public static LLVMResolvedDirectNativeCallNode getResolvedNativeCall(
LLVMFunction function, NativeFunctionHandle nativeHandle, LLVMExpressionNode[] args) {
if (function.getLlvmReturnType() == LLVMRuntimeType.ADDRESS
|| function.getLlvmReturnType() == LLVMRuntimeType.STRUCT) {
return new LLVMResolvedNativeAddressCallNode(function, nativeHandle, args);
} else if (function.getLlvmReturnType() == LLVMRuntimeType.X86_FP80) {
return new LLVMResolvedNative80BitFloatCallNode(function, nativeHandle, args);
} else {
return new LLVMResolvedDirectNativeCallNode(function, nativeHandle, args);
}
}
@Override
public Object executeGeneric(VirtualFrame frame) {
CompilerDirectives.transferToInterpreter();
if (functionNode instanceof LLVMFunctionLiteralNode) {
LLVMFunction function = functionNode.executeFunction(frame);
CallTarget callTarget = context.getFunction(function);
if (callTarget == null) {
NativeFunctionHandle nativeHandle = context.getNativeHandle(function, args);
if (nativeHandle == null) {
throw new IllegalStateException("could not find function " + function.getName());
}
return replace(getResolvedNativeCall(function, nativeHandle, args)).executeGeneric(frame);
} else {
return replace(new LLVMResolvedDirectCallNode(callTarget, args)).executeGeneric(frame);
}
} else {
LLVMFunctionCallChain rootNode = LLVMFunctionCallChainNodeGen.create(context, args);
return replace(new LLVMFunctionCallChainStartNode(functionNode, rootNode, args))
.executeGeneric(frame);
}
}
public static CallTarget getIndirectCallTarget(
LLVMContext context, LLVMFunction function, LLVMExpressionNode[] args) {
CallTarget callTarget = context.getFunction(function);
if (callTarget == null) {
final NativeFunctionHandle nativeHandle = context.getNativeHandle(function, args);
if (nativeHandle == null) {
throw new IllegalStateException("could not find function " + function.getName());
} else {
return Truffle.getRuntime()
.createCallTarget(
new RootNode(LLVMLanguage.class, null, null) {
@Override
public Object execute(VirtualFrame frame) {
return nativeHandle.call(frame.getArguments());
}
});
}
} else {
return callTarget;
}
}