125b3c049e70834cf33790a28643ab058b507b35cBen Cheng/* i386 specific core note handling. 225b3c049e70834cf33790a28643ab058b507b35cBen Cheng Copyright (C) 2007-2010 Red Hat, Inc. 325b3c049e70834cf33790a28643ab058b507b35cBen Cheng This file is part of Red Hat elfutils. 425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 525b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat elfutils is free software; you can redistribute it and/or modify 625b3c049e70834cf33790a28643ab058b507b35cBen Cheng it under the terms of the GNU General Public License as published by the 725b3c049e70834cf33790a28643ab058b507b35cBen Cheng Free Software Foundation; version 2 of the License. 825b3c049e70834cf33790a28643ab058b507b35cBen Cheng 925b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat elfutils is distributed in the hope that it will be useful, but 1025b3c049e70834cf33790a28643ab058b507b35cBen Cheng WITHOUT ANY WARRANTY; without even the implied warranty of 1125b3c049e70834cf33790a28643ab058b507b35cBen Cheng MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1225b3c049e70834cf33790a28643ab058b507b35cBen Cheng General Public License for more details. 1325b3c049e70834cf33790a28643ab058b507b35cBen Cheng 1425b3c049e70834cf33790a28643ab058b507b35cBen Cheng You should have received a copy of the GNU General Public License along 1525b3c049e70834cf33790a28643ab058b507b35cBen Cheng with Red Hat elfutils; if not, write to the Free Software Foundation, 1625b3c049e70834cf33790a28643ab058b507b35cBen Cheng Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 1725b3c049e70834cf33790a28643ab058b507b35cBen Cheng 1825b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat elfutils is an included package of the Open Invention Network. 1925b3c049e70834cf33790a28643ab058b507b35cBen Cheng An included package of the Open Invention Network is a package for which 2025b3c049e70834cf33790a28643ab058b507b35cBen Cheng Open Invention Network licensees cross-license their patents. No patent 2125b3c049e70834cf33790a28643ab058b507b35cBen Cheng license is granted, either expressly or impliedly, by designation as an 2225b3c049e70834cf33790a28643ab058b507b35cBen Cheng included package. Should you wish to participate in the Open Invention 2325b3c049e70834cf33790a28643ab058b507b35cBen Cheng Network licensing program, please visit www.openinventionnetwork.com 2425b3c049e70834cf33790a28643ab058b507b35cBen Cheng <http://www.openinventionnetwork.com>. */ 2525b3c049e70834cf33790a28643ab058b507b35cBen Cheng 2625b3c049e70834cf33790a28643ab058b507b35cBen Cheng#ifdef HAVE_CONFIG_H 2725b3c049e70834cf33790a28643ab058b507b35cBen Cheng# include <config.h> 2825b3c049e70834cf33790a28643ab058b507b35cBen Cheng#endif 2925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 3025b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <elf.h> 3125b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <inttypes.h> 3225b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <stddef.h> 3325b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <stdio.h> 3425b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <sys/time.h> 3525b3c049e70834cf33790a28643ab058b507b35cBen Cheng 3625b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define BACKEND i386_ 3725b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include "libebl_CPU.h" 3825b3c049e70834cf33790a28643ab058b507b35cBen Cheng 3925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 4025b3c049e70834cf33790a28643ab058b507b35cBen Chengstatic const Ebl_Register_Location prstatus_regs[] = 4125b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 4225b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define GR(at, n, dwreg) \ 4325b3c049e70834cf33790a28643ab058b507b35cBen Cheng { .offset = at * 4, .regno = dwreg, .count = n, .bits = 32 } 4425b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define SR(at, n, dwreg) \ 4525b3c049e70834cf33790a28643ab058b507b35cBen Cheng { .offset = at * 4, .regno = dwreg, .count = n, .bits = 16, .pad = 2 } 4625b3c049e70834cf33790a28643ab058b507b35cBen Cheng 4725b3c049e70834cf33790a28643ab058b507b35cBen Cheng GR (0, 1, 3), /* %ebx */ 4825b3c049e70834cf33790a28643ab058b507b35cBen Cheng GR (1, 2, 1), /* %ecx-%edx */ 4925b3c049e70834cf33790a28643ab058b507b35cBen Cheng GR (3, 2, 6), /* %esi-%edi */ 5025b3c049e70834cf33790a28643ab058b507b35cBen Cheng GR (5, 1, 5), /* %ebp */ 5125b3c049e70834cf33790a28643ab058b507b35cBen Cheng GR (6, 1, 0), /* %eax */ 5225b3c049e70834cf33790a28643ab058b507b35cBen Cheng SR (7, 1, 43), /* %ds */ 5325b3c049e70834cf33790a28643ab058b507b35cBen Cheng SR (8, 1, 40), /* %es */ 5425b3c049e70834cf33790a28643ab058b507b35cBen Cheng SR (9, 1, 44), /* %fs */ 5525b3c049e70834cf33790a28643ab058b507b35cBen Cheng SR (10, 1, 45), /* %gs */ 5625b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* 11, 1, orig_eax */ 5725b3c049e70834cf33790a28643ab058b507b35cBen Cheng GR (12, 1, 8), /* %eip */ 5825b3c049e70834cf33790a28643ab058b507b35cBen Cheng SR (13, 1, 41), /* %cs */ 5925b3c049e70834cf33790a28643ab058b507b35cBen Cheng GR (14, 1, 9), /* eflags */ 6025b3c049e70834cf33790a28643ab058b507b35cBen Cheng GR (15, 1, 4), /* %esp */ 6125b3c049e70834cf33790a28643ab058b507b35cBen Cheng SR (16, 1, 42), /* %ss */ 6225b3c049e70834cf33790a28643ab058b507b35cBen Cheng 6325b3c049e70834cf33790a28643ab058b507b35cBen Cheng#undef GR 6425b3c049e70834cf33790a28643ab058b507b35cBen Cheng#undef SR 6525b3c049e70834cf33790a28643ab058b507b35cBen Cheng }; 6625b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define PRSTATUS_REGS_SIZE (17 * 4) 6725b3c049e70834cf33790a28643ab058b507b35cBen Cheng 6825b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define ULONG uint32_t 6925b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define PID_T int32_t 7025b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define UID_T uint16_t 7125b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define GID_T uint16_t 7225b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define ALIGN_ULONG 4 7325b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define ALIGN_PID_T 4 7425b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define ALIGN_UID_T 2 7525b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define ALIGN_GID_T 2 7625b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define TYPE_ULONG ELF_T_WORD 7725b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define TYPE_PID_T ELF_T_SWORD 7825b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define TYPE_UID_T ELF_T_HALF 7925b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define TYPE_GID_T ELF_T_HALF 8025b3c049e70834cf33790a28643ab058b507b35cBen Cheng 8125b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define PRSTATUS_REGSET_ITEMS \ 8225b3c049e70834cf33790a28643ab058b507b35cBen Cheng { \ 8325b3c049e70834cf33790a28643ab058b507b35cBen Cheng .name = "orig_eax", .type = ELF_T_SWORD, .format = 'd', \ 8425b3c049e70834cf33790a28643ab058b507b35cBen Cheng .offset = offsetof (struct EBLHOOK(prstatus), pr_reg) + (4 * 11), \ 8525b3c049e70834cf33790a28643ab058b507b35cBen Cheng .group = "register" \ 8625b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 8725b3c049e70834cf33790a28643ab058b507b35cBen Cheng 8825b3c049e70834cf33790a28643ab058b507b35cBen Chengstatic const Ebl_Register_Location fpregset_regs[] = 8925b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 9025b3c049e70834cf33790a28643ab058b507b35cBen Cheng { .offset = 0, .regno = 37, .count = 2, .bits = 32 }, /* fctrl-fstat */ 9125b3c049e70834cf33790a28643ab058b507b35cBen Cheng { .offset = 7 * 4, .regno = 11, .count = 8, .bits = 80 }, /* stN */ 9225b3c049e70834cf33790a28643ab058b507b35cBen Cheng }; 9325b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define FPREGSET_SIZE 108 9425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 9525b3c049e70834cf33790a28643ab058b507b35cBen Chengstatic const Ebl_Register_Location prxfpreg_regs[] = 9625b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 9725b3c049e70834cf33790a28643ab058b507b35cBen Cheng { .offset = 0, .regno = 37, .count = 2, .bits = 16 }, /* fctrl-fstat */ 9825b3c049e70834cf33790a28643ab058b507b35cBen Cheng { .offset = 24, .regno = 39, .count = 1, .bits = 32 }, /* mxcsr */ 9925b3c049e70834cf33790a28643ab058b507b35cBen Cheng { .offset = 32, .regno = 11, .count = 8, .bits = 80, .pad = 6 }, /* stN */ 10025b3c049e70834cf33790a28643ab058b507b35cBen Cheng { .offset = 32 + 128, .regno = 21, .count = 8, .bits = 128 }, /* xmm */ 10125b3c049e70834cf33790a28643ab058b507b35cBen Cheng }; 10225b3c049e70834cf33790a28643ab058b507b35cBen Cheng 10325b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define EXTRA_NOTES \ 10425b3c049e70834cf33790a28643ab058b507b35cBen Cheng EXTRA_REGSET (NT_PRXFPREG, 512, prxfpreg_regs) \ 10525b3c049e70834cf33790a28643ab058b507b35cBen Cheng case NT_386_TLS: \ 10625b3c049e70834cf33790a28643ab058b507b35cBen Cheng return tls_info (nhdr->n_descsz, regs_offset, nregloc, reglocs, \ 10725b3c049e70834cf33790a28643ab058b507b35cBen Cheng nitems, items); \ 10825b3c049e70834cf33790a28643ab058b507b35cBen Cheng EXTRA_NOTES_IOPERM 10925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 11025b3c049e70834cf33790a28643ab058b507b35cBen Chengstatic const Ebl_Core_Item tls_items[] = 11125b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 11225b3c049e70834cf33790a28643ab058b507b35cBen Cheng { .type = ELF_T_WORD, .offset = 0x0, .format = 'd', .name = "index" }, 11325b3c049e70834cf33790a28643ab058b507b35cBen Cheng { .type = ELF_T_WORD, .offset = 0x4, .format = 'x', .name = "base" }, 11425b3c049e70834cf33790a28643ab058b507b35cBen Cheng { .type = ELF_T_WORD, .offset = 0x8, .format = 'x', .name = "limit" }, 11525b3c049e70834cf33790a28643ab058b507b35cBen Cheng { .type = ELF_T_WORD, .offset = 0xc, .format = 'x', .name = "flags" }, 11625b3c049e70834cf33790a28643ab058b507b35cBen Cheng }; 11725b3c049e70834cf33790a28643ab058b507b35cBen Cheng 11825b3c049e70834cf33790a28643ab058b507b35cBen Chengstatic int 11925b3c049e70834cf33790a28643ab058b507b35cBen Chengtls_info (GElf_Word descsz, GElf_Word *regs_offset, 12025b3c049e70834cf33790a28643ab058b507b35cBen Cheng size_t *nregloc, const Ebl_Register_Location **reglocs, 12125b3c049e70834cf33790a28643ab058b507b35cBen Cheng size_t *nitems, const Ebl_Core_Item **items) 12225b3c049e70834cf33790a28643ab058b507b35cBen Cheng{ 12325b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (descsz % 16 != 0) 12425b3c049e70834cf33790a28643ab058b507b35cBen Cheng return 0; 12525b3c049e70834cf33790a28643ab058b507b35cBen Cheng 12625b3c049e70834cf33790a28643ab058b507b35cBen Cheng *regs_offset = 0; 12725b3c049e70834cf33790a28643ab058b507b35cBen Cheng *nregloc = 0; 12825b3c049e70834cf33790a28643ab058b507b35cBen Cheng *reglocs = NULL; 12925b3c049e70834cf33790a28643ab058b507b35cBen Cheng *nitems = sizeof tls_items / sizeof tls_items[0]; 13025b3c049e70834cf33790a28643ab058b507b35cBen Cheng *items = tls_items; 13125b3c049e70834cf33790a28643ab058b507b35cBen Cheng return 1; 13225b3c049e70834cf33790a28643ab058b507b35cBen Cheng} 13325b3c049e70834cf33790a28643ab058b507b35cBen Cheng 13425b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include "x86_corenote.c" 13525b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include "linux-core-note.c" 136