projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| f96bd6c2 | 1 | /* This file is tc-wasm32.h. |
| b3adc24a | 2 | Copyright (C) 2017-2020 Free Software Foundation, Inc. |
| f96bd6c2 PC |
3 | |
| 4 | This file is part of GAS, the GNU Assembler. | |
| 5 | ||
| 6 | GAS 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, or (at your option) | |
| 9 | any later version. | |
| 10 | ||
| 11 | GAS 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 GAS; see the file COPYING. If not, write to the Free | |
| 18 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA | |
| 19 | 02110-1301, USA. */ | |
| 20 | ||
| 21 | #define TC_WASM32 | |
| 22 | #define TARGET_FORMAT "elf32-wasm32" | |
| 23 | #define TARGET_ARCH bfd_arch_wasm32 | |
| 24 | #define TARGET_MACH 1 | |
| 25 | ||
| 26 | /* WebAssembly is strictly little-endian. */ | |
| 27 | #define TARGET_BYTES_BIG_ENDIAN 0 | |
| 28 | #define md_number_to_chars number_to_chars_littleendian | |
| 29 | ||
| 30 | #define DIFF_EXPR_OK | |
| 31 | ||
| 32 | /* No machine-dependent operand expressions. */ | |
| 33 | #define md_operand(x) | |
| 34 | ||
| 35 | /* No broken word processing. */ | |
| 36 | #define WORKING_DOT_WORD | |
| 37 | ||
| 38 | /* Force some relocations. */ | |
| 39 | #define EXTERN_FORCE_RELOC 1 | |
| 40 | extern int wasm32_force_relocation (struct fix *); | |
| 41 | #define TC_FORCE_RELOCATION(fix) wasm32_force_relocation (fix) | |
| 42 | #define TC_FORCE_RELOCATION_LOCAL(fix) 1 | |
| 43 | #define TC_FORCE_RELOCATION_SUB_SAME(fix,seg) wasm32_force_relocation (fix) | |
| 44 | #define TC_FORCE_RELOCATION_SUB_ABS(fix,seg) wasm32_force_relocation (fix) | |
| 45 | #define TC_FORCE_RELOCATION_SUB_LOCAL(fix,seg) wasm32_force_relocation (fix) | |
| 46 | #define TC_VALIDATE_FIX_SUB(fix,seg) wasm32_force_relocation (fix) | |
| 47 | ||
| 48 | /* This is ELF, values passed to md_apply_fix don't include the symbol | |
| 49 | value. */ | |
| 50 | #define MD_APPLY_SYM_VALUE(FIX) 0 | |
| 51 | ||
| 52 | /* PC-relative relocations are relative to the relocation offset. */ | |
| 53 | #define MD_PCREL_FROM_SECTION(FIX, SEC) 0 | |
| 54 | ||
| 55 | #define DWARF2_LINE_MIN_INSN_LENGTH 1 | |
| 56 | ||
| 57 | /* WebAssembly uses 32-bit addresses. */ | |
| 58 | #define TC_ADDRESS_BYTES() 4 | |
| 59 | #define DWARF2_ADDR_SIZE(bfd) 4 | |
| 60 | ||
| 61 | /* Enable cfi directives. */ | |
| 62 | #define TARGET_USE_CFIPOP 1 | |
| 63 | ||
| 64 | /* The stack grows down, and there is no harm in claiming it is only | |
| 65 | byte aligned. */ | |
| 66 | #define DWARF2_CIE_DATA_ALIGNMENT -1 | |
| 67 | ||
| 68 | /* Define the column that represents the PC. FIXME: this depends on | |
| 69 | the ABI. */ | |
| 70 | #define DWARF2_DEFAULT_RETURN_COLUMN 36 | |
| 71 | ||
| 72 | /* Define a hook to setup initial CFI state. */ | |
| 73 | #define tc_cfi_frame_initial_instructions() do { } while (0) | |
| 74 | ||
| 75 | #define elf_tc_final_processing() | |
| 76 | #define md_post_relax_hook | |
| 77 | #define md_start_line_hook() | |
| 78 | #define HANDLE_ALIGN(fragP) | |
| 79 | ||
| 80 | ||
| 81 | extern bfd_boolean wasm32_fix_adjustable (struct fix *); | |
| 82 | #define tc_fix_adjustable(FIX) wasm32_fix_adjustable (FIX) | |
| 83 | ||
| 84 | /* Type names for blocks and signatures. */ | |
| 85 | #define BLOCK_TYPE_NONE 0x40 | |
| 86 | #define BLOCK_TYPE_I32 0x7f | |
| 87 | #define BLOCK_TYPE_I64 0x7e | |
| 88 | #define BLOCK_TYPE_F32 0x7d | |
| 89 | #define BLOCK_TYPE_F64 0x7c |