1 /* NDS32 ELF support for BFD. 2 Copyright (C) 2012-2016 Free Software Foundation, Inc. 3 Contributed by Andes Technology Corporation. 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, MA 20 02110-1301, USA. */ 21 22 #ifndef _ELF_NDS32_H 23 #define _ELF_NDS32_H 24 25 #include "elf/reloc-macros.h" 26 27 /* Relocations. */ 28 START_RELOC_NUMBERS (elf_nds32_reloc_type) 29 RELOC_NUMBER (R_NDS32_NONE, 0) 30 /* REL relocations. */ 31 RELOC_NUMBER (R_NDS32_16, 1) 32 RELOC_NUMBER (R_NDS32_32, 2) 33 RELOC_NUMBER (R_NDS32_20, 3) 34 RELOC_NUMBER (R_NDS32_9_PCREL, 4) 35 RELOC_NUMBER (R_NDS32_15_PCREL, 5) 36 RELOC_NUMBER (R_NDS32_17_PCREL, 6) 37 RELOC_NUMBER (R_NDS32_25_PCREL, 7) 38 RELOC_NUMBER (R_NDS32_HI20, 8) 39 RELOC_NUMBER (R_NDS32_LO12S3, 9) 40 RELOC_NUMBER (R_NDS32_LO12S2, 10) 41 RELOC_NUMBER (R_NDS32_LO12S1, 11) 42 RELOC_NUMBER (R_NDS32_LO12S0, 12) 43 RELOC_NUMBER (R_NDS32_SDA15S3, 13) 44 RELOC_NUMBER (R_NDS32_SDA15S2, 14) 45 RELOC_NUMBER (R_NDS32_SDA15S1, 15) 46 RELOC_NUMBER (R_NDS32_SDA15S0, 16) 47 RELOC_NUMBER (R_NDS32_GNU_VTINHERIT, 17) 48 RELOC_NUMBER (R_NDS32_GNU_VTENTRY, 18) 49 50 /* RELA relocations. */ 51 RELOC_NUMBER (R_NDS32_16_RELA, 19) 52 RELOC_NUMBER (R_NDS32_32_RELA, 20) 53 RELOC_NUMBER (R_NDS32_20_RELA, 21) 54 RELOC_NUMBER (R_NDS32_9_PCREL_RELA, 22) 55 RELOC_NUMBER (R_NDS32_15_PCREL_RELA, 23) 56 RELOC_NUMBER (R_NDS32_17_PCREL_RELA, 24) 57 RELOC_NUMBER (R_NDS32_25_PCREL_RELA, 25) 58 RELOC_NUMBER (R_NDS32_HI20_RELA, 26) 59 RELOC_NUMBER (R_NDS32_LO12S3_RELA, 27) 60 RELOC_NUMBER (R_NDS32_LO12S2_RELA, 28) 61 RELOC_NUMBER (R_NDS32_LO12S1_RELA, 29) 62 RELOC_NUMBER (R_NDS32_LO12S0_RELA, 30) 63 RELOC_NUMBER (R_NDS32_SDA15S3_RELA, 31) 64 RELOC_NUMBER (R_NDS32_SDA15S2_RELA, 32) 65 RELOC_NUMBER (R_NDS32_SDA15S1_RELA, 33) 66 RELOC_NUMBER (R_NDS32_SDA15S0_RELA, 34) 67 RELOC_NUMBER (R_NDS32_RELA_GNU_VTINHERIT, 35) 68 RELOC_NUMBER (R_NDS32_RELA_GNU_VTENTRY, 36) 69 70 RELOC_NUMBER (R_NDS32_GOT20, 37) 71 RELOC_NUMBER (R_NDS32_25_PLTREL, 38) 72 RELOC_NUMBER (R_NDS32_COPY, 39) 73 RELOC_NUMBER (R_NDS32_GLOB_DAT, 40) 74 RELOC_NUMBER (R_NDS32_JMP_SLOT, 41) 75 RELOC_NUMBER (R_NDS32_RELATIVE, 42) 76 RELOC_NUMBER (R_NDS32_GOTOFF, 43) 77 RELOC_NUMBER (R_NDS32_GOTPC20, 44) 78 RELOC_NUMBER (R_NDS32_GOT_HI20, 45) 79 RELOC_NUMBER (R_NDS32_GOT_LO12, 46) 80 RELOC_NUMBER (R_NDS32_GOTPC_HI20, 47) 81 RELOC_NUMBER (R_NDS32_GOTPC_LO12, 48) 82 RELOC_NUMBER (R_NDS32_GOTOFF_HI20, 49) 83 RELOC_NUMBER (R_NDS32_GOTOFF_LO12, 50) 84 RELOC_NUMBER (R_NDS32_INSN16, 51) 85 RELOC_NUMBER (R_NDS32_LABEL, 52) 86 RELOC_NUMBER (R_NDS32_LONGCALL1, 53) 87 RELOC_NUMBER (R_NDS32_LONGCALL2, 54) 88 RELOC_NUMBER (R_NDS32_LONGCALL3, 55) 89 RELOC_NUMBER (R_NDS32_LONGJUMP1, 56) 90 RELOC_NUMBER (R_NDS32_LONGJUMP2, 57) 91 RELOC_NUMBER (R_NDS32_LONGJUMP3, 58) 92 RELOC_NUMBER (R_NDS32_LOADSTORE, 59) 93 RELOC_NUMBER (R_NDS32_9_FIXED_RELA, 60) 94 RELOC_NUMBER (R_NDS32_15_FIXED_RELA, 61) 95 RELOC_NUMBER (R_NDS32_17_FIXED_RELA, 62) 96 RELOC_NUMBER (R_NDS32_25_FIXED_RELA, 63) 97 RELOC_NUMBER (R_NDS32_PLTREL_HI20, 64) /* This is obsoleted. */ 98 RELOC_NUMBER (R_NDS32_PLTREL_LO12, 65) /* This is obsoleted. */ 99 RELOC_NUMBER (R_NDS32_PLT_GOTREL_HI20, 66) 100 RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO12, 67) 101 RELOC_NUMBER (R_NDS32_SDA12S2_DP_RELA, 68) 102 RELOC_NUMBER (R_NDS32_SDA12S2_SP_RELA, 69) 103 RELOC_NUMBER (R_NDS32_LO12S2_DP_RELA, 70) 104 RELOC_NUMBER (R_NDS32_LO12S2_SP_RELA, 71) 105 RELOC_NUMBER (R_NDS32_LO12S0_ORI_RELA, 72) 106 RELOC_NUMBER (R_NDS32_SDA16S3_RELA, 73) 107 RELOC_NUMBER (R_NDS32_SDA17S2_RELA, 74) 108 RELOC_NUMBER (R_NDS32_SDA18S1_RELA, 75) 109 RELOC_NUMBER (R_NDS32_SDA19S0_RELA, 76) 110 RELOC_NUMBER (R_NDS32_DWARF2_OP1_RELA, 77) 111 RELOC_NUMBER (R_NDS32_DWARF2_OP2_RELA, 78) 112 RELOC_NUMBER (R_NDS32_DWARF2_LEB_RELA, 79) 113 RELOC_NUMBER (R_NDS32_UPDATE_TA_RELA, 80) /* This is obsoleted. */ 114 RELOC_NUMBER (R_NDS32_9_PLTREL, 81) 115 RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO20, 82) 116 RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO15, 83) 117 RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO19, 84) 118 RELOC_NUMBER (R_NDS32_GOT_LO15, 85) 119 RELOC_NUMBER (R_NDS32_GOT_LO19, 86) 120 RELOC_NUMBER (R_NDS32_GOTOFF_LO15, 87) 121 RELOC_NUMBER (R_NDS32_GOTOFF_LO19, 88) 122 RELOC_NUMBER (R_NDS32_GOT15S2_RELA, 89) 123 RELOC_NUMBER (R_NDS32_GOT17S2_RELA, 90) 124 RELOC_NUMBER (R_NDS32_5_RELA, 91) 125 RELOC_NUMBER (R_NDS32_10_UPCREL_RELA, 92) /* This is obsoleted. */ 126 RELOC_NUMBER (R_NDS32_SDA_FP7U2_RELA, 93) 127 RELOC_NUMBER (R_NDS32_WORD_9_PCREL_RELA, 94) 128 RELOC_NUMBER (R_NDS32_25_ABS_RELA, 95) 129 RELOC_NUMBER (R_NDS32_17IFC_PCREL_RELA, 96) 130 RELOC_NUMBER (R_NDS32_10IFCU_PCREL_RELA, 97) 131 RELOC_NUMBER (R_NDS32_TLS_LE_HI20, 98) 132 RELOC_NUMBER (R_NDS32_TLS_LE_LO12, 99) 133 RELOC_NUMBER (R_NDS32_TLS_IE_HI20, 100) 134 RELOC_NUMBER (R_NDS32_TLS_IE_LO12S2, 101) 135 RELOC_NUMBER (R_NDS32_TLS_TPOFF, 102) 136 RELOC_NUMBER (R_NDS32_TLS_LE_20, 103) 137 RELOC_NUMBER (R_NDS32_TLS_LE_15S0, 104) 138 RELOC_NUMBER (R_NDS32_TLS_LE_15S1, 105) 139 RELOC_NUMBER (R_NDS32_TLS_LE_15S2, 106) 140 RELOC_NUMBER (R_NDS32_LONGCALL4, 107) 141 RELOC_NUMBER (R_NDS32_LONGCALL5, 108) 142 RELOC_NUMBER (R_NDS32_LONGCALL6, 109) 143 RELOC_NUMBER (R_NDS32_LONGJUMP4, 110) 144 RELOC_NUMBER (R_NDS32_LONGJUMP5, 111) 145 RELOC_NUMBER (R_NDS32_LONGJUMP6, 112) 146 RELOC_NUMBER (R_NDS32_LONGJUMP7, 113) 147 148 RELOC_NUMBER (R_NDS32_RELAX_ENTRY, 192) 149 RELOC_NUMBER (R_NDS32_GOT_SUFF, 193) 150 RELOC_NUMBER (R_NDS32_GOTOFF_SUFF, 194) 151 RELOC_NUMBER (R_NDS32_PLT_GOT_SUFF, 195) 152 RELOC_NUMBER (R_NDS32_MULCALL_SUFF, 196) /* This is obsoleted. */ 153 RELOC_NUMBER (R_NDS32_PTR, 197) 154 RELOC_NUMBER (R_NDS32_PTR_COUNT, 198) 155 RELOC_NUMBER (R_NDS32_PTR_RESOLVED, 199) 156 RELOC_NUMBER (R_NDS32_PLTBLOCK, 200) /* This is obsoleted. */ 157 RELOC_NUMBER (R_NDS32_RELAX_REGION_BEGIN, 201) 158 RELOC_NUMBER (R_NDS32_RELAX_REGION_END, 202) 159 RELOC_NUMBER (R_NDS32_MINUEND, 203) 160 RELOC_NUMBER (R_NDS32_SUBTRAHEND, 204) 161 RELOC_NUMBER (R_NDS32_DIFF8, 205) 162 RELOC_NUMBER (R_NDS32_DIFF16, 206) 163 RELOC_NUMBER (R_NDS32_DIFF32, 207) 164 RELOC_NUMBER (R_NDS32_DIFF_ULEB128, 208) 165 RELOC_NUMBER (R_NDS32_DATA, 209) 166 RELOC_NUMBER (R_NDS32_TRAN, 210) 167 RELOC_NUMBER (R_NDS32_TLS_LE_ADD, 211) 168 RELOC_NUMBER (R_NDS32_TLS_LE_LS, 212) 169 RELOC_NUMBER (R_NDS32_EMPTY, 213) 170 171 END_RELOC_NUMBERS (R_NDS32_max) 172 173 /* Processor specific section indices. These sections do not actually 174 exist. Symbols with a st_shndx field corresponding to one of these 175 values have a special meaning. */ 176 177 /* Processor specific flags for the ELF header e_flags field. 178 179 31 28 27 8 7 4 3 0 180 --------------------------------------------- 181 | ARCH | CONFUGURAION FIELD | ABI | ELF_VER | 182 --------------------------------------------- */ 183 184 /* Architechure definition. */ 185 186 /* 4-bit (b31-b28) nds32 architecture field. 187 We can have up to 15 architectures; 0000 is for unknown. */ 188 #define EF_NDS_ARCH 0xF0000000 189 #define EF_NDS_ARCH_SHIFT 28 190 /* There could be more architectures. For now, only n1 and n1h. */ 191 #define E_NDS_ARCH_STAR_RESERVED 0x00000000 192 #define E_NDS_ARCH_STAR_V1_0 0x10000000 193 #define E_NDS_ARCH_STAR_V2_0 0x20000000 194 #define E_NDS_ARCH_STAR_V3_0 0x30000000 195 #define E_NDS_ARCH_STAR_V3_M 0x40000000 196 #define E_NDS_ARCH_STAR_V0_9 0x90000000 /* Obsoleted. */ 197 /* n1 code. */ 198 #define E_N1_ARCH E_NDS_ARCH_STAR_V0_9 199 /* n1h code. */ 200 #define E_N1H_ARCH E_NDS_ARCH_STAR_V1_0 201 202 203 /* Configuration field definitioans. */ 204 #define EF_NDS_INST 0x0FFFFF00 205 206 /* E_NDS_ARCH_STAR_V1_0 configuration fields. 207 208 E_NDS_ARCH_STAR_V2_0 configuration fields. 209 These are discarded in v2. 210 * E_NDS32_HAS_MFUSR_PC_INST 0x00000100 211 * E_NDS32_HAS_DIV_INST 0x00002000 212 * E_NDS32_HAS_NO_MAC_INST 0x00100000 213 These are added in v2. 214 * E_NDS32_HAS_DIV_DX_INST 0x00002000 215 * E_NDS32_HAS_MAC_DX_INST 0x00100000 */ 216 217 /* MFUSR rt, PC and correct ISYNC, MSYNC instructions. 218 Old N1213HC has no such instructions. */ 219 #define E_NDS32_HAS_MFUSR_PC_INST 0x00000100 /* Reclaimed. */ 220 #define E_NDS32_HAS_EX9_INST 0x00000100 /* v3, ELF 1.4. */ 221 /* C/C++ performance extension instructions. */ 222 #define E_NDS32_HAS_EXT_INST 0x00000200 223 /* Performance extension set II instructions. */ 224 #define E_NDS32_HAS_EXT2_INST 0x00000400 225 /* Single precision Floating point processor instructions. */ 226 #define E_NDS32_HAS_FPU_INST 0x00000800 227 /* Audio instructions with 32-bit audio dx.lo register. */ 228 #define E_NDS32_HAS_AUDIO_INST 0x00001000 229 /* DIV instructions. */ 230 #define E_NDS32_HAS_DIV_INST 0x00002000 /* Reclaimed. */ 231 /* DIV instructions using d0/d1. */ 232 #define E_NDS32_HAS_DIV_DX_INST 0x00002000 /* v2. */ 233 /* 16-bit instructions. */ 234 #define E_NDS32_HAS_16BIT_INST 0x00004000 /* Reclaimed. */ 235 #define E_NDS32_HAS_IFC_INST 0x00004000 /* v3, ELF 1.4. */ 236 /* String operation instructions. */ 237 #define E_NDS32_HAS_STRING_INST 0x00008000 238 /* Reduced register file. */ 239 #define E_NDS32_HAS_REDUCED_REGS 0x00010000 240 /* Video instructions. */ 241 #define E_NDS32_HAS_VIDEO_INST 0x00020000 /* Reclaimed. */ 242 #define E_NDS32_HAS_SATURATION_INST 0x00020000 /* v3, ELF 1.4. */ 243 /* Encription instructions. */ 244 #define E_NDS32_HAS_ENCRIPT_INST 0x00040000 245 /* Doulbe Precision Floating point processor instructions. */ 246 #define E_NDS32_HAS_FPU_DP_INST 0x00080000 247 /* No MAC instruction used. */ 248 #define E_NDS32_HAS_NO_MAC_INST 0x00100000 /* Reclaimed when V2/V3. */ 249 /* MAC instruction using d0/d1. */ 250 #define E_NDS32_HAS_MAC_DX_INST 0x00100000 /* v2. */ 251 /* L2 cache instruction. */ 252 #define E_NDS32_HAS_L2C_INST 0x00200000 253 /* FPU registers configuration when FPU SP/DP presents; 0x00c00000. */ 254 #define E_NDS32_FPU_REG_CONF_SHIFT 22 255 #define E_NDS32_FPU_REG_CONF (0x3 << E_NDS32_FPU_REG_CONF_SHIFT) 256 #define E_NDS32_FPU_REG_8SP_4DP 0x0 257 #define E_NDS32_FPU_REG_16SP_8DP 0x1 258 #define E_NDS32_FPU_REG_32SP_16DP 0x2 259 #define E_NDS32_FPU_REG_32SP_32DP 0x3 260 /* FPU MAC instruction used. */ 261 #define E_NDS32_HAS_FPU_MAC_INST 0x01000000 262 /* <<<Empty Check>>>. */ 263 #define E_NDS32_NULL 0x02000000 264 /* PIC enabled. */ 265 #define E_NDS32_HAS_PIC 0x04000000 266 /* Use custom section. */ 267 #define E_NDS32_HAS_CUSTOM_SEC 0x08000000 268 269 /* 4-bit for ABI signature, allow up to 16 ABIs 270 0: for OLD ABI V0, phase out 271 1: for V1 , starting with V0 toolchain 272 2: for V2 273 3: for V2FP (fs0, fs1 as function parameter) 274 4: for AABI */ 275 /* Only old N1213HC use V0. 276 New ABI is used due to return register is changed to r0 from r5. */ 277 #define EF_NDS_ABI 0x000000F0 278 #define EF_NDS_ABI_SHIFT 4 279 #define E_NDS_ABI_V0 0x00000000 280 #define E_NDS_ABI_V1 0x00000010 281 #define E_NDS_ABI_V2 0x00000020 282 #define E_NDS_ABI_V2FP 0x00000030 283 #define E_NDS_ABI_AABI 0x00000040 284 #define E_NDS_ABI_V2FP_PLUS 0x00000050 285 286 /* This flag signifies the version of Andes ELF. 287 Some more information may exist somewhere which is TBD. */ 288 #define EF_NDS32_ELF_VERSION 0x0000000F 289 #define EF_NDS32_ELF_VERSION_SHIFT 0 290 291 /* Andes ELF Version 1.3 and before. */ 292 #define E_NDS32_ELF_VER_1_2 0x0 293 /* Andes ELF Version 1.31. */ 294 #define E_NDS32_ELF_VER_1_3 0x1 295 /* Andes ELF Version 1.4. Change the way we fix .debug_* and .gcc_except_table. 296 Change three bit for EX9, IFC and SAT. */ 297 #define E_NDS32_ELF_VER_1_4 0x2 298 299 #endif 300
