diff options
Diffstat (limited to 'runtime/arch/stub_test.cc')
| -rw-r--r-- | runtime/arch/stub_test.cc | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/runtime/arch/stub_test.cc b/runtime/arch/stub_test.cc index 1d10e5db39..afa48cde34 100644 --- a/runtime/arch/stub_test.cc +++ b/runtime/arch/stub_test.cc @@ -2151,4 +2151,39 @@ TEST_F(StubTest, ReadBarrier) { #endif } +TEST_F(StubTest, ReadBarrierForRoot) { +#if defined(ART_USE_READ_BARRIER) && (defined(__i386__) || defined(__arm__) || \ + defined(__aarch64__) || defined(__mips__) || (defined(__x86_64__) && !defined(__APPLE__))) + Thread* self = Thread::Current(); + + const uintptr_t readBarrierForRootSlow = + StubTest::GetEntrypoint(self, kQuickReadBarrierForRootSlow); + + // Create an object + ScopedObjectAccess soa(self); + // garbage is created during ClassLinker::Init + + StackHandleScope<1> hs(soa.Self()); + + Handle<mirror::String> obj( + hs.NewHandle(mirror::String::AllocFromModifiedUtf8(soa.Self(), "hello, world!"))); + + EXPECT_FALSE(self->IsExceptionPending()); + + GcRoot<mirror::Class>& root = mirror::String::java_lang_String_; + size_t result = Invoke3(reinterpret_cast<size_t>(&root), 0U, 0U, readBarrierForRootSlow, self); + + EXPECT_FALSE(self->IsExceptionPending()); + EXPECT_NE(reinterpret_cast<size_t>(nullptr), result); + mirror::Class* klass = reinterpret_cast<mirror::Class*>(result); + EXPECT_EQ(klass, obj->GetClass()); + + // Tests done. +#else + LOG(INFO) << "Skipping read_barrier_for_root_slow"; + // Force-print to std::cout so it's also outside the logcat. + std::cout << "Skipping read_barrier_for_root_slow" << std::endl; +#endif +} + } // namespace art |