X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FSparcV9%2FSparcV9JITInfo.h;h=09544d9d9d457aaf946bfd580750ba7749362b69;hb=770e991bc4b8c0249325056aadf2af3b9da9ff5f;hp=b667c5599e4ec7d2a1d17fa756030daa3b8a578a;hpb=f70e0c216c074bd2ae2b08178f5512849545db4e;p=oota-llvm.git diff --git a/lib/Target/SparcV9/SparcV9JITInfo.h b/lib/Target/SparcV9/SparcV9JITInfo.h index b667c5599e4..09544d9d9d4 100644 --- a/lib/Target/SparcV9/SparcV9JITInfo.h +++ b/lib/Target/SparcV9/SparcV9JITInfo.h @@ -1,47 +1,61 @@ -//===- SparcJITInfo.h - Sparc implementation of the JIT interface -*-C++-*-===// -// +//===- SparcV9JITInfo.h - SparcV9 Target 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 Sparc implementation of the TargetJITInfo class. +// This file contains the SparcV9 implementation of the TargetJITInfo class, +// which makes target-specific hooks available to the target-independent +// LLVM JIT compiler. // //===----------------------------------------------------------------------===// -#ifndef SPARCJITINFO_H -#define SPARCJITINFO_H +#ifndef SPARCV9JITINFO_H +#define SPARCV9JITINFO_H #include "llvm/Target/TargetJITInfo.h" namespace llvm { class TargetMachine; - class SparcJITInfo : public TargetJITInfo { + class SparcV9JITInfo : public TargetJITInfo { TargetMachine &TM; public: - SparcJITInfo(TargetMachine &tm) : TM(tm) {} + SparcV9JITInfo(TargetMachine &tm) : TM(tm) {} /// 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); - - /// getJITStubForFunction - Create or return a stub for the specified - /// function. This stub acts just like the specified function, except that - /// it allows the "address" of the function to be taken without having to - /// generate code for it. - //virtual void *getJITStubForFunction(Function *F, MachineCodeEmitter &MCE); + + + /// emitFunctionStub - Use the specified MachineCodeEmitter 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(void *Fn, MachineCodeEmitter &MCE); + + /// getLazyResolverFunction - This method is used to initialize the JIT, + /// giving the target the function that should be used to compile a + /// function, and giving the JIT the target function used to do the lazy + /// resolving. + 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); }; }