1 /* $NetBSD: elf_machdep.h,v 1.16 2019/12/08 21:46:03 uwe Exp $ */ 2 3 #ifndef _POWERPC_ELF_MACHDEP_H_ 4 #define _POWERPC_ELF_MACHDEP_H_ 5 6 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB 7 #define ELF32_MACHDEP_ID_CASES \ 8 case EM_PPC: \ 9 break; 10 11 #define ELF64_MACHDEP_ENDIANNESS ELFDATA2MSB 12 #define ELF64_MACHDEP_ID_CASES \ 13 case EM_PPC64: \ 14 break; 15 16 #define ELF32_MACHDEP_ID EM_PPC 17 #define ELF64_MACHDEP_ID EM_PPC64 18 19 20 #ifdef _LP64 21 #define KERN_ELFSIZE 64 22 #define ARCH_ELFSIZE 64 /* MD native binary size */ 23 #else 24 #define KERN_ELFSIZE 32 25 #define ARCH_ELFSIZE 32 /* MD native binary size */ 26 #endif 27 28 /* Specify the value of _GLOBAL_OFFSET_TABLE_ */ 29 #define DT_PPC_GOT DT_LOPROC 30 #define DT_PPC64_GLINK (DT_LOPROC + 0) 31 #define DT_PPC64_OPD (DT_LOPROC + 1) 32 #define DT_PPC64_OPDSZ (DT_LOPROC + 2) 33 #define DT_PPC64_TLSOPT (DT_LOPROC + 3) 34 35 // A = the addend used to compute the value of relocatable field 36 // B = the base address of the shared object 37 // G = offset into the global offset table 38 // L = section offset or address of the procedure link table entry for the 39 // symbol + addend 40 // M = similar to G except the address which is stored may be the address of 41 // the procedure linkage table entry for the symbol 42 // P = the place (section offset or address) of the storage unit being 43 // relocated (computed using r_offset) 44 // R = the offset of the symbol with the section in which the symbol is defined 45 // S = the value of the symbol whose index resides in the relocation entry 46 // 47 // @dtpmod 48 // Computes the load module index of the load module that contains the 49 // definition of sym. The addend, if present, is ignored. 50 // @dtprel 51 // Computes a dtv-relative displacement, the difference between the value of 52 // S + A and the base address of the thread-local storage block that contains 53 // the definition of the symbol, minus 0x8000. 54 // @tprel 55 // Computes a tp-relative displacement, the difference between the value of 56 // S + A and the value of the thread pointer (r13). 57 // @got@tlsgd 58 // Allocates two contiguous entries in the GOT to hold a tls_index structure, 59 // with values @dtpmod and @dtprel, and computes the offset to the first 60 // entry relative to the TOC base (r2). 61 // @got@tlsld 62 // Allocates two contiguous entries in the GOT to hold a tls_index structure, 63 // with values @dtpmod and zero, and computes the offset to the first entry 64 // relative to the TOC base (r2). 65 // @got@dtprel 66 // Allocates an entry in the GOT with value @dtprel, and computes the offset 67 // to the entry relative to the TOC base (r2). 68 // @got@tprel 69 // Allocates an entry in the GOT with value @tprel, and computes the offset 70 // to the entry relative to the TOC base (r2). 71 // 72 // #lo(x) = (x & 0xffff) 73 // #hi(x) = ((x >> 16) & 0xffff) 74 // #ha(x) = (((x >> 16) + ((x & 0x8000) == 0x8000)) & 0xffff) 75 // #higher(x) = ((x >> 32) & 0xffff) 76 // #highera(x) = 77 // (((x >> 32) + ((x & 0xffff8000) == 0xffff8000)) & 0xffff) 78 // #highest(x) = ((x >> 48) & 0xffff) 79 // #highesta(x) = 80 // (((x >> 48) + ((x & 0xffffffff8000) == 0xffffffff8000)) & 0xffff) 81 // .TOC. = base TOC base of TOC section for object being relocated 82 83 #define R_PPC_NONE 0 84 #define R_PPC_ADDR32 1 // S + A 85 #define R_PPC_ADDR24 2 // (S + A) >> 2 86 #define R_PPC_ADDR16 3 // S + A 87 #define R_PPC_ADDR16_LO 4 // #lo(S + A) 88 #define R_PPC_ADDR16_HI 5 // #hi(S + A) 89 #define R_PPC_ADDR16_HA 6 // #ha(S + A) 90 #define R_PPC_ADDR14 7 // (S + A) >> 2 91 #define R_PPC_ADDR14_TAKEN 8 // (S + A) >> 2 92 #define R_PPC_ADDR14_NTAKEN 9 // (S + A) >> 2 93 #define R_PPC_REL24 10 // (S + A - P) >> 2 94 #define R_PPC_REL14 11 // (S + A - P) >> 2 95 #define R_PPC_REL14_TAKEN 12 // (S + A - P) >> 2 96 #define R_PPC_REL14_NTAKEN 13 // (S + A - P) >> 2 97 #define R_PPC_GOT16 14 // G + A 98 #define R_PPC_GOT16_LO 15 // #lo(G + A) 99 #define R_PPC_GOT16_HI 16 // #hi(G + A) 100 #define R_PPC_GOT16_HA 17 // #ha(G + A) 101 #define R_PPC_PLTREL24 18 // (L + A - P) >> 2 102 #define R_PPC_COPY 19 // none 103 #define R_PPC_GLOB_DAT 20 // S + A 104 #define R_PPC_JMP_SLOT 21 105 #define R_PPC_RELATIVE 22 // B + A 106 #define R_PPC_LOCAL24PC 23 // (see R_PPC_REL24) 107 #define R_PPC_UADDR32 24 // S + A 108 #define R_PPC_UADDR16 25 // S + A 109 #define R_PPC_REL32 26 // S + A - P 110 #define R_PPC_PLT32 27 // L 111 #define R_PPC_PLTREL 28 // L - P 112 #define R_PPC_PLT16_LO 29 // #lo(L) 113 #define R_PPC_PLT16_HI 30 // #hi(L) 114 #define R_PPC_PLT16_HA 31 // #ha(L) 115 #define R_PPC_SDAREL16 32 // S + A - _SDA_BASE_ 116 #define R_PPC_SECTOFF 33 // R + A 117 #define R_PPC_SECTOFF_LO 34 // #lo(R + A) 118 #define R_PPC_SECTOFF_HI 35 // #lo(R + A) 119 #define R_PPC_SECTOFF_HA 36 // #ha(R + A) 120 #define R_PPC_ADDR30 37 // (S + A - P) >> 2 121 /* PPC64 relocations */ 122 #define R_PPC_ADDR64 38 // S + A 123 #define R_PPC_ADDR16_HIGHER 39 // #higher(S + A) 124 #define R_PPC_ADDR16_HIGHERA 40 // #highera(S + A) 125 #define R_PPC_ADDR16_HIGHEST 41 // #highest(S + A) 126 #define R_PPC_ADDR16_HIGHESTA 42 // #highesta(S + A) 127 #define R_PPC_UADDR64 43 // S + A 128 #define R_PPC_REL64 44 // S + A - P 129 #define R_PPC_PLT64 45 // L 130 #define R_PPC_PLTREL4 46 // L - P 131 #define R_PPC_TOC16 47 // S + A - .TOC. 132 #define R_PPC_TOC16_LO 48 // #lo(S + A - .TOC.) 133 #define R_PPC_TOC16_HI 49 // #lo(S + A - .TOC.) 134 #define R_PPC_TOC16_HA 50 // #ha(S + A - .TOC.) 135 #define R_PPC_TOC 51 // .TOC. 136 #define R_PPC_PLTGOT16 52 // M 137 #define R_PPC_PLTGOT16_LO 53 // #lo(M) 138 #define R_PPC_PLTGOT16_HI 54 // #lo(M) 139 #define R_PPC_PLTGOT16_HA 55 // #ha(M) 140 #define R_PPC_ADDR16_DS 56 // (S + A) >> 2 141 #define R_PPC_ADDR16_LO_DS 57 // #lo(S + A) >> 2 142 #define R_PPC_GOT16_DS 58 // G >> 2 143 #define R_PPC_GOT16_LO_DS 59 // #lo(G) >> 2 144 #define R_PPC_PLT16_LO_DS 60 // #lo(L) >> 2 145 #define R_PPC_SECTOFF16_DS 61 // (R + A) >> 2 146 #define R_PPC_SECTOFF16_LO_DS 62 // #lo(R + A) >> 2 147 #define R_PPC_TOC16_DS 63 // (S + A - .TOC.) >> 2 148 #define R_PPC_TOC16_LO_DS 64 // #lo(S + A - .TOC.) >> 2 149 #define R_PPC_PLTGOT16_DS 65 // M >> 2 150 #define R_PPC_PLTGOT16_LO_DS 66 // #lo(M) >> 2 151 152 /* TLS relocations */ 153 #define R_PPC_TLS 67 // none 154 155 #define R_PPC_DTPMOD 68 156 #define R_PPC_TPREL16 69 // @tprel 157 #define R_PPC_TPREL16_LO 70 // #lo(@tprel) 158 #define R_PPC_TPREL16_HI 71 // #hi(@tprel) 159 #define R_PPC_TPREL16_HA 72 // #ha(@tprel) 160 #define R_PPC_TPREL 73 // @tprel 161 #define R_PPC_DTPREL16 74 // @got@dtprel 162 #define R_PPC_DTPREL16_LO 75 // #lo(@dtprel) 163 #define R_PPC_DTPREL16_HI 76 // #hi(@dtprel) 164 #define R_PPC_DTPREL16_HA 77 // #ha(@dtprel) 165 #define R_PPC_DTPREL 78 // @dtprel 166 167 #define R_PPC_GOT_TLSGD16 79 // @got@tlsgd 168 #define R_PPC_GOT_TLSGD16_LO 80 // #lo(@got@tlsgd) 169 #define R_PPC_GOT_TLSGD16_HI 81 // #hi(@got@tlsgd) 170 #define R_PPC_GOT_TLSGD16_HA 82 // #ha(@got@tlsgd) 171 #define R_PPC_GOT_TLSLD16 83 // @got@tlsld 172 #define R_PPC_GOT_TLSLD16_LO 84 // #lo(@got@tlsld) 173 #define R_PPC_GOT_TLSLD16_HI 85 // #hi(@got@tlsld) 174 #define R_PPC_GOT_TLSLD16_HA 86 // #ha(@got@tlsld) 175 176 #define R_PPC_GOT_TPREL16 87 // @got@tprel 177 #define R_PPC_GOT_TPREL16_LO 88 // #lo(@got@tprel) 178 #define R_PPC_GOT_TPREL16_HI 89 // #hi(@got@tprel) 179 #define R_PPC_GOT_TPREL16_HA 90 // #ha(@got@tprel) 180 #define R_PPC_GOT_DTPREL16 91 // @got@dtprel 181 #define R_PPC_GOT_DTPREL16_LO 92 // #lo(@got@dtprel) 182 #define R_PPC_GOT_DTPREL16_HI 93 // #hi(@got@dtprel) 183 #define R_PPC_GOT_DTPREL16_HA 94 // #ha(@got@dtprel) 184 #define R_PPC_TLSGD 95 185 #define R_PPC_TLSLD 96 186 187 /* PPC64 relocations */ 188 #define R_PPC_TPREL16_DS 95 // @tprel 189 #define R_PPC_TPREL16_LO_DS 96 // #lo(@tprel) 190 #define R_PPC_TPREL16_HIGHER 97 // #higher(@tprel) 191 #define R_PPC_TPREL16_HIGHERA 98 // #highera(@tprel) 192 #define R_PPC_TPREL16_HIGHEST 99 // #highest(@tprel) 193 #define R_PPC_TPREL16_HIGHESTA 100 // #highesta(@tprel) 194 195 #define R_PPC_DTPREL16_DS 101 // @dtprel 196 #define R_PPC_DTPREL16_LO_DS 102 // #lo(@dtprel) 197 #define R_PPC_DTPREL16_HIGHER 103 // #higher(@dtprel) 198 #define R_PPC_DTPREL16_HIGHERA 104 // #highera(@dtprel) 199 #define R_PPC_DTPREL16_HIGHEST 105 // #highest(@dtprel) 200 #define R_PPC_DTPREL16_HIGHESTA 106 // #highesta(@dtprel) 201 202 /* Indirect-function support */ 203 #define R_PPC_IRELATIVE 248 204 205 /* Used for the secure-plt PIC code sequences */ 206 #define R_PPC_REL16 249 // S + A - P 207 #define R_PPC_REL16_LO 250 // #lo(S + A - P) 208 #define R_PPC_REL16_HI 251 // #hi(S + A - P) 209 #define R_PPC_REL16_HA 252 // #ha(S + A - P) 210 211 #define R_TYPE(name) __CONCAT(R_PPC_,name) 212 213 #endif /* _POWERPC_ELF_MACHDEP_H_ */ 214