2017-03-30 17:57:21 +08:00
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/* This file is tc-wasm32.h.
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2019-01-01 18:31:27 +08:00
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Copyright (C) 2017-2019 Free Software Foundation, Inc.
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2017-03-30 17:57:21 +08:00
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#define TC_WASM32
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#define TARGET_FORMAT "elf32-wasm32"
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#define TARGET_ARCH bfd_arch_wasm32
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#define TARGET_MACH 1
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/* WebAssembly is strictly little-endian. */
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#define TARGET_BYTES_BIG_ENDIAN 0
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#define md_number_to_chars number_to_chars_littleendian
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#define DIFF_EXPR_OK
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/* No machine-dependent operand expressions. */
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#define md_operand(x)
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/* No broken word processing. */
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#define WORKING_DOT_WORD
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/* Force some relocations. */
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#define EXTERN_FORCE_RELOC 1
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extern int wasm32_force_relocation (struct fix *);
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#define TC_FORCE_RELOCATION(fix) wasm32_force_relocation (fix)
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#define TC_FORCE_RELOCATION_LOCAL(fix) 1
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#define TC_FORCE_RELOCATION_SUB_SAME(fix,seg) wasm32_force_relocation (fix)
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#define TC_FORCE_RELOCATION_SUB_ABS(fix,seg) wasm32_force_relocation (fix)
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#define TC_FORCE_RELOCATION_SUB_LOCAL(fix,seg) wasm32_force_relocation (fix)
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#define TC_VALIDATE_FIX_SUB(fix,seg) wasm32_force_relocation (fix)
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/* This is ELF, values passed to md_apply_fix don't include the symbol
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value. */
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#define MD_APPLY_SYM_VALUE(FIX) 0
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/* PC-relative relocations are relative to the relocation offset. */
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#define MD_PCREL_FROM_SECTION(FIX, SEC) 0
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#define DWARF2_LINE_MIN_INSN_LENGTH 1
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/* WebAssembly uses 32-bit addresses. */
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#define TC_ADDRESS_BYTES() 4
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#define DWARF2_ADDR_SIZE(bfd) 4
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/* Enable cfi directives. */
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#define TARGET_USE_CFIPOP 1
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/* The stack grows down, and there is no harm in claiming it is only
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byte aligned. */
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#define DWARF2_CIE_DATA_ALIGNMENT -1
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/* Define the column that represents the PC. FIXME: this depends on
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the ABI. */
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#define DWARF2_DEFAULT_RETURN_COLUMN 36
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/* Define a hook to setup initial CFI state. */
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#define tc_cfi_frame_initial_instructions() do { } while (0)
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#define elf_tc_final_processing()
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#define md_post_relax_hook
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#define md_start_line_hook()
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#define HANDLE_ALIGN(fragP)
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extern bfd_boolean wasm32_fix_adjustable (struct fix *);
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#define tc_fix_adjustable(FIX) wasm32_fix_adjustable (FIX)
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/* Type names for blocks and signatures. */
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#define BLOCK_TYPE_NONE 0x40
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#define BLOCK_TYPE_I32 0x7f
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#define BLOCK_TYPE_I64 0x7e
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#define BLOCK_TYPE_F32 0x7d
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#define BLOCK_TYPE_F64 0x7c
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