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//===-- llvm/CodeGen/MachineModuleInfoImpls.h -------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines object-file format specific implementations of
// MachineModuleInfoImpl.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_MACHINEMODULEINFOIMPLS_H
#define LLVM_CODEGEN_MACHINEMODULEINFOIMPLS_H
#include "llvm/CodeGen/MachineModuleInfo.h"
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;
/// 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;
/// 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;
virtual void Anchor(); // Out of line virtual method.
public:
MachineModuleInfoMachO(const MachineModuleInfo &) {}
const MCSymbol *&getFnStubEntry(const MCSymbol *Sym) {
assert(Sym && "Key cannot be null");
return FnStubs[Sym];
}
const MCSymbol *&getGVStubEntry(const MCSymbol *Sym) {
assert(Sym && "Key cannot be null");
return GVStubs[Sym];
}
const MCSymbol *&getHiddenGVStubEntry(const 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 GetGVStubList() const {
return GetSortedStubs(GVStubs);
}
SymbolListTy GetHiddenGVStubList() const {
return GetSortedStubs(HiddenGVStubs);
}
private:
static SymbolListTy
GetSortedStubs(const DenseMap<const MCSymbol*, const MCSymbol*> &Map);
};
} // end namespace llvm
#endif
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