1 //===-- llvm/Target/TargetAsmInfo.h - Asm info ------------------*- 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 a class to be used as the basis for target specific
11 // asm writers. This class primarily takes care of global printing constants,
12 // which are used in very similar ways across all targets.
14 //===----------------------------------------------------------------------===//
16 #ifndef LLVM_TARGET_ASM_INFO_H
17 #define LLVM_TARGET_ASM_INFO_H
19 #include "llvm/ADT/DenseMap.h"
20 #include "llvm/ADT/StringMap.h"
21 #include "llvm/Support/DataTypes.h"
25 // DWARF encoding query type
26 namespace DwarfEncoding {
34 namespace SectionKind {
36 Unknown = 0, ///< Custom section
37 Text, ///< Text section
38 Data, ///< Data section
39 DataRel, ///< Contains data that has relocations
40 DataRelLocal, ///< Contains data that has only local relocations
42 ROData, ///< Readonly data section
43 DataRelRO, ///< Contains data that is otherwise readonly
44 DataRelROLocal, ///< Contains r/o data with only local relocations
45 RODataMergeStr, ///< Readonly data section (mergeable strings)
46 RODataMergeConst, ///< Readonly data section (mergeable constants)
47 SmallData, ///< Small data section
48 SmallBSS, ///< Small bss section
49 SmallROData, ///< Small readonly section
50 ThreadData, ///< Initialized TLS data objects
51 ThreadBSS ///< Uninitialized TLS data objects
54 static inline bool isReadOnly(Kind K) {
55 return (K == SectionKind::ROData ||
56 K == SectionKind::RODataMergeConst ||
57 K == SectionKind::RODataMergeStr ||
58 K == SectionKind::SmallROData);
61 static inline bool isBSS(Kind K) {
62 return (K == SectionKind::BSS ||
63 K == SectionKind::SmallBSS);
67 namespace SectionFlags {
68 const unsigned Invalid = -1U;
69 const unsigned None = 0;
70 const unsigned Code = 1 << 0; ///< Section contains code
71 const unsigned Writeable = 1 << 1; ///< Section is writeable
72 const unsigned BSS = 1 << 2; ///< Section contains only zeroes
73 const unsigned Mergeable = 1 << 3; ///< Section contains mergeable data
74 const unsigned Strings = 1 << 4; ///< Section contains C-type strings
75 const unsigned TLS = 1 << 5; ///< Section contains thread-local data
76 const unsigned Debug = 1 << 6; ///< Section contains debug data
77 const unsigned Linkonce = 1 << 7; ///< Section is linkonce
78 const unsigned Small = 1 << 8; ///< Section is small
79 const unsigned TypeFlags = 0xFF;
80 // Some gap for future flags
81 const unsigned Named = 1 << 23; ///< Section is named
82 const unsigned EntitySize = 0xFF << 24; ///< Entity size for mergeable stuff
84 static inline unsigned getEntitySize(unsigned Flags) {
85 return (Flags >> 24) & 0xFF;
88 static inline unsigned setEntitySize(unsigned Flags, unsigned Size) {
89 return ((Flags & ~EntitySize) | ((Size & 0xFF) << 24));
93 static inline unsigned getEmptyKey() { return Invalid; }
94 static inline unsigned getTombstoneKey() { return Invalid - 1; }
95 static unsigned getHashValue(const unsigned &Key) { return Key; }
96 static bool isEqual(unsigned LHS, unsigned RHS) { return LHS == RHS; }
97 static bool isPod() { return true; }
100 typedef DenseMap<unsigned, std::string, KeyInfo> FlagsStringsMapType;
110 friend class TargetAsmInfo;
111 friend class StringMapEntry<Section>;
112 friend class StringMap<Section>;
116 explicit Section(unsigned F = SectionFlags::Invalid):Flags(F) { }
120 bool isNamed() const { return Flags & SectionFlags::Named; }
121 unsigned getEntitySize() const { return (Flags >> 24) & 0xFF; }
123 const std::string& getName() const { return Name; }
124 unsigned getFlags() const { return Flags; }
127 /// TargetAsmInfo - This class is intended to be used as a base class for asm
128 /// properties and features specific to the target.
129 class TargetAsmInfo {
131 mutable StringMap<Section> Sections;
132 mutable SectionFlags::FlagsStringsMapType FlagsStrings;
133 void fillDefaultValues();
135 /// TM - The current TargetMachine.
136 const TargetMachine &TM;
138 //===------------------------------------------------------------------===//
139 // Properties to be set by the target writer, used to configure asm printer.
142 /// TextSection - Section directive for standard text.
144 const Section *TextSection; // Defaults to ".text".
146 /// DataSection - Section directive for standard data.
148 const Section *DataSection; // Defaults to ".data".
150 /// BSSSection - Section directive for uninitialized data. Null if this
151 /// target doesn't support a BSS section.
153 const char *BSSSection; // Default to ".bss".
154 const Section *BSSSection_;
156 /// ReadOnlySection - This is the directive that is emitted to switch to a
157 /// read-only section for constant data (e.g. data declared const,
159 const Section *ReadOnlySection; // Defaults to NULL
161 /// SmallDataSection - This is the directive that is emitted to switch to a
162 /// small data section.
164 const Section *SmallDataSection; // Defaults to NULL
166 /// SmallBSSSection - This is the directive that is emitted to switch to a
167 /// small bss section.
169 const Section *SmallBSSSection; // Defaults to NULL
171 /// SmallRODataSection - This is the directive that is emitted to switch to
172 /// a small read-only data section.
174 const Section *SmallRODataSection; // Defaults to NULL
176 /// TLSDataSection - Section directive for Thread Local data.
178 const Section *TLSDataSection; // Defaults to ".tdata".
180 /// TLSBSSSection - Section directive for Thread Local uninitialized data.
181 /// Null if this target doesn't support a BSS section.
183 const Section *TLSBSSSection; // Defaults to ".tbss".
185 /// ZeroFillDirective - Directive for emitting a global to the ZeroFill
186 /// section on this target. Null if this target doesn't support zerofill.
187 const char *ZeroFillDirective; // Default is null.
189 /// NonexecutableStackDirective - Directive for declaring to the
190 /// linker and beyond that the emitted code does not require stack
191 /// memory to be executable.
192 const char *NonexecutableStackDirective; // Default is null.
194 /// NeedsSet - True if target asm treats expressions in data directives
195 /// as linktime-relocatable. For assembly-time computation, we need to
196 /// use a .set. Thus:
199 /// is computed at assembly time, while
201 /// is relocated if the relative locations of x and y change at linktime.
202 /// We want both these things in different places.
203 bool NeedsSet; // Defaults to false.
205 /// MaxInstLength - This is the maximum possible length of an instruction,
206 /// which is needed to compute the size of an inline asm.
207 unsigned MaxInstLength; // Defaults to 4.
209 /// PCSymbol - The symbol used to represent the current PC. Used in PC
210 /// relative expressions.
211 const char *PCSymbol; // Defaults to "$".
213 /// SeparatorChar - This character, if specified, is used to separate
214 /// instructions from each other when on the same line. This is used to
215 /// measure inline asm instructions.
216 char SeparatorChar; // Defaults to ';'
218 /// CommentString - This indicates the comment character used by the
220 const char *CommentString; // Defaults to "#"
222 /// GlobalPrefix - If this is set to a non-empty string, it is prepended
223 /// onto all global symbols. This is often used for "_" or ".".
224 const char *GlobalPrefix; // Defaults to ""
226 /// PrivateGlobalPrefix - This prefix is used for globals like constant
227 /// pool entries that are completely private to the .s file and should not
228 /// have names in the .o file. This is often "." or "L".
229 const char *PrivateGlobalPrefix; // Defaults to "."
231 /// LessPrivateGlobalPrefix - This prefix is used for symbols that should
232 /// be passed through the assembler but be removed by the linker. This
233 /// is "l" on Darwin, currently used for some ObjC metadata.
234 const char *LessPrivateGlobalPrefix; // Defaults to ""
236 /// JumpTableSpecialLabelPrefix - If not null, a extra (dead) label is
237 /// emitted before jump tables with the specified prefix.
238 const char *JumpTableSpecialLabelPrefix; // Default to null.
240 /// GlobalVarAddrPrefix/Suffix - If these are nonempty, these strings
241 /// will enclose any GlobalVariable (that isn't a function)
243 const char *GlobalVarAddrPrefix; // Defaults to ""
244 const char *GlobalVarAddrSuffix; // Defaults to ""
246 /// FunctionAddrPrefix/Suffix - If these are nonempty, these strings
247 /// will enclose any GlobalVariable that points to a function.
248 /// For example, this is used by the IA64 backend to materialize
249 /// function descriptors, by decorating the ".data8" object with the
250 /// @verbatim @fptr( ) @endverbatim
251 /// link-relocation operator.
253 const char *FunctionAddrPrefix; // Defaults to ""
254 const char *FunctionAddrSuffix; // Defaults to ""
256 /// PersonalityPrefix/Suffix - If these are nonempty, these strings will
257 /// enclose any personality function in the common frame section.
259 const char *PersonalityPrefix; // Defaults to ""
260 const char *PersonalitySuffix; // Defaults to ""
262 /// NeedsIndirectEncoding - If set, we need to set the indirect encoding bit
265 bool NeedsIndirectEncoding; // Defaults to false
267 /// InlineAsmStart/End - If these are nonempty, they contain a directive to
268 /// emit before and after an inline assembly statement.
269 const char *InlineAsmStart; // Defaults to "#APP\n"
270 const char *InlineAsmEnd; // Defaults to "#NO_APP\n"
272 /// AssemblerDialect - Which dialect of an assembler variant to use.
273 unsigned AssemblerDialect; // Defaults to 0
275 /// StringConstantPrefix - Prefix for FEs to use when generating unnamed
276 /// constant strings. These names get run through the Mangler later; if
277 /// you want the Mangler not to add the GlobalPrefix as well,
278 /// use '\1' as the first character.
279 const char *StringConstantPrefix; // Defaults to ".str"
281 //===--- Data Emission Directives -------------------------------------===//
283 /// ZeroDirective - this should be set to the directive used to get some
284 /// number of zero bytes emitted to the current section. Common cases are
285 /// "\t.zero\t" and "\t.space\t". If this is set to null, the
286 /// Data*bitsDirective's will be used to emit zero bytes.
287 const char *ZeroDirective; // Defaults to "\t.zero\t"
288 const char *ZeroDirectiveSuffix; // Defaults to ""
290 /// AsciiDirective - This directive allows emission of an ascii string with
291 /// the standard C escape characters embedded into it.
292 const char *AsciiDirective; // Defaults to "\t.ascii\t"
294 /// AscizDirective - If not null, this allows for special handling of
295 /// zero terminated strings on this target. This is commonly supported as
296 /// ".asciz". If a target doesn't support this, it can be set to null.
297 const char *AscizDirective; // Defaults to "\t.asciz\t"
299 /// DataDirectives - These directives are used to output some unit of
300 /// integer data to the current section. If a data directive is set to
301 /// null, smaller data directives will be used to emit the large sizes.
302 const char *Data8bitsDirective; // Defaults to "\t.byte\t"
303 const char *Data16bitsDirective; // Defaults to "\t.short\t"
304 const char *Data32bitsDirective; // Defaults to "\t.long\t"
305 const char *Data64bitsDirective; // Defaults to "\t.quad\t"
307 /// getASDirective - Targets can override it to provide different data
308 /// directives for various sizes and non-default address spaces.
309 virtual const char *getASDirective(unsigned size,
312 && "Dont know the directives for default addr space");
316 //===--- Alignment Information ----------------------------------------===//
318 /// AlignDirective - The directive used to emit round up to an alignment
321 const char *AlignDirective; // Defaults to "\t.align\t"
323 /// AlignmentIsInBytes - If this is true (the default) then the asmprinter
324 /// emits ".align N" directives, where N is the number of bytes to align to.
325 /// Otherwise, it emits ".align log2(N)", e.g. 3 to align to an 8 byte
327 bool AlignmentIsInBytes; // Defaults to true
329 /// TextAlignFillValue - If non-zero, this is used to fill the executable
330 /// space created as the result of a alignment directive.
331 unsigned TextAlignFillValue;
333 //===--- Section Switching Directives ---------------------------------===//
335 /// SwitchToSectionDirective - This is the directive used when we want to
336 /// emit a global to an arbitrary section. The section name is emited after
338 const char *SwitchToSectionDirective; // Defaults to "\t.section\t"
340 /// TextSectionStartSuffix - This is printed after each start of section
341 /// directive for text sections.
342 const char *TextSectionStartSuffix; // Defaults to "".
344 /// DataSectionStartSuffix - This is printed after each start of section
345 /// directive for data sections.
346 const char *DataSectionStartSuffix; // Defaults to "".
348 /// SectionEndDirectiveSuffix - If non-null, the asm printer will close each
349 /// section with the section name and this suffix printed.
350 const char *SectionEndDirectiveSuffix;// Defaults to null.
352 /// ConstantPoolSection - This is the section that we SwitchToSection right
353 /// before emitting the constant pool for a function.
354 const char *ConstantPoolSection; // Defaults to "\t.section .rodata"
356 /// JumpTableDataSection - This is the section that we SwitchToSection right
357 /// before emitting the jump tables for a function when the relocation model
359 const char *JumpTableDataSection; // Defaults to "\t.section .rodata"
361 /// JumpTableDirective - if non-null, the directive to emit before a jump
363 const char *JumpTableDirective;
365 /// CStringSection - If not null, this allows for special handling of
366 /// cstring constants (null terminated string that does not contain any
367 /// other null bytes) on this target. This is commonly supported as
369 const char *CStringSection; // Defaults to NULL
370 const Section *CStringSection_;
372 /// StaticCtorsSection - This is the directive that is emitted to switch to
373 /// a section to emit the static constructor list.
374 /// Defaults to "\t.section .ctors,\"aw\",@progbits".
375 const char *StaticCtorsSection;
377 /// StaticDtorsSection - This is the directive that is emitted to switch to
378 /// a section to emit the static destructor list.
379 /// Defaults to "\t.section .dtors,\"aw\",@progbits".
380 const char *StaticDtorsSection;
382 //===--- Global Variable Emission Directives --------------------------===//
384 /// GlobalDirective - This is the directive used to declare a global entity.
386 const char *GlobalDirective; // Defaults to NULL.
388 /// ExternDirective - This is the directive used to declare external
391 const char *ExternDirective; // Defaults to NULL.
393 /// SetDirective - This is the name of a directive that can be used to tell
394 /// the assembler to set the value of a variable to some expression.
395 const char *SetDirective; // Defaults to null.
397 /// LCOMMDirective - This is the name of a directive (if supported) that can
398 /// be used to efficiently declare a local (internal) block of zero
399 /// initialized data in the .bss/.data section. The syntax expected is:
400 /// @verbatim <LCOMMDirective> SYMBOLNAME LENGTHINBYTES, ALIGNMENT
402 const char *LCOMMDirective; // Defaults to null.
404 const char *COMMDirective; // Defaults to "\t.comm\t".
406 /// COMMDirectiveTakesAlignment - True if COMMDirective take a third
407 /// argument that specifies the alignment of the declaration.
408 bool COMMDirectiveTakesAlignment; // Defaults to true.
410 /// HasDotTypeDotSizeDirective - True if the target has .type and .size
411 /// directives, this is true for most ELF targets.
412 bool HasDotTypeDotSizeDirective; // Defaults to true.
414 /// HasSingleParameterDotFile - True if the target has a single parameter
415 /// .file directive, this is true for ELF targets.
416 bool HasSingleParameterDotFile; // Defaults to true.
418 /// UsedDirective - This directive, if non-null, is used to declare a global
419 /// as being used somehow that the assembler can't see. This prevents dead
420 /// code elimination on some targets.
421 const char *UsedDirective; // Defaults to null.
423 /// WeakRefDirective - This directive, if non-null, is used to declare a
424 /// global as being a weak undefined symbol.
425 const char *WeakRefDirective; // Defaults to null.
427 /// WeakDefDirective - This directive, if non-null, is used to declare a
428 /// global as being a weak defined symbol.
429 const char *WeakDefDirective; // Defaults to null.
431 /// HiddenDirective - This directive, if non-null, is used to declare a
432 /// global or function as having hidden visibility.
433 const char *HiddenDirective; // Defaults to "\t.hidden\t".
435 /// ProtectedDirective - This directive, if non-null, is used to declare a
436 /// global or function as having protected visibility.
437 const char *ProtectedDirective; // Defaults to "\t.protected\t".
439 //===--- Dwarf Emission Directives -----------------------------------===//
441 /// AbsoluteDebugSectionOffsets - True if we should emit abolute section
442 /// offsets for debug information. Defaults to false.
443 bool AbsoluteDebugSectionOffsets;
445 /// AbsoluteEHSectionOffsets - True if we should emit abolute section
446 /// offsets for EH information. Defaults to false.
447 bool AbsoluteEHSectionOffsets;
449 /// HasLEB128 - True if target asm supports leb128 directives.
451 bool HasLEB128; // Defaults to false.
453 /// hasDotLocAndDotFile - True if target asm supports .loc and .file
454 /// directives for emitting debugging information.
456 bool HasDotLocAndDotFile; // Defaults to false.
458 /// SupportsDebugInformation - True if target supports emission of debugging
460 bool SupportsDebugInformation;
462 /// SupportsExceptionHandling - True if target supports
463 /// exception handling.
465 bool SupportsExceptionHandling; // Defaults to false.
467 /// RequiresFrameSection - true if the Dwarf2 output needs a frame section
469 bool DwarfRequiresFrameSection; // Defaults to true.
471 /// DwarfUsesInlineInfoSection - True if DwarfDebugInlineSection is used to
472 /// encode inline subroutine information.
473 bool DwarfUsesInlineInfoSection; // Defaults to false.
475 /// SupportsMacInfo - true if the Dwarf output supports macro information
477 bool SupportsMacInfoSection; // Defaults to true
479 /// NonLocalEHFrameLabel - If set, the EH_frame label needs to be non-local.
481 bool NonLocalEHFrameLabel; // Defaults to false.
483 /// GlobalEHDirective - This is the directive used to make exception frame
484 /// tables globally visible.
486 const char *GlobalEHDirective; // Defaults to NULL.
488 /// SupportsWeakEmptyEHFrame - True if target assembler and linker will
489 /// handle a weak_definition of constant 0 for an omitted EH frame.
490 bool SupportsWeakOmittedEHFrame; // Defaults to true.
492 /// DwarfSectionOffsetDirective - Special section offset directive.
493 const char* DwarfSectionOffsetDirective; // Defaults to NULL
495 /// DwarfAbbrevSection - Section directive for Dwarf abbrev.
497 const char *DwarfAbbrevSection; // Defaults to ".debug_abbrev".
499 /// DwarfInfoSection - Section directive for Dwarf info.
501 const char *DwarfInfoSection; // Defaults to ".debug_info".
503 /// DwarfLineSection - Section directive for Dwarf info.
505 const char *DwarfLineSection; // Defaults to ".debug_line".
507 /// DwarfFrameSection - Section directive for Dwarf info.
509 const char *DwarfFrameSection; // Defaults to ".debug_frame".
511 /// DwarfPubNamesSection - Section directive for Dwarf info.
513 const char *DwarfPubNamesSection; // Defaults to ".debug_pubnames".
515 /// DwarfPubTypesSection - Section directive for Dwarf info.
517 const char *DwarfPubTypesSection; // Defaults to ".debug_pubtypes".
519 /// DwarfDebugInlineSection - Section directive for inline info.
521 const char *DwarfDebugInlineSection; // Defaults to ".debug_inlined"
523 /// DwarfStrSection - Section directive for Dwarf info.
525 const char *DwarfStrSection; // Defaults to ".debug_str".
527 /// DwarfLocSection - Section directive for Dwarf info.
529 const char *DwarfLocSection; // Defaults to ".debug_loc".
531 /// DwarfARangesSection - Section directive for Dwarf info.
533 const char *DwarfARangesSection; // Defaults to ".debug_aranges".
535 /// DwarfRangesSection - Section directive for Dwarf info.
537 const char *DwarfRangesSection; // Defaults to ".debug_ranges".
539 /// DwarfMacInfoSection - Section directive for Dwarf info.
541 const char *DwarfMacInfoSection; // Defaults to ".debug_macinfo".
543 /// DwarfEHFrameSection - Section directive for Exception frames.
545 const char *DwarfEHFrameSection; // Defaults to ".eh_frame".
547 /// DwarfExceptionSection - Section directive for Exception table.
549 const char *DwarfExceptionSection; // Defaults to ".gcc_except_table".
551 //===--- CBE Asm Translation Table -----------------------------------===//
553 const char *const *AsmTransCBE; // Defaults to empty
556 explicit TargetAsmInfo(const TargetMachine &TM);
557 virtual ~TargetAsmInfo();
559 const Section* getNamedSection(const char *Name,
560 unsigned Flags = SectionFlags::None,
561 bool Override = false) const;
562 const Section* getUnnamedSection(const char *Directive,
563 unsigned Flags = SectionFlags::None,
564 bool Override = false) const;
566 /// Measure the specified inline asm to determine an approximation of its
568 virtual unsigned getInlineAsmLength(const char *Str) const;
570 /// ExpandInlineAsm - This hook allows the target to expand an inline asm
571 /// call to be explicit llvm code if it wants to. This is useful for
572 /// turning simple inline asms into LLVM intrinsics, which gives the
573 /// compiler more information about the behavior of the code.
574 virtual bool ExpandInlineAsm(CallInst *CI) const {
578 /// emitUsedDirectiveFor - This hook allows targets to selectively decide
579 /// not to emit the UsedDirective for some symbols in llvm.used.
580 virtual bool emitUsedDirectiveFor(const GlobalValue *GV,
581 Mangler *Mang) const {
585 /// PreferredEHDataFormat - This hook allows the target to select data
586 /// format used for encoding pointers in exception handling data. Reason is
587 /// 0 for data, 1 for code labels, 2 for function pointers. Global is true
588 /// if the symbol can be relocated.
589 virtual unsigned PreferredEHDataFormat(DwarfEncoding::Target Reason,
592 /// SectionKindForGlobal - This hook allows the target to select proper
593 /// section kind used for global emission.
594 virtual SectionKind::Kind
595 SectionKindForGlobal(const GlobalValue *GV) const;
597 /// RelocBehaviour - Describes how relocations should be treated when
598 /// selecting sections. Reloc::Global bit should be set if global
599 /// relocations should force object to be placed in read-write
600 /// sections. Reloc::Local bit should be set if local relocations should
601 /// force object to be placed in read-write sections.
602 virtual unsigned RelocBehaviour() const;
604 /// SectionFlagsForGlobal - This hook allows the target to select proper
605 /// section flags either for given global or for section.
607 SectionFlagsForGlobal(const GlobalValue *GV = NULL,
608 const char* name = NULL) const;
610 /// SectionForGlobal - This hooks returns proper section name for given
611 /// global with all necessary flags and marks.
612 virtual const Section* SectionForGlobal(const GlobalValue *GV) const;
614 // Helper methods for SectionForGlobal
615 virtual std::string UniqueSectionForGlobal(const GlobalValue* GV,
616 SectionKind::Kind kind) const;
618 const std::string& getSectionFlags(unsigned Flags) const;
619 virtual std::string printSectionFlags(unsigned flags) const { return ""; }
621 virtual const Section* SelectSectionForGlobal(const GlobalValue *GV) const;
623 virtual const Section* SelectSectionForMachineConst(const Type *Ty) const;
625 /// getSLEB128Size - Compute the number of bytes required for a signed
628 static unsigned getSLEB128Size(int Value);
630 /// getULEB128Size - Compute the number of bytes required for an unsigned
633 static unsigned getULEB128Size(unsigned Value);
635 // Data directive accessors
637 const char *getData8bitsDirective(unsigned AS = 0) const {
638 return AS == 0 ? Data8bitsDirective : getASDirective(8, AS);
640 const char *getData16bitsDirective(unsigned AS = 0) const {
641 return AS == 0 ? Data16bitsDirective : getASDirective(16, AS);
643 const char *getData32bitsDirective(unsigned AS = 0) const {
644 return AS == 0 ? Data32bitsDirective : getASDirective(32, AS);
646 const char *getData64bitsDirective(unsigned AS = 0) const {
647 return AS == 0 ? Data64bitsDirective : getASDirective(64, AS);
653 const Section *getTextSection() const {
656 const Section *getDataSection() const {
659 const char *getBSSSection() const {
662 const Section *getBSSSection_() const {
665 const Section *getReadOnlySection() const {
666 return ReadOnlySection;
668 const Section *getSmallDataSection() const {
669 return SmallDataSection;
671 const Section *getSmallBSSSection() const {
672 return SmallBSSSection;
674 const Section *getSmallRODataSection() const {
675 return SmallRODataSection;
677 const Section *getTLSDataSection() const {
678 return TLSDataSection;
680 const Section *getTLSBSSSection() const {
681 return TLSBSSSection;
683 const char *getZeroFillDirective() const {
684 return ZeroFillDirective;
686 const char *getNonexecutableStackDirective() const {
687 return NonexecutableStackDirective;
689 bool needsSet() const {
692 const char *getPCSymbol() const {
695 char getSeparatorChar() const {
696 return SeparatorChar;
698 const char *getCommentString() const {
699 return CommentString;
701 const char *getGlobalPrefix() const {
704 const char *getPrivateGlobalPrefix() const {
705 return PrivateGlobalPrefix;
707 /// EHGlobalPrefix - Prefix for EH_frame and the .eh symbols.
708 /// This is normally PrivateGlobalPrefix, but some targets want
709 /// these symbols to be visible.
710 virtual const char *getEHGlobalPrefix() const {
711 return PrivateGlobalPrefix;
713 const char *getLessPrivateGlobalPrefix() const {
714 return LessPrivateGlobalPrefix;
716 const char *getJumpTableSpecialLabelPrefix() const {
717 return JumpTableSpecialLabelPrefix;
719 const char *getGlobalVarAddrPrefix() const {
720 return GlobalVarAddrPrefix;
722 const char *getGlobalVarAddrSuffix() const {
723 return GlobalVarAddrSuffix;
725 const char *getFunctionAddrPrefix() const {
726 return FunctionAddrPrefix;
728 const char *getFunctionAddrSuffix() const {
729 return FunctionAddrSuffix;
731 const char *getPersonalityPrefix() const {
732 return PersonalityPrefix;
734 const char *getPersonalitySuffix() const {
735 return PersonalitySuffix;
737 bool getNeedsIndirectEncoding() const {
738 return NeedsIndirectEncoding;
740 const char *getInlineAsmStart() const {
741 return InlineAsmStart;
743 const char *getInlineAsmEnd() const {
746 unsigned getAssemblerDialect() const {
747 return AssemblerDialect;
749 const char *getStringConstantPrefix() const {
750 return StringConstantPrefix;
752 const char *getZeroDirective() const {
753 return ZeroDirective;
755 const char *getZeroDirectiveSuffix() const {
756 return ZeroDirectiveSuffix;
758 const char *getAsciiDirective() const {
759 return AsciiDirective;
761 const char *getAscizDirective() const {
762 return AscizDirective;
764 const char *getJumpTableDirective() const {
765 return JumpTableDirective;
767 const char *getAlignDirective() const {
768 return AlignDirective;
770 bool getAlignmentIsInBytes() const {
771 return AlignmentIsInBytes;
773 unsigned getTextAlignFillValue() const {
774 return TextAlignFillValue;
776 const char *getSwitchToSectionDirective() const {
777 return SwitchToSectionDirective;
779 const char *getTextSectionStartSuffix() const {
780 return TextSectionStartSuffix;
782 const char *getDataSectionStartSuffix() const {
783 return DataSectionStartSuffix;
785 const char *getSectionEndDirectiveSuffix() const {
786 return SectionEndDirectiveSuffix;
788 const char *getConstantPoolSection() const {
789 return ConstantPoolSection;
791 const char *getJumpTableDataSection() const {
792 return JumpTableDataSection;
794 const char *getCStringSection() const {
795 return CStringSection;
797 const Section *getCStringSection_() const {
798 return CStringSection_;
800 const char *getStaticCtorsSection() const {
801 return StaticCtorsSection;
803 const char *getStaticDtorsSection() const {
804 return StaticDtorsSection;
806 const char *getGlobalDirective() const {
807 return GlobalDirective;
809 const char *getExternDirective() const {
810 return ExternDirective;
812 const char *getSetDirective() const {
815 const char *getLCOMMDirective() const {
816 return LCOMMDirective;
818 const char *getCOMMDirective() const {
819 return COMMDirective;
821 bool getCOMMDirectiveTakesAlignment() const {
822 return COMMDirectiveTakesAlignment;
824 bool hasDotTypeDotSizeDirective() const {
825 return HasDotTypeDotSizeDirective;
827 bool hasSingleParameterDotFile() const {
828 return HasSingleParameterDotFile;
830 const char *getUsedDirective() const {
831 return UsedDirective;
833 const char *getWeakRefDirective() const {
834 return WeakRefDirective;
836 const char *getWeakDefDirective() const {
837 return WeakDefDirective;
839 const char *getHiddenDirective() const {
840 return HiddenDirective;
842 const char *getProtectedDirective() const {
843 return ProtectedDirective;
845 bool isAbsoluteDebugSectionOffsets() const {
846 return AbsoluteDebugSectionOffsets;
848 bool isAbsoluteEHSectionOffsets() const {
849 return AbsoluteEHSectionOffsets;
851 bool hasLEB128() const {
854 bool hasDotLocAndDotFile() const {
855 return HasDotLocAndDotFile;
857 bool doesSupportDebugInformation() const {
858 return SupportsDebugInformation;
860 bool doesSupportExceptionHandling() const {
861 return SupportsExceptionHandling;
863 bool doesDwarfRequireFrameSection() const {
864 return DwarfRequiresFrameSection;
866 bool doesDwarfUsesInlineInfoSection() const {
867 return DwarfUsesInlineInfoSection;
869 bool doesSupportMacInfoSection() const {
870 return SupportsMacInfoSection;
872 bool doesRequireNonLocalEHFrameLabel() const {
873 return NonLocalEHFrameLabel;
875 const char *getGlobalEHDirective() const {
876 return GlobalEHDirective;
878 bool getSupportsWeakOmittedEHFrame() const {
879 return SupportsWeakOmittedEHFrame;
881 const char *getDwarfSectionOffsetDirective() const {
882 return DwarfSectionOffsetDirective;
884 const char *getDwarfAbbrevSection() const {
885 return DwarfAbbrevSection;
887 const char *getDwarfInfoSection() const {
888 return DwarfInfoSection;
890 const char *getDwarfLineSection() const {
891 return DwarfLineSection;
893 const char *getDwarfFrameSection() const {
894 return DwarfFrameSection;
896 const char *getDwarfPubNamesSection() const {
897 return DwarfPubNamesSection;
899 const char *getDwarfPubTypesSection() const {
900 return DwarfPubTypesSection;
902 const char *getDwarfDebugInlineSection() const {
903 return DwarfDebugInlineSection;
905 const char *getDwarfStrSection() const {
906 return DwarfStrSection;
908 const char *getDwarfLocSection() const {
909 return DwarfLocSection;
911 const char *getDwarfARangesSection() const {
912 return DwarfARangesSection;
914 const char *getDwarfRangesSection() const {
915 return DwarfRangesSection;
917 const char *getDwarfMacInfoSection() const {
918 return DwarfMacInfoSection;
920 const char *getDwarfEHFrameSection() const {
921 return DwarfEHFrameSection;
923 const char *getDwarfExceptionSection() const {
924 return DwarfExceptionSection;
926 const char *const *getAsmCBE() const {