//
// This utility provides a simple wrapper around the LLVM Execution Engines,
// which allow the direct execution of LLVM programs through a Just-In-Time
-// compiler, or through an intepreter if no JIT is available for this platform.
+// compiler, or through an interpreter if no JIT is available for this platform.
//
//===----------------------------------------------------------------------===//
+#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
#include "llvm/ModuleProvider.h"
#include "llvm/Type.h"
#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm/CodeGen/LinkAllCodegenComponents.h"
-#include "llvm/ExecutionEngine/JIT.h"
-#include "llvm/ExecutionEngine/Interpreter.h"
#include "llvm/ExecutionEngine/GenericValue.h"
+#include "llvm/ExecutionEngine/Interpreter.h"
+#include "llvm/ExecutionEngine/JIT.h"
+#include "llvm/ExecutionEngine/JITEventListener.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/System/Process.h"
#include "llvm/System/Signals.h"
-#include "llvm/Config/config.h"
+#include "llvm/Target/TargetSelect.h"
#include <iostream>
#include <cerrno>
using namespace llvm;
llvm_shutdown();
}
-#ifdef LLVM_NATIVE_ARCH
-namespace llvm {
-#define Declare2(TARG, MOD) void Initialize ## TARG ## MOD()
-#define Declare(T, M) Declare2(T, M)
- Declare(LLVM_NATIVE_ARCH, Target);
-#undef Declare
-#undef Declare2
-}
-#endif
-
//===----------------------------------------------------------------------===//
// main Driver function
//
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
+ LLVMContext Context;
atexit(do_shutdown); // Call llvm_shutdown() on exit.
cl::ParseCommandLineOptions(argc, argv,
"llvm interpreter & dynamic compiler\n");
// Load the bitcode...
std::string ErrorMsg;
ModuleProvider *MP = NULL;
- if (MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFile,&ErrorMsg)) {
- MP = getBitcodeModuleProvider(Buffer, &ErrorMsg);
+ if (MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFile,&ErrorMsg)){
+ MP = getBitcodeModuleProvider(Buffer, Context, &ErrorMsg);
if (!MP) delete Buffer;
}
if (!MP) {
- std::cerr << argv[0] << ": error loading program '" << InputFile << "': "
- << ErrorMsg << "\n";
+ errs() << argv[0] << ": error loading program '" << InputFile << "': "
+ << ErrorMsg << "\n";
exit(1);
}
Module *Mod = NoLazyCompilation
? MP->materializeModule(&ErrorMsg) : MP->getModule();
if (!Mod) {
- std::cerr << argv[0] << ": bitcode didn't read correctly.\n";
- std::cerr << "Reason: " << ErrorMsg << "\n";
+ errs() << argv[0] << ": bitcode didn't read correctly.\n";
+ errs() << "Reason: " << ErrorMsg << "\n";
exit(1);
}
CodeGenOpt::Level OLvl = CodeGenOpt::Default;
switch (OptLevel) {
default:
- std::cerr << argv[0] << ": invalid optimization level.\n";
+ errs() << argv[0] << ": invalid optimization level.\n";
return 1;
case ' ': break;
case '0': OLvl = CodeGenOpt::None; break;
case '3': OLvl = CodeGenOpt::Aggressive; break;
}
- // If we have a native target, initialize it to ensure it is linked in.
-#ifdef LLVM_NATIVE_ARCH
-#define DoInit2(TARG, MOD) llvm::Initialize ## TARG ## MOD()
-#define DoInit(T, M) DoInit2(T, M)
- DoInit(LLVM_NATIVE_ARCH, Target);
-#undef DoInit
-#undef DoInit2
-#endif
-
+ // If we have a native target, initialize it to ensure it is linked in and
+ // usable by the JIT.
+ InitializeNativeTarget();
EE = ExecutionEngine::create(MP, ForceInterpreter, &ErrorMsg, OLvl);
- if (!EE && !ErrorMsg.empty()) {
- std::cerr << argv[0] << ":error creating EE: " << ErrorMsg << "\n";
+ if (!EE) {
+ if (!ErrorMsg.empty())
+ errs() << argv[0] << ": error creating EE: " << ErrorMsg << "\n";
+ else
+ errs() << argv[0] << ": unknown error creating EE!\n";
exit(1);
}
+ EE->RegisterJITEventListener(createMacOSJITEventListener());
+ EE->RegisterJITEventListener(createOProfileJITEventListener());
+
if (NoLazyCompilation)
EE->DisableLazyCompilation();
//
Function *EntryFn = Mod->getFunction(EntryFunc);
if (!EntryFn) {
- std::cerr << '\'' << EntryFunc << "\' function not found in module.\n";
+ errs() << '\'' << EntryFunc << "\' function not found in module.\n";
return -1;
}
ResultGV.IntVal = APInt(32, Result);
Args.push_back(ResultGV);
EE->runFunction(ExitF, Args);
- std::cerr << "ERROR: exit(" << Result << ") returned!\n";
+ errs() << "ERROR: exit(" << Result << ") returned!\n";
abort();
} else {
- std::cerr << "ERROR: exit defined with wrong prototype!\n";
+ errs() << "ERROR: exit defined with wrong prototype!\n";
abort();
}
}