Examples with DataSectionReference jdk.vm.ci.code.site.DataSectionReference used on opensource projects

Example 1 with DataSectionReference

use of jdk.vm.ci.code.site.DataSectionReference in project graal by oracle.

the class SimpleAssemblerTest method doubleTest.

@Test
public void doubleTest() {
    CodeGenTest test = new CodeGenTest() {

        @Override
        public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) {
            AMD64MacroAssembler asm = new AMD64MacroAssembler(target);
            Register ret = registerConfig.getReturnRegister(JavaKind.Double);
            Data data = new SerializableData(JavaConstant.forDouble(84.72), 8);
            DataSectionReference ref = compResult.getDataSection().insertData(data);
            compResult.recordDataPatch(asm.position(), ref);
            asm.movdbl(ret, asm.getPlaceholder(-1));
            asm.ret(0);
            return asm.close(true);
        }
    };
    assertReturn("doubleStub", test, 84.72);
}

Example 2 with DataSectionReference

use of jdk.vm.ci.code.site.DataSectionReference in project graal by oracle.

the class SimpleAssemblerTest method rawDoubleTest.

@Test
public void rawDoubleTest() {
    CodeGenTest test = new CodeGenTest() {

        @Override
        public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) {
            AMD64MacroAssembler asm = new AMD64MacroAssembler(target);
            Register ret = registerConfig.getReturnRegister(JavaKind.Double);
            byte[] rawBytes = new byte[8];
            ByteBuffer.wrap(rawBytes).order(ByteOrder.nativeOrder()).putDouble(84.72);
            Data data = new RawData(rawBytes, 8);
            DataSectionReference ref = compResult.getDataSection().insertData(data);
            compResult.recordDataPatch(asm.position(), ref);
            asm.movdbl(ret, asm.getPlaceholder(-1));
            asm.ret(0);
            return asm.close(true);
        }
    };
    assertReturn("doubleStub", test, 84.72);
}

Example 3 with DataSectionReference

use of jdk.vm.ci.code.site.DataSectionReference in project graal by oracle.

the class InstalledCodeBuilder method patchData.

private void patchData(AMD64InstructionPatcher patcher) {
    for (DataPatch dataPatch : compilation.getDataPatches()) {
        DataSectionReference ref = (DataSectionReference) dataPatch.reference;
        int pcDisplacement = constantsOffset + ref.getOffset() - dataPatch.pcOffset;
        patcher.findPatchData(dataPatch.pcOffset, pcDisplacement).apply(compiledBytes);
    }
}

Example 4 with DataSectionReference

use of jdk.vm.ci.code.site.DataSectionReference in project graal by oracle.

the class DataSection method insertData.

/**
 * Inserts a {@link Data} item into the data section. If the item is already in the data
 * section, the same {@link DataSectionReference} is returned.
 *
 * @param data the {@link Data} item to be inserted
 * @return a unique {@link DataSectionReference} identifying the {@link Data} item
 */
public DataSectionReference insertData(Data data) {
    checkOpen();
    synchronized (data) {
        if (data.ref == null) {
            data.ref = new DataSectionReference();
            dataItems.add(data);
        }
        return data.ref;
    }
}

Example 5 with DataSectionReference

use of jdk.vm.ci.code.site.DataSectionReference in project graal by oracle.

the class CompilationResultBuilder method recordDataSectionReference.

public AbstractAddress recordDataSectionReference(Data data) {
    assert data != null;
    DataSectionReference reference = compilationResult.getDataSection().insertData(data);
    int instructionStart = asm.position();
    compilationResult.recordDataPatch(instructionStart, reference);
    return asm.getPlaceholder(instructionStart);
}