+//===-- 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 <cassert>
+#include <string>
+
+namespace llvm {
+ template <typename T> 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 <LCOMMDirective> 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
-#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
-#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
+++ /dev/null
-//===-- 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
+++ /dev/null
-//===---- 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
+++ /dev/null
-//===-- 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 <cassert>
-#include <string>
-
-namespace llvm {
- template <typename T> 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 <LCOMMDirective> 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
--- /dev/null
+//===-- MCAsmInfo.cpp - Asm Info -------------------------------------------==//
+//
+// 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.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCAsmInfo.h"
+#include <cctype>
+#include <cstring>
+using namespace llvm;
+
+MCAsmInfo::MCAsmInfo() {
+ ZeroFillDirective = 0;
+ NonexecutableStackDirective = 0;
+ NeedsSet = false;
+ MaxInstLength = 4;
+ PCSymbol = "$";
+ SeparatorChar = ';';
+ CommentColumn = 60;
+ CommentString = "#";
+ GlobalPrefix = "";
+ PrivateGlobalPrefix = ".";
+ LinkerPrivateGlobalPrefix = "";
+ JumpTableSpecialLabelPrefix = 0;
+ GlobalVarAddrPrefix = "";
+ GlobalVarAddrSuffix = "";
+ FunctionAddrPrefix = "";
+ FunctionAddrSuffix = "";
+ PersonalityPrefix = "";
+ PersonalitySuffix = "";
+ NeedsIndirectEncoding = false;
+ InlineAsmStart = "APP";
+ InlineAsmEnd = "NO_APP";
+ AssemblerDialect = 0;
+ AllowQuotesInName = false;
+ ZeroDirective = "\t.zero\t";
+ ZeroDirectiveSuffix = 0;
+ AsciiDirective = "\t.ascii\t";
+ AscizDirective = "\t.asciz\t";
+ Data8bitsDirective = "\t.byte\t";
+ Data16bitsDirective = "\t.short\t";
+ Data32bitsDirective = "\t.long\t";
+ Data64bitsDirective = "\t.quad\t";
+ SunStyleELFSectionSwitchSyntax = false;
+ UsesELFSectionDirectiveForBSS = false;
+ AlignDirective = "\t.align\t";
+ AlignmentIsInBytes = true;
+ TextAlignFillValue = 0;
+ JumpTableDirective = 0;
+ PICJumpTableDirective = 0;
+ GlobalDirective = "\t.globl\t";
+ SetDirective = 0;
+ LCOMMDirective = 0;
+ COMMDirective = "\t.comm\t";
+ COMMDirectiveTakesAlignment = true;
+ HasDotTypeDotSizeDirective = true;
+ HasSingleParameterDotFile = true;
+ UsedDirective = 0;
+ WeakRefDirective = 0;
+ WeakDefDirective = 0;
+ // FIXME: These are ELFish - move to ELFTAI.
+ HiddenDirective = "\t.hidden\t";
+ ProtectedDirective = "\t.protected\t";
+ AbsoluteDebugSectionOffsets = false;
+ AbsoluteEHSectionOffsets = false;
+ HasLEB128 = false;
+ HasDotLocAndDotFile = false;
+ SupportsDebugInformation = false;
+ ExceptionsType = ExceptionHandling::None;
+ DwarfRequiresFrameSection = true;
+ DwarfUsesInlineInfoSection = false;
+ Is_EHSymbolPrivate = true;
+ GlobalEHDirective = 0;
+ SupportsWeakOmittedEHFrame = true;
+ DwarfSectionOffsetDirective = 0;
+
+ AsmTransCBE = 0;
+}
+
+MCAsmInfo::~MCAsmInfo() {
+}
+
+
+unsigned MCAsmInfo::getULEB128Size(unsigned Value) {
+ unsigned Size = 0;
+ do {
+ Value >>= 7;
+ Size += sizeof(int8_t);
+ } while (Value);
+ return Size;
+}
+
+unsigned MCAsmInfo::getSLEB128Size(int Value) {
+ unsigned Size = 0;
+ int Sign = Value >> (8 * sizeof(Value) - 1);
+ bool IsMore;
+
+ do {
+ unsigned Byte = Value & 0x7f;
+ Value >>= 7;
+ IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0;
+ Size += sizeof(int8_t);
+ } while (IsMore);
+ return Size;
+}
--- /dev/null
+//===-- COFFMCAsmInfo.cpp - 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.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines target asm properties related what form asm statements
+// should take in general on COFF-based targets
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCAsmInfoCOFF.h"
+#include "llvm/ADT/SmallVector.h"
+using namespace llvm;
+
+COFFMCAsmInfo::COFFMCAsmInfo() {
+ GlobalPrefix = "_";
+ LCOMMDirective = "\t.lcomm\t";
+ COMMDirectiveTakesAlignment = false;
+ HasDotTypeDotSizeDirective = false;
+ HasSingleParameterDotFile = false;
+ HiddenDirective = NULL;
+ PrivateGlobalPrefix = "L"; // Prefix for private global symbols
+ WeakRefDirective = "\t.weak\t";
+ SetDirective = "\t.set\t";
+
+ // Set up DWARF directives
+ HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
+ AbsoluteDebugSectionOffsets = true;
+ AbsoluteEHSectionOffsets = false;
+ SupportsDebugInformation = true;
+ DwarfSectionOffsetDirective = "\t.secrel32\t";
+}
+
--- /dev/null
+//===-- MCAsmInfoDarwin.cpp - 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCAsmInfoDarwin.h"
+using namespace llvm;
+
+DarwinMCAsmInfo::DarwinMCAsmInfo() {
+ // Common settings for all Darwin targets.
+ // Syntax:
+ GlobalPrefix = "_";
+ PrivateGlobalPrefix = "L";
+ LinkerPrivateGlobalPrefix = "l"; // Marker for some ObjC metadata
+ NeedsSet = true;
+ NeedsIndirectEncoding = true;
+ AllowQuotesInName = true;
+ HasSingleParameterDotFile = false;
+
+ AlignmentIsInBytes = false;
+ InlineAsmStart = " InlineAsm Start";
+ InlineAsmEnd = " InlineAsm End";
+
+ // In non-PIC modes, emit a special label before jump tables so that the
+ // linker can perform more accurate dead code stripping. We do not check the
+ // relocation model here since it can be overridden later.
+ JumpTableSpecialLabelPrefix = "l";
+
+ // Directives:
+ WeakDefDirective = "\t.weak_definition ";
+ WeakRefDirective = "\t.weak_reference ";
+ HiddenDirective = "\t.private_extern ";
+ LCOMMDirective = "\t.lcomm\t";
+ ZeroDirective = "\t.space\t"; // ".space N" emits N zeros.
+ ZeroFillDirective = "\t.zerofill\t"; // Uses .zerofill
+ SetDirective = "\t.set";
+ ProtectedDirective = "\t.globl\t";
+ HasDotTypeDotSizeDirective = false;
+ UsedDirective = "\t.no_dead_strip\t";
+
+ // _foo.eh symbols are currently always exported so that the linker knows
+ // about them. This is not necessary on 10.6 and later, but it
+ // doesn't hurt anything.
+ // FIXME: I need to get this from Triple.
+ Is_EHSymbolPrivate = false;
+ GlobalEHDirective = "\t.globl\t";
+ SupportsWeakOmittedEHFrame = false;
+
+}
+
+++ /dev/null
-//===-- COFFMCAsmInfo.cpp - 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.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines target asm properties related what form asm statements
-// should take in general on COFF-based targets
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/MC/MCAsmInfoCOFF.h"
-#include "llvm/ADT/SmallVector.h"
-using namespace llvm;
-
-COFFMCAsmInfo::COFFMCAsmInfo() {
- GlobalPrefix = "_";
- LCOMMDirective = "\t.lcomm\t";
- COMMDirectiveTakesAlignment = false;
- HasDotTypeDotSizeDirective = false;
- HasSingleParameterDotFile = false;
- HiddenDirective = NULL;
- PrivateGlobalPrefix = "L"; // Prefix for private global symbols
- WeakRefDirective = "\t.weak\t";
- SetDirective = "\t.set\t";
-
- // Set up DWARF directives
- HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
- AbsoluteDebugSectionOffsets = true;
- AbsoluteEHSectionOffsets = false;
- SupportsDebugInformation = true;
- DwarfSectionOffsetDirective = "\t.secrel32\t";
-}
-
+++ /dev/null
-//===-- MCAsmInfoDarwin.cpp - 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
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/MC/MCAsmInfoDarwin.h"
-using namespace llvm;
-
-DarwinMCAsmInfo::DarwinMCAsmInfo() {
- // Common settings for all Darwin targets.
- // Syntax:
- GlobalPrefix = "_";
- PrivateGlobalPrefix = "L";
- LinkerPrivateGlobalPrefix = "l"; // Marker for some ObjC metadata
- NeedsSet = true;
- NeedsIndirectEncoding = true;
- AllowQuotesInName = true;
- HasSingleParameterDotFile = false;
-
- AlignmentIsInBytes = false;
- InlineAsmStart = " InlineAsm Start";
- InlineAsmEnd = " InlineAsm End";
-
- // In non-PIC modes, emit a special label before jump tables so that the
- // linker can perform more accurate dead code stripping. We do not check the
- // relocation model here since it can be overridden later.
- JumpTableSpecialLabelPrefix = "l";
-
- // Directives:
- WeakDefDirective = "\t.weak_definition ";
- WeakRefDirective = "\t.weak_reference ";
- HiddenDirective = "\t.private_extern ";
- LCOMMDirective = "\t.lcomm\t";
- ZeroDirective = "\t.space\t"; // ".space N" emits N zeros.
- ZeroFillDirective = "\t.zerofill\t"; // Uses .zerofill
- SetDirective = "\t.set";
- ProtectedDirective = "\t.globl\t";
- HasDotTypeDotSizeDirective = false;
- UsedDirective = "\t.no_dead_strip\t";
-
- // _foo.eh symbols are currently always exported so that the linker knows
- // about them. This is not necessary on 10.6 and later, but it
- // doesn't hurt anything.
- // FIXME: I need to get this from Triple.
- Is_EHSymbolPrivate = false;
- GlobalEHDirective = "\t.globl\t";
- SupportsWeakOmittedEHFrame = false;
-
-}
-
+++ /dev/null
-//===-- MCAsmInfo.cpp - Asm Info -------------------------------------------==//
-//
-// 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.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/MC/MCAsmInfo.h"
-#include <cctype>
-#include <cstring>
-using namespace llvm;
-
-MCAsmInfo::MCAsmInfo() {
- ZeroFillDirective = 0;
- NonexecutableStackDirective = 0;
- NeedsSet = false;
- MaxInstLength = 4;
- PCSymbol = "$";
- SeparatorChar = ';';
- CommentColumn = 60;
- CommentString = "#";
- GlobalPrefix = "";
- PrivateGlobalPrefix = ".";
- LinkerPrivateGlobalPrefix = "";
- JumpTableSpecialLabelPrefix = 0;
- GlobalVarAddrPrefix = "";
- GlobalVarAddrSuffix = "";
- FunctionAddrPrefix = "";
- FunctionAddrSuffix = "";
- PersonalityPrefix = "";
- PersonalitySuffix = "";
- NeedsIndirectEncoding = false;
- InlineAsmStart = "APP";
- InlineAsmEnd = "NO_APP";
- AssemblerDialect = 0;
- AllowQuotesInName = false;
- ZeroDirective = "\t.zero\t";
- ZeroDirectiveSuffix = 0;
- AsciiDirective = "\t.ascii\t";
- AscizDirective = "\t.asciz\t";
- Data8bitsDirective = "\t.byte\t";
- Data16bitsDirective = "\t.short\t";
- Data32bitsDirective = "\t.long\t";
- Data64bitsDirective = "\t.quad\t";
- SunStyleELFSectionSwitchSyntax = false;
- UsesELFSectionDirectiveForBSS = false;
- AlignDirective = "\t.align\t";
- AlignmentIsInBytes = true;
- TextAlignFillValue = 0;
- JumpTableDirective = 0;
- PICJumpTableDirective = 0;
- GlobalDirective = "\t.globl\t";
- SetDirective = 0;
- LCOMMDirective = 0;
- COMMDirective = "\t.comm\t";
- COMMDirectiveTakesAlignment = true;
- HasDotTypeDotSizeDirective = true;
- HasSingleParameterDotFile = true;
- UsedDirective = 0;
- WeakRefDirective = 0;
- WeakDefDirective = 0;
- // FIXME: These are ELFish - move to ELFTAI.
- HiddenDirective = "\t.hidden\t";
- ProtectedDirective = "\t.protected\t";
- AbsoluteDebugSectionOffsets = false;
- AbsoluteEHSectionOffsets = false;
- HasLEB128 = false;
- HasDotLocAndDotFile = false;
- SupportsDebugInformation = false;
- ExceptionsType = ExceptionHandling::None;
- DwarfRequiresFrameSection = true;
- DwarfUsesInlineInfoSection = false;
- Is_EHSymbolPrivate = true;
- GlobalEHDirective = 0;
- SupportsWeakOmittedEHFrame = true;
- DwarfSectionOffsetDirective = 0;
-
- AsmTransCBE = 0;
-}
-
-MCAsmInfo::~MCAsmInfo() {
-}
-
-
-unsigned MCAsmInfo::getULEB128Size(unsigned Value) {
- unsigned Size = 0;
- do {
- Value >>= 7;
- Size += sizeof(int8_t);
- } while (Value);
- return Size;
-}
-
-unsigned MCAsmInfo::getSLEB128Size(int Value) {
- unsigned Size = 0;
- int Sign = Value >> (8 * sizeof(Value) - 1);
- bool IsMore;
-
- do {
- unsigned Byte = Value & 0x7f;
- Value >>= 7;
- IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0;
- Size += sizeof(int8_t);
- } while (IsMore);
- return Size;
-}
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