binutils-gdb/gdb/gdbserver/linux-x86-64-low.c

88 lines
2.2 KiB
C

/* GNU/Linux/x86-64 specific low level interface, for the remote server
for GDB.
Copyright 2002
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 "server.h"
#include "linux-low.h"
#include "i387-fp.h"
#include <sys/reg.h>
#include <sys/procfs.h>
#include <sys/ptrace.h>
static int x86_64_regmap[] = {
RAX * 8, RBX * 8, RCX * 8, RDX * 8,
RSI * 8, RDI * 8, RBP * 8, RSP * 8,
R8 * 8, R9 * 8, R10 * 8, R11 * 8,
R12 * 8, R13 * 8, R14 * 8, R15 * 8,
RIP * 8, EFLAGS * 8, CS * 8, SS * 8,
DS * 8, ES * 8, FS * 8, GS * 8
};
#define X86_64_NUM_GREGS (sizeof(x86_64_regmap)/sizeof(int))
static void
x86_64_fill_gregset (void *buf)
{
int i;
for (i = 0; i < X86_64_NUM_GREGS; i++)
collect_register (i, ((char *) buf) + x86_64_regmap[i]);
}
static void
x86_64_store_gregset (const void *buf)
{
int i;
for (i = 0; i < X86_64_NUM_GREGS; i++)
supply_register (i, ((char *) buf) + x86_64_regmap[i]);
}
static void
x86_64_fill_fpregset (void *buf)
{
i387_cache_to_fxsave (buf);
}
static void
x86_64_store_fpregset (const void *buf)
{
i387_fxsave_to_cache (buf);
}
struct regset_info target_regsets[] = {
{ PTRACE_GETREGS, PTRACE_SETREGS, sizeof (elf_gregset_t),
GENERAL_REGS,
x86_64_fill_gregset, x86_64_store_gregset },
{ PTRACE_GETFPREGS, PTRACE_SETFPREGS, sizeof (elf_fpregset_t),
FP_REGS,
x86_64_fill_fpregset, x86_64_store_fpregset },
{ 0, 0, -1, -1, NULL, NULL }
};
struct linux_target_ops the_low_target = {
-1,
NULL,
NULL,
NULL,
};