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Fix bugs in GC and runtime

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This commit is contained in:
Alexey Andreev 2016-09-09 23:09:48 +03:00
parent 43b0700c10
commit fae2963900
2 changed files with 28 additions and 12 deletions
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2
core/src/main/java/org/teavm/backend/wasm/intrinsics/AddressIntrinsic.java
View File

@ -123,12 +123,12 @@ public class AddressIntrinsic implements WasmIntrinsic {
WasmExpression value = manager.generate(invocation.getArguments().get(1));
return new WasmStoreInt32(2, address, value, WasmInt32Subtype.INT16);
}
case "putAddress":
case "putChar": {
WasmExpression address = manager.generate(invocation.getArguments().get(0));
WasmExpression value = manager.generate(invocation.getArguments().get(1));
return new WasmStoreInt32(2, address, value, WasmInt32Subtype.UINT16);
}
case "putAddress":
case "putInt": {
WasmExpression address = manager.generate(invocation.getArguments().get(0));
WasmExpression value = manager.generate(invocation.getArguments().get(1));

38
core/src/main/java/org/teavm/runtime/GC.java
View File

@ -97,7 +97,6 @@ public final class GC {
}
private static void mark() {
MarkQueue.init();
Allocator.fillZero(regionsAddress().toAddress(), regionMaxCount() * Structure.sizeOf(Region.class));
Address staticRoots = Mutator.getStaticGcRoots();
@ -127,6 +126,7 @@ public final class GC {
return;
}
MarkQueue.init();
MarkQueue.enqueue(object);
while (!MarkQueue.isEmpty()) {
object = MarkQueue.dequeue();
@ -144,20 +144,34 @@ public final class GC {
}
RuntimeClass cls = RuntimeClass.getClass(object);
while (cls != null) {
Address layout = cls.layout;
if (layout != null) {
short fieldCount = layout.getShort();
while (fieldCount-- > 0) {
layout = layout.add(2);
int fieldOffset = layout.getShort();
RuntimeObject reference = object.toAddress().add(fieldOffset).toStructure();
if (cls.itemType == null) {
while (cls != null) {
Address layout = cls.layout;
if (layout != null) {
short fieldCount = layout.getShort();
while (fieldCount-- > 0) {
layout = layout.add(2);
int fieldOffset = layout.getShort();
RuntimeObject reference = object.toAddress().add(fieldOffset).toStructure();
if (reference != null && !isMarked(reference)) {
MarkQueue.enqueue(reference);
}
}
}
cls = cls.parent;
}
} else {
if ((cls.itemType.flags & RuntimeClass.PRIMITIVE) == 0) {
RuntimeArray array = (RuntimeArray) object;
Address base = Address.align(array.toAddress().add(RuntimeArray.class, 1), 4);
for (int i = 0; i < array.size; ++i) {
RuntimeObject reference = base.getAddress().toStructure();
if (reference != null && !isMarked(reference)) {
MarkQueue.enqueue(reference);
}
base = base.add(4);
}
}
cls = cls.parent;
}
}
}
@ -240,8 +254,10 @@ public final class GC {
}
}
currentChunkPointer = heapAddress().toStructure();
currentChunkPointer = gcStorageAddress().toStructure();
sortFreeChunks(0, freeChunks - 1);
currentChunk = currentChunkPointer.value;
currentChunkLimit = currentChunk.toAddress().add(currentChunk.size);
}
private static void sortFreeChunks(int lower, int upper) {