1 /* PowerPC specific core note handling. 2 Copyright (C) 2007, 2008 Red Hat, Inc. 3 This file is part of Red Hat elfutils. 4 5 Red Hat elfutils is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by the 7 Free Software Foundation; version 2 of the License. 8 9 Red Hat elfutils is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 General Public License for more details. 13 14 You should have received a copy of the GNU General Public License along 15 with Red Hat elfutils; if not, write to the Free Software Foundation, 16 Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 17 18 Red Hat elfutils is an included package of the Open Invention Network. 19 An included package of the Open Invention Network is a package for which 20 Open Invention Network licensees cross-license their patents. No patent 21 license is granted, either expressly or impliedly, by designation as an 22 included package. Should you wish to participate in the Open Invention 23 Network licensing program, please visit www.openinventionnetwork.com 24 <http://www.openinventionnetwork.com>. */ 25 26 #ifdef HAVE_CONFIG_H 27 # include <config.h> 28 #endif 29 30 #include <elf.h> 31 #include <inttypes.h> 32 #include <stddef.h> 33 #include <stdio.h> 34 #include <sys/time.h> 35 36 #ifndef BITS 37 # define BITS 32 38 # define BACKEND ppc_ 39 #else 40 # define BITS 64 41 # define BACKEND ppc64_ 42 #endif 43 #include "libebl_CPU.h" 44 45 static const Ebl_Register_Location prstatus_regs[] = 46 { 47 #define GR(at, n, dwreg) \ 48 { .offset = at * BITS/8, .regno = dwreg, .count = n, .bits = BITS } 49 50 GR (0, 32, 0), /* r0-r31 */ 51 /* 32, 1, nip */ 52 GR (33, 1, 66), /* msr */ 53 /* 34, 1, orig_gpr3 */ 54 GR (35, 1, 109), /* ctr */ 55 GR (36, 1, 108), /* lr */ 56 GR (37, 1, 101), /* xer */ 57 GR (38, 1, 64), /* cr */ 58 GR (39, 1, 100), /* mq */ 59 /* 40, 1, trap */ 60 GR (41, 1, 119), /* dar */ 61 GR (42, 1, 118), /* dsisr */ 62 63 #undef GR 64 }; 65 #define PRSTATUS_REGS_SIZE (BITS / 8 * 48) 66 67 static const Ebl_Register_Location fpregset_regs[] = 68 { 69 { .offset = 0, .regno = 32, .count = 32, .bits = 64 }, /* f0-f31 */ 70 { .offset = 32 * 8 + 4, .regno = 65, .count = 1, .bits = 32 } /* fpscr */ 71 }; 72 #define FPREGSET_SIZE (33 * 8) 73 74 static const Ebl_Register_Location altivec_regs[] = 75 { 76 /* vr0-vr31 */ 77 { .offset = 0, .regno = 1124, .count = 32, .bits = 128 }, 78 /* vscr XXX 67 is an unofficial assignment */ 79 { .offset = 32 * 16, .regno = 67, .count = 1, .bits = 32, .pad = 12 }, 80 /* vrsave */ 81 { .offset = 33 * 16, .regno = 356, .count = 1, .bits = 32, .pad = 12 } 82 }; 83 84 static const Ebl_Register_Location spe_regs[] = 85 { 86 /* evr0-evr31 87 { .offset = 0, .regno = ???, .count = 32, .bits = 32 }, 88 * acc * 89 { .offset = 32 * 4, .regno = ???, .count = 1, .bits = 64 }, */ 90 /* spefscr */ 91 { .offset = 34 * 4, .regno = 612, .count = 1, .bits = 32 } 92 }; 93 94 #define EXTRA_NOTES \ 95 EXTRA_REGSET (NT_PPC_VMX, 34 * 16, altivec_regs) \ 96 EXTRA_REGSET (NT_PPC_SPE, 35 * 4, spe_regs) 97 98 #if BITS == 32 99 # define ULONG uint32_t 100 # define ALIGN_ULONG 4 101 # define TYPE_ULONG ELF_T_WORD 102 # define TYPE_LONG ELF_T_SWORD 103 #else 104 # define ULONG uint64_t 105 # define ALIGN_ULONG 8 106 # define TYPE_ULONG ELF_T_XWORD 107 # define TYPE_LONG ELF_T_SXWORD 108 #endif 109 #define PID_T int32_t 110 #define UID_T uint32_t 111 #define GID_T uint32_t 112 #define ALIGN_PID_T 4 113 #define ALIGN_UID_T 4 114 #define ALIGN_GID_T 4 115 #define TYPE_PID_T ELF_T_SWORD 116 #define TYPE_UID_T ELF_T_WORD 117 #define TYPE_GID_T ELF_T_WORD 118 119 #define PRSTATUS_REGSET_ITEMS \ 120 { \ 121 .name = "nip", .type = ELF_T_ADDR, .format = 'x', \ 122 .offset = offsetof (struct EBLHOOK(prstatus), pr_reg[32]), \ 123 .group = "register" \ 124 }, \ 125 { \ 126 .name = "orig_gpr3", .type = TYPE_LONG, .format = 'd', \ 127 .offset = offsetof (struct EBLHOOK(prstatus), pr_reg[34]), \ 128 .group = "register" \ 129 } 130 131 #include "linux-core-note.c" 132
