mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-25 19:14:52 +08:00
18bbbd9e52
whether a register is supplied by PTRACE_GETFPREGS. (store_inferior_registers): Likewise. * amd64bsd-nat.c (fetch_inferior_registers): Correctly check whether a register is supplied by PT_GETFPREGS. (store_inferior_registers): Likewise.
108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/* Native-dependent code for AMD64 BSD's.
|
||
|
||
Copyright 2003, 2004 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 "amd64-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 || !amd64_native_gregset_supplies_p (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");
|
||
|
||
amd64_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 || !amd64_native_gregset_supplies_p (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");
|
||
|
||
amd64_collect_fxsave (current_regcache, regnum, &fpregs);
|
||
|
||
if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
|
||
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
|
||
perror_with_name ("Couldn't write floating point status");
|
||
}
|
||
}
|