Initial creation of sourceware repository

1 files changed, 0 insertions, 328 deletions

diff --git a/gdb/sparc-nat.c b/gdb/sparc-nat.c
deleted file mode 100644
index 3f5f8bf..0000000
--- a/gdb/sparc-nat.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/* Functions specific to running gdb native on a SPARC running SunOS4.
-   Copyright 1989, 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
-
-This file is part of GDB.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
-
-#include "defs.h"
-#include "inferior.h"
-#include "target.h"
-#include "gdbcore.h"
-
-#include <signal.h>
-#include <sys/ptrace.h>
-#include <sys/wait.h>
-#ifdef __linux__
-#include <asm/reg.h>
-#else
-#include <machine/reg.h>
-#endif
-#include <sys/user.h>
-
-/* We don't store all registers immediately when requested, since they
-   get sent over in large chunks anyway.  Instead, we accumulate most
-   of the changes and send them over once.  "deferred_stores" keeps
-   track of which sets of registers we have locally-changed copies of,
-   so we only need send the groups that have changed.  */
-
-#define	INT_REGS	1
-#define	STACK_REGS	2
-#define	FP_REGS		4
-
-static void
-fetch_core_registers PARAMS ((char *, unsigned int, int, CORE_ADDR));
-
-/* 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 (regno)
-     int regno;
-{
-  struct regs inferior_registers;
-  struct fp_status inferior_fp_registers;
-  int i;
-
-  /* We should never be called with deferred stores, because a prerequisite
-     for writing regs is to have fetched them all (PREPARE_TO_STORE), sigh.  */
-  if (deferred_stores) abort();
-
-  DO_DEFERRED_STORES;
-
-  /* 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 (regno < O7_REGNUM  /* including -1 */
-      || regno >= Y_REGNUM
-      || (!register_valid[SP_REGNUM] && regno < I7_REGNUM))
-    {
-      if (0 != 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;
-
-      for (i = G0_REGNUM; i <= O7_REGNUM; i++)
-	register_valid[i] = 1;
-      register_valid[Y_REGNUM] = 1;
-      register_valid[PS_REGNUM] = 1;
-      register_valid[PC_REGNUM] = 1;
-      register_valid[NPC_REGNUM] = 1;
-      /* If we don't set these valid, read_register_bytes() rereads
-	 all the regs every time it is called!  FIXME.  */
-      register_valid[WIM_REGNUM] = 1;	/* Not true yet, FIXME */
-      register_valid[TBR_REGNUM] = 1;	/* Not true yet, FIXME */
-      register_valid[CPS_REGNUM] = 1;	/* Not true yet, FIXME */
-    }
-
-  /* Floating point registers */
-  if (regno == -1 ||
-      regno == FPS_REGNUM ||
-      (regno >= FP0_REGNUM && regno <= FP0_REGNUM + 31))
-    {
-      if (0 != 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);
-      memcpy (&registers[REGISTER_BYTE (FPS_REGNUM)],
-	     &inferior_fp_registers.Fpu_fsr,
-	     sizeof (FPU_FSR_TYPE));
-      for (i = FP0_REGNUM; i <= FP0_REGNUM+31; i++)
-	register_valid[i] = 1;
-      register_valid[FPS_REGNUM] = 1;
-    }
-
-  /* These regs are saved on the stack by the kernel.  Only read them
-     all (16 ptrace calls!) if we really need them.  */
-  if (regno == -1)
-    {
-      target_read_memory (*(CORE_ADDR*)&registers[REGISTER_BYTE (SP_REGNUM)],
-		          &registers[REGISTER_BYTE (L0_REGNUM)],
-			  16*REGISTER_RAW_SIZE (L0_REGNUM));
-      for (i = L0_REGNUM; i <= I7_REGNUM; i++)
-	register_valid[i] = 1;
-    }
-  else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
-    {
-      CORE_ADDR sp = *(CORE_ADDR*)&registers[REGISTER_BYTE (SP_REGNUM)];
-      i = REGISTER_BYTE (regno);
-      if (register_valid[regno])
-	printf_unfiltered("register %d valid and read\n", regno);
-      target_read_memory (sp + i - REGISTER_BYTE (L0_REGNUM),
-			  &registers[i], REGISTER_RAW_SIZE (regno));
-      register_valid[regno] = 1;
-    }
-}
-
-/* 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 (regno)
-     int regno;
-{
-  struct regs inferior_registers;
-  struct fp_status inferior_fp_registers;
-  int wanna_store = INT_REGS + STACK_REGS + FP_REGS;
-
-  /* First decide which pieces of machine-state we need to modify.  
-     Default for regno == -1 case is all pieces.  */
-  if (regno >= 0)
-    if (FP0_REGNUM <= regno && regno < FP0_REGNUM + 32)
-      {
-	wanna_store = FP_REGS;
-      }
-    else 
-      {
-	if (regno == SP_REGNUM)
-	  wanna_store = INT_REGS + STACK_REGS;
-	else if (regno < L0_REGNUM || regno > I7_REGNUM)
-	  wanna_store = INT_REGS;
-	else if (regno == FPS_REGNUM)
-	  wanna_store = FP_REGS;
-	else
-	  wanna_store = STACK_REGS;
-      }
-
-  /* See if we're forcing the stores to happen now, or deferring. */
-  if (regno == -2)
-    {
-      wanna_store = deferred_stores;
-      deferred_stores = 0;
-    }
-  else
-    {
-      if (wanna_store == STACK_REGS)
-	{
-	  /* Fall through and just store one stack reg.  If we deferred
-	     it, we'd have to store them all, or remember more info.  */
-	}
-      else
-	{
-	  deferred_stores |= wanna_store;
-	  return;
-	}
-    }
-
-  if (wanna_store & STACK_REGS)
-    {
-      CORE_ADDR sp = *(CORE_ADDR *)&registers[REGISTER_BYTE (SP_REGNUM)];
-
-      if (regno < 0 || regno == SP_REGNUM)
-	{
-	  if (!register_valid[L0_REGNUM+5]) abort();
-	  target_write_memory (sp, 
-			       &registers[REGISTER_BYTE (L0_REGNUM)],
-			       16*REGISTER_RAW_SIZE (L0_REGNUM));
-	}
-      else
-	{
-	  if (!register_valid[regno]) abort();
-	  target_write_memory (sp + REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM),
-			       &registers[REGISTER_BYTE (regno)],
-			       REGISTER_RAW_SIZE (regno));
-	}
-	
-    }
-
-  if (wanna_store & INT_REGS)
-    {
-      if (!register_valid[G1_REGNUM]) abort();
-
-      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 (0 != ptrace (PTRACE_SETREGS, inferior_pid,
-		       (PTRACE_ARG3_TYPE) &inferior_registers, 0))
-	perror("ptrace_setregs");
-    }
-
-  if (wanna_store & FP_REGS)
-    {
-      if (!register_valid[FP0_REGNUM+9]) abort();
-      memcpy (&inferior_fp_registers, &registers[REGISTER_BYTE (FP0_REGNUM)],
-	      sizeof inferior_fp_registers.fpu_fr);
-      memcpy (&inferior_fp_registers.Fpu_fsr, 
-	      &registers[REGISTER_BYTE (FPS_REGNUM)], sizeof (FPU_FSR_TYPE));
-      if (0 !=
-	 ptrace (PTRACE_SETFPREGS, inferior_pid,
-		 (PTRACE_ARG3_TYPE) &inferior_fp_registers, 0))
-	 perror("ptrace_setfpregs");
-    }
-}
-
-
-static void
-fetch_core_registers (core_reg_sect, core_reg_size, which, ignore)
-  char *core_reg_sect;
-  unsigned core_reg_size;
-  int which;
-  CORE_ADDR ignore;	/* reg addr, unused in this version */
-{
-
-  if (which == 0) {
-
-    /* Integer registers */
-
-#define gregs ((struct regs *)core_reg_sect)
-    /* G0 *always* holds 0.  */
-    *(int *)&registers[REGISTER_BYTE (0)] = 0;
-
-    /* The globals and output registers.  */
-    memcpy (&registers[REGISTER_BYTE (G1_REGNUM)], &gregs->r_g1, 
-	    15 * REGISTER_RAW_SIZE (G1_REGNUM));
-    *(int *)&registers[REGISTER_BYTE (PS_REGNUM)] = gregs->r_ps;
-    *(int *)&registers[REGISTER_BYTE (PC_REGNUM)] = gregs->r_pc;
-    *(int *)&registers[REGISTER_BYTE (NPC_REGNUM)] = gregs->r_npc;
-    *(int *)&registers[REGISTER_BYTE (Y_REGNUM)] = gregs->r_y;
-
-    /* My best guess at where to get the locals and input
-       registers is exactly where they usually are, right above
-       the stack pointer.  If the core dump was caused by a bus error
-       from blowing away the stack pointer (as is possible) then this
-       won't work, but it's worth the try. */
-    {
-      int sp;
-
-      sp = *(int *)&registers[REGISTER_BYTE (SP_REGNUM)];
-      if (0 != target_read_memory (sp, &registers[REGISTER_BYTE (L0_REGNUM)], 
-			  16 * REGISTER_RAW_SIZE (L0_REGNUM)))
-	{
-	  /* fprintf_unfiltered so user can still use gdb */
-	  fprintf_unfiltered (gdb_stderr,
-		   "Couldn't read input and local registers from core file\n");
-	}
-    }
-  } else if (which == 2) {
-
-    /* Floating point registers */
-
-#define fpuregs  ((struct fpu *) core_reg_sect)
-    if (core_reg_size >= sizeof (struct fpu))
-      {
-	memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)], fpuregs->fpu_regs,
-		sizeof (fpuregs->fpu_regs));
-	memcpy (&registers[REGISTER_BYTE (FPS_REGNUM)], &fpuregs->fpu_fsr,
-		sizeof (FPU_FSR_TYPE));
-      }
-    else
-      fprintf_unfiltered (gdb_stderr, "Couldn't read float regs from core file\n");
-  }
-}
-
-int
-kernel_u_size ()
-{
-  return (sizeof (struct user));
-}
-
-
-/* Register that we are able to handle sparc core file formats.
-   FIXME: is this really bfd_target_unknown_flavour? */
-
-static struct core_fns sparc_core_fns =
-{
-  bfd_target_unknown_flavour,
-  fetch_core_registers,
-  NULL
-};
-
-void
-_initialize_core_sparc ()
-{
-  add_core_fns (&sparc_core_fns);
-}