/* Host-dependent code for Sun-3 for GDB, the GNU debugger.
- Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1996, 1999, 2000, 2001
+ 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"
#include "gdbcore.h"
+#include "regcache.h"
#include <sys/ptrace.h>
-#define KERNEL /* To get floating point reg definitions */
+#define KERNEL /* To get floating point reg definitions */
#include <machine/reg.h>
-static void fetch_core_registers PARAMS ((char *, unsigned, int, CORE_ADDR));
+static void fetch_core_registers (char *, unsigned, int, CORE_ADDR);
void
-fetch_inferior_registers (regno)
- int regno;
+fetch_inferior_registers (int regno)
{
struct regs inferior_registers;
-#ifdef FP0_REGNUM
struct fp_status inferior_fp_registers;
-#endif
-
- registers_fetched ();
-
- ptrace (PTRACE_GETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers);
-#ifdef FP0_REGNUM
- ptrace (PTRACE_GETFPREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_fp_registers);
-#endif
-
- memcpy (registers, &inferior_registers, 16 * 4);
-#ifdef FP0_REGNUM
- memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers,
- sizeof inferior_fp_registers.fps_regs);
-#endif
- *(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps;
- *(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc;
-#ifdef FP0_REGNUM
- memcpy (®isters[REGISTER_BYTE (FPC_REGNUM)],
- &inferior_fp_registers.fps_control,
- sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs);
-#endif
+
+ deprecated_registers_fetched ();
+
+ ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_registers);
+
+ if (FP0_REGNUM >= 0)
+ ptrace (PTRACE_GETFPREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers);
+
+ memcpy (deprecated_registers, &inferior_registers, 16 * 4);
+ if (FP0_REGNUM >= 0)
+ memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
+ &inferior_fp_registers, sizeof inferior_fp_registers.fps_regs);
+
+ *(int *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps;
+ *(int *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc;
+ if (FP0_REGNUM >= 0)
+ memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FPC_REGNUM)],
+ &inferior_fp_registers.fps_control,
+ sizeof inferior_fp_registers -
+ sizeof inferior_fp_registers.fps_regs);
}
/* Store our register values back into the inferior.
Otherwise, REGNO specifies which register (so we can save time). */
void
-store_inferior_registers (regno)
- int regno;
+store_inferior_registers (int regno)
{
struct regs inferior_registers;
-#ifdef FP0_REGNUM
struct fp_status inferior_fp_registers;
-#endif
-
- memcpy (&inferior_registers, registers, 16 * 4);
-#ifdef FP0_REGNUM
- memcpy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)],
- sizeof inferior_fp_registers.fps_regs);
-#endif
- inferior_registers.r_ps = *(int *)®isters[REGISTER_BYTE (PS_REGNUM)];
- inferior_registers.r_pc = *(int *)®isters[REGISTER_BYTE (PC_REGNUM)];
-
-#ifdef FP0_REGNUM
- memcpy (&inferior_fp_registers.fps_control,
- ®isters[REGISTER_BYTE (FPC_REGNUM)],
- sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs);
-#endif
-
- ptrace (PTRACE_SETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers);
-#if FP0_REGNUM
- ptrace (PTRACE_SETFPREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_fp_registers);
-#endif
+
+ memcpy (&inferior_registers, deprecated_registers, 16 * 4);
+ if (FP0_REGNUM >= 0)
+ memcpy (&inferior_fp_registers,
+ &deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
+ sizeof inferior_fp_registers.fps_regs);
+
+ inferior_registers.r_ps = *(int *) &&deprecated_registers[DEPRECATED_REGISTER_BYTE (PS_REGNUM)];
+ inferior_registers.r_pc = *(int *) &&deprecated_registers[DEPRECATED_REGISTER_BYTE (PC_REGNUM)];
+
+ if (FP0_REGNUM >= 0)
+ memcpy (&inferior_fp_registers.fps_control,
+ &&deprecated_registers[DEPRECATED_REGISTER_BYTE (FPC_REGNUM)],
+ sizeof inferior_fp_registers -
+ sizeof inferior_fp_registers.fps_regs);
+
+ ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_registers);
+ if (FP0_REGNUM >= 0)
+ ptrace (PTRACE_SETFPREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers);
}
/* All of this stuff is only relevant if both host and target are sun3. */
-/* Machine-dependent code for pulling registers out of a Sun-3 core file. */
+
+/* Provide registers to GDB from a core file.
+
+ CORE_REG_SECT points to an array of bytes, which were obtained from
+ a core file which BFD thinks might contain register contents.
+ CORE_REG_SIZE is its size.
+
+ WHICH says which register set corelow suspects this is:
+ 0 --- the general-purpose register set
+ 2 --- the floating-point register set
+
+ REG_ADDR isn't used. */
static void
-fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
- CORE_ADDR reg_addr; /* Unused in this version */
+fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
+ int which, CORE_ADDR reg_addr)
{
struct regs *regs = (struct regs *) core_reg_sect;
- if (which == 0) {
- if (core_reg_size < sizeof (struct regs))
- error ("Can't find registers in core file");
+ if (which == 0)
+ {
+ if (core_reg_size < sizeof (struct regs))
+ error ("Can't find registers in core file");
- memcpy (registers, (char *)regs, 16 * 4);
- supply_register (PS_REGNUM, (char *)®s->r_ps);
- supply_register (PC_REGNUM, (char *)®s->r_pc);
+ memcpy (&deprecated_registers, (char *) regs, 16 * 4);
+ supply_register (PS_REGNUM, (char *) ®s->r_ps);
+ supply_register (PC_REGNUM, (char *) ®s->r_pc);
- } else if (which == 2) {
+ }
+ else if (which == 2)
+ {
#define fpustruct ((struct fpu *) core_reg_sect)
- if (core_reg_size >= sizeof (struct fpu))
- {
-#ifdef FP0_REGNUM
- memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)],
- fpustruct->f_fpstatus.fps_regs,
- sizeof fpustruct->f_fpstatus.fps_regs);
- memcpy (®isters[REGISTER_BYTE (FPC_REGNUM)],
- &fpustruct->f_fpstatus.fps_control,
- sizeof fpustruct->f_fpstatus -
- sizeof fpustruct->f_fpstatus.fps_regs);
-#endif
- }
- else
- fprintf_unfiltered (gdb_stderr, "Couldn't read float regs from core file\n");
- }
+ if (core_reg_size >= sizeof (struct fpu))
+ {
+ if (FP0_REGNUM >= 0)
+ {
+ memcpy (&&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
+ fpustruct->f_fpstatus.fps_regs,
+ sizeof fpustruct->f_fpstatus.fps_regs);
+ memcpy (&&deprecated_registers[DEPRECATED_REGISTER_BYTE (FPC_REGNUM)],
+ &fpustruct->f_fpstatus.fps_control,
+ sizeof fpustruct->f_fpstatus -
+ sizeof fpustruct->f_fpstatus.fps_regs);
+ }
+ }
+ else
+ fprintf_unfiltered (gdb_stderr,
+ "Couldn't read float regs from core file\n");
+ }
}
-
\f
+
/* Register that we are able to handle sun3 core file formats.
FIXME: is this really bfd_target_unknown_flavour? */
static struct core_fns sun3_core_fns =
{
- bfd_target_unknown_flavour,
- fetch_core_registers,
- NULL
+ bfd_target_unknown_flavour, /* core_flavour */
+ default_check_format, /* check_format */
+ default_core_sniffer, /* core_sniffer */
+ fetch_core_registers, /* core_read_registers */
+ NULL /* next */
};
void
-_initialize_core_sun3 ()
+_initialize_core_sun3 (void)
{
add_core_fns (&sun3_core_fns);
}
projects / thirdparty / binutils-gdb.git / blobdiff