[444] | 1 | /* CR16C ELF support for BFD. |
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| 2 | Copyright 2004, 2008, 2010 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of BFD, the Binary File Descriptor library. |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 3 of the License, or |
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| 9 | (at your option) any later version. |
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| 10 | |
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| 11 | This program is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | GNU General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with this program; if not, write to the Free Software Foundation, |
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| 18 | Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
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| 19 | |
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| 20 | #ifndef _ELF_CR16C_H |
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| 21 | #define _ELF_CR16C_H |
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| 22 | |
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| 23 | #include "bfd.h" |
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| 24 | #include "elf/reloc-macros.h" |
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| 25 | |
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| 26 | /* Creating indices for reloc_map_index array. */ |
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| 27 | START_RELOC_NUMBERS (elf_cr16c_reloc_type) |
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| 28 | RELOC_NUMBER (RINDEX_16C_NUM08, 0) |
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| 29 | RELOC_NUMBER (RINDEX_16C_NUM08_C, 1) |
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| 30 | RELOC_NUMBER (RINDEX_16C_NUM16, 2) |
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| 31 | RELOC_NUMBER (RINDEX_16C_NUM16_C, 3) |
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| 32 | RELOC_NUMBER (RINDEX_16C_NUM32, 4) |
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| 33 | RELOC_NUMBER (RINDEX_16C_NUM32_C, 5) |
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| 34 | RELOC_NUMBER (RINDEX_16C_DISP04, 6) |
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| 35 | RELOC_NUMBER (RINDEX_16C_DISP04_C, 7) |
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| 36 | RELOC_NUMBER (RINDEX_16C_DISP08, 8) |
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| 37 | RELOC_NUMBER (RINDEX_16C_DISP08_C, 9) |
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| 38 | RELOC_NUMBER (RINDEX_16C_DISP16, 10) |
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| 39 | RELOC_NUMBER (RINDEX_16C_DISP16_C, 11) |
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| 40 | RELOC_NUMBER (RINDEX_16C_DISP24, 12) |
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| 41 | RELOC_NUMBER (RINDEX_16C_DISP24_C, 13) |
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| 42 | RELOC_NUMBER (RINDEX_16C_DISP24a, 14) |
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| 43 | RELOC_NUMBER (RINDEX_16C_DISP24a_C, 15) |
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| 44 | RELOC_NUMBER (RINDEX_16C_REG04, 16) |
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| 45 | RELOC_NUMBER (RINDEX_16C_REG04_C, 17) |
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| 46 | RELOC_NUMBER (RINDEX_16C_REG04a, 18) |
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| 47 | RELOC_NUMBER (RINDEX_16C_REG04a_C, 19) |
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| 48 | RELOC_NUMBER (RINDEX_16C_REG14, 20) |
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| 49 | RELOC_NUMBER (RINDEX_16C_REG14_C, 21) |
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| 50 | RELOC_NUMBER (RINDEX_16C_REG16, 22) |
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| 51 | RELOC_NUMBER (RINDEX_16C_REG16_C, 23) |
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| 52 | RELOC_NUMBER (RINDEX_16C_REG20, 24) |
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| 53 | RELOC_NUMBER (RINDEX_16C_REG20_C, 25) |
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| 54 | RELOC_NUMBER (RINDEX_16C_ABS20, 26) |
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| 55 | RELOC_NUMBER (RINDEX_16C_ABS20_C, 27) |
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| 56 | RELOC_NUMBER (RINDEX_16C_ABS24, 28) |
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| 57 | RELOC_NUMBER (RINDEX_16C_ABS24_C, 29) |
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| 58 | RELOC_NUMBER (RINDEX_16C_IMM04, 30) |
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| 59 | RELOC_NUMBER (RINDEX_16C_IMM04_C, 31) |
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| 60 | RELOC_NUMBER (RINDEX_16C_IMM16, 32) |
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| 61 | RELOC_NUMBER (RINDEX_16C_IMM16_C, 33) |
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| 62 | RELOC_NUMBER (RINDEX_16C_IMM20, 34) |
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| 63 | RELOC_NUMBER (RINDEX_16C_IMM20_C, 35) |
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| 64 | RELOC_NUMBER (RINDEX_16C_IMM24, 36) |
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| 65 | RELOC_NUMBER (RINDEX_16C_IMM24_C, 37) |
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| 66 | RELOC_NUMBER (RINDEX_16C_IMM32, 38) |
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| 67 | RELOC_NUMBER (RINDEX_16C_IMM32_C, 39) |
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| 68 | END_RELOC_NUMBERS (RINDEX_16C_MAX) |
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| 69 | |
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| 70 | /* CR16C Relocation Types ('cr_reloc_type' entry in the reloc_map structure). |
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| 71 | The relocation constant name is determined as follows : |
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| 72 | |
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| 73 | R_16C_<format><size>[_C] |
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| 74 | |
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| 75 | Where : |
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| 76 | |
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| 77 | <format> is one of the following: |
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| 78 | NUM - R_NUMBER mnemonic, |
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| 79 | DISP - R_16C_DISPL mnemonic, |
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| 80 | REG - R_16C_REGREL mnemonic, |
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| 81 | ABS - R_16C_ABS mnemonic, |
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| 82 | IMM - R_16C_IMMED mnemonic, |
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| 83 | <size> stands for R_S_16C_<size> |
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| 84 | _C means 'code label' and is only added when R_ADDRTYPE subfield |
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| 85 | is of type R_CODE_ADDR. */ |
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| 86 | |
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| 87 | /* The table below shows what the hex digits in the definition of the |
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| 88 | relocation type constants correspond to. |
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| 89 | ------------------------------------------------------------------ |
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| 90 | R_SIZESP R_FORMAT R_RELTO R_ADDRTYPE |
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| 91 | ------------------------------------------------------------------ */ |
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| 92 | /* R_S_16C_08 R_NUMBER R_ABS R_ADDRESS */ |
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| 93 | #define R_16C_NUM08 0X0001 |
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| 94 | |
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| 95 | /* R_S_16C_08 R_NUMBER R_ABS R_CODE_ADDR */ |
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| 96 | #define R_16C_NUM08_C 0X0006 |
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| 97 | |
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| 98 | /* R_S_16C_16 R_NUMBER R_ABS R_ADDRESS */ |
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| 99 | #define R_16C_NUM16 0X1001 |
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| 100 | |
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| 101 | /* R_S_16C_16 R_NUMBER R_ABS R_CODE_ADDR */ |
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| 102 | #define R_16C_NUM16_C 0X1006 |
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| 103 | |
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| 104 | /* R_S_16C_32 R_NUMBER R_ABS R_ADDRESS */ |
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| 105 | #define R_16C_NUM32 0X2001 |
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| 106 | |
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| 107 | /* R_S_16C_32 R_NUMBER R_ABS R_CODE_ADDR */ |
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| 108 | #define R_16C_NUM32_C 0X2006 |
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| 109 | |
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| 110 | /* R_S_16C_04 R_16C_DISPL R_PCREL R_ADDRESS */ |
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| 111 | #define R_16C_DISP04 0X5411 |
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| 112 | |
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| 113 | /* R_S_16C_04 R_16C_DISPL R_PCREL R_CODE_ADDR */ |
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| 114 | #define R_16C_DISP04_C 0X5416 |
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| 115 | |
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| 116 | /* R_S_16C_08 R_16C_DISPL R_PCREL R_ADDRESS */ |
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| 117 | #define R_16C_DISP08 0X0411 |
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| 118 | |
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| 119 | /* R_S_16C_08 R_16C_DISPL R_PCREL R_CODE_ADDR */ |
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| 120 | #define R_16C_DISP08_C 0X0416 |
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| 121 | |
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| 122 | /* R_S_16C_16 R_16C_DISPL R_PCREL R_ADDRESS */ |
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| 123 | #define R_16C_DISP16 0X1411 |
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| 124 | |
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| 125 | /* R_S_16C_16 R_16C_DISPL R_PCREL R_CODE_ADDR */ |
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| 126 | #define R_16C_DISP16_C 0X1416 |
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| 127 | |
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| 128 | /* R_S_16C_24 R_16C_DISPL R_PCREL R_ADDRESS */ |
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| 129 | #define R_16C_DISP24 0X7411 |
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| 130 | |
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| 131 | /* R_S_16C_24 R_16C_DISPL R_PCREL R_CODE_ADDR */ |
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| 132 | #define R_16C_DISP24_C 0X7416 |
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| 133 | |
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| 134 | /* R_S_16C_24a R_16C_DISPL R_PCREL R_ADDRESS */ |
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| 135 | #define R_16C_DISP24a 0X6411 |
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| 136 | |
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| 137 | /* R_S_16C_24a R_16C_DISPL R_PCREL R_CODE_ADDR */ |
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| 138 | #define R_16C_DISP24a_C 0X6416 |
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| 139 | |
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| 140 | /* R_S_16C_04 R_16C_REGREL R_ABS R_ADDRESS */ |
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| 141 | #define R_16C_REG04 0X5201 |
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| 142 | |
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| 143 | /* R_S_16C_04 R_16C_REGREL R_ABS R_CODE_ADDR */ |
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| 144 | #define R_16C_REG04_C 0X5206 |
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| 145 | |
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| 146 | /* R_S_16C_04_a R_16C_REGREL R_ABS R_ADDRESS */ |
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| 147 | #define R_16C_REG04a 0X4201 |
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| 148 | |
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| 149 | /* R_S_16C_04_a R_16C_REGREL R_ABS R_CODE_ADDR */ |
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| 150 | #define R_16C_REG04a_C 0X4206 |
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| 151 | |
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| 152 | /* R_S_16C_14 R_16C_REGREL R_ABS R_ADDRESS */ |
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| 153 | #define R_16C_REG14 0X3201 |
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| 154 | |
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| 155 | /* R_S_16C_14 R_16C_REGREL R_ABS R_CODE_ADDR */ |
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| 156 | #define R_16C_REG14_C 0X3206 |
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| 157 | |
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| 158 | /* R_S_16C_16 R_16C_REGREL R_ABS R_ADDRESS */ |
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| 159 | #define R_16C_REG16 0X1201 |
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| 160 | |
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| 161 | /* R_S_16C_16 R_16C_REGREL R_ABS R_CODE_ADDR */ |
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| 162 | #define R_16C_REG16_C 0X1206 |
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| 163 | |
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| 164 | /* R_S_16C_20 R_16C_REGREL R_ABS R_ADDRESS */ |
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| 165 | #define R_16C_REG20 0X8201 |
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| 166 | |
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| 167 | /* R_S_16C_20 R_16C_REGREL R_ABS R_CODE_ADDR */ |
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| 168 | #define R_16C_REG20_C 0X8206 |
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| 169 | |
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| 170 | /* R_S_16C_20 R_16C_ABS R_ABS R_ADDRESS */ |
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| 171 | #define R_16C_ABS20 0X8101 |
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| 172 | |
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| 173 | /* R_S_16C_20 R_16C_ABS R_ABS R_CODE_ADDR */ |
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| 174 | #define R_16C_ABS20_C 0X8106 |
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| 175 | |
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| 176 | /* R_S_16C_24 R_16C_ABS R_ABS R_ADDRESS */ |
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| 177 | #define R_16C_ABS24 0X7101 |
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| 178 | |
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| 179 | /* R_S_16C_24 R_16C_ABS R_ABS R_CODE_ADDR */ |
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| 180 | #define R_16C_ABS24_C 0X7106 |
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| 181 | |
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| 182 | /* R_S_16C_04 R_16C_IMMED R_ABS R_ADDRESS */ |
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| 183 | #define R_16C_IMM04 0X5301 |
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| 184 | |
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| 185 | /* R_S_16C_04 R_16C_IMMED R_ABS R_CODE_ADDR */ |
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| 186 | #define R_16C_IMM04_C 0X5306 |
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| 187 | |
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| 188 | /* R_S_16C_16 R_16C_IMMED R_ABS R_ADDRESS */ |
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| 189 | #define R_16C_IMM16 0X1301 |
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| 190 | |
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| 191 | /* R_S_16C_16 R_16C_IMMED R_ABS R_CODE_ADDR */ |
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| 192 | #define R_16C_IMM16_C 0X1306 |
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| 193 | |
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| 194 | /* R_S_16C_20 R_16C_IMMED R_ABS R_ADDRESS */ |
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| 195 | #define R_16C_IMM20 0X8301 |
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| 196 | |
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| 197 | /* R_S_16C_20 R_16C_IMMED R_ABS R_CODE_ADDR */ |
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| 198 | #define R_16C_IMM20_C 0X8306 |
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| 199 | |
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| 200 | /* R_S_16C_24 R_16C_IMMED R_ABS R_ADDRESS */ |
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| 201 | #define R_16C_IMM24 0X7301 |
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| 202 | |
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| 203 | /* R_S_16C_24 R_16C_IMMED R_ABS R_CODE_ADDR */ |
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| 204 | #define R_16C_IMM24_C 0X7306 |
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| 205 | |
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| 206 | /* R_S_16C_32 R_16C_IMMED R_ABS R_ADDRESS */ |
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| 207 | #define R_16C_IMM32 0X2301 |
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| 208 | |
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| 209 | /* R_S_16C_32 R_16C_IMMED R_ABS R_CODE_ADDR */ |
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| 210 | #define R_16C_IMM32_C 0X2306 |
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| 211 | |
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| 212 | |
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| 213 | /* Relocation item type. */ |
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| 214 | #define R_ADDRTYPE 0x000f |
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| 215 | #define R_ADDRESS 0x0001 /* Take address of symbol. */ |
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| 216 | #define R_CODE_ADDR 0x0006 /* Take address of symbol divided by 2. */ |
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| 217 | |
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| 218 | /* Relocation action. */ |
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| 219 | #define R_RELTO 0x00f0 |
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| 220 | #define R_ABS 0x0000 /* Keep symbol's address as such. */ |
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| 221 | #define R_PCREL 0x0010 /* Subtract the pc address of hole. */ |
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| 222 | |
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| 223 | /* Relocation item data format. */ |
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| 224 | #define R_FORMAT 0x0f00 |
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| 225 | #define R_NUMBER 0x0000 /* Retain as two's complement value. */ |
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| 226 | #define R_16C_DISPL 0x0400 /* CR16C displacement type. */ |
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| 227 | #define R_16C_ABS 0x0100 /* CR16C absolute type. */ |
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| 228 | #define R_16C_REGREL 0x0200 /* CR16C register-relative type. */ |
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| 229 | #define R_16C_IMMED 0x0300 /* CR16C immediate type. */ |
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| 230 | |
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| 231 | /* Relocation item size. */ |
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| 232 | #define R_SIZESP 0xf000 |
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| 233 | #define R_S_16C_04 0x5000 |
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| 234 | #define R_S_16C_04_a 0x4000 |
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| 235 | #define R_S_16C_08 0x0000 |
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| 236 | #define R_S_16C_14 0x3000 |
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| 237 | #define R_S_16C_16 0x1000 |
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| 238 | #define R_S_16C_20 0x8000 |
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| 239 | #define R_S_16C_24_a 0x6000 |
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| 240 | #define R_S_16C_24 0x7000 |
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| 241 | #define R_S_16C_32 0x2000 |
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| 242 | |
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| 243 | |
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| 244 | /* Processor specific section indices. These sections do not actually |
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| 245 | exist. Symbols with a st_shndx field corresponding to one of these |
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| 246 | values have a special meaning. */ |
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| 247 | |
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| 248 | /* Far common symbol. */ |
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| 249 | #define SHN_CR16C_FCOMMON SHN_LORESERVE |
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| 250 | #define SHN_CR16C_NCOMMON (SHN_LORESERVE + 1) |
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| 251 | |
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| 252 | typedef struct reloc_map |
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| 253 | { |
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| 254 | unsigned short cr_reloc_type; /* CR relocation type. */ |
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| 255 | bfd_reloc_code_real_type bfd_reloc_enum; /* BFD relocation enum. */ |
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| 256 | } RELOC_MAP; |
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| 257 | |
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| 258 | #endif /* _ELF_CR16C_H */ |
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