Commit | Line | Data |
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252b5132 | 1 | /* tc-i386.h -- Header file for tc-i386.c |
f7e42eb4 | 2 | Copyright 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
23117009 | 3 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 |
f7e42eb4 | 4 | Free Software Foundation, Inc. |
252b5132 RH |
5 | |
6 | This file is part of GAS, the GNU Assembler. | |
7 | ||
8 | GAS is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
ec2655a6 | 10 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
11 | any later version. |
12 | ||
13 | GAS is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GAS; see the file COPYING. If not, write to the Free | |
4b4da160 NC |
20 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
252b5132 RH |
22 | |
23 | #ifndef TC_I386 | |
24 | #define TC_I386 1 | |
25 | ||
1d5f2fe9 L |
26 | #include "opcodes/i386-opc.h" |
27 | ||
252b5132 | 28 | struct fix; |
252b5132 RH |
29 | |
30 | #define TARGET_BYTES_BIG_ENDIAN 0 | |
31 | ||
252b5132 | 32 | #define TARGET_ARCH bfd_arch_i386 |
b9d79e03 | 33 | #define TARGET_MACH (i386_mach ()) |
b7c92712 | 34 | extern unsigned long i386_mach (void); |
252b5132 | 35 | |
cac5b87b DB |
36 | #ifdef TE_FreeBSD |
37 | #define AOUT_TARGET_FORMAT "a.out-i386-freebsd" | |
38 | #endif | |
252b5132 | 39 | #ifdef TE_NetBSD |
4c63da97 | 40 | #define AOUT_TARGET_FORMAT "a.out-i386-netbsd" |
252b5132 RH |
41 | #endif |
42 | #ifdef TE_386BSD | |
4c63da97 | 43 | #define AOUT_TARGET_FORMAT "a.out-i386-bsd" |
252b5132 RH |
44 | #endif |
45 | #ifdef TE_LINUX | |
4c63da97 | 46 | #define AOUT_TARGET_FORMAT "a.out-i386-linux" |
252b5132 RH |
47 | #endif |
48 | #ifdef TE_Mach | |
4c63da97 | 49 | #define AOUT_TARGET_FORMAT "a.out-mach3" |
252b5132 RH |
50 | #endif |
51 | #ifdef TE_DYNIX | |
4c63da97 | 52 | #define AOUT_TARGET_FORMAT "a.out-i386-dynix" |
252b5132 | 53 | #endif |
4c63da97 AM |
54 | #ifndef AOUT_TARGET_FORMAT |
55 | #define AOUT_TARGET_FORMAT "a.out-i386" | |
252b5132 | 56 | #endif |
252b5132 | 57 | |
4ada7262 DB |
58 | #ifdef TE_FreeBSD |
59 | #define ELF_TARGET_FORMAT "elf32-i386-freebsd" | |
9d7cbccd | 60 | #define ELF_TARGET_FORMAT64 "elf64-x86-64-freebsd" |
eac338cf PB |
61 | #elif defined (TE_VXWORKS) |
62 | #define ELF_TARGET_FORMAT "elf32-i386-vxworks" | |
4ada7262 | 63 | #endif |
eac338cf | 64 | |
4ada7262 DB |
65 | #ifndef ELF_TARGET_FORMAT |
66 | #define ELF_TARGET_FORMAT "elf32-i386" | |
67 | #endif | |
68 | ||
9d7cbccd NC |
69 | #ifndef ELF_TARGET_FORMAT64 |
70 | #define ELF_TARGET_FORMAT64 "elf64-x86-64" | |
71 | #endif | |
72 | ||
3e73aa7c JH |
73 | #if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \ |
74 | || defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) | |
e3bb37b5 | 75 | extern const char *i386_target_format (void); |
4c63da97 AM |
76 | #define TARGET_FORMAT i386_target_format () |
77 | #else | |
252b5132 | 78 | #ifdef OBJ_ELF |
4ada7262 | 79 | #define TARGET_FORMAT ELF_TARGET_FORMAT |
252b5132 | 80 | #endif |
4c63da97 AM |
81 | #ifdef OBJ_AOUT |
82 | #define TARGET_FORMAT AOUT_TARGET_FORMAT | |
252b5132 RH |
83 | #endif |
84 | #endif | |
85 | ||
a847613f AM |
86 | #if (defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF)) |
87 | #define md_end i386_elf_emit_arch_note | |
e3bb37b5 | 88 | extern void i386_elf_emit_arch_note (void); |
a847613f AM |
89 | #endif |
90 | ||
18e1d487 AM |
91 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0 |
92 | ||
6088b00e | 93 | #define LOCAL_LABELS_FB 1 |
252b5132 RH |
94 | |
95 | extern const char extra_symbol_chars[]; | |
96 | #define tc_symbol_chars extra_symbol_chars | |
97 | ||
b3b91714 AM |
98 | extern const char *i386_comment_chars; |
99 | #define tc_comment_chars i386_comment_chars | |
100 | ||
252b5132 | 101 | /* The name of the global offset table generated by the compiler. Allow |
4a4f25cf | 102 | this to be overridden if need be. */ |
252b5132 RH |
103 | #ifndef GLOBAL_OFFSET_TABLE_NAME |
104 | #define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_" | |
105 | #endif | |
106 | ||
718ddfc0 | 107 | #if (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) && !defined (LEX_AT) |
6088b00e | 108 | #define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) x86_cons (EXP, NBYTES) |
e3bb37b5 | 109 | extern void x86_cons (expressionS *, int); |
d182319b | 110 | #endif |
6088b00e AM |
111 | |
112 | #define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) x86_cons_fix_new(FRAG, OFF, LEN, EXP) | |
113 | extern void x86_cons_fix_new | |
e3bb37b5 | 114 | (fragS *, unsigned int, unsigned int, expressionS *); |
6088b00e AM |
115 | |
116 | #define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ | |
117 | ||
6088b00e AM |
118 | #define NO_RELOC BFD_RELOC_NONE |
119 | ||
e3bb37b5 | 120 | void i386_validate_fix (struct fix *); |
a161fe53 | 121 | #define TC_VALIDATE_FIX(FIX,SEGTYPE,SKIP) i386_validate_fix(FIX) |
6088b00e AM |
122 | |
123 | #define tc_fix_adjustable(X) tc_i386_fix_adjustable(X) | |
e3bb37b5 | 124 | extern int tc_i386_fix_adjustable (struct fix *); |
6088b00e | 125 | |
55cf6793 | 126 | /* Values passed to md_apply_fix don't include the symbol value. */ |
a161fe53 | 127 | #define MD_APPLY_SYM_VALUE(FIX) 0 |
3ca4bdc3 AM |
128 | |
129 | /* ELF wants external syms kept, as does PE COFF. */ | |
ae6063d4 AM |
130 | #if defined (TE_PE) && defined (STRICT_PE_FORMAT) |
131 | #define EXTERN_FORCE_RELOC \ | |
3ca4bdc3 AM |
132 | (OUTPUT_FLAVOR == bfd_target_elf_flavour \ |
133 | || OUTPUT_FLAVOR == bfd_target_coff_flavour) | |
134 | #else | |
135 | #define EXTERN_FORCE_RELOC \ | |
136 | (OUTPUT_FLAVOR == bfd_target_elf_flavour) | |
252b5132 RH |
137 | #endif |
138 | ||
a161fe53 AM |
139 | /* This expression evaluates to true if the relocation is for a local |
140 | object for which we still want to do the relocation at runtime. | |
141 | False if we are willing to perform this relocation while building | |
142 | the .o file. GOTOFF does not need to be checked here because it is | |
143 | not pcrel. I am not sure if some of the others are ever used with | |
6088b00e AM |
144 | pcrel, but it is easier to be safe than sorry. */ |
145 | ||
a161fe53 AM |
146 | #define TC_FORCE_RELOCATION_LOCAL(FIX) \ |
147 | (!(FIX)->fx_pcrel \ | |
a161fe53 AM |
148 | || (FIX)->fx_r_type == BFD_RELOC_386_PLT32 \ |
149 | || (FIX)->fx_r_type == BFD_RELOC_386_GOT32 \ | |
150 | || (FIX)->fx_r_type == BFD_RELOC_386_GOTPC \ | |
151 | || TC_FORCE_RELOCATION (FIX)) | |
6088b00e | 152 | |
4d1bb795 JB |
153 | extern int i386_parse_name (char *, expressionS *, char *); |
154 | #define md_parse_name(s, e, m, c) i386_parse_name (s, e, c) | |
252b5132 | 155 | |
5a918ce7 JB |
156 | #define md_register_arithmetic 0 |
157 | ||
252b5132 RH |
158 | extern const struct relax_type md_relax_table[]; |
159 | #define TC_GENERIC_RELAX_TABLE md_relax_table | |
160 | ||
12b55ccc L |
161 | extern int optimize_align_code; |
162 | ||
252b5132 | 163 | #define md_do_align(n, fill, len, max, around) \ |
12b55ccc L |
164 | if ((n) \ |
165 | && !need_pass_2 \ | |
166 | && optimize_align_code \ | |
167 | && (!(fill) \ | |
168 | || ((char)*(fill) == (char)0x90 && (len) == 1)) \ | |
b9e57a38 | 169 | && subseg_text_p (now_seg)) \ |
252b5132 | 170 | { \ |
0a9ef439 | 171 | frag_align_code ((n), (max)); \ |
252b5132 RH |
172 | goto around; \ |
173 | } | |
174 | ||
76bc74dc | 175 | #define MAX_MEM_FOR_RS_ALIGN_CODE 31 |
0a9ef439 | 176 | |
e3bb37b5 | 177 | extern void i386_align_code (fragS *, int); |
252b5132 RH |
178 | |
179 | #define HANDLE_ALIGN(fragP) \ | |
180 | if (fragP->fr_type == rs_align_code) \ | |
181 | i386_align_code (fragP, (fragP->fr_next->fr_address \ | |
182 | - fragP->fr_address \ | |
183 | - fragP->fr_fix)); | |
184 | ||
e3bb37b5 | 185 | void i386_print_statistics (FILE *); |
252b5132 RH |
186 | #define tc_print_statistics i386_print_statistics |
187 | ||
188 | #define md_number_to_chars number_to_chars_littleendian | |
189 | ||
190 | #ifdef SCO_ELF | |
191 | #define tc_init_after_args() sco_id () | |
e3bb37b5 | 192 | extern void sco_id (void); |
252b5132 RH |
193 | #endif |
194 | ||
b1b7d09b AM |
195 | #define WORKING_DOT_WORD 1 |
196 | ||
54cfded0 | 197 | /* We want .cfi_* pseudo-ops for generating unwind info. */ |
a4447b93 | 198 | #define TARGET_USE_CFIPOP 1 |
54cfded0 | 199 | |
a4447b93 RH |
200 | extern unsigned int x86_dwarf2_return_column; |
201 | #define DWARF2_DEFAULT_RETURN_COLUMN x86_dwarf2_return_column | |
202 | ||
203 | extern int x86_cie_data_alignment; | |
204 | #define DWARF2_CIE_DATA_ALIGNMENT x86_cie_data_alignment | |
54cfded0 | 205 | |
a60de03c JB |
206 | #define tc_parse_to_dw2regnum tc_x86_parse_to_dw2regnum |
207 | extern void tc_x86_parse_to_dw2regnum (expressionS *); | |
54cfded0 AM |
208 | |
209 | #define tc_cfi_frame_initial_instructions tc_x86_frame_initial_instructions | |
e3bb37b5 | 210 | extern void tc_x86_frame_initial_instructions (void); |
54cfded0 | 211 | |
d2b2c203 | 212 | #define md_elf_section_type(str,len) i386_elf_section_type (str, len) |
e3bb37b5 | 213 | extern int i386_elf_section_type (const char *, size_t); |
d2b2c203 | 214 | |
3b22753a | 215 | /* Support for SHF_X86_64_LARGE */ |
e3bb37b5 L |
216 | extern int x86_64_section_word (char *, size_t); |
217 | extern int x86_64_section_letter (int, char **); | |
3b22753a L |
218 | #define md_elf_section_letter(LETTER, PTR_MSG) x86_64_section_letter (LETTER, PTR_MSG) |
219 | #define md_elf_section_word(STR, LEN) x86_64_section_word (STR, LEN) | |
220 | ||
bb41ade5 AM |
221 | #ifdef TE_PE |
222 | ||
223 | #define O_secrel O_md1 | |
224 | ||
225 | #define TC_DWARF2_EMIT_OFFSET tc_pe_dwarf2_emit_offset | |
226 | void tc_pe_dwarf2_emit_offset (symbolS *, unsigned int); | |
227 | ||
228 | #endif /* TE_PE */ | |
229 | ||
6088b00e | 230 | #endif /* TC_I386 */ |