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/* i386 specific core note handling.
Copyright (C) 2007-2010 Red Hat, Inc.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <elf.h>
#include <inttypes.h>
#include <stddef.h>
#include <stdio.h>
#include <sys/time.h>
#define BACKEND i386_
#include "libebl_CPU.h"
static const Ebl_Register_Location prstatus_regs[] =
{
#define GR(at, n, dwreg) \
{ .offset = at * 4, .regno = dwreg, .count = n, .bits = 32 }
#define SR(at, n, dwreg) \
{ .offset = at * 4, .regno = dwreg, .count = n, .bits = 16, .pad = 2 }
GR (0, 1, 3), /* %ebx */
GR (1, 2, 1), /* %ecx-%edx */
GR (3, 2, 6), /* %esi-%edi */
GR (5, 1, 5), /* %ebp */
GR (6, 1, 0), /* %eax */
SR (7, 1, 43), /* %ds */
SR (8, 1, 40), /* %es */
SR (9, 1, 44), /* %fs */
SR (10, 1, 45), /* %gs */
/* 11, 1, orig_eax */
GR (12, 1, 8), /* %eip */
SR (13, 1, 41), /* %cs */
GR (14, 1, 9), /* eflags */
GR (15, 1, 4), /* %esp */
SR (16, 1, 42), /* %ss */
#undef GR
#undef SR
};
#define PRSTATUS_REGS_SIZE (17 * 4)
#define ULONG uint32_t
#define PID_T int32_t
#define UID_T uint16_t
#define GID_T uint16_t
#define ALIGN_ULONG 4
#define ALIGN_PID_T 4
#define ALIGN_UID_T 2
#define ALIGN_GID_T 2
#define TYPE_ULONG ELF_T_WORD
#define TYPE_PID_T ELF_T_SWORD
#define TYPE_UID_T ELF_T_HALF
#define TYPE_GID_T ELF_T_HALF
#define PRSTATUS_REGSET_ITEMS \
{ \
.name = "orig_eax", .type = ELF_T_SWORD, .format = 'd', \
.offset = offsetof (struct EBLHOOK(prstatus), pr_reg) + (4 * 11), \
.group = "register" \
}
static const Ebl_Register_Location fpregset_regs[] =
{
{ .offset = 0, .regno = 37, .count = 2, .bits = 32 }, /* fctrl-fstat */
{ .offset = 7 * 4, .regno = 11, .count = 8, .bits = 80 }, /* stN */
};
#define FPREGSET_SIZE 108
static const Ebl_Register_Location prxfpreg_regs[] =
{
{ .offset = 0, .regno = 37, .count = 2, .bits = 16 }, /* fctrl-fstat */
{ .offset = 24, .regno = 39, .count = 1, .bits = 32 }, /* mxcsr */
{ .offset = 32, .regno = 11, .count = 8, .bits = 80, .pad = 6 }, /* stN */
{ .offset = 32 + 128, .regno = 21, .count = 8, .bits = 128 }, /* xmm */
};
#define EXTRA_NOTES \
EXTRA_REGSET (NT_PRXFPREG, 512, prxfpreg_regs) \
case NT_386_TLS: \
return tls_info (nhdr->n_descsz, regs_offset, nregloc, reglocs, \
nitems, items); \
EXTRA_NOTES_IOPERM
static const Ebl_Core_Item tls_items[] =
{
{ .type = ELF_T_WORD, .offset = 0x0, .format = 'd', .name = "index" },
{ .type = ELF_T_WORD, .offset = 0x4, .format = 'x', .name = "base" },
{ .type = ELF_T_WORD, .offset = 0x8, .format = 'x', .name = "limit" },
{ .type = ELF_T_WORD, .offset = 0xc, .format = 'x', .name = "flags" },
};
static int
tls_info (GElf_Word descsz, GElf_Word *regs_offset,
size_t *nregloc, const Ebl_Register_Location **reglocs,
size_t *nitems, const Ebl_Core_Item **items)
{
if (descsz % 16 != 0)
return 0;
*regs_offset = 0;
*nregloc = 0;
*reglocs = NULL;
*nitems = sizeof tls_items / sizeof tls_items[0];
*items = tls_items;
return 1;
}
#include "x86_corenote.c"
#include "linux-core-note.c"
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