aboutsummaryrefslogtreecommitdiffstats
path: root/include/llvm/MC/MCAsmInfo.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/llvm/MC/MCAsmInfo.h')
-rw-r--r--include/llvm/MC/MCAsmInfo.h129
1 files changed, 76 insertions, 53 deletions
diff --git a/include/llvm/MC/MCAsmInfo.h b/include/llvm/MC/MCAsmInfo.h
index 7a99394..037a24f 100644
--- a/include/llvm/MC/MCAsmInfo.h
+++ b/include/llvm/MC/MCAsmInfo.h
@@ -82,7 +82,7 @@ namespace llvm {
/// 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.
+ /// 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,
@@ -101,10 +101,6 @@ namespace llvm {
/// instructions from each other when on the same line.
const char *SeparatorString; // Defaults to ';'
- /// CommentColumn - This indicates the comment num (zero-based) at
- /// which asm comments should be printed.
- unsigned CommentColumn; // Defaults to 40
-
/// CommentString - This indicates the comment character used by the
/// assembler.
const char *CommentString; // Defaults to "#"
@@ -115,19 +111,17 @@ namespace llvm {
/// LabelSuffix - This is appended to emitted labels.
const char *DebugLabelSuffix; // 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 "."
+ /// 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.
+ const char *PrivateGlobalPrefix; // Defaults to "L"
- /// 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 ""
+ /// 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.
+ /// The default of "" meast that for this system a plain private symbol
+ /// should be used.
+ const char *LinkerPrivateGlobalPrefix; // Defaults to "".
/// InlineAsmStart/End - If these are nonempty, they contain a directive to
/// emit before and after an inline assembly statement.
@@ -198,20 +192,10 @@ namespace llvm {
/// 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.
-
bool NeedsDwarfSectionOffsetDirective;
//===--- 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
@@ -266,13 +250,16 @@ namespace llvm {
/// 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.
+ /// True if we have a directive to declare a global as being a weak
+ /// defined symbol.
+ bool HasWeakDefDirective; // Defaults to false.
- /// 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.
+ /// True if we have a directive to declare a global as being a weak
+ /// defined symbol that can be hidden (unexported).
+ bool HasWeakDefCanBeHiddenDirective; // Defaults to false.
+
+ /// True if we have a .linkonce directive. This is used on cygwin/mingw.
+ bool HasLinkOnceDirective; // Defaults to false.
/// HiddenVisibilityAttr - This attribute, if not MCSA_Invalid, is used to
/// declare a symbol as having hidden visibility.
@@ -303,22 +290,37 @@ namespace llvm {
/// uses relocations for references to other .debug_* sections.
bool DwarfUsesRelocationsAcrossSections;
+ /// DwarfFDESymbolsUseAbsDiff - true if DWARF FDE symbol reference
+ /// relocations should be replaced by an absolute difference.
+ bool DwarfFDESymbolsUseAbsDiff;
+
/// DwarfRegNumForCFI - True if dwarf register numbers are printed
/// instead of symbolic register names in .cfi_* directives.
bool DwarfRegNumForCFI; // Defaults to false;
+ /// UseParensForSymbolVariant - True if target uses parens to indicate the
+ /// symbol variant instead of @. For example, foo(plt) instead of foo@plt.
+ bool UseParensForSymbolVariant; // Defaults to false;
+
//===--- Prologue State ----------------------------------------------===//
std::vector<MCCFIInstruction> InitialFrameState;
+ //===--- Integrated Assembler State ----------------------------------===//
+ /// Should we use the integrated assembler?
+ /// The integrated assembler should be enabled by default (by the
+ /// constructors) when failing to parse a valid piece of assembly (inline
+ /// or otherwise) is considered a bug. It may then be overridden after
+ /// construction (see LLVMTargetMachine::initAsmInfo()).
+ bool UseIntegratedAssembler;
+
+ /// Compress DWARF debug sections. Defaults to false.
+ bool CompressDebugSections;
+
public:
explicit MCAsmInfo();
virtual ~MCAsmInfo();
- // FIXME: move these methods to DwarfPrinter when the JIT stops using them.
- static unsigned getSLEB128Size(int64_t Value);
- static unsigned getULEB128Size(uint64_t Value);
-
/// getPointerSize - Get the pointer size in bytes.
unsigned getPointerSize() const {
return PointerSize;
@@ -371,7 +373,7 @@ namespace llvm {
unsigned Encoding,
MCStreamer &Streamer) const;
- const MCExpr *
+ virtual const MCExpr *
getExprForFDESymbol(const MCSymbol *Sym,
unsigned Encoding,
MCStreamer &Streamer) const;
@@ -384,10 +386,6 @@ namespace llvm {
return UsesELFSectionDirectiveForBSS;
}
- bool hasMicrosoftFastStdCallMangling() const {
- return HasMicrosoftFastStdCallMangling;
- }
-
bool needsDwarfSectionOffsetDirective() const {
return NeedsDwarfSectionOffsetDirective;
}
@@ -414,9 +412,13 @@ namespace llvm {
const char *getSeparatorString() const {
return SeparatorString;
}
+
+ /// This indicates the column (zero-based) at which asm comments should be
+ /// printed.
unsigned getCommentColumn() const {
- return CommentColumn;
+ return 40;
}
+
const char *getCommentString() const {
return CommentString;
}
@@ -427,15 +429,16 @@ namespace llvm {
const char *getDebugLabelSuffix() const {
return DebugLabelSuffix;
}
-
- const char *getGlobalPrefix() const {
- return GlobalPrefix;
- }
const char *getPrivateGlobalPrefix() const {
return PrivateGlobalPrefix;
}
+ bool hasLinkerPrivateGlobalPrefix() const {
+ return LinkerPrivateGlobalPrefix[0] != '\0';
+ }
const char *getLinkerPrivateGlobalPrefix() const {
- return LinkerPrivateGlobalPrefix;
+ if (hasLinkerPrivateGlobalPrefix())
+ return LinkerPrivateGlobalPrefix;
+ return getPrivateGlobalPrefix();
}
const char *getInlineAsmStart() const {
return InlineAsmStart;
@@ -470,9 +473,6 @@ namespace llvm {
const char *getAscizDirective() const {
return AscizDirective;
}
- const char *getAlignDirective() const {
- return AlignDirective;
- }
bool getAlignmentIsInBytes() const {
return AlignmentIsInBytes;
}
@@ -497,8 +497,11 @@ namespace llvm {
bool hasIdentDirective() const { return HasIdentDirective; }
bool hasNoDeadStrip() const { return HasNoDeadStrip; }
const char *getWeakRefDirective() const { return WeakRefDirective; }
- const char *getWeakDefDirective() const { return WeakDefDirective; }
- const char *getLinkOnceDirective() const { return LinkOnceDirective; }
+ bool hasWeakDefDirective() const { return HasWeakDefDirective; }
+ bool hasWeakDefCanBeHiddenDirective() const {
+ return HasWeakDefCanBeHiddenDirective;
+ }
+ bool hasLinkOnceDirective() const { return HasLinkOnceDirective; }
MCSymbolAttr getHiddenVisibilityAttr() const { return HiddenVisibilityAttr;}
MCSymbolAttr getHiddenDeclarationVisibilityAttr() const {
@@ -528,9 +531,15 @@ namespace llvm {
bool doesDwarfUseRelocationsAcrossSections() const {
return DwarfUsesRelocationsAcrossSections;
}
+ bool doDwarfFDESymbolsUseAbsDiff() const {
+ return DwarfFDESymbolsUseAbsDiff;
+ }
bool useDwarfRegNumForCFI() const {
return DwarfRegNumForCFI;
}
+ bool useParensForSymbolVariant() const {
+ return UseParensForSymbolVariant;
+ }
void addInitialFrameState(const MCCFIInstruction &Inst) {
InitialFrameState.push_back(Inst);
@@ -539,6 +548,20 @@ namespace llvm {
const std::vector<MCCFIInstruction> &getInitialFrameState() const {
return InitialFrameState;
}
+
+ /// Return true if assembly (inline or otherwise) should be parsed.
+ bool useIntegratedAssembler() const { return UseIntegratedAssembler; }
+
+ /// Set whether assembly (inline or otherwise) should be parsed.
+ virtual void setUseIntegratedAssembler(bool Value) {
+ UseIntegratedAssembler = Value;
+ }
+
+ bool compressDebugSections() const { return CompressDebugSections; }
+
+ void setCompressDebugSections(bool CompressDebugSections) {
+ this->CompressDebugSections = CompressDebugSections;
+ }
};
}
generated by cgit v1.1 at 2024-05-17 22:05:00 +0000