d747e0af3d
* All GDB files that #include defs.h: Removed stdio.h. (defs.h): #include stdio.h. This has been tested by building GDBs for all targets hosted on Sun4. None of the build problems were related to stdio.h inclusion. (n.b. many configurations don't build for other reasons.)
153 lines
4.3 KiB
C
153 lines
4.3 KiB
C
/* Host-dependent code for Apollo-68ksfor GDB, the GNU debugger.
|
|
Copyright 1986, 1987, 1989, 1991 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
#include "defs.h"
|
|
#include "inferior.h"
|
|
#include "gdbcore.h"
|
|
|
|
extern int errno;
|
|
|
|
#if defined (GDB_TARGET_IS_SUN3)
|
|
/* All of this stuff is only relevant if both host and target are sun3. */
|
|
void
|
|
fetch_inferior_registers ()
|
|
{
|
|
struct regs inferior_registers;
|
|
#ifdef FP0_REGNUM
|
|
struct fp_status inferior_fp_registers;
|
|
#endif
|
|
extern char registers[];
|
|
|
|
registers_fetched ();
|
|
|
|
ptrace (PTRACE_GETREGS, inferior_pid, &inferior_registers);
|
|
#ifdef FP0_REGNUM
|
|
ptrace (PTRACE_GETFPREGS, inferior_pid, &inferior_fp_registers);
|
|
#endif
|
|
|
|
bcopy (&inferior_registers, registers, 16 * 4);
|
|
#ifdef FP0_REGNUM
|
|
bcopy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)],
|
|
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
|
|
bcopy (&inferior_fp_registers.fps_control,
|
|
®isters[REGISTER_BYTE (FPC_REGNUM)],
|
|
sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs);
|
|
#endif
|
|
}
|
|
|
|
/* 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). */
|
|
|
|
store_inferior_registers (regno)
|
|
int regno;
|
|
{
|
|
struct regs inferior_registers;
|
|
#ifdef FP0_REGNUM
|
|
struct fp_status inferior_fp_registers;
|
|
#endif
|
|
extern char registers[];
|
|
|
|
bcopy (registers, &inferior_registers, 16 * 4);
|
|
#ifdef FP0_REGNUM
|
|
bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers,
|
|
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
|
|
bcopy (®isters[REGISTER_BYTE (FPC_REGNUM)],
|
|
&inferior_fp_registers.fps_control,
|
|
sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs);
|
|
#endif
|
|
|
|
ptrace (PTRACE_SETREGS, inferior_pid, &inferior_registers);
|
|
#if FP0_REGNUM
|
|
ptrace (PTRACE_SETFPREGS, inferior_pid, &inferior_fp_registers);
|
|
#endif
|
|
}
|
|
|
|
/* Machine-dependent code for pulling registers out of a Sun-3 core file. */
|
|
|
|
void
|
|
fetch_core_registers (core_reg_sect, core_reg_size, which)
|
|
char *core_reg_sect;
|
|
unsigned core_reg_size;
|
|
int which;
|
|
{
|
|
extern char registers[];
|
|
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");
|
|
|
|
bcopy ((char *)regs, registers, 16 * 4);
|
|
supply_register (PS_REGNUM, ®s->r_ps);
|
|
supply_register (PC_REGNUM, ®s->r_pc);
|
|
|
|
} else if (which == 2) {
|
|
|
|
#define fpustruct ((struct fpu *) core_reg_sect)
|
|
|
|
if (core_reg_size >= sizeof (struct fpu))
|
|
{
|
|
#ifdef FP0_REGNUM
|
|
bcopy (fpustruct->f_fpstatus.fps_regs,
|
|
®isters[REGISTER_BYTE (FP0_REGNUM)],
|
|
sizeof fpustruct->f_fpstatus.fps_regs);
|
|
bcopy (&fpustruct->f_fpstatus.fps_control,
|
|
®isters[REGISTER_BYTE (FPC_REGNUM)],
|
|
sizeof fpustruct->f_fpstatus -
|
|
sizeof fpustruct->f_fpstatus.fps_regs);
|
|
#endif
|
|
}
|
|
else
|
|
fprintf (stderr, "Couldn't read float regs from core file\n");
|
|
}
|
|
}
|
|
#else /* Not sun3 target. */
|
|
/* These functions shouldn't be called when we're cross-debugging. */
|
|
|
|
void
|
|
fetch_inferior_registers ()
|
|
{
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
store_inferior_registers (regno)
|
|
int regno;
|
|
{
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
void
|
|
fetch_core_registers (core_reg_sect, core_reg_size, which)
|
|
char *core_reg_sect;
|
|
unsigned core_reg_size;
|
|
int which;
|
|
{
|
|
}
|
|
#endif /* Not sun3 target. */
|