| /* This file is tc-wasm32.h. |
| Copyright (C) 2017-2021 Free Software Foundation, Inc. |
| |
| This file is part of GAS, the GNU Assembler. |
| |
| GAS is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| GAS is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GAS; see the file COPYING. If not, write to the Free |
| Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
| 02110-1301, USA. */ |
| |
| #define TC_WASM32 |
| #define TARGET_FORMAT "elf32-wasm32" |
| #define TARGET_ARCH bfd_arch_wasm32 |
| #define TARGET_MACH 1 |
| |
| /* WebAssembly is strictly little-endian. */ |
| #define TARGET_BYTES_BIG_ENDIAN 0 |
| #define md_number_to_chars number_to_chars_littleendian |
| |
| #define DIFF_EXPR_OK |
| |
| /* No machine-dependent operand expressions. */ |
| #define md_operand(x) |
| |
| /* No broken word processing. */ |
| #define WORKING_DOT_WORD |
| |
| /* Force some relocations. */ |
| #define EXTERN_FORCE_RELOC 1 |
| extern int wasm32_force_relocation (struct fix *); |
| #define TC_FORCE_RELOCATION(fix) wasm32_force_relocation (fix) |
| #define TC_FORCE_RELOCATION_LOCAL(fix) 1 |
| #define TC_FORCE_RELOCATION_SUB_SAME(fix,seg) wasm32_force_relocation (fix) |
| #define TC_FORCE_RELOCATION_SUB_ABS(fix,seg) wasm32_force_relocation (fix) |
| #define TC_FORCE_RELOCATION_SUB_LOCAL(fix,seg) wasm32_force_relocation (fix) |
| #define TC_VALIDATE_FIX_SUB(fix,seg) wasm32_force_relocation (fix) |
| |
| /* This is ELF, values passed to md_apply_fix don't include the symbol |
| value. */ |
| #define MD_APPLY_SYM_VALUE(FIX) 0 |
| |
| /* PC-relative relocations are relative to the relocation offset. */ |
| #define MD_PCREL_FROM_SECTION(FIX, SEC) 0 |
| |
| #define DWARF2_LINE_MIN_INSN_LENGTH 1 |
| |
| /* WebAssembly uses 32-bit addresses. */ |
| #define TC_ADDRESS_BYTES() 4 |
| #define DWARF2_ADDR_SIZE(bfd) 4 |
| |
| /* Enable cfi directives. */ |
| #define TARGET_USE_CFIPOP 1 |
| |
| /* The stack grows down, and there is no harm in claiming it is only |
| byte aligned. */ |
| #define DWARF2_CIE_DATA_ALIGNMENT -1 |
| |
| /* Define the column that represents the PC. FIXME: this depends on |
| the ABI. */ |
| #define DWARF2_DEFAULT_RETURN_COLUMN 36 |
| |
| /* Define a hook to setup initial CFI state. */ |
| #define tc_cfi_frame_initial_instructions() do { } while (0) |
| |
| #define elf_tc_final_processing() |
| #define md_post_relax_hook |
| #define md_start_line_hook() |
| #define HANDLE_ALIGN(fragP) |
| |
| |
| extern bool wasm32_fix_adjustable (struct fix *); |
| #define tc_fix_adjustable(FIX) wasm32_fix_adjustable (FIX) |
| |
| /* Type names for blocks and signatures. */ |
| #define BLOCK_TYPE_NONE 0x40 |
| #define BLOCK_TYPE_I32 0x7f |
| #define BLOCK_TYPE_I64 0x7e |
| #define BLOCK_TYPE_F32 0x7d |
| #define BLOCK_TYPE_F64 0x7c |
