namespace llvm {
class Function;
class GlobalValue;
- class MachineBasicBlock;
- class MachineCodeEmitter;
+ class JITCodeEmitter;
class MachineRelocation;
/// TargetJITInfo - Target specific information required by the Just-In-Time
///
virtual void replaceMachineCodeForFunction(void *Old, void *New) = 0;
- /// emitGlobalValueLazyPtr - Use the specified MachineCodeEmitter object to
- /// emit a lazy pointer which contains the address of the specified ptr.
- virtual void *emitGlobalValueLazyPtr(const GlobalValue* GV, void *ptr,
- MachineCodeEmitter &MCE) {
- assert(0 && "This target doesn't implement emitGlobalValueLazyPtr!");
+ /// 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) {
+ assert(0 && "This target doesn't implement emitGlobalValueIndirectSym!");
return 0;
}
- /// 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. Return the address of the resultant function.
virtual void *emitFunctionStub(const Function* F, void *Fn,
- MachineCodeEmitter &MCE) {
+ JITCodeEmitter &JCE) {
assert(0 && "This target doesn't implement emitFunctionStub!");
return 0;
}
+
+ /// emitFunctionStubAtAddr - Use the specified JITCodeEmitter object to
+ /// emit a small native function that simply calls Fn. Emit the stub into
+ /// the supplied buffer.
+ virtual void emitFunctionStubAtAddr(const Function* F, void *Fn,
+ void *Buffer, JITCodeEmitter &JCE) {
+ assert(0 && "This target doesn't implement emitFunctionStubAtAddr!");
+ }
/// getPICJumpTableEntry - Returns the value of the jumptable entry for the
/// specific basic block.
- virtual intptr_t getPICJumpTableEntry(intptr_t BB, intptr_t JTBase) {
+ virtual uintptr_t getPICJumpTableEntry(uintptr_t BB, uintptr_t JTBase) {
assert(0 && "This target doesn't implement getPICJumpTableEntry!");
return 0;
}
}
/// needsGOT - Allows a target to specify that it would like the
- // JIT to manage a GOT for it.
+ /// JIT to manage a GOT for it.
bool needsGOT() const { return useGOT; }
/// hasCustomConstantPool - Allows a target to specify that constant
/// pool address resolution is handled by the target.
virtual bool hasCustomConstantPool() const { return false; }
- /// getCustomConstantPoolEntryAddress - When using a custom constant
- /// pool, resolve a constant pool index to the address of where the
- /// entry is stored.
- virtual intptr_t getCustomConstantPoolEntryAddress(unsigned CPI) const
- {return 0;}
+ /// hasCustomJumpTables - Allows a target to specify that jumptables
+ /// are emitted by the target.
+ virtual bool hasCustomJumpTables() const { return false; }
+
+ /// allocateSeparateGVMemory - If true, globals should be placed in
+ /// separately allocated heap memory rather than in the same
+ /// code memory allocated by JITCodeEmitter.
+ virtual bool allocateSeparateGVMemory() const { return false; }
protected:
bool useGOT;
};