Initial creation of sourceware repository

1 files changed, 0 insertions, 746 deletions

diff --git a/gdb/gdbserver/low-lynx.c b/gdb/gdbserver/low-lynx.c
deleted file mode 100644
index 3444f7a..0000000
--- a/gdb/gdbserver/low-lynx.c
+++ /dev/null
@@ -1,746 +0,0 @@
-/* Low level interface to ptrace, for the remote server for GDB.
-   Copyright (C) 1986, 1987, 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.  */
-
-#include "server.h"
-#include "frame.h"
-#include "inferior.h"
-
-#include <stdio.h>
-#include <sys/param.h>
-#include <sys/dir.h>
-#define LYNXOS
-#include <sys/mem.h>
-#include <sys/signal.h>
-#include <sys/file.h>
-#include <sys/kernel.h>
-#ifndef __LYNXOS
-#define __LYNXOS
-#endif
-#include <sys/itimer.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <sys/proc.h>
-#include <signal.h>
-#include <sys/ioctl.h>
-#include <sgtty.h>
-#include <fcntl.h>
-#include <sys/wait.h>
-#include <sys/fpp.h>
-
-char registers[REGISTER_BYTES];
-
-#include <sys/ptrace.h>
-
-/* Start an inferior process and returns its pid.
-   ALLARGS is a vector of program-name and args. */
-
-int
-create_inferior (program, allargs)
-     char *program;
-     char **allargs;
-{
-  int pid;
-
-  pid = fork ();
-  if (pid < 0)
-    perror_with_name ("fork");
-
-  if (pid == 0)
-    {
-      int pgrp;
-
-      /* Switch child to it's own process group so that signals won't
-	 directly affect gdbserver. */
-
-      pgrp = getpid();
-      setpgrp(0, pgrp);
-      ioctl (0, TIOCSPGRP, &pgrp);
-
-      ptrace (PTRACE_TRACEME, 0, (PTRACE_ARG3_TYPE)0, 0);
-
-      execv (program, allargs);
-
-      fprintf (stderr, "GDBserver (process %d):  Cannot exec %s: %s.\n",
-	       getpid(), program,
-	       errno < sys_nerr ? sys_errlist[errno] : "unknown error");
-      fflush (stderr);
-      _exit (0177);
-    }
-
-  return pid;
-}
-
-/* Kill the inferior process.  Make us have no inferior.  */
-
-void
-kill_inferior ()
-{
-  if (inferior_pid == 0)
-    return;
-  ptrace (PTRACE_KILL, inferior_pid, 0, 0);
-  wait (0);
-
-  inferior_pid = 0;
-}
-
-/* Return nonzero if the given thread is still alive.  */
-int
-mythread_alive (pid)
-     int pid;
-{
-  /* Arggh.  Apparently pthread_kill only works for threads within
-     the process that calls pthread_kill.
-
-     We want to avoid the lynx signal extensions as they simply don't
-     map well to the generic gdb interface we want to keep.
-
-     All we want to do is determine if a particular thread is alive;
-     it appears as if we can just make a harmless thread specific
-     ptrace call to do that.  */
-  return (ptrace (PTRACE_THREADUSER,
-		  BUILDPID (PIDGET (inferior_pid), pid), 0, 0) != -1);
-}
-
-/* Wait for process, returns status */
-
-unsigned char
-mywait (status)
-     char *status;
-{
-  int pid;
-  union wait w;
-
-  while (1)
-    {
-      enable_async_io();
-
-      pid = wait (&w);
-
-      disable_async_io();
-
-      if (pid != PIDGET(inferior_pid))
-	perror_with_name ("wait");
-
-      thread_from_wait = w.w_tid;
-      inferior_pid = BUILDPID (inferior_pid, w.w_tid);
-
-      if (WIFSTOPPED(w)
-	  && WSTOPSIG(w) == SIGTRAP)
-	{
-	  int realsig;
-
-	  realsig = ptrace (PTRACE_GETTRACESIG, inferior_pid,
-			    (PTRACE_ARG3_TYPE)0, 0);
-
-	  if (realsig == SIGNEWTHREAD)
-	    {
-	      /* It's a new thread notification.  Nothing to do here since
-		 the machine independent code in wait_for_inferior will
-		 add the thread to the thread list and restart the thread
-		 when pid != inferior_pid and pid is not in the thread list.
-		 We don't even want to muck with realsig -- the code in
-		 wait_for_inferior expects SIGTRAP.  */
-	      ;
-	    }
-	}
-      break;
-    }
-
-  if (WIFEXITED (w))
-    {
-      *status = 'W';
-      return ((unsigned char) WEXITSTATUS (w));
-    }
-  else if (!WIFSTOPPED (w))
-    {
-      *status = 'X';
-      return ((unsigned char) WTERMSIG (w));
-    }
-
-  fetch_inferior_registers (0);
-
-  *status = 'T';
-  return ((unsigned char) WSTOPSIG (w));
-}
-
-/* Resume execution of the inferior process.
-   If STEP is nonzero, single-step it.
-   If SIGNAL is nonzero, give it that signal.  */
-
-void
-myresume (step, signal)
-     int step;
-     int signal;
-{
-  errno = 0;
-  ptrace (step ? PTRACE_SINGLESTEP_ONE : PTRACE_CONT,
-	  BUILDPID (inferior_pid, cont_thread == -1 ? 0 : cont_thread),
-	  1, signal);
-  if (errno)
-    perror_with_name ("ptrace");
-}
-
-#undef offsetof
-#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
-
-/* Mapping between GDB register #s and offsets into econtext.  Must be
-   consistent with REGISTER_NAMES macro in various tmXXX.h files. */
-
-#define X(ENTRY)(offsetof(struct econtext, ENTRY))
-
-#ifdef I386
-/* Mappings from tm-i386v.h */
-
-static int regmap[] =
-{
-  X(eax),
-  X(ecx),
-  X(edx),
-  X(ebx),
-  X(esp),			/* sp */
-  X(ebp),			/* fp */
-  X(esi),
-  X(edi),
-  X(eip),			/* pc */
-  X(flags),			/* ps */
-  X(cs),
-  X(ss),
-  X(ds),
-  X(es),
-  X(ecode),			/* Lynx doesn't give us either fs or gs, so */
-  X(fault),			/* we just substitute these two in the hopes
-				   that they are useful. */
-};
-#endif
-
-#ifdef M68K
-/* Mappings from tm-m68k.h */
-
-static int regmap[] =
-{
-  X(regs[0]),			/* d0 */
-  X(regs[1]),			/* d1 */
-  X(regs[2]),			/* d2 */
-  X(regs[3]),			/* d3 */
-  X(regs[4]),			/* d4 */
-  X(regs[5]),			/* d5 */
-  X(regs[6]),			/* d6 */
-  X(regs[7]),			/* d7 */
-  X(regs[8]),			/* a0 */
-  X(regs[9]),			/* a1 */
-  X(regs[10]),			/* a2 */
-  X(regs[11]),			/* a3 */
-  X(regs[12]),			/* a4 */
-  X(regs[13]),			/* a5 */
-  X(regs[14]),			/* fp */
-  0,				/* sp */
-  X(status),			/* ps */
-  X(pc),
-
-  X(fregs[0*3]),		/* fp0 */
-  X(fregs[1*3]),		/* fp1 */
-  X(fregs[2*3]),		/* fp2 */
-  X(fregs[3*3]),		/* fp3 */
-  X(fregs[4*3]),		/* fp4 */
-  X(fregs[5*3]),		/* fp5 */
-  X(fregs[6*3]),		/* fp6 */
-  X(fregs[7*3]),		/* fp7 */
-
-  X(fcregs[0]),			/* fpcontrol */
-  X(fcregs[1]),			/* fpstatus */
-  X(fcregs[2]),			/* fpiaddr */
-  X(ssw),			/* fpcode */
-  X(fault),			/* fpflags */
-};
-#endif
-
-#ifdef SPARC
-/* Mappings from tm-sparc.h */
-
-#define FX(ENTRY)(offsetof(struct fcontext, ENTRY))
-
-static int regmap[] =
-{
-  -1,				/* g0 */
-  X(g1),
-  X(g2),
-  X(g3),
-  X(g4),
-  -1,				/* g5->g7 aren't saved by Lynx */
-  -1,
-  -1,
-
-  X(o[0]),
-  X(o[1]),
-  X(o[2]),
-  X(o[3]),
-  X(o[4]),
-  X(o[5]),
-  X(o[6]),			/* sp */
-  X(o[7]),			/* ra */
-
-  -1,-1,-1,-1,-1,-1,-1,-1,	/* l0 -> l7 */
-
-  -1,-1,-1,-1,-1,-1,-1,-1,	/* i0 -> i7 */
-
-  FX(f.fregs[0]),		/* f0 */
-  FX(f.fregs[1]),
-  FX(f.fregs[2]),
-  FX(f.fregs[3]),
-  FX(f.fregs[4]),
-  FX(f.fregs[5]),
-  FX(f.fregs[6]),
-  FX(f.fregs[7]),
-  FX(f.fregs[8]),
-  FX(f.fregs[9]),
-  FX(f.fregs[10]),
-  FX(f.fregs[11]),
-  FX(f.fregs[12]),
-  FX(f.fregs[13]),
-  FX(f.fregs[14]),
-  FX(f.fregs[15]),
-  FX(f.fregs[16]),
-  FX(f.fregs[17]),
-  FX(f.fregs[18]),
-  FX(f.fregs[19]),
-  FX(f.fregs[20]),
-  FX(f.fregs[21]),
-  FX(f.fregs[22]),
-  FX(f.fregs[23]),
-  FX(f.fregs[24]),
-  FX(f.fregs[25]),
-  FX(f.fregs[26]),
-  FX(f.fregs[27]),
-  FX(f.fregs[28]),
-  FX(f.fregs[29]),
-  FX(f.fregs[30]),
-  FX(f.fregs[31]),
-
-  X(y),
-  X(psr),
-  X(wim),
-  X(tbr),
-  X(pc),
-  X(npc),
-  FX(fsr),			/* fpsr */
-  -1,				/* cpsr */
-};
-#endif
-
-#ifdef SPARC
-
-/* This routine handles some oddball cases for Sparc registers and LynxOS.
-   In partucular, it causes refs to G0, g5->7, and all fp regs to return zero.
-   It also handles knows where to find the I & L regs on the stack.  */
-
-void
-fetch_inferior_registers (regno)
-     int regno;
-{
-#if 0
-  int whatregs = 0;
-
-#define WHATREGS_FLOAT 1
-#define WHATREGS_GEN 2
-#define WHATREGS_STACK 4
-
-  if (regno == -1)
-    whatregs = WHATREGS_FLOAT | WHATREGS_GEN | WHATREGS_STACK;
-  else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
-    whatregs = WHATREGS_STACK;
-  else if (regno >= FP0_REGNUM && regno < FP0_REGNUM + 32)
-    whatregs = WHATREGS_FLOAT;
-  else
-    whatregs = WHATREGS_GEN;
-
-  if (whatregs & WHATREGS_GEN)
-    {
-      struct econtext ec;		/* general regs */
-      char buf[MAX_REGISTER_RAW_SIZE];
-      int retval;
-      int i;
-
-      errno = 0;
-      retval = ptrace (PTRACE_GETREGS,
-		       BUILDPID (inferior_pid, general_thread),
-		       (PTRACE_ARG3_TYPE) &ec,
-		       0);
-      if (errno)
-	perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
-  
-      memset (buf, 0, REGISTER_RAW_SIZE (G0_REGNUM));
-      supply_register (G0_REGNUM, buf);
-      supply_register (TBR_REGNUM, (char *)&ec.tbr);
-
-      memcpy (&registers[REGISTER_BYTE (G1_REGNUM)], &ec.g1,
-	      4 * REGISTER_RAW_SIZE (G1_REGNUM));
-      for (i = G1_REGNUM; i <= G1_REGNUM + 3; i++)
-	register_valid[i] = 1;
-
-      supply_register (PS_REGNUM, (char *)&ec.psr);
-      supply_register (Y_REGNUM, (char *)&ec.y);
-      supply_register (PC_REGNUM, (char *)&ec.pc);
-      supply_register (NPC_REGNUM, (char *)&ec.npc);
-      supply_register (WIM_REGNUM, (char *)&ec.wim);
-
-      memcpy (&registers[REGISTER_BYTE (O0_REGNUM)], ec.o,
-	      8 * REGISTER_RAW_SIZE (O0_REGNUM));
-      for (i = O0_REGNUM; i <= O0_REGNUM + 7; i++)
-	register_valid[i] = 1;
-    }
-
-  if (whatregs & WHATREGS_STACK)
-    {
-      CORE_ADDR sp;
-      int i;
-
-      sp = read_register (SP_REGNUM);
-
-      target_xfer_memory (sp + FRAME_SAVED_I0,
-			  &registers[REGISTER_BYTE(I0_REGNUM)],
-			  8 * REGISTER_RAW_SIZE (I0_REGNUM), 0);
-      for (i = I0_REGNUM; i <= I7_REGNUM; i++)
-	register_valid[i] = 1;
-
-      target_xfer_memory (sp + FRAME_SAVED_L0,
-			  &registers[REGISTER_BYTE(L0_REGNUM)],
-			  8 * REGISTER_RAW_SIZE (L0_REGNUM), 0);
-      for (i = L0_REGNUM; i <= L0_REGNUM + 7; i++)
-	register_valid[i] = 1;
-    }
-
-  if (whatregs & WHATREGS_FLOAT)
-    {
-      struct fcontext fc;		/* fp regs */
-      int retval;
-      int i;
-
-      errno = 0;
-      retval = ptrace (PTRACE_GETFPREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) &fc,
-		       0);
-      if (errno)
-	perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
-  
-      memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)], fc.f.fregs,
-	      32 * REGISTER_RAW_SIZE (FP0_REGNUM));
-      for (i = FP0_REGNUM; i <= FP0_REGNUM + 31; i++)
-	register_valid[i] = 1;
-
-      supply_register (FPS_REGNUM, (char *)&fc.fsr);
-    }
-#endif
-}
-
-/* This routine handles storing of the I & L regs for the Sparc.  The trick
-   here is that they actually live on the stack.  The really tricky part is
-   that when changing the stack pointer, the I & L regs must be written to
-   where the new SP points, otherwise the regs will be incorrect when the
-   process is started up again.   We assume that the I & L regs are valid at
-   this point.  */
-
-void
-store_inferior_registers (regno)
-     int regno;
-{
-#if 0
-  int whatregs = 0;
-
-  if (regno == -1)
-    whatregs = WHATREGS_FLOAT | WHATREGS_GEN | WHATREGS_STACK;
-  else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
-    whatregs = WHATREGS_STACK;
-  else if (regno >= FP0_REGNUM && regno < FP0_REGNUM + 32)
-    whatregs = WHATREGS_FLOAT;
-  else if (regno == SP_REGNUM)
-    whatregs = WHATREGS_STACK | WHATREGS_GEN;
-  else
-    whatregs = WHATREGS_GEN;
-
-  if (whatregs & WHATREGS_GEN)
-    {
-      struct econtext ec;		/* general regs */
-      int retval;
-
-      ec.tbr = read_register (TBR_REGNUM);
-      memcpy (&ec.g1, &registers[REGISTER_BYTE (G1_REGNUM)],
-	      4 * REGISTER_RAW_SIZE (G1_REGNUM));
-
-      ec.psr = read_register (PS_REGNUM);
-      ec.y = read_register (Y_REGNUM);
-      ec.pc = read_register (PC_REGNUM);
-      ec.npc = read_register (NPC_REGNUM);
-      ec.wim = read_register (WIM_REGNUM);
-
-      memcpy (ec.o, &registers[REGISTER_BYTE (O0_REGNUM)],
-	      8 * REGISTER_RAW_SIZE (O0_REGNUM));
-
-      errno = 0;
-      retval = ptrace (PTRACE_SETREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) &ec,
-		       0);
-      if (errno)
-	perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
-    }
-
-  if (whatregs & WHATREGS_STACK)
-    {
-      int regoffset;
-      CORE_ADDR sp;
-
-      sp = read_register (SP_REGNUM);
-
-      if (regno == -1 || regno == SP_REGNUM)
-	{
-	  if (!register_valid[L0_REGNUM+5])
-	    abort();
-	  target_xfer_memory (sp + FRAME_SAVED_I0,
-			      &registers[REGISTER_BYTE (I0_REGNUM)],
-			      8 * REGISTER_RAW_SIZE (I0_REGNUM), 1);
-
-	  target_xfer_memory (sp + FRAME_SAVED_L0,
-			      &registers[REGISTER_BYTE (L0_REGNUM)],
-			      8 * REGISTER_RAW_SIZE (L0_REGNUM), 1);
-	}
-      else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
-	{
-	  if (!register_valid[regno])
-	    abort();
-	  if (regno >= L0_REGNUM && regno <= L0_REGNUM + 7)
-	    regoffset = REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM)
-	      + FRAME_SAVED_L0;
-	  else
-	    regoffset = REGISTER_BYTE (regno) - REGISTER_BYTE (I0_REGNUM)
-	      + FRAME_SAVED_I0;
-	  target_xfer_memory (sp + regoffset, &registers[REGISTER_BYTE (regno)],
-			      REGISTER_RAW_SIZE (regno), 1);
-	}
-    }
-
-  if (whatregs & WHATREGS_FLOAT)
-    {
-      struct fcontext fc;		/* fp regs */
-      int retval;
-
-/* We read fcontext first so that we can get good values for fq_t... */
-      errno = 0;
-      retval = ptrace (PTRACE_GETFPREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) &fc,
-		       0);
-      if (errno)
-	perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
-  
-      memcpy (fc.f.fregs, &registers[REGISTER_BYTE (FP0_REGNUM)],
-	      32 * REGISTER_RAW_SIZE (FP0_REGNUM));
-
-      fc.fsr = read_register (FPS_REGNUM);
-
-      errno = 0;
-      retval = ptrace (PTRACE_SETFPREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) &fc,
-		       0);
-      if (errno)
-	perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
-      }
-#endif
-}
-#endif /* SPARC */
-
-#ifndef SPARC
-
-/* Return the offset relative to the start of the per-thread data to the
-   saved context block.  */
-
-static unsigned long
-lynx_registers_addr()
-{
-  CORE_ADDR stblock;
-  int ecpoff = offsetof(st_t, ecp);
-  CORE_ADDR ecp;
-
-  errno = 0;
-  stblock = (CORE_ADDR) ptrace (PTRACE_THREADUSER, BUILDPID (inferior_pid, general_thread),
-				(PTRACE_ARG3_TYPE)0, 0);
-  if (errno)
-    perror_with_name ("PTRACE_THREADUSER");
-
-  ecp = (CORE_ADDR) ptrace (PTRACE_PEEKTHREAD, BUILDPID (inferior_pid, general_thread),
-			    (PTRACE_ARG3_TYPE)ecpoff, 0);
-  if (errno)
-    perror_with_name ("lynx_registers_addr(PTRACE_PEEKTHREAD)");
-
-  return ecp - stblock;
-}
-
-/* Fetch one or more registers from the inferior.  REGNO == -1 to get
-   them all.  We actually fetch more than requested, when convenient,
-   marking them as valid so we won't fetch them again.  */
-
-void
-fetch_inferior_registers (ignored)
-     int ignored;
-{
-  int regno;
-  unsigned long reg;
-  unsigned long ecp;
-
-  ecp = lynx_registers_addr();
-
-  for (regno = 0; regno < NUM_REGS; regno++)
-    {
-      int ptrace_fun = PTRACE_PEEKTHREAD;
-
-#ifdef PTRACE_PEEKUSP
-      ptrace_fun = regno == SP_REGNUM ? PTRACE_PEEKUSP : PTRACE_PEEKTHREAD;
-#endif
-
-      errno = 0;
-      reg = ptrace (ptrace_fun, BUILDPID (inferior_pid, general_thread),
-		    (PTRACE_ARG3_TYPE) (ecp + regmap[regno]), 0);
-      if (errno)
-	perror_with_name ("fetch_inferior_registers(PTRACE_PEEKTHREAD)");
-  
-      *(unsigned long *)&registers[REGISTER_BYTE (regno)] = reg;
-    }
-}
-
-/* Store our register values back into the inferior.
-   If REGNO is -1, do this for all registers.
-   Otherwise, REGNO specifies which register (so we can save time).  */
-
-void
-store_inferior_registers (ignored)
-     int ignored;
-{
-  int regno;
-  unsigned long reg;
-  unsigned long ecp;
-
-  ecp = lynx_registers_addr();
-
-  for (regno = 0; regno < NUM_REGS; regno++)
-    {
-      int ptrace_fun = PTRACE_POKEUSER;
-
-#ifdef PTRACE_POKEUSP
-      ptrace_fun = regno == SP_REGNUM ? PTRACE_POKEUSP : PTRACE_POKEUSER;
-#endif
-
-      reg = *(unsigned long *)&registers[REGISTER_BYTE (regno)];
-
-      errno = 0;
-      ptrace (ptrace_fun, BUILDPID (inferior_pid, general_thread),
-	      (PTRACE_ARG3_TYPE) (ecp + regmap[regno]), reg);
-      if (errno)
-	perror_with_name ("PTRACE_POKEUSER");
-    }
-}
-
-#endif /* ! SPARC */
-
-/* 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 from inferior's memory starting at MEMADDR
-   to debugger memory starting at MYADDR.  */
-
-void
-read_inferior_memory (memaddr, myaddr, len)
-     CORE_ADDR memaddr;
-     char *myaddr;
-     int len;
-{
-  register int i;
-  /* Round starting address down to longword boundary.  */
-  register CORE_ADDR addr = memaddr & -sizeof (int);
-  /* Round ending address up; get number of longwords that makes.  */
-  register int count
-  = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
-  /* Allocate buffer of that many longwords.  */
-  register int *buffer = (int *) alloca (count * sizeof (int));
-
-  /* Read all the longwords */
-  for (i = 0; i < count; i++, addr += sizeof (int))
-    {
-      buffer[i] = ptrace (PTRACE_PEEKTEXT, BUILDPID (inferior_pid, general_thread), addr, 0);
-    }
-
-  /* Copy appropriate bytes out of the buffer.  */
-  memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
-}
-
-/* Copy LEN bytes of data from debugger memory at MYADDR
-   to inferior's memory at MEMADDR.
-   On failure (cannot write the inferior)
-   returns the value of errno.  */
-
-int
-write_inferior_memory (memaddr, myaddr, len)
-     CORE_ADDR memaddr;
-     char *myaddr;
-     int len;
-{
-  register int i;
-  /* Round starting address down to longword boundary.  */
-  register CORE_ADDR addr = memaddr & -sizeof (int);
-  /* Round ending address up; get number of longwords that makes.  */
-  register int count
-  = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
-  /* Allocate buffer of that many longwords.  */
-  register int *buffer = (int *) alloca (count * sizeof (int));
-  extern int errno;
-
-  /* Fill start and end extra bytes of buffer with existing memory data.  */
-
-  buffer[0] = ptrace (PTRACE_PEEKTEXT, BUILDPID (inferior_pid, general_thread), addr, 0);
-
-  if (count > 1)
-    {
-      buffer[count - 1]
-	= ptrace (PTRACE_PEEKTEXT, BUILDPID (inferior_pid, general_thread),
-		  addr + (count - 1) * sizeof (int), 0);
-    }
-
-  /* Copy data to be written over corresponding part of buffer */
-
-  memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len);
-
-  /* Write the entire buffer.  */
-
-  for (i = 0; i < count; i++, addr += sizeof (int))
-    {
-      while (1)
-	{
-	  errno = 0;
-	  ptrace (PTRACE_POKETEXT, BUILDPID (inferior_pid, general_thread), addr, buffer[i]);
-	  if (errno)
-	    {
-	      fprintf(stderr, "\
-ptrace (PTRACE_POKETEXT): errno=%d, pid=0x%x, addr=0x%x, buffer[i] = 0x%x\n",
-		      errno, BUILDPID (inferior_pid, general_thread),
-		      addr, buffer[i]);
-	      fprintf(stderr, "Sleeping for 1 second\n");
-	      sleep(1);
-	    }
-	  else
-	    break;
-	}
-    }
-
-  return 0;
-}