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use vm::run to implement IsAssignableFrom and IsInstanceOf

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Under certain circumstances, the implementations of these functions
may throw errors, so we need to wrap them using vm::run so we don't
try to unwind past the JNI boundary.
This commit is contained in:
Joel Dice 2011-04-09 21:07:10 -06:00
parent 239fd98781
commit 948a2523f1
1 changed files with 25 additions and 5 deletions
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30
src/jnienv.cpp
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@ -460,22 +460,42 @@ GetSuperclass(Thread* t, jclass c)
return reinterpret_cast<jclass>(run(t, getSuperclass, arguments));
}
jboolean JNICALL
IsInstanceOf(Thread* t, jobject o, jclass c)
uint64_t
isInstanceOf(Thread* t, uintptr_t* arguments)
{
ENTER(t, Thread::ActiveState);
jobject o = reinterpret_cast<jobject>(arguments[0]);
jclass c = reinterpret_cast<jclass>(arguments[1]);
return instanceOf(t, jclassVmClass(t, *c), *o);
}
jboolean JNICALL
IsAssignableFrom(Thread* t, jclass b, jclass a)
IsInstanceOf(Thread* t, jobject o, jclass c)
{
ENTER(t, Thread::ActiveState);
uintptr_t arguments[] = { reinterpret_cast<uintptr_t>(o),
reinterpret_cast<uintptr_t>(c) };
return run(t, isInstanceOf, arguments);
}
uint64_t
isAssignableFrom(Thread* t, uintptr_t* arguments)
{
jclass b = reinterpret_cast<jclass>(arguments[0]);
jclass a = reinterpret_cast<jclass>(arguments[1]);
return isAssignableFrom(t, jclassVmClass(t, *a), jclassVmClass(t, *b));
}
jboolean JNICALL
IsAssignableFrom(Thread* t, jclass b, jclass a)
{
uintptr_t arguments[] = { reinterpret_cast<uintptr_t>(b),
reinterpret_cast<uintptr_t>(a) };
return run(t, isAssignableFrom, arguments);
}
object
findMethod(Thread* t, jclass c, const char* name, const char* spec)
{