Examples with AsmFactory com.oracle.truffle.llvm.asm.amd64.AsmFactory used on opensource projects

Example 1 with AsmFactory

use of com.oracle.truffle.llvm.asm.amd64.AsmFactory in project graal by oracle.

the class BasicNodeFactory method createInlineAssemblerExpression.

@Override
public LLVMExpressionNode createInlineAssemblerExpression(String asmExpression, String asmFlags, LLVMExpressionNode[] args, Type.TypeArrayBuilder argTypes, Type retType) {
    Type[] retTypes = null;
    long[] retOffsets = null;
    if (retType instanceof StructureType) {
        // multiple out values
        StructureType struct = (StructureType) retType;
        retOffsets = new long[struct.getNumberOfElementsInt()];
        retTypes = new Type[struct.getNumberOfElementsInt()];
        long currentOffset = 0;
        try {
            for (int i = 0; i < struct.getNumberOfElements(); i++) {
                Type elemType = struct.getElementType(i);
                if (!struct.isPacked()) {
                    currentOffset = Type.addUnsignedExact(currentOffset, getBytePadding(currentOffset, elemType));
                }
                retOffsets[i] = currentOffset;
                retTypes[i] = elemType;
                currentOffset = Type.addUnsignedExact(currentOffset, getByteSize(elemType));
            }
            assert currentOffset <= getByteSize(retType) : "currentOffset " + currentOffset + " vs. byteSize " + getByteSize(retType);
        } catch (TypeOverflowException e) {
            return Type.handleOverflowExpression(e);
        }
    }
    LLVMInlineAssemblyRootNode assemblyRoot;
    try {
        assemblyRoot = InlineAssemblyParser.parseInlineAssembly(asmExpression, new AsmFactory(language, argTypes, asmFlags, retType, retTypes, retOffsets, this));
    } catch (AsmParseException e) {
        assemblyRoot = getLazyUnsupportedInlineRootNode(asmExpression, e);
    }
    LLVMIRFunction function = new LLVMIRFunction(assemblyRoot.getCallTarget(), null);
    LLVMFunction functionDetail = LLVMFunction.create("<asm>", function, new FunctionType(MetaType.UNKNOWN, 0, false), IDGenerater.INVALID_ID, LLVMSymbol.INVALID_INDEX, false, assemblyRoot.getName(), false);
    // The function descriptor for the inline assembly does not require a language.
    LLVMFunctionDescriptor asm = new LLVMFunctionDescriptor(functionDetail, new LLVMFunctionCode(functionDetail));
    LLVMManagedPointerLiteralNode asmFunction = LLVMManagedPointerLiteralNodeGen.create(LLVMManagedPointer.create(asm));
    return LLVMCallNode.create(new FunctionType(MetaType.UNKNOWN, argTypes, false), asmFunction, args, false);
}