MCAsmInfo.h revision c1a887d76d95100e7e05aa76e077710bc4e0b1cf
182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner//===-- llvm/MC/MCAsmInfo.h - Asm info --------------------------*- C++ -*-===// 282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner// 382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner// The LLVM Compiler Infrastructure 482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner// 582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner// This file is distributed under the University of Illinois Open Source 682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner// License. See LICENSE.TXT for details. 782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner// 882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner//===----------------------------------------------------------------------===// 982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner// 1082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner// This file contains a class to be used as the basis for target specific 1182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner// asm writers. This class primarily takes care of global printing constants, 1282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner// which are used in very similar ways across all targets. 1382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner// 1482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner//===----------------------------------------------------------------------===// 15af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner 1682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner#ifndef LLVM_TARGET_ASM_INFO_H 1782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner#define LLVM_TARGET_ASM_INFO_H 18af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner 19152a29bfa6fa505182658d046bc75626e10d67c3Chris Lattner#include "llvm/MC/MCDirectives.h" 2082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner#include <cassert> 2182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 2282d748d55c549dd055528ed10dbb534618ca8115Chris Lattnernamespace llvm { 23f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner class MCSection; 24f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner class MCContext; 25f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner 2682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// MCAsmInfo - This class is intended to be used as a base class for asm 2782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// properties and features specific to the target. 2882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner namespace ExceptionHandling { enum ExceptionsType { None, Dwarf, SjLj }; } 2982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 3082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner class MCAsmInfo { 3182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner protected: 3282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner //===------------------------------------------------------------------===// 3382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner // Properties to be set by the target writer, used to configure asm printer. 3482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner // 3582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 36f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner /// HasSubsectionsViaSymbols - True if this target has the MachO 37f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner /// .subsections_via_symbols directive. 38f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner bool HasSubsectionsViaSymbols; // Default is false. 39f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner 40aac138e84dee1cb3ffc1035b2a1e4361fe0b4f80Chris Lattner /// HasMachoZeroFillDirective - True if this is a MachO target that supports 41aac138e84dee1cb3ffc1035b2a1e4361fe0b4f80Chris Lattner /// the macho-specific .zerofill directive for emitting BSS Symbols. 4271eae713153e564ec743c5c4162ff258c255de78Chris Lattner bool HasMachoZeroFillDirective; // Default is false. 4371eae713153e564ec743c5c4162ff258c255de78Chris Lattner 4471eae713153e564ec743c5c4162ff258c255de78Chris Lattner /// HasStaticCtorDtorReferenceInStaticMode - True if the compiler should 4571eae713153e564ec743c5c4162ff258c255de78Chris Lattner /// emit a ".reference .constructors_used" or ".reference .destructors_used" 4671eae713153e564ec743c5c4162ff258c255de78Chris Lattner /// directive after the a static ctor/dtor list. This directive is only 4771eae713153e564ec743c5c4162ff258c255de78Chris Lattner /// emitted in Static relocation model. 4871eae713153e564ec743c5c4162ff258c255de78Chris Lattner bool HasStaticCtorDtorReferenceInStaticMode; // Default is false. 49aac138e84dee1cb3ffc1035b2a1e4361fe0b4f80Chris Lattner 5082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// MaxInstLength - This is the maximum possible length of an instruction, 5182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// which is needed to compute the size of an inline asm. 52eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling unsigned MaxInstLength; // Defaults to 4. 5382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 5482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// PCSymbol - The symbol used to represent the current PC. Used in PC 5582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// relative expressions. 56eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *PCSymbol; // Defaults to "$". 5782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 5882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// SeparatorChar - This character, if specified, is used to separate 5982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// instructions from each other when on the same line. This is used to 6082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// measure inline asm instructions. 61eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling char SeparatorChar; // Defaults to ';' 6282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 6382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// CommentColumn - This indicates the comment num (zero-based) at 6482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// which asm comments should be printed. 6573163f875ad7e5d56aa7d0d29509eb1e04542742Daniel Dunbar unsigned CommentColumn; // Defaults to 40 6682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 6782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// CommentString - This indicates the comment character used by the 6882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// assembler. 69eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *CommentString; // Defaults to "#" 7082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 7182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// GlobalPrefix - If this is set to a non-empty string, it is prepended 7282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// onto all global symbols. This is often used for "_" or ".". 73eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *GlobalPrefix; // Defaults to "" 7482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 7582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// PrivateGlobalPrefix - This prefix is used for globals like constant 7682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// pool entries that are completely private to the .s file and should not 7782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// have names in the .o file. This is often "." or "L". 78eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *PrivateGlobalPrefix; // Defaults to "." 7982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 8082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// LinkerPrivateGlobalPrefix - This prefix is used for symbols that should 8182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// be passed through the assembler but be removed by the linker. This 8282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// is "l" on Darwin, currently used for some ObjC metadata. 83eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *LinkerPrivateGlobalPrefix; // Defaults to "" 8482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 8582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// InlineAsmStart/End - If these are nonempty, they contain a directive to 8682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// emit before and after an inline assembly statement. 87eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *InlineAsmStart; // Defaults to "#APP\n" 88eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *InlineAsmEnd; // Defaults to "#NO_APP\n" 8982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 9082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// AssemblerDialect - Which dialect of an assembler variant to use. 91eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling unsigned AssemblerDialect; // Defaults to 0 9282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 9382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// AllowQuotesInName - This is true if the assembler allows for complex 9482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// symbol names to be surrounded in quotes. This defaults to false. 9582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner bool AllowQuotesInName; 96c6f729ed5519cdf398ca4039dbdbea4f81433ec0Anton Korobeynikov 97c6f729ed5519cdf398ca4039dbdbea4f81433ec0Anton Korobeynikov /// AllowNameToStartWithDigit - This is true if the assembler allows symbol 98c6f729ed5519cdf398ca4039dbdbea4f81433ec0Anton Korobeynikov /// names to start with a digit (e.g., "0x0021"). This defaults to false. 99c6f729ed5519cdf398ca4039dbdbea4f81433ec0Anton Korobeynikov bool AllowNameToStartWithDigit; 100b9a01bcf486814a44098745920d43daaf9f7c260Mon P Wang 101b9a01bcf486814a44098745920d43daaf9f7c260Mon P Wang /// AllowPeriodsInName - This is true if the assembler allows periods in 102b9a01bcf486814a44098745920d43daaf9f7c260Mon P Wang /// symbol names. This defaults to true. 103b9a01bcf486814a44098745920d43daaf9f7c260Mon P Wang bool AllowPeriodsInName; 104b9a01bcf486814a44098745920d43daaf9f7c260Mon P Wang 10582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner //===--- Data Emission Directives -------------------------------------===// 10682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 10782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// ZeroDirective - this should be set to the directive used to get some 10882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// number of zero bytes emitted to the current section. Common cases are 10982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// "\t.zero\t" and "\t.space\t". If this is set to null, the 11082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// Data*bitsDirective's will be used to emit zero bytes. 111eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *ZeroDirective; // Defaults to "\t.zero\t" 11282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 11382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// AsciiDirective - This directive allows emission of an ascii string with 11482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// the standard C escape characters embedded into it. 115eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *AsciiDirective; // Defaults to "\t.ascii\t" 11682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 11782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// AscizDirective - If not null, this allows for special handling of 11882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// zero terminated strings on this target. This is commonly supported as 11982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// ".asciz". If a target doesn't support this, it can be set to null. 120eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *AscizDirective; // Defaults to "\t.asciz\t" 12182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 12282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// DataDirectives - These directives are used to output some unit of 12382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// integer data to the current section. If a data directive is set to 12482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// null, smaller data directives will be used to emit the large sizes. 125eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *Data8bitsDirective; // Defaults to "\t.byte\t" 126eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *Data16bitsDirective; // Defaults to "\t.short\t" 127eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *Data32bitsDirective; // Defaults to "\t.long\t" 128eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *Data64bitsDirective; // Defaults to "\t.quad\t" 12982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 13078f485afb723121eedf4b6907ae6eb53da8af03cChris Lattner /// GPRel32Directive - if non-null, a directive that is used to emit a word 13178f485afb723121eedf4b6907ae6eb53da8af03cChris Lattner /// which should be relocated as a 32-bit GP-relative offset, e.g. .gpword 13278f485afb723121eedf4b6907ae6eb53da8af03cChris Lattner /// on Mips or .gprel32 on Alpha. 13378f485afb723121eedf4b6907ae6eb53da8af03cChris Lattner const char *GPRel32Directive; // Defaults to NULL. 13478f485afb723121eedf4b6907ae6eb53da8af03cChris Lattner 13582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// getDataASDirective - Return the directive that should be used to emit 13682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// data of the specified size to the specified numeric address space. 13782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner virtual const char *getDataASDirective(unsigned Size, unsigned AS) const { 13882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner assert(AS != 0 && "Don't know the directives for default addr space"); 1395ec2e6b586bf4029763711d6860b57d312eb2d2eChris Lattner return 0; 14082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 14182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 14282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// SunStyleELFSectionSwitchSyntax - This is true if this target uses "Sun 14382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// Style" syntax for section switching ("#alloc,#write" etc) instead of the 14482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// normal ELF syntax (,"a,w") in .section directives. 145eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling bool SunStyleELFSectionSwitchSyntax; // Defaults to false. 14682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 14782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// UsesELFSectionDirectiveForBSS - This is true if this target uses ELF 14882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// '.section' directive before the '.bss' one. It's used for PPC/Linux 14982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// which doesn't support the '.bss' directive only. 150eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling bool UsesELFSectionDirectiveForBSS; // Defaults to false. 15182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 1528a29fa6e02c8a76a71f43fc8bf4e51dd12bac4bcChris Lattner /// HasMicrosoftFastStdCallMangling - True if this target uses microsoft 1538a29fa6e02c8a76a71f43fc8bf4e51dd12bac4bcChris Lattner /// style mangling for functions with X86_StdCall/X86_FastCall calling 1548a29fa6e02c8a76a71f43fc8bf4e51dd12bac4bcChris Lattner /// convention. 1558a29fa6e02c8a76a71f43fc8bf4e51dd12bac4bcChris Lattner bool HasMicrosoftFastStdCallMangling; // Defaults to false. 1568a29fa6e02c8a76a71f43fc8bf4e51dd12bac4bcChris Lattner 15782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner //===--- Alignment Information ----------------------------------------===// 15882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 15982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// AlignDirective - The directive used to emit round up to an alignment 16082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// boundary. 16182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// 162eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *AlignDirective; // Defaults to "\t.align\t" 16382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 16482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// AlignmentIsInBytes - If this is true (the default) then the asmprinter 16582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// emits ".align N" directives, where N is the number of bytes to align to. 16682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// Otherwise, it emits ".align log2(N)", e.g. 3 to align to an 8 byte 16782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// boundary. 168eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling bool AlignmentIsInBytes; // Defaults to true 16982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 17082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// TextAlignFillValue - If non-zero, this is used to fill the executable 17182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// space created as the result of a alignment directive. 172eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling unsigned TextAlignFillValue; // Defaults to 0 17382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 17482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner //===--- Global Variable Emission Directives --------------------------===// 17582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 17682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// GlobalDirective - This is the directive used to declare a global entity. 17782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// 178eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *GlobalDirective; // Defaults to NULL. 17982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 18082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// ExternDirective - This is the directive used to declare external 18182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// globals. 18282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// 183eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *ExternDirective; // Defaults to NULL. 18482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 185cee63322eaccc2f1067bdf5eab506e440f867da1Chris Lattner /// HasSetDirective - True if the assembler supports the .set directive. 186cee63322eaccc2f1067bdf5eab506e440f867da1Chris Lattner bool HasSetDirective; // Defaults to true. 18782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 1889eb158d5b4cd4f6fc80912e2dd77bdf13c3ca0e7Chris Lattner /// HasLCOMMDirective - This is true if the target supports the .lcomm 1899eb158d5b4cd4f6fc80912e2dd77bdf13c3ca0e7Chris Lattner /// directive. 190cee63322eaccc2f1067bdf5eab506e440f867da1Chris Lattner bool HasLCOMMDirective; // Defaults to false. 19182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 1922e2563bf8e0f0a7f8c923000c0206855f16968b2Rafael Espindola /// COMMDirectiveAlignmentIsInBytes - True is COMMDirective's optional 1932e2563bf8e0f0a7f8c923000c0206855f16968b2Rafael Espindola /// alignment is to be specified in bytes instead of log2(n). 1942e2563bf8e0f0a7f8c923000c0206855f16968b2Rafael Espindola bool COMMDirectiveAlignmentIsInBytes; // Defaults to true; 1952e2563bf8e0f0a7f8c923000c0206855f16968b2Rafael Espindola 19682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// HasDotTypeDotSizeDirective - True if the target has .type and .size 19782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// directives, this is true for most ELF targets. 198eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling bool HasDotTypeDotSizeDirective; // Defaults to true. 19982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 20082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// HasSingleParameterDotFile - True if the target has a single parameter 20182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// .file directive, this is true for ELF targets. 202eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling bool HasSingleParameterDotFile; // Defaults to true. 20382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 2043a9be0ee36fe2143f514d28315f3dc1bda132b2eChris Lattner /// HasNoDeadStrip - True if this target supports the MachO .no_dead_strip 2053a9be0ee36fe2143f514d28315f3dc1bda132b2eChris Lattner /// directive. 2063a9be0ee36fe2143f514d28315f3dc1bda132b2eChris Lattner bool HasNoDeadStrip; // Defaults to false. 20782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 20882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// WeakRefDirective - This directive, if non-null, is used to declare a 20982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// global as being a weak undefined symbol. 210eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *WeakRefDirective; // Defaults to NULL. 21182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 21282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// WeakDefDirective - This directive, if non-null, is used to declare a 21382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// global as being a weak defined symbol. 214eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *WeakDefDirective; // Defaults to NULL. 21541eb8b47717e1fe1a6d0e99ec1b4e890091f77aaChris Lattner 21641eb8b47717e1fe1a6d0e99ec1b4e890091f77aaChris Lattner /// LinkOnceDirective - This directive, if non-null is used to declare a 21741eb8b47717e1fe1a6d0e99ec1b4e890091f77aaChris Lattner /// global as being a weak defined symbol. This is used on cygwin/mingw. 21841eb8b47717e1fe1a6d0e99ec1b4e890091f77aaChris Lattner const char *LinkOnceDirective; // Defaults to NULL. 21982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 220152a29bfa6fa505182658d046bc75626e10d67c3Chris Lattner /// HiddenVisibilityAttr - This attribute, if not MCSA_Invalid, is used to 221152a29bfa6fa505182658d046bc75626e10d67c3Chris Lattner /// declare a symbol as having hidden visibility. 222152a29bfa6fa505182658d046bc75626e10d67c3Chris Lattner MCSymbolAttr HiddenVisibilityAttr; // Defaults to MCSA_Hidden. 22382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 224152a29bfa6fa505182658d046bc75626e10d67c3Chris Lattner /// ProtectedVisibilityAttr - This attribute, if not MCSA_Invalid, is used 225152a29bfa6fa505182658d046bc75626e10d67c3Chris Lattner /// to declare a symbol as having protected visibility. 226152a29bfa6fa505182658d046bc75626e10d67c3Chris Lattner MCSymbolAttr ProtectedVisibilityAttr; // Defaults to MCSA_Protected 22782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 22882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner //===--- Dwarf Emission Directives -----------------------------------===// 22982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 23082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// HasLEB128 - True if target asm supports leb128 directives. 231b9e7689c89acf9324fba9242e00a9a4b8a3a83a6Bill Wendling bool HasLEB128; // Defaults to false. 23282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 23382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// hasDotLocAndDotFile - True if target asm supports .loc and .file 23482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// directives for emitting debugging information. 235b9e7689c89acf9324fba9242e00a9a4b8a3a83a6Bill Wendling bool HasDotLocAndDotFile; // Defaults to false. 23682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 23782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// SupportsDebugInformation - True if target supports emission of debugging 23882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// information. 239b9e7689c89acf9324fba9242e00a9a4b8a3a83a6Bill Wendling bool SupportsDebugInformation; // Defaults to false. 24082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 241b9e7689c89acf9324fba9242e00a9a4b8a3a83a6Bill Wendling /// SupportsExceptionHandling - True if target supports exception handling. 242b9e7689c89acf9324fba9242e00a9a4b8a3a83a6Bill Wendling ExceptionHandling::ExceptionsType ExceptionsType; // Defaults to None 24382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 24482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// RequiresFrameSection - true if the Dwarf2 output needs a frame section 245b9e7689c89acf9324fba9242e00a9a4b8a3a83a6Bill Wendling bool DwarfRequiresFrameSection; // Defaults to true. 24682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 24782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// DwarfUsesInlineInfoSection - True if DwarfDebugInlineSection is used to 24882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// encode inline subroutine information. 249b9e7689c89acf9324fba9242e00a9a4b8a3a83a6Bill Wendling bool DwarfUsesInlineInfoSection; // Defaults to false. 25082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 25182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner /// DwarfSectionOffsetDirective - Special section offset directive. 25282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char* DwarfSectionOffsetDirective; // Defaults to NULL 25382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 25482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner //===--- CBE Asm Translation Table -----------------------------------===// 25582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 256eb2fde2c939892f620de93f56dc21ec0c36824efBill Wendling const char *const *AsmTransCBE; // Defaults to empty 25782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 25882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner public: 2598eeba35babf3114966fc4e6e8522057e46b610dbChris Lattner explicit MCAsmInfo(); 26082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner virtual ~MCAsmInfo(); 26182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 262f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner // FIXME: move these methods to DwarfPrinter when the JIT stops using them. 26382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner static unsigned getSLEB128Size(int Value); 26482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner static unsigned getULEB128Size(unsigned Value); 26582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 266f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner bool hasSubsectionsViaSymbols() const { return HasSubsectionsViaSymbols; } 267f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner 26882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner // Data directive accessors. 26982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner // 27082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getData8bitsDirective(unsigned AS = 0) const { 27182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return AS == 0 ? Data8bitsDirective : getDataASDirective(8, AS); 27282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 27382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getData16bitsDirective(unsigned AS = 0) const { 27482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return AS == 0 ? Data16bitsDirective : getDataASDirective(16, AS); 27582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 27682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getData32bitsDirective(unsigned AS = 0) const { 27782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return AS == 0 ? Data32bitsDirective : getDataASDirective(32, AS); 27882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 27982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getData64bitsDirective(unsigned AS = 0) const { 28082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return AS == 0 ? Data64bitsDirective : getDataASDirective(64, AS); 28182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 28278f485afb723121eedf4b6907ae6eb53da8af03cChris Lattner const char *getGPRel32Directive() const { return GPRel32Directive; } 28382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 284f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner /// getNonexecutableStackSection - Targets can implement this method to 285f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner /// specify a section to switch to if the translation unit doesn't have any 286f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner /// trampolines that require an executable stack. 28774aae4726a66733c5872588287535a984f9a94c7Chris Lattner virtual const MCSection *getNonexecutableStackSection(MCContext &Ctx) const{ 288f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner return 0; 289f9f93e4388962b678fd59b7af5212d4cc0d38be2Chris Lattner } 29082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 29182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner bool usesSunStyleELFSectionSwitchSyntax() const { 29282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return SunStyleELFSectionSwitchSyntax; 29382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 29482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 29582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner bool usesELFSectionDirectiveForBSS() const { 29682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return UsesELFSectionDirectiveForBSS; 29782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 29882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 2998a29fa6e02c8a76a71f43fc8bf4e51dd12bac4bcChris Lattner bool hasMicrosoftFastStdCallMangling() const { 3008a29fa6e02c8a76a71f43fc8bf4e51dd12bac4bcChris Lattner return HasMicrosoftFastStdCallMangling; 3018a29fa6e02c8a76a71f43fc8bf4e51dd12bac4bcChris Lattner } 3028a29fa6e02c8a76a71f43fc8bf4e51dd12bac4bcChris Lattner 30382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner // Accessors. 30482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner // 305aac138e84dee1cb3ffc1035b2a1e4361fe0b4f80Chris Lattner bool hasMachoZeroFillDirective() const { return HasMachoZeroFillDirective; } 306c1a887d76d95100e7e05aa76e077710bc4e0b1cfEric Christopher bool hasMachoTBSSDirective() const { return HasMachoTBSSDirective; } 30771eae713153e564ec743c5c4162ff258c255de78Chris Lattner bool hasStaticCtorDtorReferenceInStaticMode() const { 30871eae713153e564ec743c5c4162ff258c255de78Chris Lattner return HasStaticCtorDtorReferenceInStaticMode; 30971eae713153e564ec743c5c4162ff258c255de78Chris Lattner } 31082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner unsigned getMaxInstLength() const { 31182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return MaxInstLength; 31282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 31382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getPCSymbol() const { 31482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return PCSymbol; 31582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 31682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner char getSeparatorChar() const { 31782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return SeparatorChar; 31882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 31982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner unsigned getCommentColumn() const { 32082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return CommentColumn; 32182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 32282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getCommentString() const { 32382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return CommentString; 32482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 32582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getGlobalPrefix() const { 32682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return GlobalPrefix; 32782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 32882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getPrivateGlobalPrefix() const { 32982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return PrivateGlobalPrefix; 33082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 33182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getLinkerPrivateGlobalPrefix() const { 33282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return LinkerPrivateGlobalPrefix; 33382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 33482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getInlineAsmStart() const { 33582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return InlineAsmStart; 33682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 33782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getInlineAsmEnd() const { 33882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return InlineAsmEnd; 33982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 34082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner unsigned getAssemblerDialect() const { 34182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return AssemblerDialect; 34282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 34382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner bool doesAllowQuotesInName() const { 34482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return AllowQuotesInName; 34582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 346c6f729ed5519cdf398ca4039dbdbea4f81433ec0Anton Korobeynikov bool doesAllowNameToStartWithDigit() const { 347c6f729ed5519cdf398ca4039dbdbea4f81433ec0Anton Korobeynikov return AllowNameToStartWithDigit; 348c6f729ed5519cdf398ca4039dbdbea4f81433ec0Anton Korobeynikov } 349b9a01bcf486814a44098745920d43daaf9f7c260Mon P Wang bool doesAllowPeriodsInName() const { 350b9a01bcf486814a44098745920d43daaf9f7c260Mon P Wang return AllowPeriodsInName; 351b9a01bcf486814a44098745920d43daaf9f7c260Mon P Wang } 35282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getZeroDirective() const { 35382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return ZeroDirective; 35482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 35582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getAsciiDirective() const { 35682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return AsciiDirective; 35782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 35882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getAscizDirective() const { 35982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return AscizDirective; 36082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 36182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getAlignDirective() const { 36282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return AlignDirective; 36382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 36482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner bool getAlignmentIsInBytes() const { 36582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return AlignmentIsInBytes; 36682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 36782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner unsigned getTextAlignFillValue() const { 36882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return TextAlignFillValue; 36982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 37082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getGlobalDirective() const { 37182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return GlobalDirective; 37282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 37382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getExternDirective() const { 37482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return ExternDirective; 37582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 376cee63322eaccc2f1067bdf5eab506e440f867da1Chris Lattner bool hasSetDirective() const { return HasSetDirective; } 3779eb158d5b4cd4f6fc80912e2dd77bdf13c3ca0e7Chris Lattner bool hasLCOMMDirective() const { return HasLCOMMDirective; } 3783a9be0ee36fe2143f514d28315f3dc1bda132b2eChris Lattner bool hasDotTypeDotSizeDirective() const {return HasDotTypeDotSizeDirective;} 3792e2563bf8e0f0a7f8c923000c0206855f16968b2Rafael Espindola bool getCOMMDirectiveAlignmentIsInBytes() const { 3802e2563bf8e0f0a7f8c923000c0206855f16968b2Rafael Espindola return COMMDirectiveAlignmentIsInBytes; 3812e2563bf8e0f0a7f8c923000c0206855f16968b2Rafael Espindola } 3823a9be0ee36fe2143f514d28315f3dc1bda132b2eChris Lattner bool hasSingleParameterDotFile() const { return HasSingleParameterDotFile; } 3833a9be0ee36fe2143f514d28315f3dc1bda132b2eChris Lattner bool hasNoDeadStrip() const { return HasNoDeadStrip; } 38441eb8b47717e1fe1a6d0e99ec1b4e890091f77aaChris Lattner const char *getWeakRefDirective() const { return WeakRefDirective; } 38541eb8b47717e1fe1a6d0e99ec1b4e890091f77aaChris Lattner const char *getWeakDefDirective() const { return WeakDefDirective; } 38641eb8b47717e1fe1a6d0e99ec1b4e890091f77aaChris Lattner const char *getLinkOnceDirective() const { return LinkOnceDirective; } 387152a29bfa6fa505182658d046bc75626e10d67c3Chris Lattner 388152a29bfa6fa505182658d046bc75626e10d67c3Chris Lattner MCSymbolAttr getHiddenVisibilityAttr() const { return HiddenVisibilityAttr;} 389152a29bfa6fa505182658d046bc75626e10d67c3Chris Lattner MCSymbolAttr getProtectedVisibilityAttr() const { 390152a29bfa6fa505182658d046bc75626e10d67c3Chris Lattner return ProtectedVisibilityAttr; 39182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 39282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner bool hasLEB128() const { 39382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return HasLEB128; 39482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 39582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner bool hasDotLocAndDotFile() const { 39682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return HasDotLocAndDotFile; 39782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 39882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner bool doesSupportDebugInformation() const { 39982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return SupportsDebugInformation; 40082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 40182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner bool doesSupportExceptionHandling() const { 40282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return ExceptionsType != ExceptionHandling::None; 40382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 40482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner ExceptionHandling::ExceptionsType getExceptionHandlingType() const { 40582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return ExceptionsType; 40682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 40782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner bool doesDwarfRequireFrameSection() const { 40882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return DwarfRequiresFrameSection; 40982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 41082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner bool doesDwarfUsesInlineInfoSection() const { 41182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return DwarfUsesInlineInfoSection; 41282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 41382d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *getDwarfSectionOffsetDirective() const { 41482d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return DwarfSectionOffsetDirective; 41582d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 41682d748d55c549dd055528ed10dbb534618ca8115Chris Lattner const char *const *getAsmCBE() const { 41782d748d55c549dd055528ed10dbb534618ca8115Chris Lattner return AsmTransCBE; 41882d748d55c549dd055528ed10dbb534618ca8115Chris Lattner } 41982d748d55c549dd055528ed10dbb534618ca8115Chris Lattner }; 42082d748d55c549dd055528ed10dbb534618ca8115Chris Lattner} 42182d748d55c549dd055528ed10dbb534618ca8115Chris Lattner 42282d748d55c549dd055528ed10dbb534618ca8115Chris Lattner#endif 423