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//===-- ExecutionEngineBindings.cpp - C bindings for EEs ------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the C bindings for the ExecutionEngine library.
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "jit"
#include "llvm-c/ExecutionEngine.h"
#include "llvm/ExecutionEngine/GenericValue.h"
#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "llvm/Support/ErrorHandling.h"
#include <cstring>
using namespace llvm;
/*===-- Operations on generic values --------------------------------------===*/
LLVMGenericValueRef LLVMCreateGenericValueOfInt(LLVMTypeRef Ty,
unsigned long long N,
LLVMBool IsSigned) {
GenericValue *GenVal = new GenericValue();
GenVal->IntVal = APInt(unwrap<IntegerType>(Ty)->getBitWidth(), N, IsSigned);
return wrap(GenVal);
}
LLVMGenericValueRef LLVMCreateGenericValueOfPointer(void *P) {
GenericValue *GenVal = new GenericValue();
GenVal->PointerVal = P;
return wrap(GenVal);
}
LLVMGenericValueRef LLVMCreateGenericValueOfFloat(LLVMTypeRef TyRef, double N) {
GenericValue *GenVal = new GenericValue();
switch (unwrap(TyRef)->getTypeID()) {
case Type::FloatTyID:
GenVal->FloatVal = N;
break;
case Type::DoubleTyID:
GenVal->DoubleVal = N;
break;
default:
llvm_unreachable("LLVMGenericValueToFloat supports only float and double.");
}
return wrap(GenVal);
}
unsigned LLVMGenericValueIntWidth(LLVMGenericValueRef GenValRef) {
return unwrap(GenValRef)->IntVal.getBitWidth();
}
unsigned long long LLVMGenericValueToInt(LLVMGenericValueRef GenValRef,
LLVMBool IsSigned) {
GenericValue *GenVal = unwrap(GenValRef);
if (IsSigned)
return GenVal->IntVal.getSExtValue();
else
return GenVal->IntVal.getZExtValue();
}
void *LLVMGenericValueToPointer(LLVMGenericValueRef GenVal) {
return unwrap(GenVal)->PointerVal;
}
double LLVMGenericValueToFloat(LLVMTypeRef TyRef, LLVMGenericValueRef GenVal) {
switch (unwrap(TyRef)->getTypeID()) {
case Type::FloatTyID:
return unwrap(GenVal)->FloatVal;
case Type::DoubleTyID:
return unwrap(GenVal)->DoubleVal;
default:
llvm_unreachable("LLVMGenericValueToFloat supports only float and double.");
}
}
void LLVMDisposeGenericValue(LLVMGenericValueRef GenVal) {
delete unwrap(GenVal);
}
/*===-- Operations on execution engines -----------------------------------===*/
LLVMBool LLVMCreateExecutionEngineForModule(LLVMExecutionEngineRef *OutEE,
LLVMModuleRef M,
char **OutError) {
std::string Error;
EngineBuilder builder(unwrap(M));
builder.setEngineKind(EngineKind::Either)
.setErrorStr(&Error);
if (ExecutionEngine *EE = builder.create()){
*OutEE = wrap(EE);
return 0;
}
*OutError = strdup(Error.c_str());
return 1;
}
LLVMBool LLVMCreateInterpreterForModule(LLVMExecutionEngineRef *OutInterp,
LLVMModuleRef M,
char **OutError) {
std::string Error;
EngineBuilder builder(unwrap(M));
builder.setEngineKind(EngineKind::Interpreter)
.setErrorStr(&Error);
if (ExecutionEngine *Interp = builder.create()) {
*OutInterp = wrap(Interp);
return 0;
}
*OutError = strdup(Error.c_str());
return 1;
}
LLVMBool LLVMCreateJITCompilerForModule(LLVMExecutionEngineRef *OutJIT,
LLVMModuleRef M,
unsigned OptLevel,
char **OutError) {
std::string Error;
EngineBuilder builder(unwrap(M));
builder.setEngineKind(EngineKind::JIT)
.setErrorStr(&Error)
.setOptLevel((CodeGenOpt::Level)OptLevel);
if (ExecutionEngine *JIT = builder.create()) {
*OutJIT = wrap(JIT);
return 0;
}
*OutError = strdup(Error.c_str());
return 1;
}
LLVMBool LLVMCreateExecutionEngine(LLVMExecutionEngineRef *OutEE,
LLVMModuleProviderRef MP,
char **OutError) {
/* The module provider is now actually a module. */
return LLVMCreateExecutionEngineForModule(OutEE,
reinterpret_cast<LLVMModuleRef>(MP),
OutError);
}
LLVMBool LLVMCreateInterpreter(LLVMExecutionEngineRef *OutInterp,
LLVMModuleProviderRef MP,
char **OutError) {
/* The module provider is now actually a module. */
return LLVMCreateInterpreterForModule(OutInterp,
reinterpret_cast<LLVMModuleRef>(MP),
OutError);
}
LLVMBool LLVMCreateJITCompiler(LLVMExecutionEngineRef *OutJIT,
LLVMModuleProviderRef MP,
unsigned OptLevel,
char **OutError) {
/* The module provider is now actually a module. */
return LLVMCreateJITCompilerForModule(OutJIT,
reinterpret_cast<LLVMModuleRef>(MP),
OptLevel, OutError);
}
void LLVMDisposeExecutionEngine(LLVMExecutionEngineRef EE) {
delete unwrap(EE);
}
void LLVMRunStaticConstructors(LLVMExecutionEngineRef EE) {
unwrap(EE)->runStaticConstructorsDestructors(false);
}
void LLVMRunStaticDestructors(LLVMExecutionEngineRef EE) {
unwrap(EE)->runStaticConstructorsDestructors(true);
}
int LLVMRunFunctionAsMain(LLVMExecutionEngineRef EE, LLVMValueRef F,
unsigned ArgC, const char * const *ArgV,
const char * const *EnvP) {
std::vector<std::string> ArgVec;
for (unsigned I = 0; I != ArgC; ++I)
ArgVec.push_back(ArgV[I]);
return unwrap(EE)->runFunctionAsMain(unwrap<Function>(F), ArgVec, EnvP);
}
LLVMGenericValueRef LLVMRunFunction(LLVMExecutionEngineRef EE, LLVMValueRef F,
unsigned NumArgs,
LLVMGenericValueRef *Args) {
std::vector<GenericValue> ArgVec;
ArgVec.reserve(NumArgs);
for (unsigned I = 0; I != NumArgs; ++I)
ArgVec.push_back(*unwrap(Args[I]));
GenericValue *Result = new GenericValue();
*Result = unwrap(EE)->runFunction(unwrap<Function>(F), ArgVec);
return wrap(Result);
}
void LLVMFreeMachineCodeForFunction(LLVMExecutionEngineRef EE, LLVMValueRef F) {
unwrap(EE)->freeMachineCodeForFunction(unwrap<Function>(F));
}
void LLVMAddModule(LLVMExecutionEngineRef EE, LLVMModuleRef M){
unwrap(EE)->addModule(unwrap(M));
}
void LLVMAddModuleProvider(LLVMExecutionEngineRef EE, LLVMModuleProviderRef MP){
/* The module provider is now actually a module. */
LLVMAddModule(EE, reinterpret_cast<LLVMModuleRef>(MP));
}
LLVMBool LLVMRemoveModule(LLVMExecutionEngineRef EE, LLVMModuleRef M,
LLVMModuleRef *OutMod, char **OutError) {
Module *Mod = unwrap(M);
unwrap(EE)->removeModule(Mod);
*OutMod = wrap(Mod);
return 0;
}
LLVMBool LLVMRemoveModuleProvider(LLVMExecutionEngineRef EE,
LLVMModuleProviderRef MP,
LLVMModuleRef *OutMod, char **OutError) {
/* The module provider is now actually a module. */
return LLVMRemoveModule(EE, reinterpret_cast<LLVMModuleRef>(MP), OutMod,
OutError);
}
LLVMBool LLVMFindFunction(LLVMExecutionEngineRef EE, const char *Name,
LLVMValueRef *OutFn) {
if (Function *F = unwrap(EE)->FindFunctionNamed(Name)) {
*OutFn = wrap(F);
return 0;
}
return 1;
}
void *LLVMRecompileAndRelinkFunction(LLVMExecutionEngineRef EE, LLVMValueRef Fn) {
return unwrap(EE)->recompileAndRelinkFunction(unwrap<Function>(Fn));
}
LLVMTargetDataRef LLVMGetExecutionEngineTargetData(LLVMExecutionEngineRef EE) {
return wrap(unwrap(EE)->getTargetData());
}
void LLVMAddGlobalMapping(LLVMExecutionEngineRef EE, LLVMValueRef Global,
void* Addr) {
unwrap(EE)->addGlobalMapping(unwrap<GlobalValue>(Global), Addr);
}
void *LLVMGetPointerToGlobal(LLVMExecutionEngineRef EE, LLVMValueRef Global) {
return unwrap(EE)->getPointerToGlobal(unwrap<GlobalValue>(Global));
}
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