Package org.jnode.vm.classmgr

Examples of org.jnode.vm.classmgr.VmInstanceField

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        final VmField field = fieldRef.getResolvedVmField();
        if (field.isStatic()) {
            throw new IncompatibleClassChangeError(
                "getfield called on static field " + fieldRef.getName());
        }
        final VmInstanceField inf = (VmInstanceField) field;
        final int fieldOffset = inf.getOffset();
        final int type = JvmType.SignatureToType(fieldRef.getSignature());
        final boolean isfloat = JvmType.isFloat(type);

        // Pop & load
        final RefItem ref = vstack.popRef();
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        final VmField field = fieldRef.getResolvedVmField();
        if (field.isStatic()) {
            throw new IncompatibleClassChangeError(
                "getfield called on static field " + fieldRef.getName());
        }
        final VmInstanceField inf = (VmInstanceField) field;
        final int offset = inf.getOffset();
        final boolean wide = fieldRef.isWide();

        // Get operands
        final Item val = vstack.pop();
        assertCondition(val.getCategory() == ((wide) ? 2 : 1),
            "category mismatch");
        final RefItem ref = vstack.popRef();

        // Load value & ref
        val.load(eContext);
        ref.load(eContext);
        final GPR refr = ref.getRegister();

        if (!wide) {
            final WordItem wval = (WordItem) val;
            final GPR valr = wval.getRegister();
            final char fieldType = field.getSignature().charAt(0);

            // Store field
            switch (fieldType) {
                case 'Z': // boolean
                case 'B': // byte
                    wval.loadToBITS8GPR(eContext);
                    os.writeMOV(BITS8, refr, offset, wval.getRegister());
                    break;
                case 'C': // char
                case 'S': // short
                    os.writeMOV(BITS16, refr, offset, valr);
                    break;
                case 'F': // float
                case 'I': // int
                case 'L': // Object
                case '[': // array
                    os.writeMOV(valr.getSize(), refr, offset, valr);
                    break;
                default:
                    throw new IllegalArgumentException("Unknown fieldType: " + fieldType);
            }
            // Writebarrier
            if (!inf.isPrimitive() && helper.needsWriteBarrier()) {
                final GPR tmp = (GPR) L1AHelper.requestRegister(eContext,
                    JvmType.REFERENCE, false);
                helper.writePutfieldWriteBarrier(inf, refr, valr, tmp);
                L1AHelper.releaseRegister(eContext, tmp);
            }
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        final VmField field = fieldRef.getResolvedVmField();
        if (field.isStatic()) {
            throw new IncompatibleClassChangeError(
                "getfield called on static field " + fieldRef.getName());
        }
        final VmInstanceField inf = (VmInstanceField) field;
        final int fieldOffset = inf.getOffset();
        final int type = JvmType.SignatureToType(fieldRef.getSignature());
        final boolean isfloat = JvmType.isFloat(type);

        // Pop & load
        final RefItem ref = vstack.popRef();
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        final VmField field = fieldRef.getResolvedVmField();
        if (field.isStatic()) {
            throw new IncompatibleClassChangeError(
                "getfield called on static field " + fieldRef.getName());
        }
        final VmInstanceField inf = (VmInstanceField) field;
        final int offset = inf.getOffset();
        final boolean wide = fieldRef.isWide();

        // Get operands
        final Item val = vstack.pop();
        assertCondition(val.getCategory() == ((wide) ? 2 : 1),
            "category mismatch");
        final RefItem ref = vstack.popRef();

        // Load value & ref
        val.load(eContext);
        ref.load(eContext);
        final GPR refr = ref.getRegister();

        if (!wide) {
            final WordItem wval = (WordItem) val;
            final GPR valr = wval.getRegister();
            final char fieldType = field.getSignature().charAt(0);

            // Store field
            switch (fieldType) {
                case 'Z': // boolean
                case 'B': // byte
                    wval.loadToBITS8GPR(eContext);
                    os.writeMOV(BITS8, refr, offset, wval.getRegister());
                    break;
                case 'C': // char
                case 'S': // short
                    os.writeMOV(BITS16, refr, offset, valr);
                    break;
                case 'F': // float
                case 'I': // int
                case 'L': // Object
                case '[': // array
                    os.writeMOV(valr.getSize(), refr, offset, valr);
                    break;
                default:
                    throw new IllegalArgumentException("Unknown fieldType: " + fieldType);
            }
            // Writebarrier
            if (!inf.isPrimitive() && helper.needsWriteBarrier()) {
                final GPR tmp = (GPR) L1AHelper.requestRegister(eContext,
                    JvmType.REFERENCE, false);
                helper.writePutfieldWriteBarrier(inf, refr, valr, tmp);
                L1AHelper.releaseRegister(eContext, tmp);
            }
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                    obj = VmUtils.getVm().getSharedStatics().getStringEntry(cs.getSharedStaticsIndex());
                }
            }
            return obj;
        } else {
            final VmInstanceField inf = (VmInstanceField) field;
            return getInstanceFieldAddress(o, inf).loadObjectReference().toObject();
        }
    }
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        if (field.isStatic()) {
            final VmStaticField sf = (VmStaticField) field;
            initialize(sf);
            return (getStaticFieldAddress(sf).loadInt() != 0);
        } else {
            final VmInstanceField inf = (VmInstanceField) field;
            return (getInstanceFieldAddress(o, inf).loadByte() != 0);
        }
    }
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        if (field.isStatic()) {
            final VmStaticField sf = (VmStaticField) field;
            initialize(sf);
            return (byte) getStaticFieldAddress(sf).loadInt();
        } else {
            final VmInstanceField inf = (VmInstanceField) field;
            return getInstanceFieldAddress(o, inf).loadByte();
        }
    }
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        if (field.isStatic()) {
            final VmStaticField sf = (VmStaticField) field;
            initialize(sf);
            return (char) getStaticFieldAddress(sf).loadInt();
        } else {
            final VmInstanceField inf = (VmInstanceField) field;
            return getInstanceFieldAddress(o, inf).loadChar();
        }
    }
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        if (field.isStatic()) {
            final VmStaticField sf = (VmStaticField) field;
            initialize(sf);
            return (short) getStaticFieldAddress(sf).loadInt();
        } else {
            final VmInstanceField inf = (VmInstanceField) field;
            return getInstanceFieldAddress(o, inf).loadShort();
        }
    }
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        if (field.isStatic()) {
            final VmStaticField sf = (VmStaticField) field;
            initialize(sf);
            return getStaticFieldAddress(sf).loadInt();
        } else {
            final VmInstanceField inf = (VmInstanceField) field;
            return getInstanceFieldAddress(o, inf).loadInt();
        }
    }
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Related Classes of org.jnode.vm.classmgr.VmInstanceField

  • org.jnode.build.AbstractAsmConstBuilder
  • org.jnode.build.x86.BootImageBuilder
  • org.jnode.vm.VmReflection
  • org.jnode.vm.x86.compiler.l1a.X86BytecodeVisitor
  • org.jnode.vm.x86.compiler.l1b.X86BytecodeVisitor
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