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/* Native-dependent code for AMD64 BSD's.
Copyright 2003 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 "regcache.h"
/* We include <signal.h> to make sure `struct fxsave64' is defined on
NetBSD, since NetBSD's <machine/reg.h> needs it. */
#include "gdb_assert.h"
#include <signal.h>
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include "x86-64-tdep.h"
#include "amd64-nat.h"
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
for all registers (including the floating-point registers). */
void
fetch_inferior_registers (int regnum)
{
if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
perror_with_name ("Couldn't get registers");
amd64_supply_native_gregset (current_regcache, ®s, -1);
if (regnum != -1)
return;
}
if (regnum == -1 || regnum >= X86_64_ST0_REGNUM)
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
perror_with_name ("Couldn't get floating point status");
x86_64_supply_fxsave (current_regcache, -1, &fpregs);
}
}
/* Store register REGNUM back into the inferior. If REGNUM is -1, do
this for all registers (including the floating-point registers). */
void
store_inferior_registers (int regnum)
{
if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
perror_with_name ("Couldn't get registers");
amd64_collect_native_gregset (current_regcache, ®s, regnum);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
perror_with_name ("Couldn't write registers");
if (regnum != -1)
return;
}
if (regnum == -1 || regnum >= X86_64_ST0_REGNUM)
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
perror_with_name ("Couldn't get floating point status");
x86_64_fill_fxsave ((char *) &fpregs, regnum);
if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
perror_with_name ("Couldn't write floating point status");
}
}
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