1 /* RL78 ELF support for BFD. 2 Copyright (C) 2008-2014 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_RL78_H 21 #define _ELF_RL78_H 22 23 #include "elf/reloc-macros.h" 24 25 /* Note that there are a few internal relocation types used by the 26 linker to do link-time relaxation. If you update this file, please 27 check elf32-rl78.c to see if any of the internal relocations need to 28 be, er, relocated. */ 29 30 /* Preliminary relocations. */ 31 START_RELOC_NUMBERS (elf_rl78_reloc_type) 32 33 RELOC_NUMBER (R_RL78_NONE, 0x00) 34 /* These are for data, and are bi-endian. */ 35 RELOC_NUMBER (R_RL78_DIR32, 0x01) /* Was: R_RL78_32. */ 36 RELOC_NUMBER (R_RL78_DIR24S, 0x02) /* Was: R_RL78_24. */ 37 RELOC_NUMBER (R_RL78_DIR16, 0x03) 38 RELOC_NUMBER (R_RL78_DIR16U, 0x04) /* Was: R_RL78_16_UNS. */ 39 RELOC_NUMBER (R_RL78_DIR16S, 0x05) /* Was: R_RL78_16. */ 40 RELOC_NUMBER (R_RL78_DIR8, 0x06) 41 RELOC_NUMBER (R_RL78_DIR8U, 0x07) /* Was: R_RL78_8_UNS. */ 42 RELOC_NUMBER (R_RL78_DIR8S, 0x08) /* Was: R_RL78_8. */ 43 44 /* Signed pc-relative values. */ 45 RELOC_NUMBER (R_RL78_DIR24S_PCREL, 0x09) /* Was: R_RL78_24_PCREL. */ 46 RELOC_NUMBER (R_RL78_DIR16S_PCREL, 0x0a) /* Was: R_RL78_16_PCREL. */ 47 RELOC_NUMBER (R_RL78_DIR8S_PCREL, 0x0b) /* Was: R_RL78_8_PCREL. */ 48 49 /* These are for fields in the instructions. */ 50 RELOC_NUMBER (R_RL78_DIR16UL, 0x0c) 51 RELOC_NUMBER (R_RL78_DIR16UW, 0x0d) 52 RELOC_NUMBER (R_RL78_DIR8UL, 0x0e) 53 RELOC_NUMBER (R_RL78_DIR8UW, 0x0f) 54 RELOC_NUMBER (R_RL78_DIR32_REV, 0x10) 55 RELOC_NUMBER (R_RL78_DIR16_REV, 0x11) 56 RELOC_NUMBER (R_RL78_DIR3U_PCREL, 0x12) 57 58 /* These are extensions added by Red Hat. */ 59 RELOC_NUMBER (R_RL78_RH_RELAX, 0x2d) /* Marks opcodes suitable for linker relaxation. */ 60 RELOC_NUMBER (R_RL78_RH_SFR, 0x2e) /* SFR addresses - internal use only. */ 61 RELOC_NUMBER (R_RL78_RH_SADDR, 0x2f) /* SADDR addresses - internal use only.. */ 62 63 /* These are for complex relocs. */ 64 RELOC_NUMBER (R_RL78_ABS32, 0x41) 65 RELOC_NUMBER (R_RL78_ABS24S, 0x42) 66 RELOC_NUMBER (R_RL78_ABS16, 0x43) 67 RELOC_NUMBER (R_RL78_ABS16U, 0x44) 68 RELOC_NUMBER (R_RL78_ABS16S, 0x45) 69 RELOC_NUMBER (R_RL78_ABS8, 0x46) 70 RELOC_NUMBER (R_RL78_ABS8U, 0x47) 71 RELOC_NUMBER (R_RL78_ABS8S, 0x48) 72 RELOC_NUMBER (R_RL78_ABS24S_PCREL, 0x49) 73 RELOC_NUMBER (R_RL78_ABS16S_PCREL, 0x4a) 74 RELOC_NUMBER (R_RL78_ABS8S_PCREL, 0x4b) 75 RELOC_NUMBER (R_RL78_ABS16UL, 0x4c) 76 RELOC_NUMBER (R_RL78_ABS16UW, 0x4d) 77 RELOC_NUMBER (R_RL78_ABS8UL, 0x4e) 78 RELOC_NUMBER (R_RL78_ABS8UW, 0x4f) 79 RELOC_NUMBER (R_RL78_ABS32_REV, 0x50) 80 RELOC_NUMBER (R_RL78_ABS16_REV, 0x51) 81 82 RELOC_NUMBER (R_RL78_SYM, 0x80) 83 RELOC_NUMBER (R_RL78_OPneg, 0x81) 84 RELOC_NUMBER (R_RL78_OPadd, 0x82) 85 RELOC_NUMBER (R_RL78_OPsub, 0x83) 86 RELOC_NUMBER (R_RL78_OPmul, 0x84) 87 RELOC_NUMBER (R_RL78_OPdiv, 0x85) 88 RELOC_NUMBER (R_RL78_OPshla, 0x86) 89 RELOC_NUMBER (R_RL78_OPshra, 0x87) 90 RELOC_NUMBER (R_RL78_OPsctsize, 0x88) 91 RELOC_NUMBER (R_RL78_OPscttop, 0x8d) 92 RELOC_NUMBER (R_RL78_OPand, 0x90) 93 RELOC_NUMBER (R_RL78_OPor, 0x91) 94 RELOC_NUMBER (R_RL78_OPxor, 0x92) 95 RELOC_NUMBER (R_RL78_OPnot, 0x93) 96 RELOC_NUMBER (R_RL78_OPmod, 0x94) 97 RELOC_NUMBER (R_RL78_OPromtop, 0x95) 98 RELOC_NUMBER (R_RL78_OPramtop, 0x96) 99 100 END_RELOC_NUMBERS (R_RL78_max) 101 102 #define EF_RL78_CPU_RL78 0x00000079 /* FIXME: correct value? */ 103 #define EF_RL78_CPU_MASK 0x0000007F /* specific cpu bits. */ 104 #define EF_RL78_ALL_FLAGS (EF_RL78_CPU_MASK) 105 106 /* Values for the e_flags field in the ELF header. */ 107 #define E_FLAG_RL78_64BIT_DOUBLES (1 << 0) 108 #define E_FLAG_RL78_DSP (1 << 1) /* Defined in the RL78 CPU Object file specification, but not explained. */ 109 #define E_FLAG_RL78_G10 (1 << 2) /* CPU is missing register banks 1-3, so uses different ABI. */ 110 111 /* These define the addend field of R_RL78_RH_RELAX relocations. */ 112 #define RL78_RELAXA_MASK 0x000000f0 /* Mask for relax types */ 113 #define RL78_RELAXA_BRA 0x00000010 /* Any type of branch (must be decoded). */ 114 #define RL78_RELAXA_ADDR16 0x00000020 /* addr16->sfr/saddr opportunity */ 115 #define RL78_RELAXA_RNUM 0x0000000f /* Number of associated relocations. */ 116 /* These mark the place where alignment is requested, and the place where the filler bytes end. */ 117 #define RL78_RELAXA_ALIGN 0x10000000 /* Start alignment; the remaining bits are the alignment value. */ 118 #define RL78_RELAXA_ELIGN 0x20000000 /* End alignment; the remaining bits are the alignment value. */ 119 #define RL78_RELAXA_ANUM 0x00ffffff /* Alignment amount, in bytes (i.e. .balign). */ 120 121 #endif /* _ELF_RL78_H */ 122
