1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2/* 3 * ELF register definitions.. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License 7 * as published by the Free Software Foundation; either version 8 * 2 of the License, or (at your option) any later version. 9 */ 10#ifndef _UAPI_ASM_POWERPC_ELF_H 11#define _UAPI_ASM_POWERPC_ELF_H 12 13 14#include <linux/types.h> 15 16#include <asm/ptrace.h> 17#include <asm/cputable.h> 18#include <asm/auxvec.h> 19 20/* PowerPC relocations defined by the ABIs */ 21#define R_PPC_NONE 0 22#define R_PPC_ADDR32 1 /* 32bit absolute address */ 23#define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */ 24#define R_PPC_ADDR16 3 /* 16bit absolute address */ 25#define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */ 26#define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */ 27#define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */ 28#define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */ 29#define R_PPC_ADDR14_BRTAKEN 8 30#define R_PPC_ADDR14_BRNTAKEN 9 31#define R_PPC_REL24 10 /* PC relative 26 bit */ 32#define R_PPC_REL14 11 /* PC relative 16 bit */ 33#define R_PPC_REL14_BRTAKEN 12 34#define R_PPC_REL14_BRNTAKEN 13 35#define R_PPC_GOT16 14 36#define R_PPC_GOT16_LO 15 37#define R_PPC_GOT16_HI 16 38#define R_PPC_GOT16_HA 17 39#define R_PPC_PLTREL24 18 40#define R_PPC_COPY 19 41#define R_PPC_GLOB_DAT 20 42#define R_PPC_JMP_SLOT 21 43#define R_PPC_RELATIVE 22 44#define R_PPC_LOCAL24PC 23 45#define R_PPC_UADDR32 24 46#define R_PPC_UADDR16 25 47#define R_PPC_REL32 26 48#define R_PPC_PLT32 27 49#define R_PPC_PLTREL32 28 50#define R_PPC_PLT16_LO 29 51#define R_PPC_PLT16_HI 30 52#define R_PPC_PLT16_HA 31 53#define R_PPC_SDAREL16 32 54#define R_PPC_SECTOFF 33 55#define R_PPC_SECTOFF_LO 34 56#define R_PPC_SECTOFF_HI 35 57#define R_PPC_SECTOFF_HA 36 58 59/* PowerPC relocations defined for the TLS access ABI. */ 60#define R_PPC_TLS 67 /* none (sym+add)@tls */ 61#define R_PPC_DTPMOD32 68 /* word32 (sym+add)@dtpmod */ 62#define R_PPC_TPREL16 69 /* half16* (sym+add)@tprel */ 63#define R_PPC_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ 64#define R_PPC_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ 65#define R_PPC_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ 66#define R_PPC_TPREL32 73 /* word32 (sym+add)@tprel */ 67#define R_PPC_DTPREL16 74 /* half16* (sym+add)@dtprel */ 68#define R_PPC_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ 69#define R_PPC_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ 70#define R_PPC_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ 71#define R_PPC_DTPREL32 78 /* word32 (sym+add)@dtprel */ 72#define R_PPC_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ 73#define R_PPC_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ 74#define R_PPC_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ 75#define R_PPC_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ 76#define R_PPC_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ 77#define R_PPC_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ 78#define R_PPC_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ 79#define R_PPC_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ 80#define R_PPC_GOT_TPREL16 87 /* half16* (sym+add)@got@tprel */ 81#define R_PPC_GOT_TPREL16_LO 88 /* half16 (sym+add)@got@tprel@l */ 82#define R_PPC_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ 83#define R_PPC_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ 84#define R_PPC_GOT_DTPREL16 91 /* half16* (sym+add)@got@dtprel */ 85#define R_PPC_GOT_DTPREL16_LO 92 /* half16* (sym+add)@got@dtprel@l */ 86#define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */ 87#define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */ 88 89/* keep this the last entry. */ 90#define R_PPC_NUM 95 91 92 93#define ELF_NGREG 48 /* includes nip, msr, lr, etc. */ 94#define ELF_NFPREG 33 /* includes fpscr */ 95#define ELF_NVMX 34 /* includes all vector registers */ 96#define ELF_NVSX 32 /* includes all VSX registers */ 97#define ELF_NTMSPRREG 3 /* include tfhar, tfiar, texasr */ 98#define ELF_NEBB 3 /* includes ebbrr, ebbhr, bescr */ 99#define ELF_NPMU 5 /* includes siar, sdar, sier, mmcr2, mmcr0 */ 100#define ELF_NPKEY 3 /* includes amr, iamr, uamor */ 101 102typedef unsigned long elf_greg_t64; 103typedef elf_greg_t64 elf_gregset_t64[ELF_NGREG]; 104 105typedef unsigned int elf_greg_t32; 106typedef elf_greg_t32 elf_gregset_t32[ELF_NGREG]; 107typedef elf_gregset_t32 compat_elf_gregset_t; 108 109/* 110 * ELF_ARCH, CLASS, and DATA are used to set parameters in the core dumps. 111 */ 112#ifdef __powerpc64__ 113# define ELF_NVRREG32 33 /* includes vscr & vrsave stuffed together */ 114# define ELF_NVRREG 34 /* includes vscr & vrsave in split vectors */ 115# define ELF_NVSRHALFREG 32 /* Half the vsx registers */ 116# define ELF_GREG_TYPE elf_greg_t64 117# define ELF_ARCH EM_PPC64 118# define ELF_CLASS ELFCLASS64 119typedef elf_greg_t64 elf_greg_t; 120typedef elf_gregset_t64 elf_gregset_t; 121#else 122# define ELF_NEVRREG 34 /* includes acc (as 2) */ 123# define ELF_NVRREG 33 /* includes vscr */ 124# define ELF_GREG_TYPE elf_greg_t32 125# define ELF_ARCH EM_PPC 126# define ELF_CLASS ELFCLASS32 127typedef elf_greg_t32 elf_greg_t; 128typedef elf_gregset_t32 elf_gregset_t; 129#endif /* __powerpc64__ */ 130 131#ifdef __BIG_ENDIAN__ 132#define ELF_DATA ELFDATA2MSB 133#else 134#define ELF_DATA ELFDATA2LSB 135#endif 136 137/* Floating point registers */ 138typedef double elf_fpreg_t; 139typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; 140 141/* Altivec registers */ 142/* 143 * The entries with indexes 0-31 contain the corresponding vector registers. 144 * The entry with index 32 contains the vscr as the last word (offset 12) 145 * within the quadword. This allows the vscr to be stored as either a 146 * quadword (since it must be copied via a vector register to/from storage) 147 * or as a word. 148 * 149 * 64-bit kernel notes: The entry at index 33 contains the vrsave as the first 150 * word (offset 0) within the quadword. 151 * 152 * This definition of the VMX state is compatible with the current PPC32 153 * ptrace interface. This allows signal handling and ptrace to use the same 154 * structures. This also simplifies the implementation of a bi-arch 155 * (combined (32- and 64-bit) gdb. 156 * 157 * Note that it's _not_ compatible with 32 bits ucontext which stuffs the 158 * vrsave along with vscr and so only uses 33 vectors for the register set 159 */ 160typedef __vector128 elf_vrreg_t; 161typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG]; 162#ifdef __powerpc64__ 163typedef elf_vrreg_t elf_vrregset_t32[ELF_NVRREG32]; 164typedef elf_fpreg_t elf_vsrreghalf_t32[ELF_NVSRHALFREG]; 165#endif 166 167/* PowerPC64 relocations defined by the ABIs */ 168#define R_PPC64_NONE R_PPC_NONE 169#define R_PPC64_ADDR32 R_PPC_ADDR32 /* 32bit absolute address. */ 170#define R_PPC64_ADDR24 R_PPC_ADDR24 /* 26bit address, word aligned. */ 171#define R_PPC64_ADDR16 R_PPC_ADDR16 /* 16bit absolute address. */ 172#define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO /* lower 16bits of abs. address. */ 173#define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI /* high 16bits of abs. address. */ 174#define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA /* adjusted high 16bits. */ 175#define R_PPC64_ADDR14 R_PPC_ADDR14 /* 16bit address, word aligned. */ 176#define R_PPC64_ADDR14_BRTAKEN R_PPC_ADDR14_BRTAKEN 177#define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN 178#define R_PPC64_REL24 R_PPC_REL24 /* PC relative 26 bit, word aligned. */ 179#define R_PPC64_REL14 R_PPC_REL14 /* PC relative 16 bit. */ 180#define R_PPC64_REL14_BRTAKEN R_PPC_REL14_BRTAKEN 181#define R_PPC64_REL14_BRNTAKEN R_PPC_REL14_BRNTAKEN 182#define R_PPC64_GOT16 R_PPC_GOT16 183#define R_PPC64_GOT16_LO R_PPC_GOT16_LO 184#define R_PPC64_GOT16_HI R_PPC_GOT16_HI 185#define R_PPC64_GOT16_HA R_PPC_GOT16_HA 186 187#define R_PPC64_COPY R_PPC_COPY 188#define R_PPC64_GLOB_DAT R_PPC_GLOB_DAT 189#define R_PPC64_JMP_SLOT R_PPC_JMP_SLOT 190#define R_PPC64_RELATIVE R_PPC_RELATIVE 191 192#define R_PPC64_UADDR32 R_PPC_UADDR32 193#define R_PPC64_UADDR16 R_PPC_UADDR16 194#define R_PPC64_REL32 R_PPC_REL32 195#define R_PPC64_PLT32 R_PPC_PLT32 196#define R_PPC64_PLTREL32 R_PPC_PLTREL32 197#define R_PPC64_PLT16_LO R_PPC_PLT16_LO 198#define R_PPC64_PLT16_HI R_PPC_PLT16_HI 199#define R_PPC64_PLT16_HA R_PPC_PLT16_HA 200 201#define R_PPC64_SECTOFF R_PPC_SECTOFF 202#define R_PPC64_SECTOFF_LO R_PPC_SECTOFF_LO 203#define R_PPC64_SECTOFF_HI R_PPC_SECTOFF_HI 204#define R_PPC64_SECTOFF_HA R_PPC_SECTOFF_HA 205#define R_PPC64_ADDR30 37 /* word30 (S + A - P) >> 2. */ 206#define R_PPC64_ADDR64 38 /* doubleword64 S + A. */ 207#define R_PPC64_ADDR16_HIGHER 39 /* half16 #higher(S + A). */ 208#define R_PPC64_ADDR16_HIGHERA 40 /* half16 #highera(S + A). */ 209#define R_PPC64_ADDR16_HIGHEST 41 /* half16 #highest(S + A). */ 210#define R_PPC64_ADDR16_HIGHESTA 42 /* half16 #highesta(S + A). */ 211#define R_PPC64_UADDR64 43 /* doubleword64 S + A. */ 212#define R_PPC64_REL64 44 /* doubleword64 S + A - P. */ 213#define R_PPC64_PLT64 45 /* doubleword64 L + A. */ 214#define R_PPC64_PLTREL64 46 /* doubleword64 L + A - P. */ 215#define R_PPC64_TOC16 47 /* half16* S + A - .TOC. */ 216#define R_PPC64_TOC16_LO 48 /* half16 #lo(S + A - .TOC.). */ 217#define R_PPC64_TOC16_HI 49 /* half16 #hi(S + A - .TOC.). */ 218#define R_PPC64_TOC16_HA 50 /* half16 #ha(S + A - .TOC.). */ 219#define R_PPC64_TOC 51 /* doubleword64 .TOC. */ 220#define R_PPC64_PLTGOT16 52 /* half16* M + A. */ 221#define R_PPC64_PLTGOT16_LO 53 /* half16 #lo(M + A). */ 222#define R_PPC64_PLTGOT16_HI 54 /* half16 #hi(M + A). */ 223#define R_PPC64_PLTGOT16_HA 55 /* half16 #ha(M + A). */ 224 225#define R_PPC64_ADDR16_DS 56 /* half16ds* (S + A) >> 2. */ 226#define R_PPC64_ADDR16_LO_DS 57 /* half16ds #lo(S + A) >> 2. */ 227#define R_PPC64_GOT16_DS 58 /* half16ds* (G + A) >> 2. */ 228#define R_PPC64_GOT16_LO_DS 59 /* half16ds #lo(G + A) >> 2. */ 229#define R_PPC64_PLT16_LO_DS 60 /* half16ds #lo(L + A) >> 2. */ 230#define R_PPC64_SECTOFF_DS 61 /* half16ds* (R + A) >> 2. */ 231#define R_PPC64_SECTOFF_LO_DS 62 /* half16ds #lo(R + A) >> 2. */ 232#define R_PPC64_TOC16_DS 63 /* half16ds* (S + A - .TOC.) >> 2. */ 233#define R_PPC64_TOC16_LO_DS 64 /* half16ds #lo(S + A - .TOC.) >> 2. */ 234#define R_PPC64_PLTGOT16_DS 65 /* half16ds* (M + A) >> 2. */ 235#define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds #lo(M + A) >> 2. */ 236 237/* PowerPC64 relocations defined for the TLS access ABI. */ 238#define R_PPC64_TLS 67 /* none (sym+add)@tls */ 239#define R_PPC64_DTPMOD64 68 /* doubleword64 (sym+add)@dtpmod */ 240#define R_PPC64_TPREL16 69 /* half16* (sym+add)@tprel */ 241#define R_PPC64_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ 242#define R_PPC64_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ 243#define R_PPC64_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ 244#define R_PPC64_TPREL64 73 /* doubleword64 (sym+add)@tprel */ 245#define R_PPC64_DTPREL16 74 /* half16* (sym+add)@dtprel */ 246#define R_PPC64_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ 247#define R_PPC64_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ 248#define R_PPC64_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ 249#define R_PPC64_DTPREL64 78 /* doubleword64 (sym+add)@dtprel */ 250#define R_PPC64_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ 251#define R_PPC64_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ 252#define R_PPC64_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ 253#define R_PPC64_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ 254#define R_PPC64_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ 255#define R_PPC64_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ 256#define R_PPC64_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ 257#define R_PPC64_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ 258#define R_PPC64_GOT_TPREL16_DS 87 /* half16ds* (sym+add)@got@tprel */ 259#define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l */ 260#define R_PPC64_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ 261#define R_PPC64_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ 262#define R_PPC64_GOT_DTPREL16_DS 91 /* half16ds* (sym+add)@got@dtprel */ 263#define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l */ 264#define R_PPC64_GOT_DTPREL16_HI 93 /* half16 (sym+add)@got@dtprel@h */ 265#define R_PPC64_GOT_DTPREL16_HA 94 /* half16 (sym+add)@got@dtprel@ha */ 266#define R_PPC64_TPREL16_DS 95 /* half16ds* (sym+add)@tprel */ 267#define R_PPC64_TPREL16_LO_DS 96 /* half16ds (sym+add)@tprel@l */ 268#define R_PPC64_TPREL16_HIGHER 97 /* half16 (sym+add)@tprel@higher */ 269#define R_PPC64_TPREL16_HIGHERA 98 /* half16 (sym+add)@tprel@highera */ 270#define R_PPC64_TPREL16_HIGHEST 99 /* half16 (sym+add)@tprel@highest */ 271#define R_PPC64_TPREL16_HIGHESTA 100 /* half16 (sym+add)@tprel@highesta */ 272#define R_PPC64_DTPREL16_DS 101 /* half16ds* (sym+add)@dtprel */ 273#define R_PPC64_DTPREL16_LO_DS 102 /* half16ds (sym+add)@dtprel@l */ 274#define R_PPC64_DTPREL16_HIGHER 103 /* half16 (sym+add)@dtprel@higher */ 275#define R_PPC64_DTPREL16_HIGHERA 104 /* half16 (sym+add)@dtprel@highera */ 276#define R_PPC64_DTPREL16_HIGHEST 105 /* half16 (sym+add)@dtprel@highest */ 277#define R_PPC64_DTPREL16_HIGHESTA 106 /* half16 (sym+add)@dtprel@highesta */ 278#define R_PPC64_TLSGD 107 279#define R_PPC64_TLSLD 108 280#define R_PPC64_TOCSAVE 109 281 282#define R_PPC64_ENTRY 118 283 284#define R_PPC64_REL16 249 285#define R_PPC64_REL16_LO 250 286#define R_PPC64_REL16_HI 251 287#define R_PPC64_REL16_HA 252 288 289/* Keep this the last entry. */ 290#define R_PPC64_NUM 253 291 292/* There's actually a third entry here, but it's unused */ 293struct ppc64_opd_entry 294{ 295 unsigned long funcaddr; 296 unsigned long r2; 297}; 298 299 300#endif /* _UAPI_ASM_POWERPC_ELF_H */ 301