/*
|
* Copyright (C) 2015 The Android Open Source Project
|
*
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
* you may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*/
|
|
#include "arch/context.h"
|
#include "art_method-inl.h"
|
#include "jni.h"
|
#include "scoped_thread_state_change-inl.h"
|
#include "stack.h"
|
#include "thread.h"
|
|
namespace art {
|
|
namespace {
|
|
jint FindMethodIndex(jobject this_value_jobj) {
|
ScopedObjectAccess soa(Thread::Current());
|
std::unique_ptr<Context> context(Context::Create());
|
ObjPtr<mirror::Object> this_value = soa.Decode<mirror::Object>(this_value_jobj);
|
jint found_method_index = 0;
|
StackVisitor::WalkStack(
|
[&](const art::StackVisitor* stack_visitor) REQUIRES_SHARED(Locks::mutator_lock_) {
|
ArtMethod* m = stack_visitor->GetMethod();
|
std::string m_name(m->GetName());
|
|
if (m_name.compare("$noinline$testThisWithInstanceCall") == 0) {
|
found_method_index = 1;
|
uint32_t value = 0;
|
CHECK(stack_visitor->GetVReg(m, 1, kReferenceVReg, &value));
|
CHECK_EQ(reinterpret_cast<mirror::Object*>(value), this_value);
|
CHECK_EQ(stack_visitor->GetThisObject(), this_value);
|
} else if (m_name.compare("$noinline$testThisWithStaticCall") == 0) {
|
found_method_index = 2;
|
uint32_t value = 0;
|
CHECK(stack_visitor->GetVReg(m, 1, kReferenceVReg, &value));
|
} else if (m_name.compare("$noinline$testParameter") == 0) {
|
found_method_index = 3;
|
uint32_t value = 0;
|
CHECK(stack_visitor->GetVReg(m, 1, kReferenceVReg, &value));
|
} else if (m_name.compare("$noinline$testObjectInScope") == 0) {
|
found_method_index = 4;
|
uint32_t value = 0;
|
CHECK(stack_visitor->GetVReg(m, 0, kReferenceVReg, &value));
|
}
|
|
return true;
|
},
|
soa.Self(),
|
context.get(),
|
art::StackVisitor::StackWalkKind::kIncludeInlinedFrames);
|
return found_method_index;
|
}
|
|
extern "C" JNIEXPORT jint JNICALL Java_Main_doNativeCallRef(JNIEnv*, jobject value) {
|
return FindMethodIndex(value);
|
}
|
|
extern "C" JNIEXPORT jint JNICALL Java_Main_doStaticNativeCallRef(JNIEnv*, jclass) {
|
return FindMethodIndex(nullptr);
|
}
|
|
} // namespace
|
|
} // namespace art
|
