| 1 | /* RL78 ELF support for BFD. |
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| 2 | Copyright (C) 2008-2013 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_RL78_H |
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| 21 | #define _ELF_RL78_H |
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| 22 | |
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| 23 | #include "elf/reloc-macros.h" |
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| 24 | |
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| 25 | /* Note that there are a few internal relocation types used by the |
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| 26 | linker to do link-time relaxation. If you update this file, please |
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| 27 | check elf32-rl78.c to see if any of the internal relocations need to |
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| 28 | be, er, relocated. */ |
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| 29 | |
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| 30 | /* Preliminary relocations. */ |
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| 31 | START_RELOC_NUMBERS (elf_rl78_reloc_type) |
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| 32 | |
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| 33 | RELOC_NUMBER (R_RL78_NONE, 0x00) |
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| 34 | /* These are for data, and are bi-endian. */ |
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| 35 | RELOC_NUMBER (R_RL78_DIR32, 0x01) /* Was: R_RL78_32. */ |
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| 36 | RELOC_NUMBER (R_RL78_DIR24S, 0x02) /* Was: R_RL78_24. */ |
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| 37 | RELOC_NUMBER (R_RL78_DIR16, 0x03) |
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| 38 | RELOC_NUMBER (R_RL78_DIR16U, 0x04) /* Was: R_RL78_16_UNS. */ |
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| 39 | RELOC_NUMBER (R_RL78_DIR16S, 0x05) /* Was: R_RL78_16. */ |
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| 40 | RELOC_NUMBER (R_RL78_DIR8, 0x06) |
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| 41 | RELOC_NUMBER (R_RL78_DIR8U, 0x07) /* Was: R_RL78_8_UNS. */ |
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| 42 | RELOC_NUMBER (R_RL78_DIR8S, 0x08) /* Was: R_RL78_8. */ |
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| 43 | |
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| 44 | /* Signed pc-relative values. */ |
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| 45 | RELOC_NUMBER (R_RL78_DIR24S_PCREL, 0x09) /* Was: R_RL78_24_PCREL. */ |
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| 46 | RELOC_NUMBER (R_RL78_DIR16S_PCREL, 0x0a) /* Was: R_RL78_16_PCREL. */ |
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| 47 | RELOC_NUMBER (R_RL78_DIR8S_PCREL, 0x0b) /* Was: R_RL78_8_PCREL. */ |
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| 48 | |
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| 49 | /* These are for fields in the instructions. */ |
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| 50 | RELOC_NUMBER (R_RL78_DIR16UL, 0x0c) |
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| 51 | RELOC_NUMBER (R_RL78_DIR16UW, 0x0d) |
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| 52 | RELOC_NUMBER (R_RL78_DIR8UL, 0x0e) |
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| 53 | RELOC_NUMBER (R_RL78_DIR8UW, 0x0f) |
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| 54 | RELOC_NUMBER (R_RL78_DIR32_REV, 0x10) |
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| 55 | RELOC_NUMBER (R_RL78_DIR16_REV, 0x11) |
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| 56 | RELOC_NUMBER (R_RL78_DIR3U_PCREL, 0x12) |
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| 57 | |
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| 58 | /* These are extensions added by Red Hat. */ |
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| 59 | RELOC_NUMBER (R_RL78_RH_RELAX, 0x2d) /* Marks opcodes suitable for linker relaxation. */ |
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| 60 | RELOC_NUMBER (R_RL78_RH_SFR, 0x2e) /* SFR addresses - internal use only. */ |
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| 61 | RELOC_NUMBER (R_RL78_RH_SADDR, 0x2f) /* SADDR addresses - internal use only.. */ |
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| 62 | |
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| 63 | /* These are for complex relocs. */ |
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| 64 | RELOC_NUMBER (R_RL78_ABS32, 0x41) |
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| 65 | RELOC_NUMBER (R_RL78_ABS24S, 0x42) |
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| 66 | RELOC_NUMBER (R_RL78_ABS16, 0x43) |
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| 67 | RELOC_NUMBER (R_RL78_ABS16U, 0x44) |
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| 68 | RELOC_NUMBER (R_RL78_ABS16S, 0x45) |
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| 69 | RELOC_NUMBER (R_RL78_ABS8, 0x46) |
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| 70 | RELOC_NUMBER (R_RL78_ABS8U, 0x47) |
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| 71 | RELOC_NUMBER (R_RL78_ABS8S, 0x48) |
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| 72 | RELOC_NUMBER (R_RL78_ABS24S_PCREL, 0x49) |
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| 73 | RELOC_NUMBER (R_RL78_ABS16S_PCREL, 0x4a) |
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| 74 | RELOC_NUMBER (R_RL78_ABS8S_PCREL, 0x4b) |
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| 75 | RELOC_NUMBER (R_RL78_ABS16UL, 0x4c) |
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| 76 | RELOC_NUMBER (R_RL78_ABS16UW, 0x4d) |
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| 77 | RELOC_NUMBER (R_RL78_ABS8UL, 0x4e) |
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| 78 | RELOC_NUMBER (R_RL78_ABS8UW, 0x4f) |
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| 79 | RELOC_NUMBER (R_RL78_ABS32_REV, 0x50) |
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| 80 | RELOC_NUMBER (R_RL78_ABS16_REV, 0x51) |
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| 81 | |
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| 82 | RELOC_NUMBER (R_RL78_SYM, 0x80) |
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| 83 | RELOC_NUMBER (R_RL78_OPneg, 0x81) |
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| 84 | RELOC_NUMBER (R_RL78_OPadd, 0x82) |
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| 85 | RELOC_NUMBER (R_RL78_OPsub, 0x83) |
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| 86 | RELOC_NUMBER (R_RL78_OPmul, 0x84) |
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| 87 | RELOC_NUMBER (R_RL78_OPdiv, 0x85) |
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| 88 | RELOC_NUMBER (R_RL78_OPshla, 0x86) |
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| 89 | RELOC_NUMBER (R_RL78_OPshra, 0x87) |
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| 90 | RELOC_NUMBER (R_RL78_OPsctsize, 0x88) |
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| 91 | RELOC_NUMBER (R_RL78_OPscttop, 0x8d) |
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| 92 | RELOC_NUMBER (R_RL78_OPand, 0x90) |
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| 93 | RELOC_NUMBER (R_RL78_OPor, 0x91) |
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| 94 | RELOC_NUMBER (R_RL78_OPxor, 0x92) |
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| 95 | RELOC_NUMBER (R_RL78_OPnot, 0x93) |
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| 96 | RELOC_NUMBER (R_RL78_OPmod, 0x94) |
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| 97 | RELOC_NUMBER (R_RL78_OPromtop, 0x95) |
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| 98 | RELOC_NUMBER (R_RL78_OPramtop, 0x96) |
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| 99 | |
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| 100 | END_RELOC_NUMBERS (R_RL78_max) |
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| 101 | |
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| 102 | #define EF_RL78_CPU_RL78 0x00000079 /* FIXME: correct value? */ |
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| 103 | #define EF_RL78_CPU_MASK 0x0000007F /* specific cpu bits. */ |
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| 104 | #define EF_RL78_ALL_FLAGS (EF_RL78_CPU_MASK) |
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| 105 | |
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| 106 | /* Values for the e_flags field in the ELF header. */ |
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| 107 | #define E_FLAG_RL78_64BIT_DOUBLES (1 << 0) |
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| 108 | #define E_FLAG_RL78_DSP (1 << 1) /* Defined in the RL78 CPU Object file specification, but not explained. */ |
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| 109 | #define E_FLAG_RL78_G10 (1 << 2) /* CPU is missing register banks 1-3, so uses different ABI. */ |
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| 110 | |
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| 111 | /* These define the addend field of R_RL78_RH_RELAX relocations. */ |
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| 112 | #define RL78_RELAXA_BRA 0x00000010 /* Any type of branch (must be decoded). */ |
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| 113 | #define RL78_RELAXA_ADDR16 0x00000020 /* addr16->sfr/saddr opportunity */ |
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| 114 | #define RL78_RELAXA_RNUM 0x0000000f /* Number of associated relocations. */ |
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| 115 | /* These mark the place where alignment is requested, and the place where the filler bytes end. */ |
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| 116 | #define RL78_RELAXA_ALIGN 0x10000000 /* Start alignment; the remaining bits are the alignment value. */ |
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| 117 | #define RL78_RELAXA_ELIGN 0x20000000 /* End alignment; the remaining bits are the alignment value. */ |
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| 118 | #define RL78_RELAXA_ANUM 0x00ffffff /* Alignment amount, in bytes (i.e. .balign). */ |
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| 119 | |
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| 120 | #endif /* _ELF_RL78_H */ |
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