1 //===-- X86TargetAsmInfo.cpp - X86 asm properties ---------------*- C++ -*-===//
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 // This file contains the declarations of the X86TargetAsmInfo properties.
12 //===----------------------------------------------------------------------===//
14 #include "X86TargetAsmInfo.h"
15 #include "X86TargetMachine.h"
16 #include "X86Subtarget.h"
17 #include "llvm/DerivedTypes.h"
18 #include "llvm/InlineAsm.h"
19 #include "llvm/Instructions.h"
20 #include "llvm/Intrinsics.h"
21 #include "llvm/Module.h"
22 #include "llvm/ADT/StringExtras.h"
23 #include "llvm/Support/Dwarf.h"
26 using namespace llvm::dwarf;
28 static const char *const x86_asm_table[] = {
40 X86TargetAsmInfo::X86TargetAsmInfo(const X86TargetMachine &TM) {
41 const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>();
44 AsmTransCBE = x86_asm_table;
46 AssemblerDialect = Subtarget->getAsmFlavor();
49 bool X86TargetAsmInfo::LowerToBSwap(CallInst *CI) const {
50 // FIXME: this should verify that we are targetting a 486 or better. If not,
51 // we will turn this bswap into something that will be lowered to logical ops
52 // instead of emitting the bswap asm. For now, we don't support 486 or lower
53 // so don't worry about this.
55 // Verify this is a simple bswap.
56 if (CI->getNumOperands() != 2 ||
57 CI->getType() != CI->getOperand(1)->getType() ||
58 !CI->getType()->isInteger())
61 const IntegerType *Ty = dyn_cast<IntegerType>(CI->getType());
62 if (!Ty || Ty->getBitWidth() % 16 != 0)
65 // Okay, we can do this xform, do so now.
66 const Type *Tys[] = { Ty };
67 Module *M = CI->getParent()->getParent()->getParent();
68 Constant *Int = Intrinsic::getDeclaration(M, Intrinsic::bswap, Tys, 1);
70 Value *Op = CI->getOperand(1);
71 Op = CallInst::Create(Int, Op, CI->getName(), CI);
73 CI->replaceAllUsesWith(Op);
74 CI->eraseFromParent();
79 bool X86TargetAsmInfo::ExpandInlineAsm(CallInst *CI) const {
80 InlineAsm *IA = cast<InlineAsm>(CI->getCalledValue());
81 std::vector<InlineAsm::ConstraintInfo> Constraints = IA->ParseConstraints();
83 std::string AsmStr = IA->getAsmString();
85 // TODO: should remove alternatives from the asmstring: "foo {a|b}" -> "foo a"
86 std::vector<std::string> AsmPieces;
87 SplitString(AsmStr, AsmPieces, "\n"); // ; as separator?
89 switch (AsmPieces.size()) {
90 default: return false;
92 AsmStr = AsmPieces[0];
94 SplitString(AsmStr, AsmPieces, " \t"); // Split with whitespace.
97 if (AsmPieces.size() == 2 &&
98 AsmPieces[0] == "bswap" && AsmPieces[1] == "$0") {
99 // No need to check constraints, nothing other than the equivalent of
100 // "=r,0" would be valid here.
101 return LowerToBSwap(CI);
105 if (CI->getType() == Type::Int64Ty && Constraints.size() >= 2 &&
106 Constraints[0].Codes.size() == 1 && Constraints[0].Codes[0] == "A" &&
107 Constraints[1].Codes.size() == 1 && Constraints[1].Codes[0] == "0") {
108 // bswap %eax / bswap %edx / xchgl %eax, %edx -> llvm.bswap.i64
109 std::vector<std::string> Words;
110 SplitString(AsmPieces[0], Words, " \t");
111 if (Words.size() == 2 && Words[0] == "bswap" && Words[1] == "%eax") {
113 SplitString(AsmPieces[1], Words, " \t");
114 if (Words.size() == 2 && Words[0] == "bswap" && Words[1] == "%edx") {
116 SplitString(AsmPieces[2], Words, " \t,");
117 if (Words.size() == 3 && Words[0] == "xchgl" && Words[1] == "%eax" &&
118 Words[2] == "%edx") {
119 return LowerToBSwap(CI);
129 X86DarwinTargetAsmInfo::X86DarwinTargetAsmInfo(const X86TargetMachine &TM):
130 X86TargetAsmInfo(TM) {
131 bool is64Bit = X86TM->getSubtarget<X86Subtarget>().is64Bit();
133 AlignmentIsInBytes = false;
134 TextAlignFillValue = 0x90;
137 Data64bitsDirective = 0; // we can't emit a 64-bit unit
138 ZeroDirective = "\t.space\t"; // ".space N" emits N zeros.
139 PrivateGlobalPrefix = "L"; // Marker for constant pool idxs
140 BSSSection = 0; // no BSS section.
141 ZeroFillDirective = "\t.zerofill\t"; // Uses .zerofill
142 ConstantPoolSection = "\t.const\n";
143 JumpTableDataSection = "\t.const\n";
144 CStringSection = "\t.cstring";
145 CStringSection_ = getUnnamedSection("\t.cstring",
146 SectionFlags::Mergeable | SectionFlags::Strings);
147 FourByteConstantSection = "\t.literal4\n";
148 FourByteConstantSection_ = getUnnamedSection("\t.literal4\n",
149 SectionFlags::Mergeable);
150 EightByteConstantSection_ = getUnnamedSection("\t.literal8\n",
151 SectionFlags::Mergeable);
152 // FIXME: Why don't always use this section?
154 SixteenByteConstantSection = "\t.literal16\n";
155 SixteenByteConstantSection_ = getUnnamedSection("\t.literal16\n",
156 SectionFlags::Mergeable);
158 ReadOnlySection = "\t.const\n";
159 ReadOnlySection_ = getUnnamedSection("\t.const\n", SectionFlags::None);
161 getUnnamedSection(".section __TEXT,__textcoal_nt,coalesced,pure_instructions",
163 ConstDataCoalSection =
164 getUnnamedSection(".section __DATA,__const_coal,coalesced",
166 ConstDataSection = getUnnamedSection(".const_data", SectionFlags::None);
167 DataCoalSection = getUnnamedSection(".section __DATA,__datacoal_nt,coalesced",
168 SectionFlags::Writeable);
170 LCOMMDirective = "\t.lcomm\t";
171 SwitchToSectionDirective = "\t.section ";
172 StringConstantPrefix = "\1LC";
173 COMMDirectiveTakesAlignment = false;
174 HasDotTypeDotSizeDirective = false;
175 if (TM.getRelocationModel() == Reloc::Static) {
176 StaticCtorsSection = ".constructor";
177 StaticDtorsSection = ".destructor";
179 StaticCtorsSection = ".mod_init_func";
180 StaticDtorsSection = ".mod_term_func";
183 PersonalityPrefix = "";
184 PersonalitySuffix = "+4@GOTPCREL";
186 PersonalityPrefix = "L";
187 PersonalitySuffix = "$non_lazy_ptr";
189 NeedsIndirectEncoding = true;
190 InlineAsmStart = "## InlineAsm Start";
191 InlineAsmEnd = "## InlineAsm End";
192 CommentString = "##";
193 SetDirective = "\t.set";
195 UsedDirective = "\t.no_dead_strip\t";
196 WeakDefDirective = "\t.weak_definition ";
197 WeakRefDirective = "\t.weak_reference ";
198 HiddenDirective = "\t.private_extern ";
199 ProtectedDirective = "\t.globl\t";
201 // In non-PIC modes, emit a special label before jump tables so that the
202 // linker can perform more accurate dead code stripping.
203 if (TM.getRelocationModel() != Reloc::PIC_) {
204 // Emit a local label that is preserved until the linker runs.
205 JumpTableSpecialLabelPrefix = "l";
208 SupportsDebugInformation = true;
210 DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
211 DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
212 DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
213 DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
214 DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
215 DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
216 DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
217 DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
218 DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
219 DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
220 DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
222 // Exceptions handling
223 SupportsExceptionHandling = true;
224 GlobalEHDirective = "\t.globl\t";
225 SupportsWeakOmittedEHFrame = false;
226 AbsoluteEHSectionOffsets = false;
227 DwarfEHFrameSection =
228 ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
229 DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
233 X86DarwinTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
235 if (Reason == DwarfEncoding::Functions && Global)
236 return (DW_EH_PE_pcrel | DW_EH_PE_indirect | DW_EH_PE_sdata4);
237 else if (Reason == DwarfEncoding::CodeLabels || !Global)
238 return DW_EH_PE_pcrel;
240 return DW_EH_PE_absptr;
244 X86DarwinTargetAsmInfo::SelectSectionForGlobal(const GlobalValue *GV) const {
245 SectionKind::Kind Kind = SectionKindForGlobal(GV);
246 bool isWeak = GV->isWeakForLinker();
249 case SectionKind::Text:
251 return TextCoalSection;
253 return getTextSection_();
254 case SectionKind::Data:
255 case SectionKind::ThreadData:
256 case SectionKind::BSS:
257 case SectionKind::ThreadBSS:
258 if (cast<GlobalVariable>(GV)->isConstant())
259 return (isWeak ? ConstDataCoalSection : ConstDataSection);
261 return (isWeak ? DataCoalSection : getDataSection_());
262 case SectionKind::ROData:
263 return (isWeak ? ConstDataCoalSection : getReadOnlySection_());
264 case SectionKind::RODataMergeStr:
265 return MergeableStringSection(cast<GlobalVariable>(GV));
266 case SectionKind::RODataMergeConst:
267 return MergeableConstSection(cast<GlobalVariable>(GV));
269 assert(0 && "Unsuported section kind for global");
272 // FIXME: Do we have any extra special weird cases?
276 X86DarwinTargetAsmInfo::MergeableStringSection(const GlobalVariable *GV) const {
277 const TargetData *TD = X86TM->getTargetData();
278 Constant *C = cast<GlobalVariable>(GV)->getInitializer();
279 const Type *Type = cast<ConstantArray>(C)->getType()->getElementType();
281 unsigned Size = TD->getABITypeSize(Type);
283 const TargetData *TD = X86TM->getTargetData();
284 unsigned Align = TD->getPreferredAlignment(GV);
286 return getCStringSection_();
289 return getReadOnlySection_();
293 X86DarwinTargetAsmInfo::MergeableConstSection(const GlobalVariable *GV) const {
294 const TargetData *TD = X86TM->getTargetData();
295 Constant *C = cast<GlobalVariable>(GV)->getInitializer();
297 unsigned Size = TD->getABITypeSize(C->getType());
299 return FourByteConstantSection_;
301 return EightByteConstantSection_;
302 else if (Size == 16 && X86TM->getSubtarget<X86Subtarget>().is64Bit())
303 return SixteenByteConstantSection_;
305 return getReadOnlySection_();
309 X86DarwinTargetAsmInfo::UniqueSectionForGlobal(const GlobalValue* GV,
310 SectionKind::Kind kind) const {
311 assert(0 && "Darwin does not use unique sections");
315 X86ELFTargetAsmInfo::X86ELFTargetAsmInfo(const X86TargetMachine &TM):
316 X86TargetAsmInfo(TM) {
317 bool is64Bit = X86TM->getSubtarget<X86Subtarget>().is64Bit();
319 TextSection_ = getUnnamedSection("\t.text", SectionFlags::Code);
320 DataSection_ = getUnnamedSection("\t.data", SectionFlags::Writeable);
321 BSSSection_ = getUnnamedSection("\t.bss",
322 SectionFlags::Writeable | SectionFlags::BSS);
323 ReadOnlySection_ = getNamedSection("\t.rodata", SectionFlags::None);
324 TLSDataSection_ = getNamedSection("\t.tdata",
325 SectionFlags::Writeable | SectionFlags::TLS);
326 TLSBSSSection_ = getNamedSection("\t.tbss",
327 SectionFlags::Writeable | SectionFlags::TLS | SectionFlags::BSS);
329 ReadOnlySection = ".rodata";
330 FourByteConstantSection = "\t.section\t.rodata.cst4,\"aM\",@progbits,4";
331 EightByteConstantSection = "\t.section\t.rodata.cst8,\"aM\",@progbits,8";
332 SixteenByteConstantSection = "\t.section\t.rodata.cst16,\"aM\",@progbits,16";
333 CStringSection = ".rodata.str";
334 PrivateGlobalPrefix = ".L";
335 WeakRefDirective = "\t.weak\t";
336 SetDirective = "\t.set\t";
339 // Set up DWARF directives
340 HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
343 AbsoluteDebugSectionOffsets = true;
344 SupportsDebugInformation = true;
345 DwarfAbbrevSection = "\t.section\t.debug_abbrev,\"\",@progbits";
346 DwarfInfoSection = "\t.section\t.debug_info,\"\",@progbits";
347 DwarfLineSection = "\t.section\t.debug_line,\"\",@progbits";
348 DwarfFrameSection = "\t.section\t.debug_frame,\"\",@progbits";
349 DwarfPubNamesSection ="\t.section\t.debug_pubnames,\"\",@progbits";
350 DwarfPubTypesSection ="\t.section\t.debug_pubtypes,\"\",@progbits";
351 DwarfStrSection = "\t.section\t.debug_str,\"\",@progbits";
352 DwarfLocSection = "\t.section\t.debug_loc,\"\",@progbits";
353 DwarfARangesSection = "\t.section\t.debug_aranges,\"\",@progbits";
354 DwarfRangesSection = "\t.section\t.debug_ranges,\"\",@progbits";
355 DwarfMacInfoSection = "\t.section\t.debug_macinfo,\"\",@progbits";
357 // Exceptions handling
359 SupportsExceptionHandling = true;
360 AbsoluteEHSectionOffsets = false;
361 DwarfEHFrameSection = "\t.section\t.eh_frame,\"aw\",@progbits";
362 DwarfExceptionSection = "\t.section\t.gcc_except_table,\"a\",@progbits";
364 // On Linux we must declare when we can use a non-executable stack.
365 if (X86TM->getSubtarget<X86Subtarget>().isLinux())
366 NonexecutableStackDirective = "\t.section\t.note.GNU-stack,\"\",@progbits";
370 X86ELFTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
372 CodeModel::Model CM = X86TM->getCodeModel();
373 bool is64Bit = X86TM->getSubtarget<X86Subtarget>().is64Bit();
375 if (X86TM->getRelocationModel() == Reloc::PIC_) {
379 // 32 bit targets always encode pointers as 4 bytes
380 Format = DW_EH_PE_sdata4;
382 // 64 bit targets encode pointers in 4 bytes iff:
383 // - code model is small OR
384 // - code model is medium and we're emitting externally visible symbols
385 // or any code symbols
386 if (CM == CodeModel::Small ||
387 (CM == CodeModel::Medium && (Global ||
388 Reason != DwarfEncoding::Data)))
389 Format = DW_EH_PE_sdata4;
391 Format = DW_EH_PE_sdata8;
395 Format |= DW_EH_PE_indirect;
397 return (Format | DW_EH_PE_pcrel);
400 (CM == CodeModel::Small ||
401 (CM == CodeModel::Medium && Reason != DwarfEncoding::Data)))
402 return DW_EH_PE_udata4;
404 return DW_EH_PE_absptr;
409 X86ELFTargetAsmInfo::SelectSectionForGlobal(const GlobalValue *GV) const {
410 SectionKind::Kind Kind = SectionKindForGlobal(GV);
412 if (const Function *F = dyn_cast<Function>(GV)) {
413 switch (F->getLinkage()) {
414 default: assert(0 && "Unknown linkage type!");
415 case Function::InternalLinkage:
416 case Function::DLLExportLinkage:
417 case Function::ExternalLinkage:
418 return getTextSection_();
419 case Function::WeakLinkage:
420 case Function::LinkOnceLinkage:
421 std::string Name = UniqueSectionForGlobal(GV, Kind);
422 unsigned Flags = SectionFlagsForGlobal(GV, Name.c_str());
423 return getNamedSection(Name.c_str(), Flags);
425 } else if (const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV)) {
426 if (GVar->isWeakForLinker()) {
427 std::string Name = UniqueSectionForGlobal(GVar, Kind);
428 unsigned Flags = SectionFlagsForGlobal(GVar, Name.c_str());
429 return getNamedSection(Name.c_str(), Flags);
432 case SectionKind::Data:
433 return getDataSection_();
434 case SectionKind::BSS:
435 // ELF targets usually have BSS sections
436 return getBSSSection_();
437 case SectionKind::ROData:
438 return getReadOnlySection_();
439 case SectionKind::RODataMergeStr:
440 return MergeableStringSection(GVar);
441 case SectionKind::RODataMergeConst:
442 return MergeableConstSection(GVar);
443 case SectionKind::ThreadData:
444 // ELF targets usually support TLS stuff
445 return getTLSDataSection_();
446 case SectionKind::ThreadBSS:
447 return getTLSBSSSection_();
449 assert(0 && "Unsuported section kind for global");
453 assert(0 && "Unsupported global");
457 X86ELFTargetAsmInfo::MergeableConstSection(const GlobalVariable *GV) const {
458 const TargetData *TD = X86TM->getTargetData();
459 Constant *C = cast<GlobalVariable>(GV)->getInitializer();
460 const Type *Type = C->getType();
462 // FIXME: string here is temporary, until stuff will fully land in.
463 // We cannot use {Four,Eight,Sixteen}ByteConstantSection here, since it's
464 // currently directly used by asmprinter.
465 unsigned Size = TD->getABITypeSize(Type);
466 if (Size == 4 || Size == 8 || Size == 16) {
467 std::string Name = ".rodata.cst" + utostr(Size);
469 return getNamedSection(Name.c_str(),
470 SectionFlags::setEntitySize(SectionFlags::Mergeable,
474 return getReadOnlySection_();
478 X86ELFTargetAsmInfo::MergeableStringSection(const GlobalVariable *GV) const {
479 const TargetData *TD = X86TM->getTargetData();
480 Constant *C = cast<GlobalVariable>(GV)->getInitializer();
481 const ConstantArray *CVA = cast<ConstantArray>(C);
482 const Type *Type = CVA->getType()->getElementType();
484 unsigned Size = TD->getABITypeSize(Type);
486 // We also need alignment here
487 const TargetData *TD = X86TM->getTargetData();
488 unsigned Align = TD->getPreferredAlignment(GV);
492 std::string Name = getCStringSection() + utostr(Size) + '.' + utostr(Align);
493 unsigned Flags = SectionFlags::setEntitySize(SectionFlags::Mergeable |
494 SectionFlags::Strings,
496 return getNamedSection(Name.c_str(), Flags);
499 return getReadOnlySection_();
502 std::string X86ELFTargetAsmInfo::PrintSectionFlags(unsigned flags) const {
503 std::string Flags = ",\"";
505 if (!(flags & SectionFlags::Debug))
507 if (flags & SectionFlags::Code)
509 if (flags & SectionFlags::Writeable)
511 if (flags & SectionFlags::Mergeable)
513 if (flags & SectionFlags::Strings)
515 if (flags & SectionFlags::TLS)
520 // FIXME: There can be exceptions here
521 if (flags & SectionFlags::BSS)
524 Flags += ",@progbits";
526 if (unsigned entitySize = SectionFlags::getEntitySize(flags))
527 Flags += "," + utostr(entitySize);
532 X86COFFTargetAsmInfo::X86COFFTargetAsmInfo(const X86TargetMachine &TM):
533 X86TargetAsmInfo(TM) {
535 LCOMMDirective = "\t.lcomm\t";
536 COMMDirectiveTakesAlignment = false;
537 HasDotTypeDotSizeDirective = false;
538 StaticCtorsSection = "\t.section .ctors,\"aw\"";
539 StaticDtorsSection = "\t.section .dtors,\"aw\"";
540 HiddenDirective = NULL;
541 PrivateGlobalPrefix = "L"; // Prefix for private global symbols
542 WeakRefDirective = "\t.weak\t";
543 SetDirective = "\t.set\t";
545 // Set up DWARF directives
546 HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
547 AbsoluteDebugSectionOffsets = true;
548 AbsoluteEHSectionOffsets = false;
549 SupportsDebugInformation = true;
550 DwarfSectionOffsetDirective = "\t.secrel32\t";
551 DwarfAbbrevSection = "\t.section\t.debug_abbrev,\"dr\"";
552 DwarfInfoSection = "\t.section\t.debug_info,\"dr\"";
553 DwarfLineSection = "\t.section\t.debug_line,\"dr\"";
554 DwarfFrameSection = "\t.section\t.debug_frame,\"dr\"";
555 DwarfPubNamesSection ="\t.section\t.debug_pubnames,\"dr\"";
556 DwarfPubTypesSection ="\t.section\t.debug_pubtypes,\"dr\"";
557 DwarfStrSection = "\t.section\t.debug_str,\"dr\"";
558 DwarfLocSection = "\t.section\t.debug_loc,\"dr\"";
559 DwarfARangesSection = "\t.section\t.debug_aranges,\"dr\"";
560 DwarfRangesSection = "\t.section\t.debug_ranges,\"dr\"";
561 DwarfMacInfoSection = "\t.section\t.debug_macinfo,\"dr\"";
565 X86COFFTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
567 CodeModel::Model CM = X86TM->getCodeModel();
568 bool is64Bit = X86TM->getSubtarget<X86Subtarget>().is64Bit();
570 if (X86TM->getRelocationModel() == Reloc::PIC_) {
574 // 32 bit targets always encode pointers as 4 bytes
575 Format = DW_EH_PE_sdata4;
577 // 64 bit targets encode pointers in 4 bytes iff:
578 // - code model is small OR
579 // - code model is medium and we're emitting externally visible symbols
580 // or any code symbols
581 if (CM == CodeModel::Small ||
582 (CM == CodeModel::Medium && (Global ||
583 Reason != DwarfEncoding::Data)))
584 Format = DW_EH_PE_sdata4;
586 Format = DW_EH_PE_sdata8;
590 Format |= DW_EH_PE_indirect;
592 return (Format | DW_EH_PE_pcrel);
595 (CM == CodeModel::Small ||
596 (CM == CodeModel::Medium && Reason != DwarfEncoding::Data)))
597 return DW_EH_PE_udata4;
599 return DW_EH_PE_absptr;
604 X86COFFTargetAsmInfo::UniqueSectionForGlobal(const GlobalValue* GV,
605 SectionKind::Kind kind) const {
607 case SectionKind::Text:
608 return ".text$linkonce" + GV->getName();
609 case SectionKind::Data:
610 case SectionKind::BSS:
611 case SectionKind::ThreadData:
612 case SectionKind::ThreadBSS:
613 return ".data$linkonce" + GV->getName();
614 case SectionKind::ROData:
615 case SectionKind::RODataMergeConst:
616 case SectionKind::RODataMergeStr:
617 return ".rdata$linkonce" + GV->getName();
619 assert(0 && "Unknown section kind");
623 std::string X86COFFTargetAsmInfo::PrintSectionFlags(unsigned flags) const {
624 std::string Flags = ",\"";
626 if (flags & SectionFlags::Code)
628 if (flags & SectionFlags::Writeable)
636 X86WinTargetAsmInfo::X86WinTargetAsmInfo(const X86TargetMachine &TM):
637 X86TargetAsmInfo(TM) {
641 PrivateGlobalPrefix = "$";
642 AlignDirective = "\talign\t";
643 ZeroDirective = "\tdb\t";
644 ZeroDirectiveSuffix = " dup(0)";
645 AsciiDirective = "\tdb\t";
647 Data8bitsDirective = "\tdb\t";
648 Data16bitsDirective = "\tdw\t";
649 Data32bitsDirective = "\tdd\t";
650 Data64bitsDirective = "\tdq\t";
651 HasDotTypeDotSizeDirective = false;
653 TextSection = "_text";
654 DataSection = "_data";
655 JumpTableDataSection = NULL;
656 SwitchToSectionDirective = "";
657 TextSectionStartSuffix = "\tsegment 'CODE'";
658 DataSectionStartSuffix = "\tsegment 'DATA'";
659 SectionEndDirectiveSuffix = "\tends\n";