[thirdparty/binutils-gdb.git] / gdb / sparc-nat.c

/* 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 <signal.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include <machine/reg.h>
#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

/* 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_xfer_memory (*(CORE_ADDR*)&registers[REGISTER_BYTE (SP_REGNUM)],
		          &registers[REGISTER_BYTE (L0_REGNUM)],
			  16*REGISTER_RAW_SIZE (L0_REGNUM), 0);
      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_xfer_memory (sp + i - REGISTER_BYTE (L0_REGNUM),
			  &registers[i], REGISTER_RAW_SIZE (regno), 0);
      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_xfer_memory (sp, 
			      &registers[REGISTER_BYTE (L0_REGNUM)],
			      16*REGISTER_RAW_SIZE (L0_REGNUM), 1);
	}
      else
	{
	  if (!register_valid[regno]) abort();
	  target_xfer_memory (sp + REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM),
			      &registers[REGISTER_BYTE (regno)],
			      REGISTER_RAW_SIZE (regno), 1);
	}
	
    }

  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");
    }
}


void
fetch_core_registers (core_reg_sect, core_reg_size, which, ignore)
  char *core_reg_sect;
  unsigned core_reg_size;
  int which;
  unsigned int 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));
}
Commit	Line	Data
2ba6182b	1	/* Functions specific to running gdb native on a SPARC running SunOS4.
7531f36e	2	Copyright 1989, 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
dfc82617 RP	3
	4	This file is part of GDB.
	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
6c9638b4	18	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
dfc82617 RP	19
	20	#include "defs.h"
	21	#include "inferior.h"
	22	#include "target.h"
dfc82617 RP	23
	24	#include <signal.h>
	25	#include <sys/ptrace.h>
	26	#include <sys/wait.h>
	27	#include <machine/reg.h>
7531f36e	28	#include <sys/user.h>
dfc82617 RP	29
	30	/* We don't store all registers immediately when requested, since they
	31	get sent over in large chunks anyway. Instead, we accumulate most
	32	of the changes and send them over once. "deferred_stores" keeps
	33	track of which sets of registers we have locally-changed copies of,
	34	so we only need send the groups that have changed. */
	35
	36	#define INT_REGS 1
	37	#define STACK_REGS 2
	38	#define FP_REGS 4
	39
	40	/* Fetch one or more registers from the inferior. REGNO == -1 to get
	41	them all. We actually fetch more than requested, when convenient,
	42	marking them as valid so we won't fetch them again. */
	43
	44	void
	45	fetch_inferior_registers (regno)
	46	int regno;
	47	{
	48	struct regs inferior_registers;
	49	struct fp_status inferior_fp_registers;
	50	int i;
	51
	52	/* We should never be called with deferred stores, because a prerequisite
	53	for writing regs is to have fetched them all (PREPARE_TO_STORE), sigh. */
	54	if (deferred_stores) abort();
	55
	56	DO_DEFERRED_STORES;
	57
	58	/* Global and Out regs are fetched directly, as well as the control
	59	registers. If we're getting one of the in or local regs,
	60	and the stack pointer has not yet been fetched,
	61	we have to do that first, since they're found in memory relative
	62	to the stack pointer. */
	63	if (regno < O7_REGNUM /* including -1 */
	64	\|\| regno >= Y_REGNUM
	65	\|\| (!register_valid[SP_REGNUM] && regno < I7_REGNUM))
	66	{
	67	if (0 != ptrace (PTRACE_GETREGS, inferior_pid,
	68	(PTRACE_ARG3_TYPE) &inferior_registers, 0))
	69	perror("ptrace_getregs");
	70
	71	registers[REGISTER_BYTE (0)] = 0;
	72	memcpy (&registers[REGISTER_BYTE (1)], &inferior_registers.r_g1,
	73	15 * REGISTER_RAW_SIZE (G0_REGNUM));
	74	(int )&registers[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps;
	75	(int )&registers[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc;
	76	(int )&registers[REGISTER_BYTE (NPC_REGNUM)] = inferior_registers.r_npc;
	77	(int )&registers[REGISTER_BYTE (Y_REGNUM)] = inferior_registers.r_y;
	78
	79	for (i = G0_REGNUM; i <= O7_REGNUM; i++)
	80	register_valid[i] = 1;
	81	register_valid[Y_REGNUM] = 1;
	82	register_valid[PS_REGNUM] = 1;
	83	register_valid[PC_REGNUM] = 1;
	84	register_valid[NPC_REGNUM] = 1;
	85	/* If we don't set these valid, read_register_bytes() rereads
	86	all the regs every time it is called! FIXME. */
	87	register_valid[WIM_REGNUM] = 1; /* Not true yet, FIXME */
	88	register_valid[TBR_REGNUM] = 1; /* Not true yet, FIXME */
dfc82617 RP	89	register_valid[CPS_REGNUM] = 1; /* Not true yet, FIXME */
	90	}
	91
	92	/* Floating point registers */
2ba6182b JG	93	if (regno == -1 \|\|
	94	regno == FPS_REGNUM \|\|
	95	(regno >= FP0_REGNUM && regno <= FP0_REGNUM + 31))
dfc82617 RP	96	{
	97	if (0 != ptrace (PTRACE_GETFPREGS, inferior_pid,
	98	(PTRACE_ARG3_TYPE) &inferior_fp_registers,
	99	0))
	100	perror("ptrace_getfpregs");
	101	memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers,
	102	sizeof inferior_fp_registers.fpu_fr);
c369b6a3	103	memcpy (&registers[REGISTER_BYTE (FPS_REGNUM)],
ade40d31	104	&inferior_fp_registers.Fpu_fsr,
c369b6a3	105	sizeof (FPU_FSR_TYPE));
dfc82617 RP	106	for (i = FP0_REGNUM; i <= FP0_REGNUM+31; i++)
	107	register_valid[i] = 1;
	108	register_valid[FPS_REGNUM] = 1;
	109	}
	110
	111	/* These regs are saved on the stack by the kernel. Only read them
	112	all (16 ptrace calls!) if we really need them. */
	113	if (regno == -1)
	114	{
	115	target_xfer_memory ((CORE_ADDR)&registers[REGISTER_BYTE (SP_REGNUM)],
	116	&registers[REGISTER_BYTE (L0_REGNUM)],
	117	16*REGISTER_RAW_SIZE (L0_REGNUM), 0);
	118	for (i = L0_REGNUM; i <= I7_REGNUM; i++)
	119	register_valid[i] = 1;
	120	}
	121	else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
	122	{
	123	CORE_ADDR sp = (CORE_ADDR)&registers[REGISTER_BYTE (SP_REGNUM)];
	124	i = REGISTER_BYTE (regno);
	125	if (register_valid[regno])
199b2450	126	printf_unfiltered("register %d valid and read\n", regno);
dfc82617 RP	127	target_xfer_memory (sp + i - REGISTER_BYTE (L0_REGNUM),
	128	&registers[i], REGISTER_RAW_SIZE (regno), 0);
	129	register_valid[regno] = 1;
	130	}
	131	}
	132
	133	/* Store our register values back into the inferior.
	134	If REGNO is -1, do this for all registers.
	135	Otherwise, REGNO specifies which register (so we can save time). */
	136
	137	void
	138	store_inferior_registers (regno)
	139	int regno;
	140	{
	141	struct regs inferior_registers;
	142	struct fp_status inferior_fp_registers;
	143	int wanna_store = INT_REGS + STACK_REGS + FP_REGS;
	144
	145	/* First decide which pieces of machine-state we need to modify.
	146	Default for regno == -1 case is all pieces. */
	147	if (regno >= 0)
	148	if (FP0_REGNUM <= regno && regno < FP0_REGNUM + 32)
	149	{
	150	wanna_store = FP_REGS;
	151	}
	152	else
	153	{
	154	if (regno == SP_REGNUM)
	155	wanna_store = INT_REGS + STACK_REGS;
	156	else if (regno < L0_REGNUM \|\| regno > I7_REGNUM)
	157	wanna_store = INT_REGS;
2ba6182b JG	158	else if (regno == FPS_REGNUM)
2ba6182b JG	159	wanna_store = FP_REGS;
dfc82617 RP	160	else
	161	wanna_store = STACK_REGS;
	162	}
	163
	164	/* See if we're forcing the stores to happen now, or deferring. */
	165	if (regno == -2)
	166	{
	167	wanna_store = deferred_stores;
	168	deferred_stores = 0;
	169	}
	170	else
	171	{
	172	if (wanna_store == STACK_REGS)
	173	{
	174	/* Fall through and just store one stack reg. If we deferred
	175	it, we'd have to store them all, or remember more info. */
	176	}
	177	else
	178	{
	179	deferred_stores \|= wanna_store;
	180	return;
	181	}
	182	}
	183
	184	if (wanna_store & STACK_REGS)
	185	{
	186	CORE_ADDR sp = (CORE_ADDR )&registers[REGISTER_BYTE (SP_REGNUM)];
	187
	188	if (regno < 0 \|\| regno == SP_REGNUM)
	189	{
	190	if (!register_valid[L0_REGNUM+5]) abort();
	191	target_xfer_memory (sp,
	192	&registers[REGISTER_BYTE (L0_REGNUM)],
	193	16*REGISTER_RAW_SIZE (L0_REGNUM), 1);
	194	}
	195	else
	196	{
	197	if (!register_valid[regno]) abort();
	198	target_xfer_memory (sp + REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM),
	199	&registers[REGISTER_BYTE (regno)],
	200	REGISTER_RAW_SIZE (regno), 1);
	201	}
	202
	203	}
	204
	205	if (wanna_store & INT_REGS)
	206	{
	207	if (!register_valid[G1_REGNUM]) abort();
	208
	209	memcpy (&inferior_registers.r_g1, &registers[REGISTER_BYTE (G1_REGNUM)],
	210	15 * REGISTER_RAW_SIZE (G1_REGNUM));
	211
	212	inferior_registers.r_ps =
	213	(int )&registers[REGISTER_BYTE (PS_REGNUM)];
	214	inferior_registers.r_pc =
	215	(int )&registers[REGISTER_BYTE (PC_REGNUM)];
	216	inferior_registers.r_npc =
	217	(int )&registers[REGISTER_BYTE (NPC_REGNUM)];
	218	inferior_registers.r_y =
	219	(int )&registers[REGISTER_BYTE (Y_REGNUM)];
	220
	221	if (0 != ptrace (PTRACE_SETREGS, inferior_pid,
	222	(PTRACE_ARG3_TYPE) &inferior_registers, 0))
	223	perror("ptrace_setregs");
224	}
225
226	if (wanna_store & FP_REGS)
227	{
228	if (!register_valid[FP0_REGNUM+9]) abort();
229	memcpy (&inferior_fp_registers, &registers[REGISTER_BYTE (FP0_REGNUM)],
230	sizeof inferior_fp_registers.fpu_fr);
c369b6a3	231	memcpy (&inferior_fp_registers.Fpu_fsr,
dfc82617	232	&registers[REGISTER_BYTE (FPS_REGNUM)], sizeof (FPU_FSR_TYPE));
dfc82617 RP	233	if (0 !=
	234	ptrace (PTRACE_SETFPREGS, inferior_pid,
	235	(PTRACE_ARG3_TYPE) &inferior_fp_registers, 0))
	236	perror("ptrace_setfpregs");
	237	}
	238	}
	239
	240
	241	void
	242	fetch_core_registers (core_reg_sect, core_reg_size, which, ignore)
	243	char *core_reg_sect;
	244	unsigned core_reg_size;
	245	int which;
	246	unsigned int ignore; /* reg addr, unused in this version */
	247	{
	248
	249	if (which == 0) {
	250
	251	/* Integer registers */
	252
	253	#define gregs ((struct regs *)core_reg_sect)
	254	/* G0 always holds 0. */
	255	(int )&registers[REGISTER_BYTE (0)] = 0;
	256
	257	/* The globals and output registers. */
	258	memcpy (&registers[REGISTER_BYTE (G1_REGNUM)], &gregs->r_g1,
	259	15 * REGISTER_RAW_SIZE (G1_REGNUM));
	260	(int )&registers[REGISTER_BYTE (PS_REGNUM)] = gregs->r_ps;
	261	(int )&registers[REGISTER_BYTE (PC_REGNUM)] = gregs->r_pc;
	262	(int )&registers[REGISTER_BYTE (NPC_REGNUM)] = gregs->r_npc;
	263	(int )&registers[REGISTER_BYTE (Y_REGNUM)] = gregs->r_y;
	264
	265	/* My best guess at where to get the locals and input
	266	registers is exactly where they usually are, right above
	267	the stack pointer. If the core dump was caused by a bus error
	268	from blowing away the stack pointer (as is possible) then this
	269	won't work, but it's worth the try. */
	270	{
	271	int sp;
	272
	273	sp = (int )&registers[REGISTER_BYTE (SP_REGNUM)];
	274	if (0 != target_read_memory (sp, &registers[REGISTER_BYTE (L0_REGNUM)],
	275	16 * REGISTER_RAW_SIZE (L0_REGNUM)))
	276	{
199b2450 TL	277	/* fprintf_unfiltered so user can still use gdb */
199b2450 TL	278	fprintf_unfiltered (gdb_stderr,
dfc82617 RP	279	"Couldn't read input and local registers from core file\n");
	280	}
	281	}
	282	} else if (which == 2) {
	283
	284	/* Floating point registers */
	285
	286	#define fpuregs ((struct fpu *) core_reg_sect)
	287	if (core_reg_size >= sizeof (struct fpu))
	288	{
	289	memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)], fpuregs->fpu_regs,
	290	sizeof (fpuregs->fpu_regs));
	291	memcpy (&registers[REGISTER_BYTE (FPS_REGNUM)], &fpuregs->fpu_fsr,
	292	sizeof (FPU_FSR_TYPE));
	293	}
	294	else
199b2450	295	fprintf_unfiltered (gdb_stderr, "Couldn't read float regs from core file\n");
dfc82617 RP	296	}
	297	}
	298
7531f36e FF	299	int
	300	kernel_u_size ()
	301	{
	302	return (sizeof (struct user));
	303	}