| //===- X86JITInfo.h - X86 implementation of the JIT interface --*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by the LLVM research group and is distributed under |
| // the University of Illinois Open Source License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file contains the X86 implementation of the TargetJITInfo class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef X86JITINFO_H |
| #define X86JITINFO_H |
| |
| #include "llvm/Target/TargetJITInfo.h" |
| |
| namespace llvm { |
| class X86TargetMachine; |
| class IntrinsicLowering; |
| |
| class X86JITInfo : public TargetJITInfo { |
| X86TargetMachine &TM; |
| public: |
| X86JITInfo(X86TargetMachine &tm) : TM(tm) {useGOT = 0;} |
| |
| /// addPassesToJITCompile - Add passes to the specified pass manager to |
| /// implement a fast dynamic compiler for this target. Return true if this |
| /// is not supported for this target. |
| /// |
| virtual void addPassesToJITCompile(FunctionPassManager &PM); |
| |
| /// replaceMachineCodeForFunction - Make it so that calling the function |
| /// whose machine code is at OLD turns into a call to NEW, perhaps by |
| /// overwriting OLD with a branch to NEW. This is used for self-modifying |
| /// code. |
| /// |
| virtual void replaceMachineCodeForFunction(void *Old, void *New); |
| |
| /// emitFunctionStub - Use the specified MachineCodeEmitter object to emit a |
| /// small native function that simply calls the function at the specified |
| /// address. |
| virtual void *emitFunctionStub(void *Fn, MachineCodeEmitter &MCE); |
| |
| /// getLazyResolverFunction - Expose the lazy resolver to the JIT. |
| virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn); |
| |
| /// relocate - Before the JIT can run a block of code that has been emitted, |
| /// it must rewrite the code to contain the actual addresses of any |
| /// referenced global symbols. |
| virtual void relocate(void *Function, MachineRelocation *MR, |
| unsigned NumRelocs, unsigned char* GOTBase); |
| }; |
| } |
| |
| #endif |