LLVM 17.0.0git
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"
21#include <vector>
22
23namespace llvm {
24
25class MCContext;
26class MCCFIInstruction;
27class MCExpr;
28class MCSection;
29class MCStreamer;
30class MCSubtargetInfo;
31class MCSymbol;
32
33namespace WinEH {
34
35enum 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
48namespace 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.
56class MCAsmInfo {
57public:
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
66protected:
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.
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 /// Allow '.' token, when not referencing an identifier or constant, to refer
122 /// to the current PC. Defaults to true.
123 bool DotIsPC = true;
124
125 /// Whether the '*' token refers to the current PC. This is used for the
126 /// HLASM dialect.
127 bool StarIsPC = false;
128
129 /// This string, if specified, is used to separate instructions from each
130 /// other when on the same line. Defaults to ';'
131 const char *SeparatorString;
132
133 /// This indicates the comment string used by the assembler. Defaults to
134 /// "#"
136
137 /// This indicates whether the comment string is only accepted as a comment
138 /// at the beginning of statements. Defaults to false.
140
141 /// This indicates whether to allow additional "comment strings" to be lexed
142 /// as a comment. Setting this attribute to true, will ensure that C-style
143 /// line comments (// ..), C-style block comments (/* .. */), and "#" are
144 /// all treated as comments in addition to the string specified by the
145 /// CommentString attribute.
146 /// Default is true.
148
149 /// Should we emit the '\t' as the starting indentation marker for GNU inline
150 /// asm statements. Defaults to true.
152
153 /// This is appended to emitted labels. Defaults to ":"
154 const char *LabelSuffix;
155
156 /// Emit labels in purely upper case. Defaults to false.
158
159 // Print the EH begin symbol with an assignment. Defaults to false.
161
162 // Do we need to create a local symbol for .size?
163 bool NeedsLocalForSize = false;
164
165 /// This prefix is used for globals like constant pool entries that are
166 /// completely private to the .s file and should not have names in the .o
167 /// file. Defaults to "L"
169
170 /// This prefix is used for labels for basic blocks. Defaults to the same as
171 /// PrivateGlobalPrefix.
173
174 /// This prefix is used for symbols that should be passed through the
175 /// assembler but be removed by the linker. This is 'l' on Darwin, currently
176 /// used for some ObjC metadata. The default of "" meast that for this system
177 /// a plain private symbol should be used. Defaults to "".
179
180 /// If these are nonempty, they contain a directive to emit before and after
181 /// an inline assembly statement. Defaults to "#APP\n", "#NO_APP\n"
182 const char *InlineAsmStart;
183 const char *InlineAsmEnd;
184
185 /// These are assembly directives that tells the assembler to interpret the
186 /// following instructions differently. Defaults to ".code16", ".code32",
187 /// ".code64".
188 const char *Code16Directive;
189 const char *Code32Directive;
190 const char *Code64Directive;
191
192 /// Which dialect of an assembler variant to use. Defaults to 0
193 unsigned AssemblerDialect = 0;
194
195 /// This is true if the assembler allows @ characters in symbol names.
196 /// Defaults to false.
197 bool AllowAtInName = false;
198
199 /// This is true if the assembler allows the "?" character at the start of
200 /// of a string to be lexed as an AsmToken::Identifier.
201 /// If the AsmLexer determines that the string can be lexed as a possible
202 /// comment, setting this option will have no effect, and the string will
203 /// still be lexed as a comment.
205
206 /// This is true if the assembler allows the "$" character at the start of
207 /// of a string to be lexed as an AsmToken::Identifier.
208 /// If the AsmLexer determines that the string can be lexed as a possible
209 /// comment, setting this option will have no effect, and the string will
210 /// still be lexed as a comment.
212
213 /// This is true if the assembler allows the "@" character at the start of
214 /// a string to be lexed as an AsmToken::Identifier.
215 /// If the AsmLexer determines that the string can be lexed as a possible
216 /// comment, setting this option will have no effect, and the string will
217 /// still be lexed as a comment.
219
220 /// This is true if the assembler allows the "#" character at the start of
221 /// a string to be lexed as an AsmToken::Identifier.
222 /// If the AsmLexer determines that the string can be lexed as a possible
223 /// comment, setting this option will have no effect, and the string will
224 /// still be lexed as a comment.
226
227 /// If this is true, symbol names with invalid characters will be printed in
228 /// quotes.
230
231 /// This is true if data region markers should be printed as
232 /// ".data_region/.end_data_region" directives. If false, use "$d/$a" labels
233 /// instead.
235
236 /// True if .align is to be used for alignment. Only power-of-two
237 /// alignment is supported.
239
240 /// True if the target supports LEB128 directives.
242
243 //===--- Data Emission Directives -------------------------------------===//
244
245 /// This should be set to the directive used to get some number of zero (and
246 /// non-zero if supported by the directive) bytes emitted to the current
247 /// section. Common cases are "\t.zero\t" and "\t.space\t". Defaults to
248 /// "\t.zero\t"
249 const char *ZeroDirective;
250
251 /// This should be set to true if the zero directive supports a value to emit
252 /// other than zero. If this is set to false, the Data*bitsDirective's will be
253 /// used to emit these bytes. Defaults to true.
255
256 /// This directive allows emission of an ascii string with the standard C
257 /// escape characters embedded into it. If a target doesn't support this, it
258 /// can be set to null. Defaults to "\t.ascii\t"
259 const char *AsciiDirective;
260
261 /// If not null, this allows for special handling of zero terminated strings
262 /// on this target. This is commonly supported as ".asciz". If a target
263 /// doesn't support this, it can be set to null. Defaults to "\t.asciz\t"
264 const char *AscizDirective;
265
266 /// This directive accepts a comma-separated list of bytes for emission as a
267 /// string of bytes. For targets that do not support this, it shall be set to
268 /// null. Defaults to null.
269 const char *ByteListDirective = nullptr;
270
271 /// This directive allows emission of a zero-terminated ascii string without
272 /// the standard C escape characters embedded into it. If a target doesn't
273 /// support this, it can be set to null. Defaults to null.
274 const char *PlainStringDirective = nullptr;
275
276 /// Form used for character literals in the assembly syntax. Useful for
277 /// producing strings as byte lists. If a target does not use or support
278 /// this, it shall be set to ACLS_Unknown. Defaults to ACLS_Unknown.
280
281 /// These directives are used to output some unit of integer data to the
282 /// current section. If a data directive is set to null, smaller data
283 /// directives will be used to emit the large sizes. Defaults to "\t.byte\t",
284 /// "\t.short\t", "\t.long\t", "\t.quad\t"
289
290 /// True if data directives support signed values
292
293 /// If non-null, a directive that is used to emit a word which should be
294 /// relocated as a 64-bit GP-relative offset, e.g. .gpdword on Mips. Defaults
295 /// to nullptr.
296 const char *GPRel64Directive = nullptr;
297
298 /// If non-null, a directive that is used to emit a word which should be
299 /// relocated as a 32-bit GP-relative offset, e.g. .gpword on Mips or .gprel32
300 /// on Alpha. Defaults to nullptr.
301 const char *GPRel32Directive = nullptr;
302
303 /// If non-null, directives that are used to emit a word/dword which should
304 /// be relocated as a 32/64-bit DTP/TP-relative offset, e.g. .dtprelword/
305 /// .dtpreldword/.tprelword/.tpreldword on Mips.
306 const char *DTPRel32Directive = nullptr;
307 const char *DTPRel64Directive = nullptr;
308 const char *TPRel32Directive = nullptr;
309 const char *TPRel64Directive = nullptr;
310
311 /// This is true if this target uses "Sun Style" syntax for section switching
312 /// ("#alloc,#write" etc) instead of the normal ELF syntax (,"a,w") in
313 /// .section directives. Defaults to false.
315
316 /// This is true if this target uses ELF '.section' directive before the
317 /// '.bss' one. It's used for PPC/Linux which doesn't support the '.bss'
318 /// directive only. Defaults to false.
320
322
323 //===--- Alignment Information ----------------------------------------===//
324
325 /// If this is true (the default) then the asmprinter emits ".align N"
326 /// directives, where N is the number of bytes to align to. Otherwise, it
327 /// emits ".align log2(N)", e.g. 3 to align to an 8 byte boundary. Defaults
328 /// to true.
330
331 /// If non-zero, this is used to fill the executable space created as the
332 /// result of a alignment directive. Defaults to 0
333 unsigned TextAlignFillValue = 0;
334
335 //===--- Global Variable Emission Directives --------------------------===//
336
337 /// This is the directive used to declare a global entity. Defaults to
338 /// ".globl".
339 const char *GlobalDirective;
340
341 /// True if the expression
342 /// .long f - g
343 /// uses a relocation but it can be suppressed by writing
344 /// a = f - g
345 /// .long a
347
348 /// False if the assembler requires that we use
349 /// \code
350 /// Lc = a - b
351 /// .long Lc
352 /// \endcode
353 //
354 /// instead of
355 //
356 /// \code
357 /// .long a - b
358 /// \endcode
359 ///
360 /// Defaults to true.
362
363 /// True is .comm's and .lcomms optional alignment is to be specified in bytes
364 /// instead of log2(n). Defaults to true.
366
367 /// Describes if the .lcomm directive for the target supports an alignment
368 /// argument and how it is interpreted. Defaults to NoAlignment.
370
371 /// True if the target only has basename for .file directive. False if the
372 /// target also needs the directory along with the basename. Defaults to true.
374
375 /// True if the target represents string constants as mostly raw characters in
376 /// paired double quotation with paired double quotation marks as the escape
377 /// mechanism to represent a double quotation mark within the string. Defaults
378 /// to false.
380
381 // True if the target allows .align directives on functions. This is true for
382 // most targets, so defaults to true.
384
385 /// True if the target has .type and .size directives, this is true for most
386 /// ELF targets. Defaults to true.
388
389 /// True if the target has a single parameter .file directive, this is true
390 /// for ELF targets. Defaults to true.
392
393 /// True if the target has a four strings .file directive, strings seperated
394 /// by comma. Defaults to false.
396
397 /// True if the target has a .ident directive, this is true for ELF targets.
398 /// Defaults to false.
399 bool HasIdentDirective = false;
400
401 /// True if this target supports the MachO .no_dead_strip directive. Defaults
402 /// to false.
403 bool HasNoDeadStrip = false;
404
405 /// True if this target supports the MachO .alt_entry directive. Defaults to
406 /// false.
407 bool HasAltEntry = false;
408
409 /// Used to declare a global as being a weak symbol. Defaults to ".weak".
410 const char *WeakDirective;
411
412 /// This directive, if non-null, is used to declare a global as being a weak
413 /// undefined symbol. Defaults to nullptr.
414 const char *WeakRefDirective = nullptr;
415
416 /// True if we have a directive to declare a global as being a weak defined
417 /// symbol. Defaults to false.
419
420 /// True if we have a directive to declare a global as being a weak defined
421 /// symbol that can be hidden (unexported). Defaults to false.
423
424 /// True if we should mark symbols as global instead of weak, for
425 /// weak*/linkonce*, if the symbol has a comdat.
426 /// Defaults to false.
427 bool AvoidWeakIfComdat = false;
428
429 /// This attribute, if not MCSA_Invalid, is used to declare a symbol as having
430 /// hidden visibility. Defaults to MCSA_Hidden.
432
433 /// This attribute, if not MCSA_Invalid, is used to declare a symbol as having
434 /// exported visibility. Defaults to MCSA_Exported.
436
437 /// This attribute, if not MCSA_Invalid, is used to declare an undefined
438 /// symbol as having hidden visibility. Defaults to MCSA_Hidden.
440
441 /// This attribute, if not MCSA_Invalid, is used to declare a symbol as having
442 /// protected visibility. Defaults to MCSA_Protected
444
446
447 //===--- Dwarf Emission Directives -----------------------------------===//
448
449 /// True if target supports emission of debugging information. Defaults to
450 /// false.
452
453 /// Exception handling format for the target. Defaults to None.
455
456 /// True if target uses CFI unwind information for debugging purpose when
457 /// `ExceptionsType == ExceptionHandling::None`.
458 bool UsesCFIForDebug = false;
459
460 /// Windows exception handling data (.pdata) encoding. Defaults to Invalid.
462
463 /// True if Dwarf2 output generally uses relocations for references to other
464 /// .debug_* sections.
466
467 /// True if DWARF FDE symbol reference relocations should be replaced by an
468 /// absolute difference.
470
471 /// True if the target supports generating the DWARF line table through using
472 /// the .loc/.file directives. Defaults to true.
474
475 /// True if DWARF `.file directory' directive syntax is used by
476 /// default.
478
479 /// True if the target needs the DWARF section length in the header (if any)
480 /// of the DWARF section in the assembly file. Defaults to true.
482
483 /// True if dwarf register numbers are printed instead of symbolic register
484 /// names in .cfi_* directives. Defaults to false.
485 bool DwarfRegNumForCFI = false;
486
487 /// True if target uses parens to indicate the symbol variant instead of @.
488 /// For example, foo(plt) instead of foo@plt. Defaults to false.
490
491 /// True if the target uses parens for symbol names starting with
492 /// '$' character to distinguish them from absolute names.
494
495 /// True if the target supports flags in ".loc" directive, false if only
496 /// location is allowed.
498
499 //===--- Prologue State ----------------------------------------------===//
500
501 std::vector<MCCFIInstruction> InitialFrameState;
502
503 //===--- Integrated Assembler Information ----------------------------===//
504
505 // Generated object files can use all ELF features supported by GNU ld of
506 // this binutils version and later. INT_MAX means all features can be used,
507 // regardless of GNU ld support. The default value is referenced by
508 // clang/Driver/Options.td.
509 std::pair<int, int> BinutilsVersion = {2, 26};
510
511 /// Should we use the integrated assembler?
512 /// The integrated assembler should be enabled by default (by the
513 /// constructors) when failing to parse a valid piece of assembly (inline
514 /// or otherwise) is considered a bug. It may then be overridden after
515 /// construction (see LLVMTargetMachine::initAsmInfo()).
517
518 /// Use AsmParser to parse inlineAsm when UseIntegratedAssembler is not set.
520
521 /// Preserve Comments in assembly
523
524 /// Compress DWARF debug sections. Defaults to no compression.
526
527 /// True if the integrated assembler should interpret 'a >> b' constant
528 /// expressions as logical rather than arithmetic.
529 bool UseLogicalShr = true;
530
531 // If true, emit GOTPCRELX/REX_GOTPCRELX instead of GOTPCREL, on
532 // X86_64 ELF.
534
535 // If true, then the lexer and expression parser will support %neg(),
536 // %hi(), and similar unary operators.
537 bool HasMipsExpressions = false;
538
539 // If true, use Motorola-style integers in Assembly (ex. $0ac).
541
542 // If true, emit function descriptor symbol on AIX.
544
545public:
546 explicit MCAsmInfo();
547 virtual ~MCAsmInfo();
548
549 /// Get the code pointer size in bytes.
550 unsigned getCodePointerSize() const { return CodePointerSize; }
551
552 /// Get the callee-saved register stack slot
553 /// size in bytes.
554 unsigned getCalleeSaveStackSlotSize() const {
556 }
557
558 /// True if the target is little endian.
559 bool isLittleEndian() const { return IsLittleEndian; }
560
561 /// True if target stack grow up.
562 bool isStackGrowthDirectionUp() const { return StackGrowsUp; }
563
565
566 // Data directive accessors.
567
568 const char *getData8bitsDirective() const { return Data8bitsDirective; }
569 const char *getData16bitsDirective() const { return Data16bitsDirective; }
570 const char *getData32bitsDirective() const { return Data32bitsDirective; }
571 const char *getData64bitsDirective() const { return Data64bitsDirective; }
572 bool supportsSignedData() const { return SupportsSignedData; }
573 const char *getGPRel64Directive() const { return GPRel64Directive; }
574 const char *getGPRel32Directive() const { return GPRel32Directive; }
575 const char *getDTPRel64Directive() const { return DTPRel64Directive; }
576 const char *getDTPRel32Directive() const { return DTPRel32Directive; }
577 const char *getTPRel64Directive() const { return TPRel64Directive; }
578 const char *getTPRel32Directive() const { return TPRel32Directive; }
579
580 /// Targets can implement this method to specify a section to switch to if the
581 /// translation unit doesn't have any trampolines that require an executable
582 /// stack.
584 return nullptr;
585 }
586
587 /// True if the section is atomized using the symbols in it.
588 /// This is false if the section is not atomized at all (most ELF sections) or
589 /// if it is atomized based on its contents (MachO' __TEXT,__cstring for
590 /// example).
591 virtual bool isSectionAtomizableBySymbols(const MCSection &Section) const;
592
593 virtual const MCExpr *getExprForPersonalitySymbol(const MCSymbol *Sym,
594 unsigned Encoding,
595 MCStreamer &Streamer) const;
596
597 virtual const MCExpr *getExprForFDESymbol(const MCSymbol *Sym,
598 unsigned Encoding,
599 MCStreamer &Streamer) const;
600
601 /// Return true if C is an acceptable character inside a symbol name.
602 virtual bool isAcceptableChar(char C) const;
603
604 /// Return true if the identifier \p Name does not need quotes to be
605 /// syntactically correct.
606 virtual bool isValidUnquotedName(StringRef Name) const;
607
608 /// Return true if the .section directive should be omitted when
609 /// emitting \p SectionName. For example:
610 ///
611 /// shouldOmitSectionDirective(".text")
612 ///
613 /// returns false => .section .text,#alloc,#execinstr
614 /// returns true => .text
616
619 }
620
623 }
624
627 }
628
629 // Accessors.
630
637 }
638
639 /// Returns the maximum possible encoded instruction size in bytes. If \p STI
640 /// is null, this should be the maximum size for any subtarget.
641 virtual unsigned getMaxInstLength(const MCSubtargetInfo *STI = nullptr) const {
642 return MaxInstLength;
643 }
644
645 unsigned getMinInstAlignment() const { return MinInstAlignment; }
646 bool getDollarIsPC() const { return DollarIsPC; }
647 bool getDotIsPC() const { return DotIsPC; }
648 bool getStarIsPC() const { return StarIsPC; }
649 const char *getSeparatorString() const { return SeparatorString; }
650
651 /// This indicates the column (zero-based) at which asm comments should be
652 /// printed.
653 unsigned getCommentColumn() const { return 40; }
654
658 }
662 }
663 const char *getLabelSuffix() const { return LabelSuffix; }
665
667 bool needsLocalForSize() const { return NeedsLocalForSize; }
670
673 }
674
678 return getPrivateGlobalPrefix();
679 }
680
681 const char *getInlineAsmStart() const { return InlineAsmStart; }
682 const char *getInlineAsmEnd() const { return InlineAsmEnd; }
683 const char *getCode16Directive() const { return Code16Directive; }
684 const char *getCode32Directive() const { return Code32Directive; }
685 const char *getCode64Directive() const { return Code64Directive; }
686 unsigned getAssemblerDialect() const { return AssemblerDialect; }
687 bool doesAllowAtInName() const { return AllowAtInName; }
688 void setAllowAtInName(bool V) { AllowAtInName = V; }
691 }
694 }
697 }
700 }
702
705 }
706
709 }
710
712
713 const char *getZeroDirective() const { return ZeroDirective; }
716 }
717 const char *getAsciiDirective() const { return AsciiDirective; }
718 const char *getAscizDirective() const { return AscizDirective; }
719 const char *getByteListDirective() const { return ByteListDirective; }
720 const char *getPlainStringDirective() const { return PlainStringDirective; }
723 }
725 unsigned getTextAlignFillValue() const { return TextAlignFillValue; }
726 const char *getGlobalDirective() const { return GlobalDirective; }
727
730 }
731
733
736 }
737
740 }
741
744 }
747 }
752 bool hasIdentDirective() const { return HasIdentDirective; }
753 bool hasNoDeadStrip() const { return HasNoDeadStrip; }
754 bool hasAltEntry() const { return HasAltEntry; }
755 const char *getWeakDirective() const { return WeakDirective; }
756 const char *getWeakRefDirective() const { return WeakRefDirective; }
758
761 }
762
763 bool avoidWeakIfComdat() const { return AvoidWeakIfComdat; }
764
766
768
771 }
772
775 }
776
778
780
783
785 ExceptionsType = EH;
786 }
787
788 bool doesUseCFIForDebug() const { return UsesCFIForDebug; }
789
790 /// Returns true if the exception handling method for the platform uses call
791 /// frame information to unwind.
792 bool usesCFIForEH() const {
795 }
796
797 bool usesWindowsCFI() const {
801 }
802
805 }
806
812 }
815 }
816
819 }
820
823 }
824
827 }
828
829 void addInitialFrameState(const MCCFIInstruction &Inst);
830
831 const std::vector<MCCFIInstruction> &getInitialFrameState() const {
832 return InitialFrameState;
833 }
834
835 void setBinutilsVersion(std::pair<int, int> Value) {
837 }
838
839 /// Return true if assembly (inline or otherwise) should be parsed.
841
842 /// Return true if target want to use AsmParser to parse inlineasm.
845 }
846
847 bool binutilsIsAtLeast(int Major, int Minor) const {
848 return BinutilsVersion >= std::make_pair(Major, Minor);
849 }
850
851 /// Set whether assembly (inline or otherwise) should be parsed.
852 virtual void setUseIntegratedAssembler(bool Value) {
854 }
855
856 /// Set whether target want to use AsmParser to parse inlineasm.
859 }
860
861 /// Return true if assembly (inline or otherwise) should be parsed.
863
864 /// Set whether assembly (inline or otherwise) should be parsed.
865 virtual void setPreserveAsmComments(bool Value) {
867 }
868
871 }
872
874 this->CompressDebugSections = CompressDebugSections;
875 }
876
877 bool shouldUseLogicalShr() const { return UseLogicalShr; }
878
881 bool hasMipsExpressions() const { return HasMipsExpressions; }
884};
885
886} // end namespace llvm
887
888#endif // LLVM_MC_MCASMINFO_H
std::string Name
This class is intended to be used as a base class for asm properties and features specific to the tar...
Definition: MCAsmInfo.h:56
StringRef getPrivateGlobalPrefix() const
Definition: MCAsmInfo.h:668
bool RestrictCommentStringToStartOfStatement
This indicates whether the comment string is only accepted as a comment at the beginning of statement...
Definition: MCAsmInfo.h:139
bool needsFunctionDescriptors() const
Definition: MCAsmInfo.h:882
const char * Data16bitsDirective
Definition: MCAsmInfo.h:286
bool hasCOFFAssociativeComdats() const
Definition: MCAsmInfo.h:633
void addInitialFrameState(const MCCFIInstruction &Inst)
Definition: MCAsmInfo.cpp:86
bool NeedsDwarfSectionOffsetDirective
Definition: MCAsmInfo.h:321
bool useParensForSymbolVariant() const
Definition: MCAsmInfo.h:809
DebugCompressionType compressDebugSections() const
Definition: MCAsmInfo.h:869
const char * getPlainStringDirective() const
Definition: MCAsmInfo.h:720
const char * getLabelSuffix() const
Definition: MCAsmInfo.h:663
void setAllowAtInName(bool V)
Definition: MCAsmInfo.h:688
MCSymbolAttr ExportedVisibilityAttr
This attribute, if not MCSA_Invalid, is used to declare a symbol as having exported visibility.
Definition: MCAsmInfo.h:435
bool preserveAsmComments() const
Return true if assembly (inline or otherwise) should be parsed.
Definition: MCAsmInfo.h:862
bool supportsSignedData() const
Definition: MCAsmInfo.h:572
const char * getInlineAsmStart() const
Definition: MCAsmInfo.h:681
bool HasAltEntry
True if this target supports the MachO .alt_entry directive.
Definition: MCAsmInfo.h:407
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:306
bool hasDotTypeDotSizeDirective() const
Definition: MCAsmInfo.h:749
bool isLittleEndian() const
True if the target is little endian.
Definition: MCAsmInfo.h:559
unsigned MinInstAlignment
Every possible instruction length is a multiple of this value.
Definition: MCAsmInfo.h:115
bool HasNoDeadStrip
True if this target supports the MachO .no_dead_strip directive.
Definition: MCAsmInfo.h:403
bool AllowAdditionalComments
This indicates whether to allow additional "comment strings" to be lexed as a comment.
Definition: MCAsmInfo.h:147
const char * PlainStringDirective
This directive allows emission of a zero-terminated ascii string without the standard C escape charac...
Definition: MCAsmInfo.h:274
bool RelaxELFRelocations
Definition: MCAsmInfo.h:533
unsigned TextAlignFillValue
If non-zero, this is used to fill the executable space created as the result of a alignment directive...
Definition: MCAsmInfo.h:333
bool AllowQuestionAtStartOfIdentifier
This is true if the assembler allows the "?" character at the start of of a string to be lexed as an ...
Definition: MCAsmInfo.h:204
bool useIntegratedAssembler() const
Return true if assembly (inline or otherwise) should be parsed.
Definition: MCAsmInfo.h:840
MCSymbolAttr ProtectedVisibilityAttr
This attribute, if not MCSA_Invalid, is used to declare a symbol as having protected visibility.
Definition: MCAsmInfo.h:443
bool HasFunctionAlignment
Definition: MCAsmInfo.h:383
bool HasBasenameOnlyForFileDirective
True if the target only has basename for .file directive.
Definition: MCAsmInfo.h:373
const char * AsciiDirective
This directive allows emission of an ascii string with the standard C escape characters embedded into...
Definition: MCAsmInfo.h:259
bool hasBasenameOnlyForFileDirective() const
Definition: MCAsmInfo.h:742
std::vector< MCCFIInstruction > InitialFrameState
Definition: MCAsmInfo.h:501
void setCompressDebugSections(DebugCompressionType CompressDebugSections)
Definition: MCAsmInfo.h:873
bool getRestrictCommentStringToStartOfStatement() const
Definition: MCAsmInfo.h:656
MCSymbolAttr getProtectedVisibilityAttr() const
Definition: MCAsmInfo.h:773
bool usesSunStyleELFSectionSwitchSyntax() const
Definition: MCAsmInfo.h:617
bool doesAllowDollarAtStartOfIdentifier() const
Definition: MCAsmInfo.h:695
const char * Code64Directive
Definition: MCAsmInfo.h:190
virtual unsigned getMaxInstLength(const MCSubtargetInfo *STI=nullptr) const
Returns the maximum possible encoded instruction size in bytes.
Definition: MCAsmInfo.h:641
unsigned getMinInstAlignment() const
Definition: MCAsmInfo.h:645
bool hasLEB128Directives() const
Definition: MCAsmInfo.h:711
bool doesSupportDataRegionDirectives() const
Definition: MCAsmInfo.h:703
const char * Code32Directive
Definition: MCAsmInfo.h:189
virtual bool isSectionAtomizableBySymbols(const MCSection &Section) const
True if the section is atomized using the symbols in it.
Definition: MCAsmInfo.cpp:90
MCSymbolAttr getExportedVisibilityAttr() const
Definition: MCAsmInfo.h:767
const char * ByteListDirective
This directive accepts a comma-separated list of bytes for emission as a string of bytes.
Definition: MCAsmInfo.h:269
bool HasSubsectionsViaSymbols
True if this target has the MachO .subsections_via_symbols directive.
Definition: MCAsmInfo.h:86
const char * getTPRel64Directive() const
Definition: MCAsmInfo.h:577
bool HasFourStringsDotFile
True if the target has a four strings .file directive, strings seperated by comma.
Definition: MCAsmInfo.h:395
const char * getData32bitsDirective() const
Definition: MCAsmInfo.h:570
const char * Data8bitsDirective
These directives are used to output some unit of integer data to the current section.
Definition: MCAsmInfo.h:285
const char * Data64bitsDirective
Definition: MCAsmInfo.h:288
const std::vector< MCCFIInstruction > & getInitialFrameState() const
Definition: MCAsmInfo.h:831
const char * DTPRel64Directive
Definition: MCAsmInfo.h:307
bool hasFourStringsDotFile() const
Definition: MCAsmInfo.h:751
void setRelaxELFRelocations(bool V)
Definition: MCAsmInfo.h:880
unsigned getAssemblerDialect() const
Definition: MCAsmInfo.h:686
virtual void setUseIntegratedAssembler(bool Value)
Set whether assembly (inline or otherwise) should be parsed.
Definition: MCAsmInfo.h:852
bool DollarIsPC
The '$' token, when not referencing an identifier or constant, refers to the current PC.
Definition: MCAsmInfo.h:119
virtual ~MCAsmInfo()
const char * getInlineAsmEnd() const
Definition: MCAsmInfo.h:682
bool HasVisibilityOnlyWithLinkage
True if this is an XCOFF target that supports visibility attributes as part of .global,...
Definition: MCAsmInfo.h:107
bool UsesCFIForDebug
True if target uses CFI unwind information for debugging purpose when ExceptionsType == ExceptionHand...
Definition: MCAsmInfo.h:458
unsigned getTextAlignFillValue() const
Definition: MCAsmInfo.h:725
StringRef getLinkerPrivateGlobalPrefix() const
Definition: MCAsmInfo.h:675
bool doesAllowAtInName() const
Definition: MCAsmInfo.h:687
bool useDwarfRegNumForCFI() const
Definition: MCAsmInfo.h:808
bool useAssignmentForEHBegin() const
Definition: MCAsmInfo.h:666
bool hasMipsExpressions() const
Definition: MCAsmInfo.h:881
bool supportsExtendedDwarfLocDirective() const
Definition: MCAsmInfo.h:813
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:427
bool UsesDwarfFileAndLocDirectives
True if the target supports generating the DWARF line table through using the .loc/....
Definition: MCAsmInfo.h:473
bool NeedsLocalForSize
Definition: MCAsmInfo.h:163
bool canRelaxRelocations() const
Definition: MCAsmInfo.h:879
StringRef getPrivateLabelPrefix() const
Definition: MCAsmInfo.h:669
ExceptionHandling ExceptionsType
Exception handling format for the target. Defaults to None.
Definition: MCAsmInfo.h:454
bool shouldEmitLabelsInUpperCase() const
Definition: MCAsmInfo.h:664
bool AllowDollarAtStartOfIdentifier
This is true if the assembler allows the "$" character at the start of of a string to be lexed as an ...
Definition: MCAsmInfo.h:211
bool PreserveAsmComments
Preserve Comments in assembly.
Definition: MCAsmInfo.h:522
const char * LabelSuffix
This is appended to emitted labels. Defaults to ":".
Definition: MCAsmInfo.h:154
StringRef PrivateGlobalPrefix
This prefix is used for globals like constant pool entries that are completely private to the ....
Definition: MCAsmInfo.h:168
bool DwarfFDESymbolsUseAbsDiff
True if DWARF FDE symbol reference relocations should be replaced by an absolute difference.
Definition: MCAsmInfo.h:469
const char * getData8bitsDirective() const
Definition: MCAsmInfo.h:568
const char * getTPRel32Directive() const
Definition: MCAsmInfo.h:578
bool hasAltEntry() const
Definition: MCAsmInfo.h:754
const char * TPRel64Directive
Definition: MCAsmInfo.h:309
const char * getData64bitsDirective() const
Definition: MCAsmInfo.h:571
AsmCharLiteralSyntax characterLiteralSyntax() const
Definition: MCAsmInfo.h:721
bool avoidWeakIfComdat() const
Definition: MCAsmInfo.h:763
bool UseDotAlignForAlignment
True if .align is to be used for alignment.
Definition: MCAsmInfo.h:238
const char * getByteListDirective() const
Definition: MCAsmInfo.h:719
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:346
bool hasVisibilityOnlyWithLinkage() const
Definition: MCAsmInfo.h:635
const char * getCode16Directive() const
Definition: MCAsmInfo.h:683
const char * Data32bitsDirective
Definition: MCAsmInfo.h:287
bool UseIntegratedAssembler
Should we use the integrated assembler? The integrated assembler should be enabled by default (by the...
Definition: MCAsmInfo.h:516
bool hasMachoZeroFillDirective() const
Definition: MCAsmInfo.h:631
bool shouldUseMotorolaIntegers() const
Definition: MCAsmInfo.h:883
bool supportsNameQuoting() const
Definition: MCAsmInfo.h:701
bool AllowAtAtStartOfIdentifier
This is true if the assembler allows the "@" character at the start of a string to be lexed as an Asm...
Definition: MCAsmInfo.h:218
const char * getGPRel64Directive() const
Definition: MCAsmInfo.h:573
const char * Code16Directive
These are assembly directives that tells the assembler to interpret the following instructions differ...
Definition: MCAsmInfo.h:188
bool UseLogicalShr
True if the integrated assembler should interpret 'a >> b' constant expressions as logical rather tha...
Definition: MCAsmInfo.h:529
bool UseMotorolaIntegers
Definition: MCAsmInfo.h:540
MCSymbolAttr getHiddenDeclarationVisibilityAttr() const
Definition: MCAsmInfo.h:769
const char * GlobalDirective
This is the directive used to declare a global entity.
Definition: MCAsmInfo.h:339
bool getStarIsPC() const
Definition: MCAsmInfo.h:648
bool hasWeakDefDirective() const
Definition: MCAsmInfo.h:757
LCOMM::LCOMMType LCOMMDirectiveAlignmentType
Describes if the .lcomm directive for the target supports an alignment argument and how it is interpr...
Definition: MCAsmInfo.h:369
bool hasWeakDefCanBeHiddenDirective() const
Definition: MCAsmInfo.h:759
WinEH::EncodingType WinEHEncodingType
Windows exception handling data (.pdata) encoding. Defaults to Invalid.
Definition: MCAsmInfo.h:461
bool HasCOFFComdatConstants
True if this is a non-GNU COFF target.
Definition: MCAsmInfo.h:103
virtual void setPreserveAsmComments(bool Value)
Set whether assembly (inline or otherwise) should be parsed.
Definition: MCAsmInfo.h:865
bool hasLinkerPrivateGlobalPrefix() const
Definition: MCAsmInfo.h:671
const char * WeakRefDirective
This directive, if non-null, is used to declare a global as being a weak undefined symbol.
Definition: MCAsmInfo.h:414
StringRef PrivateLabelPrefix
This prefix is used for labels for basic blocks.
Definition: MCAsmInfo.h:172
bool DotIsPC
Allow '.
Definition: MCAsmInfo.h:123
bool doesUseCFIForDebug() const
Definition: MCAsmInfo.h:788
LCOMM::LCOMMType getLCOMMDirectiveAlignmentType() const
Definition: MCAsmInfo.h:738
bool needsDwarfSectionOffsetDirective() const
Definition: MCAsmInfo.h:625
bool shouldUseLogicalShr() const
Definition: MCAsmInfo.h:877
DebugCompressionType CompressDebugSections
Compress DWARF debug sections. Defaults to no compression.
Definition: MCAsmInfo.h:525
bool HasDotTypeDotSizeDirective
True if the target has .type and .size directives, this is true for most ELF targets.
Definition: MCAsmInfo.h:387
bool usesCFIForEH() const
Returns true if the exception handling method for the platform uses call frame information to unwind.
Definition: MCAsmInfo.h:792
bool AllowAtInName
This is true if the assembler allows @ characters in symbol names.
Definition: MCAsmInfo.h:197
bool EmitLabelsInUpperCase
Emit labels in purely upper case. Defaults to false.
Definition: MCAsmInfo.h:157
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
const char * TPRel32Directive
Definition: MCAsmInfo.h:308
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:422
StringRef getCommentString() const
Definition: MCAsmInfo.h:655
const char * getAscizDirective() const
Definition: MCAsmInfo.h:718
bool StarIsPC
Whether the '*' token refers to the current PC.
Definition: MCAsmInfo.h:127
bool SunStyleELFSectionSwitchSyntax
This is true if this target uses "Sun Style" syntax for section switching ("#alloc,...
Definition: MCAsmInfo.h:314
const char * InlineAsmStart
If these are nonempty, they contain a directive to emit before and after an inline assembly statement...
Definition: MCAsmInfo.h:182
bool useParensForDollarSignNames() const
Definition: MCAsmInfo.h:810
bool UseAssignmentForEHBegin
Definition: MCAsmInfo.h:160
bool HasCOFFAssociativeComdats
True if this is a non-GNU COFF target.
Definition: MCAsmInfo.h:99
bool doesSupportDebugInformation() const
Definition: MCAsmInfo.h:779
bool doesSetDirectiveSuppressReloc() const
Definition: MCAsmInfo.h:728
bool ParseInlineAsmUsingAsmParser
Use AsmParser to parse inlineAsm when UseIntegratedAssembler is not set.
Definition: MCAsmInfo.h:519
bool getDotIsPC() const
Definition: MCAsmInfo.h:647
WinEH::EncodingType getWinEHEncodingType() const
Definition: MCAsmInfo.h:782
bool HasWeakDefDirective
True if we have a directive to declare a global as being a weak defined symbol.
Definition: MCAsmInfo.h:418
bool doesDwarfUseRelocationsAcrossSections() const
Definition: MCAsmInfo.h:803
const char * getDTPRel64Directive() const
Definition: MCAsmInfo.h:575
bool UsesELFSectionDirectiveForBSS
This is true if this target uses ELF '.section' directive before the '.bss' one.
Definition: MCAsmInfo.h:319
virtual void setParseInlineAsmUsingAsmParser(bool Value)
Set whether target want to use AsmParser to parse inlineasm.
Definition: MCAsmInfo.h:857
const char * getZeroDirective() const
Definition: MCAsmInfo.h:713
bool EnableDwarfFileDirectoryDefault
True if DWARF ‘.file directory’ directive syntax is used by default.
Definition: MCAsmInfo.h:477
bool DwarfSectionSizeRequired
True if the target needs the DWARF section length in the header (if any) of the DWARF section in the ...
Definition: MCAsmInfo.h:481
MCSymbolAttr getMemtagAttr() const
Definition: MCAsmInfo.h:777
StringRef LinkerPrivateGlobalPrefix
This prefix is used for symbols that should be passed through the assembler but be removed by the lin...
Definition: MCAsmInfo.h:178
bool SupportsDebugInformation
True if target supports emission of debugging information.
Definition: MCAsmInfo.h:451
const char * getWeakDirective() const
Definition: MCAsmInfo.h:755
virtual const MCExpr * getExprForFDESymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const
Definition: MCAsmInfo.cpp:102
bool StackGrowsUp
True if target stack grow up. Default is false.
Definition: MCAsmInfo.h:82
bool HasMachoTBSSDirective
True if this is a MachO target that supports the macho-specific .tbss directive for emitting thread l...
Definition: MCAsmInfo.h:94
bool hasSubsectionsViaSymbols() const
Definition: MCAsmInfo.h:564
const char * InlineAsmEnd
Definition: MCAsmInfo.h:183
const char * getData16bitsDirective() const
Definition: MCAsmInfo.h:569
const char * getSeparatorString() const
Definition: MCAsmInfo.h:649
bool SupportsSignedData
True if data directives support signed values.
Definition: MCAsmInfo.h:291
bool doesAllowAtAtStartOfIdentifier() const
Definition: MCAsmInfo.h:692
bool getCOMMDirectiveAlignmentIsInBytes() const
Definition: MCAsmInfo.h:734
bool isStackGrowthDirectionUp() const
True if target stack grow up.
Definition: MCAsmInfo.h:562
virtual bool isAcceptableChar(char C) const
Return true if C is an acceptable character inside a symbol name.
Definition: MCAsmInfo.cpp:116
unsigned AssemblerDialect
Which dialect of an assembler variant to use. Defaults to 0.
Definition: MCAsmInfo.h:193
const char * SeparatorString
This string, if specified, is used to separate instructions from each other when on the same line.
Definition: MCAsmInfo.h:131
virtual bool shouldOmitSectionDirective(StringRef SectionName) const
Return true if the .section directive should be omitted when emitting SectionName.
Definition: MCAsmInfo.cpp:137
bool getEmitGNUAsmStartIndentationMarker() const
Definition: MCAsmInfo.h:660
MCSymbolAttr HiddenDeclarationVisibilityAttr
This attribute, if not MCSA_Invalid, is used to declare an undefined symbol as having hidden visibili...
Definition: MCAsmInfo.h:439
bool doesAllowHashAtStartOfIdentifier() const
Definition: MCAsmInfo.h:698
bool HasMipsExpressions
Definition: MCAsmInfo.h:537
bool hasPairedDoubleQuoteStringConstants() const
Definition: MCAsmInfo.h:745
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:301
bool shouldAllowAdditionalComments() const
Definition: MCAsmInfo.h:659
unsigned getCalleeSaveStackSlotSize() const
Get the callee-saved register stack slot size in bytes.
Definition: MCAsmInfo.h:554
bool HasIdentDirective
True if the target has a .ident directive, this is true for ELF targets.
Definition: MCAsmInfo.h:399
bool UseParensForDollarSignNames
True if the target uses parens for symbol names starting with '$' character to distinguish them from ...
Definition: MCAsmInfo.h:493
bool DwarfUsesRelocationsAcrossSections
True if Dwarf2 output generally uses relocations for references to other .debug_* sections.
Definition: MCAsmInfo.h:465
bool needsDwarfSectionSizeInHeader() const
Definition: MCAsmInfo.h:821
bool parseInlineAsmUsingAsmParser() const
Return true if target want to use AsmParser to parse inlineasm.
Definition: MCAsmInfo.h:843
bool HasSingleParameterDotFile
True if the target has a single parameter .file directive, this is true for ELF targets.
Definition: MCAsmInfo.h:391
void setBinutilsVersion(std::pair< int, int > Value)
Definition: MCAsmInfo.h:835
bool hasMachoTBSSDirective() const
Definition: MCAsmInfo.h:632
bool doDwarfFDESymbolsUseAbsDiff() const
Definition: MCAsmInfo.h:807
const char * getGlobalDirective() const
Definition: MCAsmInfo.h:726
const char * getCode32Directive() const
Definition: MCAsmInfo.h:684
void setExceptionsType(ExceptionHandling EH)
Definition: MCAsmInfo.h:784
bool doesAllowQuestionAtStartOfIdentifier() const
Definition: MCAsmInfo.h:689
bool COMMDirectiveAlignmentIsInBytes
True is .comm's and .lcomms optional alignment is to be specified in bytes instead of log2(n).
Definition: MCAsmInfo.h:365
bool getAlignmentIsInBytes() const
Definition: MCAsmInfo.h:724
bool AlignmentIsInBytes
If this is true (the default) then the asmprinter emits ".align N" directives, where N is the number ...
Definition: MCAsmInfo.h:329
bool usesWindowsCFI() const
Definition: MCAsmInfo.h:797
bool usesELFSectionDirectiveForBSS() const
Definition: MCAsmInfo.h:621
AsmCharLiteralSyntax CharacterLiteralSyntax
Form used for character literals in the assembly syntax.
Definition: MCAsmInfo.h:279
bool getDollarIsPC() const
Definition: MCAsmInfo.h:646
bool SupportsExtendedDwarfLocDirective
True if the target supports flags in ".loc" directive, false if only location is allowed.
Definition: MCAsmInfo.h:497
bool NeedsFunctionDescriptors
Definition: MCAsmInfo.h:543
bool EmitGNUAsmStartIndentationMarker
Should we emit the '\t' as the starting indentation marker for GNU inline asm statements.
Definition: MCAsmInfo.h:151
bool binutilsIsAtLeast(int Major, int Minor) const
Definition: MCAsmInfo.h:847
bool ZeroDirectiveSupportsNonZeroValue
This should be set to true if the zero directive supports a value to emit other than zero.
Definition: MCAsmInfo.h:254
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:249
unsigned getCommentColumn() const
This indicates the column (zero-based) at which asm comments should be printed.
Definition: MCAsmInfo.h:653
bool hasAggressiveSymbolFolding() const
Definition: MCAsmInfo.h:732
MCSymbolAttr MemtagAttr
Definition: MCAsmInfo.h:445
MCSymbolAttr getHiddenVisibilityAttr() const
Definition: MCAsmInfo.h:765
const char * getCode64Directive() const
Definition: MCAsmInfo.h:685
bool SupportsQuotedNames
If this is true, symbol names with invalid characters will be printed in quotes.
Definition: MCAsmInfo.h:229
bool hasSingleParameterDotFile() const
Definition: MCAsmInfo.h:750
const char * AscizDirective
If not null, this allows for special handling of zero terminated strings on this target.
Definition: MCAsmInfo.h:264
bool UseDataRegionDirectives
This is true if data region markers should be printed as ".data_region/.end_data_region" directives.
Definition: MCAsmInfo.h:234
bool doesZeroDirectiveSupportNonZeroValue() const
Definition: MCAsmInfo.h:714
bool HasAggressiveSymbolFolding
False if the assembler requires that we use.
Definition: MCAsmInfo.h:361
bool DwarfRegNumForCFI
True if dwarf register numbers are printed instead of symbolic register names in ....
Definition: MCAsmInfo.h:485
const char * getAsciiDirective() const
Definition: MCAsmInfo.h:717
bool IsLittleEndian
True if target is little endian. Default is true.
Definition: MCAsmInfo.h:79
AsmCharLiteralSyntax
Assembly character literal syntax types.
Definition: MCAsmInfo.h:59
@ ACLS_SingleQuotePrefix
Unknown; character literals not used by LLVM for this target.
Definition: MCAsmInfo.h:62
bool HasMachoZeroFillDirective
True if this is a MachO target that supports the macho-specific .zerofill directive for emitting BSS ...
Definition: MCAsmInfo.h:90
bool useDotAlignForAlignment() const
Definition: MCAsmInfo.h:707
unsigned CodePointerSize
Code pointer size in bytes. Default is 4.
Definition: MCAsmInfo.h:72
virtual const MCExpr * getExprForPersonalitySymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const
Definition: MCAsmInfo.cpp:95
bool UseParensForSymbolVariant
True if target uses parens to indicate the symbol variant instead of .
Definition: MCAsmInfo.h:489
std::pair< int, int > BinutilsVersion
Definition: MCAsmInfo.h:509
bool HasLEB128Directives
True if the target supports LEB128 directives.
Definition: MCAsmInfo.h:241
unsigned CalleeSaveStackSlotSize
Size of the stack slot reserved for callee-saved registers, in bytes.
Definition: MCAsmInfo.h:76
const char * getGPRel32Directive() const
Definition: MCAsmInfo.h:574
const char * getWeakRefDirective() const
Definition: MCAsmInfo.h:756
bool hasCOFFComdatConstants() const
Definition: MCAsmInfo.h:634
MCSymbolAttr HiddenVisibilityAttr
This attribute, if not MCSA_Invalid, is used to declare a symbol as having hidden visibility.
Definition: MCAsmInfo.h:431
virtual bool isValidUnquotedName(StringRef Name) const
Return true if the identifier Name does not need quotes to be syntactically correct.
Definition: MCAsmInfo.cpp:123
const char * getDTPRel32Directive() const
Definition: MCAsmInfo.h:576
bool hasNoDeadStrip() const
Definition: MCAsmInfo.h:753
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:583
ExceptionHandling getExceptionHandlingType() const
Definition: MCAsmInfo.h:781
StringRef CommentString
This indicates the comment string used by the assembler.
Definition: MCAsmInfo.h:135
bool needsLocalForSize() const
Definition: MCAsmInfo.h:667
bool AllowHashAtStartOfIdentifier
This is true if the assembler allows the "#" character at the start of a string to be lexed as an Asm...
Definition: MCAsmInfo.h:225
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:296
const char * WeakDirective
Used to declare a global as being a weak symbol. Defaults to ".weak".
Definition: MCAsmInfo.h:410
bool hasFunctionAlignment() const
Definition: MCAsmInfo.h:748
bool enableDwarfFileDirectoryDefault() const
Definition: MCAsmInfo.h:825
bool HasPairedDoubleQuoteStringConstants
True if the target represents string constants as mostly raw characters in paired double quotation wi...
Definition: MCAsmInfo.h:379
bool usesDwarfFileAndLocDirectives() const
Definition: MCAsmInfo.h:817
bool hasIdentDirective() const
Definition: MCAsmInfo.h:752
unsigned getCodePointerSize() const
Get the code pointer size in bytes.
Definition: MCAsmInfo.h:550
Context object for machine code objects.
Definition: MCContext.h:76
Base class for the full range of assembler expressions which are needed for parsing.
Definition: MCExpr.h:35
Instances of this class represent a uniqued identifier for a section in the current translation unit.
Definition: MCSection.h:39
Streaming machine code generation interface.
Definition: MCStreamer.h:212
Generic base class for all target subtargets.
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
Definition: MCSymbol.h:41
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
constexpr bool empty() const
empty - Check if the string is empty.
Definition: StringRef.h:134
LLVM Value Representation.
Definition: Value.h:74
@ C
The default llvm calling convention, compatible with C.
Definition: CallingConv.h:34
@ ByteAlignment
Definition: MCAsmInfo.h:50
@ Log2Alignment
Definition: MCAsmInfo.h:50
@ MIPS
Windows x86, uses no CFI, just EH tables.
@ Itanium
Windows CE ARM, PowerPC, SH3, SH4.
@ CE
Windows NT (Windows on ARM)
@ Alpha64
Windows Alpha.
@ X86
Windows x64, Windows Itanium (IA-64)
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
ExceptionHandling
@ None
No exception support.
@ DwarfCFI
DWARF-like instruction based exceptions.
@ WinEH
Windows Exception Handling.
DebugCompressionType
Definition: Compression.h:27
MCSymbolAttr
Definition: MCDirectives.h:18
@ MCSA_Memtag
.memtag (ELF)
Definition: MCDirectives.h:49
@ MCSA_Protected
.protected (ELF)
Definition: MCDirectives.h:43
@ MCSA_Exported
.globl _foo, exported (XCOFF)
Definition: MCDirectives.h:34
@ MCSA_Hidden
.hidden (ELF)
Definition: MCDirectives.h:33