1 /* x86-64 specific core note handling. 2 Copyright (C) 2005, 2007, 2008 Red Hat, Inc. 3 Copyright (C) H.J. Lu <hjl.tools (at) gmail.com>, 2015. 4 This file is part of elfutils. 5 6 This file is free software; you can redistribute it and/or modify 7 it under the terms of either 8 9 * the GNU Lesser General Public License as published by the Free 10 Software Foundation; either version 3 of the License, or (at 11 your option) any later version 12 13 or 14 15 * the GNU General Public License as published by the Free 16 Software Foundation; either version 2 of the License, or (at 17 your option) any later version 18 19 or both in parallel, as here. 20 21 elfutils is distributed in the hope that it will be useful, but 22 WITHOUT ANY WARRANTY; without even the implied warranty of 23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 24 General Public License for more details. 25 26 You should have received copies of the GNU General Public License and 27 the GNU Lesser General Public License along with this program. If 28 not, see <http://www.gnu.org/licenses/>. */ 29 30 #ifdef HAVE_CONFIG_H 31 # include <config.h> 32 #endif 33 34 #include <elf.h> 35 #include <inttypes.h> 36 #include <stddef.h> 37 #include <stdio.h> 38 #include <sys/time.h> 39 40 #ifndef BITS 41 # define BITS 64 42 # define BACKEND x86_64_ 43 #else 44 # define BITS 32 45 # define BACKEND x32_ 46 #endif 47 #include "libebl_CPU.h" 48 49 50 static const Ebl_Register_Location prstatus_regs[] = 51 { 52 #define GR(at, n, dwreg) \ 53 { .offset = at * 8, .regno = dwreg, .count = n, .bits = 64 } 54 #define SR(at, n, dwreg) \ 55 { .offset = at * 8, .regno = dwreg, .count = n, .bits = 16, .pad = 6 } 56 57 GR (0, 1, 15), /* %r15 */ 58 GR (1, 1, 14), /* %r14 */ 59 GR (2, 1, 13), /* %r13 */ 60 GR (3, 1, 12), /* %r12 */ 61 GR (4, 1, 6), /* %rbp */ 62 GR (5, 1, 3), /* %rbx */ 63 GR (6, 1, 11), /* %r11 */ 64 GR (7, 1, 10), /* %r10 */ 65 GR (8, 1, 9), /* %r9 */ 66 GR (9, 1, 8), /* %r8 */ 67 GR (10,1, 0), /* %rax */ 68 GR (11,1, 2), /* %rcx */ 69 GR (12,1, 1), /* %rdx */ 70 GR (13,2, 4), /* %rsi-%rdi */ 71 /* 15,1, orig_rax */ 72 GR (16,1, 16), /* %rip */ 73 SR (17,1, 51), /* %cs */ 74 GR (18,1, 49), /* %rFLAGS */ 75 GR (19,1, 7), /* %rsp */ 76 SR (20,1, 52), /* %ss */ 77 GR (21,2, 58), /* %fs.base-%gs.base */ 78 SR (23,1, 53), /* %ds */ 79 SR (24,1, 50), /* %es */ 80 SR (25,2, 54), /* %fs-%gs */ 81 82 #undef GR 83 #undef SR 84 }; 85 #define PRSTATUS_REGS_SIZE (27 * 8) 86 87 #if BITS == 32 88 # define ULONG uint32_t 89 # define ALIGN_ULONG 4 90 # define TYPE_ULONG ELF_T_WORD 91 # define PRPSINFO_UID_T uint16_t 92 # define ALIGN_PRPSINFO_UID_T 2 93 # define TYPE_PRPSINFO_UID_T ELF_T_HALF 94 # define PRPSINFO_GID_T uint16_t 95 # define ALIGN_PRPSINFO_GID_T 2 96 # define TYPE_PRPSINFO_GID_T ELF_T_HALF 97 #else 98 # define ULONG uint64_t 99 # define ALIGN_ULONG 8 100 # define TYPE_ULONG ELF_T_XWORD 101 # define PRPSINFO_UID_T uint32_t 102 # define ALIGN_PRPSINFO_UID_T 4 103 # define TYPE_PRPSINFO_UID_T TYPE_UID_T 104 # define PRPSINFO_GID_T uint32_t 105 # define ALIGN_PRPSINFO_GID_T 4 106 # define TYPE_PRPSINFO_GID_T TYPE_GID_T 107 #endif 108 #define PR_REG uint64_t 109 #define ALIGN_PR_REG 8 110 #define PID_T int32_t 111 #define UID_T uint32_t 112 #define GID_T uint32_t 113 #define ALIGN_PID_T 4 114 #define ALIGN_UID_T 4 115 #define ALIGN_GID_T 4 116 #define TYPE_PID_T ELF_T_SWORD 117 #define TYPE_UID_T ELF_T_SWORD 118 #define TYPE_GID_T ELF_T_SWORD 119 120 #define PRSTATUS_REGSET_ITEMS \ 121 { \ 122 .name = "orig_rax", .type = ELF_T_SXWORD, .format = 'd', \ 123 .offset = offsetof (struct EBLHOOK(prstatus), pr_reg) + (8 * 15), \ 124 .group = "register" \ 125 } 126 127 static const Ebl_Register_Location fpregset_regs[] = 128 { 129 { .offset = 0, .regno = 65, .count = 2, .bits = 16 }, /* fcw-fsw */ 130 { .offset = 24, .regno = 64, .count = 1, .bits = 32 }, /* mxcsr */ 131 { .offset = 32, .regno = 33, .count = 8, .bits = 80, .pad = 6 }, /* stN */ 132 { .offset = 32 + 128, .regno = 17, .count = 16, .bits = 128 }, /* xmm */ 133 }; 134 #define FPREGSET_SIZE 512 135 136 #define EXTRA_NOTES EXTRA_NOTES_IOPERM 137 138 #include "x86_corenote.c" 139 #include "linux-core-note.c" 140
