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Computing stack depth depending on the actual number of parameters of methods being called

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This commit is contained in:
Andrey Breslav
2013-05-12 15:03:58 +02:00
parent b748315304
commit cae2a5e96f
1 changed files with 18 additions and 4 deletions
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compiler/preloader/instrumentation/src/org/jetbrains/jet/preloading/instrumentation/InterceptionInstrumenter.java
+18 -4
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@@ -271,9 +271,22 @@ public class InterceptionInstrumenter {
final List<MethodData> exitData = new ArrayList<MethodData>();
final List<MethodData> enterData = new ArrayList<MethodData>();
int maxParamCount = 0;
for (MethodInstrumenter instrumenter : applicableInstrumenters) {
enterData.addAll(instrumenter.getEnterData());
exitData.addAll(instrumenter.getExitData());
for (MethodData methodData : instrumenter.getEnterData()) {
if (maxParamCount < methodData.getParameterCount()) {
maxParamCount = methodData.getParameterCount();
}
enterData.add(methodData);
}
for (MethodData methodData : instrumenter.getExitData()) {
if (maxParamCount < methodData.getParameterCount()) {
maxParamCount = methodData.getParameterCount();
}
exitData.add(methodData);
}
}
if (enterData.isEmpty() && exitData.isEmpty()) return mv;
@@ -282,6 +295,7 @@ public class InterceptionInstrumenter {
mv = getDumpingVisitorWrapper(mv, name, desc);
}
final int finalMaxParamCount = maxParamCount;
return new MethodVisitorWithUniversalHandler(ASM4, mv) {
private InstructionAdapter ia = null;
@@ -296,8 +310,8 @@ public class InterceptionInstrumenter {
@Override
public void visitMaxs(int maxStack, int maxLocals) {
int sizes = Type.getArgumentsAndReturnSizes(desc);
super.visitMaxs(Math.max(maxStack, sizes + 1), maxLocals);
int maxInstrumentedStack = finalMaxParamCount + 2; // +1 for receiver +1 for returned value on the stack
super.visitMaxs(Math.max(maxStack, maxInstrumentedStack), maxLocals);
}
@Override