1 /* V850 ELF support for BFD. 2 Copyright (C) 1997-2020 Free Software Foundation, Inc. 3 Created by Michael Meissner, Cygnus Support <meissner@cygnus.com> 4 5 This file is part of BFD, the Binary File Descriptor library. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 20 MA 02110-1301, USA. */ 21 22 /* This file holds definitions specific to the MIPS ELF ABI. Note 23 that most of this is not actually implemented by BFD. */ 24 25 #ifndef _ELF_V850_H 26 #define _ELF_V850_H 27 28 /* Processor specific flags for the ELF header e_flags field. */ 29 30 /* Four bit V850 architecture field. */ 31 #define EF_V850_ARCH 0xf0000000 32 33 /* v850 code. */ 34 #define E_V850_ARCH 0x00000000 35 36 /* v850e code. */ 37 #define E_V850E_ARCH 0x10000000 38 39 /* v850e1 code. */ 40 #define E_V850E1_ARCH 0x20000000 41 42 /* v850e2 code. */ 43 #define E_V850E2_ARCH 0x30000000 44 45 /* v850e2v3 code. */ 46 #define E_V850E2V3_ARCH 0x40000000 47 48 /* v850e3v5 code. */ 49 #define E_V850E3V5_ARCH 0x60000000 50 51 /* Flags for the st_other field. */ 52 #define V850_OTHER_SDA 0x10 /* Symbol had SDA relocations. */ 53 #define V850_OTHER_ZDA 0x20 /* Symbol had ZDA relocations. */ 54 #define V850_OTHER_TDA 0x40 /* Symbol had TDA relocations. */ 55 #define V850_OTHER_ERROR 0x80 /* Symbol had an error reported. */ 56 57 /* V850 relocations. */ 58 #include "elf/reloc-macros.h" 59 60 START_RELOC_NUMBERS (v850_reloc_type) 61 RELOC_NUMBER (R_V850_NONE, 0) 62 RELOC_NUMBER (R_V850_9_PCREL, 1) 63 RELOC_NUMBER (R_V850_22_PCREL, 2) 64 RELOC_NUMBER (R_V850_HI16_S, 3) 65 RELOC_NUMBER (R_V850_HI16, 4) 66 RELOC_NUMBER (R_V850_LO16, 5) 67 RELOC_NUMBER (R_V850_ABS32, 6) 68 RELOC_NUMBER (R_V850_16, 7) 69 RELOC_NUMBER (R_V850_8, 8) 70 RELOC_NUMBER( R_V850_SDA_16_16_OFFSET, 9) /* For ld.b, st.b, set1, clr1, not1, tst1, movea, movhi */ 71 RELOC_NUMBER( R_V850_SDA_15_16_OFFSET, 10) /* For ld.w, ld.h, ld.hu, st.w, st.h */ 72 RELOC_NUMBER( R_V850_ZDA_16_16_OFFSET, 11) /* For ld.b, st.b, set1, clr1, not1, tst1, movea, movhi */ 73 RELOC_NUMBER( R_V850_ZDA_15_16_OFFSET, 12) /* For ld.w, ld.h, ld.hu, st.w, st.h */ 74 RELOC_NUMBER( R_V850_TDA_6_8_OFFSET, 13) /* For sst.w, sld.w */ 75 RELOC_NUMBER( R_V850_TDA_7_8_OFFSET, 14) /* For sst.h, sld.h */ 76 RELOC_NUMBER( R_V850_TDA_7_7_OFFSET, 15) /* For sst.b, sld.b */ 77 RELOC_NUMBER( R_V850_TDA_16_16_OFFSET, 16) /* For set1, clr1, not1, tst1, movea, movhi */ 78 RELOC_NUMBER( R_V850_TDA_4_5_OFFSET, 17) /* For sld.hu */ 79 RELOC_NUMBER( R_V850_TDA_4_4_OFFSET, 18) /* For sld.bu */ 80 RELOC_NUMBER( R_V850_SDA_16_16_SPLIT_OFFSET, 19) /* For ld.bu */ 81 RELOC_NUMBER( R_V850_ZDA_16_16_SPLIT_OFFSET, 20) /* For ld.bu */ 82 RELOC_NUMBER( R_V850_CALLT_6_7_OFFSET, 21) /* For callt */ 83 RELOC_NUMBER( R_V850_CALLT_16_16_OFFSET, 22) /* For callt */ 84 RELOC_NUMBER (R_V850_GNU_VTINHERIT, 23) 85 RELOC_NUMBER (R_V850_GNU_VTENTRY, 24) 86 RELOC_NUMBER (R_V850_LONGCALL, 25) 87 RELOC_NUMBER (R_V850_LONGJUMP, 26) 88 RELOC_NUMBER (R_V850_ALIGN, 27) 89 RELOC_NUMBER (R_V850_REL32, 28) 90 RELOC_NUMBER (R_V850_LO16_SPLIT_OFFSET, 29) /* For ld.bu */ 91 RELOC_NUMBER (R_V850_16_PCREL, 30) /* For loop */ 92 RELOC_NUMBER (R_V850_17_PCREL, 31) /* For br */ 93 RELOC_NUMBER (R_V850_23, 32) /* For 23bit ld.[w,h,hu,b,bu],st.[w,h,b] */ 94 RELOC_NUMBER (R_V850_32_PCREL, 33) /* For jr32, jarl32 */ 95 RELOC_NUMBER (R_V850_32_ABS, 34) /* For jmp32 */ 96 RELOC_NUMBER (R_V850_16_SPLIT_OFFSET, 35) /* For ld.bu */ 97 RELOC_NUMBER (R_V850_16_S1, 36) /* For ld.w, ld.h st.w st.h */ 98 RELOC_NUMBER (R_V850_LO16_S1, 37) /* For ld.w, ld.h st.w st.h */ 99 RELOC_NUMBER (R_V850_CALLT_15_16_OFFSET, 38) /* For ld.w, ld.h, ld.hu, st.w, st.h */ 100 RELOC_NUMBER (R_V850_32_GOTPCREL, 39) /* GLOBAL_OFFSET_TABLE from pc */ 101 RELOC_NUMBER (R_V850_16_GOT, 40) /* GOT ENTRY from gp */ 102 RELOC_NUMBER (R_V850_32_GOT, 41) 103 RELOC_NUMBER (R_V850_22_PLT, 42) /* For jr */ 104 RELOC_NUMBER (R_V850_32_PLT, 43) /* For jr32 */ 105 RELOC_NUMBER (R_V850_COPY, 44) 106 RELOC_NUMBER (R_V850_GLOB_DAT, 45) 107 RELOC_NUMBER (R_V850_JMP_SLOT, 46) 108 RELOC_NUMBER (R_V850_RELATIVE, 47) 109 RELOC_NUMBER (R_V850_16_GOTOFF, 48) /* From gp */ 110 RELOC_NUMBER (R_V850_32_GOTOFF, 49) 111 RELOC_NUMBER (R_V850_CODE, 50) 112 RELOC_NUMBER (R_V850_DATA, 51) /* For loop */ 113 114 END_RELOC_NUMBERS (R_V850_max) 115 116 117 /* Processor specific section indices. These sections do not actually 118 exist. Symbols with a st_shndx field corresponding to one of these 119 values have a special meaning. */ 120 121 /* Small data area common symbol. */ 122 #define SHN_V850_SCOMMON SHN_LORESERVE 123 124 /* Tiny data area common symbol. */ 125 #define SHN_V850_TCOMMON (SHN_LORESERVE + 1) 126 127 /* Zero data area common symbol. */ 128 #define SHN_V850_ZCOMMON (SHN_LORESERVE + 2) 129 130 131 /* Processor specific section types. */ 132 133 /* Section contains the .scommon data. */ 134 #define SHT_V850_SCOMMON 0x70000000 135 136 /* Section contains the .scommon data. */ 137 #define SHT_V850_TCOMMON 0x70000001 138 139 /* Section contains the .scommon data. */ 140 #define SHT_V850_ZCOMMON 0x70000002 141 142 /* Processor specific section flags. */ 143 144 /* This section must be in the small data area (pointed to by GP). */ 145 #define SHF_V850_GPREL 0x10000000 146 147 /* This section must be in the tiny data area (pointed to by EP). */ 148 #define SHF_V850_EPREL 0x20000000 149 150 /* This section must be in the zero data area (pointed to by R0). */ 151 #define SHF_V850_R0REL 0x40000000 152 153 /* Alternative versions of the above definitions, as specified by the RH850 ABI. */ 154 155 #define EF_RH850_ABI 0xF0000000 156 157 #define EF_V800_850E3 0x00100000 158 159 #define EF_RH850_FPU_DOUBLE 0x00000001 /* sizeof(double) == 8. */ 160 #define EF_RH850_FPU_SINGLE 0x00000002 /* sizeof(double) == 4. */ 161 #define EF_RH850_REGMODE22 0x00000020 /* Registers r15-r24 (inclusive) are not used. */ 162 #define EF_RH850_REGMODE32 0x00000040 163 #define EF_RH850_GP_FIX 0x00000100 /* r4 is fixed. */ 164 #define EF_RH850_GP_NOFIX 0x00000200 /* r4 is callee save. */ 165 #define EF_RH850_EP_FIX 0x00000400 /* r30 is fixed. */ 166 #define EF_RH850_EP_NOFIX 0x00000800 /* r30 is callee save. */ 167 #define EF_RH850_TP_FIX 0x00001000 /* r5 is fixed. */ 168 #define EF_RH850_TP_NOFIX 0x00002000 /* r5 is callee save. */ 169 #define EF_RH850_REG2_RESERVE 0x00004000 /* r2 is fixed. */ 170 #define EF_RH850_REG2_NORESERVE 0x00008000 /* r2 is callee saved. */ 171 172 #define SHT_RENESAS_IOP SHT_LOUSER /* Used by Renesas linker. */ 173 174 #define SHF_RENESAS_ABS 0x80000000 /* Absolute section. */ 175 #define SHF_GHS_ABS 0x00000400 /* Use unknown. */ 176 177 #define STT_RENESAS_ENTRY 14 /* Set for functions called at reset time. */ 178 179 START_RELOC_NUMBERS (v800_reloc_type) 180 181 RELOC_NUMBER (R_V800_NONE, 0x00) 182 RELOC_NUMBER (R_V810_NONE, 0x30) 183 RELOC_NUMBER (R_V810_BYTE, 0x31) 184 RELOC_NUMBER (R_V810_HWORD, 0x32) 185 RELOC_NUMBER (R_V810_WORD, 0x33) 186 RELOC_NUMBER (R_V810_WLO, 0x34) 187 RELOC_NUMBER (R_V810_WHI, 0x35) 188 RELOC_NUMBER (R_V810_WHI1, 0x36) 189 RELOC_NUMBER (R_V810_GPBYTE, 0x37) 190 RELOC_NUMBER (R_V810_GPHWORD, 0x38) 191 RELOC_NUMBER (R_V810_GPWORD, 0x39) 192 RELOC_NUMBER (R_V810_GPWLO, 0x3a) 193 RELOC_NUMBER (R_V810_GPWHI, 0x3b) 194 RELOC_NUMBER (R_V810_GPWHI1, 0x3c) 195 RELOC_NUMBER (R_V850_HWLO, 0x3d) 196 FAKE_RELOC (R_V810_reserved1, 0x3e) 197 RELOC_NUMBER (R_V850_EP7BIT, 0x3f) 198 RELOC_NUMBER (R_V850_EPHBYTE, 0x40) 199 RELOC_NUMBER (R_V850_EPWBYTE, 0x41) 200 RELOC_NUMBER (R_V850_REGHWLO, 0x42) 201 FAKE_RELOC (R_V810_reserved2, 0x43) 202 RELOC_NUMBER (R_V850_GPHWLO, 0x44) 203 FAKE_RELOC (R_V810_reserved3, 0x45) 204 RELOC_NUMBER (R_V850_PCR22, 0x46) 205 RELOC_NUMBER (R_V850_BLO, 0x47) 206 RELOC_NUMBER (R_V850_EP4BIT, 0x48) 207 RELOC_NUMBER (R_V850_EP5BIT, 0x49) 208 RELOC_NUMBER (R_V850_REGBLO, 0x4a) 209 RELOC_NUMBER (R_V850_GPBLO, 0x4b) 210 RELOC_NUMBER (R_V810_WLO_1, 0x4c) 211 RELOC_NUMBER (R_V810_GPWLO_1, 0x4d) 212 RELOC_NUMBER (R_V850_BLO_1, 0x4e) 213 RELOC_NUMBER (R_V850_HWLO_1, 0x4f) 214 FAKE_RELOC (R_V810_reserved4, 0x50) 215 RELOC_NUMBER (R_V850_GPBLO_1, 0x51) 216 RELOC_NUMBER (R_V850_GPHWLO_1, 0x52) 217 FAKE_RELOC (R_V810_reserved5, 0x53) 218 RELOC_NUMBER (R_V850_EPBLO, 0x54) 219 RELOC_NUMBER (R_V850_EPHWLO, 0x55) 220 FAKE_RELOC (R_V810_reserved6, 0x56) 221 RELOC_NUMBER (R_V850_EPWLO_N, 0x57) 222 RELOC_NUMBER (R_V850_PC32, 0x58) 223 RELOC_NUMBER (R_V850_W23BIT, 0x59) 224 RELOC_NUMBER (R_V850_GPW23BIT, 0x5a) 225 RELOC_NUMBER (R_V850_EPW23BIT, 0x5b) 226 RELOC_NUMBER (R_V850_B23BIT, 0x5c) 227 RELOC_NUMBER (R_V850_GPB23BIT, 0x5d) 228 RELOC_NUMBER (R_V850_EPB23BIT, 0x5e) 229 RELOC_NUMBER (R_V850_PC16U, 0x5f) 230 RELOC_NUMBER (R_V850_PC17, 0x60) 231 RELOC_NUMBER (R_V850_DW8, 0x61) 232 RELOC_NUMBER (R_V850_GPDW8, 0x62) 233 RELOC_NUMBER (R_V850_EPDW8, 0x63) 234 RELOC_NUMBER (R_V850_PC9, 0x64) 235 RELOC_NUMBER (R_V810_REGBYTE, 0x65) 236 RELOC_NUMBER (R_V810_REGHWORD, 0x66) 237 RELOC_NUMBER (R_V810_REGWORD, 0x67) 238 RELOC_NUMBER (R_V810_REGWLO, 0x68) 239 RELOC_NUMBER (R_V810_REGWHI, 0x69) 240 RELOC_NUMBER (R_V810_REGWHI1, 0x6a) 241 RELOC_NUMBER (R_V850_REGW23BIT, 0x6b) 242 RELOC_NUMBER (R_V850_REGB23BIT, 0x6c) 243 RELOC_NUMBER (R_V850_REGDW8, 0x6d) 244 RELOC_NUMBER (R_V810_EPBYTE, 0x6e) 245 RELOC_NUMBER (R_V810_EPHWORD, 0x6f) 246 RELOC_NUMBER (R_V810_EPWORD, 0x70) 247 RELOC_NUMBER (R_V850_WLO23, 0x71) 248 RELOC_NUMBER (R_V850_WORD_E, 0x72) 249 RELOC_NUMBER (R_V850_REGWORD_E, 0x73) 250 RELOC_NUMBER (R_V850_WORD, 0x74) 251 RELOC_NUMBER (R_V850_GPWORD, 0x75) 252 RELOC_NUMBER (R_V850_REGWORD, 0x76) 253 RELOC_NUMBER (R_V850_EPWORD, 0x77) 254 RELOC_NUMBER (R_V810_TPBYTE, 0x78) 255 RELOC_NUMBER (R_V810_TPHWORD, 0x79) 256 RELOC_NUMBER (R_V810_TPWORD, 0x7a) 257 RELOC_NUMBER (R_V810_TPWLO, 0x7b) 258 RELOC_NUMBER (R_V810_TPWHI, 0x7c) 259 RELOC_NUMBER (R_V810_TPWHI1, 0x7d) 260 RELOC_NUMBER (R_V850_TPHWLO, 0x7e) 261 RELOC_NUMBER (R_V850_TPBLO, 0x7f) 262 RELOC_NUMBER (R_V810_TPWLO_1, 0x80) 263 RELOC_NUMBER (R_V850_TPBLO_1, 0x81) 264 RELOC_NUMBER (R_V850_TPHWLO_1, 0x82) 265 RELOC_NUMBER (R_V850_TP23BIT, 0x83) 266 RELOC_NUMBER (R_V850_TPW23BIT, 0x84) 267 RELOC_NUMBER (R_V850_TPDW8, 0x85) 268 269 /* These are defined by the RH850 ABI, but not used. */ 270 RELOC_NUMBER (R_V810_ABS32, 0xa0) 271 RELOC_NUMBER (R_V850_SYM, 0xe0) 272 RELOC_NUMBER (R_V850_OPadd, 0xe1) 273 RELOC_NUMBER (R_V850_OPsub, 0xe2) 274 RELOC_NUMBER (R_V850_OPsctsize, 0xe3) 275 RELOC_NUMBER (R_V850_OPscttop, 0xe4) 276 277 END_RELOC_NUMBERS (R_V800_max) 278 279 /* Type for Renesas note sections. NB/ This is in application space 280 rather than processor space as it refers to the requirements of the 281 binary concerned. A given processor may be able to handle multiple 282 different types of application. */ 283 #define SHT_RENESAS_INFO 0xa0000000 284 285 /* Contents of a Renesas note entry: 286 287 namesz +------------------+ 288 | 4 | "REL\0" 289 descsz +------------------+ 290 | 4 | Currently 4byte only 291 type +------------------+ 292 | ID | 293 name +------------------+ 294 | REL\0 | 295 desc +------------------+ 296 | Value | 297 +------------------+ */ 298 299 #define V850_NOTE_SECNAME ".note.renesas" 300 #define SIZEOF_V850_NOTE 20 301 #define V850_NOTE_NAME "REL" 302 303 enum v850_notes 304 { 305 V850_NOTE_ALIGNMENT = 1, /* Alignment of 8-byte entities. */ 306 #define EF_RH850_DATA_ALIGN4 0x0001 /* Aligned to 4-byte bounadries. */ 307 #define EF_RH850_DATA_ALIGN8 0x0002 /* Aligned to 8-byte bounadries. */ 308 309 V850_NOTE_DATA_SIZE = 2, /* Sizeof double and long double. */ 310 #define EF_RH850_DOUBLE32 0x0001 /* 32-bits in size. */ 311 #define EF_RH850_DOUBLE64 0x0002 /* 64-bits in size. */ 312 313 V850_NOTE_FPU_INFO = 3, /* Defined if extended floating point insns are used. */ 314 #define EF_RH850_FPU20 0x0001 /* Set if [N]]M{ADD|SUB}F.S are used. */ 315 #define EF_RH850_FPU30 0x0002 /* Set if ADSF.D or ADDF.D is used. */ 316 317 V850_NOTE_SIMD_INFO = 4, 318 #define EF_RH850_SIMD 0x0001 319 320 V850_NOTE_CACHE_INFO = 5, 321 #define EF_RH850_CACHE 0x0001 322 323 V850_NOTE_MMU_INFO = 6 324 #define EF_RH850_MMU 0x0001 325 }; 326 327 #define NUM_V850_NOTES V850_NOTE_MMU_INFO 328 329 #endif /* _ELF_V850_H */ 330