108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/* Native-dependent code for AMD64 BSD's.
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Copyright 2003 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "inferior.h"
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#include "regcache.h"
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/* We include <signal.h> to make sure `struct fxsave64' is defined on
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NetBSD, since NetBSD's <machine/reg.h> needs it. */
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#include "gdb_assert.h"
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/ptrace.h>
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#include <machine/reg.h>
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#include "x86-64-tdep.h"
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#include "amd64-nat.h"
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/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
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for all registers (including the floating-point registers). */
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void
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fetch_inferior_registers (int regnum)
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{
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if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
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{
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struct reg regs;
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) ®s, 0) == -1)
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perror_with_name ("Couldn't get registers");
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amd64_supply_native_gregset (current_regcache, ®s, -1);
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if (regnum != -1)
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return;
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}
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if (regnum == -1 || regnum >= X86_64_ST0_REGNUM)
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{
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struct fpreg fpregs;
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if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
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perror_with_name ("Couldn't get floating point status");
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x86_64_supply_fxsave (current_regcache, -1, &fpregs);
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}
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}
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/* Store register REGNUM back into the inferior. If REGNUM is -1, do
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this for all registers (including the floating-point registers). */
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void
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store_inferior_registers (int regnum)
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{
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if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
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{
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struct reg regs;
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) ®s, 0) == -1)
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perror_with_name ("Couldn't get registers");
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amd64_collect_native_gregset (current_regcache, ®s, regnum);
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if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) ®s, 0) == -1)
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perror_with_name ("Couldn't write registers");
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if (regnum != -1)
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return;
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}
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if (regnum == -1 || regnum >= X86_64_ST0_REGNUM)
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{
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struct fpreg fpregs;
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if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
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perror_with_name ("Couldn't get floating point status");
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x86_64_fill_fxsave ((char *) &fpregs, regnum);
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if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
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perror_with_name ("Couldn't write floating point status");
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}
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}
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