108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
/*
|
|
* Copyright (C) 2011 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 <string_view>
|
|
|
|
#include "art_method-inl.h"
|
|
#include "check_reference_map_visitor.h"
|
|
#include "jni.h"
|
|
|
|
namespace art {
|
|
|
|
#define CHECK_REGS_ARE_REFERENCES(...) do { \
|
|
int t[] = {__VA_ARGS__}; \
|
|
int t_size = sizeof(t) / sizeof(*t); \
|
|
CheckReferences( \
|
|
t, t_size, GetDexPc(), GetNativePcOffset(), /* search_for_valid_sack_map= */ false); \
|
|
} while (false);
|
|
|
|
static int gJava_StackWalk_refmap_calls = 0;
|
|
|
|
class TestReferenceMapVisitor : public CheckReferenceMapVisitor {
|
|
public:
|
|
explicit TestReferenceMapVisitor(Thread* thread) REQUIRES_SHARED(Locks::mutator_lock_)
|
|
: CheckReferenceMapVisitor(thread) {}
|
|
|
|
bool VisitFrame() override REQUIRES_SHARED(Locks::mutator_lock_) {
|
|
if (CheckReferenceMapVisitor::VisitFrame()) {
|
|
return true;
|
|
}
|
|
ArtMethod* m = GetMethod();
|
|
std::string_view m_name(m->GetName());
|
|
|
|
// Given the method name and the number of times the method has been called,
|
|
// we know the Dex registers with live reference values. Assert that what we
|
|
// find is what is expected.
|
|
if (m_name == "$noinline$f") {
|
|
if (gJava_StackWalk_refmap_calls == 1) {
|
|
CHECK_EQ(1U, GetDexPc());
|
|
CHECK_REGS_ARE_REFERENCES(1);
|
|
} else {
|
|
CHECK_EQ(gJava_StackWalk_refmap_calls, 2);
|
|
CHECK_EQ(5U, GetDexPc());
|
|
CHECK_REGS_ARE_REFERENCES(1);
|
|
}
|
|
found_f_ = true;
|
|
} else if (m_name == "$noinline$g") {
|
|
if (gJava_StackWalk_refmap_calls == 1) {
|
|
CHECK_EQ(0xcU, GetDexPc());
|
|
CHECK_REGS_ARE_REFERENCES(0, 2); // Note that v1 is not in the minimal root set
|
|
} else {
|
|
CHECK_EQ(gJava_StackWalk_refmap_calls, 2);
|
|
CHECK_EQ(0xcU, GetDexPc());
|
|
CHECK_REGS_ARE_REFERENCES(0, 2);
|
|
}
|
|
found_g_ = true;
|
|
} else if (m_name == "shlemiel") {
|
|
if (gJava_StackWalk_refmap_calls == 1) {
|
|
CHECK_EQ(0x380U, GetDexPc());
|
|
CHECK_REGS_ARE_REFERENCES(2, 4, 5, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 21, 25);
|
|
} else {
|
|
CHECK_EQ(gJava_StackWalk_refmap_calls, 2);
|
|
CHECK_EQ(0x380U, GetDexPc());
|
|
CHECK_REGS_ARE_REFERENCES(2, 4, 5, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 21, 25);
|
|
}
|
|
found_shlemiel_ = true;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
~TestReferenceMapVisitor() {
|
|
}
|
|
|
|
bool found_f_ = false;
|
|
bool found_g_ = false;
|
|
bool found_shlemiel_ = false;
|
|
};
|
|
|
|
extern "C" JNIEXPORT jint JNICALL Java_Main_testStackWalk(JNIEnv*, jobject, jint count) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
CHECK_EQ(count, 0);
|
|
gJava_StackWalk_refmap_calls++;
|
|
|
|
// Visitor
|
|
TestReferenceMapVisitor mapper(soa.Self());
|
|
mapper.WalkStack();
|
|
CHECK(mapper.found_f_);
|
|
CHECK(mapper.found_g_);
|
|
CHECK(mapper.found_shlemiel_);
|
|
|
|
return count + 1;
|
|
}
|
|
|
|
} // namespace art
|