mirror of
https://github.com/autc04/Retro68.git
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139 lines
4.1 KiB
C
139 lines
4.1 KiB
C
/* i386 specific core note handling.
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Copyright (C) 2007-2010 Red Hat, Inc.
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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it under the terms of either
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at
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your option) any later version
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at
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your option) any later version
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or both in parallel, as here.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <elf.h>
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#include <inttypes.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <sys/time.h>
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#define BACKEND i386_
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#include "libebl_CPU.h"
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static const Ebl_Register_Location prstatus_regs[] =
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{
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#define GR(at, n, dwreg) \
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{ .offset = at * 4, .regno = dwreg, .count = n, .bits = 32 }
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#define SR(at, n, dwreg) \
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{ .offset = at * 4, .regno = dwreg, .count = n, .bits = 16, .pad = 2 }
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GR (0, 1, 3), /* %ebx */
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GR (1, 2, 1), /* %ecx-%edx */
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GR (3, 2, 6), /* %esi-%edi */
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GR (5, 1, 5), /* %ebp */
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GR (6, 1, 0), /* %eax */
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SR (7, 1, 43), /* %ds */
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SR (8, 1, 40), /* %es */
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SR (9, 1, 44), /* %fs */
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SR (10, 1, 45), /* %gs */
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/* 11, 1, orig_eax */
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GR (12, 1, 8), /* %eip */
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SR (13, 1, 41), /* %cs */
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GR (14, 1, 9), /* eflags */
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GR (15, 1, 4), /* %esp */
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SR (16, 1, 42), /* %ss */
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#undef GR
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#undef SR
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};
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#define PRSTATUS_REGS_SIZE (17 * 4)
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#define ULONG uint32_t
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#define PID_T int32_t
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#define UID_T uint16_t
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#define GID_T uint16_t
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#define ALIGN_ULONG 4
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#define ALIGN_PID_T 4
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#define ALIGN_UID_T 2
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#define ALIGN_GID_T 2
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#define TYPE_ULONG ELF_T_WORD
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#define TYPE_PID_T ELF_T_SWORD
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#define TYPE_UID_T ELF_T_HALF
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#define TYPE_GID_T ELF_T_HALF
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#define PRSTATUS_REGSET_ITEMS \
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{ \
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.name = "orig_eax", .type = ELF_T_SWORD, .format = 'd', \
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.offset = offsetof (struct EBLHOOK(prstatus), pr_reg) + (4 * 11), \
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.group = "register" \
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}
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static const Ebl_Register_Location fpregset_regs[] =
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{
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{ .offset = 0, .regno = 37, .count = 2, .bits = 32 }, /* fctrl-fstat */
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{ .offset = 7 * 4, .regno = 11, .count = 8, .bits = 80 }, /* stN */
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};
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#define FPREGSET_SIZE 108
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static const Ebl_Register_Location prxfpreg_regs[] =
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{
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{ .offset = 0, .regno = 37, .count = 2, .bits = 16 }, /* fctrl-fstat */
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{ .offset = 24, .regno = 39, .count = 1, .bits = 32 }, /* mxcsr */
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{ .offset = 32, .regno = 11, .count = 8, .bits = 80, .pad = 6 }, /* stN */
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{ .offset = 32 + 128, .regno = 21, .count = 8, .bits = 128 }, /* xmm */
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};
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#define EXTRA_NOTES \
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EXTRA_REGSET (NT_PRXFPREG, 512, prxfpreg_regs) \
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case NT_386_TLS: \
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return tls_info (nhdr->n_descsz, regs_offset, nregloc, reglocs, \
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nitems, items); \
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EXTRA_NOTES_IOPERM
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static const Ebl_Core_Item tls_items[] =
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{
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{ .type = ELF_T_WORD, .offset = 0x0, .format = 'd', .name = "index" },
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{ .type = ELF_T_WORD, .offset = 0x4, .format = 'x', .name = "base" },
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{ .type = ELF_T_WORD, .offset = 0x8, .format = 'x', .name = "limit" },
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{ .type = ELF_T_WORD, .offset = 0xc, .format = 'x', .name = "flags" },
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};
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static int
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tls_info (GElf_Word descsz, GElf_Word *regs_offset,
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size_t *nregloc, const Ebl_Register_Location **reglocs,
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size_t *nitems, const Ebl_Core_Item **items)
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{
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if (descsz % 16 != 0)
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return 0;
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*regs_offset = 0;
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*nregloc = 0;
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*reglocs = NULL;
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*nitems = sizeof tls_items / sizeof tls_items[0];
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*items = tls_items;
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return 1;
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}
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#include "x86_corenote.c"
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#include "linux-core-note.c"
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