projects / binutils.git / blame
| Commit | Line | Data |
|---|---|---|
| c7927a3c | 1 | /* RX ELF support for BFD. |
| 250d07de | 2 | Copyright (C) 2008-2021 Free Software Foundation, Inc. |
| c7927a3c NC |
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 | |
| e4e42b45 NC |
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. */ | |
| c7927a3c NC |
19 | |
| 20 | #ifndef _ELF_RX_H | |
| 21 | #define _ELF_RX_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-rx.c to see if any of the internal relocations need to | |
| 28 | be, er, relocated. */ | |
| 29 | ||
| 30 | /* Preliminary relocations. */ | |
| 31 | START_RELOC_NUMBERS (elf_rx_reloc_type) | |
| 32 | ||
| 33 | RELOC_NUMBER (R_RX_NONE, 0x00) | |
| 34 | /* These are for data, and are bi-endian. */ | |
| 35 | RELOC_NUMBER (R_RX_DIR32, 0x01) /* Was: R_RX_32. */ | |
| 36 | RELOC_NUMBER (R_RX_DIR24S, 0x02) /* Was: R_RX_24. */ | |
| 37 | RELOC_NUMBER (R_RX_DIR16, 0x03) | |
| 38 | RELOC_NUMBER (R_RX_DIR16U, 0x04) /* Was: R_RX_16_UNS. */ | |
| 39 | RELOC_NUMBER (R_RX_DIR16S, 0x05) /* Was: R_RX_16. */ | |
| 40 | RELOC_NUMBER (R_RX_DIR8, 0x06) | |
| 41 | RELOC_NUMBER (R_RX_DIR8U, 0x07) /* Was: R_RX_8_UNS. */ | |
| 42 | RELOC_NUMBER (R_RX_DIR8S, 0x08) /* Was: R_RX_8. */ | |
| 43 | ||
| 44 | /* Signed pc-relative values. */ | |
| 45 | RELOC_NUMBER (R_RX_DIR24S_PCREL, 0x09) /* Was: R_RX_24_PCREL. */ | |
| 46 | RELOC_NUMBER (R_RX_DIR16S_PCREL, 0x0a) /* Was: R_RX_16_PCREL. */ | |
| 47 | RELOC_NUMBER (R_RX_DIR8S_PCREL, 0x0b) /* Was: R_RX_8_PCREL. */ | |
| 48 | ||
| 49 | /* These are for fields in the instructions. */ | |
| 50 | RELOC_NUMBER (R_RX_DIR16UL, 0x0c) | |
| 51 | RELOC_NUMBER (R_RX_DIR16UW, 0x0d) | |
| 52 | RELOC_NUMBER (R_RX_DIR8UL, 0x0e) | |
| 53 | RELOC_NUMBER (R_RX_DIR8UW, 0x0f) | |
| 54 | RELOC_NUMBER (R_RX_DIR32_REV, 0x10) | |
| 55 | RELOC_NUMBER (R_RX_DIR16_REV, 0x11) | |
| 56 | RELOC_NUMBER (R_RX_DIR3U_PCREL, 0x12) | |
| 57 | ||
| 58 | /* These are extensions added by Red Hat. */ | |
| 59 | RELOC_NUMBER (R_RX_RH_3_PCREL, 0x20) /* Like R_RX_DIR8S_PCREL but only 3-bits. */ | |
| 60 | RELOC_NUMBER (R_RX_RH_16_OP, 0x21) /* Like R_RX_DIR16 but for opcodes - always big endian. */ | |
| 61 | RELOC_NUMBER (R_RX_RH_24_OP, 0x22) /* Like R_RX_DIR24S but for opcodes - always big endian. */ | |
| 62 | RELOC_NUMBER (R_RX_RH_32_OP, 0x23) /* Like R_RX_DIR32 but for opcodes - always big endian. */ | |
| 63 | RELOC_NUMBER (R_RX_RH_24_UNS, 0x24) /* Like R_RX_DIR24S but for unsigned values. */ | |
| 64 | RELOC_NUMBER (R_RX_RH_8_NEG, 0x25) /* Like R_RX_DIR8 but -x is stored. */ | |
| 65 | RELOC_NUMBER (R_RX_RH_16_NEG, 0x26) /* Like R_RX_DIR16 but -x is stored. */ | |
| 66 | RELOC_NUMBER (R_RX_RH_24_NEG, 0x27) /* Like R_RX_DIR24S but -x is stored. */ | |
| 67 | RELOC_NUMBER (R_RX_RH_32_NEG, 0x28) /* Like R_RX_DIR32 but -x is stored. */ | |
| 68 | RELOC_NUMBER (R_RX_RH_DIFF, 0x29) /* Subtract from a previous relocation. */ | |
| 69 | RELOC_NUMBER (R_RX_RH_GPRELB, 0x2a) /* Byte value, relative to __gp. */ | |
| 70 | RELOC_NUMBER (R_RX_RH_GPRELW, 0x2b) /* Word value, relative to __gp. */ | |
| 71 | RELOC_NUMBER (R_RX_RH_GPRELL, 0x2c) /* Long value, relative to __gp. */ | |
| 72 | RELOC_NUMBER (R_RX_RH_RELAX, 0x2d) /* Marks opcodes suitable for linker relaxation. */ | |
| 73 | ||
| 74 | /* These are for complex relocs. */ | |
| 75 | RELOC_NUMBER (R_RX_ABS32, 0x41) | |
| 76 | RELOC_NUMBER (R_RX_ABS24S, 0x42) | |
| 77 | RELOC_NUMBER (R_RX_ABS16, 0x43) | |
| 78 | RELOC_NUMBER (R_RX_ABS16U, 0x44) | |
| 79 | RELOC_NUMBER (R_RX_ABS16S, 0x45) | |
| 80 | RELOC_NUMBER (R_RX_ABS8, 0x46) | |
| 81 | RELOC_NUMBER (R_RX_ABS8U, 0x47) | |
| 82 | RELOC_NUMBER (R_RX_ABS8S, 0x48) | |
| 83 | RELOC_NUMBER (R_RX_ABS24S_PCREL, 0x49) | |
| 84 | RELOC_NUMBER (R_RX_ABS16S_PCREL, 0x4a) | |
| 85 | RELOC_NUMBER (R_RX_ABS8S_PCREL, 0x4b) | |
| 86 | RELOC_NUMBER (R_RX_ABS16UL, 0x4c) | |
| 87 | RELOC_NUMBER (R_RX_ABS16UW, 0x4d) | |
| 88 | RELOC_NUMBER (R_RX_ABS8UL, 0x4e) | |
| 89 | RELOC_NUMBER (R_RX_ABS8UW, 0x4f) | |
| 90 | RELOC_NUMBER (R_RX_ABS32_REV, 0x50) | |
| 91 | RELOC_NUMBER (R_RX_ABS16_REV, 0x51) | |
| 92 | ||
| 93 | RELOC_NUMBER (R_RX_SYM, 0x80) | |
| 94 | RELOC_NUMBER (R_RX_OPneg, 0x81) | |
| 95 | RELOC_NUMBER (R_RX_OPadd, 0x82) | |
| 96 | RELOC_NUMBER (R_RX_OPsub, 0x83) | |
| 97 | RELOC_NUMBER (R_RX_OPmul, 0x84) | |
| 98 | RELOC_NUMBER (R_RX_OPdiv, 0x85) | |
| 99 | RELOC_NUMBER (R_RX_OPshla, 0x86) | |
| 100 | RELOC_NUMBER (R_RX_OPshra, 0x87) | |
| 101 | RELOC_NUMBER (R_RX_OPsctsize, 0x88) | |
| 102 | RELOC_NUMBER (R_RX_OPscttop, 0x8d) | |
| 103 | RELOC_NUMBER (R_RX_OPand, 0x90) | |
| 104 | RELOC_NUMBER (R_RX_OPor, 0x91) | |
| 105 | RELOC_NUMBER (R_RX_OPxor, 0x92) | |
| 106 | RELOC_NUMBER (R_RX_OPnot, 0x93) | |
| 107 | RELOC_NUMBER (R_RX_OPmod, 0x94) | |
| 108 | RELOC_NUMBER (R_RX_OPromtop, 0x95) | |
| 109 | RELOC_NUMBER (R_RX_OPramtop, 0x96) | |
| 110 | ||
| 111 | END_RELOC_NUMBERS (R_RX_max) | |
| 112 | ||
| 708e2187 | 113 | #define EF_RX_CPU_RX 0x00000079 /* FIXME: this collides with the E_FLAG_RX_... values below. */ |
| 59581069 | 114 | #define EF_RX_CPU_MASK 0x000003FF /* specific cpu bits. */ |
| c7927a3c NC |
115 | #define EF_RX_ALL_FLAGS (EF_RX_CPU_MASK) |
| 116 | ||
| 117 | /* Values for the e_flags field in the ELF header. */ | |
| 118 | #define E_FLAG_RX_64BIT_DOUBLES (1 << 0) | |
| d4cb0ea0 NC |
119 | #define E_FLAG_RX_DSP (1 << 1) /* Defined in the RX CPU Object file specification, but not explained. */ |
| 120 | #define E_FLAG_RX_PID (1 << 2) /* Unofficial - DJ */ | |
| 708e2187 | 121 | #define E_FLAG_RX_ABI (1 << 3) /* Binary passes stacked arguments using natural alignment. Unofficial - NC. */ |
| 3525236c NC |
122 | #define E_FLAG_RX_SINSNS_SET (1 << 6) /* Set if bit-5 is significant. */ |
| 123 | #define E_FLAG_RX_SINSNS_YES (1 << 7) /* Set if string instructions are used in the binary. */ | |
| 124 | #define E_FLAG_RX_SINSNS_NO 0 /* Bit-5 if this binary must not be linked with a string instruction using binary. */ | |
| 125 | #define E_FLAG_RX_SINSNS_MASK (3 << 6) /* Mask of bits used to determine string instruction use. */ | |
| a117b0a5 | 126 | #define E_FLAG_RX_V2 (1 << 8) /* RX v2 instructions */ |
| 59581069 | 127 | #define E_FLAG_RX_V3 (1 << 9) /* RX v3 instructions */ |
| 3525236c | 128 | |
| c7927a3c NC |
129 | /* These define the addend field of R_RX_RH_RELAX relocations. */ |
| 130 | #define RX_RELAXA_IMM6 0x00000010 /* Imm8/16/24/32 at bit offset 6. */ | |
| 131 | #define RX_RELAXA_IMM12 0x00000020 /* Imm8/16/24/32 at bit offset 12. */ | |
| 132 | #define RX_RELAXA_DSP4 0x00000040 /* Dsp0/8/16 at bit offset 4. */ | |
| 133 | #define RX_RELAXA_DSP6 0x00000080 /* Dsp0/8/16 at bit offset 6. */ | |
| 134 | #define RX_RELAXA_DSP14 0x00000100 /* Dsp0/8/16 at bit offset 14. */ | |
| 135 | #define RX_RELAXA_BRA 0x00000200 /* Any type of branch (must be decoded). */ | |
| 136 | #define RX_RELAXA_RNUM 0x0000000f /* Number of associated relocations. */ | |
| 137 | /* These mark the place where alignment is requested, and the place where the filler bytes end. */ | |
| 138 | #define RX_RELAXA_ALIGN 0x10000000 /* Start alignment; the remaining bits are the alignment value. */ | |
| 139 | #define RX_RELAXA_ELIGN 0x20000000 /* End alignment; the remaining bits are the alignment value. */ | |
| 140 | #define RX_RELAXA_ANUM 0x00ffffff /* Alignment amount, in bytes (i.e. .balign). */ | |
| 141 | ||
| 142 | #endif /* _ELF_RX_H */ |