1 /* $NetBSD: elf_machdep.h,v 1.17 2025/12/01 16:39:57 jkoshy Exp $ */ 2 3 #ifndef _POWERPC_ELF_MACHDEP_H_ 4 #define _POWERPC_ELF_MACHDEP_H_ 5 6 #if !defined(_SYS_ELFDEFINITIONS_H_) 7 8 /* 9 * psABI symbols. 10 */ 11 12 /* Specify the value of _GLOBAL_OFFSET_TABLE_ */ 13 #define DT_PPC_GOT DT_LOPROC 14 #define DT_PPC64_GLINK (DT_LOPROC + 0) 15 #define DT_PPC64_OPD (DT_LOPROC + 1) 16 #define DT_PPC64_OPDSZ (DT_LOPROC + 2) 17 #define DT_PPC64_TLSOPT (DT_LOPROC + 3) 18 19 // A = the addend used to compute the value of relocatable field 20 // B = the base address of the shared object 21 // G = offset into the global offset table 22 // L = section offset or address of the procedure link table entry for the 23 // symbol + addend 24 // M = similar to G except the address which is stored may be the address of 25 // the procedure linkage table entry for the symbol 26 // P = the place (section offset or address) of the storage unit being 27 // relocated (computed using r_offset) 28 // R = the offset of the symbol with the section in which the symbol is defined 29 // S = the value of the symbol whose index resides in the relocation entry 30 // 31 // @dtpmod 32 // Computes the load module index of the load module that contains the 33 // definition of sym. The addend, if present, is ignored. 34 // @dtprel 35 // Computes a dtv-relative displacement, the difference between the value of 36 // S + A and the base address of the thread-local storage block that contains 37 // the definition of the symbol, minus 0x8000. 38 // @tprel 39 // Computes a tp-relative displacement, the difference between the value of 40 // S + A and the value of the thread pointer (r13). 41 // @got@tlsgd 42 // Allocates two contiguous entries in the GOT to hold a tls_index structure, 43 // with values @dtpmod and @dtprel, and computes the offset to the first 44 // entry relative to the TOC base (r2). 45 // @got@tlsld 46 // Allocates two contiguous entries in the GOT to hold a tls_index structure, 47 // with values @dtpmod and zero, and computes the offset to the first entry 48 // relative to the TOC base (r2). 49 // @got@dtprel 50 // Allocates an entry in the GOT with value @dtprel, and computes the offset 51 // to the entry relative to the TOC base (r2). 52 // @got@tprel 53 // Allocates an entry in the GOT with value @tprel, and computes the offset 54 // to the entry relative to the TOC base (r2). 55 // 56 // #lo(x) = (x & 0xffff) 57 // #hi(x) = ((x >> 16) & 0xffff) 58 // #ha(x) = (((x >> 16) + ((x & 0x8000) == 0x8000)) & 0xffff) 59 // #higher(x) = ((x >> 32) & 0xffff) 60 // #highera(x) = 61 // (((x >> 32) + ((x & 0xffff8000) == 0xffff8000)) & 0xffff) 62 // #highest(x) = ((x >> 48) & 0xffff) 63 // #highesta(x) = 64 // (((x >> 48) + ((x & 0xffffffff8000) == 0xffffffff8000)) & 0xffff) 65 // .TOC. = base TOC base of TOC section for object being relocated 66 67 #define R_PPC_NONE 0 68 #define R_PPC_ADDR32 1 // S + A 69 #define R_PPC_ADDR24 2 // (S + A) >> 2 70 #define R_PPC_ADDR16 3 // S + A 71 #define R_PPC_ADDR16_LO 4 // #lo(S + A) 72 #define R_PPC_ADDR16_HI 5 // #hi(S + A) 73 #define R_PPC_ADDR16_HA 6 // #ha(S + A) 74 #define R_PPC_ADDR14 7 // (S + A) >> 2 75 #define R_PPC_ADDR14_BRTAKEN 8 // (S + A) >> 2 76 #define R_PPC_ADDR14_BRNTAKEN 9 // (S + A) >> 2 77 #define R_PPC_REL24 10 // (S + A - P) >> 2 78 #define R_PPC_REL14 11 // (S + A - P) >> 2 79 #define R_PPC_REL14_BRTAKEN 12 // (S + A - P) >> 2 80 #define R_PPC_REL14_BRNTAKEN 13 // (S + A - P) >> 2 81 #define R_PPC_GOT16 14 // G + A 82 #define R_PPC_GOT16_LO 15 // #lo(G + A) 83 #define R_PPC_GOT16_HI 16 // #hi(G + A) 84 #define R_PPC_GOT16_HA 17 // #ha(G + A) 85 #define R_PPC_PLTREL24 18 // (L + A - P) >> 2 86 #define R_PPC_COPY 19 // none 87 #define R_PPC_GLOB_DAT 20 // S + A 88 #define R_PPC_JMP_SLOT 21 89 #define R_PPC_RELATIVE 22 // B + A 90 #define R_PPC_LOCAL24PC 23 // (see R_PPC_REL24) 91 #define R_PPC_UADDR32 24 // S + A 92 #define R_PPC_UADDR16 25 // S + A 93 #define R_PPC_REL32 26 // S + A - P 94 #define R_PPC_PLT32 27 // L 95 #define R_PPC_PLTREL32 28 // L - P 96 #define R_PPC_PLT16_LO 29 // #lo(L) 97 #define R_PPC_PLT16_HI 30 // #hi(L) 98 #define R_PPC_PLT16_HA 31 // #ha(L) 99 #define R_PPC_SDAREL16 32 // S + A - _SDA_BASE_ 100 #define R_PPC_SECTOFF 33 // R + A 101 #define R_PPC_SECTOFF_LO 34 // #lo(R + A) 102 #define R_PPC_SECTOFF_HI 35 // #lo(R + A) 103 #define R_PPC_SECTOFF_HA 36 // #ha(R + A) 104 #define R_PPC_ADDR30 37 // (S + A - P) >> 2 105 106 /* PPC64 relocations */ 107 #define R_PPC64_ADDR64 38 // S + A 108 #define R_PPC64_ADDR16_HIGHER 39 // #higher(S + A) 109 #define R_PPC64_ADDR16_HIGHERA 40 // #highera(S + A) 110 #define R_PPC64_ADDR16_HIGHEST 41 // #highest(S + A) 111 #define R_PPC64_ADDR16_HIGHESTA 42 // #highesta(S + A) 112 #define R_PPC64_UADDR64 43 // S + A 113 #define R_PPC64_REL64 44 // S + A - P 114 #define R_PPC64_PLT64 45 // L 115 #define R_PPC64_PLTREL64 46 // L - P 116 #define R_PPC64_TOC16 47 // S + A - .TOC. 117 #define R_PPC64_TOC16_LO 48 // #lo(S + A - .TOC.) 118 #define R_PPC64_TOC16_HI 49 // #lo(S + A - .TOC.) 119 #define R_PPC64_TOC16_HA 50 // #ha(S + A - .TOC.) 120 #define R_PPC64_TOC 51 // .TOC. 121 #define R_PPC64_PLTGOT16 52 // M 122 #define R_PPC64_PLTGOT16_LO 53 // #lo(M) 123 #define R_PPC64_PLTGOT16_HI 54 // #lo(M) 124 #define R_PPC64_PLTGOT16_HA 55 // #ha(M) 125 #define R_PPC64_ADDR16_DS 56 // (S + A) >> 2 126 #define R_PPC64_ADDR16_LO_DS 57 // #lo(S + A) >> 2 127 #define R_PPC64_GOT16_DS 58 // G >> 2 128 #define R_PPC64_GOT16_LO_DS 59 // #lo(G) >> 2 129 #define R_PPC64_PLT16_LO_DS 60 // #lo(L) >> 2 130 #define R_PPC64_SECTOFF_DS 61 // (R + A) >> 2 131 #define R_PPC64_SECTOFF_LO_DS 62 // #lo(R + A) >> 2 132 #define R_PPC64_TOC16_DS 63 // (S + A - .TOC.) >> 2 133 #define R_PPC64_TOC16_LO_DS 64 // #lo(S + A - .TOC.) >> 2 134 #define R_PPC64_PLTGOT16_DS 65 // M >> 2 135 #define R_PPC64_PLTGOT16_LO_DS 66 // #lo(M) >> 2 136 137 /* TLS relocations */ 138 #define R_PPC_TLS 67 // none 139 140 #define R_PPC_DTPMOD32 68 141 #define R_PPC_TPREL16 69 // @tprel 142 #define R_PPC_TPREL16_LO 70 // #lo(@tprel) 143 #define R_PPC_TPREL16_HI 71 // #hi(@tprel) 144 #define R_PPC_TPREL16_HA 72 // #ha(@tprel) 145 #define R_PPC_TPREL32 73 // @tprel 146 #define R_PPC_DTPREL16 74 // @got@dtprel 147 #define R_PPC_DTPREL16_LO 75 // #lo(@dtprel) 148 #define R_PPC_DTPREL16_HI 76 // #hi(@dtprel) 149 #define R_PPC_DTPREL16_HA 77 // #ha(@dtprel) 150 #define R_PPC_DTPREL32 78 // @dtprel 151 152 #define R_PPC_GOT_TLSGD16 79 // @got@tlsgd 153 #define R_PPC_GOT_TLSGD16_LO 80 // #lo(@got@tlsgd) 154 #define R_PPC_GOT_TLSGD16_HI 81 // #hi(@got@tlsgd) 155 #define R_PPC_GOT_TLSGD16_HA 82 // #ha(@got@tlsgd) 156 #define R_PPC_GOT_TLSLD16 83 // @got@tlsld 157 #define R_PPC_GOT_TLSLD16_LO 84 // #lo(@got@tlsld) 158 #define R_PPC_GOT_TLSLD16_HI 85 // #hi(@got@tlsld) 159 #define R_PPC_GOT_TLSLD16_HA 86 // #ha(@got@tlsld) 160 161 #define R_PPC_GOT_TPREL16 87 // @got@tprel 162 #define R_PPC_GOT_TPREL16_LO 88 // #lo(@got@tprel) 163 #define R_PPC_GOT_TPREL16_HI 89 // #hi(@got@tprel) 164 #define R_PPC_GOT_TPREL16_HA 90 // #ha(@got@tprel) 165 #define R_PPC_GOT_DTPREL16 91 // @got@dtprel 166 #define R_PPC_GOT_DTPREL16_LO 92 // #lo(@got@dtprel) 167 #define R_PPC_GOT_DTPREL16_HI 93 // #hi(@got@dtprel) 168 #define R_PPC_GOT_DTPREL16_HA 94 // #ha(@got@dtprel) 169 #define R_PPC_TLSGD 95 170 #define R_PPC_TLSLD 96 171 172 #define R_PPC64_TPREL16_DS 95 // @tprel 173 #define R_PPC64_TPREL16_LO_DS 96 // #lo(@tprel) 174 #define R_PPC64_TPREL16_HIGHER 97 // #higher(@tprel) 175 #define R_PPC64_TPREL16_HIGHERA 98 // #highera(@tprel) 176 #define R_PPC64_TPREL16_HIGHEST 99 // #highest(@tprel) 177 #define R_PPC64_TPREL16_HIGHESTA 100 // #highesta(@tprel) 178 179 #define R_PPC64_DTPREL16_DS 101 // @dtprel 180 #define R_PPC64_DTPREL16_LO_DS 102 // #lo(@dtprel) 181 #define R_PPC64_DTPREL16_HIGHER 103 // #higher(@dtprel) 182 #define R_PPC64_DTPREL16_HIGHERA 104 // #highera(@dtprel) 183 #define R_PPC64_DTPREL16_HIGHEST 105 // #highest(@dtprel) 184 #define R_PPC64_DTPREL16_HIGHESTA 106 // #highesta(@dtprel) 185 186 /* Indirect-function support */ 187 #define R_PPC64_IRELATIVE 248 188 #define R_PPC_IRELATIVE 248 // GNU spelling. 189 190 /* Used for the secure-plt PIC code sequences */ 191 #define R_PPC64_REL16 249 // S + A - P 192 #define R_PPC64_REL16_LO 250 // #lo(S + A - P) 193 #define R_PPC64_REL16_HI 251 // #hi(S + A - P) 194 #define R_PPC64_REL16_HA 252 // #ha(S + A - P) 195 196 #endif /* !defined(_SYS_ELFDEFINITIONS_H_) */ 197 198 /* 199 * Local symbols. 200 */ 201 202 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB 203 #define ELF32_MACHDEP_ID_CASES \ 204 case EM_PPC: \ 205 break; 206 207 #define ELF64_MACHDEP_ENDIANNESS ELFDATA2MSB 208 #define ELF64_MACHDEP_ID_CASES \ 209 case EM_PPC64: \ 210 break; 211 212 #define ELF32_MACHDEP_ID EM_PPC 213 #define ELF64_MACHDEP_ID EM_PPC64 214 215 216 #ifdef _LP64 217 #define KERN_ELFSIZE 64 218 #define ARCH_ELFSIZE 64 /* MD native binary size */ 219 #else 220 #define KERN_ELFSIZE 32 221 #define ARCH_ELFSIZE 32 /* MD native binary size */ 222 #endif 223 224 /* 225 * Local spellings of psABI constants. 226 */ 227 #define R_PPC_ADDR14_TAKEN 8 // (S + A) >> 2 228 #define R_PPC_ADDR14_NTAKEN 9 // (S + A) >> 2 229 230 #define R_PPC_REL14_TAKEN 12 // (S + A - P) >> 2 231 #define R_PPC_REL14_NTAKEN 13 // (S + A - P) >> 2 232 233 #define R_PPC_PLTREL 28 // L - P 234 235 /* PPC64 relocations */ 236 #define R_PPC_ADDR64 38 // S + A 237 #define R_PPC_ADDR16_HIGHER 39 // #higher(S + A) 238 #define R_PPC_ADDR16_HIGHERA 40 // #highera(S + A) 239 #define R_PPC_ADDR16_HIGHEST 41 // #highest(S + A) 240 #define R_PPC_ADDR16_HIGHESTA 42 // #highesta(S + A) 241 #define R_PPC_UADDR64 43 // S + A 242 #define R_PPC_REL64 44 // S + A - P 243 #define R_PPC_PLT64 45 // L 244 #define R_PPC_PLTREL4 46 // L - P 245 #define R_PPC_TOC16 47 // S + A - .TOC. 246 #define R_PPC_TOC16_LO 48 // #lo(S + A - .TOC.) 247 #define R_PPC_TOC16_HI 49 // #lo(S + A - .TOC.) 248 #define R_PPC_TOC16_HA 50 // #ha(S + A - .TOC.) 249 #define R_PPC_TOC 51 // .TOC. 250 #define R_PPC_PLTGOT16 52 // M 251 #define R_PPC_PLTGOT16_LO 53 // #lo(M) 252 #define R_PPC_PLTGOT16_HI 54 // #lo(M) 253 #define R_PPC_PLTGOT16_HA 55 // #ha(M) 254 #define R_PPC_ADDR16_DS 56 // (S + A) >> 2 255 #define R_PPC_ADDR16_LO_DS 57 // #lo(S + A) >> 2 256 #define R_PPC_GOT16_DS 58 // G >> 2 257 #define R_PPC_GOT16_LO_DS 59 // #lo(G) >> 2 258 #define R_PPC_PLT16_LO_DS 60 // #lo(L) >> 2 259 #define R_PPC_SECTOFF16_DS 61 // (R + A) >> 2 260 #define R_PPC_SECTOFF16_LO_DS 62 // #lo(R + A) >> 2 261 #define R_PPC_TOC16_DS 63 // (S + A - .TOC.) >> 2 262 #define R_PPC_TOC16_LO_DS 64 // #lo(S + A - .TOC.) >> 2 263 #define R_PPC_PLTGOT16_DS 65 // M >> 2 264 #define R_PPC_PLTGOT16_LO_DS 66 // #lo(M) >> 2 265 266 #define R_PPC_DTPMOD 68 267 268 #define R_PPC_TPREL 73 // @tprel 269 270 #define R_PPC_DTPREL 78 // @dtprel 271 272 #define R_PPC_TPREL16_DS 95 // @tprel 273 #define R_PPC_TPREL16_LO_DS 96 // #lo(@tprel) 274 #define R_PPC_TPREL16_HIGHER 97 // #higher(@tprel) 275 #define R_PPC_TPREL16_HIGHERA 98 // #highera(@tprel) 276 #define R_PPC_TPREL16_HIGHEST 99 // #highest(@tprel) 277 #define R_PPC_TPREL16_HIGHESTA 100 // #highesta(@tprel) 278 279 #define R_PPC_DTPREL16_DS 101 // @dtprel 280 #define R_PPC_DTPREL16_LO_DS 102 // #lo(@dtprel) 281 #define R_PPC_DTPREL16_HIGHER 103 // #higher(@dtprel) 282 #define R_PPC_DTPREL16_HIGHERA 104 // #highera(@dtprel) 283 #define R_PPC_DTPREL16_HIGHEST 105 // #highest(@dtprel) 284 #define R_PPC_DTPREL16_HIGHESTA 106 // #highesta(@dtprel) 285 286 /* Used for the secure-plt PIC code sequences */ 287 #define R_PPC_REL16 249 // S + A - P 288 #define R_PPC_REL16_LO 250 // #lo(S + A - P) 289 #define R_PPC_REL16_HI 251 // #hi(S + A - P) 290 #define R_PPC_REL16_HA 252 // #ha(S + A - P) 291 292 #define R_TYPE(name) __CONCAT(R_PPC_,name) 293 294 #endif /* _POWERPC_ELF_MACHDEP_H_ */ 295
Indexes created Tue Feb 24 01:34:59 UTC 2026