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MCAsmInfo.h
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1 //===-- llvm/MC/MCAsmInfo.h - Asm info --------------------------*- C++ -*-===//
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 // This file contains a class to be used as the basis for target specific
10 // asm writers. This class primarily takes care of global printing constants,
11 // which are used in very similar ways across all targets.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_MC_MCASMINFO_H
16 #define LLVM_MC_MCASMINFO_H
17 
18 #include "llvm/ADT/StringRef.h"
19 #include "llvm/MC/MCDirectives.h"
21 #include <vector>
22 
23 namespace llvm {
24 
25 class MCContext;
26 class MCCFIInstruction;
27 class MCExpr;
28 class MCSection;
29 class MCStreamer;
30 class MCSubtargetInfo;
31 class MCSymbol;
32 
33 namespace WinEH {
34 
35 enum class EncodingType {
36  Invalid, /// Invalid
37  Alpha, /// Windows Alpha
38  Alpha64, /// Windows AXP64
39  ARM, /// Windows NT (Windows on ARM)
40  CE, /// Windows CE ARM, PowerPC, SH3, SH4
41  Itanium, /// Windows x64, Windows Itanium (IA-64)
42  X86, /// Windows x86, uses no CFI, just EH tables
43  MIPS = Alpha,
44 };
45 
46 } // end namespace WinEH
47 
48 namespace LCOMM {
49 
51 
52 } // end namespace LCOMM
53 
54 /// This class is intended to be used as a base class for asm
55 /// properties and features specific to the target.
56 class MCAsmInfo {
57 public:
58  /// Assembly character literal syntax types.
60  ACLS_Unknown, /// Unknown; character literals not used by LLVM for this
61  /// target.
62  ACLS_SingleQuotePrefix, /// The desired character is prefixed by a single
63  /// quote, e.g., `'A`.
64  };
65 
66 protected:
67  //===------------------------------------------------------------------===//
68  // Properties to be set by the target writer, used to configure asm printer.
69  //
70 
71  /// Code pointer size in bytes. Default is 4.
72  unsigned CodePointerSize = 4;
73 
74  /// Size of the stack slot reserved for callee-saved registers, in bytes.
75  /// Default is same as pointer size.
77 
78  /// True if target is little endian. Default is true.
79  bool IsLittleEndian = true;
80 
81  /// True if target stack grow up. Default is false.
82  bool StackGrowsUp = false;
83 
84  /// True if this target has the MachO .subsections_via_symbols directive.
85  /// Default is false.
87 
88  /// True if this is a MachO target that supports the macho-specific .zerofill
89  /// directive for emitting BSS Symbols. Default is false.
91 
92  /// True if this is a MachO target that supports the macho-specific .tbss
93  /// directive for emitting thread local BSS Symbols. Default is false.
94  bool HasMachoTBSSDirective = false;
95 
96  /// True if this is a non-GNU COFF target. The COFF port of the GNU linker
97  /// doesn't handle associative comdats in the way that we would like to use
98  /// them.
100 
101  /// True if this is a non-GNU COFF target. For GNU targets, we don't generate
102  /// constants into comdat sections.
104 
105  /// True if this is an XCOFF target that supports visibility attributes as
106  /// part of .global, .weak, .extern, and .comm. Default is false.
108 
109  /// This is the maximum possible length of an instruction, which is needed to
110  /// compute the size of an inline asm. Defaults to 4.
111  unsigned MaxInstLength = 4;
112 
113  /// Every possible instruction length is a multiple of this value. Factored
114  /// out in .debug_frame and .debug_line. Defaults to 1.
115  unsigned MinInstAlignment = 1;
116 
117  /// The '$' token, when not referencing an identifier or constant, refers to
118  /// the current PC. Defaults to false.
119  bool DollarIsPC = false;
120 
121  /// This string, if specified, is used to separate instructions from each
122  /// other when on the same line. Defaults to ';'
123  const char *SeparatorString;
124 
125  /// This indicates the comment character used by the assembler. Defaults to
126  /// "#"
128 
129  /// This is appended to emitted labels. Defaults to ":"
130  const char *LabelSuffix;
131 
132  // Print the EH begin symbol with an assignment. Defaults to false.
134 
135  // Do we need to create a local symbol for .size?
136  bool NeedsLocalForSize = false;
137 
138  /// This prefix is used for globals like constant pool entries that are
139  /// completely private to the .s file and should not have names in the .o
140  /// file. Defaults to "L"
142 
143  /// This prefix is used for labels for basic blocks. Defaults to the same as
144  /// PrivateGlobalPrefix.
146 
147  /// This prefix is used for symbols that should be passed through the
148  /// assembler but be removed by the linker. This is 'l' on Darwin, currently
149  /// used for some ObjC metadata. The default of "" meast that for this system
150  /// a plain private symbol should be used. Defaults to "".
152 
153  /// If these are nonempty, they contain a directive to emit before and after
154  /// an inline assembly statement. Defaults to "#APP\n", "#NO_APP\n"
155  const char *InlineAsmStart;
156  const char *InlineAsmEnd;
157 
158  /// These are assembly directives that tells the assembler to interpret the
159  /// following instructions differently. Defaults to ".code16", ".code32",
160  /// ".code64".
161  const char *Code16Directive;
162  const char *Code32Directive;
163  const char *Code64Directive;
164 
165  /// Which dialect of an assembler variant to use. Defaults to 0
166  unsigned AssemblerDialect = 0;
167 
168  /// This is true if the assembler allows @ characters in symbol names.
169  /// Defaults to false.
170  bool AllowAtInName = false;
171 
172  /// This is true if the assembler allows $ @ ? characters at the start of
173  /// symbol names. Defaults to false.
175 
176  /// If this is true, symbol names with invalid characters will be printed in
177  /// quotes.
178  bool SupportsQuotedNames = true;
179 
180  /// This is true if data region markers should be printed as
181  /// ".data_region/.end_data_region" directives. If false, use "$d/$a" labels
182  /// instead.
184 
185  /// True if .align is to be used for alignment. Only power-of-two
186  /// alignment is supported.
188 
189  /// True if the target supports LEB128 directives.
190  bool HasLEB128Directives = true;
191 
192  //===--- Data Emission Directives -------------------------------------===//
193 
194  /// This should be set to the directive used to get some number of zero (and
195  /// non-zero if supported by the directive) bytes emitted to the current
196  /// section. Common cases are "\t.zero\t" and "\t.space\t". Defaults to
197  /// "\t.zero\t"
198  const char *ZeroDirective;
199 
200  /// This should be set to true if the zero directive supports a value to emit
201  /// other than zero. If this is set to false, the Data*bitsDirective's will be
202  /// used to emit these bytes. Defaults to true.
204 
205  /// This directive allows emission of an ascii string with the standard C
206  /// escape characters embedded into it. If a target doesn't support this, it
207  /// can be set to null. Defaults to "\t.ascii\t"
208  const char *AsciiDirective;
209 
210  /// If not null, this allows for special handling of zero terminated strings
211  /// on this target. This is commonly supported as ".asciz". If a target
212  /// doesn't support this, it can be set to null. Defaults to "\t.asciz\t"
213  const char *AscizDirective;
214 
215  /// This directive accepts a comma-separated list of bytes for emission as a
216  /// string of bytes. For targets that do not support this, it shall be set to
217  /// null. Defaults to null.
218  const char *ByteListDirective = nullptr;
219 
220  /// Form used for character literals in the assembly syntax. Useful for
221  /// producing strings as byte lists. If a target does not use or support
222  /// this, it shall be set to ACLS_Unknown. Defaults to ACLS_Unknown.
224 
225  /// These directives are used to output some unit of integer data to the
226  /// current section. If a data directive is set to null, smaller data
227  /// directives will be used to emit the large sizes. Defaults to "\t.byte\t",
228  /// "\t.short\t", "\t.long\t", "\t.quad\t"
229  const char *Data8bitsDirective;
230  const char *Data16bitsDirective;
231  const char *Data32bitsDirective;
232  const char *Data64bitsDirective;
233 
234  /// True if data directives support signed values
235  bool SupportsSignedData = true;
236 
237  /// If non-null, a directive that is used to emit a word which should be
238  /// relocated as a 64-bit GP-relative offset, e.g. .gpdword on Mips. Defaults
239  /// to nullptr.
240  const char *GPRel64Directive = nullptr;
241 
242  /// If non-null, a directive that is used to emit a word which should be
243  /// relocated as a 32-bit GP-relative offset, e.g. .gpword on Mips or .gprel32
244  /// on Alpha. Defaults to nullptr.
245  const char *GPRel32Directive = nullptr;
246 
247  /// If non-null, directives that are used to emit a word/dword which should
248  /// be relocated as a 32/64-bit DTP/TP-relative offset, e.g. .dtprelword/
249  /// .dtpreldword/.tprelword/.tpreldword on Mips.
250  const char *DTPRel32Directive = nullptr;
251  const char *DTPRel64Directive = nullptr;
252  const char *TPRel32Directive = nullptr;
253  const char *TPRel64Directive = nullptr;
254 
255  /// This is true if this target uses "Sun Style" syntax for section switching
256  /// ("#alloc,#write" etc) instead of the normal ELF syntax (,"a,w") in
257  /// .section directives. Defaults to false.
259 
260  /// This is true if this target uses ELF '.section' directive before the
261  /// '.bss' one. It's used for PPC/Linux which doesn't support the '.bss'
262  /// directive only. Defaults to false.
264 
266 
267  //===--- Alignment Information ----------------------------------------===//
268 
269  /// If this is true (the default) then the asmprinter emits ".align N"
270  /// directives, where N is the number of bytes to align to. Otherwise, it
271  /// emits ".align log2(N)", e.g. 3 to align to an 8 byte boundary. Defaults
272  /// to true.
273  bool AlignmentIsInBytes = true;
274 
275  /// If non-zero, this is used to fill the executable space created as the
276  /// result of a alignment directive. Defaults to 0
277  unsigned TextAlignFillValue = 0;
278 
279  //===--- Global Variable Emission Directives --------------------------===//
280 
281  /// This is the directive used to declare a global entity. Defaults to
282  /// ".globl".
283  const char *GlobalDirective;
284 
285  /// True if the expression
286  /// .long f - g
287  /// uses a relocation but it can be suppressed by writing
288  /// a = f - g
289  /// .long a
291 
292  /// False if the assembler requires that we use
293  /// \code
294  /// Lc = a - b
295  /// .long Lc
296  /// \endcode
297  //
298  /// instead of
299  //
300  /// \code
301  /// .long a - b
302  /// \endcode
303  ///
304  /// Defaults to true.
306 
307  /// True is .comm's and .lcomms optional alignment is to be specified in bytes
308  /// instead of log2(n). Defaults to true.
310 
311  /// Describes if the .lcomm directive for the target supports an alignment
312  /// argument and how it is interpreted. Defaults to NoAlignment.
314 
315  // True if the target allows .align directives on functions. This is true for
316  // most targets, so defaults to true.
317  bool HasFunctionAlignment = true;
318 
319  /// True if the target has .type and .size directives, this is true for most
320  /// ELF targets. Defaults to true.
322 
323  /// True if the target has a single parameter .file directive, this is true
324  /// for ELF targets. Defaults to true.
326 
327  /// True if the target has a .ident directive, this is true for ELF targets.
328  /// Defaults to false.
329  bool HasIdentDirective = false;
330 
331  /// True if this target supports the MachO .no_dead_strip directive. Defaults
332  /// to false.
333  bool HasNoDeadStrip = false;
334 
335  /// True if this target supports the MachO .alt_entry directive. Defaults to
336  /// false.
337  bool HasAltEntry = false;
338 
339  /// Used to declare a global as being a weak symbol. Defaults to ".weak".
340  const char *WeakDirective;
341 
342  /// This directive, if non-null, is used to declare a global as being a weak
343  /// undefined symbol. Defaults to nullptr.
344  const char *WeakRefDirective = nullptr;
345 
346  /// True if we have a directive to declare a global as being a weak defined
347  /// symbol. Defaults to false.
348  bool HasWeakDefDirective = false;
349 
350  /// True if we have a directive to declare a global as being a weak defined
351  /// symbol that can be hidden (unexported). Defaults to false.
353 
354  /// True if we should mark symbols as global instead of weak, for
355  /// weak*/linkonce*, if the symbol has a comdat.
356  /// Defaults to false.
357  bool AvoidWeakIfComdat = false;
358 
359  /// This attribute, if not MCSA_Invalid, is used to declare a symbol as having
360  /// hidden visibility. Defaults to MCSA_Hidden.
362 
363  /// This attribute, if not MCSA_Invalid, is used to declare an undefined
364  /// symbol as having hidden visibility. Defaults to MCSA_Hidden.
366 
367  /// This attribute, if not MCSA_Invalid, is used to declare a symbol as having
368  /// protected visibility. Defaults to MCSA_Protected
370 
371  //===--- Dwarf Emission Directives -----------------------------------===//
372 
373  /// True if target supports emission of debugging information. Defaults to
374  /// false.
376 
377  /// Exception handling format for the target. Defaults to None.
379 
380  /// Windows exception handling data (.pdata) encoding. Defaults to Invalid.
382 
383  /// True if Dwarf2 output generally uses relocations for references to other
384  /// .debug_* sections.
386 
387  /// True if DWARF FDE symbol reference relocations should be replaced by an
388  /// absolute difference.
390 
391  /// True if dwarf register numbers are printed instead of symbolic register
392  /// names in .cfi_* directives. Defaults to false.
393  bool DwarfRegNumForCFI = false;
394 
395  /// True if target uses parens to indicate the symbol variant instead of @.
396  /// For example, foo(plt) instead of foo@plt. Defaults to false.
398 
399  /// True if the target supports flags in ".loc" directive, false if only
400  /// location is allowed.
402 
403  //===--- Prologue State ----------------------------------------------===//
404 
405  std::vector<MCCFIInstruction> InitialFrameState;
406 
407  //===--- Integrated Assembler Information ----------------------------===//
408 
409  // Generated object files can use all ELF features supported by GNU ld of
410  // this binutils version and later. INT_MAX means all features can be used,
411  // regardless of GNU ld support. The default value is referenced by
412  // clang/Driver/Options.td.
413  std::pair<int, int> BinutilsVersion = {2, 26};
414 
415  /// Should we use the integrated assembler?
416  /// The integrated assembler should be enabled by default (by the
417  /// constructors) when failing to parse a valid piece of assembly (inline
418  /// or otherwise) is considered a bug. It may then be overridden after
419  /// construction (see LLVMTargetMachine::initAsmInfo()).
421 
422  /// Preserve Comments in assembly
424 
425  /// Compress DWARF debug sections. Defaults to no compression.
427 
428  /// True if the integrated assembler should interpret 'a >> b' constant
429  /// expressions as logical rather than arithmetic.
430  bool UseLogicalShr = true;
431 
432  // If true, emit GOTPCRELX/REX_GOTPCRELX instead of GOTPCREL, on
433  // X86_64 ELF.
434  bool RelaxELFRelocations = true;
435 
436  // If true, then the lexer and expression parser will support %neg(),
437  // %hi(), and similar unary operators.
438  bool HasMipsExpressions = false;
439 
440  // If true, emit function descriptor symbol on AIX.
442 
443 public:
444  explicit MCAsmInfo();
445  virtual ~MCAsmInfo();
446 
447  /// Get the code pointer size in bytes.
448  unsigned getCodePointerSize() const { return CodePointerSize; }
449 
450  /// Get the callee-saved register stack slot
451  /// size in bytes.
452  unsigned getCalleeSaveStackSlotSize() const {
454  }
455 
456  /// True if the target is little endian.
457  bool isLittleEndian() const { return IsLittleEndian; }
458 
459  /// True if target stack grow up.
460  bool isStackGrowthDirectionUp() const { return StackGrowsUp; }
461 
463 
464  // Data directive accessors.
465 
466  const char *getData8bitsDirective() const { return Data8bitsDirective; }
467  const char *getData16bitsDirective() const { return Data16bitsDirective; }
468  const char *getData32bitsDirective() const { return Data32bitsDirective; }
469  const char *getData64bitsDirective() const { return Data64bitsDirective; }
470  bool supportsSignedData() const { return SupportsSignedData; }
471  const char *getGPRel64Directive() const { return GPRel64Directive; }
472  const char *getGPRel32Directive() const { return GPRel32Directive; }
473  const char *getDTPRel64Directive() const { return DTPRel64Directive; }
474  const char *getDTPRel32Directive() const { return DTPRel32Directive; }
475  const char *getTPRel64Directive() const { return TPRel64Directive; }
476  const char *getTPRel32Directive() const { return TPRel32Directive; }
477 
478  /// Targets can implement this method to specify a section to switch to if the
479  /// translation unit doesn't have any trampolines that require an executable
480  /// stack.
482  return nullptr;
483  }
484 
485  /// True if the section is atomized using the symbols in it.
486  /// This is false if the section is not atomized at all (most ELF sections) or
487  /// if it is atomized based on its contents (MachO' __TEXT,__cstring for
488  /// example).
489  virtual bool isSectionAtomizableBySymbols(const MCSection &Section) const;
490 
491  virtual const MCExpr *getExprForPersonalitySymbol(const MCSymbol *Sym,
492  unsigned Encoding,
493  MCStreamer &Streamer) const;
494 
495  virtual const MCExpr *getExprForFDESymbol(const MCSymbol *Sym,
496  unsigned Encoding,
497  MCStreamer &Streamer) const;
498 
499  /// Return true if C is an acceptable character inside a symbol name.
500  virtual bool isAcceptableChar(char C) const;
501 
502  /// Return true if the identifier \p Name does not need quotes to be
503  /// syntactically correct.
504  virtual bool isValidUnquotedName(StringRef Name) const;
505 
506  /// Return true if the .section directive should be omitted when
507  /// emitting \p SectionName. For example:
508  ///
509  /// shouldOmitSectionDirective(".text")
510  ///
511  /// returns false => .section .text,#alloc,#execinstr
512  /// returns true => .text
514 
517  }
518 
521  }
522 
525  }
526 
527  // Accessors.
528 
535  }
536 
537  /// Returns the maximum possible encoded instruction size in bytes. If \p STI
538  /// is null, this should be the maximum size for any subtarget.
539  virtual unsigned getMaxInstLength(const MCSubtargetInfo *STI = nullptr) const {
540  return MaxInstLength;
541  }
542 
543  unsigned getMinInstAlignment() const { return MinInstAlignment; }
544  bool getDollarIsPC() const { return DollarIsPC; }
545  const char *getSeparatorString() const { return SeparatorString; }
546 
547  /// This indicates the column (zero-based) at which asm comments should be
548  /// printed.
549  unsigned getCommentColumn() const { return 40; }
550 
552  const char *getLabelSuffix() const { return LabelSuffix; }
553 
555  bool needsLocalForSize() const { return NeedsLocalForSize; }
558 
561  }
562 
566  return getPrivateGlobalPrefix();
567  }
568 
569  const char *getInlineAsmStart() const { return InlineAsmStart; }
570  const char *getInlineAsmEnd() const { return InlineAsmEnd; }
571  const char *getCode16Directive() const { return Code16Directive; }
572  const char *getCode32Directive() const { return Code32Directive; }
573  const char *getCode64Directive() const { return Code64Directive; }
574  unsigned getAssemblerDialect() const { return AssemblerDialect; }
575  bool doesAllowAtInName() const { return AllowAtInName; }
577  bool supportsNameQuoting() const { return SupportsQuotedNames; }
578 
581  }
582 
583  bool useDotAlignForAlignment() const {
585  }
586 
587  bool hasLEB128Directives() const { return HasLEB128Directives; }
588 
589  const char *getZeroDirective() const { return ZeroDirective; }
592  }
593  const char *getAsciiDirective() const { return AsciiDirective; }
594  const char *getAscizDirective() const { return AscizDirective; }
595  const char *getByteListDirective() const { return ByteListDirective; }
597  return CharacterLiteralSyntax;
598  }
599  bool getAlignmentIsInBytes() const { return AlignmentIsInBytes; }
600  unsigned getTextAlignFillValue() const { return TextAlignFillValue; }
601  const char *getGlobalDirective() const { return GlobalDirective; }
602 
605  }
606 
608 
611  }
612 
615  }
616 
620  bool hasIdentDirective() const { return HasIdentDirective; }
621  bool hasNoDeadStrip() const { return HasNoDeadStrip; }
622  bool hasAltEntry() const { return HasAltEntry; }
623  const char *getWeakDirective() const { return WeakDirective; }
624  const char *getWeakRefDirective() const { return WeakRefDirective; }
625  bool hasWeakDefDirective() const { return HasWeakDefDirective; }
626 
629  }
630 
631  bool avoidWeakIfComdat() const { return AvoidWeakIfComdat; }
632 
634 
637  }
638 
641  }
642 
644 
647 
649  ExceptionsType = EH;
650  }
651 
652  /// Returns true if the exception handling method for the platform uses call
653  /// frame information to unwind.
654  bool usesCFIForEH() const {
657  }
658 
659  bool usesWindowsCFI() const {
663  }
664 
667  }
668 
670  bool useDwarfRegNumForCFI() const { return DwarfRegNumForCFI; }
674  }
675 
676  void addInitialFrameState(const MCCFIInstruction &Inst);
677 
678  const std::vector<MCCFIInstruction> &getInitialFrameState() const {
679  return InitialFrameState;
680  }
681 
682  void setBinutilsVersion(std::pair<int, int> Value) {
684  }
685 
686  /// Return true if assembly (inline or otherwise) should be parsed.
688 
689  bool binutilsIsAtLeast(int Major, int Minor) const {
690  return BinutilsVersion >= std::make_pair(Major, Minor);
691  }
692 
693  /// Set whether assembly (inline or otherwise) should be parsed.
694  virtual void setUseIntegratedAssembler(bool Value) {
696  }
697 
698  /// Return true if assembly (inline or otherwise) should be parsed.
699  bool preserveAsmComments() const { return PreserveAsmComments; }
700 
701  /// Set whether assembly (inline or otherwise) should be parsed.
702  virtual void setPreserveAsmComments(bool Value) {
704  }
705 
707  return CompressDebugSections;
708  }
709 
711  this->CompressDebugSections = CompressDebugSections;
712  }
713 
714  bool shouldUseLogicalShr() const { return UseLogicalShr; }
715 
716  bool canRelaxRelocations() const { return RelaxELFRelocations; }
718  bool hasMipsExpressions() const { return HasMipsExpressions; }
720 };
721 
722 } // end namespace llvm
723 
724 #endif // LLVM_MC_MCASMINFO_H
llvm::MCAsmInfo::getExprForFDESymbol
virtual const MCExpr * getExprForFDESymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const
Definition: MCAsmInfo.cpp:97
llvm::MCAsmInfo::SupportsExtendedDwarfLocDirective
bool SupportsExtendedDwarfLocDirective
True if the target supports flags in ".loc" directive, false if only location is allowed.
Definition: MCAsmInfo.h:401
llvm::MCAsmInfo::hasSingleParameterDotFile
bool hasSingleParameterDotFile() const
Definition: MCAsmInfo.h:619
llvm::MCAsmInfo::HasMachoTBSSDirective
bool HasMachoTBSSDirective
True if this is a MachO target that supports the macho-specific .tbss directive for emitting thread l...
Definition: MCAsmInfo.h:94
llvm::MCAsmInfo::isAcceptableChar
virtual bool isAcceptableChar(char C) const
Return true if C is an acceptable character inside a symbol name.
Definition: MCAsmInfo.cpp:111
llvm::MCAsmInfo::GPRel64Directive
const char * GPRel64Directive
If non-null, a directive that is used to emit a word which should be relocated as a 64-bit GP-relativ...
Definition: MCAsmInfo.h:240
llvm::MCAsmInfo::useDwarfRegNumForCFI
bool useDwarfRegNumForCFI() const
Definition: MCAsmInfo.h:670
llvm::MCAsmInfo::usesSunStyleELFSectionSwitchSyntax
bool usesSunStyleELFSectionSwitchSyntax() const
Definition: MCAsmInfo.h:515
llvm::MCAsmInfo::getLinkerPrivateGlobalPrefix
StringRef getLinkerPrivateGlobalPrefix() const
Definition: MCAsmInfo.h:563
llvm::MCAsmInfo::HasVisibilityOnlyWithLinkage
bool HasVisibilityOnlyWithLinkage
True if this is an XCOFF target that supports visibility attributes as part of .global,...
Definition: MCAsmInfo.h:107
llvm::MCAsmInfo::setRelaxELFRelocations
void setRelaxELFRelocations(bool V)
Definition: MCAsmInfo.h:717
llvm
This class represents lattice values for constants.
Definition: AllocatorList.h:23
llvm::MCAsmInfo::getCommentString
StringRef getCommentString() const
Definition: MCAsmInfo.h:551
llvm::MCAsmInfo::StackGrowsUp
bool StackGrowsUp
True if target stack grow up. Default is false.
Definition: MCAsmInfo.h:82
llvm::MCSymbol
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
Definition: MCSymbol.h:41
llvm::StringRef::empty
LLVM_NODISCARD bool empty() const
empty - Check if the string is empty.
Definition: StringRef.h:156
llvm::MCAsmInfo::getSeparatorString
const char * getSeparatorString() const
Definition: MCAsmInfo.h:545
llvm::MCAsmInfo::HasMipsExpressions
bool HasMipsExpressions
Definition: MCAsmInfo.h:438
llvm::MCAsmInfo::doesSetDirectiveSuppressReloc
bool doesSetDirectiveSuppressReloc() const
Definition: MCAsmInfo.h:603
llvm::MCAsmInfo::compressDebugSections
DebugCompressionType compressDebugSections() const
Definition: MCAsmInfo.h:706
MCTargetOptions.h
llvm::MCAsmInfo::hasMipsExpressions
bool hasMipsExpressions() const
Definition: MCAsmInfo.h:718
llvm::MCAsmInfo::~MCAsmInfo
virtual ~MCAsmInfo()
llvm::MCAsmInfo::CompressDebugSections
DebugCompressionType CompressDebugSections
Compress DWARF debug sections. Defaults to no compression.
Definition: MCAsmInfo.h:426
llvm::MCAsmInfo::useIntegratedAssembler
bool useIntegratedAssembler() const
Return true if assembly (inline or otherwise) should be parsed.
Definition: MCAsmInfo.h:687
llvm::MCAsmInfo::HasFunctionAlignment
bool HasFunctionAlignment
Definition: MCAsmInfo.h:317
llvm::MCContext
Context object for machine code objects.
Definition: MCContext.h:68
llvm::MCAsmInfo::getAlignmentIsInBytes
bool getAlignmentIsInBytes() const
Definition: MCAsmInfo.h:599
StringRef.h
llvm::MCAsmInfo::HasMachoZeroFillDirective
bool HasMachoZeroFillDirective
True if this is a MachO target that supports the macho-specific .zerofill directive for emitting BSS ...
Definition: MCAsmInfo.h:90
llvm::MCAsmInfo::UseDotAlignForAlignment
bool UseDotAlignForAlignment
True if .align is to be used for alignment.
Definition: MCAsmInfo.h:187
llvm::MCAsmInfo::TPRel32Directive
const char * TPRel32Directive
Definition: MCAsmInfo.h:252
llvm::MCAsmInfo::getMinInstAlignment
unsigned getMinInstAlignment() const
Definition: MCAsmInfo.h:543
MCDirectives.h
llvm::MCAsmInfo::getInlineAsmStart
const char * getInlineAsmStart() const
Definition: MCAsmInfo.h:569
llvm::MCAsmInfo::getPrivateGlobalPrefix
StringRef getPrivateGlobalPrefix() const
Definition: MCAsmInfo.h:556
llvm::MCAsmInfo
This class is intended to be used as a base class for asm properties and features specific to the tar...
Definition: MCAsmInfo.h:56
llvm::MCAsmInfo::AvoidWeakIfComdat
bool AvoidWeakIfComdat
True if we should mark symbols as global instead of weak, for weak*‍/linkonce*, if the symbol has a c...
Definition: MCAsmInfo.h:357
llvm::MCAsmInfo::SupportsDebugInformation
bool SupportsDebugInformation
True if target supports emission of debugging information.
Definition: MCAsmInfo.h:375
llvm::MCAsmInfo::useDotAlignForAlignment
bool useDotAlignForAlignment() const
Definition: MCAsmInfo.h:583
llvm::MCAsmInfo::AlignmentIsInBytes
bool AlignmentIsInBytes
If this is true (the default) then the asmprinter emits ".align N" directives, where N is the number ...
Definition: MCAsmInfo.h:273
llvm::MCAsmInfo::hasLEB128Directives
bool hasLEB128Directives() const
Definition: MCAsmInfo.h:587
llvm::MCAsmInfo::HasNoDeadStrip
bool HasNoDeadStrip
True if this target supports the MachO .no_dead_strip directive.
Definition: MCAsmInfo.h:333
llvm::LCOMM::Log2Alignment
@ Log2Alignment
Definition: MCAsmInfo.h:50
llvm::MCAsmInfo::hasAltEntry
bool hasAltEntry() const
Definition: MCAsmInfo.h:622
llvm::WinEH::EncodingType::X86
@ X86
Windows x64, Windows Itanium (IA-64)
llvm::MCAsmInfo::InlineAsmEnd
const char * InlineAsmEnd
Definition: MCAsmInfo.h:156
llvm::MCAsmInfo::SetDirectiveSuppressesReloc
bool SetDirectiveSuppressesReloc
True if the expression .long f - g uses a relocation but it can be suppressed by writing a = f - g ....
Definition: MCAsmInfo.h:290
llvm::MCAsmInfo::UseAssignmentForEHBegin
bool UseAssignmentForEHBegin
Definition: MCAsmInfo.h:133
llvm::MCAsmInfo::AllowSymbolAtNameStart
bool AllowSymbolAtNameStart
This is true if the assembler allows $ @ ? characters at the start of symbol names.
Definition: MCAsmInfo.h:174
llvm::MCAsmInfo::HasIdentDirective
bool HasIdentDirective
True if the target has a .ident directive, this is true for ELF targets.
Definition: MCAsmInfo.h:329
llvm::MCAsmInfo::UsesELFSectionDirectiveForBSS
bool UsesELFSectionDirectiveForBSS
This is true if this target uses ELF '.section' directive before the '.bss' one.
Definition: MCAsmInfo.h:263
llvm::WinEH::EncodingType::Itanium
@ Itanium
Windows CE ARM, PowerPC, SH3, SH4.
llvm::ExceptionHandling::ARM
@ ARM
ARM EHABI.
llvm::MCAsmInfo::Data64bitsDirective
const char * Data64bitsDirective
Definition: MCAsmInfo.h:232
llvm::MCAsmInfo::getCodePointerSize
unsigned getCodePointerSize() const
Get the code pointer size in bytes.
Definition: MCAsmInfo.h:448
llvm::MCAsmInfo::Code32Directive
const char * Code32Directive
Definition: MCAsmInfo.h:162
llvm::MCAsmInfo::PrivateLabelPrefix
StringRef PrivateLabelPrefix
This prefix is used for labels for basic blocks.
Definition: MCAsmInfo.h:145
llvm::MCAsmInfo::WeakDirective
const char * WeakDirective
Used to declare a global as being a weak symbol. Defaults to ".weak".
Definition: MCAsmInfo.h:340
llvm::MCAsmInfo::UseDataRegionDirectives
bool UseDataRegionDirectives
This is true if data region markers should be printed as ".data_region/.end_data_region" directives.
Definition: MCAsmInfo.h:183
llvm::MCAsmInfo::getAssemblerDialect
unsigned getAssemblerDialect() const
Definition: MCAsmInfo.h:574
llvm::MCAsmInfo::usesCFIForEH
bool usesCFIForEH() const
Returns true if the exception handling method for the platform uses call frame information to unwind.
Definition: MCAsmInfo.h:654
llvm::MCAsmInfo::TPRel64Directive
const char * TPRel64Directive
Definition: MCAsmInfo.h:253
llvm::MCAsmInfo::getData64bitsDirective
const char * getData64bitsDirective() const
Definition: MCAsmInfo.h:469
llvm::MCAsmInfo::hasFunctionAlignment
bool hasFunctionAlignment() const
Definition: MCAsmInfo.h:617
llvm::MCAsmInfo::AllowAtInName
bool AllowAtInName
This is true if the assembler allows @ characters in symbol names.
Definition: MCAsmInfo.h:170
llvm::MCAsmInfo::getWinEHEncodingType
WinEH::EncodingType getWinEHEncodingType() const
Definition: MCAsmInfo.h:646
llvm::WinEH::EncodingType::ARM
@ ARM
Windows AXP64.
llvm::MCAsmInfo::DwarfUsesRelocationsAcrossSections
bool DwarfUsesRelocationsAcrossSections
True if Dwarf2 output generally uses relocations for references to other .debug_* sections.
Definition: MCAsmInfo.h:385
llvm::MCAsmInfo::UseParensForSymbolVariant
bool UseParensForSymbolVariant
True if target uses parens to indicate the symbol variant instead of .
Definition: MCAsmInfo.h:397
llvm::MCAsmInfo::Code16Directive
const char * Code16Directive
These are assembly directives that tells the assembler to interpret the following instructions differ...
Definition: MCAsmInfo.h:161
llvm::MCAsmInfo::supportsExtendedDwarfLocDirective
bool supportsExtendedDwarfLocDirective() const
Definition: MCAsmInfo.h:672
llvm::MCAsmInfo::usesELFSectionDirectiveForBSS
bool usesELFSectionDirectiveForBSS() const
Definition: MCAsmInfo.h:519
llvm::MCAsmInfo::Data32bitsDirective
const char * Data32bitsDirective
Definition: MCAsmInfo.h:231
llvm::MCSymbolAttr
MCSymbolAttr
Definition: MCDirectives.h:18
llvm::MCAsmInfo::CharacterLiteralSyntax
AsmCharLiteralSyntax CharacterLiteralSyntax
Form used for character literals in the assembly syntax.
Definition: MCAsmInfo.h:223
llvm::MCAsmInfo::shouldOmitSectionDirective
virtual bool shouldOmitSectionDirective(StringRef SectionName) const
Return true if the .section directive should be omitted when emitting SectionName.
Definition: MCAsmInfo.cpp:129
llvm::ARMBuildAttrs::Section
@ Section
Legacy Tags.
Definition: ARMBuildAttributes.h:78
llvm::MCAsmInfo::canRelaxRelocations
bool canRelaxRelocations() const
Definition: MCAsmInfo.h:716
llvm::MCAsmInfo::hasLinkerPrivateGlobalPrefix
bool hasLinkerPrivateGlobalPrefix() const
Definition: MCAsmInfo.h:559
llvm::MCAsmInfo::getExprForPersonalitySymbol
virtual const MCExpr * getExprForPersonalitySymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const
Definition: MCAsmInfo.cpp:90
llvm::MCStreamer
Streaming machine code generation interface.
Definition: MCStreamer.h:197
llvm::MCAsmInfo::PrivateGlobalPrefix
StringRef PrivateGlobalPrefix
This prefix is used for globals like constant pool entries that are completely private to the ....
Definition: MCAsmInfo.h:141
llvm::MCAsmInfo::DwarfFDESymbolsUseAbsDiff
bool DwarfFDESymbolsUseAbsDiff
True if DWARF FDE symbol reference relocations should be replaced by an absolute difference.
Definition: MCAsmInfo.h:389
llvm::MCAsmInfo::setExceptionsType
void setExceptionsType(ExceptionHandling EH)
Definition: MCAsmInfo.h:648
llvm::MCAsmInfo::ByteListDirective
const char * ByteListDirective
This directive accepts a comma-separated list of bytes for emission as a string of bytes.
Definition: MCAsmInfo.h:218
llvm::MCAsmInfo::getTextAlignFillValue
unsigned getTextAlignFillValue() const
Definition: MCAsmInfo.h:600
llvm::DebugCompressionType::None
@ None
No compression.
llvm::ExceptionHandling
ExceptionHandling
Definition: MCTargetOptions.h:18
llvm::MCAsmInfo::ProtectedVisibilityAttr
MCSymbolAttr ProtectedVisibilityAttr
This attribute, if not MCSA_Invalid, is used to declare a symbol as having protected visibility.
Definition: MCAsmInfo.h:369
llvm::MCAsmInfo::getAscizDirective
const char * getAscizDirective() const
Definition: MCAsmInfo.h:594
llvm::MCAsmInfo::HasSingleParameterDotFile
bool HasSingleParameterDotFile
True if the target has a single parameter .file directive, this is true for ELF targets.
Definition: MCAsmInfo.h:325
C
(vector float) vec_cmpeq(*A, *B) C
Definition: README_ALTIVEC.txt:86
llvm::MCSA_Protected
@ MCSA_Protected
.protected (ELF)
Definition: MCDirectives.h:42
llvm::MCAsmInfo::doesZeroDirectiveSupportNonZeroValue
bool doesZeroDirectiveSupportNonZeroValue() const
Definition: MCAsmInfo.h:590
llvm::MCAsmInfo::HasWeakDefDirective
bool HasWeakDefDirective
True if we have a directive to declare a global as being a weak defined symbol.
Definition: MCAsmInfo.h:348
llvm::MCAsmInfo::MinInstAlignment
unsigned MinInstAlignment
Every possible instruction length is a multiple of this value.
Definition: MCAsmInfo.h:115
llvm::WinEH::EncodingType::Invalid
@ Invalid
llvm::MCAsmInfo::doesSupportDataRegionDirectives
bool doesSupportDataRegionDirectives() const
Definition: MCAsmInfo.h:579
llvm::MCAsmInfo::needsDwarfSectionOffsetDirective
bool needsDwarfSectionOffsetDirective() const
Definition: MCAsmInfo.h:523
llvm::MCAsmInfo::useAssignmentForEHBegin
bool useAssignmentForEHBegin() const
Definition: MCAsmInfo.h:554
llvm::MCAsmInfo::ACLS_SingleQuotePrefix
@ ACLS_SingleQuotePrefix
Unknown; character literals not used by LLVM for this target.
Definition: MCAsmInfo.h:62
llvm::MCSA_Hidden
@ MCSA_Hidden
.hidden (ELF)
Definition: MCDirectives.h:33
llvm::MCAsmInfo::ZeroDirectiveSupportsNonZeroValue
bool ZeroDirectiveSupportsNonZeroValue
This should be set to true if the zero directive supports a value to emit other than zero.
Definition: MCAsmInfo.h:203
llvm::MCAsmInfo::isStackGrowthDirectionUp
bool isStackGrowthDirectionUp() const
True if target stack grow up.
Definition: MCAsmInfo.h:460
llvm::MCAsmInfo::characterLiteralSyntax
AsmCharLiteralSyntax characterLiteralSyntax() const
Definition: MCAsmInfo.h:596
llvm::MCAsmInfo::LinkerPrivateGlobalPrefix
StringRef LinkerPrivateGlobalPrefix
This prefix is used for symbols that should be passed through the assembler but be removed by the lin...
Definition: MCAsmInfo.h:151
llvm::MCAsmInfo::getZeroDirective
const char * getZeroDirective() const
Definition: MCAsmInfo.h:589
llvm::MCAsmInfo::UseIntegratedAssembler
bool UseIntegratedAssembler
Should we use the integrated assembler? The integrated assembler should be enabled by default (by the...
Definition: MCAsmInfo.h:420
llvm::MCAsmInfo::hasNoDeadStrip
bool hasNoDeadStrip() const
Definition: MCAsmInfo.h:621
llvm::MCAsmInfo::getByteListDirective
const char * getByteListDirective() const
Definition: MCAsmInfo.h:595
llvm::MCAsmInfo::getInlineAsmEnd
const char * getInlineAsmEnd() const
Definition: MCAsmInfo.h:570
llvm::MCCFIInstruction
Definition: MCDwarf.h:441
llvm::MCAsmInfo::getData8bitsDirective
const char * getData8bitsDirective() const
Definition: MCAsmInfo.h:466
llvm::MCAsmInfo::getProtectedVisibilityAttr
MCSymbolAttr getProtectedVisibilityAttr() const
Definition: MCAsmInfo.h:639
llvm::MCAsmInfo::HasDotTypeDotSizeDirective
bool HasDotTypeDotSizeDirective
True if the target has .type and .size directives, this is true for most ELF targets.
Definition: MCAsmInfo.h:321
llvm::MCAsmInfo::SupportsSignedData
bool SupportsSignedData
True if data directives support signed values.
Definition: MCAsmInfo.h:235
llvm::MCAsmInfo::setUseIntegratedAssembler
virtual void setUseIntegratedAssembler(bool Value)
Set whether assembly (inline or otherwise) should be parsed.
Definition: MCAsmInfo.h:694
llvm::MCAsmInfo::useParensForSymbolVariant
bool useParensForSymbolVariant() const
Definition: MCAsmInfo.h:671
llvm::MCAsmInfo::hasWeakDefCanBeHiddenDirective
bool hasWeakDefCanBeHiddenDirective() const
Definition: MCAsmInfo.h:627
llvm::MCAsmInfo::SeparatorString
const char * SeparatorString
This string, if specified, is used to separate instructions from each other when on the same line.
Definition: MCAsmInfo.h:123
llvm::MCAsmInfo::getMaxInstLength
virtual unsigned getMaxInstLength(const MCSubtargetInfo *STI=nullptr) const
Returns the maximum possible encoded instruction size in bytes.
Definition: MCAsmInfo.h:539
llvm::MCAsmInfo::getAsciiDirective
const char * getAsciiDirective() const
Definition: MCAsmInfo.h:593
llvm::MCAsmInfo::hasCOFFAssociativeComdats
bool hasCOFFAssociativeComdats() const
Definition: MCAsmInfo.h:531
llvm::MCAsmInfo::isSectionAtomizableBySymbols
virtual bool isSectionAtomizableBySymbols(const MCSection &Section) const
True if the section is atomized using the symbols in it.
Definition: MCAsmInfo.cpp:85
llvm::MCAsmInfo::doesAllowSymbolAtNameStart
bool doesAllowSymbolAtNameStart() const
Definition: MCAsmInfo.h:576
llvm::MCAsmInfo::HasSubsectionsViaSymbols
bool HasSubsectionsViaSymbols
True if this target has the MachO .subsections_via_symbols directive.
Definition: MCAsmInfo.h:86
llvm::MCAsmInfo::Code64Directive
const char * Code64Directive
Definition: MCAsmInfo.h:163
llvm::MCAsmInfo::WeakRefDirective
const char * WeakRefDirective
This directive, if non-null, is used to declare a global as being a weak undefined symbol.
Definition: MCAsmInfo.h:344
llvm::MCAsmInfo::CommentString
StringRef CommentString
This indicates the comment character used by the assembler.
Definition: MCAsmInfo.h:127
llvm::MCAsmInfo::DwarfRegNumForCFI
bool DwarfRegNumForCFI
True if dwarf register numbers are printed instead of symbolic register names in ....
Definition: MCAsmInfo.h:393
llvm::MCAsmInfo::COMMDirectiveAlignmentIsInBytes
bool COMMDirectiveAlignmentIsInBytes
True is .comm's and .lcomms optional alignment is to be specified in bytes instead of log2(n).
Definition: MCAsmInfo.h:309
llvm::MCAsmInfo::hasVisibilityOnlyWithLinkage
bool hasVisibilityOnlyWithLinkage() const
Definition: MCAsmInfo.h:533
llvm::MCAsmInfo::getTPRel64Directive
const char * getTPRel64Directive() const
Definition: MCAsmInfo.h:475
llvm::MCAsmInfo::getTPRel32Directive
const char * getTPRel32Directive() const
Definition: MCAsmInfo.h:476
llvm::MCAsmInfo::isValidUnquotedName
virtual bool isValidUnquotedName(StringRef Name) const
Return true if the identifier Name does not need quotes to be syntactically correct.
Definition: MCAsmInfo.cpp:115
llvm::MCAsmInfo::RelaxELFRelocations
bool RelaxELFRelocations
Definition: MCAsmInfo.h:434
llvm::MCAsmInfo::HasAltEntry
bool HasAltEntry
True if this target supports the MachO .alt_entry directive.
Definition: MCAsmInfo.h:337
llvm::MCAsmInfo::CodePointerSize
unsigned CodePointerSize
Code pointer size in bytes. Default is 4.
Definition: MCAsmInfo.h:72
llvm::MCAsmInfo::ZeroDirective
const char * ZeroDirective
This should be set to the directive used to get some number of zero (and non-zero if supported by the...
Definition: MCAsmInfo.h:198
llvm::MCAsmInfo::supportsNameQuoting
bool supportsNameQuoting() const
Definition: MCAsmInfo.h:577
llvm::MCAsmInfo::AssemblerDialect
unsigned AssemblerDialect
Which dialect of an assembler variant to use. Defaults to 0.
Definition: MCAsmInfo.h:166
llvm::MCAsmInfo::HasWeakDefCanBeHiddenDirective
bool HasWeakDefCanBeHiddenDirective
True if we have a directive to declare a global as being a weak defined symbol that can be hidden (un...
Definition: MCAsmInfo.h:352
llvm::WinEH::EncodingType
EncodingType
Definition: MCAsmInfo.h:35
llvm::MCAsmInfo::InitialFrameState
std::vector< MCCFIInstruction > InitialFrameState
Definition: MCAsmInfo.h:405
llvm::MCAsmInfo::WinEHEncodingType
WinEH::EncodingType WinEHEncodingType
Windows exception handling data (.pdata) encoding. Defaults to Invalid.
Definition: MCAsmInfo.h:381
llvm::MCAsmInfo::supportsSignedData
bool supportsSignedData() const
Definition: MCAsmInfo.h:470
llvm::WinEH::EncodingType::CE
@ CE
Windows NT (Windows on ARM)
llvm::MCAsmInfo::addInitialFrameState
void addInitialFrameState(const MCCFIInstruction &Inst)
Definition: MCAsmInfo.cpp:81
llvm::MCAsmInfo::getCode32Directive
const char * getCode32Directive() const
Definition: MCAsmInfo.h:572
llvm::MCAsmInfo::Data16bitsDirective
const char * Data16bitsDirective
Definition: MCAsmInfo.h:230
llvm::MCAsmInfo::HiddenDeclarationVisibilityAttr
MCSymbolAttr HiddenDeclarationVisibilityAttr
This attribute, if not MCSA_Invalid, is used to declare an undefined symbol as having hidden visibili...
Definition: MCAsmInfo.h:365
llvm::MCAsmInfo::needsFunctionDescriptors
bool needsFunctionDescriptors() const
Definition: MCAsmInfo.h:719
llvm::MCAsmInfo::getDollarIsPC
bool getDollarIsPC() const
Definition: MCAsmInfo.h:544
llvm::MCAsmInfo::getGlobalDirective
const char * getGlobalDirective() const
Definition: MCAsmInfo.h:601
llvm::MCAsmInfo::ACLS_Unknown
@ ACLS_Unknown
Definition: MCAsmInfo.h:60
llvm::MCAsmInfo::MCAsmInfo
MCAsmInfo()
Definition: MCAsmInfo.cpp:37
llvm::MCAsmInfo::doesAllowAtInName
bool doesAllowAtInName() const
Definition: MCAsmInfo.h:575
llvm::WinEH::EncodingType::MIPS
@ MIPS
Windows x86, uses no CFI, just EH tables.
llvm::MCAsmInfo::hasDotTypeDotSizeDirective
bool hasDotTypeDotSizeDirective() const
Definition: MCAsmInfo.h:618
llvm::MCAsmInfo::DTPRel32Directive
const char * DTPRel32Directive
If non-null, directives that are used to emit a word/dword which should be relocated as a 32/64-bit D...
Definition: MCAsmInfo.h:250
llvm::MCAsmInfo::getCode16Directive
const char * getCode16Directive() const
Definition: MCAsmInfo.h:571
llvm::MCAsmInfo::doesSupportDebugInformation
bool doesSupportDebugInformation() const
Definition: MCAsmInfo.h:643
llvm::MCAsmInfo::hasAggressiveSymbolFolding
bool hasAggressiveSymbolFolding() const
Definition: MCAsmInfo.h:607
llvm::DebugCompressionType
DebugCompressionType
Definition: MCTargetOptions.h:28
llvm::MCAsmInfo::GlobalDirective
const char * GlobalDirective
This is the directive used to declare a global entity.
Definition: MCAsmInfo.h:283
llvm::MCAsmInfo::Data8bitsDirective
const char * Data8bitsDirective
These directives are used to output some unit of integer data to the current section.
Definition: MCAsmInfo.h:229
llvm::StringRef
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:57
llvm::MCAsmInfo::SunStyleELFSectionSwitchSyntax
bool SunStyleELFSectionSwitchSyntax
This is true if this target uses "Sun Style" syntax for section switching ("#alloc,...
Definition: MCAsmInfo.h:258
llvm::MCAsmInfo::InlineAsmStart
const char * InlineAsmStart
If these are nonempty, they contain a directive to emit before and after an inline assembly statement...
Definition: MCAsmInfo.h:155
llvm::MCSection
Instances of this class represent a uniqued identifier for a section in the current translation unit.
Definition: MCSection.h:39
llvm::MCAsmInfo::doesDwarfUseRelocationsAcrossSections
bool doesDwarfUseRelocationsAcrossSections() const
Definition: MCAsmInfo.h:665
llvm::MCAsmInfo::getLCOMMDirectiveAlignmentType
LCOMM::LCOMMType getLCOMMDirectiveAlignmentType() const
Definition: MCAsmInfo.h:613
llvm::MCAsmInfo::getInitialFrameState
const std::vector< MCCFIInstruction > & getInitialFrameState() const
Definition: MCAsmInfo.h:678
llvm::MCAsmInfo::TextAlignFillValue
unsigned TextAlignFillValue
If non-zero, this is used to fill the executable space created as the result of a alignment directive...
Definition: MCAsmInfo.h:277
llvm::MCAsmInfo::doDwarfFDESymbolsUseAbsDiff
bool doDwarfFDESymbolsUseAbsDiff() const
Definition: MCAsmInfo.h:669
llvm::MCAsmInfo::DTPRel64Directive
const char * DTPRel64Directive
Definition: MCAsmInfo.h:251
llvm::MCAsmInfo::setBinutilsVersion
void setBinutilsVersion(std::pair< int, int > Value)
Definition: MCAsmInfo.h:682
llvm::MCAsmInfo::AscizDirective
const char * AscizDirective
If not null, this allows for special handling of zero terminated strings on this target.
Definition: MCAsmInfo.h:213
llvm::MCAsmInfo::hasWeakDefDirective
bool hasWeakDefDirective() const
Definition: MCAsmInfo.h:625
llvm::WinEH::EncodingType::Alpha64
@ Alpha64
Windows Alpha.
llvm::MCAsmInfo::hasMachoZeroFillDirective
bool hasMachoZeroFillDirective() const
Definition: MCAsmInfo.h:529
llvm::MCAsmInfo::getDTPRel64Directive
const char * getDTPRel64Directive() const
Definition: MCAsmInfo.h:473
llvm::MCAsmInfo::getCalleeSaveStackSlotSize
unsigned getCalleeSaveStackSlotSize() const
Get the callee-saved register stack slot size in bytes.
Definition: MCAsmInfo.h:452
llvm::GraphProgram::Name
Name
Definition: GraphWriter.h:52
llvm::MCAsmInfo::CalleeSaveStackSlotSize
unsigned CalleeSaveStackSlotSize
Size of the stack slot reserved for callee-saved registers, in bytes.
Definition: MCAsmInfo.h:76
llvm::MCAsmInfo::shouldUseLogicalShr
bool shouldUseLogicalShr() const
Definition: MCAsmInfo.h:714
llvm::MCAsmInfo::HasCOFFComdatConstants
bool HasCOFFComdatConstants
True if this is a non-GNU COFF target.
Definition: MCAsmInfo.h:103
llvm::MCAsmInfo::getHiddenVisibilityAttr
MCSymbolAttr getHiddenVisibilityAttr() const
Definition: MCAsmInfo.h:633
llvm::SectionName
Definition: DWARFSection.h:20
llvm::WinEH::EncodingType::Alpha
@ Alpha
Invalid.
llvm::MCAsmInfo::getGPRel64Directive
const char * getGPRel64Directive() const
Definition: MCAsmInfo.h:471
llvm::MCAsmInfo::getPrivateLabelPrefix
StringRef getPrivateLabelPrefix() const
Definition: MCAsmInfo.h:557
llvm::ExceptionHandling::WinEH
@ WinEH
Windows Exception Handling.
llvm::TargetStackID::Value
Value
Definition: TargetFrameLowering.h:27
llvm::MCAsmInfo::DollarIsPC
bool DollarIsPC
The '$' token, when not referencing an identifier or constant, refers to the current PC.
Definition: MCAsmInfo.h:119
llvm::MCAsmInfo::isLittleEndian
bool isLittleEndian() const
True if the target is little endian.
Definition: MCAsmInfo.h:457
llvm::MCAsmInfo::getWeakDirective
const char * getWeakDirective() const
Definition: MCAsmInfo.h:623
llvm::MCAsmInfo::hasIdentDirective
bool hasIdentDirective() const
Definition: MCAsmInfo.h:620
llvm::MCAsmInfo::setCompressDebugSections
void setCompressDebugSections(DebugCompressionType CompressDebugSections)
Definition: MCAsmInfo.h:710
llvm::MCAsmInfo::avoidWeakIfComdat
bool avoidWeakIfComdat() const
Definition: MCAsmInfo.h:631
llvm::MCAsmInfo::hasCOFFComdatConstants
bool hasCOFFComdatConstants() const
Definition: MCAsmInfo.h:532
llvm::LCOMM::ByteAlignment
@ ByteAlignment
Definition: MCAsmInfo.h:50
llvm::MCAsmInfo::HasCOFFAssociativeComdats
bool HasCOFFAssociativeComdats
True if this is a non-GNU COFF target.
Definition: MCAsmInfo.h:99
llvm::MCAsmInfo::UseLogicalShr
bool UseLogicalShr
True if the integrated assembler should interpret 'a >> b' constant expressions as logical rather tha...
Definition: MCAsmInfo.h:430
llvm::MCAsmInfo::NeedsFunctionDescriptors
bool NeedsFunctionDescriptors
Definition: MCAsmInfo.h:441
llvm::ExceptionHandling::None
@ None
No exception support.
llvm::MCAsmInfo::HiddenVisibilityAttr
MCSymbolAttr HiddenVisibilityAttr
This attribute, if not MCSA_Invalid, is used to declare a symbol as having hidden visibility.
Definition: MCAsmInfo.h:361
llvm::MCAsmInfo::binutilsIsAtLeast
bool binutilsIsAtLeast(int Major, int Minor) const
Definition: MCAsmInfo.h:689
llvm::MCAsmInfo::MaxInstLength
unsigned MaxInstLength
This is the maximum possible length of an instruction, which is needed to compute the size of an inli...
Definition: MCAsmInfo.h:111
llvm::MCAsmInfo::getExceptionHandlingType
ExceptionHandling getExceptionHandlingType() const
Definition: MCAsmInfo.h:645
llvm::MCAsmInfo::getData16bitsDirective
const char * getData16bitsDirective() const
Definition: MCAsmInfo.h:467
llvm::MCAsmInfo::getDTPRel32Directive
const char * getDTPRel32Directive() const
Definition: MCAsmInfo.h:474
llvm::MCAsmInfo::getGPRel32Directive
const char * getGPRel32Directive() const
Definition: MCAsmInfo.h:472
llvm::MCAsmInfo::getCode64Directive
const char * getCode64Directive() const
Definition: MCAsmInfo.h:573
llvm::MCAsmInfo::BinutilsVersion
std::pair< int, int > BinutilsVersion
Definition: MCAsmInfo.h:413
llvm::MCAsmInfo::getLabelSuffix
const char * getLabelSuffix() const
Definition: MCAsmInfo.h:552
llvm::MCAsmInfo::LCOMMDirectiveAlignmentType
LCOMM::LCOMMType LCOMMDirectiveAlignmentType
Describes if the .lcomm directive for the target supports an alignment argument and how it is interpr...
Definition: MCAsmInfo.h:313
llvm::MCAsmInfo::getNonexecutableStackSection
virtual MCSection * getNonexecutableStackSection(MCContext &Ctx) const
Targets can implement this method to specify a section to switch to if the translation unit doesn't h...
Definition: MCAsmInfo.h:481
llvm::MCAsmInfo::setPreserveAsmComments
virtual void setPreserveAsmComments(bool Value)
Set whether assembly (inline or otherwise) should be parsed.
Definition: MCAsmInfo.h:702
llvm::MCAsmInfo::ExceptionsType
ExceptionHandling ExceptionsType
Exception handling format for the target. Defaults to None.
Definition: MCAsmInfo.h:378
llvm::MCAsmInfo::HasAggressiveSymbolFolding
bool HasAggressiveSymbolFolding
False if the assembler requires that we use.
Definition: MCAsmInfo.h:305
llvm::LCOMM::LCOMMType
LCOMMType
Definition: MCAsmInfo.h:50
llvm::MCAsmInfo::getCommentColumn
unsigned getCommentColumn() const
This indicates the column (zero-based) at which asm comments should be printed.
Definition: MCAsmInfo.h:549
llvm::MCAsmInfo::PreserveAsmComments
bool PreserveAsmComments
Preserve Comments in assembly.
Definition: MCAsmInfo.h:423
llvm::MCAsmInfo::LabelSuffix
const char * LabelSuffix
This is appended to emitted labels. Defaults to ":".
Definition: MCAsmInfo.h:130
llvm::MCAsmInfo::hasMachoTBSSDirective
bool hasMachoTBSSDirective() const
Definition: MCAsmInfo.h:530
llvm::MCAsmInfo::AsmCharLiteralSyntax
AsmCharLiteralSyntax
Assembly character literal syntax types.
Definition: MCAsmInfo.h:59
llvm::MCAsmInfo::getWeakRefDirective
const char * getWeakRefDirective() const
Definition: MCAsmInfo.h:624
llvm::MCAsmInfo::getHiddenDeclarationVisibilityAttr
MCSymbolAttr getHiddenDeclarationVisibilityAttr() const
Definition: MCAsmInfo.h:635
llvm::MCAsmInfo::getCOMMDirectiveAlignmentIsInBytes
bool getCOMMDirectiveAlignmentIsInBytes() const
Definition: MCAsmInfo.h:609
llvm::MCAsmInfo::NeedsDwarfSectionOffsetDirective
bool NeedsDwarfSectionOffsetDirective
Definition: MCAsmInfo.h:265
llvm::MCAsmInfo::hasSubsectionsViaSymbols
bool hasSubsectionsViaSymbols() const
Definition: MCAsmInfo.h:462
llvm::MCAsmInfo::preserveAsmComments
bool preserveAsmComments() const
Return true if assembly (inline or otherwise) should be parsed.
Definition: MCAsmInfo.h:699
llvm::MCAsmInfo::AsciiDirective
const char * AsciiDirective
This directive allows emission of an ascii string with the standard C escape characters embedded into...
Definition: MCAsmInfo.h:208
llvm::MCAsmInfo::usesWindowsCFI
bool usesWindowsCFI() const
Definition: MCAsmInfo.h:659
llvm::MCSubtargetInfo
Generic base class for all target subtargets.
Definition: MCSubtargetInfo.h:75
llvm::ExceptionHandling::DwarfCFI
@ DwarfCFI
DWARF-like instruction based exceptions.
llvm::Value
LLVM Value Representation.
Definition: Value.h:75
llvm::MCExpr
Base class for the full range of assembler expressions which are needed for parsing.
Definition: MCExpr.h:35
llvm::MCAsmInfo::needsLocalForSize
bool needsLocalForSize() const
Definition: MCAsmInfo.h:555
llvm::MCAsmInfo::NeedsLocalForSize
bool NeedsLocalForSize
Definition: MCAsmInfo.h:136
llvm::MCAsmInfo::GPRel32Directive
const char * GPRel32Directive
If non-null, a directive that is used to emit a word which should be relocated as a 32-bit GP-relativ...
Definition: MCAsmInfo.h:245
llvm::MCAsmInfo::HasLEB128Directives
bool HasLEB128Directives
True if the target supports LEB128 directives.
Definition: MCAsmInfo.h:190
llvm::ISD::MCSymbol
@ MCSymbol
Definition: ISDOpcodes.h:165
llvm::MCAsmInfo::IsLittleEndian
bool IsLittleEndian
True if target is little endian. Default is true.
Definition: MCAsmInfo.h:79
llvm::MCAsmInfo::SupportsQuotedNames
bool SupportsQuotedNames
If this is true, symbol names with invalid characters will be printed in quotes.
Definition: MCAsmInfo.h:178
llvm::LCOMM::NoAlignment
@ NoAlignment
Definition: MCAsmInfo.h:50
llvm::MCAsmInfo::getData32bitsDirective
const char * getData32bitsDirective() const
Definition: MCAsmInfo.h:468