1 /* PowerPC specific core note handling. 2 Copyright (C) 2007, 2008 Red Hat, Inc. 3 This file is part of elfutils. 4 5 This file is free software; you can redistribute it and/or modify 6 it under the terms of either 7 8 * the GNU Lesser General Public License as published by the Free 9 Software Foundation; either version 3 of the License, or (at 10 your option) any later version 11 12 or 13 14 * the GNU General Public License as published by the Free 15 Software Foundation; either version 2 of the License, or (at 16 your option) any later version 17 18 or both in parallel, as here. 19 20 elfutils is distributed in the hope that it will be useful, but 21 WITHOUT ANY WARRANTY; without even the implied warranty of 22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 23 General Public License for more details. 24 25 You should have received copies of the GNU General Public License and 26 the GNU Lesser General Public License along with this program. If 27 not, see <http://www.gnu.org/licenses/>. */ 28 29 #ifdef HAVE_CONFIG_H 30 # include <config.h> 31 #endif 32 33 #include <elf.h> 34 #include <inttypes.h> 35 #include <stddef.h> 36 #include <stdio.h> 37 #include <sys/time.h> 38 39 #ifndef BITS 40 # define BITS 32 41 # define BACKEND ppc_ 42 #else 43 # define BITS 64 44 # define BACKEND ppc64_ 45 #endif 46 #include "libebl_CPU.h" 47 48 static const Ebl_Register_Location prstatus_regs[] = 49 { 50 #define GR(at, n, dwreg) \ 51 { .offset = at * BITS/8, .regno = dwreg, .count = n, .bits = BITS } 52 53 GR (0, 32, 0), /* r0-r31 */ 54 /* 32, 1, nip */ 55 GR (33, 1, 66), /* msr */ 56 /* 34, 1, orig_gpr3 */ 57 GR (35, 1, 109), /* ctr */ 58 GR (36, 1, 108), /* lr */ 59 GR (37, 1, 101), /* xer */ 60 GR (38, 1, 64), /* cr */ 61 GR (39, 1, 100), /* mq */ 62 /* 40, 1, trap */ 63 GR (41, 1, 119), /* dar */ 64 GR (42, 1, 118), /* dsisr */ 65 66 #undef GR 67 }; 68 #define PRSTATUS_REGS_SIZE (BITS / 8 * 48) 69 70 static const Ebl_Register_Location fpregset_regs[] = 71 { 72 { .offset = 0, .regno = 32, .count = 32, .bits = 64 }, /* f0-f31 */ 73 { .offset = 32 * 8 + 4, .regno = 65, .count = 1, .bits = 32 } /* fpscr */ 74 }; 75 #define FPREGSET_SIZE (33 * 8) 76 77 static const Ebl_Register_Location altivec_regs[] = 78 { 79 /* vr0-vr31 */ 80 { .offset = 0, .regno = 1124, .count = 32, .bits = 128 }, 81 /* vscr XXX 67 is an unofficial assignment */ 82 { .offset = 32 * 16, .regno = 67, .count = 1, .bits = 32, .pad = 12 }, 83 /* vrsave */ 84 { .offset = 33 * 16, .regno = 356, .count = 1, .bits = 32, .pad = 12 } 85 }; 86 87 static const Ebl_Register_Location spe_regs[] = 88 { 89 /* evr0-evr31 90 { .offset = 0, .regno = ???, .count = 32, .bits = 32 }, 91 * acc * 92 { .offset = 32 * 4, .regno = ???, .count = 1, .bits = 64 }, */ 93 /* spefscr */ 94 { .offset = 34 * 4, .regno = 612, .count = 1, .bits = 32 } 95 }; 96 97 static const Ebl_Register_Location tm_spr_regs[] = 98 { 99 /* tfhar */ 100 { .offset = 0, .regno = 114, .count = 1, .bits = 64 }, 101 /* texasr */ 102 { .offset = 8, .regno = 116, .count = 1, .bits = 64 }, 103 /* tfiar */ 104 { .offset = 16, .regno = 115, .count = 1, .bits = 64 } 105 }; 106 107 #define EXTRA_NOTES \ 108 EXTRA_REGSET (NT_PPC_VMX, 34 * 16, altivec_regs) \ 109 EXTRA_REGSET (NT_PPC_SPE, 35 * 4, spe_regs) \ 110 EXTRA_REGSET (NT_PPC_TM_SPR, 3 * 8, tm_spr_regs) 111 112 #if BITS == 32 113 # define ULONG uint32_t 114 # define ALIGN_ULONG 4 115 # define TYPE_ULONG ELF_T_WORD 116 # define TYPE_LONG ELF_T_SWORD 117 #else 118 # define ULONG uint64_t 119 # define ALIGN_ULONG 8 120 # define TYPE_ULONG ELF_T_XWORD 121 # define TYPE_LONG ELF_T_SXWORD 122 #endif 123 #define PID_T int32_t 124 #define UID_T uint32_t 125 #define GID_T uint32_t 126 #define ALIGN_PID_T 4 127 #define ALIGN_UID_T 4 128 #define ALIGN_GID_T 4 129 #define TYPE_PID_T ELF_T_SWORD 130 #define TYPE_UID_T ELF_T_WORD 131 #define TYPE_GID_T ELF_T_WORD 132 133 #define PRSTATUS_REGSET_ITEMS \ 134 { \ 135 .name = "nip", .type = ELF_T_ADDR, .format = 'x', \ 136 .offset = offsetof (struct EBLHOOK(prstatus), pr_reg[32]), \ 137 .group = "register", .pc_register = true \ 138 }, \ 139 { \ 140 .name = "orig_gpr3", .type = TYPE_LONG, .format = 'd', \ 141 .offset = offsetof (struct EBLHOOK(prstatus), pr_reg[34]), \ 142 .group = "register" \ 143 } 144 145 #include "linux-core-note.c" 146