From 82d748d55c549dd055528ed10dbb534618ca8115 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 22 Aug 2009 20:58:17 +0000 Subject: [PATCH] move the MCAsmInfo .cpp/.h files into the right directories and rename them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79768 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/MC/MCAsmInfo.h | 526 ++++++++++++++++- include/llvm/MC/MCAsmInfoCOFF.h | 24 +- include/llvm/MC/MCAsmInfoDarwin.h | 33 +- include/llvm/Target/COFFTargetAsmInfo.h | 24 - include/llvm/Target/DarwinTargetAsmInfo.h | 32 -- include/llvm/Target/TargetAsmInfo.h | 527 ------------------ .../TargetAsmInfo.cpp => MC/MCAsmInfo.cpp} | 0 .../MCAsmInfoCOFF.cpp} | 0 .../MCAsmInfoDarwin.cpp} | 0 9 files changed, 580 insertions(+), 586 deletions(-) delete mode 100644 include/llvm/Target/COFFTargetAsmInfo.h delete mode 100644 include/llvm/Target/DarwinTargetAsmInfo.h delete mode 100644 include/llvm/Target/TargetAsmInfo.h rename lib/{Target/TargetAsmInfo.cpp => MC/MCAsmInfo.cpp} (100%) rename lib/{Target/COFFTargetAsmInfo.cpp => MC/MCAsmInfoCOFF.cpp} (100%) rename lib/{Target/DarwinTargetAsmInfo.cpp => MC/MCAsmInfoDarwin.cpp} (100%) diff --git a/include/llvm/MC/MCAsmInfo.h b/include/llvm/MC/MCAsmInfo.h index fcce7a66da6..4f8d92b3fcd 100644 --- a/include/llvm/MC/MCAsmInfo.h +++ b/include/llvm/MC/MCAsmInfo.h @@ -1,3 +1,527 @@ +//===-- llvm/MC/MCAsmInfo.h - Asm info --------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains a class to be used as the basis for target specific +// asm writers. This class primarily takes care of global printing constants, +// which are used in very similar ways across all targets. +// +//===----------------------------------------------------------------------===// -#include "llvm/Target/TargetAsmInfo.h" +#ifndef LLVM_TARGET_ASM_INFO_H +#define LLVM_TARGET_ASM_INFO_H +#include "llvm/Support/DataTypes.h" +#include +#include + +namespace llvm { + template class SmallVectorImpl; + + /// MCAsmInfo - This class is intended to be used as a base class for asm + /// properties and features specific to the target. + namespace ExceptionHandling { enum ExceptionsType { None, Dwarf, SjLj }; } + + class MCAsmInfo { + protected: + //===------------------------------------------------------------------===// + // Properties to be set by the target writer, used to configure asm printer. + // + + /// ZeroFillDirective - Directive for emitting a global to the ZeroFill + /// section on this target. Null if this target doesn't support zerofill. + const char *ZeroFillDirective; // Default is null. + + /// NonexecutableStackDirective - Directive for declaring to the + /// linker and beyond that the emitted code does not require stack + /// memory to be executable. + const char *NonexecutableStackDirective; // Default is null. + + /// NeedsSet - True if target asm treats expressions in data directives + /// as linktime-relocatable. For assembly-time computation, we need to + /// use a .set. Thus: + /// .set w, x-y + /// .long w + /// is computed at assembly time, while + /// .long x-y + /// is relocated if the relative locations of x and y change at linktime. + /// We want both these things in different places. + bool NeedsSet; // Defaults to false. + + /// MaxInstLength - This is the maximum possible length of an instruction, + /// which is needed to compute the size of an inline asm. + unsigned MaxInstLength; // Defaults to 4. + + /// PCSymbol - The symbol used to represent the current PC. Used in PC + /// relative expressions. + const char *PCSymbol; // Defaults to "$". + + /// SeparatorChar - This character, if specified, is used to separate + /// instructions from each other when on the same line. This is used to + /// measure inline asm instructions. + char SeparatorChar; // Defaults to ';' + + /// CommentColumn - This indicates the comment num (zero-based) at + /// which asm comments should be printed. + unsigned CommentColumn; // Defaults to 60 + + /// CommentString - This indicates the comment character used by the + /// assembler. + const char *CommentString; // Defaults to "#" + + /// GlobalPrefix - If this is set to a non-empty string, it is prepended + /// onto all global symbols. This is often used for "_" or ".". + const char *GlobalPrefix; // Defaults to "" + + /// PrivateGlobalPrefix - This prefix is used for globals like constant + /// pool entries that are completely private to the .s file and should not + /// have names in the .o file. This is often "." or "L". + const char *PrivateGlobalPrefix; // Defaults to "." + + /// LinkerPrivateGlobalPrefix - This prefix is used for symbols that should + /// be passed through the assembler but be removed by the linker. This + /// is "l" on Darwin, currently used for some ObjC metadata. + const char *LinkerPrivateGlobalPrefix; // Defaults to "" + + /// JumpTableSpecialLabelPrefix - If not null, a extra (dead) label is + /// emitted before jump tables with the specified prefix. + const char *JumpTableSpecialLabelPrefix; // Default to null. + + /// GlobalVarAddrPrefix/Suffix - If these are nonempty, these strings + /// will enclose any GlobalVariable (that isn't a function) + /// + const char *GlobalVarAddrPrefix; // Defaults to "" + const char *GlobalVarAddrSuffix; // Defaults to "" + + /// FunctionAddrPrefix/Suffix - If these are nonempty, these strings + /// will enclose any GlobalVariable that points to a function. + /// + const char *FunctionAddrPrefix; // Defaults to "" + const char *FunctionAddrSuffix; // Defaults to "" + + /// PersonalityPrefix/Suffix - If these are nonempty, these strings will + /// enclose any personality function in the common frame section. + /// + const char *PersonalityPrefix; // Defaults to "" + const char *PersonalitySuffix; // Defaults to "" + + /// NeedsIndirectEncoding - If set, we need to set the indirect encoding bit + /// for EH in Dwarf. + /// + bool NeedsIndirectEncoding; // Defaults to false + + /// InlineAsmStart/End - If these are nonempty, they contain a directive to + /// emit before and after an inline assembly statement. + const char *InlineAsmStart; // Defaults to "#APP\n" + const char *InlineAsmEnd; // Defaults to "#NO_APP\n" + + /// AssemblerDialect - Which dialect of an assembler variant to use. + unsigned AssemblerDialect; // Defaults to 0 + + /// AllowQuotesInName - This is true if the assembler allows for complex + /// symbol names to be surrounded in quotes. This defaults to false. + bool AllowQuotesInName; + + //===--- Data Emission Directives -------------------------------------===// + + /// ZeroDirective - this should be set to the directive used to get some + /// number of zero bytes emitted to the current section. Common cases are + /// "\t.zero\t" and "\t.space\t". If this is set to null, the + /// Data*bitsDirective's will be used to emit zero bytes. + const char *ZeroDirective; // Defaults to "\t.zero\t" + const char *ZeroDirectiveSuffix; // Defaults to "" + + /// AsciiDirective - This directive allows emission of an ascii string with + /// the standard C escape characters embedded into it. + const char *AsciiDirective; // Defaults to "\t.ascii\t" + + /// AscizDirective - If not null, this allows for special handling of + /// zero terminated strings on this target. This is commonly supported as + /// ".asciz". If a target doesn't support this, it can be set to null. + const char *AscizDirective; // Defaults to "\t.asciz\t" + + /// DataDirectives - These directives are used to output some unit of + /// integer data to the current section. If a data directive is set to + /// null, smaller data directives will be used to emit the large sizes. + const char *Data8bitsDirective; // Defaults to "\t.byte\t" + const char *Data16bitsDirective; // Defaults to "\t.short\t" + const char *Data32bitsDirective; // Defaults to "\t.long\t" + const char *Data64bitsDirective; // Defaults to "\t.quad\t" + + /// getDataASDirective - Return the directive that should be used to emit + /// data of the specified size to the specified numeric address space. + virtual const char *getDataASDirective(unsigned Size, unsigned AS) const { + assert(AS != 0 && "Don't know the directives for default addr space"); + return NULL; + } + + /// SunStyleELFSectionSwitchSyntax - This is true if this target uses "Sun + /// Style" syntax for section switching ("#alloc,#write" etc) instead of the + /// normal ELF syntax (,"a,w") in .section directives. + bool SunStyleELFSectionSwitchSyntax; // Defaults to false. + + /// UsesELFSectionDirectiveForBSS - This is true if this target uses ELF + /// '.section' directive before the '.bss' one. It's used for PPC/Linux + /// which doesn't support the '.bss' directive only. + bool UsesELFSectionDirectiveForBSS; // Defaults to false. + + //===--- Alignment Information ----------------------------------------===// + + /// AlignDirective - The directive used to emit round up to an alignment + /// boundary. + /// + const char *AlignDirective; // Defaults to "\t.align\t" + + /// AlignmentIsInBytes - If this is true (the default) then the asmprinter + /// emits ".align N" directives, where N is the number of bytes to align to. + /// Otherwise, it emits ".align log2(N)", e.g. 3 to align to an 8 byte + /// boundary. + bool AlignmentIsInBytes; // Defaults to true + + /// TextAlignFillValue - If non-zero, this is used to fill the executable + /// space created as the result of a alignment directive. + unsigned TextAlignFillValue; + + //===--- Section Switching Directives ---------------------------------===// + + /// JumpTableDirective - if non-null, the directive to emit before jump + /// table entries. FIXME: REMOVE THIS. + const char *JumpTableDirective; + const char *PICJumpTableDirective; + + + //===--- Global Variable Emission Directives --------------------------===// + + /// GlobalDirective - This is the directive used to declare a global entity. + /// + const char *GlobalDirective; // Defaults to NULL. + + /// ExternDirective - This is the directive used to declare external + /// globals. + /// + const char *ExternDirective; // Defaults to NULL. + + /// SetDirective - This is the name of a directive that can be used to tell + /// the assembler to set the value of a variable to some expression. + const char *SetDirective; // Defaults to null. + + /// LCOMMDirective - This is the name of a directive (if supported) that can + /// be used to efficiently declare a local (internal) block of zero + /// initialized data in the .bss/.data section. The syntax expected is: + /// @verbatim SYMBOLNAME LENGTHINBYTES, ALIGNMENT + /// @endverbatim + const char *LCOMMDirective; // Defaults to null. + + const char *COMMDirective; // Defaults to "\t.comm\t". + + /// COMMDirectiveTakesAlignment - True if COMMDirective take a third + /// argument that specifies the alignment of the declaration. + bool COMMDirectiveTakesAlignment; // Defaults to true. + + /// HasDotTypeDotSizeDirective - True if the target has .type and .size + /// directives, this is true for most ELF targets. + bool HasDotTypeDotSizeDirective; // Defaults to true. + + /// HasSingleParameterDotFile - True if the target has a single parameter + /// .file directive, this is true for ELF targets. + bool HasSingleParameterDotFile; // Defaults to true. + + /// UsedDirective - This directive, if non-null, is used to declare a global + /// as being used somehow that the assembler can't see. This prevents dead + /// code elimination on some targets. + const char *UsedDirective; // Defaults to null. + + /// WeakRefDirective - This directive, if non-null, is used to declare a + /// global as being a weak undefined symbol. + const char *WeakRefDirective; // Defaults to null. + + /// WeakDefDirective - This directive, if non-null, is used to declare a + /// global as being a weak defined symbol. + const char *WeakDefDirective; // Defaults to null. + + /// HiddenDirective - This directive, if non-null, is used to declare a + /// global or function as having hidden visibility. + const char *HiddenDirective; // Defaults to "\t.hidden\t". + + /// ProtectedDirective - This directive, if non-null, is used to declare a + /// global or function as having protected visibility. + const char *ProtectedDirective; // Defaults to "\t.protected\t". + + //===--- Dwarf Emission Directives -----------------------------------===// + + /// AbsoluteDebugSectionOffsets - True if we should emit abolute section + /// offsets for debug information. Defaults to false. + bool AbsoluteDebugSectionOffsets; + + /// AbsoluteEHSectionOffsets - True if we should emit abolute section + /// offsets for EH information. Defaults to false. + bool AbsoluteEHSectionOffsets; + + /// HasLEB128 - True if target asm supports leb128 directives. + /// + bool HasLEB128; // Defaults to false. + + /// hasDotLocAndDotFile - True if target asm supports .loc and .file + /// directives for emitting debugging information. + /// + bool HasDotLocAndDotFile; // Defaults to false. + + /// SupportsDebugInformation - True if target supports emission of debugging + /// information. + bool SupportsDebugInformation; + + /// SupportsExceptionHandling - True if target supports + /// exception handling. + /// + // Defaults to None + ExceptionHandling::ExceptionsType ExceptionsType; + + /// RequiresFrameSection - true if the Dwarf2 output needs a frame section + /// + bool DwarfRequiresFrameSection; // Defaults to true. + + /// DwarfUsesInlineInfoSection - True if DwarfDebugInlineSection is used to + /// encode inline subroutine information. + bool DwarfUsesInlineInfoSection; // Defaults to false. + + /// Is_EHSymbolPrivate - If set, the "_foo.eh" is made private so that it + /// doesn't show up in the symbol table of the object file. + bool Is_EHSymbolPrivate; // Defaults to true. + + /// GlobalEHDirective - This is the directive used to make exception frame + /// tables globally visible. + /// + const char *GlobalEHDirective; // Defaults to NULL. + + /// SupportsWeakEmptyEHFrame - True if target assembler and linker will + /// handle a weak_definition of constant 0 for an omitted EH frame. + bool SupportsWeakOmittedEHFrame; // Defaults to true. + + /// DwarfSectionOffsetDirective - Special section offset directive. + const char* DwarfSectionOffsetDirective; // Defaults to NULL + + //===--- CBE Asm Translation Table -----------------------------------===// + + const char *const *AsmTransCBE; // Defaults to empty + + public: + explicit MCAsmInfo(); + virtual ~MCAsmInfo(); + + /// getSLEB128Size - Compute the number of bytes required for a signed + /// leb128 value. + static unsigned getSLEB128Size(int Value); + + /// getULEB128Size - Compute the number of bytes required for an unsigned + /// leb128 value. + static unsigned getULEB128Size(unsigned Value); + + // Data directive accessors. + // + const char *getData8bitsDirective(unsigned AS = 0) const { + return AS == 0 ? Data8bitsDirective : getDataASDirective(8, AS); + } + const char *getData16bitsDirective(unsigned AS = 0) const { + return AS == 0 ? Data16bitsDirective : getDataASDirective(16, AS); + } + const char *getData32bitsDirective(unsigned AS = 0) const { + return AS == 0 ? Data32bitsDirective : getDataASDirective(32, AS); + } + const char *getData64bitsDirective(unsigned AS = 0) const { + return AS == 0 ? Data64bitsDirective : getDataASDirective(64, AS); + } + + + bool usesSunStyleELFSectionSwitchSyntax() const { + return SunStyleELFSectionSwitchSyntax; + } + + bool usesELFSectionDirectiveForBSS() const { + return UsesELFSectionDirectiveForBSS; + } + + // Accessors. + // + const char *getZeroFillDirective() const { + return ZeroFillDirective; + } + const char *getNonexecutableStackDirective() const { + return NonexecutableStackDirective; + } + bool needsSet() const { + return NeedsSet; + } + unsigned getMaxInstLength() const { + return MaxInstLength; + } + const char *getPCSymbol() const { + return PCSymbol; + } + char getSeparatorChar() const { + return SeparatorChar; + } + unsigned getCommentColumn() const { + return CommentColumn; + } + const char *getCommentString() const { + return CommentString; + } + const char *getGlobalPrefix() const { + return GlobalPrefix; + } + const char *getPrivateGlobalPrefix() const { + return PrivateGlobalPrefix; + } + const char *getLinkerPrivateGlobalPrefix() const { + return LinkerPrivateGlobalPrefix; + } + const char *getJumpTableSpecialLabelPrefix() const { + return JumpTableSpecialLabelPrefix; + } + const char *getGlobalVarAddrPrefix() const { + return GlobalVarAddrPrefix; + } + const char *getGlobalVarAddrSuffix() const { + return GlobalVarAddrSuffix; + } + const char *getFunctionAddrPrefix() const { + return FunctionAddrPrefix; + } + const char *getFunctionAddrSuffix() const { + return FunctionAddrSuffix; + } + const char *getPersonalityPrefix() const { + return PersonalityPrefix; + } + const char *getPersonalitySuffix() const { + return PersonalitySuffix; + } + bool getNeedsIndirectEncoding() const { + return NeedsIndirectEncoding; + } + const char *getInlineAsmStart() const { + return InlineAsmStart; + } + const char *getInlineAsmEnd() const { + return InlineAsmEnd; + } + unsigned getAssemblerDialect() const { + return AssemblerDialect; + } + bool doesAllowQuotesInName() const { + return AllowQuotesInName; + } + const char *getZeroDirective() const { + return ZeroDirective; + } + const char *getZeroDirectiveSuffix() const { + return ZeroDirectiveSuffix; + } + const char *getAsciiDirective() const { + return AsciiDirective; + } + const char *getAscizDirective() const { + return AscizDirective; + } + const char *getJumpTableDirective(bool isPIC) const { + return isPIC ? PICJumpTableDirective : JumpTableDirective; + } + const char *getAlignDirective() const { + return AlignDirective; + } + bool getAlignmentIsInBytes() const { + return AlignmentIsInBytes; + } + unsigned getTextAlignFillValue() const { + return TextAlignFillValue; + } + const char *getGlobalDirective() const { + return GlobalDirective; + } + const char *getExternDirective() const { + return ExternDirective; + } + const char *getSetDirective() const { + return SetDirective; + } + const char *getLCOMMDirective() const { + return LCOMMDirective; + } + const char *getCOMMDirective() const { + return COMMDirective; + } + bool getCOMMDirectiveTakesAlignment() const { + return COMMDirectiveTakesAlignment; + } + bool hasDotTypeDotSizeDirective() const { + return HasDotTypeDotSizeDirective; + } + bool hasSingleParameterDotFile() const { + return HasSingleParameterDotFile; + } + const char *getUsedDirective() const { + return UsedDirective; + } + const char *getWeakRefDirective() const { + return WeakRefDirective; + } + const char *getWeakDefDirective() const { + return WeakDefDirective; + } + const char *getHiddenDirective() const { + return HiddenDirective; + } + const char *getProtectedDirective() const { + return ProtectedDirective; + } + bool isAbsoluteDebugSectionOffsets() const { + return AbsoluteDebugSectionOffsets; + } + bool isAbsoluteEHSectionOffsets() const { + return AbsoluteEHSectionOffsets; + } + bool hasLEB128() const { + return HasLEB128; + } + bool hasDotLocAndDotFile() const { + return HasDotLocAndDotFile; + } + bool doesSupportDebugInformation() const { + return SupportsDebugInformation; + } + bool doesSupportExceptionHandling() const { + return ExceptionsType != ExceptionHandling::None; + } + ExceptionHandling::ExceptionsType getExceptionHandlingType() const { + return ExceptionsType; + } + bool doesDwarfRequireFrameSection() const { + return DwarfRequiresFrameSection; + } + bool doesDwarfUsesInlineInfoSection() const { + return DwarfUsesInlineInfoSection; + } + bool is_EHSymbolPrivate() const { + return Is_EHSymbolPrivate; + } + const char *getGlobalEHDirective() const { + return GlobalEHDirective; + } + bool getSupportsWeakOmittedEHFrame() const { + return SupportsWeakOmittedEHFrame; + } + const char *getDwarfSectionOffsetDirective() const { + return DwarfSectionOffsetDirective; + } + const char *const *getAsmCBE() const { + return AsmTransCBE; + } + }; +} + +#endif diff --git a/include/llvm/MC/MCAsmInfoCOFF.h b/include/llvm/MC/MCAsmInfoCOFF.h index 73a0155daff..b5e3d709239 100644 --- a/include/llvm/MC/MCAsmInfoCOFF.h +++ b/include/llvm/MC/MCAsmInfoCOFF.h @@ -1,2 +1,24 @@ -#include "llvm/Target/COFFTargetAsmInfo.h" +//===-- MCAsmInfoCOFF.h - COFF asm properties -------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +#ifndef LLVM_COFF_TARGET_ASM_INFO_H +#define LLVM_COFF_TARGET_ASM_INFO_H + +#include "llvm/MC/MCAsmInfo.h" + +namespace llvm { + class COFFMCAsmInfo : public MCAsmInfo { + protected: + explicit COFFMCAsmInfo(); + + }; +} + + +#endif // LLVM_COFF_TARGET_ASM_INFO_H diff --git a/include/llvm/MC/MCAsmInfoDarwin.h b/include/llvm/MC/MCAsmInfoDarwin.h index 122adb21ef6..b44babc87f5 100644 --- a/include/llvm/MC/MCAsmInfoDarwin.h +++ b/include/llvm/MC/MCAsmInfoDarwin.h @@ -1 +1,32 @@ -#include "llvm/Target/DarwinTargetAsmInfo.h" +//===---- MCAsmInfoDarwin.h - Darwin asm properties -------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file defines target asm properties related what form asm statements +// should take in general on Darwin-based targets +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_DARWIN_TARGET_ASM_INFO_H +#define LLVM_DARWIN_TARGET_ASM_INFO_H + +#include "llvm/MC/MCAsmInfo.h" + +namespace llvm { + class GlobalValue; + class GlobalVariable; + class Type; + class Mangler; + + struct DarwinMCAsmInfo : public MCAsmInfo { + explicit DarwinMCAsmInfo(); + }; +} + + +#endif // LLVM_DARWIN_TARGET_ASM_INFO_H diff --git a/include/llvm/Target/COFFTargetAsmInfo.h b/include/llvm/Target/COFFTargetAsmInfo.h deleted file mode 100644 index b5e3d709239..00000000000 --- a/include/llvm/Target/COFFTargetAsmInfo.h +++ /dev/null @@ -1,24 +0,0 @@ -//===-- MCAsmInfoCOFF.h - COFF asm properties -------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_COFF_TARGET_ASM_INFO_H -#define LLVM_COFF_TARGET_ASM_INFO_H - -#include "llvm/MC/MCAsmInfo.h" - -namespace llvm { - class COFFMCAsmInfo : public MCAsmInfo { - protected: - explicit COFFMCAsmInfo(); - - }; -} - - -#endif // LLVM_COFF_TARGET_ASM_INFO_H diff --git a/include/llvm/Target/DarwinTargetAsmInfo.h b/include/llvm/Target/DarwinTargetAsmInfo.h deleted file mode 100644 index a91a0ddd5b9..00000000000 --- a/include/llvm/Target/DarwinTargetAsmInfo.h +++ /dev/null @@ -1,32 +0,0 @@ -//===---- DarwinMCAsmInfo.h - Darwin asm properties -------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file defines target asm properties related what form asm statements -// should take in general on Darwin-based targets -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_DARWIN_TARGET_ASM_INFO_H -#define LLVM_DARWIN_TARGET_ASM_INFO_H - -#include "llvm/MC/MCAsmInfo.h" - -namespace llvm { - class GlobalValue; - class GlobalVariable; - class Type; - class Mangler; - - struct DarwinMCAsmInfo : public MCAsmInfo { - explicit DarwinMCAsmInfo(); - }; -} - - -#endif // LLVM_DARWIN_TARGET_ASM_INFO_H diff --git a/include/llvm/Target/TargetAsmInfo.h b/include/llvm/Target/TargetAsmInfo.h deleted file mode 100644 index 4f8d92b3fcd..00000000000 --- a/include/llvm/Target/TargetAsmInfo.h +++ /dev/null @@ -1,527 +0,0 @@ -//===-- llvm/MC/MCAsmInfo.h - Asm info --------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file contains a class to be used as the basis for target specific -// asm writers. This class primarily takes care of global printing constants, -// which are used in very similar ways across all targets. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_TARGET_ASM_INFO_H -#define LLVM_TARGET_ASM_INFO_H - -#include "llvm/Support/DataTypes.h" -#include -#include - -namespace llvm { - template class SmallVectorImpl; - - /// MCAsmInfo - This class is intended to be used as a base class for asm - /// properties and features specific to the target. - namespace ExceptionHandling { enum ExceptionsType { None, Dwarf, SjLj }; } - - class MCAsmInfo { - protected: - //===------------------------------------------------------------------===// - // Properties to be set by the target writer, used to configure asm printer. - // - - /// ZeroFillDirective - Directive for emitting a global to the ZeroFill - /// section on this target. Null if this target doesn't support zerofill. - const char *ZeroFillDirective; // Default is null. - - /// NonexecutableStackDirective - Directive for declaring to the - /// linker and beyond that the emitted code does not require stack - /// memory to be executable. - const char *NonexecutableStackDirective; // Default is null. - - /// NeedsSet - True if target asm treats expressions in data directives - /// as linktime-relocatable. For assembly-time computation, we need to - /// use a .set. Thus: - /// .set w, x-y - /// .long w - /// is computed at assembly time, while - /// .long x-y - /// is relocated if the relative locations of x and y change at linktime. - /// We want both these things in different places. - bool NeedsSet; // Defaults to false. - - /// MaxInstLength - This is the maximum possible length of an instruction, - /// which is needed to compute the size of an inline asm. - unsigned MaxInstLength; // Defaults to 4. - - /// PCSymbol - The symbol used to represent the current PC. Used in PC - /// relative expressions. - const char *PCSymbol; // Defaults to "$". - - /// SeparatorChar - This character, if specified, is used to separate - /// instructions from each other when on the same line. This is used to - /// measure inline asm instructions. - char SeparatorChar; // Defaults to ';' - - /// CommentColumn - This indicates the comment num (zero-based) at - /// which asm comments should be printed. - unsigned CommentColumn; // Defaults to 60 - - /// CommentString - This indicates the comment character used by the - /// assembler. - const char *CommentString; // Defaults to "#" - - /// GlobalPrefix - If this is set to a non-empty string, it is prepended - /// onto all global symbols. This is often used for "_" or ".". - const char *GlobalPrefix; // Defaults to "" - - /// PrivateGlobalPrefix - This prefix is used for globals like constant - /// pool entries that are completely private to the .s file and should not - /// have names in the .o file. This is often "." or "L". - const char *PrivateGlobalPrefix; // Defaults to "." - - /// LinkerPrivateGlobalPrefix - This prefix is used for symbols that should - /// be passed through the assembler but be removed by the linker. This - /// is "l" on Darwin, currently used for some ObjC metadata. - const char *LinkerPrivateGlobalPrefix; // Defaults to "" - - /// JumpTableSpecialLabelPrefix - If not null, a extra (dead) label is - /// emitted before jump tables with the specified prefix. - const char *JumpTableSpecialLabelPrefix; // Default to null. - - /// GlobalVarAddrPrefix/Suffix - If these are nonempty, these strings - /// will enclose any GlobalVariable (that isn't a function) - /// - const char *GlobalVarAddrPrefix; // Defaults to "" - const char *GlobalVarAddrSuffix; // Defaults to "" - - /// FunctionAddrPrefix/Suffix - If these are nonempty, these strings - /// will enclose any GlobalVariable that points to a function. - /// - const char *FunctionAddrPrefix; // Defaults to "" - const char *FunctionAddrSuffix; // Defaults to "" - - /// PersonalityPrefix/Suffix - If these are nonempty, these strings will - /// enclose any personality function in the common frame section. - /// - const char *PersonalityPrefix; // Defaults to "" - const char *PersonalitySuffix; // Defaults to "" - - /// NeedsIndirectEncoding - If set, we need to set the indirect encoding bit - /// for EH in Dwarf. - /// - bool NeedsIndirectEncoding; // Defaults to false - - /// InlineAsmStart/End - If these are nonempty, they contain a directive to - /// emit before and after an inline assembly statement. - const char *InlineAsmStart; // Defaults to "#APP\n" - const char *InlineAsmEnd; // Defaults to "#NO_APP\n" - - /// AssemblerDialect - Which dialect of an assembler variant to use. - unsigned AssemblerDialect; // Defaults to 0 - - /// AllowQuotesInName - This is true if the assembler allows for complex - /// symbol names to be surrounded in quotes. This defaults to false. - bool AllowQuotesInName; - - //===--- Data Emission Directives -------------------------------------===// - - /// ZeroDirective - this should be set to the directive used to get some - /// number of zero bytes emitted to the current section. Common cases are - /// "\t.zero\t" and "\t.space\t". If this is set to null, the - /// Data*bitsDirective's will be used to emit zero bytes. - const char *ZeroDirective; // Defaults to "\t.zero\t" - const char *ZeroDirectiveSuffix; // Defaults to "" - - /// AsciiDirective - This directive allows emission of an ascii string with - /// the standard C escape characters embedded into it. - const char *AsciiDirective; // Defaults to "\t.ascii\t" - - /// AscizDirective - If not null, this allows for special handling of - /// zero terminated strings on this target. This is commonly supported as - /// ".asciz". If a target doesn't support this, it can be set to null. - const char *AscizDirective; // Defaults to "\t.asciz\t" - - /// DataDirectives - These directives are used to output some unit of - /// integer data to the current section. If a data directive is set to - /// null, smaller data directives will be used to emit the large sizes. - const char *Data8bitsDirective; // Defaults to "\t.byte\t" - const char *Data16bitsDirective; // Defaults to "\t.short\t" - const char *Data32bitsDirective; // Defaults to "\t.long\t" - const char *Data64bitsDirective; // Defaults to "\t.quad\t" - - /// getDataASDirective - Return the directive that should be used to emit - /// data of the specified size to the specified numeric address space. - virtual const char *getDataASDirective(unsigned Size, unsigned AS) const { - assert(AS != 0 && "Don't know the directives for default addr space"); - return NULL; - } - - /// SunStyleELFSectionSwitchSyntax - This is true if this target uses "Sun - /// Style" syntax for section switching ("#alloc,#write" etc) instead of the - /// normal ELF syntax (,"a,w") in .section directives. - bool SunStyleELFSectionSwitchSyntax; // Defaults to false. - - /// UsesELFSectionDirectiveForBSS - This is true if this target uses ELF - /// '.section' directive before the '.bss' one. It's used for PPC/Linux - /// which doesn't support the '.bss' directive only. - bool UsesELFSectionDirectiveForBSS; // Defaults to false. - - //===--- Alignment Information ----------------------------------------===// - - /// AlignDirective - The directive used to emit round up to an alignment - /// boundary. - /// - const char *AlignDirective; // Defaults to "\t.align\t" - - /// AlignmentIsInBytes - If this is true (the default) then the asmprinter - /// emits ".align N" directives, where N is the number of bytes to align to. - /// Otherwise, it emits ".align log2(N)", e.g. 3 to align to an 8 byte - /// boundary. - bool AlignmentIsInBytes; // Defaults to true - - /// TextAlignFillValue - If non-zero, this is used to fill the executable - /// space created as the result of a alignment directive. - unsigned TextAlignFillValue; - - //===--- Section Switching Directives ---------------------------------===// - - /// JumpTableDirective - if non-null, the directive to emit before jump - /// table entries. FIXME: REMOVE THIS. - const char *JumpTableDirective; - const char *PICJumpTableDirective; - - - //===--- Global Variable Emission Directives --------------------------===// - - /// GlobalDirective - This is the directive used to declare a global entity. - /// - const char *GlobalDirective; // Defaults to NULL. - - /// ExternDirective - This is the directive used to declare external - /// globals. - /// - const char *ExternDirective; // Defaults to NULL. - - /// SetDirective - This is the name of a directive that can be used to tell - /// the assembler to set the value of a variable to some expression. - const char *SetDirective; // Defaults to null. - - /// LCOMMDirective - This is the name of a directive (if supported) that can - /// be used to efficiently declare a local (internal) block of zero - /// initialized data in the .bss/.data section. The syntax expected is: - /// @verbatim SYMBOLNAME LENGTHINBYTES, ALIGNMENT - /// @endverbatim - const char *LCOMMDirective; // Defaults to null. - - const char *COMMDirective; // Defaults to "\t.comm\t". - - /// COMMDirectiveTakesAlignment - True if COMMDirective take a third - /// argument that specifies the alignment of the declaration. - bool COMMDirectiveTakesAlignment; // Defaults to true. - - /// HasDotTypeDotSizeDirective - True if the target has .type and .size - /// directives, this is true for most ELF targets. - bool HasDotTypeDotSizeDirective; // Defaults to true. - - /// HasSingleParameterDotFile - True if the target has a single parameter - /// .file directive, this is true for ELF targets. - bool HasSingleParameterDotFile; // Defaults to true. - - /// UsedDirective - This directive, if non-null, is used to declare a global - /// as being used somehow that the assembler can't see. This prevents dead - /// code elimination on some targets. - const char *UsedDirective; // Defaults to null. - - /// WeakRefDirective - This directive, if non-null, is used to declare a - /// global as being a weak undefined symbol. - const char *WeakRefDirective; // Defaults to null. - - /// WeakDefDirective - This directive, if non-null, is used to declare a - /// global as being a weak defined symbol. - const char *WeakDefDirective; // Defaults to null. - - /// HiddenDirective - This directive, if non-null, is used to declare a - /// global or function as having hidden visibility. - const char *HiddenDirective; // Defaults to "\t.hidden\t". - - /// ProtectedDirective - This directive, if non-null, is used to declare a - /// global or function as having protected visibility. - const char *ProtectedDirective; // Defaults to "\t.protected\t". - - //===--- Dwarf Emission Directives -----------------------------------===// - - /// AbsoluteDebugSectionOffsets - True if we should emit abolute section - /// offsets for debug information. Defaults to false. - bool AbsoluteDebugSectionOffsets; - - /// AbsoluteEHSectionOffsets - True if we should emit abolute section - /// offsets for EH information. Defaults to false. - bool AbsoluteEHSectionOffsets; - - /// HasLEB128 - True if target asm supports leb128 directives. - /// - bool HasLEB128; // Defaults to false. - - /// hasDotLocAndDotFile - True if target asm supports .loc and .file - /// directives for emitting debugging information. - /// - bool HasDotLocAndDotFile; // Defaults to false. - - /// SupportsDebugInformation - True if target supports emission of debugging - /// information. - bool SupportsDebugInformation; - - /// SupportsExceptionHandling - True if target supports - /// exception handling. - /// - // Defaults to None - ExceptionHandling::ExceptionsType ExceptionsType; - - /// RequiresFrameSection - true if the Dwarf2 output needs a frame section - /// - bool DwarfRequiresFrameSection; // Defaults to true. - - /// DwarfUsesInlineInfoSection - True if DwarfDebugInlineSection is used to - /// encode inline subroutine information. - bool DwarfUsesInlineInfoSection; // Defaults to false. - - /// Is_EHSymbolPrivate - If set, the "_foo.eh" is made private so that it - /// doesn't show up in the symbol table of the object file. - bool Is_EHSymbolPrivate; // Defaults to true. - - /// GlobalEHDirective - This is the directive used to make exception frame - /// tables globally visible. - /// - const char *GlobalEHDirective; // Defaults to NULL. - - /// SupportsWeakEmptyEHFrame - True if target assembler and linker will - /// handle a weak_definition of constant 0 for an omitted EH frame. - bool SupportsWeakOmittedEHFrame; // Defaults to true. - - /// DwarfSectionOffsetDirective - Special section offset directive. - const char* DwarfSectionOffsetDirective; // Defaults to NULL - - //===--- CBE Asm Translation Table -----------------------------------===// - - const char *const *AsmTransCBE; // Defaults to empty - - public: - explicit MCAsmInfo(); - virtual ~MCAsmInfo(); - - /// getSLEB128Size - Compute the number of bytes required for a signed - /// leb128 value. - static unsigned getSLEB128Size(int Value); - - /// getULEB128Size - Compute the number of bytes required for an unsigned - /// leb128 value. - static unsigned getULEB128Size(unsigned Value); - - // Data directive accessors. - // - const char *getData8bitsDirective(unsigned AS = 0) const { - return AS == 0 ? Data8bitsDirective : getDataASDirective(8, AS); - } - const char *getData16bitsDirective(unsigned AS = 0) const { - return AS == 0 ? Data16bitsDirective : getDataASDirective(16, AS); - } - const char *getData32bitsDirective(unsigned AS = 0) const { - return AS == 0 ? Data32bitsDirective : getDataASDirective(32, AS); - } - const char *getData64bitsDirective(unsigned AS = 0) const { - return AS == 0 ? Data64bitsDirective : getDataASDirective(64, AS); - } - - - bool usesSunStyleELFSectionSwitchSyntax() const { - return SunStyleELFSectionSwitchSyntax; - } - - bool usesELFSectionDirectiveForBSS() const { - return UsesELFSectionDirectiveForBSS; - } - - // Accessors. - // - const char *getZeroFillDirective() const { - return ZeroFillDirective; - } - const char *getNonexecutableStackDirective() const { - return NonexecutableStackDirective; - } - bool needsSet() const { - return NeedsSet; - } - unsigned getMaxInstLength() const { - return MaxInstLength; - } - const char *getPCSymbol() const { - return PCSymbol; - } - char getSeparatorChar() const { - return SeparatorChar; - } - unsigned getCommentColumn() const { - return CommentColumn; - } - const char *getCommentString() const { - return CommentString; - } - const char *getGlobalPrefix() const { - return GlobalPrefix; - } - const char *getPrivateGlobalPrefix() const { - return PrivateGlobalPrefix; - } - const char *getLinkerPrivateGlobalPrefix() const { - return LinkerPrivateGlobalPrefix; - } - const char *getJumpTableSpecialLabelPrefix() const { - return JumpTableSpecialLabelPrefix; - } - const char *getGlobalVarAddrPrefix() const { - return GlobalVarAddrPrefix; - } - const char *getGlobalVarAddrSuffix() const { - return GlobalVarAddrSuffix; - } - const char *getFunctionAddrPrefix() const { - return FunctionAddrPrefix; - } - const char *getFunctionAddrSuffix() const { - return FunctionAddrSuffix; - } - const char *getPersonalityPrefix() const { - return PersonalityPrefix; - } - const char *getPersonalitySuffix() const { - return PersonalitySuffix; - } - bool getNeedsIndirectEncoding() const { - return NeedsIndirectEncoding; - } - const char *getInlineAsmStart() const { - return InlineAsmStart; - } - const char *getInlineAsmEnd() const { - return InlineAsmEnd; - } - unsigned getAssemblerDialect() const { - return AssemblerDialect; - } - bool doesAllowQuotesInName() const { - return AllowQuotesInName; - } - const char *getZeroDirective() const { - return ZeroDirective; - } - const char *getZeroDirectiveSuffix() const { - return ZeroDirectiveSuffix; - } - const char *getAsciiDirective() const { - return AsciiDirective; - } - const char *getAscizDirective() const { - return AscizDirective; - } - const char *getJumpTableDirective(bool isPIC) const { - return isPIC ? PICJumpTableDirective : JumpTableDirective; - } - const char *getAlignDirective() const { - return AlignDirective; - } - bool getAlignmentIsInBytes() const { - return AlignmentIsInBytes; - } - unsigned getTextAlignFillValue() const { - return TextAlignFillValue; - } - const char *getGlobalDirective() const { - return GlobalDirective; - } - const char *getExternDirective() const { - return ExternDirective; - } - const char *getSetDirective() const { - return SetDirective; - } - const char *getLCOMMDirective() const { - return LCOMMDirective; - } - const char *getCOMMDirective() const { - return COMMDirective; - } - bool getCOMMDirectiveTakesAlignment() const { - return COMMDirectiveTakesAlignment; - } - bool hasDotTypeDotSizeDirective() const { - return HasDotTypeDotSizeDirective; - } - bool hasSingleParameterDotFile() const { - return HasSingleParameterDotFile; - } - const char *getUsedDirective() const { - return UsedDirective; - } - const char *getWeakRefDirective() const { - return WeakRefDirective; - } - const char *getWeakDefDirective() const { - return WeakDefDirective; - } - const char *getHiddenDirective() const { - return HiddenDirective; - } - const char *getProtectedDirective() const { - return ProtectedDirective; - } - bool isAbsoluteDebugSectionOffsets() const { - return AbsoluteDebugSectionOffsets; - } - bool isAbsoluteEHSectionOffsets() const { - return AbsoluteEHSectionOffsets; - } - bool hasLEB128() const { - return HasLEB128; - } - bool hasDotLocAndDotFile() const { - return HasDotLocAndDotFile; - } - bool doesSupportDebugInformation() const { - return SupportsDebugInformation; - } - bool doesSupportExceptionHandling() const { - return ExceptionsType != ExceptionHandling::None; - } - ExceptionHandling::ExceptionsType getExceptionHandlingType() const { - return ExceptionsType; - } - bool doesDwarfRequireFrameSection() const { - return DwarfRequiresFrameSection; - } - bool doesDwarfUsesInlineInfoSection() const { - return DwarfUsesInlineInfoSection; - } - bool is_EHSymbolPrivate() const { - return Is_EHSymbolPrivate; - } - const char *getGlobalEHDirective() const { - return GlobalEHDirective; - } - bool getSupportsWeakOmittedEHFrame() const { - return SupportsWeakOmittedEHFrame; - } - const char *getDwarfSectionOffsetDirective() const { - return DwarfSectionOffsetDirective; - } - const char *const *getAsmCBE() const { - return AsmTransCBE; - } - }; -} - -#endif diff --git a/lib/Target/TargetAsmInfo.cpp b/lib/MC/MCAsmInfo.cpp similarity index 100% rename from lib/Target/TargetAsmInfo.cpp rename to lib/MC/MCAsmInfo.cpp diff --git a/lib/Target/COFFTargetAsmInfo.cpp b/lib/MC/MCAsmInfoCOFF.cpp similarity index 100% rename from lib/Target/COFFTargetAsmInfo.cpp rename to lib/MC/MCAsmInfoCOFF.cpp diff --git a/lib/Target/DarwinTargetAsmInfo.cpp b/lib/MC/MCAsmInfoDarwin.cpp similarity index 100% rename from lib/Target/DarwinTargetAsmInfo.cpp rename to lib/MC/MCAsmInfoDarwin.cpp -- 2.34.1