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handle various return types properly in invokeNative2

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This commit is contained in:
Joel Dice 2007-12-23 11:09:41 -07:00
parent 31cf1754ce
commit a020a3f6bb
2 changed files with 30 additions and 12 deletions
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2
makefile
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@ -28,7 +28,7 @@ src = src
classpath = classpath
test = test
input = $(test-build)/GC.class
input = $(test-build)/Reflection.class
build-cxx = g++
build-cc = gcc

40
src/compile.cpp
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@ -3279,7 +3279,8 @@ invokeNative2(MyThread* t, object method)
}
void* function = pointerValue(t, methodCode(t, method));
unsigned returnType = fieldType(t, methodReturnCode(t, method));
unsigned returnCode = methodReturnCode(t, method);
unsigned returnType = fieldType(t, returnCode);
uint64_t result;
if (Verbose) {
@ -3305,20 +3306,37 @@ invokeNative2(MyThread* t, object method)
&byteArrayBody(t, methodName(t, method), 0));
}
if (LIKELY(t->exception == 0) and returnType == POINTER_TYPE) {
return result ? *reinterpret_cast<uintptr_t*>(result) : 0;
} else if (BytesPerWord == 8) {
switch (returnType) {
case INT8_TYPE:
case INT16_TYPE:
case INT32_TYPE:
// force sign extension
if (LIKELY(t->exception == 0)) {
switch (returnCode) {
case ByteField:
case BooleanField:
return static_cast<int8_t>(result);
case CharField:
return static_cast<uint16_t>(result);
case ShortField:
return static_cast<int16_t>(result);
case FloatField:
case IntField:
return static_cast<int32_t>(result);
default: return result;
case LongField:
case DoubleField:
return result;
case ObjectField:
return static_cast<uintptr_t>(result) ? *reinterpret_cast<uintptr_t*>
(static_cast<uintptr_t>(result)) : 0;
case VoidField:
return 0;
default: abort(t);
}
} else {
return result;
return 0;
}
}