elf.h revision c3617f72036c909e1f6086b5b9e364e0ef90a6da
1/* 2 * ELF register definitions.. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 7 * 2 of the License, or (at your option) any later version. 8 */ 9#ifndef _UAPI_ASM_POWERPC_ELF_H 10#define _UAPI_ASM_POWERPC_ELF_H 11 12 13#include <linux/types.h> 14 15#include <asm/ptrace.h> 16#include <asm/cputable.h> 17#include <asm/auxvec.h> 18 19/* PowerPC relocations defined by the ABIs */ 20#define R_PPC_NONE 0 21#define R_PPC_ADDR32 1 /* 32bit absolute address */ 22#define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */ 23#define R_PPC_ADDR16 3 /* 16bit absolute address */ 24#define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */ 25#define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */ 26#define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */ 27#define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */ 28#define R_PPC_ADDR14_BRTAKEN 8 29#define R_PPC_ADDR14_BRNTAKEN 9 30#define R_PPC_REL24 10 /* PC relative 26 bit */ 31#define R_PPC_REL14 11 /* PC relative 16 bit */ 32#define R_PPC_REL14_BRTAKEN 12 33#define R_PPC_REL14_BRNTAKEN 13 34#define R_PPC_GOT16 14 35#define R_PPC_GOT16_LO 15 36#define R_PPC_GOT16_HI 16 37#define R_PPC_GOT16_HA 17 38#define R_PPC_PLTREL24 18 39#define R_PPC_COPY 19 40#define R_PPC_GLOB_DAT 20 41#define R_PPC_JMP_SLOT 21 42#define R_PPC_RELATIVE 22 43#define R_PPC_LOCAL24PC 23 44#define R_PPC_UADDR32 24 45#define R_PPC_UADDR16 25 46#define R_PPC_REL32 26 47#define R_PPC_PLT32 27 48#define R_PPC_PLTREL32 28 49#define R_PPC_PLT16_LO 29 50#define R_PPC_PLT16_HI 30 51#define R_PPC_PLT16_HA 31 52#define R_PPC_SDAREL16 32 53#define R_PPC_SECTOFF 33 54#define R_PPC_SECTOFF_LO 34 55#define R_PPC_SECTOFF_HI 35 56#define R_PPC_SECTOFF_HA 36 57 58/* PowerPC relocations defined for the TLS access ABI. */ 59#define R_PPC_TLS 67 /* none (sym+add)@tls */ 60#define R_PPC_DTPMOD32 68 /* word32 (sym+add)@dtpmod */ 61#define R_PPC_TPREL16 69 /* half16* (sym+add)@tprel */ 62#define R_PPC_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ 63#define R_PPC_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ 64#define R_PPC_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ 65#define R_PPC_TPREL32 73 /* word32 (sym+add)@tprel */ 66#define R_PPC_DTPREL16 74 /* half16* (sym+add)@dtprel */ 67#define R_PPC_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ 68#define R_PPC_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ 69#define R_PPC_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ 70#define R_PPC_DTPREL32 78 /* word32 (sym+add)@dtprel */ 71#define R_PPC_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ 72#define R_PPC_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ 73#define R_PPC_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ 74#define R_PPC_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ 75#define R_PPC_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ 76#define R_PPC_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ 77#define R_PPC_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ 78#define R_PPC_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ 79#define R_PPC_GOT_TPREL16 87 /* half16* (sym+add)@got@tprel */ 80#define R_PPC_GOT_TPREL16_LO 88 /* half16 (sym+add)@got@tprel@l */ 81#define R_PPC_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ 82#define R_PPC_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ 83#define R_PPC_GOT_DTPREL16 91 /* half16* (sym+add)@got@dtprel */ 84#define R_PPC_GOT_DTPREL16_LO 92 /* half16* (sym+add)@got@dtprel@l */ 85#define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */ 86#define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */ 87 88/* keep this the last entry. */ 89#define R_PPC_NUM 95 90 91 92#define ELF_NGREG 48 /* includes nip, msr, lr, etc. */ 93#define ELF_NFPREG 33 /* includes fpscr */ 94 95typedef unsigned long elf_greg_t64; 96typedef elf_greg_t64 elf_gregset_t64[ELF_NGREG]; 97 98typedef unsigned int elf_greg_t32; 99typedef elf_greg_t32 elf_gregset_t32[ELF_NGREG]; 100typedef elf_gregset_t32 compat_elf_gregset_t; 101 102/* 103 * ELF_ARCH, CLASS, and DATA are used to set parameters in the core dumps. 104 */ 105#ifdef __powerpc64__ 106# define ELF_NVRREG32 33 /* includes vscr & vrsave stuffed together */ 107# define ELF_NVRREG 34 /* includes vscr & vrsave in split vectors */ 108# define ELF_NVSRHALFREG 32 /* Half the vsx registers */ 109# define ELF_GREG_TYPE elf_greg_t64 110#else 111# define ELF_NEVRREG 34 /* includes acc (as 2) */ 112# define ELF_NVRREG 33 /* includes vscr */ 113# define ELF_GREG_TYPE elf_greg_t32 114# define ELF_ARCH EM_PPC 115# define ELF_CLASS ELFCLASS32 116# define ELF_DATA ELFDATA2MSB 117#endif /* __powerpc64__ */ 118 119#ifndef ELF_ARCH 120# define ELF_ARCH EM_PPC64 121# define ELF_CLASS ELFCLASS64 122# define ELF_DATA ELFDATA2MSB 123 typedef elf_greg_t64 elf_greg_t; 124 typedef elf_gregset_t64 elf_gregset_t; 125#else 126 /* Assumption: ELF_ARCH == EM_PPC and ELF_CLASS == ELFCLASS32 */ 127 typedef elf_greg_t32 elf_greg_t; 128 typedef elf_gregset_t32 elf_gregset_t; 129#endif /* ELF_ARCH */ 130 131/* Floating point registers */ 132typedef double elf_fpreg_t; 133typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; 134 135/* Altivec registers */ 136/* 137 * The entries with indexes 0-31 contain the corresponding vector registers. 138 * The entry with index 32 contains the vscr as the last word (offset 12) 139 * within the quadword. This allows the vscr to be stored as either a 140 * quadword (since it must be copied via a vector register to/from storage) 141 * or as a word. 142 * 143 * 64-bit kernel notes: The entry at index 33 contains the vrsave as the first 144 * word (offset 0) within the quadword. 145 * 146 * This definition of the VMX state is compatible with the current PPC32 147 * ptrace interface. This allows signal handling and ptrace to use the same 148 * structures. This also simplifies the implementation of a bi-arch 149 * (combined (32- and 64-bit) gdb. 150 * 151 * Note that it's _not_ compatible with 32 bits ucontext which stuffs the 152 * vrsave along with vscr and so only uses 33 vectors for the register set 153 */ 154typedef __vector128 elf_vrreg_t; 155typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG]; 156#ifdef __powerpc64__ 157typedef elf_vrreg_t elf_vrregset_t32[ELF_NVRREG32]; 158typedef elf_fpreg_t elf_vsrreghalf_t32[ELF_NVSRHALFREG]; 159#endif 160 161 162/* 163 * The requirements here are: 164 * - keep the final alignment of sp (sp & 0xf) 165 * - make sure the 32-bit value at the first 16 byte aligned position of 166 * AUXV is greater than 16 for glibc compatibility. 167 * AT_IGNOREPPC is used for that. 168 * - for compatibility with glibc ARCH_DLINFO must always be defined on PPC, 169 * even if DLINFO_ARCH_ITEMS goes to zero or is undefined. 170 * update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes 171 */ 172#define ARCH_DLINFO \ 173do { \ 174 /* Handle glibc compatibility. */ \ 175 NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \ 176 NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \ 177 /* Cache size items */ \ 178 NEW_AUX_ENT(AT_DCACHEBSIZE, dcache_bsize); \ 179 NEW_AUX_ENT(AT_ICACHEBSIZE, icache_bsize); \ 180 NEW_AUX_ENT(AT_UCACHEBSIZE, ucache_bsize); \ 181 VDSO_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso_base); \ 182} while (0) 183 184/* PowerPC64 relocations defined by the ABIs */ 185#define R_PPC64_NONE R_PPC_NONE 186#define R_PPC64_ADDR32 R_PPC_ADDR32 /* 32bit absolute address. */ 187#define R_PPC64_ADDR24 R_PPC_ADDR24 /* 26bit address, word aligned. */ 188#define R_PPC64_ADDR16 R_PPC_ADDR16 /* 16bit absolute address. */ 189#define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO /* lower 16bits of abs. address. */ 190#define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI /* high 16bits of abs. address. */ 191#define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA /* adjusted high 16bits. */ 192#define R_PPC64_ADDR14 R_PPC_ADDR14 /* 16bit address, word aligned. */ 193#define R_PPC64_ADDR14_BRTAKEN R_PPC_ADDR14_BRTAKEN 194#define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN 195#define R_PPC64_REL24 R_PPC_REL24 /* PC relative 26 bit, word aligned. */ 196#define R_PPC64_REL14 R_PPC_REL14 /* PC relative 16 bit. */ 197#define R_PPC64_REL14_BRTAKEN R_PPC_REL14_BRTAKEN 198#define R_PPC64_REL14_BRNTAKEN R_PPC_REL14_BRNTAKEN 199#define R_PPC64_GOT16 R_PPC_GOT16 200#define R_PPC64_GOT16_LO R_PPC_GOT16_LO 201#define R_PPC64_GOT16_HI R_PPC_GOT16_HI 202#define R_PPC64_GOT16_HA R_PPC_GOT16_HA 203 204#define R_PPC64_COPY R_PPC_COPY 205#define R_PPC64_GLOB_DAT R_PPC_GLOB_DAT 206#define R_PPC64_JMP_SLOT R_PPC_JMP_SLOT 207#define R_PPC64_RELATIVE R_PPC_RELATIVE 208 209#define R_PPC64_UADDR32 R_PPC_UADDR32 210#define R_PPC64_UADDR16 R_PPC_UADDR16 211#define R_PPC64_REL32 R_PPC_REL32 212#define R_PPC64_PLT32 R_PPC_PLT32 213#define R_PPC64_PLTREL32 R_PPC_PLTREL32 214#define R_PPC64_PLT16_LO R_PPC_PLT16_LO 215#define R_PPC64_PLT16_HI R_PPC_PLT16_HI 216#define R_PPC64_PLT16_HA R_PPC_PLT16_HA 217 218#define R_PPC64_SECTOFF R_PPC_SECTOFF 219#define R_PPC64_SECTOFF_LO R_PPC_SECTOFF_LO 220#define R_PPC64_SECTOFF_HI R_PPC_SECTOFF_HI 221#define R_PPC64_SECTOFF_HA R_PPC_SECTOFF_HA 222#define R_PPC64_ADDR30 37 /* word30 (S + A - P) >> 2. */ 223#define R_PPC64_ADDR64 38 /* doubleword64 S + A. */ 224#define R_PPC64_ADDR16_HIGHER 39 /* half16 #higher(S + A). */ 225#define R_PPC64_ADDR16_HIGHERA 40 /* half16 #highera(S + A). */ 226#define R_PPC64_ADDR16_HIGHEST 41 /* half16 #highest(S + A). */ 227#define R_PPC64_ADDR16_HIGHESTA 42 /* half16 #highesta(S + A). */ 228#define R_PPC64_UADDR64 43 /* doubleword64 S + A. */ 229#define R_PPC64_REL64 44 /* doubleword64 S + A - P. */ 230#define R_PPC64_PLT64 45 /* doubleword64 L + A. */ 231#define R_PPC64_PLTREL64 46 /* doubleword64 L + A - P. */ 232#define R_PPC64_TOC16 47 /* half16* S + A - .TOC. */ 233#define R_PPC64_TOC16_LO 48 /* half16 #lo(S + A - .TOC.). */ 234#define R_PPC64_TOC16_HI 49 /* half16 #hi(S + A - .TOC.). */ 235#define R_PPC64_TOC16_HA 50 /* half16 #ha(S + A - .TOC.). */ 236#define R_PPC64_TOC 51 /* doubleword64 .TOC. */ 237#define R_PPC64_PLTGOT16 52 /* half16* M + A. */ 238#define R_PPC64_PLTGOT16_LO 53 /* half16 #lo(M + A). */ 239#define R_PPC64_PLTGOT16_HI 54 /* half16 #hi(M + A). */ 240#define R_PPC64_PLTGOT16_HA 55 /* half16 #ha(M + A). */ 241 242#define R_PPC64_ADDR16_DS 56 /* half16ds* (S + A) >> 2. */ 243#define R_PPC64_ADDR16_LO_DS 57 /* half16ds #lo(S + A) >> 2. */ 244#define R_PPC64_GOT16_DS 58 /* half16ds* (G + A) >> 2. */ 245#define R_PPC64_GOT16_LO_DS 59 /* half16ds #lo(G + A) >> 2. */ 246#define R_PPC64_PLT16_LO_DS 60 /* half16ds #lo(L + A) >> 2. */ 247#define R_PPC64_SECTOFF_DS 61 /* half16ds* (R + A) >> 2. */ 248#define R_PPC64_SECTOFF_LO_DS 62 /* half16ds #lo(R + A) >> 2. */ 249#define R_PPC64_TOC16_DS 63 /* half16ds* (S + A - .TOC.) >> 2. */ 250#define R_PPC64_TOC16_LO_DS 64 /* half16ds #lo(S + A - .TOC.) >> 2. */ 251#define R_PPC64_PLTGOT16_DS 65 /* half16ds* (M + A) >> 2. */ 252#define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds #lo(M + A) >> 2. */ 253 254/* PowerPC64 relocations defined for the TLS access ABI. */ 255#define R_PPC64_TLS 67 /* none (sym+add)@tls */ 256#define R_PPC64_DTPMOD64 68 /* doubleword64 (sym+add)@dtpmod */ 257#define R_PPC64_TPREL16 69 /* half16* (sym+add)@tprel */ 258#define R_PPC64_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ 259#define R_PPC64_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ 260#define R_PPC64_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ 261#define R_PPC64_TPREL64 73 /* doubleword64 (sym+add)@tprel */ 262#define R_PPC64_DTPREL16 74 /* half16* (sym+add)@dtprel */ 263#define R_PPC64_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ 264#define R_PPC64_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ 265#define R_PPC64_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ 266#define R_PPC64_DTPREL64 78 /* doubleword64 (sym+add)@dtprel */ 267#define R_PPC64_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ 268#define R_PPC64_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ 269#define R_PPC64_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ 270#define R_PPC64_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ 271#define R_PPC64_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ 272#define R_PPC64_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ 273#define R_PPC64_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ 274#define R_PPC64_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ 275#define R_PPC64_GOT_TPREL16_DS 87 /* half16ds* (sym+add)@got@tprel */ 276#define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l */ 277#define R_PPC64_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ 278#define R_PPC64_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ 279#define R_PPC64_GOT_DTPREL16_DS 91 /* half16ds* (sym+add)@got@dtprel */ 280#define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l */ 281#define R_PPC64_GOT_DTPREL16_HI 93 /* half16 (sym+add)@got@dtprel@h */ 282#define R_PPC64_GOT_DTPREL16_HA 94 /* half16 (sym+add)@got@dtprel@ha */ 283#define R_PPC64_TPREL16_DS 95 /* half16ds* (sym+add)@tprel */ 284#define R_PPC64_TPREL16_LO_DS 96 /* half16ds (sym+add)@tprel@l */ 285#define R_PPC64_TPREL16_HIGHER 97 /* half16 (sym+add)@tprel@higher */ 286#define R_PPC64_TPREL16_HIGHERA 98 /* half16 (sym+add)@tprel@highera */ 287#define R_PPC64_TPREL16_HIGHEST 99 /* half16 (sym+add)@tprel@highest */ 288#define R_PPC64_TPREL16_HIGHESTA 100 /* half16 (sym+add)@tprel@highesta */ 289#define R_PPC64_DTPREL16_DS 101 /* half16ds* (sym+add)@dtprel */ 290#define R_PPC64_DTPREL16_LO_DS 102 /* half16ds (sym+add)@dtprel@l */ 291#define R_PPC64_DTPREL16_HIGHER 103 /* half16 (sym+add)@dtprel@higher */ 292#define R_PPC64_DTPREL16_HIGHERA 104 /* half16 (sym+add)@dtprel@highera */ 293#define R_PPC64_DTPREL16_HIGHEST 105 /* half16 (sym+add)@dtprel@highest */ 294#define R_PPC64_DTPREL16_HIGHESTA 106 /* half16 (sym+add)@dtprel@highesta */ 295 296/* Keep this the last entry. */ 297#define R_PPC64_NUM 107 298 299/* There's actually a third entry here, but it's unused */ 300struct ppc64_opd_entry 301{ 302 unsigned long funcaddr; 303 unsigned long r2; 304}; 305 306 307#endif /* _UAPI_ASM_POWERPC_ELF_H */ 308