1 //===- AlphaJITInfo.h - Alpha impl. of the JIT interface ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the Alpha implementation of the TargetJITInfo class.
12 //===----------------------------------------------------------------------===//
14 #ifndef ALPHA_JITINFO_H
15 #define ALPHA_JITINFO_H
17 #include "llvm/Target/TargetJITInfo.h"
23 class AlphaJITInfo : public TargetJITInfo {
27 //because gpdist are paired and relative to the pc of the first inst,
28 //we need to have some state
29 std::map<std::pair<void*, int>, void*> gpdistmap;
31 explicit AlphaJITInfo(TargetMachine &tm) : TM(tm)
34 virtual void *emitFunctionStub(const Function* F, void *Fn,
36 virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
37 virtual void relocate(void *Function, MachineRelocation *MR,
38 unsigned NumRelocs, unsigned char* GOTBase);
40 /// replaceMachineCodeForFunction - Make it so that calling the function
41 /// whose machine code is at OLD turns into a call to NEW, perhaps by
42 /// overwriting OLD with a branch to NEW. This is used for self-modifying
45 virtual void replaceMachineCodeForFunction(void *Old, void *New);
47 static const unsigned GOToffset = 4096;