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/*
* 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 "oat_quick_method_header.h"
#include "scoped_thread_state_change-inl.h"
#include "stack.h"
#include "thread.h"
namespace art {
namespace {
class TestVisitor : public StackVisitor {
public:
TestVisitor(Thread* thread, Context* context)
REQUIRES_SHARED(Locks::mutator_lock_)
: StackVisitor(thread, context, StackVisitor::StackWalkKind::kIncludeInlinedFrames) {}
bool VisitFrame() override REQUIRES_SHARED(Locks::mutator_lock_) {
ArtMethod* m = GetMethod();
std::string m_name(m->GetName());
if (m_name.compare("mergeOk") == 0) {
uint32_t value = 0;
CHECK(GetVReg(m, 0, kIntVReg, &value));
CHECK_EQ(value, 0u);
CHECK(GetVReg(m, 1, kIntVReg, &value));
CHECK_EQ(value, 1u);
CHECK(GetVReg(m, 2, kIntVReg, &value));
CHECK_EQ(value, 2u);
CHECK(GetVReg(m, 3, kIntVReg, &value));
CHECK_EQ(value, 1u);
CHECK(GetVReg(m, 4, kIntVReg, &value));
CHECK_EQ(value, 2u);
did_check_ = true;
} else if (m_name.compare("mergeNotOk") == 0) {
uint32_t value = 0;
CHECK(GetVReg(m, 0, kIntVReg, &value));
CHECK_EQ(value, 0u);
CHECK(GetVReg(m, 1, kIntVReg, &value));
CHECK_EQ(value, 1u);
bool success = GetVReg(m, 2, kIntVReg, &value);
if (!IsShadowFrame() && GetCurrentOatQuickMethodHeader()->IsOptimized()) {
CHECK(!success);
}
CHECK(GetVReg(m, 3, kIntVReg, &value));
CHECK_EQ(value, 1u);
CHECK(GetVReg(m, 4, kFloatVReg, &value));
uint32_t cast = bit_cast<uint32_t, float>(4.0f);
CHECK_EQ(value, cast);
did_check_ = true;
} else if (m_name.compare("phiEquivalent") == 0) {
uint32_t value = 0;
CHECK(GetVReg(m, 0, kIntVReg, &value));
// Quick doesn't like this one on x64.
CHECK_EQ(value, 0u);
CHECK(GetVReg(m, 1, kIntVReg, &value));
CHECK_EQ(value, 1u);
CHECK(GetVReg(m, 2, kFloatVReg, &value));
CHECK_EQ(value, 1u);
did_check_ = true;
} else if (m_name.compare("mergeReferences") == 0) {
uint32_t value = 0;
CHECK(GetVReg(m, 0, kIntVReg, &value));
CHECK_EQ(value, 0u);
CHECK(GetVReg(m, 1, kIntVReg, &value));
CHECK_EQ(value, 1u);
CHECK(GetVReg(m, 2, kReferenceVReg, &value));
CHECK_EQ(value, 0u);
CHECK(GetVReg(m, 3, kReferenceVReg, &value));
CHECK_NE(value, 0u);
did_check_ = true;
} else if (m_name.compare("phiAllEquivalents") == 0) {
uint32_t value = 0;
CHECK(GetVReg(m, 0, kIntVReg, &value));
CHECK_EQ(value, 0u);
CHECK(GetVReg(m, 1, kIntVReg, &value));
CHECK_EQ(value, 1u);
CHECK(GetVReg(m, 2, kReferenceVReg, &value));
CHECK_EQ(value, 0u);
did_check_ = true;
}
return true;
}
bool did_check_ = false;
};
extern "C" JNIEXPORT void JNICALL Java_PhiLiveness_regsNativeCall(
JNIEnv*, jclass value ATTRIBUTE_UNUSED) {
ScopedObjectAccess soa(Thread::Current());
std::unique_ptr<Context> context(Context::Create());
TestVisitor visitor(soa.Self(), context.get());
visitor.WalkStack();
CHECK(visitor.did_check_);
}
extern "C" JNIEXPORT void JNICALL Java_PhiLiveness_regsNativeCallWithParameters(
JNIEnv*, jclass value ATTRIBUTE_UNUSED, jobject main, jint int_value, jfloat float_value) {
ScopedObjectAccess soa(Thread::Current());
std::unique_ptr<Context> context(Context::Create());
CHECK(soa.Decode<mirror::Object>(main) == nullptr);
CHECK_EQ(int_value, 0);
int32_t cast = bit_cast<int32_t, float>(float_value);
CHECK_EQ(cast, 0);
TestVisitor visitor(soa.Self(), context.get());
visitor.WalkStack();
CHECK(visitor.did_check_);
}
} // namespace
} // namespace art