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-rw-r--r--gdb/sparc-nat.c201
1 files changed, 105 insertions, 96 deletions
diff --git a/gdb/sparc-nat.c b/gdb/sparc-nat.c
index 3f5f8bf..be5308b 100644
--- a/gdb/sparc-nat.c
+++ b/gdb/sparc-nat.c
@@ -1,21 +1,22 @@
/* 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 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 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.
+ 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. */
+ 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"
@@ -59,7 +60,8 @@ fetch_inferior_registers (regno)
/* 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();
+ if (deferred_stores)
+ abort ();
DO_DEFERRED_STORES;
@@ -68,21 +70,21 @@ fetch_inferior_registers (regno)
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 */
+ 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");
-
+ (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;
+ *(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;
@@ -91,7 +93,7 @@ fetch_inferior_registers (regno)
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. */
+ 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 */
@@ -103,15 +105,15 @@ fetch_inferior_registers (regno)
(regno >= FP0_REGNUM && regno <= FP0_REGNUM + 31))
{
if (0 != ptrace (PTRACE_GETFPREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_fp_registers,
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers,
0))
- perror("ptrace_getfpregs");
+ 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++)
+ &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;
}
@@ -120,18 +122,18 @@ fetch_inferior_registers (regno)
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));
+ 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)];
+ 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);
+ 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;
@@ -157,7 +159,7 @@ store_inferior_registers (regno)
{
wanna_store = FP_REGS;
}
- else
+ else
{
if (regno == SP_REGNUM)
wanna_store = INT_REGS + STACK_REGS;
@@ -191,117 +193,124 @@ store_inferior_registers (regno)
if (wanna_store & STACK_REGS)
{
- CORE_ADDR sp = *(CORE_ADDR *)&registers[REGISTER_BYTE (SP_REGNUM)];
+ 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,
+ if (!register_valid[L0_REGNUM + 5])
+ abort ();
+ target_write_memory (sp,
&registers[REGISTER_BYTE (L0_REGNUM)],
- 16*REGISTER_RAW_SIZE (L0_REGNUM));
+ 16 * REGISTER_RAW_SIZE (L0_REGNUM));
}
else
{
- if (!register_valid[regno]) abort();
+ 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();
+ 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)];
+ *(int *) &registers[REGISTER_BYTE (PS_REGNUM)];
inferior_registers.r_pc =
- *(int *)&registers[REGISTER_BYTE (PC_REGNUM)];
+ *(int *) &registers[REGISTER_BYTE (PC_REGNUM)];
inferior_registers.r_npc =
- *(int *)&registers[REGISTER_BYTE (NPC_REGNUM)];
+ *(int *) &registers[REGISTER_BYTE (NPC_REGNUM)];
inferior_registers.r_y =
- *(int *)&registers[REGISTER_BYTE (Y_REGNUM)];
+ *(int *) &registers[REGISTER_BYTE (Y_REGNUM)];
if (0 != ptrace (PTRACE_SETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers, 0))
- perror("ptrace_setregs");
+ (PTRACE_ARG3_TYPE) & inferior_registers, 0))
+ perror ("ptrace_setregs");
}
if (wanna_store & FP_REGS)
{
- if (!register_valid[FP0_REGNUM+9]) abort();
+ 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,
+ 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");
+ 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 */
+ char *core_reg_sect;
+ unsigned core_reg_size;
+ int which;
+ CORE_ADDR ignore; /* reg addr, unused in this version */
{
- if (which == 0) {
+ if (which == 0)
+ {
- /* Integer registers */
+ /* 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;
+ /* G0 *always* holds 0. */
+ *(int *) &registers[REGISTER_BYTE (0)] = 0;
- 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");
- }
+ /* 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) {
+ else if (which == 2)
+ {
- /* Floating point registers */
+ /* 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");
- }
+ 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
@@ -309,8 +318,8 @@ 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? */
generated by cgit v1.1 at 2024-11-04 17:30:34 +0000