LLVM 22.0.0git
MCObjectFileInfo.cpp
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1//===-- MCObjectFileInfo.cpp - Object File Information --------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "llvm/MC/MCObjectFileInfo.h"
10#include "llvm/ADT/StringExtras.h"
11#include "llvm/BinaryFormat/COFF.h"
12#include "llvm/BinaryFormat/ELF.h"
13#include "llvm/BinaryFormat/SFrame.h"
14#include "llvm/BinaryFormat/Wasm.h"
15#include "llvm/MC/MCAsmInfo.h"
16#include "llvm/MC/MCContext.h"
17#include "llvm/MC/MCGOFFAttributes.h"
18#include "llvm/MC/MCSection.h"
19#include "llvm/MC/MCSectionCOFF.h"
20#include "llvm/MC/MCSectionDXContainer.h"
21#include "llvm/MC/MCSectionELF.h"
22#include "llvm/MC/MCSectionGOFF.h"
23#include "llvm/MC/MCSectionMachO.h"
24#include "llvm/MC/MCSectionSPIRV.h"
25#include "llvm/MC/MCSectionWasm.h"
26#include "llvm/MC/MCSectionXCOFF.h"
27#include "llvm/TargetParser/Triple.h"
28
29using namespace llvm;
30
31static bool useCompactUnwind(const Triple &T) {
32 // Only on darwin.
33 if (!T.isOSDarwin())
34 return false;
35
36 // aarch64 always has it.
37 if (T.getArch() == Triple::aarch64 || T.getArch() == Triple::aarch64_32)
38 return true;
39
40 // armv7k always has it.
41 if (T.isWatchABI())
42 return true;
43
44 // Use it on newer version of OS X.
45 if (T.isMacOSX() && !T.isMacOSXVersionLT(10, 6))
46 return true;
47
48 // And the iOS simulator.
49 if (T.isiOS() && T.isX86())
50 return true;
51
52 // The rest of the simulators always have it.
53 if (T.isSimulatorEnvironment())
54 return true;
55
56 // XROS always has it.
57 if (T.isXROS())
58 return true;
59
60 return false;
61}
62
63void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) {
64 EHFrameSection = Ctx->getMachOSection(
65 "__TEXT", "__eh_frame",
66 MachO::S_COALESCED | MachO::S_ATTR_NO_TOC |
67 MachO::S_ATTR_STRIP_STATIC_SYMS | MachO::S_ATTR_LIVE_SUPPORT,
68 SectionKind::getReadOnly());
69
70 if (T.isOSDarwin() &&
71 (T.getArch() == Triple::aarch64 || T.getArch() == Triple::aarch64_32 ||
72 T.isSimulatorEnvironment()))
73 SupportsCompactUnwindWithoutEHFrame = true;
74
75 switch (Ctx->emitDwarfUnwindInfo()) {
76 case EmitDwarfUnwindType::Always:
77 OmitDwarfIfHaveCompactUnwind = false;
78 break;
79 case EmitDwarfUnwindType::NoCompactUnwind:
80 OmitDwarfIfHaveCompactUnwind = true;
81 break;
82 case EmitDwarfUnwindType::Default:
83 OmitDwarfIfHaveCompactUnwind =
84 T.isWatchABI() || SupportsCompactUnwindWithoutEHFrame;
85 break;
86 }
87
88 FDECFIEncoding = dwarf::DW_EH_PE_pcrel;
89
90 TextSection // .text
91 = Ctx->getMachOSection("__TEXT", "__text",
92 MachO::S_ATTR_PURE_INSTRUCTIONS,
93 SectionKind::getText());
94 DataSection // .data
95 = Ctx->getMachOSection("__DATA", "__data", 0, SectionKind::getData());
96
97 // BSSSection might not be expected initialized on msvc.
98 BSSSection = nullptr;
99
100 TLSDataSection // .tdata
101 = Ctx->getMachOSection("__DATA", "__thread_data",
102 MachO::S_THREAD_LOCAL_REGULAR,
103 SectionKind::getData());
104 TLSBSSSection // .tbss
105 = Ctx->getMachOSection("__DATA", "__thread_bss",
106 MachO::S_THREAD_LOCAL_ZEROFILL,
107 SectionKind::getThreadBSS());
108
109 // TODO: Verify datarel below.
110 TLSTLVSection // .tlv
111 = Ctx->getMachOSection("__DATA", "__thread_vars",
112 MachO::S_THREAD_LOCAL_VARIABLES,
113 SectionKind::getData());
114
115 TLSThreadInitSection = Ctx->getMachOSection(
116 "__DATA", "__thread_init", MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS,
117 SectionKind::getData());
118
119 CStringSection // .cstring
120 = Ctx->getMachOSection("__TEXT", "__cstring",
121 MachO::S_CSTRING_LITERALS,
122 SectionKind::getMergeable1ByteCString());
123 UStringSection
124 = Ctx->getMachOSection("__TEXT","__ustring", 0,
125 SectionKind::getMergeable2ByteCString());
126 FourByteConstantSection // .literal4
127 = Ctx->getMachOSection("__TEXT", "__literal4",
128 MachO::S_4BYTE_LITERALS,
129 SectionKind::getMergeableConst4());
130 EightByteConstantSection // .literal8
131 = Ctx->getMachOSection("__TEXT", "__literal8",
132 MachO::S_8BYTE_LITERALS,
133 SectionKind::getMergeableConst8());
134
135 SixteenByteConstantSection // .literal16
136 = Ctx->getMachOSection("__TEXT", "__literal16",
137 MachO::S_16BYTE_LITERALS,
138 SectionKind::getMergeableConst16());
139
140 ReadOnlySection // .const
141 = Ctx->getMachOSection("__TEXT", "__const", 0,
142 SectionKind::getReadOnly());
143
144 // If the target is not powerpc, map the coal sections to the non-coal
145 // sections.
146 //
147 // "__TEXT/__textcoal_nt" => section "__TEXT/__text"
148 // "__TEXT/__const_coal" => section "__TEXT/__const"
149 // "__DATA/__datacoal_nt" => section "__DATA/__data"
150 Triple::ArchType ArchTy = T.getArch();
151
152 ConstDataSection // .const_data
153 = Ctx->getMachOSection("__DATA", "__const", 0,
154 SectionKind::getReadOnlyWithRel());
155
156 if (ArchTy == Triple::ppc || ArchTy == Triple::ppc64) {
157 TextCoalSection
158 = Ctx->getMachOSection("__TEXT", "__textcoal_nt",
159 MachO::S_COALESCED |
160 MachO::S_ATTR_PURE_INSTRUCTIONS,
161 SectionKind::getText());
162 ConstTextCoalSection
163 = Ctx->getMachOSection("__TEXT", "__const_coal",
164 MachO::S_COALESCED,
165 SectionKind::getReadOnly());
166 DataCoalSection = Ctx->getMachOSection(
167 "__DATA", "__datacoal_nt", MachO::S_COALESCED, SectionKind::getData());
168 ConstDataCoalSection = DataCoalSection;
169 } else {
170 TextCoalSection = TextSection;
171 ConstTextCoalSection = ReadOnlySection;
172 DataCoalSection = DataSection;
173 ConstDataCoalSection = ConstDataSection;
174 }
175
176 DataCommonSection
177 = Ctx->getMachOSection("__DATA","__common",
178 MachO::S_ZEROFILL,
179 SectionKind::getBSS());
180 DataBSSSection
181 = Ctx->getMachOSection("__DATA","__bss", MachO::S_ZEROFILL,
182 SectionKind::getBSS());
183
184
185 LazySymbolPointerSection
186 = Ctx->getMachOSection("__DATA", "__la_symbol_ptr",
187 MachO::S_LAZY_SYMBOL_POINTERS,
188 SectionKind::getMetadata());
189 NonLazySymbolPointerSection
190 = Ctx->getMachOSection("__DATA", "__nl_symbol_ptr",
191 MachO::S_NON_LAZY_SYMBOL_POINTERS,
192 SectionKind::getMetadata());
193
194 ThreadLocalPointerSection
195 = Ctx->getMachOSection("__DATA", "__thread_ptr",
196 MachO::S_THREAD_LOCAL_VARIABLE_POINTERS,
197 SectionKind::getMetadata());
198
199 AddrSigSection = Ctx->getMachOSection("__DATA", "__llvm_addrsig", 0,
200 SectionKind::getData());
201
202 // Exception Handling.
203 LSDASection = Ctx->getMachOSection("__TEXT", "__gcc_except_tab", 0,
204 SectionKind::getReadOnlyWithRel());
205
206 COFFDebugSymbolsSection = nullptr;
207 COFFDebugTypesSection = nullptr;
208 COFFGlobalTypeHashesSection = nullptr;
209
210 if (useCompactUnwind(T)) {
211 CompactUnwindSection =
212 Ctx->getMachOSection("__LD", "__compact_unwind", MachO::S_ATTR_DEBUG,
213 SectionKind::getReadOnly());
214
215 if (T.isX86())
216 CompactUnwindDwarfEHFrameOnly = 0x04000000; // UNWIND_X86_64_MODE_DWARF
217 else if (T.getArch() == Triple::aarch64 || T.getArch() == Triple::aarch64_32)
218 CompactUnwindDwarfEHFrameOnly = 0x03000000; // UNWIND_ARM64_MODE_DWARF
219 else if (T.getArch() == Triple::arm || T.getArch() == Triple::thumb)
220 CompactUnwindDwarfEHFrameOnly = 0x04000000; // UNWIND_ARM_MODE_DWARF
221 }
222
223 // Debug Information.
224 DwarfDebugNamesSection =
225 Ctx->getMachOSection("__DWARF", "__debug_names", MachO::S_ATTR_DEBUG,
226 SectionKind::getMetadata(), "debug_names_begin");
227 DwarfAccelNamesSection =
228 Ctx->getMachOSection("__DWARF", "__apple_names", MachO::S_ATTR_DEBUG,
229 SectionKind::getMetadata(), "names_begin");
230 DwarfAccelObjCSection =
231 Ctx->getMachOSection("__DWARF", "__apple_objc", MachO::S_ATTR_DEBUG,
232 SectionKind::getMetadata(), "objc_begin");
233 // 16 character section limit...
234 DwarfAccelNamespaceSection =
235 Ctx->getMachOSection("__DWARF", "__apple_namespac", MachO::S_ATTR_DEBUG,
236 SectionKind::getMetadata(), "namespac_begin");
237 DwarfAccelTypesSection =
238 Ctx->getMachOSection("__DWARF", "__apple_types", MachO::S_ATTR_DEBUG,
239 SectionKind::getMetadata(), "types_begin");
240
241 DwarfSwiftASTSection =
242 Ctx->getMachOSection("__DWARF", "__swift_ast", MachO::S_ATTR_DEBUG,
243 SectionKind::getMetadata());
244
245 DwarfAbbrevSection =
246 Ctx->getMachOSection("__DWARF", "__debug_abbrev", MachO::S_ATTR_DEBUG,
247 SectionKind::getMetadata(), "section_abbrev");
248 DwarfInfoSection =
249 Ctx->getMachOSection("__DWARF", "__debug_info", MachO::S_ATTR_DEBUG,
250 SectionKind::getMetadata(), "section_info");
251 DwarfLineSection =
252 Ctx->getMachOSection("__DWARF", "__debug_line", MachO::S_ATTR_DEBUG,
253 SectionKind::getMetadata(), "section_line");
254 DwarfLineStrSection =
255 Ctx->getMachOSection("__DWARF", "__debug_line_str", MachO::S_ATTR_DEBUG,
256 SectionKind::getMetadata(), "section_line_str");
257 DwarfFrameSection =
258 Ctx->getMachOSection("__DWARF", "__debug_frame", MachO::S_ATTR_DEBUG,
259 SectionKind::getMetadata(), "section_frame");
260 DwarfPubNamesSection =
261 Ctx->getMachOSection("__DWARF", "__debug_pubnames", MachO::S_ATTR_DEBUG,
262 SectionKind::getMetadata());
263 DwarfPubTypesSection =
264 Ctx->getMachOSection("__DWARF", "__debug_pubtypes", MachO::S_ATTR_DEBUG,
265 SectionKind::getMetadata());
266 DwarfGnuPubNamesSection =
267 Ctx->getMachOSection("__DWARF", "__debug_gnu_pubn", MachO::S_ATTR_DEBUG,
268 SectionKind::getMetadata());
269 DwarfGnuPubTypesSection =
270 Ctx->getMachOSection("__DWARF", "__debug_gnu_pubt", MachO::S_ATTR_DEBUG,
271 SectionKind::getMetadata());
272 DwarfStrSection =
273 Ctx->getMachOSection("__DWARF", "__debug_str", MachO::S_ATTR_DEBUG,
274 SectionKind::getMetadata(), "info_string");
275 DwarfStrOffSection =
276 Ctx->getMachOSection("__DWARF", "__debug_str_offs", MachO::S_ATTR_DEBUG,
277 SectionKind::getMetadata(), "section_str_off");
278 DwarfAddrSection =
279 Ctx->getMachOSection("__DWARF", "__debug_addr", MachO::S_ATTR_DEBUG,
280 SectionKind::getMetadata(), "section_info");
281 DwarfLocSection =
282 Ctx->getMachOSection("__DWARF", "__debug_loc", MachO::S_ATTR_DEBUG,
283 SectionKind::getMetadata(), "section_debug_loc");
284 DwarfLoclistsSection =
285 Ctx->getMachOSection("__DWARF", "__debug_loclists", MachO::S_ATTR_DEBUG,
286 SectionKind::getMetadata(), "section_debug_loc");
287
288 DwarfARangesSection =
289 Ctx->getMachOSection("__DWARF", "__debug_aranges", MachO::S_ATTR_DEBUG,
290 SectionKind::getMetadata());
291 DwarfRangesSection =
292 Ctx->getMachOSection("__DWARF", "__debug_ranges", MachO::S_ATTR_DEBUG,
293 SectionKind::getMetadata(), "debug_range");
294 DwarfRnglistsSection =
295 Ctx->getMachOSection("__DWARF", "__debug_rnglists", MachO::S_ATTR_DEBUG,
296 SectionKind::getMetadata(), "debug_range");
297 DwarfMacinfoSection =
298 Ctx->getMachOSection("__DWARF", "__debug_macinfo", MachO::S_ATTR_DEBUG,
299 SectionKind::getMetadata(), "debug_macinfo");
300 DwarfMacroSection =
301 Ctx->getMachOSection("__DWARF", "__debug_macro", MachO::S_ATTR_DEBUG,
302 SectionKind::getMetadata(), "debug_macro");
303 DwarfDebugInlineSection =
304 Ctx->getMachOSection("__DWARF", "__debug_inlined", MachO::S_ATTR_DEBUG,
305 SectionKind::getMetadata());
306 DwarfCUIndexSection =
307 Ctx->getMachOSection("__DWARF", "__debug_cu_index", MachO::S_ATTR_DEBUG,
308 SectionKind::getMetadata());
309 DwarfTUIndexSection =
310 Ctx->getMachOSection("__DWARF", "__debug_tu_index", MachO::S_ATTR_DEBUG,
311 SectionKind::getMetadata());
312 StackMapSection = Ctx->getMachOSection("__LLVM_STACKMAPS", "__llvm_stackmaps",
313 0, SectionKind::getMetadata());
314
315 FaultMapSection = Ctx->getMachOSection("__LLVM_FAULTMAPS", "__llvm_faultmaps",
316 0, SectionKind::getMetadata());
317
318 RemarksSection = Ctx->getMachOSection(
319 "__LLVM", "__remarks", MachO::S_ATTR_DEBUG, SectionKind::getMetadata());
320
321 // The architecture of dsymutil makes it very difficult to copy the Swift
322 // reflection metadata sections into the __TEXT segment, so dsymutil creates
323 // these sections in the __DWARF segment instead.
324 if (!Ctx->getSwift5ReflectionSegmentName().empty()) {
325#define HANDLE_SWIFT_SECTION(KIND, MACHO, ELF, COFF) \
326 Swift5ReflectionSections \
327 [llvm::binaryformat::Swift5ReflectionSectionKind::KIND] = \
328 Ctx->getMachOSection(Ctx->getSwift5ReflectionSegmentName().data(), \
329 MACHO, 0, SectionKind::getMetadata());
330#include "llvm/BinaryFormat/Swift.def"
331 }
332
333 TLSExtraDataSection = TLSTLVSection;
334}
335
336void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T, bool Large) {
337 switch (T.getArch()) {
338 case Triple::mips:
339 case Triple::mipsel:
340 case Triple::mips64:
341 case Triple::mips64el:
342 // We cannot use DW_EH_PE_sdata8 for the large PositionIndependent case
343 // since there is no R_MIPS_PC64 relocation (only a 32-bit version).
344 // In fact DW_EH_PE_sdata4 is enough for us now, and GNU ld doesn't
345 // support pcrel|sdata8 well. Let's use sdata4 for now.
346 if (PositionIndependent)
347 FDECFIEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
348 else
349 FDECFIEncoding = Ctx->getAsmInfo()->getCodePointerSize() == 4
350 ? dwarf::DW_EH_PE_sdata4
351 : dwarf::DW_EH_PE_sdata8;
352 break;
353 case Triple::ppc64:
354 case Triple::ppc64le:
355 case Triple::aarch64:
356 case Triple::aarch64_be:
357 case Triple::x86_64:
358 FDECFIEncoding = dwarf::DW_EH_PE_pcrel |
359 (Large ? dwarf::DW_EH_PE_sdata8 : dwarf::DW_EH_PE_sdata4);
360 break;
361 case Triple::bpfel:
362 case Triple::bpfeb:
363 FDECFIEncoding = dwarf::DW_EH_PE_sdata8;
364 break;
365 case Triple::hexagon:
366 FDECFIEncoding =
367 PositionIndependent ? dwarf::DW_EH_PE_pcrel : dwarf::DW_EH_PE_absptr;
368 break;
369 case Triple::xtensa:
370 FDECFIEncoding = dwarf::DW_EH_PE_sdata4;
371 break;
372 default:
373 FDECFIEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
374 break;
375 }
376
377 unsigned EHSectionType = T.getArch() == Triple::x86_64
378 ? ELF::SHT_X86_64_UNWIND
379 : ELF::SHT_PROGBITS;
380 switch (T.getArch()) {
381 case Triple::x86_64:
382 SFrameABIArch = sframe::ABI::AMD64EndianLittle;
383 break;
384 case Triple::aarch64:
385 SFrameABIArch = sframe::ABI::AArch64EndianLittle;
386 break;
387 case Triple::aarch64_be:
388 SFrameABIArch = sframe::ABI::AArch64EndianBig;
389 break;
390 default:
391 break;
392 }
393
394 // Solaris requires different flags for .eh_frame to seemingly every other
395 // platform.
396 unsigned EHSectionFlags = ELF::SHF_ALLOC;
397 if (T.isOSSolaris() && T.getArch() != Triple::x86_64)
398 EHSectionFlags |= ELF::SHF_WRITE;
399
400 // ELF
401 BSSSection = Ctx->getELFSection(".bss", ELF::SHT_NOBITS,
402 ELF::SHF_WRITE | ELF::SHF_ALLOC);
403
404 TextSection = Ctx->getELFSection(".text", ELF::SHT_PROGBITS,
405 ELF::SHF_EXECINSTR | ELF::SHF_ALLOC);
406
407 DataSection = Ctx->getELFSection(".data", ELF::SHT_PROGBITS,
408 ELF::SHF_WRITE | ELF::SHF_ALLOC);
409
410 ReadOnlySection =
411 Ctx->getELFSection(".rodata", ELF::SHT_PROGBITS, ELF::SHF_ALLOC);
412
413 TLSDataSection =
414 Ctx->getELFSection(".tdata", ELF::SHT_PROGBITS,
415 ELF::SHF_ALLOC | ELF::SHF_TLS | ELF::SHF_WRITE);
416
417 TLSBSSSection = Ctx->getELFSection(
418 ".tbss", ELF::SHT_NOBITS, ELF::SHF_ALLOC | ELF::SHF_TLS | ELF::SHF_WRITE);
419
420 DataRelROSection = Ctx->getELFSection(".data.rel.ro", ELF::SHT_PROGBITS,
421 ELF::SHF_ALLOC | ELF::SHF_WRITE);
422
423 MergeableConst4Section =
424 Ctx->getELFSection(".rodata.cst4", ELF::SHT_PROGBITS,
425 ELF::SHF_ALLOC | ELF::SHF_MERGE, 4);
426
427 MergeableConst8Section =
428 Ctx->getELFSection(".rodata.cst8", ELF::SHT_PROGBITS,
429 ELF::SHF_ALLOC | ELF::SHF_MERGE, 8);
430
431 MergeableConst16Section =
432 Ctx->getELFSection(".rodata.cst16", ELF::SHT_PROGBITS,
433 ELF::SHF_ALLOC | ELF::SHF_MERGE, 16);
434
435 MergeableConst32Section =
436 Ctx->getELFSection(".rodata.cst32", ELF::SHT_PROGBITS,
437 ELF::SHF_ALLOC | ELF::SHF_MERGE, 32);
438
439 // Exception Handling Sections.
440
441 // FIXME: We're emitting LSDA info into a readonly section on ELF, even though
442 // it contains relocatable pointers. In PIC mode, this is probably a big
443 // runtime hit for C++ apps. Either the contents of the LSDA need to be
444 // adjusted or this should be a data section.
445 LSDASection = Ctx->getELFSection(".gcc_except_table", ELF::SHT_PROGBITS,
446 ELF::SHF_ALLOC);
447
448 COFFDebugSymbolsSection = nullptr;
449 COFFDebugTypesSection = nullptr;
450
451 unsigned DebugSecType = ELF::SHT_PROGBITS;
452
453 // MIPS .debug_* sections should have SHT_MIPS_DWARF section type
454 // to distinguish among sections contain DWARF and ECOFF debug formats.
455 // Sections with ECOFF debug format are obsoleted and marked by SHT_PROGBITS.
456 if (T.isMIPS())
457 DebugSecType = ELF::SHT_MIPS_DWARF;
458
459 // Debug Info Sections.
460 DwarfAbbrevSection =
461 Ctx->getELFSection(".debug_abbrev", DebugSecType, 0);
462 DwarfInfoSection = Ctx->getELFSection(".debug_info", DebugSecType, 0);
463 DwarfLineSection = Ctx->getELFSection(".debug_line", DebugSecType, 0);
464 DwarfLineStrSection =
465 Ctx->getELFSection(".debug_line_str", DebugSecType,
466 ELF::SHF_MERGE | ELF::SHF_STRINGS, 1);
467 DwarfFrameSection = Ctx->getELFSection(".debug_frame", DebugSecType, 0);
468 DwarfPubNamesSection =
469 Ctx->getELFSection(".debug_pubnames", DebugSecType, 0);
470 DwarfPubTypesSection =
471 Ctx->getELFSection(".debug_pubtypes", DebugSecType, 0);
472 DwarfGnuPubNamesSection =
473 Ctx->getELFSection(".debug_gnu_pubnames", DebugSecType, 0);
474 DwarfGnuPubTypesSection =
475 Ctx->getELFSection(".debug_gnu_pubtypes", DebugSecType, 0);
476 DwarfStrSection =
477 Ctx->getELFSection(".debug_str", DebugSecType,
478 ELF::SHF_MERGE | ELF::SHF_STRINGS, 1);
479 DwarfLocSection = Ctx->getELFSection(".debug_loc", DebugSecType, 0);
480 DwarfARangesSection =
481 Ctx->getELFSection(".debug_aranges", DebugSecType, 0);
482 DwarfRangesSection =
483 Ctx->getELFSection(".debug_ranges", DebugSecType, 0);
484 DwarfMacinfoSection =
485 Ctx->getELFSection(".debug_macinfo", DebugSecType, 0);
486 DwarfMacroSection = Ctx->getELFSection(".debug_macro", DebugSecType, 0);
487
488 // DWARF5 Experimental Debug Info
489
490 // Accelerator Tables
491 DwarfDebugNamesSection =
492 Ctx->getELFSection(".debug_names", ELF::SHT_PROGBITS, 0);
493 DwarfAccelNamesSection =
494 Ctx->getELFSection(".apple_names", ELF::SHT_PROGBITS, 0);
495 DwarfAccelObjCSection =
496 Ctx->getELFSection(".apple_objc", ELF::SHT_PROGBITS, 0);
497 DwarfAccelNamespaceSection =
498 Ctx->getELFSection(".apple_namespaces", ELF::SHT_PROGBITS, 0);
499 DwarfAccelTypesSection =
500 Ctx->getELFSection(".apple_types", ELF::SHT_PROGBITS, 0);
501
502 // String Offset and Address Sections
503 DwarfStrOffSection =
504 Ctx->getELFSection(".debug_str_offsets", DebugSecType, 0);
505 DwarfAddrSection = Ctx->getELFSection(".debug_addr", DebugSecType, 0);
506 DwarfRnglistsSection = Ctx->getELFSection(".debug_rnglists", DebugSecType, 0);
507 DwarfLoclistsSection = Ctx->getELFSection(".debug_loclists", DebugSecType, 0);
508
509 // Fission Sections
510 DwarfInfoDWOSection =
511 Ctx->getELFSection(".debug_info.dwo", DebugSecType, ELF::SHF_EXCLUDE);
512 DwarfTypesDWOSection =
513 Ctx->getELFSection(".debug_types.dwo", DebugSecType, ELF::SHF_EXCLUDE);
514 DwarfAbbrevDWOSection =
515 Ctx->getELFSection(".debug_abbrev.dwo", DebugSecType, ELF::SHF_EXCLUDE);
516 DwarfStrDWOSection = Ctx->getELFSection(
517 ".debug_str.dwo", DebugSecType,
518 ELF::SHF_MERGE | ELF::SHF_STRINGS | ELF::SHF_EXCLUDE, 1);
519 DwarfLineDWOSection =
520 Ctx->getELFSection(".debug_line.dwo", DebugSecType, ELF::SHF_EXCLUDE);
521 DwarfLocDWOSection =
522 Ctx->getELFSection(".debug_loc.dwo", DebugSecType, ELF::SHF_EXCLUDE);
523 DwarfStrOffDWOSection = Ctx->getELFSection(".debug_str_offsets.dwo",
524 DebugSecType, ELF::SHF_EXCLUDE);
525 DwarfRnglistsDWOSection =
526 Ctx->getELFSection(".debug_rnglists.dwo", DebugSecType, ELF::SHF_EXCLUDE);
527 DwarfMacinfoDWOSection =
528 Ctx->getELFSection(".debug_macinfo.dwo", DebugSecType, ELF::SHF_EXCLUDE);
529 DwarfMacroDWOSection =
530 Ctx->getELFSection(".debug_macro.dwo", DebugSecType, ELF::SHF_EXCLUDE);
531
532 DwarfLoclistsDWOSection =
533 Ctx->getELFSection(".debug_loclists.dwo", DebugSecType, ELF::SHF_EXCLUDE);
534
535 // DWP Sections
536 DwarfCUIndexSection =
537 Ctx->getELFSection(".debug_cu_index", DebugSecType, 0);
538 DwarfTUIndexSection =
539 Ctx->getELFSection(".debug_tu_index", DebugSecType, 0);
540
541 StackMapSection =
542 Ctx->getELFSection(".llvm_stackmaps", ELF::SHT_PROGBITS, ELF::SHF_ALLOC);
543
544 FaultMapSection =
545 Ctx->getELFSection(".llvm_faultmaps", ELF::SHT_PROGBITS, ELF::SHF_ALLOC);
546
547 EHFrameSection =
548 Ctx->getELFSection(".eh_frame", EHSectionType, EHSectionFlags);
549
550 SFrameSection =
551 Ctx->getELFSection(".sframe", ELF::SHT_GNU_SFRAME, ELF::SHF_ALLOC);
552
553 CallGraphSection =
554 Ctx->getELFSection(".llvm.callgraph", ELF::SHT_LLVM_CALL_GRAPH, 0);
555
556 StackSizesSection = Ctx->getELFSection(".stack_sizes", ELF::SHT_PROGBITS, 0);
557
558 PseudoProbeSection = Ctx->getELFSection(".pseudo_probe", DebugSecType, 0);
559 PseudoProbeDescSection =
560 Ctx->getELFSection(".pseudo_probe_desc", DebugSecType, 0);
561
562 LLVMStatsSection = Ctx->getELFSection(".llvm_stats", ELF::SHT_PROGBITS, 0);
563}
564
565void MCObjectFileInfo::initGOFFMCObjectFileInfo(const Triple &T) {
566 MCSectionGOFF *RootSDSection = Ctx->getGOFFSection(
567 SectionKind::getMetadata(), "#C",
568 GOFF::SDAttr{GOFF::ESD_TA_Rent, GOFF::ESD_BSC_Section});
569
570 MCSectionGOFF *ADAEDSection = Ctx->getGOFFSection(
571 SectionKind::getMetadata(), GOFF::CLASS_WSA,
572 GOFF::EDAttr{false, GOFF::ESD_RMODE_64, GOFF::ESD_NS_Parts,
573 GOFF::ESD_TS_ByteOriented, GOFF::ESD_BA_Merge,
574 GOFF::ESD_LB_Deferred, GOFF::ESD_RQ_1,
575 GOFF::ESD_ALIGN_Quadword, 0},
576 RootSDSection);
577 ADASection = Ctx->getGOFFSection(SectionKind::getData(), "#S",
578 GOFF::PRAttr{false, GOFF::ESD_EXE_DATA,
579 GOFF::ESD_LT_XPLink,
580 GOFF::ESD_BSC_Section, 0},
581 ADAEDSection);
582
583 TextSection = Ctx->getGOFFSection(
584 SectionKind::getText(), GOFF::CLASS_CODE,
585 GOFF::EDAttr{true, GOFF::ESD_RMODE_64, GOFF::ESD_NS_NormalName,
586 GOFF::ESD_TS_ByteOriented, GOFF::ESD_BA_Concatenate,
587 GOFF::ESD_LB_Initial, GOFF::ESD_RQ_0,
588 GOFF::ESD_ALIGN_Doubleword, 0},
589 RootSDSection);
590
591 MCSectionGOFF *PPA2ListEDSection = Ctx->getGOFFSection(
592 SectionKind::getMetadata(), GOFF::CLASS_PPA2,
593 GOFF::EDAttr{true, GOFF::ESD_RMODE_64, GOFF::ESD_NS_Parts,
594 GOFF::ESD_TS_ByteOriented, GOFF::ESD_BA_Merge,
595 GOFF::ESD_LB_Initial, GOFF::ESD_RQ_0,
596 GOFF::ESD_ALIGN_Doubleword, 0},
597 RootSDSection);
598 PPA2ListSection = Ctx->getGOFFSection(SectionKind::getData(), ".&ppa2",
599 GOFF::PRAttr{true, GOFF::ESD_EXE_DATA,
600 GOFF::ESD_LT_OS,
601 GOFF::ESD_BSC_Section, 0},
602 PPA2ListEDSection);
603
604 IDRLSection = Ctx->getGOFFSection(
605 SectionKind::getData(), "B_IDRL",
606 GOFF::EDAttr{true, GOFF::ESD_RMODE_64, GOFF::ESD_NS_NormalName,
607 GOFF::ESD_TS_Structured, GOFF::ESD_BA_Concatenate,
608 GOFF::ESD_LB_NoLoad, GOFF::ESD_RQ_0,
609 GOFF::ESD_ALIGN_Doubleword, 0},
610 RootSDSection);
611}
612
613void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) {
614 EHFrameSection =
615 Ctx->getCOFFSection(".eh_frame", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
616 COFF::IMAGE_SCN_MEM_READ);
617
618 // Set the `IMAGE_SCN_MEM_16BIT` flag when compiling for thumb mode. This is
619 // used to indicate to the linker that the text segment contains thumb instructions
620 // and to set the ISA selection bit for calls accordingly.
621 const bool IsThumb = T.getArch() == Triple::thumb;
622
623 // COFF
624 BSSSection = Ctx->getCOFFSection(
625 ".bss", COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA |
626 COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_MEM_WRITE);
627 TextSection = Ctx->getCOFFSection(
628 ".text",
629 (IsThumb ? COFF::IMAGE_SCN_MEM_16BIT : (COFF::SectionCharacteristics)0) |
630 COFF::IMAGE_SCN_CNT_CODE | COFF::IMAGE_SCN_MEM_EXECUTE |
631 COFF::IMAGE_SCN_MEM_READ);
632 DataSection = Ctx->getCOFFSection(
633 ".data", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ |
634 COFF::IMAGE_SCN_MEM_WRITE);
635 ReadOnlySection =
636 Ctx->getCOFFSection(".rdata", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
637 COFF::IMAGE_SCN_MEM_READ);
638
639 if (T.getArch() == Triple::x86_64 || T.getArch() == Triple::aarch64 ||
640 T.getArch() == Triple::arm || T.getArch() == Triple::thumb) {
641 // On Windows with SEH, the LSDA is emitted into the .xdata section
642 LSDASection = nullptr;
643 } else {
644 LSDASection = Ctx->getCOFFSection(".gcc_except_table",
645 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
646 COFF::IMAGE_SCN_MEM_READ);
647 }
648
649 if (T.getArch() == Triple::aarch64) {
650 ImportCallSection =
651 Ctx->getCOFFSection(".impcall", COFF::IMAGE_SCN_LNK_INFO);
652 } else if (T.getArch() == Triple::x86_64) {
653 // Import Call Optimization on x64 leverages the same metadata as the
654 // retpoline mitigation, hence the unusual section name.
655 ImportCallSection =
656 Ctx->getCOFFSection(".retplne", COFF::IMAGE_SCN_LNK_INFO);
657 }
658
659 // Debug info.
660 COFFDebugSymbolsSection =
661 Ctx->getCOFFSection(".debug$S", (COFF::IMAGE_SCN_MEM_DISCARDABLE |
662 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
663 COFF::IMAGE_SCN_MEM_READ));
664 COFFDebugTypesSection =
665 Ctx->getCOFFSection(".debug$T", (COFF::IMAGE_SCN_MEM_DISCARDABLE |
666 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
667 COFF::IMAGE_SCN_MEM_READ));
668 COFFGlobalTypeHashesSection =
669 Ctx->getCOFFSection(".debug$H", (COFF::IMAGE_SCN_MEM_DISCARDABLE |
670 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
671 COFF::IMAGE_SCN_MEM_READ));
672
673 DwarfAbbrevSection = Ctx->getCOFFSection(
674 ".debug_abbrev", COFF::IMAGE_SCN_MEM_DISCARDABLE |
675 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
676 COFF::IMAGE_SCN_MEM_READ);
677 DwarfInfoSection = Ctx->getCOFFSection(
678 ".debug_info", COFF::IMAGE_SCN_MEM_DISCARDABLE |
679 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
680 COFF::IMAGE_SCN_MEM_READ);
681 DwarfLineSection = Ctx->getCOFFSection(
682 ".debug_line", COFF::IMAGE_SCN_MEM_DISCARDABLE |
683 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
684 COFF::IMAGE_SCN_MEM_READ);
685 DwarfLineStrSection = Ctx->getCOFFSection(
686 ".debug_line_str", COFF::IMAGE_SCN_MEM_DISCARDABLE |
687 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
688 COFF::IMAGE_SCN_MEM_READ);
689 DwarfFrameSection = Ctx->getCOFFSection(
690 ".debug_frame", COFF::IMAGE_SCN_MEM_DISCARDABLE |
691 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
692 COFF::IMAGE_SCN_MEM_READ);
693 DwarfPubNamesSection = Ctx->getCOFFSection(
694 ".debug_pubnames", COFF::IMAGE_SCN_MEM_DISCARDABLE |
695 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
696 COFF::IMAGE_SCN_MEM_READ);
697 DwarfPubTypesSection = Ctx->getCOFFSection(
698 ".debug_pubtypes", COFF::IMAGE_SCN_MEM_DISCARDABLE |
699 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
700 COFF::IMAGE_SCN_MEM_READ);
701 DwarfGnuPubNamesSection = Ctx->getCOFFSection(
702 ".debug_gnu_pubnames", COFF::IMAGE_SCN_MEM_DISCARDABLE |
703 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
704 COFF::IMAGE_SCN_MEM_READ);
705 DwarfGnuPubTypesSection = Ctx->getCOFFSection(
706 ".debug_gnu_pubtypes", COFF::IMAGE_SCN_MEM_DISCARDABLE |
707 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
708 COFF::IMAGE_SCN_MEM_READ);
709 DwarfStrSection = Ctx->getCOFFSection(
710 ".debug_str", COFF::IMAGE_SCN_MEM_DISCARDABLE |
711 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
712 COFF::IMAGE_SCN_MEM_READ);
713 DwarfStrOffSection = Ctx->getCOFFSection(
714 ".debug_str_offsets", COFF::IMAGE_SCN_MEM_DISCARDABLE |
715 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
716 COFF::IMAGE_SCN_MEM_READ);
717 DwarfLocSection = Ctx->getCOFFSection(
718 ".debug_loc", COFF::IMAGE_SCN_MEM_DISCARDABLE |
719 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
720 COFF::IMAGE_SCN_MEM_READ);
721 DwarfLoclistsSection = Ctx->getCOFFSection(
722 ".debug_loclists", COFF::IMAGE_SCN_MEM_DISCARDABLE |
723 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
724 COFF::IMAGE_SCN_MEM_READ);
725 DwarfARangesSection = Ctx->getCOFFSection(
726 ".debug_aranges", COFF::IMAGE_SCN_MEM_DISCARDABLE |
727 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
728 COFF::IMAGE_SCN_MEM_READ);
729 DwarfRangesSection = Ctx->getCOFFSection(
730 ".debug_ranges", COFF::IMAGE_SCN_MEM_DISCARDABLE |
731 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
732 COFF::IMAGE_SCN_MEM_READ);
733 DwarfRnglistsSection = Ctx->getCOFFSection(
734 ".debug_rnglists", COFF::IMAGE_SCN_MEM_DISCARDABLE |
735 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
736 COFF::IMAGE_SCN_MEM_READ);
737 DwarfMacinfoSection = Ctx->getCOFFSection(
738 ".debug_macinfo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
739 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
740 COFF::IMAGE_SCN_MEM_READ);
741 DwarfMacroSection = Ctx->getCOFFSection(
742 ".debug_macro", COFF::IMAGE_SCN_MEM_DISCARDABLE |
743 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
744 COFF::IMAGE_SCN_MEM_READ);
745 DwarfMacinfoDWOSection = Ctx->getCOFFSection(
746 ".debug_macinfo.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
747 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
748 COFF::IMAGE_SCN_MEM_READ);
749 DwarfMacroDWOSection = Ctx->getCOFFSection(
750 ".debug_macro.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
751 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
752 COFF::IMAGE_SCN_MEM_READ);
753 DwarfInfoDWOSection = Ctx->getCOFFSection(
754 ".debug_info.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
755 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
756 COFF::IMAGE_SCN_MEM_READ);
757 DwarfTypesDWOSection = Ctx->getCOFFSection(
758 ".debug_types.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
759 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
760 COFF::IMAGE_SCN_MEM_READ);
761 DwarfAbbrevDWOSection = Ctx->getCOFFSection(
762 ".debug_abbrev.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
763 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
764 COFF::IMAGE_SCN_MEM_READ);
765 DwarfStrDWOSection = Ctx->getCOFFSection(
766 ".debug_str.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
767 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
768 COFF::IMAGE_SCN_MEM_READ);
769 DwarfLineDWOSection = Ctx->getCOFFSection(
770 ".debug_line.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
771 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
772 COFF::IMAGE_SCN_MEM_READ);
773 DwarfLocDWOSection = Ctx->getCOFFSection(
774 ".debug_loc.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
775 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
776 COFF::IMAGE_SCN_MEM_READ);
777 DwarfLoclistsDWOSection = Ctx->getCOFFSection(
778 ".debug_loclists.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
779 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
780 COFF::IMAGE_SCN_MEM_READ);
781 DwarfStrOffDWOSection = Ctx->getCOFFSection(
782 ".debug_str_offsets.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
783 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
784 COFF::IMAGE_SCN_MEM_READ);
785 DwarfRnglistsDWOSection = Ctx->getCOFFSection(
786 ".debug_rnglists.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
787 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
788 COFF::IMAGE_SCN_MEM_READ);
789 DwarfAddrSection = Ctx->getCOFFSection(
790 ".debug_addr", COFF::IMAGE_SCN_MEM_DISCARDABLE |
791 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
792 COFF::IMAGE_SCN_MEM_READ);
793 DwarfCUIndexSection = Ctx->getCOFFSection(
794 ".debug_cu_index", COFF::IMAGE_SCN_MEM_DISCARDABLE |
795 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
796 COFF::IMAGE_SCN_MEM_READ);
797 DwarfTUIndexSection = Ctx->getCOFFSection(
798 ".debug_tu_index", COFF::IMAGE_SCN_MEM_DISCARDABLE |
799 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
800 COFF::IMAGE_SCN_MEM_READ);
801 DwarfDebugNamesSection = Ctx->getCOFFSection(
802 ".debug_names", COFF::IMAGE_SCN_MEM_DISCARDABLE |
803 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
804 COFF::IMAGE_SCN_MEM_READ);
805 DwarfAccelNamesSection = Ctx->getCOFFSection(
806 ".apple_names", COFF::IMAGE_SCN_MEM_DISCARDABLE |
807 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
808 COFF::IMAGE_SCN_MEM_READ);
809 DwarfAccelNamespaceSection = Ctx->getCOFFSection(
810 ".apple_namespaces", COFF::IMAGE_SCN_MEM_DISCARDABLE |
811 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
812 COFF::IMAGE_SCN_MEM_READ);
813 DwarfAccelTypesSection = Ctx->getCOFFSection(
814 ".apple_types", COFF::IMAGE_SCN_MEM_DISCARDABLE |
815 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
816 COFF::IMAGE_SCN_MEM_READ);
817 DwarfAccelObjCSection = Ctx->getCOFFSection(
818 ".apple_objc", COFF::IMAGE_SCN_MEM_DISCARDABLE |
819 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
820 COFF::IMAGE_SCN_MEM_READ);
821
822 DrectveSection = Ctx->getCOFFSection(
823 ".drectve", COFF::IMAGE_SCN_LNK_INFO | COFF::IMAGE_SCN_LNK_REMOVE);
824
825 PDataSection =
826 Ctx->getCOFFSection(".pdata", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
827 COFF::IMAGE_SCN_MEM_READ);
828
829 XDataSection =
830 Ctx->getCOFFSection(".xdata", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
831 COFF::IMAGE_SCN_MEM_READ);
832
833 SXDataSection = Ctx->getCOFFSection(".sxdata", COFF::IMAGE_SCN_LNK_INFO);
834
835 GEHContSection =
836 Ctx->getCOFFSection(".gehcont$y", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
837 COFF::IMAGE_SCN_MEM_READ);
838
839 GFIDsSection =
840 Ctx->getCOFFSection(".gfids$y", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
841 COFF::IMAGE_SCN_MEM_READ);
842
843 GIATsSection =
844 Ctx->getCOFFSection(".giats$y", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
845 COFF::IMAGE_SCN_MEM_READ);
846
847 GLJMPSection =
848 Ctx->getCOFFSection(".gljmp$y", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
849 COFF::IMAGE_SCN_MEM_READ);
850
851 TLSDataSection = Ctx->getCOFFSection(
852 ".tls$", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ |
853 COFF::IMAGE_SCN_MEM_WRITE);
854
855 StackMapSection = Ctx->getCOFFSection(".llvm_stackmaps",
856 COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
857 COFF::IMAGE_SCN_MEM_READ);
858
859 // Set IMAGE_SCN_MEM_DISCARDABLE so that lld will not truncate section name.
860 PseudoProbeSection = Ctx->getCOFFSection(
861 ".pseudo_probe", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
862 COFF::IMAGE_SCN_MEM_DISCARDABLE |
863 COFF::IMAGE_SCN_MEM_READ);
864 PseudoProbeDescSection = Ctx->getCOFFSection(
865 ".pseudo_probe_desc", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
866 COFF::IMAGE_SCN_MEM_DISCARDABLE |
867 COFF::IMAGE_SCN_MEM_READ);
868}
869
870void MCObjectFileInfo::initSPIRVMCObjectFileInfo(const Triple &T) {
871 // Put everything in a single binary section.
872 TextSection = Ctx->getSPIRVSection();
873}
874
875void MCObjectFileInfo::initWasmMCObjectFileInfo(const Triple &T) {
876 TextSection = Ctx->getWasmSection(".text", SectionKind::getText());
877 DataSection = Ctx->getWasmSection(".data", SectionKind::getData());
878
879 DwarfLineSection =
880 Ctx->getWasmSection(".debug_line", SectionKind::getMetadata());
881 DwarfLineStrSection =
882 Ctx->getWasmSection(".debug_line_str", SectionKind::getMetadata(),
883 wasm::WASM_SEG_FLAG_STRINGS);
884 DwarfStrSection = Ctx->getWasmSection(
885 ".debug_str", SectionKind::getMetadata(), wasm::WASM_SEG_FLAG_STRINGS);
886 DwarfLocSection =
887 Ctx->getWasmSection(".debug_loc", SectionKind::getMetadata());
888 DwarfAbbrevSection =
889 Ctx->getWasmSection(".debug_abbrev", SectionKind::getMetadata());
890 DwarfARangesSection = Ctx->getWasmSection(".debug_aranges", SectionKind::getMetadata());
891 DwarfRangesSection =
892 Ctx->getWasmSection(".debug_ranges", SectionKind::getMetadata());
893 DwarfMacinfoSection =
894 Ctx->getWasmSection(".debug_macinfo", SectionKind::getMetadata());
895 DwarfMacroSection =
896 Ctx->getWasmSection(".debug_macro", SectionKind::getMetadata());
897 DwarfCUIndexSection = Ctx->getWasmSection(".debug_cu_index", SectionKind::getMetadata());
898 DwarfTUIndexSection = Ctx->getWasmSection(".debug_tu_index", SectionKind::getMetadata());
899 DwarfInfoSection =
900 Ctx->getWasmSection(".debug_info", SectionKind::getMetadata());
901 DwarfFrameSection = Ctx->getWasmSection(".debug_frame", SectionKind::getMetadata());
902 DwarfPubNamesSection = Ctx->getWasmSection(".debug_pubnames", SectionKind::getMetadata());
903 DwarfPubTypesSection = Ctx->getWasmSection(".debug_pubtypes", SectionKind::getMetadata());
904 DwarfGnuPubNamesSection =
905 Ctx->getWasmSection(".debug_gnu_pubnames", SectionKind::getMetadata());
906 DwarfGnuPubTypesSection =
907 Ctx->getWasmSection(".debug_gnu_pubtypes", SectionKind::getMetadata());
908
909 DwarfDebugNamesSection =
910 Ctx->getWasmSection(".debug_names", SectionKind::getMetadata());
911 DwarfStrOffSection =
912 Ctx->getWasmSection(".debug_str_offsets", SectionKind::getMetadata());
913 DwarfAddrSection =
914 Ctx->getWasmSection(".debug_addr", SectionKind::getMetadata());
915 DwarfRnglistsSection =
916 Ctx->getWasmSection(".debug_rnglists", SectionKind::getMetadata());
917 DwarfLoclistsSection =
918 Ctx->getWasmSection(".debug_loclists", SectionKind::getMetadata());
919
920 // Fission Sections
921 DwarfInfoDWOSection =
922 Ctx->getWasmSection(".debug_info.dwo", SectionKind::getMetadata());
923 DwarfTypesDWOSection =
924 Ctx->getWasmSection(".debug_types.dwo", SectionKind::getMetadata());
925 DwarfAbbrevDWOSection =
926 Ctx->getWasmSection(".debug_abbrev.dwo", SectionKind::getMetadata());
927 DwarfStrDWOSection =
928 Ctx->getWasmSection(".debug_str.dwo", SectionKind::getMetadata(),
929 wasm::WASM_SEG_FLAG_STRINGS);
930 DwarfLineDWOSection =
931 Ctx->getWasmSection(".debug_line.dwo", SectionKind::getMetadata());
932 DwarfLocDWOSection =
933 Ctx->getWasmSection(".debug_loc.dwo", SectionKind::getMetadata());
934 DwarfStrOffDWOSection =
935 Ctx->getWasmSection(".debug_str_offsets.dwo", SectionKind::getMetadata());
936 DwarfRnglistsDWOSection =
937 Ctx->getWasmSection(".debug_rnglists.dwo", SectionKind::getMetadata());
938 DwarfMacinfoDWOSection =
939 Ctx->getWasmSection(".debug_macinfo.dwo", SectionKind::getMetadata());
940 DwarfMacroDWOSection =
941 Ctx->getWasmSection(".debug_macro.dwo", SectionKind::getMetadata());
942
943 DwarfLoclistsDWOSection =
944 Ctx->getWasmSection(".debug_loclists.dwo", SectionKind::getMetadata());
945
946 // DWP Sections
947 DwarfCUIndexSection =
948 Ctx->getWasmSection(".debug_cu_index", SectionKind::getMetadata());
949 DwarfTUIndexSection =
950 Ctx->getWasmSection(".debug_tu_index", SectionKind::getMetadata());
951
952 // Wasm use data section for LSDA.
953 // TODO Consider putting each function's exception table in a separate
954 // section, as in -function-sections, to facilitate lld's --gc-section.
955 LSDASection = Ctx->getWasmSection(".rodata.gcc_except_table",
956 SectionKind::getReadOnlyWithRel());
957
958 // TODO: Define more sections.
959}
960
961void MCObjectFileInfo::initXCOFFMCObjectFileInfo(const Triple &T) {
962 // The default csect for program code. Functions without a specified section
963 // get placed into this csect. The choice of csect name is not a property of
964 // the ABI or object file format, but various tools rely on the section
965 // name being empty (considering named symbols to be "user symbol names").
966 TextSection = Ctx->getXCOFFSection(
967 "..text..", // Use a non-null name to work around an AIX assembler bug...
968 SectionKind::getText(),
969 XCOFF::CsectProperties(XCOFF::StorageMappingClass::XMC_PR, XCOFF::XTY_SD),
970 /* MultiSymbolsAllowed*/ true);
971
972 // ... but use a null name when generating the symbol table.
973 MCSectionXCOFF *TS = static_cast<MCSectionXCOFF *>(TextSection);
974 TS->getQualNameSymbol()->setSymbolTableName("");
975 TS->setSymbolTableName("");
976
977 DataSection = Ctx->getXCOFFSection(
978 ".data", SectionKind::getData(),
979 XCOFF::CsectProperties(XCOFF::StorageMappingClass::XMC_RW, XCOFF::XTY_SD),
980 /* MultiSymbolsAllowed*/ true);
981
982 ReadOnlySection = Ctx->getXCOFFSection(
983 ".rodata", SectionKind::getReadOnly(),
984 XCOFF::CsectProperties(XCOFF::StorageMappingClass::XMC_RO, XCOFF::XTY_SD),
985 /* MultiSymbolsAllowed*/ true);
986 ReadOnlySection->setAlignment(Align(4));
987
988 ReadOnly8Section = Ctx->getXCOFFSection(
989 ".rodata.8", SectionKind::getReadOnly(),
990 XCOFF::CsectProperties(XCOFF::StorageMappingClass::XMC_RO, XCOFF::XTY_SD),
991 /* MultiSymbolsAllowed*/ true);
992 ReadOnly8Section->setAlignment(Align(8));
993
994 ReadOnly16Section = Ctx->getXCOFFSection(
995 ".rodata.16", SectionKind::getReadOnly(),
996 XCOFF::CsectProperties(XCOFF::StorageMappingClass::XMC_RO, XCOFF::XTY_SD),
997 /* MultiSymbolsAllowed*/ true);
998 ReadOnly16Section->setAlignment(Align(16));
999
1000 TLSDataSection = Ctx->getXCOFFSection(
1001 ".tdata", SectionKind::getThreadData(),
1002 XCOFF::CsectProperties(XCOFF::StorageMappingClass::XMC_TL, XCOFF::XTY_SD),
1003 /* MultiSymbolsAllowed*/ true);
1004
1005 TOCBaseSection = Ctx->getXCOFFSection(
1006 "TOC", SectionKind::getData(),
1007 XCOFF::CsectProperties(XCOFF::StorageMappingClass::XMC_TC0,
1008 XCOFF::XTY_SD));
1009
1010 // The TOC-base always has 0 size, but 4 byte alignment.
1011 TOCBaseSection->setAlignment(Align(4));
1012
1013 LSDASection = Ctx->getXCOFFSection(
1014 ".gcc_except_table", SectionKind::getReadOnly(),
1015 XCOFF::CsectProperties(XCOFF::StorageMappingClass::XMC_RO,
1016 XCOFF::XTY_SD));
1017
1018 CompactUnwindSection = Ctx->getXCOFFSection(
1019 ".eh_info_table", SectionKind::getData(),
1020 XCOFF::CsectProperties(XCOFF::StorageMappingClass::XMC_RW,
1021 XCOFF::XTY_SD));
1022
1023 // DWARF sections for XCOFF are not csects. They are special STYP_DWARF
1024 // sections, and the individual DWARF sections are distinguished by their
1025 // section subtype.
1026 DwarfAbbrevSection = Ctx->getXCOFFSection(
1027 ".dwabrev", SectionKind::getMetadata(),
1028 /* CsectProperties */ std::nullopt,
1029 /* MultiSymbolsAllowed */ true, XCOFF::SSUBTYP_DWABREV);
1030
1031 DwarfInfoSection = Ctx->getXCOFFSection(
1032 ".dwinfo", SectionKind::getMetadata(), /* CsectProperties */ std::nullopt,
1033 /* MultiSymbolsAllowed */ true, XCOFF::SSUBTYP_DWINFO);
1034
1035 DwarfLineSection = Ctx->getXCOFFSection(
1036 ".dwline", SectionKind::getMetadata(), /* CsectProperties */ std::nullopt,
1037 /* MultiSymbolsAllowed */ true, XCOFF::SSUBTYP_DWLINE);
1038
1039 DwarfFrameSection = Ctx->getXCOFFSection(
1040 ".dwframe", SectionKind::getMetadata(),
1041 /* CsectProperties */ std::nullopt,
1042 /* MultiSymbolsAllowed */ true, XCOFF::SSUBTYP_DWFRAME);
1043
1044 DwarfPubNamesSection = Ctx->getXCOFFSection(
1045 ".dwpbnms", SectionKind::getMetadata(),
1046 /* CsectProperties */ std::nullopt,
1047 /* MultiSymbolsAllowed */ true, XCOFF::SSUBTYP_DWPBNMS);
1048
1049 DwarfPubTypesSection = Ctx->getXCOFFSection(
1050 ".dwpbtyp", SectionKind::getMetadata(),
1051 /* CsectProperties */ std::nullopt,
1052 /* MultiSymbolsAllowed */ true, XCOFF::SSUBTYP_DWPBTYP);
1053
1054 DwarfStrSection = Ctx->getXCOFFSection(
1055 ".dwstr", SectionKind::getMetadata(), /* CsectProperties */ std::nullopt,
1056 /* MultiSymbolsAllowed */ true, XCOFF::SSUBTYP_DWSTR);
1057
1058 DwarfLocSection = Ctx->getXCOFFSection(
1059 ".dwloc", SectionKind::getMetadata(), /* CsectProperties */ std::nullopt,
1060 /* MultiSymbolsAllowed */ true, XCOFF::SSUBTYP_DWLOC);
1061
1062 DwarfARangesSection = Ctx->getXCOFFSection(
1063 ".dwarnge", SectionKind::getMetadata(),
1064 /* CsectProperties */ std::nullopt,
1065 /* MultiSymbolsAllowed */ true, XCOFF::SSUBTYP_DWARNGE);
1066
1067 DwarfRangesSection = Ctx->getXCOFFSection(
1068 ".dwrnges", SectionKind::getMetadata(),
1069 /* CsectProperties */ std::nullopt,
1070 /* MultiSymbolsAllowed */ true, XCOFF::SSUBTYP_DWRNGES);
1071
1072 DwarfMacinfoSection = Ctx->getXCOFFSection(
1073 ".dwmac", SectionKind::getMetadata(), /* CsectProperties */ std::nullopt,
1074 /* MultiSymbolsAllowed */ true, XCOFF::SSUBTYP_DWMAC);
1075}
1076
1077void MCObjectFileInfo::initDXContainerObjectFileInfo(const Triple &T) {
1078 // At the moment the DXBC section should end up empty.
1079 TextSection = Ctx->getDXContainerSection("DXBC", SectionKind::getText());
1080}
1081
1082MCObjectFileInfo::~MCObjectFileInfo() = default;
1083
1084void MCObjectFileInfo::initMCObjectFileInfo(MCContext &MCCtx, bool PIC,
1085 bool LargeCodeModel) {
1086 PositionIndependent = PIC;
1087 Ctx = &MCCtx;
1088
1089 // Common.
1090 SupportsCompactUnwindWithoutEHFrame = false;
1091 OmitDwarfIfHaveCompactUnwind = false;
1092
1093 FDECFIEncoding = dwarf::DW_EH_PE_absptr;
1094
1095 CompactUnwindDwarfEHFrameOnly = 0;
1096
1097 EHFrameSection = nullptr; // Created on demand.
1098 SFrameSection = nullptr; // Created on demand.
1099 CompactUnwindSection = nullptr; // Used only by selected targets.
1100 DwarfAccelNamesSection = nullptr; // Used only by selected targets.
1101 DwarfAccelObjCSection = nullptr; // Used only by selected targets.
1102 DwarfAccelNamespaceSection = nullptr; // Used only by selected targets.
1103 DwarfAccelTypesSection = nullptr; // Used only by selected targets.
1104
1105 const Triple &TheTriple = Ctx->getTargetTriple();
1106 switch (Ctx->getObjectFileType()) {
1107 case MCContext::IsMachO:
1108 initMachOMCObjectFileInfo(TheTriple);
1109 break;
1110 case MCContext::IsCOFF:
1111 initCOFFMCObjectFileInfo(TheTriple);
1112 break;
1113 case MCContext::IsELF:
1114 initELFMCObjectFileInfo(TheTriple, LargeCodeModel);
1115 break;
1116 case MCContext::IsGOFF:
1117 initGOFFMCObjectFileInfo(TheTriple);
1118 break;
1119 case MCContext::IsSPIRV:
1120 initSPIRVMCObjectFileInfo(TheTriple);
1121 break;
1122 case MCContext::IsWasm:
1123 initWasmMCObjectFileInfo(TheTriple);
1124 break;
1125 case MCContext::IsXCOFF:
1126 initXCOFFMCObjectFileInfo(TheTriple);
1127 break;
1128 case MCContext::IsDXContainer:
1129 initDXContainerObjectFileInfo(TheTriple);
1130 break;
1131 }
1132}
1133
1134MCSection *MCObjectFileInfo::getDwarfComdatSection(const char *Name,
1135 uint64_t Hash) const {
1136 switch (Ctx->getTargetTriple().getObjectFormat()) {
1137 case Triple::ELF:
1138 return Ctx->getELFSection(Name, ELF::SHT_PROGBITS, ELF::SHF_GROUP, 0,
1139 utostr(Hash), /*IsComdat=*/true);
1140 case Triple::Wasm:
1141 return Ctx->getWasmSection(Name, SectionKind::getMetadata(), 0,
1142 utostr(Hash), MCSection::NonUniqueID);
1143 case Triple::MachO:
1144 case Triple::COFF:
1145 case Triple::GOFF:
1146 case Triple::SPIRV:
1147 case Triple::XCOFF:
1148 case Triple::DXContainer:
1149 case Triple::UnknownObjectFormat:
1150 report_fatal_error("Cannot get DWARF comdat section for this object file "
1151 "format: not implemented.");
1152 break;
1153 }
1154 llvm_unreachable("Unknown ObjectFormatType");
1155}
1156
1157MCSection *
1158MCObjectFileInfo::getCallGraphSection(const MCSection &TextSec) const {
1159 if (Ctx->getObjectFileType() != MCContext::IsELF)
1160 return CallGraphSection;
1161
1162 const MCSectionELF &ElfSec = static_cast<const MCSectionELF &>(TextSec);
1163 unsigned Flags = ELF::SHF_LINK_ORDER;
1164 StringRef GroupName;
1165 if (const MCSymbol *Group = ElfSec.getGroup()) {
1166 GroupName = Group->getName();
1167 Flags |= ELF::SHF_GROUP;
1168 }
1169
1170 return Ctx->getELFSection(
1171 ".llvm.callgraph", ELF::SHT_LLVM_CALL_GRAPH, Flags, 0, GroupName,
1172 /*IsComdat=*/true, ElfSec.getUniqueID(),
1173 static_cast<const MCSymbolELF *>(TextSec.getBeginSymbol()));
1174}
1175
1176MCSection *
1177MCObjectFileInfo::getStackSizesSection(const MCSection &TextSec) const {
1178 if ((Ctx->getObjectFileType() != MCContext::IsELF) ||
1179 Ctx->getTargetTriple().isPS4())
1180 return StackSizesSection;
1181
1182 const MCSectionELF &ElfSec = static_cast<const MCSectionELF &>(TextSec);
1183 unsigned Flags = ELF::SHF_LINK_ORDER;
1184 StringRef GroupName;
1185 if (const MCSymbol *Group = ElfSec.getGroup()) {
1186 GroupName = Group->getName();
1187 Flags |= ELF::SHF_GROUP;
1188 }
1189
1190 return Ctx->getELFSection(
1191 ".stack_sizes", ELF::SHT_PROGBITS, Flags, 0, GroupName, true,
1192 ElfSec.getUniqueID(),
1193 static_cast<const MCSymbolELF *>(TextSec.getBeginSymbol()));
1194}
1195
1196MCSection *
1197MCObjectFileInfo::getBBAddrMapSection(const MCSection &TextSec) const {
1198 if (Ctx->getObjectFileType() != MCContext::IsELF)
1199 return nullptr;
1200
1201 const MCSectionELF &ElfSec = static_cast<const MCSectionELF &>(TextSec);
1202 unsigned Flags = ELF::SHF_LINK_ORDER;
1203 StringRef GroupName;
1204 if (const MCSymbol *Group = ElfSec.getGroup()) {
1205 GroupName = Group->getName();
1206 Flags |= ELF::SHF_GROUP;
1207 }
1208
1209 // Use the text section's begin symbol and unique ID to create a separate
1210 // .llvm_bb_addr_map section associated with every unique text section.
1211 return Ctx->getELFSection(
1212 ".llvm_bb_addr_map", ELF::SHT_LLVM_BB_ADDR_MAP, Flags, 0, GroupName, true,
1213 ElfSec.getUniqueID(),
1214 static_cast<const MCSymbolELF *>(TextSec.getBeginSymbol()));
1215}
1216
1217MCSection *
1218MCObjectFileInfo::getKCFITrapSection(const MCSection &TextSec) const {
1219 if (Ctx->getObjectFileType() != MCContext::IsELF)
1220 return nullptr;
1221
1222 const MCSectionELF &ElfSec = static_cast<const MCSectionELF &>(TextSec);
1223 unsigned Flags = ELF::SHF_LINK_ORDER | ELF::SHF_ALLOC;
1224 StringRef GroupName;
1225 if (const MCSymbol *Group = ElfSec.getGroup()) {
1226 GroupName = Group->getName();
1227 Flags |= ELF::SHF_GROUP;
1228 }
1229
1230 return Ctx->getELFSection(
1231 ".kcfi_traps", ELF::SHT_PROGBITS, Flags, 0, GroupName,
1232 /*IsComdat=*/true, ElfSec.getUniqueID(),
1233 static_cast<const MCSymbolELF *>(TextSec.getBeginSymbol()));
1234}
1235
1236MCSection *
1237MCObjectFileInfo::getPseudoProbeSection(const MCSection &TextSec) const {
1238 auto ObjFileType = Ctx->getObjectFileType();
1239 if (ObjFileType == MCContext::IsELF) {
1240 const auto &ElfSec = static_cast<const MCSectionELF &>(TextSec);
1241 unsigned Flags = ELF::SHF_LINK_ORDER;
1242 StringRef GroupName;
1243 if (const MCSymbol *Group = ElfSec.getGroup()) {
1244 GroupName = Group->getName();
1245 Flags |= ELF::SHF_GROUP;
1246 }
1247 return Ctx->getELFSection(
1248 PseudoProbeSection->getName(), ELF::SHT_PROGBITS, Flags, 0, GroupName,
1249 true, ElfSec.getUniqueID(),
1250 static_cast<const MCSymbolELF *>(TextSec.getBeginSymbol()));
1251 } else if (ObjFileType == MCContext::IsCOFF) {
1252 StringRef COMDATSymName = "";
1253 int Selection = 0;
1254 unsigned Characteristics =
1255 static_cast<MCSectionCOFF *>(PseudoProbeSection)->getCharacteristics();
1256 const auto &COFFSec = static_cast<const MCSectionCOFF &>(TextSec);
1257 if (const MCSymbol *COMDATSym = COFFSec.getCOMDATSymbol()) {
1258 // Associate .pseudo_probe to its function section.
1259 COMDATSymName = COMDATSym->getName();
1260 Characteristics |= COFF::IMAGE_SCN_LNK_COMDAT;
1261 Selection = COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE;
1262 }
1263 return Ctx->getCOFFSection(PseudoProbeSection->getName(), Characteristics,
1264 COMDATSymName, Selection, COFFSec.getUniqueID());
1265 }
1266
1267 return PseudoProbeSection;
1268}
1269
1270MCSection *
1271MCObjectFileInfo::getPseudoProbeDescSection(StringRef FuncName) const {
1272 if (!Ctx->getTargetTriple().supportsCOMDAT() || FuncName.empty())
1273 return PseudoProbeDescSection;
1274
1275 // Create a separate comdat group for each function's descriptor in order
1276 // for the linker to deduplicate. The duplication, must be from different
1277 // tranlation unit, can come from:
1278 // 1. Inline functions defined in header files;
1279 // 2. ThinLTO imported funcions;
1280 // 3. Weak-linkage definitions.
1281 // Use a concatenation of the section name and the function name as the
1282 // group name so that descriptor-only groups won't be folded with groups of
1283 // code.
1284 auto ObjFileType = Ctx->getObjectFileType();
1285 if (ObjFileType == MCContext::IsELF) {
1286 auto *S = static_cast<MCSectionELF *>(PseudoProbeDescSection);
1287 auto Flags = S->getFlags() | ELF::SHF_GROUP;
1288 return Ctx->getELFSection(S->getName(), S->getType(), Flags,
1289 S->getEntrySize(), S->getName() + "_" + FuncName,
1290 /*IsComdat=*/true);
1291 } else if (ObjFileType == MCContext::IsCOFF) {
1292 auto *S = static_cast<MCSectionCOFF *>(PseudoProbeDescSection);
1293 unsigned Characteristics =
1294 S->getCharacteristics() | COFF::IMAGE_SCN_LNK_COMDAT;
1295 std::string COMDATSymName = (S->getName() + "_" + FuncName).str();
1296 return Ctx->getCOFFSection(S->getName(), Characteristics, COMDATSymName,
1297 COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH);
1298 }
1299
1300 return PseudoProbeDescSection;
1301}
1302
1306
1307MCSection *MCObjectFileInfo::getPCSection(StringRef Name,
1308 const MCSection *TextSec) const {
1309 if (Ctx->getObjectFileType() != MCContext::IsELF)
1310 return nullptr;
1311
1312 // SHF_WRITE for relocations, and let user post-process data in-place.
1313 unsigned Flags = ELF::SHF_WRITE | ELF::SHF_ALLOC | ELF::SHF_LINK_ORDER;
1314
1315 if (!TextSec)
1316 TextSec = getTextSection();
1317
1318 StringRef GroupName;
1319 const auto &ElfSec = static_cast<const MCSectionELF &>(*TextSec);
1320 if (const MCSymbol *Group = ElfSec.getGroup()) {
1321 GroupName = Group->getName();
1322 Flags |= ELF::SHF_GROUP;
1323 }
1324 return Ctx->getELFSection(
1325 Name, ELF::SHT_PROGBITS, Flags, 0, GroupName, true, ElfSec.getUniqueID(),
1326 static_cast<const MCSymbolELF *>(TextSec->getBeginSymbol()));
1327}
Selection
amdgpu AMDGPU DAG DAG Pattern Instruction Selection
Definition AMDGPUISelDAGToDAG.cpp:145
useCompactUnwind
static bool useCompactUnwind(const Triple &T)
Definition MCObjectFileInfo.cpp:31
MCSectionGOFF.h
This file declares the MCSectionGOFF class, which contains all of the necessary machine code sections...
T
#define T
Definition Mips16ISelLowering.cpp:282
PIC
PassInstrumentationCallbacks PIC
Definition PassBuilderBindings.cpp:57
SFrame.h
This file contains data-structure definitions and constants to support unwinding based on ....
StringExtras.h
This file contains some functions that are useful when dealing with strings.
llvm::MCContext
Context object for machine code objects.
Definition MCContext.h:83
llvm::MCObjectFileInfo::NonLazySymbolPointerSection
MCSection * NonLazySymbolPointerSection
Definition MCObjectFileInfo.h:225
llvm::MCObjectFileInfo::TLSBSSSection
MCSection * TLSBSSSection
Section directive for Thread Local uninitialized data.
Definition MCObjectFileInfo.h:164
llvm::MCObjectFileInfo::CallGraphSection
MCSection * CallGraphSection
Section containing call graph metadata.
Definition MCObjectFileInfo.h:73
llvm::MCObjectFileInfo::DwarfDebugNamesSection
MCSection * DwarfDebugNamesSection
Accelerator table sections.
Definition MCObjectFileInfo.h:107
llvm::MCObjectFileInfo::TLSThreadInitSection
const MCSection * TLSThreadInitSection
Section for thread local data initialization functions.
Definition MCObjectFileInfo.h:210
llvm::MCObjectFileInfo::DwarfStrOffSection
MCSection * DwarfStrOffSection
The DWARF v5 string offset and address table sections.
Definition MCObjectFileInfo.h:125
llvm::MCObjectFileInfo::MergeableConst16Section
MCSection * MergeableConst16Section
Definition MCObjectFileInfo.h:197
llvm::MCObjectFileInfo::COFFGlobalTypeHashesSection
MCSection * COFFGlobalTypeHashesSection
Definition MCObjectFileInfo.h:150
llvm::MCObjectFileInfo::SFrameSection
MCSection * SFrameSection
SFrame section.
Definition MCObjectFileInfo.h:181
llvm::MCObjectFileInfo::DwarfGnuPubTypesSection
MCSection * DwarfGnuPubTypesSection
Section for newer gnu pubtypes.
Definition MCObjectFileInfo.h:143
llvm::MCObjectFileInfo::getLLVMStatsSection
MCSection * getLLVMStatsSection() const
Definition MCObjectFileInfo.cpp:1303
llvm::MCObjectFileInfo::TextSection
MCSection * TextSection
Section directive for standard text.
Definition MCObjectFileInfo.h:54
llvm::MCObjectFileInfo::TLSDataSection
MCSection * TLSDataSection
Section directive for Thread Local data. ELF, MachO, COFF, and Wasm.
Definition MCObjectFileInfo.h:159
llvm::MCObjectFileInfo::ThreadLocalPointerSection
MCSection * ThreadLocalPointerSection
Definition MCObjectFileInfo.h:226
llvm::MCObjectFileInfo::LSDASection
MCSection * LSDASection
If exception handling is supported by the target, this is the section the Language Specific Data Area...
Definition MCObjectFileInfo.h:70
llvm::MCObjectFileInfo::CompactUnwindSection
MCSection * CompactUnwindSection
If exception handling is supported by the target and the target can support a compact representation ...
Definition MCObjectFileInfo.h:78
llvm::MCObjectFileInfo::COFFDebugSymbolsSection
MCSection * COFFDebugSymbolsSection
Definition MCObjectFileInfo.h:148
llvm::MCObjectFileInfo::getPseudoProbeDescSection
MCSection * getPseudoProbeDescSection(StringRef FuncName) const
Definition MCObjectFileInfo.cpp:1271
llvm::MCObjectFileInfo::DwarfLoclistsSection
MCSection * DwarfLoclistsSection
The DWARF v5 locations list section.
Definition MCObjectFileInfo.h:130
llvm::MCObjectFileInfo::PseudoProbeSection
MCSection * PseudoProbeSection
Section for pseudo probe information used by AutoFDO.
Definition MCObjectFileInfo.h:187
llvm::MCObjectFileInfo::FourByteConstantSection
MCSection * FourByteConstantSection
Definition MCObjectFileInfo.h:221
llvm::MCObjectFileInfo::getStackSizesSection
MCSection * getStackSizesSection(const MCSection &TextSec) const
Definition MCObjectFileInfo.cpp:1177
llvm::MCObjectFileInfo::DwarfRnglistsSection
MCSection * DwarfRnglistsSection
The DWARF v5 range list section.
Definition MCObjectFileInfo.h:128
llvm::MCObjectFileInfo::DwarfDebugInlineSection
const MCSection * DwarfDebugInlineSection
Definition MCObjectFileInfo.h:92
llvm::MCObjectFileInfo::getBBAddrMapSection
MCSection * getBBAddrMapSection(const MCSection &TextSec) const
Definition MCObjectFileInfo.cpp:1197
llvm::MCObjectFileInfo::LazySymbolPointerSection
MCSection * LazySymbolPointerSection
Definition MCObjectFileInfo.h:224
llvm::MCObjectFileInfo::RemarksSection
MCSection * RemarksSection
Remarks section.
Definition MCObjectFileInfo.h:173
llvm::MCObjectFileInfo::getPseudoProbeSection
MCSection * getPseudoProbeSection(const MCSection &TextSec) const
Definition MCObjectFileInfo.cpp:1237
llvm::MCObjectFileInfo::TLSExtraDataSection
MCSection * TLSExtraDataSection
Extra TLS Variable Data section.
Definition MCObjectFileInfo.h:156
llvm::MCObjectFileInfo::EHFrameSection
MCSection * EHFrameSection
EH frame section.
Definition MCObjectFileInfo.h:178
llvm::MCObjectFileInfo::OmitDwarfIfHaveCompactUnwind
bool OmitDwarfIfHaveCompactUnwind
OmitDwarfIfHaveCompactUnwind - True if the target object file supports having some functions with com...
Definition MCObjectFileInfo.h:39
llvm::MCObjectFileInfo::DrectveSection
MCSection * DrectveSection
COFF specific sections.
Definition MCObjectFileInfo.h:230
llvm::MCObjectFileInfo::FaultMapSection
MCSection * FaultMapSection
FaultMap section.
Definition MCObjectFileInfo.h:170
llvm::MCObjectFileInfo::getKCFITrapSection
MCSection * getKCFITrapSection(const MCSection &TextSec) const
Definition MCObjectFileInfo.cpp:1218
llvm::MCObjectFileInfo::TLSTLVSection
MCSection * TLSTLVSection
Section for thread local structure information.
Definition MCObjectFileInfo.h:206
llvm::MCObjectFileInfo::initMCObjectFileInfo
void initMCObjectFileInfo(MCContext &MCCtx, bool PIC, bool LargeCodeModel=false)
Definition MCObjectFileInfo.cpp:1084
llvm::MCObjectFileInfo::DwarfRnglistsDWOSection
MCSection * DwarfRnglistsDWOSection
The DWARF v5 range and location list sections for fission.
Definition MCObjectFileInfo.h:133
llvm::MCObjectFileInfo::ImportCallSection
MCSection * ImportCallSection
If import call optimization is supported by the target, this is the section to emit import call data ...
Definition MCObjectFileInfo.h:82
llvm::MCObjectFileInfo::MergeableConst32Section
MCSection * MergeableConst32Section
Definition MCObjectFileInfo.h:198
llvm::MCObjectFileInfo::SixteenByteConstantSection
MCSection * SixteenByteConstantSection
Definition MCObjectFileInfo.h:223
llvm::MCObjectFileInfo::getPCSection
MCSection * getPCSection(StringRef Name, const MCSection *TextSec) const
Definition MCObjectFileInfo.cpp:1307
llvm::MCObjectFileInfo::SFrameABIArch
std::optional< sframe::ABI > SFrameABIArch
SFrame ABI architecture byte.
Definition MCObjectFileInfo.h:51
llvm::MCObjectFileInfo::SupportsCompactUnwindWithoutEHFrame
bool SupportsCompactUnwindWithoutEHFrame
True if the target object file supports emitting a compact unwind section without an associated EH fr...
Definition MCObjectFileInfo.h:34
llvm::MCObjectFileInfo::ReadOnlySection
MCSection * ReadOnlySection
Section that is readonly and can contain arbitrary initialized data.
Definition MCObjectFileInfo.h:66
llvm::MCObjectFileInfo::FDECFIEncoding
unsigned FDECFIEncoding
FDE CFI encoding.
Definition MCObjectFileInfo.h:45
llvm::MCObjectFileInfo::DwarfLoclistsDWOSection
MCSection * DwarfLoclistsDWOSection
Definition MCObjectFileInfo.h:134
llvm::MCObjectFileInfo::getCallGraphSection
MCSection * getCallGraphSection(const MCSection &TextSec) const
Definition MCObjectFileInfo.cpp:1158
llvm::MCObjectFileInfo::BSSSection
MCSection * BSSSection
Section that is default initialized to zero.
Definition MCObjectFileInfo.h:60
llvm::MCObjectFileInfo::EightByteConstantSection
MCSection * EightByteConstantSection
Definition MCObjectFileInfo.h:222
llvm::MCObjectFileInfo::StackSizesSection
MCSection * StackSizesSection
Section containing metadata on function stack sizes.
Definition MCObjectFileInfo.h:184
llvm::MCObjectFileInfo::CompactUnwindDwarfEHFrameOnly
unsigned CompactUnwindDwarfEHFrameOnly
Compact unwind encoding indicating that we should emit only an EH frame.
Definition MCObjectFileInfo.h:48
llvm::MCObjectFileInfo::getTextSection
MCSection * getTextSection() const
Definition MCObjectFileInfo.h:274
llvm::MCObjectFileInfo::DwarfGnuPubNamesSection
MCSection * DwarfGnuPubNamesSection
Section for newer gnu pubnames.
Definition MCObjectFileInfo.h:141
llvm::MCObjectFileInfo::StackMapSection
MCSection * StackMapSection
StackMap section.
Definition MCObjectFileInfo.h:167
llvm::MCObjectFileInfo::DwarfAccelNamespaceSection
MCSection * DwarfAccelNamespaceSection
Definition MCObjectFileInfo.h:110
llvm::MCObjectFileInfo::DataSection
MCSection * DataSection
Section directive for standard data.
Definition MCObjectFileInfo.h:57
llvm::MCSectionCOFF
This represents a section on Windows.
Definition MCSectionCOFF.h:27
llvm::MCSectionELF
This represents a section on linux, lots of unix variants and some bare metal systems.
Definition MCSectionELF.h:27
llvm::MCSectionELF::getFlags
unsigned getFlags() const
Definition MCSectionELF.h:74
llvm::MCSectionELF::getUniqueID
unsigned getUniqueID() const
Definition MCSectionELF.h:81
llvm::MCSectionELF::getGroup
const MCSymbolELF * getGroup() const
Definition MCSectionELF.h:77
llvm::MCSectionXCOFF::setSymbolTableName
void setSymbolTableName(StringRef STN)
Definition MCSectionXCOFF.h:116
llvm::MCSectionXCOFF::getQualNameSymbol
MCSymbolXCOFF * getQualNameSymbol() const
Definition MCSectionXCOFF.h:113
llvm::MCSection
Instances of this class represent a uniqued identifier for a section in the current translation unit.
Definition MCSection.h:517
llvm::MCSection::NonUniqueID
static constexpr unsigned NonUniqueID
Definition MCSection.h:522
llvm::MCSection::getBeginSymbol
MCSymbol * getBeginSymbol()
Definition MCSection.h:589
llvm::MCSymbolXCOFF::setSymbolTableName
void setSymbolTableName(StringRef STN)
Definition MCSymbolXCOFF.h:63
llvm::MCSymbol
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
Definition MCSymbol.h:42
llvm::SectionKind::getThreadData
static SectionKind getThreadData()
Definition SectionKind.h:207
llvm::SectionKind::getMetadata
static SectionKind getMetadata()
Definition SectionKind.h:188
llvm::SectionKind::getMergeable2ByteCString
static SectionKind getMergeable2ByteCString()
Definition SectionKind.h:196
llvm::SectionKind::getMergeableConst4
static SectionKind getMergeableConst4()
Definition SectionKind.h:202
llvm::SectionKind::getText
static SectionKind getText()
Definition SectionKind.h:190
llvm::SectionKind::getReadOnlyWithRel
static SectionKind getReadOnlyWithRel()
Definition SectionKind.h:214
llvm::SectionKind::getData
static SectionKind getData()
Definition SectionKind.h:213
llvm::SectionKind::getMergeableConst8
static SectionKind getMergeableConst8()
Definition SectionKind.h:203
llvm::SectionKind::getBSS
static SectionKind getBSS()
Definition SectionKind.h:209
llvm::SectionKind::getThreadBSS
static SectionKind getThreadBSS()
Definition SectionKind.h:206
llvm::SectionKind::getMergeableConst16
static SectionKind getMergeableConst16()
Definition SectionKind.h:204
llvm::SectionKind::getMergeable1ByteCString
static SectionKind getMergeable1ByteCString()
Definition SectionKind.h:193
llvm::SectionKind::getReadOnly
static SectionKind getReadOnly()
Definition SectionKind.h:192
llvm::StringRef
StringRef - Represent a constant reference to a string, i.e.
Definition StringRef.h:55
llvm::StringRef::empty
constexpr bool empty() const
empty - Check if the string is empty.
Definition StringRef.h:143
llvm::Triple
Triple - Helper class for working with autoconf configuration names.
Definition Triple.h:47
llvm::Triple::UnknownObjectFormat
@ UnknownObjectFormat
Definition Triple.h:320
uint64_t
llvm_unreachable
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
Definition ErrorHandling.h:164
llvm::AMDGPU::HSAMD::Kernel::Arg::Key::Align
constexpr char Align[]
Key for Kernel::Arg::Metadata::mAlign.
Definition AMDGPUMetadata.h:183
llvm::COFF::SectionCharacteristics
SectionCharacteristics
Definition COFF.h:298
llvm::COFF::IMAGE_SCN_LNK_REMOVE
@ IMAGE_SCN_LNK_REMOVE
Definition COFF.h:308
llvm::COFF::IMAGE_SCN_CNT_CODE
@ IMAGE_SCN_CNT_CODE
Definition COFF.h:303
llvm::COFF::IMAGE_SCN_MEM_READ
@ IMAGE_SCN_MEM_READ
Definition COFF.h:336
llvm::COFF::IMAGE_SCN_MEM_EXECUTE
@ IMAGE_SCN_MEM_EXECUTE
Definition COFF.h:335
llvm::COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA
@ IMAGE_SCN_CNT_UNINITIALIZED_DATA
Definition COFF.h:305
llvm::COFF::IMAGE_SCN_MEM_DISCARDABLE
@ IMAGE_SCN_MEM_DISCARDABLE
Definition COFF.h:331
llvm::COFF::IMAGE_SCN_LNK_INFO
@ IMAGE_SCN_LNK_INFO
Definition COFF.h:307
llvm::COFF::IMAGE_SCN_MEM_16BIT
@ IMAGE_SCN_MEM_16BIT
Definition COFF.h:312
llvm::COFF::IMAGE_SCN_CNT_INITIALIZED_DATA
@ IMAGE_SCN_CNT_INITIALIZED_DATA
Definition COFF.h:304
llvm::COFF::IMAGE_SCN_LNK_COMDAT
@ IMAGE_SCN_LNK_COMDAT
Definition COFF.h:309
llvm::COFF::IMAGE_SCN_MEM_WRITE
@ IMAGE_SCN_MEM_WRITE
Definition COFF.h:337
llvm::COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE
@ IMAGE_COMDAT_SELECT_ASSOCIATIVE
Definition COFF.h:459
llvm::COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH
@ IMAGE_COMDAT_SELECT_EXACT_MATCH
Definition COFF.h:458
llvm::ELF::SHF_MERGE
@ SHF_MERGE
Definition ELF.h:1254
llvm::ELF::SHF_STRINGS
@ SHF_STRINGS
Definition ELF.h:1257
llvm::ELF::SHF_EXCLUDE
@ SHF_EXCLUDE
Definition ELF.h:1282
llvm::ELF::SHF_ALLOC
@ SHF_ALLOC
Definition ELF.h:1248
llvm::ELF::SHF_LINK_ORDER
@ SHF_LINK_ORDER
Definition ELF.h:1263
llvm::ELF::SHF_GROUP
@ SHF_GROUP
Definition ELF.h:1270
llvm::ELF::SHF_WRITE
@ SHF_WRITE
Definition ELF.h:1245
llvm::ELF::SHF_TLS
@ SHF_TLS
Definition ELF.h:1273
llvm::ELF::SHF_EXECINSTR
@ SHF_EXECINSTR
Definition ELF.h:1251
llvm::ELF::SHT_PROGBITS
@ SHT_PROGBITS
Definition ELF.h:1147
llvm::ELF::SHT_NOBITS
@ SHT_NOBITS
Definition ELF.h:1154
llvm::ELF::SHT_LLVM_CALL_GRAPH
@ SHT_LLVM_CALL_GRAPH
Definition ELF.h:1190
llvm::ELF::SHT_MIPS_DWARF
@ SHT_MIPS_DWARF
Definition ELF.h:1226
llvm::ELF::SHT_LLVM_BB_ADDR_MAP
@ SHT_LLVM_BB_ADDR_MAP
Definition ELF.h:1185
llvm::ELF::SHT_GNU_SFRAME
@ SHT_GNU_SFRAME
Definition ELF.h:1194
llvm::ELF::SHT_X86_64_UNWIND
@ SHT_X86_64_UNWIND
Definition ELF.h:1222
llvm::GOFF::ESD_LB_Deferred
@ ESD_LB_Deferred
Definition GOFF.h:129
llvm::GOFF::ESD_LB_NoLoad
@ ESD_LB_NoLoad
Definition GOFF.h:130
llvm::GOFF::ESD_LB_Initial
@ ESD_LB_Initial
Definition GOFF.h:128
llvm::GOFF::CLASS_WSA
constexpr StringLiteral CLASS_WSA
Definition MCGOFFAttributes.h:85
llvm::GOFF::ESD_BA_Concatenate
@ ESD_BA_Concatenate
Definition GOFF.h:98
llvm::GOFF::ESD_BA_Merge
@ ESD_BA_Merge
Definition GOFF.h:99
llvm::GOFF::ESD_TS_Structured
@ ESD_TS_Structured
Definition GOFF.h:93
llvm::GOFF::ESD_TS_ByteOriented
@ ESD_TS_ByteOriented
Definition GOFF.h:92
llvm::GOFF::ESD_EXE_DATA
@ ESD_EXE_DATA
Definition GOFF.h:111
llvm::GOFF::ESD_RQ_1
@ ESD_RQ_1
Definition GOFF.h:70
llvm::GOFF::ESD_RQ_0
@ ESD_RQ_0
Definition GOFF.h:69
llvm::GOFF::ESD_ALIGN_Doubleword
@ ESD_ALIGN_Doubleword
Definition GOFF.h:148
llvm::GOFF::ESD_ALIGN_Quadword
@ ESD_ALIGN_Quadword
Definition GOFF.h:149
llvm::GOFF::CLASS_PPA2
constexpr StringLiteral CLASS_PPA2
Definition MCGOFFAttributes.h:87
llvm::GOFF::ESD_BSC_Section
@ ESD_BSC_Section
Definition GOFF.h:136
llvm::GOFF::ESD_LT_OS
@ ESD_LT_OS
Definition GOFF.h:142
llvm::GOFF::ESD_LT_XPLink
@ ESD_LT_XPLink
Definition GOFF.h:142
llvm::GOFF::ESD_NS_Parts
@ ESD_NS_Parts
Definition GOFF.h:65
llvm::GOFF::ESD_NS_NormalName
@ ESD_NS_NormalName
Definition GOFF.h:63
llvm::GOFF::ESD_TA_Rent
@ ESD_TA_Rent
Definition GOFF.h:106
llvm::GOFF::CLASS_CODE
constexpr StringLiteral CLASS_CODE
Definition MCGOFFAttributes.h:84
llvm::GOFF::ESD_RMODE_64
@ ESD_RMODE_64
Definition GOFF.h:88
llvm::MachO::S_THREAD_LOCAL_VARIABLE_POINTERS
@ S_THREAD_LOCAL_VARIABLE_POINTERS
S_THREAD_LOCAL_VARIABLE_POINTERS - Section with pointers to thread local structures.
Definition MachO.h:175
llvm::MachO::S_16BYTE_LITERALS
@ S_16BYTE_LITERALS
S_16BYTE_LITERALS - Section with only 16 byte literals.
Definition MachO.h:160
llvm::MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS
@ S_THREAD_LOCAL_INIT_FUNCTION_POINTERS
S_THREAD_LOCAL_INIT_FUNCTION_POINTERS - Section with thread local variable initialization pointers to...
Definition MachO.h:178
llvm::MachO::S_COALESCED
@ S_COALESCED
S_COALESCED - Section contains symbols that are to be coalesced.
Definition MachO.h:152
llvm::MachO::S_THREAD_LOCAL_ZEROFILL
@ S_THREAD_LOCAL_ZEROFILL
S_THREAD_LOCAL_ZEROFILL - Thread local zerofill section.
Definition MachO.h:169
llvm::MachO::S_LAZY_SYMBOL_POINTERS
@ S_LAZY_SYMBOL_POINTERS
S_LAZY_SYMBOL_POINTERS - Section with lazy symbol pointers.
Definition MachO.h:141
llvm::MachO::S_CSTRING_LITERALS
@ S_CSTRING_LITERALS
S_CSTRING_LITERALS - Section with literal C strings.
Definition MachO.h:131
llvm::MachO::S_THREAD_LOCAL_REGULAR
@ S_THREAD_LOCAL_REGULAR
S_THREAD_LOCAL_REGULAR - Thread local data section.
Definition MachO.h:167
llvm::MachO::S_ZEROFILL
@ S_ZEROFILL
S_ZEROFILL - Zero fill on demand section.
Definition MachO.h:129
llvm::MachO::S_NON_LAZY_SYMBOL_POINTERS
@ S_NON_LAZY_SYMBOL_POINTERS
S_NON_LAZY_SYMBOL_POINTERS - Section with non-lazy symbol pointers.
Definition MachO.h:139
llvm::MachO::S_4BYTE_LITERALS
@ S_4BYTE_LITERALS
S_4BYTE_LITERALS - Section with 4 byte literals.
Definition MachO.h:133
llvm::MachO::S_8BYTE_LITERALS
@ S_8BYTE_LITERALS
S_8BYTE_LITERALS - Section with 8 byte literals.
Definition MachO.h:135
llvm::MachO::S_THREAD_LOCAL_VARIABLES
@ S_THREAD_LOCAL_VARIABLES
S_THREAD_LOCAL_VARIABLES - Section with thread local variable structure data.
Definition MachO.h:172
llvm::MachO::S_ATTR_DEBUG
@ S_ATTR_DEBUG
S_ATTR_DEBUG - A debug section.
Definition MachO.h:207
llvm::MachO::S_ATTR_NO_TOC
@ S_ATTR_NO_TOC
S_ATTR_NO_TOC - Section contains coalesced symbols that are not to be in a ranlib table of contents.
Definition MachO.h:195
llvm::MachO::S_ATTR_LIVE_SUPPORT
@ S_ATTR_LIVE_SUPPORT
S_ATTR_LIVE_SUPPORT - Blocks are live if they reference live blocks.
Definition MachO.h:202
llvm::MachO::S_ATTR_PURE_INSTRUCTIONS
@ S_ATTR_PURE_INSTRUCTIONS
S_ATTR_PURE_INSTRUCTIONS - Section contains only true machine instructions.
Definition MachO.h:192
llvm::MachO::S_ATTR_STRIP_STATIC_SYMS
@ S_ATTR_STRIP_STATIC_SYMS
S_ATTR_STRIP_STATIC_SYMS - Ok to strip static symbols in this section in files with the MY_DYLDLINK f...
Definition MachO.h:198
llvm::XCOFF::SSUBTYP_DWARNGE
@ SSUBTYP_DWARNGE
DWARF aranges section.
Definition XCOFF.h:160
llvm::XCOFF::SSUBTYP_DWFRAME
@ SSUBTYP_DWFRAME
DWARF frame section.
Definition XCOFF.h:165
llvm::XCOFF::SSUBTYP_DWABREV
@ SSUBTYP_DWABREV
DWARF abbrev section.
Definition XCOFF.h:161
llvm::XCOFF::SSUBTYP_DWINFO
@ SSUBTYP_DWINFO
DWARF info section.
Definition XCOFF.h:156
llvm::XCOFF::SSUBTYP_DWRNGES
@ SSUBTYP_DWRNGES
DWARF ranges section.
Definition XCOFF.h:163
llvm::XCOFF::SSUBTYP_DWLOC
@ SSUBTYP_DWLOC
DWARF loc section.
Definition XCOFF.h:164
llvm::XCOFF::SSUBTYP_DWMAC
@ SSUBTYP_DWMAC
DWARF macinfo section.
Definition XCOFF.h:166
llvm::XCOFF::SSUBTYP_DWPBNMS
@ SSUBTYP_DWPBNMS
DWARF pubnames section.
Definition XCOFF.h:158
llvm::XCOFF::SSUBTYP_DWPBTYP
@ SSUBTYP_DWPBTYP
DWARF pubtypes section.
Definition XCOFF.h:159
llvm::XCOFF::SSUBTYP_DWLINE
@ SSUBTYP_DWLINE
DWARF line section.
Definition XCOFF.h:157
llvm::XCOFF::SSUBTYP_DWSTR
@ SSUBTYP_DWSTR
DWARF str section.
Definition XCOFF.h:162
llvm::XCOFF::XMC_TC0
@ XMC_TC0
TOC Anchor for TOC Addressability.
Definition XCOFF.h:119
llvm::XCOFF::XMC_RW
@ XMC_RW
Read Write Data.
Definition XCOFF.h:118
llvm::XCOFF::XMC_TL
@ XMC_TL
Initialized thread-local variable.
Definition XCOFF.h:127
llvm::XCOFF::XMC_RO
@ XMC_RO
Read Only Constant.
Definition XCOFF.h:107
llvm::XCOFF::XMC_PR
@ XMC_PR
Program Code.
Definition XCOFF.h:106
llvm::XCOFF::XTY_SD
@ XTY_SD
Csect definition for initialized storage.
Definition XCOFF.h:243
llvm::dwarf::DW_EH_PE_pcrel
@ DW_EH_PE_pcrel
Definition Dwarf.h:879
llvm::dwarf::DW_EH_PE_sdata4
@ DW_EH_PE_sdata4
Definition Dwarf.h:876
llvm::dwarf::DW_EH_PE_sdata8
@ DW_EH_PE_sdata8
Definition Dwarf.h:877
llvm::dwarf::DW_EH_PE_absptr
@ DW_EH_PE_absptr
Definition Dwarf.h:868
llvm::wasm::WASM_SEG_FLAG_STRINGS
@ WASM_SEG_FLAG_STRINGS
Definition Wasm.h:229
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition AddressRanges.h:18
llvm::utostr
std::string utostr(uint64_t X, bool isNeg=false)
Definition StringExtras.h:322
llvm::report_fatal_error
LLVM_ABI void report_fatal_error(Error Err, bool gen_crash_diag=true)
Definition Error.cpp:167
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