// PCLabelMap - A map from PC labels to addresses.
DenseMap<unsigned, intptr_t> PCLabelMap;
+ // Sym2IndirectSymMap - A map from symbol (GlobalValue and ExternalSymbol)
+ // addresses to their indirect symbol addresses.
+ DenseMap<void*, intptr_t> Sym2IndirectSymMap;
+
// IsPIC - True if the relocation model is PIC. This is used to determine
// how to codegen function stubs.
bool IsPIC;
///
virtual void replaceMachineCodeForFunction(void *Old, void *New);
- /// emitGlobalValueNonLazyPtr - Use the specified MachineCodeEmitter object
- /// to emit a Mac OS X non-lazy pointer which contains the address of the
- /// specified ptr.
- virtual void *emitGlobalValueNonLazyPtr(const GlobalValue *GV, void *Ptr,
- MachineCodeEmitter &MCE);
+ /// emitGlobalValueIndirectSym - Use the specified JITCodeEmitter object
+ /// to emit an indirect symbol which contains the address of the specified
+ /// ptr.
+ virtual void *emitGlobalValueIndirectSym(const GlobalValue* GV, void *ptr,
+ JITCodeEmitter &JCE);
+
+ // getStubLayout - Returns the size and alignment of the largest call stub
+ // on ARM.
+ virtual StubLayout getStubLayout();
- /// emitFunctionStub - Use the specified MachineCodeEmitter object to emit a
+ /// emitFunctionStub - Use the specified JITCodeEmitter object to emit a
/// small native function that simply calls the function at the specified
/// address.
virtual void *emitFunctionStub(const Function* F, void *Fn,
- MachineCodeEmitter &MCE);
+ JITCodeEmitter &JCE);
/// getLazyResolverFunction - Expose the lazy resolver to the JIT.
virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
/// allocateSeparateGVMemory - If true, globals should be placed in
/// separately allocated heap memory rather than in the same
- /// code memory allocated by MachineCodeEmitter.
+ /// code memory allocated by JITCodeEmitter.
virtual bool allocateSeparateGVMemory() const {
#ifdef __APPLE__
return true;
/// model is PIC.
void Initialize(const MachineFunction &MF, bool isPIC) {
const ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- ConstPoolId2AddrMap.resize(AFI->getNumConstPoolEntries());
+ ConstPoolId2AddrMap.resize(AFI->getNumPICLabels());
JumpTableId2AddrMap.resize(AFI->getNumJumpTables());
IsPIC = isPIC;
}
JumpTableId2AddrMap[JTI] = Addr;
}
- /// getPCLabelAddr - Retrieve the address of the PC label of the specified id.
+ /// getPCLabelAddr - Retrieve the address of the PC label of the
+ /// specified id.
intptr_t getPCLabelAddr(unsigned Id) const {
DenseMap<unsigned, intptr_t>::const_iterator I = PCLabelMap.find(Id);
assert(I != PCLabelMap.end());
PCLabelMap.insert(std::make_pair(Id, Addr));
}
+ /// getIndirectSymAddr - Retrieve the address of the indirect symbol of the
+ /// specified symbol located at address. Returns 0 if the indirect symbol
+ /// has not been emitted.
+ intptr_t getIndirectSymAddr(void *Addr) const {
+ DenseMap<void*,intptr_t>::const_iterator I= Sym2IndirectSymMap.find(Addr);
+ if (I != Sym2IndirectSymMap.end())
+ return I->second;
+ return 0;
+ }
+
+ /// addIndirectSymAddr - Add a mapping from address of an emitted symbol to
+ /// its indirect symbol address.
+ void addIndirectSymAddr(void *SymAddr, intptr_t IndSymAddr) {
+ Sym2IndirectSymMap.insert(std::make_pair(SymAddr, IndSymAddr));
+ }
+
private:
/// resolveRelocDestAddr - Resolve the resulting address of the relocation
/// if it's not already solved. Constantpool entries must be resolved by