1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/* This file is tc-wasm32.h.
Copyright (C) 2017-2019 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 bfd_boolean 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
|
