1 //===-- MObjectFileInfo.cpp - Object File Information ---------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/MC/MCObjectFileInfo.h"
11 #include "llvm/MC/MCContext.h"
12 #include "llvm/MC/MCSection.h"
13 #include "llvm/MC/MCSectionCOFF.h"
14 #include "llvm/MC/MCSectionELF.h"
15 #include "llvm/MC/MCSectionMachO.h"
16 #include "llvm/ADT/Triple.h"
19 void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) {
21 IsFunctionEHFrameSymbolPrivate = false;
22 SupportsWeakOmittedEHFrame = false;
24 PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel
25 | dwarf::DW_EH_PE_sdata4;
26 LSDAEncoding = FDEEncoding = FDECFIEncoding = dwarf::DW_EH_PE_pcrel;
27 TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
28 dwarf::DW_EH_PE_sdata4;
30 // .comm doesn't support alignment before Leopard.
31 if (T.isMacOSX() && T.isMacOSXVersionLT(10, 5))
32 CommDirectiveSupportsAlignment = false;
35 = Ctx->getMachOSection("__TEXT", "__text",
36 MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
37 SectionKind::getText());
39 = Ctx->getMachOSection("__DATA", "__data", 0,
40 SectionKind::getDataRel());
42 TLSDataSection // .tdata
43 = Ctx->getMachOSection("__DATA", "__thread_data",
44 MCSectionMachO::S_THREAD_LOCAL_REGULAR,
45 SectionKind::getDataRel());
46 TLSBSSSection // .tbss
47 = Ctx->getMachOSection("__DATA", "__thread_bss",
48 MCSectionMachO::S_THREAD_LOCAL_ZEROFILL,
49 SectionKind::getThreadBSS());
51 // TODO: Verify datarel below.
53 = Ctx->getMachOSection("__DATA", "__thread_vars",
54 MCSectionMachO::S_THREAD_LOCAL_VARIABLES,
55 SectionKind::getDataRel());
58 = Ctx->getMachOSection("__DATA", "__thread_init",
59 MCSectionMachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS,
60 SectionKind::getDataRel());
62 CStringSection // .cstring
63 = Ctx->getMachOSection("__TEXT", "__cstring",
64 MCSectionMachO::S_CSTRING_LITERALS,
65 SectionKind::getMergeable1ByteCString());
67 = Ctx->getMachOSection("__TEXT","__ustring", 0,
68 SectionKind::getMergeable2ByteCString());
69 FourByteConstantSection // .literal4
70 = Ctx->getMachOSection("__TEXT", "__literal4",
71 MCSectionMachO::S_4BYTE_LITERALS,
72 SectionKind::getMergeableConst4());
73 EightByteConstantSection // .literal8
74 = Ctx->getMachOSection("__TEXT", "__literal8",
75 MCSectionMachO::S_8BYTE_LITERALS,
76 SectionKind::getMergeableConst8());
78 // ld_classic doesn't support .literal16 in 32-bit mode, and ld64 falls back
79 // to using it in -static mode.
80 SixteenByteConstantSection = 0;
81 if (RelocM != Reloc::Static &&
82 T.getArch() != Triple::x86_64 && T.getArch() != Triple::ppc64)
83 SixteenByteConstantSection = // .literal16
84 Ctx->getMachOSection("__TEXT", "__literal16",
85 MCSectionMachO::S_16BYTE_LITERALS,
86 SectionKind::getMergeableConst16());
88 ReadOnlySection // .const
89 = Ctx->getMachOSection("__TEXT", "__const", 0,
90 SectionKind::getReadOnly());
93 = Ctx->getMachOSection("__TEXT", "__textcoal_nt",
94 MCSectionMachO::S_COALESCED |
95 MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
96 SectionKind::getText());
98 = Ctx->getMachOSection("__TEXT", "__const_coal",
99 MCSectionMachO::S_COALESCED,
100 SectionKind::getReadOnly());
101 ConstDataSection // .const_data
102 = Ctx->getMachOSection("__DATA", "__const", 0,
103 SectionKind::getReadOnlyWithRel());
105 = Ctx->getMachOSection("__DATA","__datacoal_nt",
106 MCSectionMachO::S_COALESCED,
107 SectionKind::getDataRel());
109 = Ctx->getMachOSection("__DATA","__common",
110 MCSectionMachO::S_ZEROFILL,
111 SectionKind::getBSS());
113 = Ctx->getMachOSection("__DATA","__bss", MCSectionMachO::S_ZEROFILL,
114 SectionKind::getBSS());
117 LazySymbolPointerSection
118 = Ctx->getMachOSection("__DATA", "__la_symbol_ptr",
119 MCSectionMachO::S_LAZY_SYMBOL_POINTERS,
120 SectionKind::getMetadata());
121 NonLazySymbolPointerSection
122 = Ctx->getMachOSection("__DATA", "__nl_symbol_ptr",
123 MCSectionMachO::S_NON_LAZY_SYMBOL_POINTERS,
124 SectionKind::getMetadata());
126 if (RelocM == Reloc::Static) {
128 = Ctx->getMachOSection("__TEXT", "__constructor", 0,
129 SectionKind::getDataRel());
131 = Ctx->getMachOSection("__TEXT", "__destructor", 0,
132 SectionKind::getDataRel());
135 = Ctx->getMachOSection("__DATA", "__mod_init_func",
136 MCSectionMachO::S_MOD_INIT_FUNC_POINTERS,
137 SectionKind::getDataRel());
139 = Ctx->getMachOSection("__DATA", "__mod_term_func",
140 MCSectionMachO::S_MOD_TERM_FUNC_POINTERS,
141 SectionKind::getDataRel());
144 // Exception Handling.
145 LSDASection = Ctx->getMachOSection("__TEXT", "__gcc_except_tab", 0,
146 SectionKind::getReadOnlyWithRel());
148 if (T.isMacOSX() && !T.isMacOSXVersionLT(10, 6))
149 CompactUnwindSection =
150 Ctx->getMachOSection("__LD", "__compact_unwind",
151 MCSectionMachO::S_ATTR_DEBUG,
152 SectionKind::getReadOnly());
154 // Debug Information.
155 DwarfAccelNamesSection =
156 Ctx->getMachOSection("__DWARF", "__apple_names",
157 MCSectionMachO::S_ATTR_DEBUG,
158 SectionKind::getMetadata());
159 DwarfAccelObjCSection =
160 Ctx->getMachOSection("__DWARF", "__apple_objc",
161 MCSectionMachO::S_ATTR_DEBUG,
162 SectionKind::getMetadata());
163 // 16 character section limit...
164 DwarfAccelNamespaceSection =
165 Ctx->getMachOSection("__DWARF", "__apple_namespac",
166 MCSectionMachO::S_ATTR_DEBUG,
167 SectionKind::getMetadata());
168 DwarfAccelTypesSection =
169 Ctx->getMachOSection("__DWARF", "__apple_types",
170 MCSectionMachO::S_ATTR_DEBUG,
171 SectionKind::getMetadata());
174 Ctx->getMachOSection("__DWARF", "__debug_abbrev",
175 MCSectionMachO::S_ATTR_DEBUG,
176 SectionKind::getMetadata());
178 Ctx->getMachOSection("__DWARF", "__debug_info",
179 MCSectionMachO::S_ATTR_DEBUG,
180 SectionKind::getMetadata());
182 Ctx->getMachOSection("__DWARF", "__debug_line",
183 MCSectionMachO::S_ATTR_DEBUG,
184 SectionKind::getMetadata());
186 Ctx->getMachOSection("__DWARF", "__debug_frame",
187 MCSectionMachO::S_ATTR_DEBUG,
188 SectionKind::getMetadata());
189 DwarfPubNamesSection =
190 Ctx->getMachOSection("__DWARF", "__debug_pubnames",
191 MCSectionMachO::S_ATTR_DEBUG,
192 SectionKind::getMetadata());
193 DwarfPubTypesSection =
194 Ctx->getMachOSection("__DWARF", "__debug_pubtypes",
195 MCSectionMachO::S_ATTR_DEBUG,
196 SectionKind::getMetadata());
198 Ctx->getMachOSection("__DWARF", "__debug_str",
199 MCSectionMachO::S_ATTR_DEBUG,
200 SectionKind::getMetadata());
202 Ctx->getMachOSection("__DWARF", "__debug_loc",
203 MCSectionMachO::S_ATTR_DEBUG,
204 SectionKind::getMetadata());
205 DwarfARangesSection =
206 Ctx->getMachOSection("__DWARF", "__debug_aranges",
207 MCSectionMachO::S_ATTR_DEBUG,
208 SectionKind::getMetadata());
210 Ctx->getMachOSection("__DWARF", "__debug_ranges",
211 MCSectionMachO::S_ATTR_DEBUG,
212 SectionKind::getMetadata());
213 DwarfMacroInfoSection =
214 Ctx->getMachOSection("__DWARF", "__debug_macinfo",
215 MCSectionMachO::S_ATTR_DEBUG,
216 SectionKind::getMetadata());
217 DwarfDebugInlineSection =
218 Ctx->getMachOSection("__DWARF", "__debug_inlined",
219 MCSectionMachO::S_ATTR_DEBUG,
220 SectionKind::getMetadata());
222 TLSExtraDataSection = TLSTLVSection;
225 void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
226 if (T.getArch() == Triple::x86) {
227 PersonalityEncoding = (RelocM == Reloc::PIC_)
228 ? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
229 : dwarf::DW_EH_PE_absptr;
230 LSDAEncoding = (RelocM == Reloc::PIC_)
231 ? dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
232 : dwarf::DW_EH_PE_absptr;
233 FDEEncoding = FDECFIEncoding = (RelocM == Reloc::PIC_)
234 ? dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
235 : dwarf::DW_EH_PE_absptr;
236 TTypeEncoding = (RelocM == Reloc::PIC_)
237 ? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
238 : dwarf::DW_EH_PE_absptr;
239 } else if (T.getArch() == Triple::x86_64) {
240 FDECFIEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
242 if (RelocM == Reloc::PIC_) {
243 PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
244 ((CMModel == CodeModel::Small || CMModel == CodeModel::Medium)
245 ? dwarf::DW_EH_PE_sdata4 : dwarf::DW_EH_PE_sdata8);
246 LSDAEncoding = dwarf::DW_EH_PE_pcrel |
247 (CMModel == CodeModel::Small
248 ? dwarf::DW_EH_PE_sdata4 : dwarf::DW_EH_PE_sdata8);
249 FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
250 TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
251 ((CMModel == CodeModel::Small || CMModel == CodeModel::Medium)
252 ? dwarf::DW_EH_PE_sdata4 : dwarf::DW_EH_PE_sdata8);
254 PersonalityEncoding =
255 (CMModel == CodeModel::Small || CMModel == CodeModel::Medium)
256 ? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
257 LSDAEncoding = (CMModel == CodeModel::Small)
258 ? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
259 FDEEncoding = dwarf::DW_EH_PE_udata4;
260 TTypeEncoding = (CMModel == CodeModel::Small)
261 ? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
267 Ctx->getELFSection(".bss", ELF::SHT_NOBITS,
268 ELF::SHF_WRITE |ELF::SHF_ALLOC,
269 SectionKind::getBSS());
272 Ctx->getELFSection(".text", ELF::SHT_PROGBITS,
275 SectionKind::getText());
278 Ctx->getELFSection(".data", ELF::SHT_PROGBITS,
279 ELF::SHF_WRITE |ELF::SHF_ALLOC,
280 SectionKind::getDataRel());
283 Ctx->getELFSection(".rodata", ELF::SHT_PROGBITS,
285 SectionKind::getReadOnly());
288 Ctx->getELFSection(".tdata", ELF::SHT_PROGBITS,
289 ELF::SHF_ALLOC | ELF::SHF_TLS |
291 SectionKind::getThreadData());
294 Ctx->getELFSection(".tbss", ELF::SHT_NOBITS,
295 ELF::SHF_ALLOC | ELF::SHF_TLS |
297 SectionKind::getThreadBSS());
300 Ctx->getELFSection(".data.rel", ELF::SHT_PROGBITS,
301 ELF::SHF_ALLOC |ELF::SHF_WRITE,
302 SectionKind::getDataRel());
304 DataRelLocalSection =
305 Ctx->getELFSection(".data.rel.local", ELF::SHT_PROGBITS,
306 ELF::SHF_ALLOC |ELF::SHF_WRITE,
307 SectionKind::getDataRelLocal());
310 Ctx->getELFSection(".data.rel.ro", ELF::SHT_PROGBITS,
311 ELF::SHF_ALLOC |ELF::SHF_WRITE,
312 SectionKind::getReadOnlyWithRel());
314 DataRelROLocalSection =
315 Ctx->getELFSection(".data.rel.ro.local", ELF::SHT_PROGBITS,
316 ELF::SHF_ALLOC |ELF::SHF_WRITE,
317 SectionKind::getReadOnlyWithRelLocal());
319 MergeableConst4Section =
320 Ctx->getELFSection(".rodata.cst4", ELF::SHT_PROGBITS,
321 ELF::SHF_ALLOC |ELF::SHF_MERGE,
322 SectionKind::getMergeableConst4());
324 MergeableConst8Section =
325 Ctx->getELFSection(".rodata.cst8", ELF::SHT_PROGBITS,
326 ELF::SHF_ALLOC |ELF::SHF_MERGE,
327 SectionKind::getMergeableConst8());
329 MergeableConst16Section =
330 Ctx->getELFSection(".rodata.cst16", ELF::SHT_PROGBITS,
331 ELF::SHF_ALLOC |ELF::SHF_MERGE,
332 SectionKind::getMergeableConst16());
335 Ctx->getELFSection(".ctors", ELF::SHT_PROGBITS,
336 ELF::SHF_ALLOC |ELF::SHF_WRITE,
337 SectionKind::getDataRel());
340 Ctx->getELFSection(".dtors", ELF::SHT_PROGBITS,
341 ELF::SHF_ALLOC |ELF::SHF_WRITE,
342 SectionKind::getDataRel());
344 // Exception Handling Sections.
346 // FIXME: We're emitting LSDA info into a readonly section on ELF, even though
347 // it contains relocatable pointers. In PIC mode, this is probably a big
348 // runtime hit for C++ apps. Either the contents of the LSDA need to be
349 // adjusted or this should be a data section.
351 Ctx->getELFSection(".gcc_except_table", ELF::SHT_PROGBITS,
353 SectionKind::getReadOnly());
355 // Debug Info Sections.
357 Ctx->getELFSection(".debug_abbrev", ELF::SHT_PROGBITS, 0,
358 SectionKind::getMetadata());
360 Ctx->getELFSection(".debug_info", ELF::SHT_PROGBITS, 0,
361 SectionKind::getMetadata());
363 Ctx->getELFSection(".debug_line", ELF::SHT_PROGBITS, 0,
364 SectionKind::getMetadata());
366 Ctx->getELFSection(".debug_frame", ELF::SHT_PROGBITS, 0,
367 SectionKind::getMetadata());
368 DwarfPubNamesSection =
369 Ctx->getELFSection(".debug_pubnames", ELF::SHT_PROGBITS, 0,
370 SectionKind::getMetadata());
371 DwarfPubTypesSection =
372 Ctx->getELFSection(".debug_pubtypes", ELF::SHT_PROGBITS, 0,
373 SectionKind::getMetadata());
375 Ctx->getELFSection(".debug_str", ELF::SHT_PROGBITS,
376 ELF::SHF_MERGE | ELF::SHF_STRINGS,
377 SectionKind::getMergeable1ByteCString());
379 Ctx->getELFSection(".debug_loc", ELF::SHT_PROGBITS, 0,
380 SectionKind::getMetadata());
381 DwarfARangesSection =
382 Ctx->getELFSection(".debug_aranges", ELF::SHT_PROGBITS, 0,
383 SectionKind::getMetadata());
385 Ctx->getELFSection(".debug_ranges", ELF::SHT_PROGBITS, 0,
386 SectionKind::getMetadata());
387 DwarfMacroInfoSection =
388 Ctx->getELFSection(".debug_macinfo", ELF::SHT_PROGBITS, 0,
389 SectionKind::getMetadata());
393 void MCObjectFileInfo::InitCOFFMCObjectFileInfo(Triple T) {
396 Ctx->getCOFFSection(".text",
397 COFF::IMAGE_SCN_CNT_CODE |
398 COFF::IMAGE_SCN_MEM_EXECUTE |
399 COFF::IMAGE_SCN_MEM_READ,
400 SectionKind::getText());
402 Ctx->getCOFFSection(".data",
403 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
404 COFF::IMAGE_SCN_MEM_READ |
405 COFF::IMAGE_SCN_MEM_WRITE,
406 SectionKind::getDataRel());
408 Ctx->getCOFFSection(".rdata",
409 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
410 COFF::IMAGE_SCN_MEM_READ,
411 SectionKind::getReadOnly());
413 Ctx->getCOFFSection(".ctors",
414 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
415 COFF::IMAGE_SCN_MEM_READ |
416 COFF::IMAGE_SCN_MEM_WRITE,
417 SectionKind::getDataRel());
419 Ctx->getCOFFSection(".dtors",
420 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
421 COFF::IMAGE_SCN_MEM_READ |
422 COFF::IMAGE_SCN_MEM_WRITE,
423 SectionKind::getDataRel());
425 // FIXME: We're emitting LSDA info into a readonly section on COFF, even
426 // though it contains relocatable pointers. In PIC mode, this is probably a
427 // big runtime hit for C++ apps. Either the contents of the LSDA need to be
428 // adjusted or this should be a data section.
430 Ctx->getCOFFSection(".gcc_except_table",
431 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
432 COFF::IMAGE_SCN_MEM_READ,
433 SectionKind::getReadOnly());
437 Ctx->getCOFFSection(".debug_abbrev",
438 COFF::IMAGE_SCN_MEM_DISCARDABLE |
439 COFF::IMAGE_SCN_MEM_READ,
440 SectionKind::getMetadata());
442 Ctx->getCOFFSection(".debug_info",
443 COFF::IMAGE_SCN_MEM_DISCARDABLE |
444 COFF::IMAGE_SCN_MEM_READ,
445 SectionKind::getMetadata());
447 Ctx->getCOFFSection(".debug_line",
448 COFF::IMAGE_SCN_MEM_DISCARDABLE |
449 COFF::IMAGE_SCN_MEM_READ,
450 SectionKind::getMetadata());
452 Ctx->getCOFFSection(".debug_frame",
453 COFF::IMAGE_SCN_MEM_DISCARDABLE |
454 COFF::IMAGE_SCN_MEM_READ,
455 SectionKind::getMetadata());
456 DwarfPubNamesSection =
457 Ctx->getCOFFSection(".debug_pubnames",
458 COFF::IMAGE_SCN_MEM_DISCARDABLE |
459 COFF::IMAGE_SCN_MEM_READ,
460 SectionKind::getMetadata());
461 DwarfPubTypesSection =
462 Ctx->getCOFFSection(".debug_pubtypes",
463 COFF::IMAGE_SCN_MEM_DISCARDABLE |
464 COFF::IMAGE_SCN_MEM_READ,
465 SectionKind::getMetadata());
467 Ctx->getCOFFSection(".debug_str",
468 COFF::IMAGE_SCN_MEM_DISCARDABLE |
469 COFF::IMAGE_SCN_MEM_READ,
470 SectionKind::getMetadata());
472 Ctx->getCOFFSection(".debug_loc",
473 COFF::IMAGE_SCN_MEM_DISCARDABLE |
474 COFF::IMAGE_SCN_MEM_READ,
475 SectionKind::getMetadata());
476 DwarfARangesSection =
477 Ctx->getCOFFSection(".debug_aranges",
478 COFF::IMAGE_SCN_MEM_DISCARDABLE |
479 COFF::IMAGE_SCN_MEM_READ,
480 SectionKind::getMetadata());
482 Ctx->getCOFFSection(".debug_ranges",
483 COFF::IMAGE_SCN_MEM_DISCARDABLE |
484 COFF::IMAGE_SCN_MEM_READ,
485 SectionKind::getMetadata());
486 DwarfMacroInfoSection =
487 Ctx->getCOFFSection(".debug_macinfo",
488 COFF::IMAGE_SCN_MEM_DISCARDABLE |
489 COFF::IMAGE_SCN_MEM_READ,
490 SectionKind::getMetadata());
493 Ctx->getCOFFSection(".drectve",
494 COFF::IMAGE_SCN_LNK_INFO,
495 SectionKind::getMetadata());
498 Ctx->getCOFFSection(".pdata",
499 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
500 COFF::IMAGE_SCN_MEM_READ |
501 COFF::IMAGE_SCN_MEM_WRITE,
502 SectionKind::getDataRel());
505 Ctx->getCOFFSection(".xdata",
506 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
507 COFF::IMAGE_SCN_MEM_READ |
508 COFF::IMAGE_SCN_MEM_WRITE,
509 SectionKind::getDataRel());
512 void MCObjectFileInfo::InitMCObjectFileInfo(StringRef TT, Reloc::Model relocm,
520 CommDirectiveSupportsAlignment = true;
521 SupportsWeakOmittedEHFrame = true;
522 IsFunctionEHFrameSymbolPrivate = true;
524 PersonalityEncoding = LSDAEncoding = FDEEncoding = FDECFIEncoding =
525 TTypeEncoding = dwarf::DW_EH_PE_absptr;
527 EHFrameSection = 0; // Created on demand.
528 CompactUnwindSection = 0; // Used only by selected targets.
529 DwarfAccelNamesSection = 0; // Used only by selected targets.
530 DwarfAccelObjCSection = 0; // Used only by selected targets.
531 DwarfAccelNamespaceSection = 0; // Used only by selected targets.
532 DwarfAccelTypesSection = 0; // Used only by selected targets.
535 Triple::ArchType Arch = T.getArch();
536 // FIXME: Checking for Arch here to filter out bogus triples such as
537 // cellspu-apple-darwin. Perhaps we should fix in Triple?
538 if ((Arch == Triple::x86 || Arch == Triple::x86_64 ||
539 Arch == Triple::arm || Arch == Triple::thumb ||
540 Arch == Triple::ppc || Arch == Triple::ppc64 ||
541 Arch == Triple::UnknownArch) &&
542 (T.isOSDarwin() || T.getEnvironment() == Triple::MachO)) {
544 InitMachOMCObjectFileInfo(T);
545 } else if ((Arch == Triple::x86 || Arch == Triple::x86_64) &&
546 (T.getOS() == Triple::MinGW32 || T.getOS() == Triple::Cygwin ||
547 T.getOS() == Triple::Win32)) {
549 InitCOFFMCObjectFileInfo(T);
552 InitELFMCObjectFileInfo(T);
556 void MCObjectFileInfo::InitEHFrameSection() {
559 Ctx->getMachOSection("__TEXT", "__eh_frame",
560 MCSectionMachO::S_COALESCED |
561 MCSectionMachO::S_ATTR_NO_TOC |
562 MCSectionMachO::S_ATTR_STRIP_STATIC_SYMS |
563 MCSectionMachO::S_ATTR_LIVE_SUPPORT,
564 SectionKind::getReadOnly());
565 else if (Env == IsELF)
567 Ctx->getELFSection(".eh_frame", ELF::SHT_PROGBITS,
569 SectionKind::getDataRel());
572 Ctx->getCOFFSection(".eh_frame",
573 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
574 COFF::IMAGE_SCN_MEM_READ |
575 COFF::IMAGE_SCN_MEM_WRITE,
576 SectionKind::getDataRel());