namespace llvm {
class MCSymbol;
-
+
/// MachineModuleInfoMachO - This is a MachineModuleInfoImpl implementation
/// for MachO targets.
class MachineModuleInfoMachO : public MachineModuleInfoImpl {
/// FnStubs - Darwin '$stub' stubs. The key is something like "Lfoo$stub",
/// the value is something like "_foo".
- DenseMap<const MCSymbol*, const MCSymbol*> FnStubs;
+ DenseMap<MCSymbol*, StubValueTy> FnStubs;
/// GVStubs - Darwin '$non_lazy_ptr' stubs. The key is something like
- /// "Lfoo$non_lazy_ptr", the value is something like "_foo".
- DenseMap<const MCSymbol*, const MCSymbol*> GVStubs;
+ /// "Lfoo$non_lazy_ptr", the value is something like "_foo". The extra bit
+ /// is true if this GV is external.
+ DenseMap<MCSymbol*, StubValueTy> GVStubs;
/// HiddenGVStubs - Darwin '$non_lazy_ptr' stubs. The key is something like
/// "Lfoo$non_lazy_ptr", the value is something like "_foo". Unlike GVStubs
- /// these are for things with hidden visibility.
- DenseMap<const MCSymbol*, const MCSymbol*> HiddenGVStubs;
+ /// these are for things with hidden visibility. The extra bit is true if
+ /// this GV is external.
+ DenseMap<MCSymbol*, StubValueTy> HiddenGVStubs;
- virtual void Anchor(); // Out of line virtual method.
+ virtual void anchor(); // Out of line virtual method.
public:
MachineModuleInfoMachO(const MachineModuleInfo &) {}
- const MCSymbol *&getFnStubEntry(const MCSymbol *Sym) {
+ StubValueTy &getFnStubEntry(MCSymbol *Sym) {
assert(Sym && "Key cannot be null");
return FnStubs[Sym];
}
- const MCSymbol *&getGVStubEntry(const MCSymbol *Sym) {
+ StubValueTy &getGVStubEntry(MCSymbol *Sym) {
assert(Sym && "Key cannot be null");
return GVStubs[Sym];
}
- const MCSymbol *&getHiddenGVStubEntry(const MCSymbol *Sym) {
+ StubValueTy &getHiddenGVStubEntry(MCSymbol *Sym) {
assert(Sym && "Key cannot be null");
return HiddenGVStubs[Sym];
}
-
+
/// Accessor methods to return the set of stubs in sorted order.
- typedef std::vector<std::pair<const MCSymbol*, const MCSymbol*> >
- SymbolListTy;
-
- SymbolListTy GetFnStubList() const {
- return GetSortedStubs(FnStubs);
+ SymbolListTy GetFnStubList() {
+ return getSortedStubs(FnStubs);
}
- SymbolListTy GetGVStubList() const {
- return GetSortedStubs(GVStubs);
+ SymbolListTy GetGVStubList() {
+ return getSortedStubs(GVStubs);
}
- SymbolListTy GetHiddenGVStubList() const {
- return GetSortedStubs(HiddenGVStubs);
+ SymbolListTy GetHiddenGVStubList() {
+ return getSortedStubs(HiddenGVStubs);
+ }
+ };
+
+ /// MachineModuleInfoELF - This is a MachineModuleInfoImpl implementation
+ /// for ELF targets.
+ class MachineModuleInfoELF : public MachineModuleInfoImpl {
+ /// GVStubs - These stubs are used to materialize global addresses in PIC
+ /// mode.
+ DenseMap<MCSymbol*, StubValueTy> GVStubs;
+
+ virtual void anchor(); // Out of line virtual method.
+ public:
+ MachineModuleInfoELF(const MachineModuleInfo &) {}
+
+ StubValueTy &getGVStubEntry(MCSymbol *Sym) {
+ assert(Sym && "Key cannot be null");
+ return GVStubs[Sym];
+ }
+
+ /// Accessor methods to return the set of stubs in sorted order.
+
+ SymbolListTy GetGVStubList() {
+ return getSortedStubs(GVStubs);
}
-
- private:
- static SymbolListTy
- GetSortedStubs(const DenseMap<const MCSymbol*, const MCSymbol*> &Map);
};
-
+
} // end namespace llvm
#endif