1 /* CR16C ELF support for BFD. 2 Copyright (C) 2004-2016 Free Software Foundation, Inc. 3 4 This file is part of BFD, the Binary File Descriptor library. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software Foundation, 18 Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 19 20 #ifndef _ELF_CR16C_H 21 #define _ELF_CR16C_H 22 23 #include "bfd.h" 24 #include "elf/reloc-macros.h" 25 26 /* Creating indices for reloc_map_index array. */ 27 START_RELOC_NUMBERS (elf_cr16c_reloc_type) 28 RELOC_NUMBER (RINDEX_16C_NUM08, 0) 29 RELOC_NUMBER (RINDEX_16C_NUM08_C, 1) 30 RELOC_NUMBER (RINDEX_16C_NUM16, 2) 31 RELOC_NUMBER (RINDEX_16C_NUM16_C, 3) 32 RELOC_NUMBER (RINDEX_16C_NUM32, 4) 33 RELOC_NUMBER (RINDEX_16C_NUM32_C, 5) 34 RELOC_NUMBER (RINDEX_16C_DISP04, 6) 35 RELOC_NUMBER (RINDEX_16C_DISP04_C, 7) 36 RELOC_NUMBER (RINDEX_16C_DISP08, 8) 37 RELOC_NUMBER (RINDEX_16C_DISP08_C, 9) 38 RELOC_NUMBER (RINDEX_16C_DISP16, 10) 39 RELOC_NUMBER (RINDEX_16C_DISP16_C, 11) 40 RELOC_NUMBER (RINDEX_16C_DISP24, 12) 41 RELOC_NUMBER (RINDEX_16C_DISP24_C, 13) 42 RELOC_NUMBER (RINDEX_16C_DISP24a, 14) 43 RELOC_NUMBER (RINDEX_16C_DISP24a_C, 15) 44 RELOC_NUMBER (RINDEX_16C_REG04, 16) 45 RELOC_NUMBER (RINDEX_16C_REG04_C, 17) 46 RELOC_NUMBER (RINDEX_16C_REG04a, 18) 47 RELOC_NUMBER (RINDEX_16C_REG04a_C, 19) 48 RELOC_NUMBER (RINDEX_16C_REG14, 20) 49 RELOC_NUMBER (RINDEX_16C_REG14_C, 21) 50 RELOC_NUMBER (RINDEX_16C_REG16, 22) 51 RELOC_NUMBER (RINDEX_16C_REG16_C, 23) 52 RELOC_NUMBER (RINDEX_16C_REG20, 24) 53 RELOC_NUMBER (RINDEX_16C_REG20_C, 25) 54 RELOC_NUMBER (RINDEX_16C_ABS20, 26) 55 RELOC_NUMBER (RINDEX_16C_ABS20_C, 27) 56 RELOC_NUMBER (RINDEX_16C_ABS24, 28) 57 RELOC_NUMBER (RINDEX_16C_ABS24_C, 29) 58 RELOC_NUMBER (RINDEX_16C_IMM04, 30) 59 RELOC_NUMBER (RINDEX_16C_IMM04_C, 31) 60 RELOC_NUMBER (RINDEX_16C_IMM16, 32) 61 RELOC_NUMBER (RINDEX_16C_IMM16_C, 33) 62 RELOC_NUMBER (RINDEX_16C_IMM20, 34) 63 RELOC_NUMBER (RINDEX_16C_IMM20_C, 35) 64 RELOC_NUMBER (RINDEX_16C_IMM24, 36) 65 RELOC_NUMBER (RINDEX_16C_IMM24_C, 37) 66 RELOC_NUMBER (RINDEX_16C_IMM32, 38) 67 RELOC_NUMBER (RINDEX_16C_IMM32_C, 39) 68 END_RELOC_NUMBERS (RINDEX_16C_MAX) 69 70 /* CR16C Relocation Types ('cr_reloc_type' entry in the reloc_map structure). 71 The relocation constant name is determined as follows : 72 73 R_16C_<format><size>[_C] 74 75 Where : 76 77 <format> is one of the following: 78 NUM - R_NUMBER mnemonic, 79 DISP - R_16C_DISPL mnemonic, 80 REG - R_16C_REGREL mnemonic, 81 ABS - R_16C_ABS mnemonic, 82 IMM - R_16C_IMMED mnemonic, 83 <size> stands for R_S_16C_<size> 84 _C means 'code label' and is only added when R_ADDRTYPE subfield 85 is of type R_CODE_ADDR. */ 86 87 /* The table below shows what the hex digits in the definition of the 88 relocation type constants correspond to. 89 ------------------------------------------------------------------ 90 R_SIZESP R_FORMAT R_RELTO R_ADDRTYPE 91 ------------------------------------------------------------------ */ 92 /* R_S_16C_08 R_NUMBER R_ABS R_ADDRESS */ 93 #define R_16C_NUM08 0X0001 94 95 /* R_S_16C_08 R_NUMBER R_ABS R_CODE_ADDR */ 96 #define R_16C_NUM08_C 0X0006 97 98 /* R_S_16C_16 R_NUMBER R_ABS R_ADDRESS */ 99 #define R_16C_NUM16 0X1001 100 101 /* R_S_16C_16 R_NUMBER R_ABS R_CODE_ADDR */ 102 #define R_16C_NUM16_C 0X1006 103 104 /* R_S_16C_32 R_NUMBER R_ABS R_ADDRESS */ 105 #define R_16C_NUM32 0X2001 106 107 /* R_S_16C_32 R_NUMBER R_ABS R_CODE_ADDR */ 108 #define R_16C_NUM32_C 0X2006 109 110 /* R_S_16C_04 R_16C_DISPL R_PCREL R_ADDRESS */ 111 #define R_16C_DISP04 0X5411 112 113 /* R_S_16C_04 R_16C_DISPL R_PCREL R_CODE_ADDR */ 114 #define R_16C_DISP04_C 0X5416 115 116 /* R_S_16C_08 R_16C_DISPL R_PCREL R_ADDRESS */ 117 #define R_16C_DISP08 0X0411 118 119 /* R_S_16C_08 R_16C_DISPL R_PCREL R_CODE_ADDR */ 120 #define R_16C_DISP08_C 0X0416 121 122 /* R_S_16C_16 R_16C_DISPL R_PCREL R_ADDRESS */ 123 #define R_16C_DISP16 0X1411 124 125 /* R_S_16C_16 R_16C_DISPL R_PCREL R_CODE_ADDR */ 126 #define R_16C_DISP16_C 0X1416 127 128 /* R_S_16C_24 R_16C_DISPL R_PCREL R_ADDRESS */ 129 #define R_16C_DISP24 0X7411 130 131 /* R_S_16C_24 R_16C_DISPL R_PCREL R_CODE_ADDR */ 132 #define R_16C_DISP24_C 0X7416 133 134 /* R_S_16C_24a R_16C_DISPL R_PCREL R_ADDRESS */ 135 #define R_16C_DISP24a 0X6411 136 137 /* R_S_16C_24a R_16C_DISPL R_PCREL R_CODE_ADDR */ 138 #define R_16C_DISP24a_C 0X6416 139 140 /* R_S_16C_04 R_16C_REGREL R_ABS R_ADDRESS */ 141 #define R_16C_REG04 0X5201 142 143 /* R_S_16C_04 R_16C_REGREL R_ABS R_CODE_ADDR */ 144 #define R_16C_REG04_C 0X5206 145 146 /* R_S_16C_04_a R_16C_REGREL R_ABS R_ADDRESS */ 147 #define R_16C_REG04a 0X4201 148 149 /* R_S_16C_04_a R_16C_REGREL R_ABS R_CODE_ADDR */ 150 #define R_16C_REG04a_C 0X4206 151 152 /* R_S_16C_14 R_16C_REGREL R_ABS R_ADDRESS */ 153 #define R_16C_REG14 0X3201 154 155 /* R_S_16C_14 R_16C_REGREL R_ABS R_CODE_ADDR */ 156 #define R_16C_REG14_C 0X3206 157 158 /* R_S_16C_16 R_16C_REGREL R_ABS R_ADDRESS */ 159 #define R_16C_REG16 0X1201 160 161 /* R_S_16C_16 R_16C_REGREL R_ABS R_CODE_ADDR */ 162 #define R_16C_REG16_C 0X1206 163 164 /* R_S_16C_20 R_16C_REGREL R_ABS R_ADDRESS */ 165 #define R_16C_REG20 0X8201 166 167 /* R_S_16C_20 R_16C_REGREL R_ABS R_CODE_ADDR */ 168 #define R_16C_REG20_C 0X8206 169 170 /* R_S_16C_20 R_16C_ABS R_ABS R_ADDRESS */ 171 #define R_16C_ABS20 0X8101 172 173 /* R_S_16C_20 R_16C_ABS R_ABS R_CODE_ADDR */ 174 #define R_16C_ABS20_C 0X8106 175 176 /* R_S_16C_24 R_16C_ABS R_ABS R_ADDRESS */ 177 #define R_16C_ABS24 0X7101 178 179 /* R_S_16C_24 R_16C_ABS R_ABS R_CODE_ADDR */ 180 #define R_16C_ABS24_C 0X7106 181 182 /* R_S_16C_04 R_16C_IMMED R_ABS R_ADDRESS */ 183 #define R_16C_IMM04 0X5301 184 185 /* R_S_16C_04 R_16C_IMMED R_ABS R_CODE_ADDR */ 186 #define R_16C_IMM04_C 0X5306 187 188 /* R_S_16C_16 R_16C_IMMED R_ABS R_ADDRESS */ 189 #define R_16C_IMM16 0X1301 190 191 /* R_S_16C_16 R_16C_IMMED R_ABS R_CODE_ADDR */ 192 #define R_16C_IMM16_C 0X1306 193 194 /* R_S_16C_20 R_16C_IMMED R_ABS R_ADDRESS */ 195 #define R_16C_IMM20 0X8301 196 197 /* R_S_16C_20 R_16C_IMMED R_ABS R_CODE_ADDR */ 198 #define R_16C_IMM20_C 0X8306 199 200 /* R_S_16C_24 R_16C_IMMED R_ABS R_ADDRESS */ 201 #define R_16C_IMM24 0X7301 202 203 /* R_S_16C_24 R_16C_IMMED R_ABS R_CODE_ADDR */ 204 #define R_16C_IMM24_C 0X7306 205 206 /* R_S_16C_32 R_16C_IMMED R_ABS R_ADDRESS */ 207 #define R_16C_IMM32 0X2301 208 209 /* R_S_16C_32 R_16C_IMMED R_ABS R_CODE_ADDR */ 210 #define R_16C_IMM32_C 0X2306 211 212 213 /* Relocation item type. */ 214 #define R_ADDRTYPE 0x000f 215 #define R_ADDRESS 0x0001 /* Take address of symbol. */ 216 #define R_CODE_ADDR 0x0006 /* Take address of symbol divided by 2. */ 217 218 /* Relocation action. */ 219 #define R_RELTO 0x00f0 220 #define R_ABS 0x0000 /* Keep symbol's address as such. */ 221 #define R_PCREL 0x0010 /* Subtract the pc address of hole. */ 222 223 /* Relocation item data format. */ 224 #define R_FORMAT 0x0f00 225 #define R_NUMBER 0x0000 /* Retain as two's complement value. */ 226 #define R_16C_DISPL 0x0400 /* CR16C displacement type. */ 227 #define R_16C_ABS 0x0100 /* CR16C absolute type. */ 228 #define R_16C_REGREL 0x0200 /* CR16C register-relative type. */ 229 #define R_16C_IMMED 0x0300 /* CR16C immediate type. */ 230 231 /* Relocation item size. */ 232 #define R_SIZESP 0xf000 233 #define R_S_16C_04 0x5000 234 #define R_S_16C_04_a 0x4000 235 #define R_S_16C_08 0x0000 236 #define R_S_16C_14 0x3000 237 #define R_S_16C_16 0x1000 238 #define R_S_16C_20 0x8000 239 #define R_S_16C_24_a 0x6000 240 #define R_S_16C_24 0x7000 241 #define R_S_16C_32 0x2000 242 243 244 /* Processor specific section indices. These sections do not actually 245 exist. Symbols with a st_shndx field corresponding to one of these 246 values have a special meaning. */ 247 248 /* Far common symbol. */ 249 #define SHN_CR16C_FCOMMON SHN_LORESERVE 250 #define SHN_CR16C_NCOMMON (SHN_LORESERVE + 1) 251 252 typedef struct reloc_map 253 { 254 unsigned short cr_reloc_type; /* CR relocation type. */ 255 bfd_reloc_code_real_type bfd_reloc_enum; /* BFD relocation enum. */ 256 } RELOC_MAP; 257 258 #endif /* _ELF_CR16C_H */ 259