class MCLineSection;
class StringRef;
class Twine;
+ class TargetAsmInfo;
class MCSectionMachO;
class MCSectionELF;
class MCContext {
MCContext(const MCContext&); // DO NOT IMPLEMENT
MCContext &operator=(const MCContext&); // DO NOT IMPLEMENT
+ public:
+ typedef StringMap<MCSymbol*, BumpPtrAllocator&> SymbolTable;
+ private:
/// The MCAsmInfo for this target.
const MCAsmInfo &MAI;
+ const TargetAsmInfo *TAI;
+
+ /// Allocator - Allocator object used for creating machine code objects.
+ ///
+ /// We use a bump pointer allocator to avoid the need to track all allocated
+ /// objects.
+ BumpPtrAllocator Allocator;
+
/// Symbols - Bindings of names to symbols.
- StringMap<MCSymbol*> Symbols;
+ SymbolTable Symbols;
/// UsedNames - Keeps tracks of names that were used both for used declared
/// and artificial symbols.
- StringMap<bool> UsedNames;
+ StringMap<bool, BumpPtrAllocator&> UsedNames;
/// NextUniqueID - The next ID to dole out to an unnamed assembler temporary
/// symbol.
MCDwarfLoc CurrentDwarfLoc;
bool DwarfLocSeen;
+ /// Honor temporary labels, this is useful for debugging semantic
+ /// differences between temporary and non-temporary labels (primarily on
+ /// Darwin).
+ bool AllowTemporaryLabels;
+
/// The dwarf line information from the .loc directives for the sections
/// with assembled machine instructions have after seeing .loc directives.
DenseMap<const MCSection *, MCLineSection *> MCLineSections;
/// the elements were added.
std::vector<const MCSection *> MCLineSectionOrder;
- /// Allocator - Allocator object used for creating machine code objects.
- ///
- /// We use a bump pointer allocator to avoid the need to track all allocated
- /// objects.
- BumpPtrAllocator Allocator;
-
void *MachOUniquingMap, *ELFUniquingMap, *COFFUniquingMap;
MCSymbol *CreateSymbol(StringRef Name);
public:
- explicit MCContext(const MCAsmInfo &MAI);
+ explicit MCContext(const MCAsmInfo &MAI, const TargetAsmInfo *TAI);
~MCContext();
const MCAsmInfo &getAsmInfo() const { return MAI; }
+ const TargetAsmInfo &getTargetAsmInfo() const { return *TAI; }
+
+ void setAllowTemporaryLabels(bool Value) { AllowTemporaryLabels = Value; }
+
/// @name Symbol Management
/// @{
/// LookupSymbol - Get the symbol for \p Name, or null.
MCSymbol *LookupSymbol(StringRef Name) const;
+ /// getSymbols - Get a reference for the symbol table for clients that
+ /// want to, for example, iterate over all symbols. 'const' because we
+ /// still want any modifications to the table itself to use the MCContext
+ /// APIs.
+ const SymbolTable &getSymbols() const {
+ return Symbols;
+ }
+
/// @}
/// @name Section Management
bool isValidDwarfFileNumber(unsigned FileNumber);
- bool hasDwarfFiles(void) {
- return MCDwarfFiles.size() != 0;
- }
- bool hasDwarfLines(void) {
- return MCLineSectionOrder.size() != 0;
+ bool hasDwarfFiles() const {
+ return !MCDwarfFiles.empty();
}
const std::vector<MCDwarfFile *> &getMCDwarfFiles() {