146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
/* Native-dependent code for PowerPC's running NetBSD, for GDB.
|
|
Copyright 1988, 1989, 1991, 1992, 1994, 1996, 2000, 2001
|
|
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 <sys/types.h>
|
|
#include <sys/ptrace.h>
|
|
#include <machine/reg.h>
|
|
#include <machine/frame.h>
|
|
|
|
#include "defs.h"
|
|
#include "inferior.h"
|
|
#include "gdbcore.h"
|
|
#include "ppc-tdep.h"
|
|
#include "regcache.h"
|
|
|
|
#define RF(dst, src) \
|
|
memcpy(®isters[REGISTER_BYTE(dst)], &src, sizeof(src))
|
|
|
|
#define RS(src, dst) \
|
|
memcpy(&dst, ®isters[REGISTER_BYTE(src)], sizeof(dst))
|
|
|
|
void
|
|
fetch_inferior_registers (int regno)
|
|
{
|
|
struct reg inferior_registers;
|
|
#ifdef PT_GETFPREGS
|
|
struct fpreg inferior_fp_registers;
|
|
#endif
|
|
int i;
|
|
|
|
ptrace (PT_GETREGS, inferior_pid,
|
|
(PTRACE_ARG3_TYPE) & inferior_registers, 0);
|
|
for (i = 0; i < 32; i++)
|
|
RF (i, inferior_registers.fixreg[i]);
|
|
RF (PPC_LR_REGNUM, inferior_registers.lr);
|
|
RF (PPC_CR_REGNUM, inferior_registers.cr);
|
|
RF (PPC_XER_REGNUM, inferior_registers.xer);
|
|
RF (PPC_CTR_REGNUM, inferior_registers.ctr);
|
|
RF (PC_REGNUM, inferior_registers.pc);
|
|
|
|
#ifdef PT_GETFPREGS
|
|
ptrace (PT_GETFPREGS, inferior_pid,
|
|
(PTRACE_ARG3_TYPE) &inferior_fp_registers, 0);
|
|
for (i = 0; i < 32; i++)
|
|
RF (FP0_REGNUM + i, inferior_fp_registers.r_regs[i]);
|
|
#endif
|
|
|
|
registers_fetched ();
|
|
}
|
|
|
|
void
|
|
store_inferior_registers (int regno)
|
|
{
|
|
struct reg inferior_registers;
|
|
#ifdef PT_SETFPREGS
|
|
struct fpreg inferior_fp_registers;
|
|
#endif
|
|
int i;
|
|
|
|
for (i = 0; i < 32; i++)
|
|
RS (i, inferior_registers.fixreg[i]);
|
|
RS (PPC_LR_REGNUM, inferior_registers.lr);
|
|
RS (PPC_CR_REGNUM, inferior_registers.cr);
|
|
RS (PPC_XER_REGNUM, inferior_registers.xer);
|
|
RS (PPC_CTR_REGNUM, inferior_registers.ctr);
|
|
RS (PC_REGNUM, inferior_registers.pc);
|
|
|
|
ptrace (PT_SETREGS, inferior_pid,
|
|
(PTRACE_ARG3_TYPE) & inferior_registers, 0);
|
|
|
|
#ifdef PT_SETFPREGS
|
|
for (i = 0; i < 32; i++)
|
|
RS (FP0_REGNUM + i, inferior_fp_registers.r_regs[i]);
|
|
ptrace (PT_SETFPREGS, inferior_pid,
|
|
(PTRACE_ARG3_TYPE) & inferior_fp_registers, 0);
|
|
#endif
|
|
}
|
|
|
|
struct md_core
|
|
{
|
|
struct reg intreg;
|
|
#ifdef PT_GETFPREGS
|
|
struct fpreg freg;
|
|
#endif
|
|
};
|
|
|
|
void
|
|
fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
|
|
CORE_ADDR ignore)
|
|
{
|
|
struct md_core *core_reg = (struct md_core *) core_reg_sect;
|
|
int i;
|
|
|
|
/* Integer registers */
|
|
for (i = 0; i < 32; i++)
|
|
RF (i, core_reg->intreg.fixreg[i]);
|
|
RF (PPC_LR_REGNUM, core_reg->intreg.lr);
|
|
RF (PPC_CR_REGNUM, core_reg->intreg.cr);
|
|
RF (PPC_XER_REGNUM, core_reg->intreg.xer);
|
|
RF (PPC_CTR_REGNUM, core_reg->intreg.ctr);
|
|
RF (PC_REGNUM, core_reg->intreg.pc);
|
|
|
|
#ifdef PT_FPGETREGS
|
|
/* Floating point registers */
|
|
for (i = 0; i < 32; i++)
|
|
RF (FP0_REGNUM + i, core_reg->freg.r_regs[i]);
|
|
#endif
|
|
|
|
registers_fetched ();
|
|
}
|
|
|
|
/* Register that we are able to handle ppcnbsd core file formats.
|
|
FIXME: is this really bfd_target_unknown_flavour? */
|
|
|
|
static struct core_fns ppcnbsd_core_fns =
|
|
{
|
|
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_ppcnbsd_nat (void)
|
|
{
|
|
add_core_fns (&ppcnbsd_core_fns);
|
|
}
|