOLETE       save_errno = errno;
+// OBSOLETE 
+// OBSOLETE       if (pid == -1)
+// OBSOLETE 	{
+// OBSOLETE 	  if (save_errno == EINTR)
+// OBSOLETE 	    continue;
+// OBSOLETE 	  fprintf (stderr, "Child process unexpectedly missing: %s.\n",
+// OBSOLETE 		   safe_strerror (save_errno));
+// OBSOLETE 	  ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
+// OBSOLETE 	  ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
+// OBSOLETE 	  return pid_to_ptid (-1);
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE   while (pid != PIDGET (inferior_ptid));	/* Some other child died or stopped */
+// OBSOLETE   store_waitstatus (ourstatus, status);
+// OBSOLETE   return pid_to_ptid (pid);
+// OBSOLETE }
+// OBSOLETE #endif /* ATTACH_DETACH */
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE /* This function simply calls ptrace with the given arguments.  
+// OBSOLETE    It exists so that all calls to ptrace are isolated in this 
+// OBSOLETE    machine-dependent file. */
+// OBSOLETE int
+// OBSOLETE call_ptrace (int request, int pid, PTRACE_ARG3_TYPE addr, int data)
+// OBSOLETE {
+// OBSOLETE   return ptrace (request, pid, addr, data);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE int
+// OBSOLETE call_mptrace (int request, int pid, PTRACE_ARG3_TYPE addr, int data)
+// OBSOLETE {
+// OBSOLETE   return mptrace (request, pid, addr, data);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #if defined (DEBUG_PTRACE)
+// OBSOLETE /* For the rest of the file, use an extra level of indirection */
+// OBSOLETE /* This lets us breakpoint usefully on call_ptrace. */
+// OBSOLETE #define ptrace call_ptrace
+// OBSOLETE #define mptrace call_mptrace
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE kill_inferior (void)
+// OBSOLETE {
+// OBSOLETE   if (ptid_equal (inferior_ptid, null_ptid))
+// OBSOLETE     return;
+// OBSOLETE 
+// OBSOLETE   /* For MPDEBUGGER, don't use PT_KILL, since the child will stop
+// OBSOLETE      again with a PTS_EXIT.  Just hit him with SIGKILL (so he stops)
+// OBSOLETE      and detach. */
+// OBSOLETE 
+// OBSOLETE   kill (PIDGET (inferior_ptid), SIGKILL);
+// OBSOLETE #ifdef ATTACH_DETACH
+// OBSOLETE   detach (SIGKILL);
+// OBSOLETE #else /* ATTACH_DETACH */
+// OBSOLETE   ptrace (PT_KILL, PIDGET (inferior_ptid), 0, 0);
+// OBSOLETE   wait ((int *) NULL);
+// OBSOLETE #endif /* ATTACH_DETACH */
+// OBSOLETE   target_mourn_inferior ();
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Resume execution of the inferior process.
+// OBSOLETE    If STEP is nonzero, single-step it.
+// OBSOLETE    If SIGNAL is nonzero, give it that signal.  */
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE child_resume (ptid_t ptid, int step, enum target_signal signal)
+// OBSOLETE {
+// OBSOLETE   int pid = PIDGET (ptid);
+// OBSOLETE 
+// OBSOLETE   errno = 0;
+// OBSOLETE 
+// OBSOLETE   if (pid == -1)
+// OBSOLETE     pid = PIDGET (inferior_ptid);
+// OBSOLETE 
+// OBSOLETE   /* An address of (PTRACE_ARG3_TYPE)1 tells ptrace to continue from where
+// OBSOLETE      it was.  (If GDB wanted it to start some other way, we have already
+// OBSOLETE      written a new PC value to the child.)
+// OBSOLETE 
+// OBSOLETE      If this system does not support PT_SSTEP, a higher level function will
+// OBSOLETE      have called single_step() to transmute the step request into a
+// OBSOLETE      continue request (by setting breakpoints on all possible successor
+// OBSOLETE      instructions), so we don't have to worry about that here.  */
+// OBSOLETE 
+// OBSOLETE   if (step)
+// OBSOLETE     ptrace (PT_SSTEP, pid, (PTRACE_ARG3_TYPE) 1, signal);
+// OBSOLETE   else
+// OBSOLETE     ptrace (PT_CONTSIG, pid, (PTRACE_ARG3_TYPE) 1, signal);
+// OBSOLETE 
+// OBSOLETE   if (errno)
+// OBSOLETE     perror_with_name ("ptrace");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #ifdef ATTACH_DETACH
+// OBSOLETE /* Start debugging the process whose number is PID.  */
+// OBSOLETE int
+// OBSOLETE attach (int pid)
+// OBSOLETE {
+// OBSOLETE   sigset_t set;
+// OBSOLETE   int rv;
+// OBSOLETE 
+// OBSOLETE   rv = mptrace (XPT_DEBUG, pid, 0, 0);
+// OBSOLETE   if (-1 == rv)
+// OBSOLETE     {
+// OBSOLETE       error ("mptrace(XPT_DEBUG): %s", safe_strerror (errno));
+// OBSOLETE     }
+// OBSOLETE   rv = mptrace (XPT_SIGNAL, pid, 0, SIGSTOP);
+// OBSOLETE   if (-1 == rv)
+// OBSOLETE     {
+// OBSOLETE       error ("mptrace(XPT_SIGNAL): %s", safe_strerror (errno));
+// OBSOLETE     }
+// OBSOLETE   attach_flag = 1;
+// OBSOLETE   return pid;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE detach (int signo)
+// OBSOLETE {
+// OBSOLETE   int rv;
+// OBSOLETE 
+// OBSOLETE   rv = mptrace (XPT_UNDEBUG, PIDGET (inferior_ptid), 1, signo);
+// OBSOLETE   if (-1 == rv)
+// OBSOLETE     {
+// OBSOLETE       error ("mptrace(XPT_UNDEBUG): %s", safe_strerror (errno));
+// OBSOLETE     }
+// OBSOLETE   attach_flag = 0;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #endif /* ATTACH_DETACH */
+// OBSOLETE 
+// OBSOLETE /* Default the type of the ptrace transfer to int.  */
+// OBSOLETE #ifndef PTRACE_XFER_TYPE
+// OBSOLETE #define PTRACE_XFER_TYPE int
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE /* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory
+// OBSOLETE    in the NEW_SUN_PTRACE case.
+// OBSOLETE    It ought to be straightforward.  But it appears that writing did
+// OBSOLETE    not write the data that I specified.  I cannot understand where
+// OBSOLETE    it got the data that it actually did write.  */
+// OBSOLETE 
+// OBSOLETE /* Copy LEN bytes to or from inferior's memory starting at MEMADDR
+// OBSOLETE    to debugger memory starting at MYADDR.   Copy to inferior if
+// OBSOLETE    WRITE is nonzero.  TARGET is ignored.
+// OBSOLETE 
+// OBSOLETE    Returns the length copied, which is either the LEN argument or zero.
+// OBSOLETE    This xfer function does not do partial moves, since child_ops
+// OBSOLETE    doesn't allow memory operations to cross below us in the target stack
+// OBSOLETE    anyway.  */
+// OBSOLETE 
+// OBSOLETE int
+// OBSOLETE child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+// OBSOLETE 		   struct mem_attrib *attrib,
+// OBSOLETE 		   struct target_ops *target)
+// OBSOLETE {
+// OBSOLETE   register int i;
+// OBSOLETE   /* Round starting address down to longword boundary.  */
+// OBSOLETE   register CORE_ADDR addr = memaddr & -(CORE_ADDR) sizeof (PTRACE_XFER_TYPE);
+// OBSOLETE   /* Round ending address up; get number of longwords that makes.  */
+// OBSOLETE   register int count
+// OBSOLETE   = (((memaddr + len) - addr) + sizeof (PTRACE_XFER_TYPE) - 1)
+// OBSOLETE   / sizeof (PTRACE_XFER_TYPE);
+// OBSOLETE   /* Allocate buffer of that many longwords.  */
+// OBSOLETE   /* FIXME (alloca): This code, cloned from infptrace.c, is unsafe
+// OBSOLETE      because it uses alloca to allocate a buffer of arbitrary size.
+// OBSOLETE      For very large xfers, this could crash GDB's stack.  */
+// OBSOLETE   register PTRACE_XFER_TYPE *buffer
+// OBSOLETE     = (PTRACE_XFER_TYPE *) alloca (count * sizeof (PTRACE_XFER_TYPE));
+// OBSOLETE 
+// OBSOLETE   if (write)
+// OBSOLETE     {
+// OBSOLETE       /* Fill start and end extra bytes of buffer with existing memory data.  */
+// OBSOLETE 
+// OBSOLETE       if (addr != memaddr || len < (int) sizeof (PTRACE_XFER_TYPE))
+// OBSOLETE 	{
+// OBSOLETE 	  /* Need part of initial word -- fetch it.  */
+// OBSOLETE 	  buffer[0] = ptrace (PT_RTEXT, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) addr,
+// OBSOLETE 			      0);
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       if (count > 1)		/* FIXME, avoid if even boundary */
+// OBSOLETE 	{
+// OBSOLETE 	  buffer[count - 1]
+// OBSOLETE 	    = ptrace (PT_RTEXT, PIDGET (inferior_ptid),
+// OBSOLETE 		      ((PTRACE_ARG3_TYPE)
+// OBSOLETE 		       (addr + (count - 1) * sizeof (PTRACE_XFER_TYPE))),
+// OBSOLETE 		      0);
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       /* Copy data to be written over corresponding part of buffer */
+// OBSOLETE 
+// OBSOLETE       memcpy ((char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)),
+// OBSOLETE 	      myaddr,
+// OBSOLETE 	      len);
+// OBSOLETE 
+// OBSOLETE       /* Write the entire buffer.  */
+// OBSOLETE 
+// OBSOLETE       for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
+// OBSOLETE 	{
+// OBSOLETE 	  errno = 0;
+// OBSOLETE 	  ptrace (PT_WDATA, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) addr,
+// OBSOLETE 		  buffer[i]);
+// OBSOLETE 	  if (errno)
+// OBSOLETE 	    {
+// OBSOLETE 	      /* Using the appropriate one (I or D) is necessary for
+// OBSOLETE 	         Gould NP1, at least.  */
+// OBSOLETE 	      errno = 0;
+// OBSOLETE 	      ptrace (PT_WTEXT, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) addr,
+// OBSOLETE 		      buffer[i]);
+// OBSOLETE 	    }
+// OBSOLETE 	  if (errno)
+// OBSOLETE 	    return 0;
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       /* Read all the longwords */
+// OBSOLETE       for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
+// OBSOLETE 	{
+// OBSOLETE 	  errno = 0;
+// OBSOLETE 	  buffer[i] = ptrace (PT_RTEXT, PIDGET (inferior_ptid),
+// OBSOLETE 			      (PTRACE_ARG3_TYPE) addr, 0);
+// OBSOLETE 	  if (errno)
+// OBSOLETE 	    return 0;
+// OBSOLETE 	  QUIT;
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       /* Copy appropriate bytes out of the buffer.  */
+// OBSOLETE       memcpy (myaddr,
+// OBSOLETE 	      (char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)),
+// OBSOLETE 	      len);
+// OBSOLETE     }
+// OBSOLETE   return len;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE _initialize_symm_nat (void)
+// OBSOLETE {
+// OBSOLETE #ifdef ATTACH_DETACH
+// OBSOLETE /*
+// OBSOLETE  * the MPDEBUGGER is necessary for process tree debugging and attach
+// OBSOLETE  * to work, but it alters the behavior of debugged processes, so other
+// OBSOLETE  * things (at least child_wait()) will have to change to accomodate
+// OBSOLETE  * that.
+// OBSOLETE  *
+// OBSOLETE  * Note that attach is not implemented in dynix 3, and not in ptx
+// OBSOLETE  * until version 2.1 of the OS.
+// OBSOLETE  */
+// OBSOLETE   int rv;
+// OBSOLETE   sigset_t set;
+// OBSOLETE   struct sigaction sact;
+// OBSOLETE 
+// OBSOLETE   rv = mptrace (XPT_MPDEBUGGER, 0, 0, 0);
+// OBSOLETE   if (-1 == rv)
+// OBSOLETE     {
+// OBSOLETE       internal_error (__FILE__, __LINE__,
+// OBSOLETE 		      "_initialize_symm_nat(): mptrace(XPT_MPDEBUGGER): %s",
+// OBSOLETE 		      safe_strerror (errno));
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /*
+// OBSOLETE    * Under MPDEBUGGER, we get SIGCLHD when a traced process does
+// OBSOLETE    * anything of interest.
+// OBSOLETE    */
+// OBSOLETE 
+// OBSOLETE   /*
+// OBSOLETE    * Block SIGCHLD.  We leave it blocked all the time, and then
+// OBSOLETE    * call sigsuspend() in child_wait() to wait for the child
+// OBSOLETE    * to do something.  None of these ought to fail, but check anyway.
+// OBSOLETE    */
+// OBSOLETE   sigemptyset (&set);
+// OBSOLETE   rv = sigaddset (&set, SIGCHLD);
+// OBSOLETE   if (-1 == rv)
+// OBSOLETE     {
+// OBSOLETE       internal_error (__FILE__, __LINE__,
+// OBSOLETE 		      "_initialize_symm_nat(): sigaddset(SIGCHLD): %s",
+// OBSOLETE 		      safe_strerror (errno));
+// OBSOLETE     }
+// OBSOLETE   rv = sigprocmask (SIG_BLOCK, &set, (sigset_t *) NULL);
+// OBSOLETE   if (-1 == rv)
+// OBSOLETE     {
+// OBSOLETE       internal_error (__FILE__, __LINE__,
+// OBSOLETE 		      "_initialize_symm_nat(): sigprocmask(SIG_BLOCK): %s",
+// OBSOLETE 		      safe_strerror (errno));
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   sact.sa_handler = sigchld_handler;
+// OBSOLETE   sigemptyset (&sact.sa_mask);
+// OBSOLETE   sact.sa_flags = SA_NOCLDWAIT;	/* keep the zombies away */
+// OBSOLETE   rv = sigaction (SIGCHLD, &sact, (struct sigaction *) NULL);
+// OBSOLETE   if (-1 == rv)
+// OBSOLETE     {
+// OBSOLETE       internal_error (__FILE__, __LINE__,
+// OBSOLETE 		      "_initialize_symm_nat(): sigaction(SIGCHLD): %s",
+// OBSOLETE 		      safe_strerror (errno));
+// OBSOLETE     }
+// OBSOLETE #endif
+// OBSOLETE }