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1 | /* MIPS ELF support for BFD. |
1 | /* MIPS ELF support for BFD. |
2 | Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
- | |
3 | 2003, 2004, 2005, 2008, 2009, 2010, 2013 |
- | |
4 | Free Software Foundation, Inc. |
2 | Copyright (C) 1993-2015 Free Software Foundation, Inc. |
Line 5... | Line 3... | ||
5 | 3 | ||
6 | By Ian Lance Taylor, Cygnus Support, |
4 | By Ian Lance Taylor, Cygnus Support, |
7 | information in the System V Application Binary Interface, MIPS |
5 | information in the System V Application Binary Interface, MIPS |
Line 87... | Line 85... | ||
87 | RELOC_NUMBER (R_MIPS_TLS_TPREL32, 47) |
85 | RELOC_NUMBER (R_MIPS_TLS_TPREL32, 47) |
88 | RELOC_NUMBER (R_MIPS_TLS_TPREL64, 48) |
86 | RELOC_NUMBER (R_MIPS_TLS_TPREL64, 48) |
89 | RELOC_NUMBER (R_MIPS_TLS_TPREL_HI16, 49) |
87 | RELOC_NUMBER (R_MIPS_TLS_TPREL_HI16, 49) |
90 | RELOC_NUMBER (R_MIPS_TLS_TPREL_LO16, 50) |
88 | RELOC_NUMBER (R_MIPS_TLS_TPREL_LO16, 50) |
91 | RELOC_NUMBER (R_MIPS_GLOB_DAT, 51) |
89 | RELOC_NUMBER (R_MIPS_GLOB_DAT, 51) |
- | 90 | /* Space to grow */ |
|
- | 91 | RELOC_NUMBER (R_MIPS_PC21_S2, 60) |
|
- | 92 | RELOC_NUMBER (R_MIPS_PC26_S2, 61) |
|
- | 93 | RELOC_NUMBER (R_MIPS_PC18_S3, 62) |
|
- | 94 | RELOC_NUMBER (R_MIPS_PC19_S2, 63) |
|
- | 95 | RELOC_NUMBER (R_MIPS_PCHI16, 64) |
|
- | 96 | RELOC_NUMBER (R_MIPS_PCLO16, 65) |
|
92 | FAKE_RELOC (R_MIPS_max, 52) |
97 | FAKE_RELOC (R_MIPS_max, 66) |
93 | /* These relocs are used for the mips16. */ |
98 | /* These relocs are used for the mips16. */ |
94 | FAKE_RELOC (R_MIPS16_min, 100) |
99 | FAKE_RELOC (R_MIPS16_min, 100) |
95 | RELOC_NUMBER (R_MIPS16_26, 100) |
100 | RELOC_NUMBER (R_MIPS16_26, 100) |
96 | RELOC_NUMBER (R_MIPS16_GPREL, 101) |
101 | RELOC_NUMBER (R_MIPS16_GPREL, 101) |
97 | RELOC_NUMBER (R_MIPS16_GOT16, 102) |
102 | RELOC_NUMBER (R_MIPS16_GOT16, 102) |
Line 237... | Line 242... | ||
237 | #define E_MIPS_ARCH_32R2 0x70000000 |
242 | #define E_MIPS_ARCH_32R2 0x70000000 |
Line 238... | Line 243... | ||
238 | 243 | ||
239 | /* -mips64r2 code. */ |
244 | /* -mips64r2 code. */ |
Line -... | Line 245... | ||
- | 245 | #define E_MIPS_ARCH_64R2 0x80000000 |
|
- | 246 | ||
- | 247 | /* -mips32r6 code. */ |
|
- | 248 | #define E_MIPS_ARCH_32R6 0x90000000 |
|
- | 249 | ||
- | 250 | /* -mips64r6 code. */ |
|
240 | #define E_MIPS_ARCH_64R2 0x80000000 |
251 | #define E_MIPS_ARCH_64R6 0xa0000000 |
241 | 252 | ||
Line 242... | Line 253... | ||
242 | /* The ABI of the file. Also see EF_MIPS_ABI2 above. */ |
253 | /* The ABI of the file. Also see EF_MIPS_ABI2 above. */ |
243 | #define EF_MIPS_ABI 0x0000F000 |
254 | #define EF_MIPS_ABI 0x0000F000 |
Line 273... | Line 284... | ||
273 | #define E_MIPS_MACH_4111 0x00880000 |
284 | #define E_MIPS_MACH_4111 0x00880000 |
274 | #define E_MIPS_MACH_SB1 0x008a0000 |
285 | #define E_MIPS_MACH_SB1 0x008a0000 |
275 | #define E_MIPS_MACH_OCTEON 0x008b0000 |
286 | #define E_MIPS_MACH_OCTEON 0x008b0000 |
276 | #define E_MIPS_MACH_XLR 0x008c0000 |
287 | #define E_MIPS_MACH_XLR 0x008c0000 |
277 | #define E_MIPS_MACH_OCTEON2 0x008d0000 |
288 | #define E_MIPS_MACH_OCTEON2 0x008d0000 |
- | 289 | #define E_MIPS_MACH_OCTEON3 0x008e0000 |
|
278 | #define E_MIPS_MACH_5400 0x00910000 |
290 | #define E_MIPS_MACH_5400 0x00910000 |
279 | #define E_MIPS_MACH_5900 0x00920000 |
291 | #define E_MIPS_MACH_5900 0x00920000 |
280 | #define E_MIPS_MACH_5500 0x00980000 |
292 | #define E_MIPS_MACH_5500 0x00980000 |
281 | #define E_MIPS_MACH_9000 0x00990000 |
293 | #define E_MIPS_MACH_9000 0x00990000 |
282 | #define E_MIPS_MACH_LS2E 0x00A00000 |
294 | #define E_MIPS_MACH_LS2E 0x00A00000 |
Line 427... | Line 439... | ||
427 | #define SHT_MIPS_XLATE_OLD 0x70000028 |
439 | #define SHT_MIPS_XLATE_OLD 0x70000028 |
Line 428... | Line 440... | ||
428 | 440 | ||
429 | /* Runtime procedure descriptor table exception information (ucode) ??? */ |
441 | /* Runtime procedure descriptor table exception information (ucode) ??? */ |
Line -... | Line 442... | ||
- | 442 | #define SHT_MIPS_PDR_EXCEPTION 0x70000029 |
|
- | 443 | ||
Line 430... | Line 444... | ||
430 | #define SHT_MIPS_PDR_EXCEPTION 0x70000029 |
444 | /* ABI related flags section. */ |
431 | 445 | #define SHT_MIPS_ABIFLAGS 0x7000002a |
|
432 | 446 | ||
433 | /* A section of type SHT_MIPS_LIBLIST contains an array of the |
447 | /* A section of type SHT_MIPS_LIBLIST contains an array of the |
Line 593... | Line 607... | ||
593 | #define PT_MIPS_RTPROC 0x70000001 |
607 | #define PT_MIPS_RTPROC 0x70000001 |
Line 594... | Line 608... | ||
594 | 608 | ||
595 | /* .MIPS.options section. */ |
609 | /* .MIPS.options section. */ |
596 | #define PT_MIPS_OPTIONS 0x70000002 |
610 | #define PT_MIPS_OPTIONS 0x70000002 |
- | 611 | ||
- | 612 | /* Records ABI related flags. */ |
|
- | 613 | #define PT_MIPS_ABIFLAGS 0x70000003 |
|
597 | 614 | ||
Line 598... | Line 615... | ||
598 | /* Processor specific dynamic array tags. */ |
615 | /* Processor specific dynamic array tags. */ |
599 | 616 | ||
Line 730... | Line 747... | ||
730 | #define DT_MIPS_PLTGOT 0x70000032 |
747 | #define DT_MIPS_PLTGOT 0x70000032 |
Line 731... | Line 748... | ||
731 | 748 | ||
732 | /* Points to the base of a writable PLT. */ |
749 | /* Points to the base of a writable PLT. */ |
733 | #define DT_MIPS_RWPLT 0x70000034 |
750 | #define DT_MIPS_RWPLT 0x70000034 |
- | 751 | ||
- | 752 | /* Relative offset of run time loader map, used for debugging. */ |
|
- | 753 | #define DT_MIPS_RLD_MAP_REL 0x70000035 |
|
734 | 754 | ||
Line 735... | Line 755... | ||
735 | /* Flags which may appear in a DT_MIPS_FLAGS entry. */ |
755 | /* Flags which may appear in a DT_MIPS_FLAGS entry. */ |
736 | 756 | ||
Line 1047... | Line 1067... | ||
1047 | unsigned long ri_cprmask[4]; |
1067 | unsigned long ri_cprmask[4]; |
1048 | /* GP register value for this object file. */ |
1068 | /* GP register value for this object file. */ |
1049 | bfd_vma ri_gp_value; |
1069 | bfd_vma ri_gp_value; |
1050 | } Elf64_Internal_RegInfo; |
1070 | } Elf64_Internal_RegInfo; |
Line -... | Line 1071... | ||
- | 1071 | ||
- | 1072 | /* ABI Flags structure version 0. */ |
|
- | 1073 | ||
- | 1074 | typedef struct |
|
- | 1075 | { |
|
- | 1076 | /* Version of flags structure. */ |
|
- | 1077 | unsigned char version[2]; |
|
- | 1078 | /* The level of the ISA: 1-5, 32, 64. */ |
|
- | 1079 | unsigned char isa_level[1]; |
|
- | 1080 | /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */ |
|
- | 1081 | unsigned char isa_rev[1]; |
|
- | 1082 | /* The size of general purpose registers. */ |
|
- | 1083 | unsigned char gpr_size[1]; |
|
- | 1084 | /* The size of co-processor 1 registers. */ |
|
- | 1085 | unsigned char cpr1_size[1]; |
|
- | 1086 | /* The size of co-processor 2 registers. */ |
|
- | 1087 | unsigned char cpr2_size[1]; |
|
- | 1088 | /* The floating-point ABI. */ |
|
- | 1089 | unsigned char fp_abi[1]; |
|
- | 1090 | /* Processor-specific extension. */ |
|
- | 1091 | unsigned char isa_ext[4]; |
|
- | 1092 | /* Mask of ASEs used. */ |
|
- | 1093 | unsigned char ases[4]; |
|
- | 1094 | /* Mask of general flags. */ |
|
- | 1095 | unsigned char flags1[4]; |
|
- | 1096 | unsigned char flags2[4]; |
|
- | 1097 | } Elf_External_ABIFlags_v0; |
|
- | 1098 | ||
- | 1099 | typedef struct |
|
- | 1100 | { |
|
- | 1101 | /* Version of flags structure. */ |
|
- | 1102 | unsigned short version; |
|
- | 1103 | /* The level of the ISA: 1-5, 32, 64. */ |
|
- | 1104 | unsigned char isa_level; |
|
- | 1105 | /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */ |
|
- | 1106 | unsigned char isa_rev; |
|
- | 1107 | /* The size of general purpose registers. */ |
|
- | 1108 | unsigned char gpr_size; |
|
- | 1109 | /* The size of co-processor 1 registers. */ |
|
- | 1110 | unsigned char cpr1_size; |
|
- | 1111 | /* The size of co-processor 2 registers. */ |
|
- | 1112 | unsigned char cpr2_size; |
|
- | 1113 | /* The floating-point ABI. */ |
|
- | 1114 | unsigned char fp_abi; |
|
- | 1115 | /* Processor-specific extension. */ |
|
- | 1116 | unsigned long isa_ext; |
|
- | 1117 | /* Mask of ASEs used. */ |
|
- | 1118 | unsigned long ases; |
|
- | 1119 | /* Mask of general flags. */ |
|
- | 1120 | unsigned long flags1; |
|
- | 1121 | unsigned long flags2; |
|
- | 1122 | } Elf_Internal_ABIFlags_v0; |
|
1051 | 1123 | ||
1052 | typedef struct |
1124 | typedef struct |
1053 | { |
1125 | { |
1054 | /* The hash value computed from the name of the corresponding |
1126 | /* The hash value computed from the name of the corresponding |
1055 | dynamic symbol. */ |
1127 | dynamic symbol. */ |
Line 1087... | Line 1159... | ||
1087 | extern void bfd_mips_elf64_swap_reginfo_in |
1159 | extern void bfd_mips_elf64_swap_reginfo_in |
1088 | (bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *); |
1160 | (bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *); |
1089 | extern void bfd_mips_elf64_swap_reginfo_out |
1161 | extern void bfd_mips_elf64_swap_reginfo_out |
1090 | (bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *); |
1162 | (bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *); |
Line -... | Line 1163... | ||
- | 1163 | ||
- | 1164 | /* MIPS ELF flags swapping routines. */ |
|
- | 1165 | extern void bfd_mips_elf_swap_abiflags_v0_in |
|
- | 1166 | (bfd *, const Elf_External_ABIFlags_v0 *, Elf_Internal_ABIFlags_v0 *); |
|
- | 1167 | extern void bfd_mips_elf_swap_abiflags_v0_out |
|
- | 1168 | (bfd *, const Elf_Internal_ABIFlags_v0 *, Elf_External_ABIFlags_v0 *); |
|
1091 | 1169 | ||
1092 | /* Masks for the info work of an ODK_EXCEPTIONS descriptor. */ |
1170 | /* Masks for the info work of an ODK_EXCEPTIONS descriptor. */ |
1093 | #define OEX_FPU_MIN 0x1f /* FPEs which must be enabled. */ |
1171 | #define OEX_FPU_MIN 0x1f /* FPEs which must be enabled. */ |
1094 | #define OEX_FPU_MAX 0x1f00 /* FPEs which may be enabled. */ |
1172 | #define OEX_FPU_MAX 0x1f00 /* FPEs which may be enabled. */ |
1095 | #define OEX_PAGE0 0x10000 /* Page zero must be mapped. */ |
1173 | #define OEX_PAGE0 0x10000 /* Page zero must be mapped. */ |
Line 1125... | Line 1203... | ||
1125 | 1203 | ||
1126 | /* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor. */ |
1204 | /* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor. */ |
1127 | #define OHWA0_R4KEOP_CHECKED 0x00000001 |
1205 | #define OHWA0_R4KEOP_CHECKED 0x00000001 |
1128 | #define OHWA0_R4KEOP_CLEAN 0x00000002 |
1206 | #define OHWA0_R4KEOP_CLEAN 0x00000002 |
- | 1207 | ||
- | 1208 | /* Values for the xxx_size bytes of an ABI flags structure. */ |
|
- | 1209 | ||
- | 1210 | #define AFL_REG_NONE 0x00 /* No registers. */ |
|
- | 1211 | #define AFL_REG_32 0x01 /* 32-bit registers. */ |
|
- | 1212 | #define AFL_REG_64 0x02 /* 64-bit registers. */ |
|
- | 1213 | #define AFL_REG_128 0x03 /* 128-bit registers. */ |
|
- | 1214 | ||
- | 1215 | /* Masks for the ases word of an ABI flags structure. */ |
|
- | 1216 | ||
- | 1217 | #define AFL_ASE_DSP 0x00000001 /* DSP ASE. */ |
|
- | 1218 | #define AFL_ASE_DSPR2 0x00000002 /* DSP R2 ASE. */ |
|
- | 1219 | #define AFL_ASE_EVA 0x00000004 /* Enhanced VA Scheme. */ |
|
- | 1220 | #define AFL_ASE_MCU 0x00000008 /* MCU (MicroController) ASE. */ |
|
- | 1221 | #define AFL_ASE_MDMX 0x00000010 /* MDMX ASE. */ |
|
- | 1222 | #define AFL_ASE_MIPS3D 0x00000020 /* MIPS-3D ASE. */ |
|
- | 1223 | #define AFL_ASE_MT 0x00000040 /* MT ASE. */ |
|
- | 1224 | #define AFL_ASE_SMARTMIPS 0x00000080 /* SmartMIPS ASE. */ |
|
- | 1225 | #define AFL_ASE_VIRT 0x00000100 /* VZ ASE. */ |
|
- | 1226 | #define AFL_ASE_MSA 0x00000200 /* MSA ASE. */ |
|
- | 1227 | #define AFL_ASE_MIPS16 0x00000400 /* MIPS16 ASE. */ |
|
- | 1228 | #define AFL_ASE_MICROMIPS 0x00000800 /* MICROMIPS ASE. */ |
|
- | 1229 | #define AFL_ASE_XPA 0x00001000 /* XPA ASE. */ |
|
- | 1230 | #define AFL_ASE_MASK 0x00001fff /* All ASEs. */ |
|
- | 1231 | ||
- | 1232 | /* Values for the isa_ext word of an ABI flags structure. */ |
|
- | 1233 | ||
- | 1234 | #define AFL_EXT_XLR 1 /* RMI Xlr instruction. */ |
|
- | 1235 | #define AFL_EXT_OCTEON2 2 /* Cavium Networks Octeon2. */ |
|
- | 1236 | #define AFL_EXT_OCTEONP 3 /* Cavium Networks OcteonP. */ |
|
- | 1237 | #define AFL_EXT_LOONGSON_3A 4 /* Loongson 3A. */ |
|
- | 1238 | #define AFL_EXT_OCTEON 5 /* Cavium Networks Octeon. */ |
|
- | 1239 | #define AFL_EXT_5900 6 /* MIPS R5900 instruction. */ |
|
- | 1240 | #define AFL_EXT_4650 7 /* MIPS R4650 instruction. */ |
|
- | 1241 | #define AFL_EXT_4010 8 /* LSI R4010 instruction. */ |
|
- | 1242 | #define AFL_EXT_4100 9 /* NEC VR4100 instruction. */ |
|
- | 1243 | #define AFL_EXT_3900 10 /* Toshiba R3900 instruction. */ |
|
- | 1244 | #define AFL_EXT_10000 11 /* MIPS R10000 instruction. */ |
|
- | 1245 | #define AFL_EXT_SB1 12 /* Broadcom SB-1 instruction. */ |
|
- | 1246 | #define AFL_EXT_4111 13 /* NEC VR4111/VR4181 instruction. */ |
|
- | 1247 | #define AFL_EXT_4120 14 /* NEC VR4120 instruction. */ |
|
- | 1248 | #define AFL_EXT_5400 15 /* NEC VR5400 instruction. */ |
|
- | 1249 | #define AFL_EXT_5500 16 /* NEC VR5500 instruction. */ |
|
- | 1250 | #define AFL_EXT_LOONGSON_2E 17 /* ST Microelectronics Loongson 2E. */ |
|
- | 1251 | #define AFL_EXT_LOONGSON_2F 18 /* ST Microelectronics Loongson 2F. */ |
|
- | 1252 | #define AFL_EXT_OCTEON3 19 /* Cavium Networks Octeon3. */ |
|
- | 1253 | ||
- | 1254 | /* Masks for the flags1 word of an ABI flags structure. */ |
|
- | 1255 | #define AFL_FLAGS1_ODDSPREG 1 /* Uses odd single-precision registers. */ |
|
- | 1256 | ||
- | 1257 | extern unsigned int bfd_mips_isa_ext (bfd *); |
|
Line 1129... | Line 1258... | ||
1129 | 1258 | ||
1130 | 1259 | ||
1131 | /* Object attribute tags. */ |
1260 | /* Object attribute tags. */ |
1132 | enum |
1261 | enum |
Line 1133... | Line 1262... | ||
1133 | { |
1262 | { |
1134 | /* 0-3 are generic. */ |
1263 | /* 0-3 are generic. */ |
- | 1264 | ||
- | 1265 | /* Floating-point ABI used by this object file. */ |
|
- | 1266 | Tag_GNU_MIPS_ABI_FP = 4, |
|
1135 | 1267 | ||
Line 1136... | Line 1268... | ||
1136 | /* Floating-point ABI used by this object file. */ |
1268 | /* MSA ABI used by this object file. */ |
1137 | Tag_GNU_MIPS_ABI_FP = 4, |
1269 | Tag_GNU_MIPS_ABI_MSA = 8, |
1138 | }; |
1270 | }; |
Line 1153... | Line 1285... | ||
1153 | 1285 | ||
1154 | /* Using soft-float. */ |
1286 | /* Using soft-float. */ |
Line 1155... | Line 1287... | ||
1155 | Val_GNU_MIPS_ABI_FP_SOFT = 3, |
1287 | Val_GNU_MIPS_ABI_FP_SOFT = 3, |
- | 1288 | ||
- | 1289 | /* Using -mips32r2 -mfp64. */ |
|
- | 1290 | Val_GNU_MIPS_ABI_FP_OLD_64 = 4, |
|
- | 1291 | ||
- | 1292 | /* Using -mfpxx */ |
|
- | 1293 | Val_GNU_MIPS_ABI_FP_XX = 5, |
|
1156 | 1294 | ||
- | 1295 | /* Using -mips32r2 -mfp64. */ |
|
- | 1296 | Val_GNU_MIPS_ABI_FP_64 = 6, |
|
- | 1297 | ||
- | 1298 | /* Using -mips32r2 -mfp64 -mno-odd-spreg. */ |
|
- | 1299 | Val_GNU_MIPS_ABI_FP_64A = 7, |
|
- | 1300 | ||
- | 1301 | /* This is reserved for backward-compatibility with an earlier |
|
- | 1302 | implementation of the MIPS NaN2008 functionality. */ |
|
- | 1303 | Val_GNU_MIPS_ABI_FP_NAN2008 = 8, |
|
- | 1304 | ||
- | 1305 | /* Values defined for Tag_GNU_MIPS_ABI_MSA. */ |
|
- | 1306 | ||
- | 1307 | /* Not tagged or not using any ABIs affected by the differences. */ |
|
- | 1308 | Val_GNU_MIPS_ABI_MSA_ANY = 0, |
|
- | 1309 | ||
1157 | /* Using -mips32r2 -mfp64. */ |
1310 | /* Using 128-bit MSA. */ |
Line 1158... | Line 1311... | ||
1158 | Val_GNU_MIPS_ABI_FP_64 = 4, |
1311 | Val_GNU_MIPS_ABI_MSA_128 = 1, |