X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FCodeGen%2FMachineModuleInfoImpls.h;h=7afc7eb6b3577b47f61db9237453ee41cdfd9026;hb=980bddfb1c26e2e9374d1645f9ae26c44742606f;hp=492c016fd6c03d030610bdfc75f36a736b36c583;hpb=686cb3df6a7c88f2c6f29b02064e6f7dc8658d3f;p=oota-llvm.git diff --git a/include/llvm/CodeGen/MachineModuleInfoImpls.h b/include/llvm/CodeGen/MachineModuleInfoImpls.h index 492c016fd6c..7afc7eb6b35 100644 --- a/include/llvm/CodeGen/MachineModuleInfoImpls.h +++ b/include/llvm/CodeGen/MachineModuleInfoImpls.h @@ -19,45 +19,45 @@ 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 FnStubs; + DenseMap FnStubs; /// GVStubs - Darwin '$non_lazy_ptr' stubs. The key is something like - /// "Lfoo$non_lazy_ptr", the value is something like "_foo". - DenseMap GVStubs; + /// "Lfoo$non_lazy_ptr", the value is something like "_foo". The extra bit + /// is true if this GV is external. + DenseMap GVStubs; /// HiddenGVStubs - Darwin '$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 HiddenGVStubs; + /// these are for things with hidden visibility. The extra bit is true if + /// this GV is external. + DenseMap 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 *&getGVStubsEntry(const MCSymbol *Sym) { + StubValueTy &getGVStubEntry(MCSymbol *Sym) { assert(Sym && "Key cannot be null"); return GVStubs[Sym]; } - const MCSymbol *&getHiddenGVStubsEntry(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 > - SymbolListTy; - SymbolListTy GetFnStubList() const { return GetSortedStubs(FnStubs); } @@ -67,12 +67,31 @@ namespace llvm { SymbolListTy GetHiddenGVStubList() const { return GetSortedStubs(HiddenGVStubs); } - - private: - static SymbolListTy - GetSortedStubs(const DenseMap &Map); }; - + + /// 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 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() const { + return GetSortedStubs(GVStubs); + } + }; + } // end namespace llvm #endif