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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 <cstring>
using namespace llvm;
/*===-- Operations on generic values --------------------------------------===*/
LLVMGenericValueRef LLVMCreateGenericValueOfInt(LLVMTypeRef Ty,
unsigned long long N,
int 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:
assert(0 && "LLVMGenericValueToFloat supports only float and double.");
break;
}
return wrap(GenVal);
}
unsigned LLVMGenericValueIntWidth(LLVMGenericValueRef GenValRef) {
return unwrap(GenValRef)->IntVal.getBitWidth();
}
unsigned long long LLVMGenericValueToInt(LLVMGenericValueRef GenValRef,
int 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:
assert(0 && "LLVMGenericValueToFloat supports only float and double.");
break;
}
return 0; // Not reached
}
void LLVMDisposeGenericValue(LLVMGenericValueRef GenVal) {
delete unwrap(GenVal);
}
/*===-- Operations on execution engines -----------------------------------===*/
int LLVMCreateExecutionEngine(LLVMExecutionEngineRef *OutEE,
LLVMModuleProviderRef MP,
char **OutError) {
std::string Error;
if (ExecutionEngine *EE = ExecutionEngine::create(unwrap(MP), false, &Error)){
*OutEE = wrap(EE);
return 0;
}
*OutError = strdup(Error.c_str());
return 1;
}
int LLVMCreateInterpreter(LLVMExecutionEngineRef *OutInterp,
LLVMModuleProviderRef MP,
char **OutError) {
std::string Error;
if (ExecutionEngine *Interp =
ExecutionEngine::create(unwrap(MP), true, &Error)) {
*OutInterp = wrap(Interp);
return 0;
}
*OutError = strdup(Error.c_str());
return 1;
}
int LLVMCreateJITCompiler(LLVMExecutionEngineRef *OutJIT,
LLVMModuleProviderRef MP,
unsigned OptLevel,
char **OutError) {
std::string Error;
if (ExecutionEngine *JIT =
ExecutionEngine::createJIT(unwrap(MP), &Error, 0,
(CodeGenOpt::Level)OptLevel)) {
*OutJIT = wrap(JIT);
return 0;
}
*OutError = strdup(Error.c_str());
return 1;
}
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 LLVMAddModuleProvider(LLVMExecutionEngineRef EE, LLVMModuleProviderRef MP){
unwrap(EE)->addModuleProvider(unwrap(MP));
}
int LLVMRemoveModuleProvider(LLVMExecutionEngineRef EE,
LLVMModuleProviderRef MP,
LLVMModuleRef *OutMod, char **OutError) {
std::string Error;
if (Module *Gone = unwrap(EE)->removeModuleProvider(unwrap(MP), &Error)) {
*OutMod = wrap(Gone);
return 0;
}
if (OutError)
*OutError = strdup(Error.c_str());
return 1;
}
int LLVMFindFunction(LLVMExecutionEngineRef EE, const char *Name,
LLVMValueRef *OutFn) {
if (Function *F = unwrap(EE)->FindFunctionNamed(Name)) {
*OutFn = wrap(F);
return 0;
}
return 1;
}
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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