mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
9ea47179e6
The OptLevel is now redundant with the TargetMachine*. And selectTarget() isn't really JIT-specific and could probably get refactored into one of the lower level libraries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146355 91177308-0d34-0410-b5e6-96231b3b80d8
90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
//===-- MCJIT.h - Class definition for the MCJIT ----------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_EXECUTIONENGINE_MCJIT_H
|
|
#define LLVM_LIB_EXECUTIONENGINE_MCJIT_H
|
|
|
|
#include "llvm/PassManager.h"
|
|
#include "llvm/ExecutionEngine/ExecutionEngine.h"
|
|
#include "llvm/ExecutionEngine/RuntimeDyld.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
|
|
namespace llvm {
|
|
|
|
// FIXME: This makes all kinds of horrible assumptions for the time being,
|
|
// like only having one module, not needing to worry about multi-threading,
|
|
// blah blah. Purely in get-it-up-and-limping mode for now.
|
|
|
|
class MCJIT : public ExecutionEngine {
|
|
MCJIT(Module *M, TargetMachine *tm, TargetJITInfo &tji,
|
|
RTDyldMemoryManager *MemMgr, bool AllocateGVsWithCode);
|
|
|
|
TargetMachine *TM;
|
|
MCContext *Ctx;
|
|
RTDyldMemoryManager *MemMgr;
|
|
|
|
// FIXME: These may need moved to a separate 'jitstate' member like the
|
|
// non-MC JIT does for multithreading and such. Just keep them here for now.
|
|
PassManager PM;
|
|
Module *M;
|
|
// FIXME: This really doesn't belong here.
|
|
SmallVector<char, 4096> Buffer; // Working buffer into which we JIT.
|
|
raw_svector_ostream OS;
|
|
|
|
RuntimeDyld Dyld;
|
|
|
|
public:
|
|
~MCJIT();
|
|
|
|
/// @name ExecutionEngine interface implementation
|
|
/// @{
|
|
|
|
virtual void *getPointerToBasicBlock(BasicBlock *BB);
|
|
|
|
virtual void *getPointerToFunction(Function *F);
|
|
|
|
virtual void *recompileAndRelinkFunction(Function *F);
|
|
|
|
virtual void freeMachineCodeForFunction(Function *F);
|
|
|
|
virtual GenericValue runFunction(Function *F,
|
|
const std::vector<GenericValue> &ArgValues);
|
|
|
|
/// getPointerToNamedFunction - This method returns the address of the
|
|
/// specified function by using the dlsym function call. As such it is only
|
|
/// useful for resolving library symbols, not code generated symbols.
|
|
///
|
|
/// If AbortOnFailure is false and no function with the given name is
|
|
/// found, this function silently returns a null pointer. Otherwise,
|
|
/// it prints a message to stderr and aborts.
|
|
///
|
|
void *getPointerToNamedFunction(const std::string &Name,
|
|
bool AbortOnFailure = true);
|
|
/// @}
|
|
/// @name (Private) Registration Interfaces
|
|
/// @{
|
|
|
|
static void Register() {
|
|
MCJITCtor = createJIT;
|
|
}
|
|
|
|
static ExecutionEngine *createJIT(Module *M,
|
|
std::string *ErrorStr,
|
|
JITMemoryManager *JMM,
|
|
bool GVsWithCode,
|
|
TargetMachine *TM);
|
|
|
|
// @}
|
|
};
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|