Commit | Line | Data |
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252b5132 | 1 | /* tc-i386.h -- Header file for tc-i386.c |
4b95cf5c | 2 | Copyright (C) 1989-2014 Free Software Foundation, Inc. |
252b5132 RH |
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 | |
ec2655a6 | 8 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
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 | |
4b4da160 NC |
18 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
19 | 02110-1301, USA. */ | |
252b5132 RH |
20 | |
21 | #ifndef TC_I386 | |
22 | #define TC_I386 1 | |
23 | ||
1d5f2fe9 L |
24 | #include "opcodes/i386-opc.h" |
25 | ||
252b5132 | 26 | struct fix; |
252b5132 RH |
27 | |
28 | #define TARGET_BYTES_BIG_ENDIAN 0 | |
29 | ||
8a9036a4 | 30 | #define TARGET_ARCH (i386_arch ()) |
b9d79e03 | 31 | #define TARGET_MACH (i386_mach ()) |
8a9036a4 | 32 | extern enum bfd_architecture i386_arch (void); |
b7c92712 | 33 | extern unsigned long i386_mach (void); |
252b5132 | 34 | |
cac5b87b DB |
35 | #ifdef TE_FreeBSD |
36 | #define AOUT_TARGET_FORMAT "a.out-i386-freebsd" | |
37 | #endif | |
252b5132 | 38 | #ifdef TE_NetBSD |
4c63da97 | 39 | #define AOUT_TARGET_FORMAT "a.out-i386-netbsd" |
252b5132 RH |
40 | #endif |
41 | #ifdef TE_386BSD | |
4c63da97 | 42 | #define AOUT_TARGET_FORMAT "a.out-i386-bsd" |
252b5132 RH |
43 | #endif |
44 | #ifdef TE_LINUX | |
4c63da97 | 45 | #define AOUT_TARGET_FORMAT "a.out-i386-linux" |
252b5132 RH |
46 | #endif |
47 | #ifdef TE_Mach | |
4c63da97 | 48 | #define AOUT_TARGET_FORMAT "a.out-mach3" |
252b5132 RH |
49 | #endif |
50 | #ifdef TE_DYNIX | |
4c63da97 | 51 | #define AOUT_TARGET_FORMAT "a.out-i386-dynix" |
252b5132 | 52 | #endif |
4c63da97 AM |
53 | #ifndef AOUT_TARGET_FORMAT |
54 | #define AOUT_TARGET_FORMAT "a.out-i386" | |
252b5132 | 55 | #endif |
252b5132 | 56 | |
4ada7262 DB |
57 | #ifdef TE_FreeBSD |
58 | #define ELF_TARGET_FORMAT "elf32-i386-freebsd" | |
9d7cbccd | 59 | #define ELF_TARGET_FORMAT64 "elf64-x86-64-freebsd" |
eac338cf PB |
60 | #elif defined (TE_VXWORKS) |
61 | #define ELF_TARGET_FORMAT "elf32-i386-vxworks" | |
8d63c93e RM |
62 | #elif defined (TE_NACL) |
63 | #define ELF_TARGET_FORMAT "elf32-i386-nacl" | |
8059fb19 RM |
64 | #define ELF_TARGET_FORMAT32 "elf32-x86-64-nacl" |
65 | #define ELF_TARGET_FORMAT64 "elf64-x86-64-nacl" | |
4ada7262 | 66 | #endif |
eac338cf | 67 | |
40cf28aa RO |
68 | #ifdef TE_SOLARIS |
69 | #define ELF_TARGET_FORMAT "elf32-i386-sol2" | |
70 | #define ELF_TARGET_FORMAT64 "elf64-x86-64-sol2" | |
71 | #endif | |
72 | ||
4ada7262 DB |
73 | #ifndef ELF_TARGET_FORMAT |
74 | #define ELF_TARGET_FORMAT "elf32-i386" | |
75 | #endif | |
76 | ||
9d7cbccd NC |
77 | #ifndef ELF_TARGET_FORMAT64 |
78 | #define ELF_TARGET_FORMAT64 "elf64-x86-64" | |
79 | #endif | |
80 | ||
351f65ca L |
81 | #ifndef ELF_TARGET_FORMAT32 |
82 | #define ELF_TARGET_FORMAT32 "elf32-x86-64" | |
83 | #endif | |
84 | ||
8a9036a4 L |
85 | #ifndef ELF_TARGET_L1OM_FORMAT |
86 | #define ELF_TARGET_L1OM_FORMAT "elf64-l1om" | |
87 | #endif | |
88 | ||
7a9068fe L |
89 | #ifndef ELF_TARGET_K1OM_FORMAT |
90 | #define ELF_TARGET_K1OM_FORMAT "elf64-k1om" | |
91 | #endif | |
92 | ||
3e73aa7c | 93 | #if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \ |
321098a5 | 94 | || defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
e57f8c65 | 95 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) |
e3bb37b5 | 96 | extern const char *i386_target_format (void); |
4c63da97 AM |
97 | #define TARGET_FORMAT i386_target_format () |
98 | #else | |
0561d57c JK |
99 | #ifdef TE_GO32 |
100 | #define TARGET_FORMAT "coff-go32" | |
101 | #endif | |
4c63da97 AM |
102 | #ifdef OBJ_AOUT |
103 | #define TARGET_FORMAT AOUT_TARGET_FORMAT | |
252b5132 RH |
104 | #endif |
105 | #endif | |
106 | ||
a847613f AM |
107 | #if (defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF)) |
108 | #define md_end i386_elf_emit_arch_note | |
e3bb37b5 | 109 | extern void i386_elf_emit_arch_note (void); |
a847613f AM |
110 | #endif |
111 | ||
18e1d487 AM |
112 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0 |
113 | ||
f378cd83 L |
114 | /* '$' may be used as immediate prefix. */ |
115 | #undef LOCAL_LABELS_DOLLAR | |
116 | #define LOCAL_LABELS_DOLLAR 0 | |
117 | #undef LOCAL_LABELS_FB | |
6088b00e | 118 | #define LOCAL_LABELS_FB 1 |
252b5132 RH |
119 | |
120 | extern const char extra_symbol_chars[]; | |
121 | #define tc_symbol_chars extra_symbol_chars | |
122 | ||
b3b91714 AM |
123 | extern const char *i386_comment_chars; |
124 | #define tc_comment_chars i386_comment_chars | |
125 | ||
252b5132 | 126 | /* The name of the global offset table generated by the compiler. Allow |
4a4f25cf | 127 | this to be overridden if need be. */ |
252b5132 RH |
128 | #ifndef GLOBAL_OFFSET_TABLE_NAME |
129 | #define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_" | |
130 | #endif | |
131 | ||
718ddfc0 | 132 | #if (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) && !defined (LEX_AT) |
6088b00e | 133 | #define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) x86_cons (EXP, NBYTES) |
d182319b | 134 | #endif |
62ebcb5c | 135 | extern bfd_reloc_code_real_type x86_cons (expressionS *, int); |
6088b00e | 136 | |
62ebcb5c AM |
137 | #define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC) \ |
138 | x86_cons_fix_new(FRAG, OFF, LEN, EXP, RELOC) | |
6088b00e | 139 | extern void x86_cons_fix_new |
62ebcb5c | 140 | (fragS *, unsigned int, unsigned int, expressionS *, bfd_reloc_code_real_type); |
6088b00e | 141 | |
357d1bd8 L |
142 | #define TC_ADDRESS_BYTES x86_address_bytes |
143 | extern int x86_address_bytes (void); | |
144 | ||
6088b00e AM |
145 | #define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ |
146 | ||
6088b00e AM |
147 | #define NO_RELOC BFD_RELOC_NONE |
148 | ||
e3bb37b5 | 149 | void i386_validate_fix (struct fix *); |
a161fe53 | 150 | #define TC_VALIDATE_FIX(FIX,SEGTYPE,SKIP) i386_validate_fix(FIX) |
6088b00e AM |
151 | |
152 | #define tc_fix_adjustable(X) tc_i386_fix_adjustable(X) | |
e3bb37b5 | 153 | extern int tc_i386_fix_adjustable (struct fix *); |
6088b00e | 154 | |
55cf6793 | 155 | /* Values passed to md_apply_fix don't include the symbol value. */ |
a161fe53 | 156 | #define MD_APPLY_SYM_VALUE(FIX) 0 |
3ca4bdc3 AM |
157 | |
158 | /* ELF wants external syms kept, as does PE COFF. */ | |
ae6063d4 AM |
159 | #if defined (TE_PE) && defined (STRICT_PE_FORMAT) |
160 | #define EXTERN_FORCE_RELOC \ | |
3ca4bdc3 AM |
161 | (OUTPUT_FLAVOR == bfd_target_elf_flavour \ |
162 | || OUTPUT_FLAVOR == bfd_target_coff_flavour) | |
163 | #else | |
164 | #define EXTERN_FORCE_RELOC \ | |
165 | (OUTPUT_FLAVOR == bfd_target_elf_flavour) | |
252b5132 RH |
166 | #endif |
167 | ||
a161fe53 AM |
168 | /* This expression evaluates to true if the relocation is for a local |
169 | object for which we still want to do the relocation at runtime. | |
170 | False if we are willing to perform this relocation while building | |
8d63c93e | 171 | the .o file. GOTOFF and GOT32 do not need to be checked here because |
2a86604a | 172 | they are not pcrel. .*/ |
6088b00e | 173 | |
a161fe53 AM |
174 | #define TC_FORCE_RELOCATION_LOCAL(FIX) \ |
175 | (!(FIX)->fx_pcrel \ | |
a161fe53 | 176 | || (FIX)->fx_r_type == BFD_RELOC_386_PLT32 \ |
a161fe53 | 177 | || (FIX)->fx_r_type == BFD_RELOC_386_GOTPC \ |
f5d9e816 | 178 | || (FIX)->fx_r_type == BFD_RELOC_X86_64_GOTPCREL \ |
a161fe53 | 179 | || TC_FORCE_RELOCATION (FIX)) |
6088b00e | 180 | |
4d1bb795 JB |
181 | extern int i386_parse_name (char *, expressionS *, char *); |
182 | #define md_parse_name(s, e, m, c) i386_parse_name (s, e, c) | |
252b5132 | 183 | |
ee86248c JB |
184 | extern operatorT i386_operator (const char *name, unsigned int operands, char *); |
185 | #define md_operator i386_operator | |
186 | ||
187 | extern int i386_need_index_operator (void); | |
188 | #define md_need_index_operator i386_need_index_operator | |
189 | ||
5a918ce7 JB |
190 | #define md_register_arithmetic 0 |
191 | ||
252b5132 RH |
192 | extern const struct relax_type md_relax_table[]; |
193 | #define TC_GENERIC_RELAX_TABLE md_relax_table | |
194 | ||
12b55ccc L |
195 | extern int optimize_align_code; |
196 | ||
252b5132 | 197 | #define md_do_align(n, fill, len, max, around) \ |
12b55ccc L |
198 | if ((n) \ |
199 | && !need_pass_2 \ | |
200 | && optimize_align_code \ | |
201 | && (!(fill) \ | |
202 | || ((char)*(fill) == (char)0x90 && (len) == 1)) \ | |
b9e57a38 | 203 | && subseg_text_p (now_seg)) \ |
252b5132 | 204 | { \ |
0a9ef439 | 205 | frag_align_code ((n), (max)); \ |
252b5132 RH |
206 | goto around; \ |
207 | } | |
208 | ||
76bc74dc | 209 | #define MAX_MEM_FOR_RS_ALIGN_CODE 31 |
0a9ef439 | 210 | |
e3bb37b5 | 211 | extern void i386_align_code (fragS *, int); |
252b5132 RH |
212 | |
213 | #define HANDLE_ALIGN(fragP) \ | |
214 | if (fragP->fr_type == rs_align_code) \ | |
215 | i386_align_code (fragP, (fragP->fr_next->fr_address \ | |
216 | - fragP->fr_address \ | |
217 | - fragP->fr_fix)); | |
218 | ||
e3bb37b5 | 219 | void i386_print_statistics (FILE *); |
252b5132 RH |
220 | #define tc_print_statistics i386_print_statistics |
221 | ||
fa94de6b RM |
222 | extern unsigned int i386_frag_max_var (fragS *); |
223 | #define md_frag_max_var i386_frag_max_var | |
224 | ||
252b5132 RH |
225 | #define md_number_to_chars number_to_chars_littleendian |
226 | ||
fbf3f584 L |
227 | enum processor_type |
228 | { | |
229 | PROCESSOR_UNKNOWN, | |
230 | PROCESSOR_I386, | |
231 | PROCESSOR_I486, | |
232 | PROCESSOR_PENTIUM, | |
233 | PROCESSOR_PENTIUMPRO, | |
234 | PROCESSOR_PENTIUM4, | |
235 | PROCESSOR_NOCONA, | |
236 | PROCESSOR_CORE, | |
237 | PROCESSOR_CORE2, | |
bd5295b2 | 238 | PROCESSOR_COREI7, |
3632d14b | 239 | PROCESSOR_L1OM, |
7a9068fe | 240 | PROCESSOR_K1OM, |
fbf3f584 L |
241 | PROCESSOR_K6, |
242 | PROCESSOR_ATHLON, | |
243 | PROCESSOR_K8, | |
244 | PROCESSOR_GENERIC32, | |
245 | PROCESSOR_GENERIC64, | |
69dd9865 | 246 | PROCESSOR_AMDFAM10, |
7b458c12 L |
247 | PROCESSOR_BD, |
248 | PROCESSOR_BT | |
fbf3f584 L |
249 | }; |
250 | ||
251 | extern enum processor_type cpu_arch_tune; | |
252 | extern enum processor_type cpu_arch_isa; | |
253 | extern i386_cpu_flags cpu_arch_isa_flags; | |
254 | ||
255 | struct i386_tc_frag_data | |
256 | { | |
257 | enum processor_type isa; | |
258 | i386_cpu_flags isa_flags; | |
259 | enum processor_type tune; | |
260 | }; | |
261 | ||
262 | /* We need to emit the right NOP pattern in .align frags. This is | |
263 | done after the text-to-bits assembly pass, so we need to mark it with | |
264 | the isa/tune settings at the time the .align was assembled. */ | |
265 | #define TC_FRAG_TYPE struct i386_tc_frag_data | |
266 | ||
267 | #define TC_FRAG_INIT(FRAGP) \ | |
268 | do \ | |
269 | { \ | |
270 | (FRAGP)->tc_frag_data.isa = cpu_arch_isa; \ | |
271 | (FRAGP)->tc_frag_data.isa_flags = cpu_arch_isa_flags; \ | |
272 | (FRAGP)->tc_frag_data.tune = cpu_arch_tune; \ | |
273 | } \ | |
274 | while (0) | |
275 | ||
252b5132 RH |
276 | #ifdef SCO_ELF |
277 | #define tc_init_after_args() sco_id () | |
e3bb37b5 | 278 | extern void sco_id (void); |
252b5132 RH |
279 | #endif |
280 | ||
b1b7d09b AM |
281 | #define WORKING_DOT_WORD 1 |
282 | ||
54cfded0 | 283 | /* We want .cfi_* pseudo-ops for generating unwind info. */ |
a4447b93 | 284 | #define TARGET_USE_CFIPOP 1 |
54cfded0 | 285 | |
a4447b93 RH |
286 | extern unsigned int x86_dwarf2_return_column; |
287 | #define DWARF2_DEFAULT_RETURN_COLUMN x86_dwarf2_return_column | |
288 | ||
289 | extern int x86_cie_data_alignment; | |
290 | #define DWARF2_CIE_DATA_ALIGNMENT x86_cie_data_alignment | |
54cfded0 | 291 | |
d7921315 L |
292 | extern int x86_dwarf2_addr_size (void); |
293 | #define DWARF2_ADDR_SIZE(bfd) x86_dwarf2_addr_size () | |
294 | ||
a60de03c JB |
295 | #define tc_parse_to_dw2regnum tc_x86_parse_to_dw2regnum |
296 | extern void tc_x86_parse_to_dw2regnum (expressionS *); | |
54cfded0 AM |
297 | |
298 | #define tc_cfi_frame_initial_instructions tc_x86_frame_initial_instructions | |
e3bb37b5 | 299 | extern void tc_x86_frame_initial_instructions (void); |
54cfded0 | 300 | |
d2b2c203 | 301 | #define md_elf_section_type(str,len) i386_elf_section_type (str, len) |
e3bb37b5 | 302 | extern int i386_elf_section_type (const char *, size_t); |
d2b2c203 | 303 | |
ad5fec3b EB |
304 | #ifdef TE_SOLARIS |
305 | #define md_fix_up_eh_frame(sec) i386_solaris_fix_up_eh_frame (sec) | |
306 | extern void i386_solaris_fix_up_eh_frame (segT); | |
307 | #endif | |
308 | ||
3b22753a | 309 | /* Support for SHF_X86_64_LARGE */ |
01e1a5bc NC |
310 | extern bfd_vma x86_64_section_word (char *, size_t); |
311 | extern bfd_vma x86_64_section_letter (int, char **); | |
3b22753a L |
312 | #define md_elf_section_letter(LETTER, PTR_MSG) x86_64_section_letter (LETTER, PTR_MSG) |
313 | #define md_elf_section_word(STR, LEN) x86_64_section_word (STR, LEN) | |
314 | ||
bb41ade5 AM |
315 | #ifdef TE_PE |
316 | ||
317 | #define O_secrel O_md1 | |
318 | ||
319 | #define TC_DWARF2_EMIT_OFFSET tc_pe_dwarf2_emit_offset | |
320 | void tc_pe_dwarf2_emit_offset (symbolS *, unsigned int); | |
321 | ||
322 | #endif /* TE_PE */ | |
323 | ||
ee86248c JB |
324 | /* X_add_symbol:X_op_symbol (Intel mode only) */ |
325 | #define O_full_ptr O_md2 | |
326 | ||
cdaa5616 IS |
327 | #ifdef OBJ_MACH_O |
328 | ||
329 | #define TC_FORCE_RELOCATION(FIX) (obj_mach_o_force_reloc (FIX)) | |
330 | ||
331 | #define TC_FORCE_RELOCATION_SUB_SAME(FIX,SEG) \ | |
332 | (obj_mach_o_force_reloc_sub_same (FIX, SEG)) | |
333 | ||
334 | #define TC_FORCE_RELOCATION_SUB_LOCAL(FIX,SEG) \ | |
335 | (obj_mach_o_force_reloc_sub_local (FIX, SEG)) | |
336 | ||
337 | #define TC_VALIDATE_FIX_SUB(FIX, SEG) 1 | |
338 | ||
339 | #endif /* OBJ_MACH_O */ | |
340 | ||
6088b00e | 341 | #endif /* TC_I386 */ |