namespace llvm {
class MCSection;
class MCContext;
-
+
/// 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 }; }
/// HasSubsectionsViaSymbols - True if this target has the MachO
/// .subsections_via_symbols directive.
bool HasSubsectionsViaSymbols; // Default is false.
-
+
/// HasMachoZeroFillDirective - True if this is a MachO target that supports
/// the macho-specific .zerofill directive for emitting BSS Symbols.
bool HasMachoZeroFillDirective; // Default is false.
-
+
/// HasMachoTBSSDirective - True if this is a MachO target that supports
/// the macho-specific .tbss directive for emitting thread local BSS Symbols
bool HasMachoTBSSDirective; // Default is false.
-
+
/// HasStaticCtorDtorReferenceInStaticMode - True if the compiler should
/// emit a ".reference .constructors_used" or ".reference .destructors_used"
/// directive after the a static ctor/dtor list. This directive is only
/// emitted in Static relocation model.
bool HasStaticCtorDtorReferenceInStaticMode; // Default is false.
-
+
+ /// LinkerRequiresNonEmptyDwarfLines - True if the linker has a bug and
+ /// requires that the debug_line section be of a minimum size. In practice
+ /// such a linker requires a non empty line sequence if a file is present.
+ bool LinkerRequiresNonEmptyDwarfLines; // Default 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 "$".
/// assembler.
const char *CommentString; // Defaults to "#"
+ /// LabelSuffix - This is appended to emitted labels.
+ const char *LabelSuffix; // 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 ""
/// 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 ""
-
+
/// 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"
/// 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.
/// which should be relocated as a 32-bit GP-relative offset, e.g. .gpword
/// on Mips or .gprel32 on Alpha.
const char *GPRel32Directive; // Defaults to NULL.
-
+
/// 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 {
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
+ /// '.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.
-
+
/// HasMicrosoftFastStdCallMangling - True if this target uses microsoft
/// style mangling for functions with X86_StdCall/X86_FastCall calling
/// convention.
bool HasMicrosoftFastStdCallMangling; // Defaults to false.
-
+
//===--- Alignment Information ----------------------------------------===//
/// AlignDirective - The directive used to emit round up to an alignment
unsigned TextAlignFillValue; // Defaults to 0
//===--- 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
+ /// ExternDirective - This is the directive used to declare external
/// globals.
///
const char *ExternDirective; // Defaults to NULL.
-
+
/// HasSetDirective - True if the assembler supports the .set directive.
bool HasSetDirective; // Defaults to true.
-
+
+ /// NeedsSetToChangeDiffSize - True if the assembler requires that we do
+ /// Lc = a - b
+ /// .long Lc
+ /// instead of doing
+ /// .long a - b
+ bool NeedsSetToChangeDiffSize; // Defaults to false.
+
/// HasLCOMMDirective - This is true if the target supports the .lcomm
/// directive.
bool HasLCOMMDirective; // Defaults to false.
-
+
/// COMMDirectiveAlignmentIsInBytes - True is COMMDirective's optional
/// alignment is to be specified in bytes instead of log2(n).
bool COMMDirectiveAlignmentIsInBytes; // 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.
/// directive.
bool HasNoDeadStrip; // Defaults to false.
+ /// HasSymbolResolver - True if this target supports the MachO
+ /// .symbol_resolver directive.
+ bool HasSymbolResolver; // Defaults to false.
+
/// 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.
/// LinkOnceDirective - This directive, if non-null is used to declare a
/// global as being a weak defined symbol. This is used on cygwin/mingw.
const char *LinkOnceDirective; // Defaults to NULL.
-
+
/// HiddenVisibilityAttr - This attribute, if not MCSA_Invalid, is used to
/// declare a symbol as having hidden visibility.
MCSymbolAttr HiddenVisibilityAttr; // Defaults to MCSA_Hidden.
/// 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; // Defaults to false.
/// DwarfSectionOffsetDirective - Special section offset directive.
const char* DwarfSectionOffsetDirective; // Defaults to NULL
-
+
+ /// DwarfUsesAbsoluteLabelForStmtList - True if DW_AT_stmt_list needs
+ /// absolute label instead of offset.
+ bool DwarfUsesAbsoluteLabelForStmtList; // Defaults to true;
+
+ // DwarfUsesLabelOffsetDifference - True if Dwarf2 output can
+ // use EmitLabelOffsetDifference.
+ bool DwarfUsesLabelOffsetForRanges;
+
//===--- CBE Asm Translation Table -----------------------------------===//
const char *const *AsmTransCBE; // Defaults to empty
static unsigned getULEB128Size(unsigned Value);
bool hasSubsectionsViaSymbols() const { return HasSubsectionsViaSymbols; }
-
+
// Data directive accessors.
//
const char *getData8bitsDirective(unsigned AS = 0) const {
virtual const MCSection *getNonexecutableStackSection(MCContext &Ctx) const{
return 0;
}
-
+
bool usesSunStyleELFSectionSwitchSyntax() const {
return SunStyleELFSectionSwitchSyntax;
}
-
+
bool usesELFSectionDirectiveForBSS() const {
return UsesELFSectionDirectiveForBSS;
}
bool hasMicrosoftFastStdCallMangling() const {
return HasMicrosoftFastStdCallMangling;
}
-
+
// Accessors.
//
bool hasMachoZeroFillDirective() const { return HasMachoZeroFillDirective; }
bool hasStaticCtorDtorReferenceInStaticMode() const {
return HasStaticCtorDtorReferenceInStaticMode;
}
+ bool getLinkerRequiresNonEmptyDwarfLines() const {
+ return LinkerRequiresNonEmptyDwarfLines;
+ }
unsigned getMaxInstLength() const {
return MaxInstLength;
}
const char *getCommentString() const {
return CommentString;
}
+ const char *getLabelSuffix() const {
+ return LabelSuffix;
+ }
const char *getGlobalPrefix() const {
return GlobalPrefix;
}
return ExternDirective;
}
bool hasSetDirective() const { return HasSetDirective; }
+ bool needsSetToChangeDiffSize() const { return NeedsSetToChangeDiffSize; }
bool hasLCOMMDirective() const { return HasLCOMMDirective; }
bool hasDotTypeDotSizeDirective() const {return HasDotTypeDotSizeDirective;}
bool getCOMMDirectiveAlignmentIsInBytes() const {
}
bool hasSingleParameterDotFile() const { return HasSingleParameterDotFile; }
bool hasNoDeadStrip() const { return HasNoDeadStrip; }
+ bool hasSymbolResolver() const { return HasSymbolResolver; }
const char *getWeakRefDirective() const { return WeakRefDirective; }
const char *getWeakDefDirective() const { return WeakDefDirective; }
const char *getLinkOnceDirective() const { return LinkOnceDirective; }
-
+
MCSymbolAttr getHiddenVisibilityAttr() const { return HiddenVisibilityAttr;}
MCSymbolAttr getProtectedVisibilityAttr() const {
return ProtectedVisibilityAttr;
bool hasLEB128() const {
return HasLEB128;
}
- bool hasDotLocAndDotFile() const {
- return HasDotLocAndDotFile;
- }
bool doesSupportDebugInformation() const {
return SupportsDebugInformation;
}
const char *getDwarfSectionOffsetDirective() const {
return DwarfSectionOffsetDirective;
}
+ bool doesDwarfUsesAbsoluteLabelForStmtList() const {
+ return DwarfUsesAbsoluteLabelForStmtList;
+ }
+ bool doesDwarfUsesLabelOffsetForRanges() const {
+ return DwarfUsesLabelOffsetForRanges;
+ }
const char *const *getAsmCBE() const {
return AsmTransCBE;
}
projects / oota-llvm.git / blobdiff