//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "Interpreter.h"
#include "llvm/CodeGen/IntrinsicLowering.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/ModuleProvider.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Module.h"
+#include <cstring>
using namespace llvm;
+namespace {
+
static struct RegisterInterp {
RegisterInterp() { Interpreter::Register(); }
} InterpRegistrator;
-namespace llvm {
- void LinkInInterpreter() {
- }
}
-/// create - Create a new interpreter object. This can never fail.
+extern "C" void LLVMLinkInInterpreter() { }
+
+/// Create a new interpreter object.
///
-ExecutionEngine *Interpreter::create(ModuleProvider *MP) {
- Module *M;
- try {
- M = MP->materializeModule();
- } catch (...) {
- return 0; // error materializing the module.
+ExecutionEngine *Interpreter::create(std::unique_ptr<Module> M,
+ std::string *ErrStr) {
+ // Tell this Module to materialize everything and release the GVMaterializer.
+ if (std::error_code EC = M->materializeAllPermanently()) {
+ if (ErrStr)
+ *ErrStr = EC.message();
+ // We got an error, just return 0
+ return nullptr;
}
-
- // FIXME: This should probably compute the entire data layout
- std::string DataLayout;
- int Test = 0;
- *(char*)&Test = 1; // Return true if the host is little endian
- bool isLittleEndian = (Test == 1);
- DataLayout.append(isLittleEndian ? "e" : "E");
-
- bool Ptr64 = sizeof(void*) == 8;
- DataLayout.append(Ptr64 ? "-p:64:64" : "-p:32:32");
-
- M->setDataLayout(DataLayout);
-
- return new Interpreter(M);
+
+ return new Interpreter(std::move(M));
}
//===----------------------------------------------------------------------===//
// Interpreter ctor - Initialize stuff
//
-Interpreter::Interpreter(Module *M) : ExecutionEngine(M), TD(M) {
-
- memset(&ExitValue, 0, sizeof(ExitValue));
- setTargetData(&TD);
+Interpreter::Interpreter(std::unique_ptr<Module> M)
+ : ExecutionEngine(std::move(M)) {
+
+ memset(&ExitValue.Untyped, 0, sizeof(ExitValue.Untyped));
// Initialize the "backend"
initializeExecutionEngine();
initializeExternalFunctions();
emitGlobals();
- IL = new IntrinsicLowering(TD);
+ IL = new IntrinsicLowering(getDataLayout());
}
Interpreter::~Interpreter() {
void Interpreter::runAtExitHandlers () {
while (!AtExitHandlers.empty()) {
- callFunction(AtExitHandlers.back(), std::vector<GenericValue>());
+ callFunction(AtExitHandlers.back(), None);
AtExitHandlers.pop_back();
run();
}
/// run - Start execution with the specified function and arguments.
///
-GenericValue
-Interpreter::runFunction(Function *F,
- const std::vector<GenericValue> &ArgValues) {
+GenericValue Interpreter::runFunction(Function *F,
+ ArrayRef<GenericValue> ArgValues) {
assert (F && "Function *F was null at entry to run()");
// Try extra hard not to pass extra args to a function that isn't
// parameters than it is declared to take. This does not attempt to
// take into account gratuitous differences in declared types,
// though.
- std::vector<GenericValue> ActualArgs;
- const unsigned ArgCount = F->getFunctionType()->getNumParams();
- for (unsigned i = 0; i < ArgCount; ++i)
- ActualArgs.push_back(ArgValues[i]);
+ const size_t ArgCount = F->getFunctionType()->getNumParams();
+ ArrayRef<GenericValue> ActualArgs =
+ ArgValues.slice(0, std::min(ArgValues.size(), ArgCount));
// Set up the function call.
callFunction(F, ActualArgs);
return ExitValue;
}
-