Initial creation of sourceware repository

1 files changed, 0 insertions, 334 deletions

diff --git a/gdb/gdbserver/low-sparc.c b/gdb/gdbserver/low-sparc.c
deleted file mode 100644
index ddffaec..0000000
--- a/gdb/gdbserver/low-sparc.c
+++ /dev/null
@@ -1,334 +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 "defs.h"
-#include <sys/wait.h>
-#include "frame.h"
-#include "inferior.h"
-/***************************
-#include "initialize.h"
-****************************/
-
-#include <stdio.h>
-#include <sys/param.h>
-#include <sys/dir.h>
-#include <sys/user.h>
-#include <signal.h>
-#include <sys/ioctl.h>
-#include <sgtty.h>
-#include <fcntl.h>
-
-/***************Begin MY defs*********************/
-int quit_flag = 0;
-char registers[REGISTER_BYTES];
-
-/* Index within `registers' of the first byte of the space for
-   register N.  */
-
-
-char buf2[MAX_REGISTER_RAW_SIZE];
-/***************End MY defs*********************/
-
-#include <sys/ptrace.h>
-#include <sys/reg.h>
-
-extern int sys_nerr;
-extern char **sys_errlist;
-extern char **environ;
-extern int errno;
-extern int inferior_pid;
-void quit (), perror_with_name ();
-int query ();
-
-/* Start an inferior process and returns its pid.
-   ALLARGS is a vector of program-name and args.
-   ENV is the environment vector to pass.  */
-
-int
-create_inferior (program, allargs)
-     char *program;
-     char **allargs;
-{
-  int pid;
-
-  pid = fork ();
-  if (pid < 0)
-    perror_with_name ("fork");
-
-  if (pid == 0)
-    {
-      ptrace (PTRACE_TRACEME);
-
-      execv (program, allargs);
-
-      fprintf (stderr, "Cannot exec %s: %s.\n", 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 (8, inferior_pid, 0, 0);
-  wait (0);
-  /*************inferior_died ();****VK**************/
-}
-
-/* Return nonzero if the given thread is still alive.  */
-int
-mythread_alive (pid)
-     int pid;
-{
-  return 1;
-}
-
-/* Wait for process, returns status */
-
-unsigned char
-mywait (status)
-     char *status;
-{
-  int pid;
-  union wait w;
-
-  pid = wait (&w);
-  if (pid != inferior_pid)
-    perror_with_name ("wait");
-
-  if (WIFEXITED (w))
-    {
-      fprintf (stderr, "\nChild exited with retcode = %x \n", WEXITSTATUS (w));
-      *status = 'W';
-      return ((unsigned char) WEXITSTATUS (w));
-    }
-  else if (!WIFSTOPPED (w))
-    {
-      fprintf (stderr, "\nChild terminated with signal = %x \n", WTERMSIG (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 : PTRACE_CONT, inferior_pid, 1, signal);
-  if (errno)
-    perror_with_name ("ptrace");
-}
-
-/* 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;
-{
-  struct regs inferior_registers;
-  struct fp_status inferior_fp_registers;
-  int i;
-
-  /* Global and Out regs are fetched directly, as well as the control
-     registers.  If we're getting one of the in or local regs,
-     and the stack pointer has not yet been fetched,
-     we have to do that first, since they're found in memory relative
-     to the stack pointer.  */
-
-  if (ptrace (PTRACE_GETREGS, inferior_pid,
-	      (PTRACE_ARG3_TYPE) &inferior_registers, 0))
-    perror("ptrace_getregs");
-      
-  registers[REGISTER_BYTE (0)] = 0;
-  memcpy (&registers[REGISTER_BYTE (1)], &inferior_registers.r_g1,
-	  15 * REGISTER_RAW_SIZE (G0_REGNUM));
-  *(int *)&registers[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps; 
-  *(int *)&registers[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc;
-  *(int *)&registers[REGISTER_BYTE (NPC_REGNUM)] = inferior_registers.r_npc;
-  *(int *)&registers[REGISTER_BYTE (Y_REGNUM)] = inferior_registers.r_y;
-
-  /* Floating point registers */
-
-  if (ptrace (PTRACE_GETFPREGS, inferior_pid,
-	      (PTRACE_ARG3_TYPE) &inferior_fp_registers,
-	      0))
-    perror("ptrace_getfpregs");
-  memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers,
-	  sizeof inferior_fp_registers.fpu_fr);
-
-  /* These regs are saved on the stack by the kernel.  Only read them
-     all (16 ptrace calls!) if we really need them.  */
-
-  read_inferior_memory (*(CORE_ADDR*)&registers[REGISTER_BYTE (SP_REGNUM)],
-			&registers[REGISTER_BYTE (L0_REGNUM)],
-			16*REGISTER_RAW_SIZE (L0_REGNUM));
-}
-
-/* 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;
-{
-  struct regs inferior_registers;
-  struct fp_status inferior_fp_registers;
-  CORE_ADDR sp = *(CORE_ADDR *)&registers[REGISTER_BYTE (SP_REGNUM)];
-
-  write_inferior_memory (sp, &registers[REGISTER_BYTE (L0_REGNUM)],
-			 16*REGISTER_RAW_SIZE (L0_REGNUM));
-
-  memcpy (&inferior_registers.r_g1, &registers[REGISTER_BYTE (G1_REGNUM)],
-	  15 * REGISTER_RAW_SIZE (G1_REGNUM));
-
-  inferior_registers.r_ps =
-    *(int *)&registers[REGISTER_BYTE (PS_REGNUM)];
-  inferior_registers.r_pc =
-    *(int *)&registers[REGISTER_BYTE (PC_REGNUM)];
-  inferior_registers.r_npc =
-    *(int *)&registers[REGISTER_BYTE (NPC_REGNUM)];
-  inferior_registers.r_y =
-    *(int *)&registers[REGISTER_BYTE (Y_REGNUM)];
-
-  if (ptrace (PTRACE_SETREGS, inferior_pid,
-	      (PTRACE_ARG3_TYPE) &inferior_registers, 0))
-    perror("ptrace_setregs");
-
-  memcpy (&inferior_fp_registers, &registers[REGISTER_BYTE (FP0_REGNUM)],
-	  sizeof inferior_fp_registers.fpu_fr);
-
-  if (ptrace (PTRACE_SETFPREGS, inferior_pid,
-	      (PTRACE_ARG3_TYPE) &inferior_fp_registers, 0))
-    perror("ptrace_setfpregs");
-}
-
-/* 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.  */
-
-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 (1, inferior_pid, 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 (1, inferior_pid, addr, 0);
-
-  if (count > 1)
-    {
-      buffer[count - 1]
-	= ptrace (1, inferior_pid,
-		  addr + (count - 1) * sizeof (int), 0);
-    }
-
-  /* Copy data to be written over corresponding part of buffer */
-
-  bcopy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
-
-  /* Write the entire buffer.  */
-
-  for (i = 0; i < count; i++, addr += sizeof (int))
-    {
-      errno = 0;
-      ptrace (4, inferior_pid, addr, buffer[i]);
-      if (errno)
-	return errno;
-    }
-
-  return 0;
-}
-
-void
-initialize ()
-{
-  inferior_pid = 0;
-}
-
-int
-have_inferior_p ()
-{
-  return inferior_pid != 0;
-}