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, |
8d63c93e | 3 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
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 | ||
8a9036a4 | 32 | #define TARGET_ARCH (i386_arch ()) |
b9d79e03 | 33 | #define TARGET_MACH (i386_mach ()) |
8a9036a4 | 34 | extern enum bfd_architecture i386_arch (void); |
b7c92712 | 35 | extern unsigned long i386_mach (void); |
252b5132 | 36 | |
cac5b87b DB |
37 | #ifdef TE_FreeBSD |
38 | #define AOUT_TARGET_FORMAT "a.out-i386-freebsd" | |
39 | #endif | |
252b5132 | 40 | #ifdef TE_NetBSD |
4c63da97 | 41 | #define AOUT_TARGET_FORMAT "a.out-i386-netbsd" |
252b5132 RH |
42 | #endif |
43 | #ifdef TE_386BSD | |
4c63da97 | 44 | #define AOUT_TARGET_FORMAT "a.out-i386-bsd" |
252b5132 RH |
45 | #endif |
46 | #ifdef TE_LINUX | |
4c63da97 | 47 | #define AOUT_TARGET_FORMAT "a.out-i386-linux" |
252b5132 RH |
48 | #endif |
49 | #ifdef TE_Mach | |
4c63da97 | 50 | #define AOUT_TARGET_FORMAT "a.out-mach3" |
252b5132 RH |
51 | #endif |
52 | #ifdef TE_DYNIX | |
4c63da97 | 53 | #define AOUT_TARGET_FORMAT "a.out-i386-dynix" |
252b5132 | 54 | #endif |
4c63da97 AM |
55 | #ifndef AOUT_TARGET_FORMAT |
56 | #define AOUT_TARGET_FORMAT "a.out-i386" | |
252b5132 | 57 | #endif |
252b5132 | 58 | |
4ada7262 DB |
59 | #ifdef TE_FreeBSD |
60 | #define ELF_TARGET_FORMAT "elf32-i386-freebsd" | |
9d7cbccd | 61 | #define ELF_TARGET_FORMAT64 "elf64-x86-64-freebsd" |
eac338cf PB |
62 | #elif defined (TE_VXWORKS) |
63 | #define ELF_TARGET_FORMAT "elf32-i386-vxworks" | |
8d63c93e RM |
64 | #elif defined (TE_NACL) |
65 | #define ELF_TARGET_FORMAT "elf32-i386-nacl" | |
8059fb19 RM |
66 | #define ELF_TARGET_FORMAT32 "elf32-x86-64-nacl" |
67 | #define ELF_TARGET_FORMAT64 "elf64-x86-64-nacl" | |
4ada7262 | 68 | #endif |
eac338cf | 69 | |
40cf28aa RO |
70 | #ifdef TE_SOLARIS |
71 | #define ELF_TARGET_FORMAT "elf32-i386-sol2" | |
72 | #define ELF_TARGET_FORMAT64 "elf64-x86-64-sol2" | |
73 | #endif | |
74 | ||
4ada7262 DB |
75 | #ifndef ELF_TARGET_FORMAT |
76 | #define ELF_TARGET_FORMAT "elf32-i386" | |
77 | #endif | |
78 | ||
9d7cbccd NC |
79 | #ifndef ELF_TARGET_FORMAT64 |
80 | #define ELF_TARGET_FORMAT64 "elf64-x86-64" | |
81 | #endif | |
82 | ||
351f65ca L |
83 | #ifndef ELF_TARGET_FORMAT32 |
84 | #define ELF_TARGET_FORMAT32 "elf32-x86-64" | |
85 | #endif | |
86 | ||
8a9036a4 L |
87 | #ifndef ELF_TARGET_L1OM_FORMAT |
88 | #define ELF_TARGET_L1OM_FORMAT "elf64-l1om" | |
89 | #endif | |
90 | ||
7a9068fe L |
91 | #ifndef ELF_TARGET_K1OM_FORMAT |
92 | #define ELF_TARGET_K1OM_FORMAT "elf64-k1om" | |
93 | #endif | |
94 | ||
3e73aa7c | 95 | #if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \ |
321098a5 | 96 | || defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
e57f8c65 | 97 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) |
e3bb37b5 | 98 | extern const char *i386_target_format (void); |
4c63da97 AM |
99 | #define TARGET_FORMAT i386_target_format () |
100 | #else | |
0561d57c JK |
101 | #ifdef TE_GO32 |
102 | #define TARGET_FORMAT "coff-go32" | |
103 | #endif | |
4c63da97 AM |
104 | #ifdef OBJ_AOUT |
105 | #define TARGET_FORMAT AOUT_TARGET_FORMAT | |
252b5132 RH |
106 | #endif |
107 | #endif | |
108 | ||
a847613f AM |
109 | #if (defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF)) |
110 | #define md_end i386_elf_emit_arch_note | |
e3bb37b5 | 111 | extern void i386_elf_emit_arch_note (void); |
a847613f AM |
112 | #endif |
113 | ||
18e1d487 AM |
114 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0 |
115 | ||
f378cd83 L |
116 | /* '$' may be used as immediate prefix. */ |
117 | #undef LOCAL_LABELS_DOLLAR | |
118 | #define LOCAL_LABELS_DOLLAR 0 | |
119 | #undef LOCAL_LABELS_FB | |
6088b00e | 120 | #define LOCAL_LABELS_FB 1 |
252b5132 RH |
121 | |
122 | extern const char extra_symbol_chars[]; | |
123 | #define tc_symbol_chars extra_symbol_chars | |
124 | ||
b3b91714 AM |
125 | extern const char *i386_comment_chars; |
126 | #define tc_comment_chars i386_comment_chars | |
127 | ||
252b5132 | 128 | /* The name of the global offset table generated by the compiler. Allow |
4a4f25cf | 129 | this to be overridden if need be. */ |
252b5132 RH |
130 | #ifndef GLOBAL_OFFSET_TABLE_NAME |
131 | #define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_" | |
132 | #endif | |
133 | ||
718ddfc0 | 134 | #if (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) && !defined (LEX_AT) |
6088b00e | 135 | #define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) x86_cons (EXP, NBYTES) |
d182319b | 136 | #endif |
4e4f7c87 | 137 | extern void x86_cons (expressionS *, int); |
6088b00e AM |
138 | |
139 | #define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) x86_cons_fix_new(FRAG, OFF, LEN, EXP) | |
140 | extern void x86_cons_fix_new | |
e3bb37b5 | 141 | (fragS *, unsigned int, unsigned int, expressionS *); |
6088b00e | 142 | |
357d1bd8 L |
143 | #define TC_ADDRESS_BYTES x86_address_bytes |
144 | extern int x86_address_bytes (void); | |
145 | ||
6088b00e AM |
146 | #define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ |
147 | ||
6088b00e AM |
148 | #define NO_RELOC BFD_RELOC_NONE |
149 | ||
e3bb37b5 | 150 | void i386_validate_fix (struct fix *); |
a161fe53 | 151 | #define TC_VALIDATE_FIX(FIX,SEGTYPE,SKIP) i386_validate_fix(FIX) |
6088b00e AM |
152 | |
153 | #define tc_fix_adjustable(X) tc_i386_fix_adjustable(X) | |
e3bb37b5 | 154 | extern int tc_i386_fix_adjustable (struct fix *); |
6088b00e | 155 | |
55cf6793 | 156 | /* Values passed to md_apply_fix don't include the symbol value. */ |
a161fe53 | 157 | #define MD_APPLY_SYM_VALUE(FIX) 0 |
3ca4bdc3 AM |
158 | |
159 | /* ELF wants external syms kept, as does PE COFF. */ | |
ae6063d4 AM |
160 | #if defined (TE_PE) && defined (STRICT_PE_FORMAT) |
161 | #define EXTERN_FORCE_RELOC \ | |
3ca4bdc3 AM |
162 | (OUTPUT_FLAVOR == bfd_target_elf_flavour \ |
163 | || OUTPUT_FLAVOR == bfd_target_coff_flavour) | |
164 | #else | |
165 | #define EXTERN_FORCE_RELOC \ | |
166 | (OUTPUT_FLAVOR == bfd_target_elf_flavour) | |
252b5132 RH |
167 | #endif |
168 | ||
a161fe53 AM |
169 | /* This expression evaluates to true if the relocation is for a local |
170 | object for which we still want to do the relocation at runtime. | |
171 | False if we are willing to perform this relocation while building | |
8d63c93e | 172 | the .o file. GOTOFF and GOT32 do not need to be checked here because |
2a86604a | 173 | they are not pcrel. .*/ |
6088b00e | 174 | |
a161fe53 AM |
175 | #define TC_FORCE_RELOCATION_LOCAL(FIX) \ |
176 | (!(FIX)->fx_pcrel \ | |
a161fe53 | 177 | || (FIX)->fx_r_type == BFD_RELOC_386_PLT32 \ |
a161fe53 | 178 | || (FIX)->fx_r_type == BFD_RELOC_386_GOTPC \ |
f5d9e816 | 179 | || (FIX)->fx_r_type == BFD_RELOC_X86_64_GOTPCREL \ |
a161fe53 | 180 | || TC_FORCE_RELOCATION (FIX)) |
6088b00e | 181 | |
4d1bb795 JB |
182 | extern int i386_parse_name (char *, expressionS *, char *); |
183 | #define md_parse_name(s, e, m, c) i386_parse_name (s, e, c) | |
252b5132 | 184 | |
ee86248c JB |
185 | extern operatorT i386_operator (const char *name, unsigned int operands, char *); |
186 | #define md_operator i386_operator | |
187 | ||
188 | extern int i386_need_index_operator (void); | |
189 | #define md_need_index_operator i386_need_index_operator | |
190 | ||
5a918ce7 JB |
191 | #define md_register_arithmetic 0 |
192 | ||
252b5132 RH |
193 | extern const struct relax_type md_relax_table[]; |
194 | #define TC_GENERIC_RELAX_TABLE md_relax_table | |
195 | ||
12b55ccc L |
196 | extern int optimize_align_code; |
197 | ||
252b5132 | 198 | #define md_do_align(n, fill, len, max, around) \ |
12b55ccc L |
199 | if ((n) \ |
200 | && !need_pass_2 \ | |
201 | && optimize_align_code \ | |
202 | && (!(fill) \ | |
203 | || ((char)*(fill) == (char)0x90 && (len) == 1)) \ | |
b9e57a38 | 204 | && subseg_text_p (now_seg)) \ |
252b5132 | 205 | { \ |
0a9ef439 | 206 | frag_align_code ((n), (max)); \ |
252b5132 RH |
207 | goto around; \ |
208 | } | |
209 | ||
76bc74dc | 210 | #define MAX_MEM_FOR_RS_ALIGN_CODE 31 |
0a9ef439 | 211 | |
e3bb37b5 | 212 | extern void i386_align_code (fragS *, int); |
252b5132 RH |
213 | |
214 | #define HANDLE_ALIGN(fragP) \ | |
215 | if (fragP->fr_type == rs_align_code) \ | |
216 | i386_align_code (fragP, (fragP->fr_next->fr_address \ | |
217 | - fragP->fr_address \ | |
218 | - fragP->fr_fix)); | |
219 | ||
e3bb37b5 | 220 | void i386_print_statistics (FILE *); |
252b5132 RH |
221 | #define tc_print_statistics i386_print_statistics |
222 | ||
fa94de6b RM |
223 | extern unsigned int i386_frag_max_var (fragS *); |
224 | #define md_frag_max_var i386_frag_max_var | |
225 | ||
252b5132 RH |
226 | #define md_number_to_chars number_to_chars_littleendian |
227 | ||
fbf3f584 L |
228 | enum processor_type |
229 | { | |
230 | PROCESSOR_UNKNOWN, | |
231 | PROCESSOR_I386, | |
232 | PROCESSOR_I486, | |
233 | PROCESSOR_PENTIUM, | |
234 | PROCESSOR_PENTIUMPRO, | |
235 | PROCESSOR_PENTIUM4, | |
236 | PROCESSOR_NOCONA, | |
237 | PROCESSOR_CORE, | |
238 | PROCESSOR_CORE2, | |
bd5295b2 | 239 | PROCESSOR_COREI7, |
3632d14b | 240 | PROCESSOR_L1OM, |
7a9068fe | 241 | PROCESSOR_K1OM, |
fbf3f584 L |
242 | PROCESSOR_K6, |
243 | PROCESSOR_ATHLON, | |
244 | PROCESSOR_K8, | |
245 | PROCESSOR_GENERIC32, | |
246 | PROCESSOR_GENERIC64, | |
69dd9865 | 247 | PROCESSOR_AMDFAM10, |
7b458c12 L |
248 | PROCESSOR_BD, |
249 | PROCESSOR_BT | |
fbf3f584 L |
250 | }; |
251 | ||
252 | extern enum processor_type cpu_arch_tune; | |
253 | extern enum processor_type cpu_arch_isa; | |
254 | extern i386_cpu_flags cpu_arch_isa_flags; | |
255 | ||
256 | struct i386_tc_frag_data | |
257 | { | |
258 | enum processor_type isa; | |
259 | i386_cpu_flags isa_flags; | |
260 | enum processor_type tune; | |
261 | }; | |
262 | ||
263 | /* We need to emit the right NOP pattern in .align frags. This is | |
264 | done after the text-to-bits assembly pass, so we need to mark it with | |
265 | the isa/tune settings at the time the .align was assembled. */ | |
266 | #define TC_FRAG_TYPE struct i386_tc_frag_data | |
267 | ||
268 | #define TC_FRAG_INIT(FRAGP) \ | |
269 | do \ | |
270 | { \ | |
271 | (FRAGP)->tc_frag_data.isa = cpu_arch_isa; \ | |
272 | (FRAGP)->tc_frag_data.isa_flags = cpu_arch_isa_flags; \ | |
273 | (FRAGP)->tc_frag_data.tune = cpu_arch_tune; \ | |
274 | } \ | |
275 | while (0) | |
276 | ||
252b5132 RH |
277 | #ifdef SCO_ELF |
278 | #define tc_init_after_args() sco_id () | |
e3bb37b5 | 279 | extern void sco_id (void); |
252b5132 RH |
280 | #endif |
281 | ||
b1b7d09b AM |
282 | #define WORKING_DOT_WORD 1 |
283 | ||
54cfded0 | 284 | /* We want .cfi_* pseudo-ops for generating unwind info. */ |
a4447b93 | 285 | #define TARGET_USE_CFIPOP 1 |
54cfded0 | 286 | |
a4447b93 RH |
287 | extern unsigned int x86_dwarf2_return_column; |
288 | #define DWARF2_DEFAULT_RETURN_COLUMN x86_dwarf2_return_column | |
289 | ||
290 | extern int x86_cie_data_alignment; | |
291 | #define DWARF2_CIE_DATA_ALIGNMENT x86_cie_data_alignment | |
54cfded0 | 292 | |
d7921315 L |
293 | extern int x86_dwarf2_addr_size (void); |
294 | #define DWARF2_ADDR_SIZE(bfd) x86_dwarf2_addr_size () | |
295 | ||
a60de03c JB |
296 | #define tc_parse_to_dw2regnum tc_x86_parse_to_dw2regnum |
297 | extern void tc_x86_parse_to_dw2regnum (expressionS *); | |
54cfded0 AM |
298 | |
299 | #define tc_cfi_frame_initial_instructions tc_x86_frame_initial_instructions | |
e3bb37b5 | 300 | extern void tc_x86_frame_initial_instructions (void); |
54cfded0 | 301 | |
d2b2c203 | 302 | #define md_elf_section_type(str,len) i386_elf_section_type (str, len) |
e3bb37b5 | 303 | extern int i386_elf_section_type (const char *, size_t); |
d2b2c203 | 304 | |
ad5fec3b EB |
305 | #ifdef TE_SOLARIS |
306 | #define md_fix_up_eh_frame(sec) i386_solaris_fix_up_eh_frame (sec) | |
307 | extern void i386_solaris_fix_up_eh_frame (segT); | |
308 | #endif | |
309 | ||
3b22753a | 310 | /* Support for SHF_X86_64_LARGE */ |
01e1a5bc NC |
311 | extern bfd_vma x86_64_section_word (char *, size_t); |
312 | extern bfd_vma x86_64_section_letter (int, char **); | |
3b22753a L |
313 | #define md_elf_section_letter(LETTER, PTR_MSG) x86_64_section_letter (LETTER, PTR_MSG) |
314 | #define md_elf_section_word(STR, LEN) x86_64_section_word (STR, LEN) | |
315 | ||
bb41ade5 AM |
316 | #ifdef TE_PE |
317 | ||
318 | #define O_secrel O_md1 | |
319 | ||
320 | #define TC_DWARF2_EMIT_OFFSET tc_pe_dwarf2_emit_offset | |
321 | void tc_pe_dwarf2_emit_offset (symbolS *, unsigned int); | |
322 | ||
323 | #endif /* TE_PE */ | |
324 | ||
ee86248c JB |
325 | /* X_add_symbol:X_op_symbol (Intel mode only) */ |
326 | #define O_full_ptr O_md2 | |
327 | ||
cdaa5616 IS |
328 | #ifdef OBJ_MACH_O |
329 | ||
330 | #define TC_FORCE_RELOCATION(FIX) (obj_mach_o_force_reloc (FIX)) | |
331 | ||
332 | #define TC_FORCE_RELOCATION_SUB_SAME(FIX,SEG) \ | |
333 | (obj_mach_o_force_reloc_sub_same (FIX, SEG)) | |
334 | ||
335 | #define TC_FORCE_RELOCATION_SUB_LOCAL(FIX,SEG) \ | |
336 | (obj_mach_o_force_reloc_sub_local (FIX, SEG)) | |
337 | ||
338 | #define TC_VALIDATE_FIX_SUB(FIX, SEG) 1 | |
339 | ||
340 | #endif /* OBJ_MACH_O */ | |
341 | ||
6088b00e | 342 | #endif /* TC_I386 */ |