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-rw-r--r--runtime/gc/space/space_test.h114
-rw-r--r--runtime/indirect_reference_table.cc4
-rw-r--r--runtime/jni_internal.cc6
3 files changed, 73 insertions, 51 deletions
diff --git a/runtime/gc/space/space_test.h b/runtime/gc/space/space_test.h
index ea0d290..6d3602c 100644
--- a/runtime/gc/space/space_test.h
+++ b/runtime/gc/space/space_test.h
@@ -33,24 +33,60 @@ namespace space {
class SpaceTest : public CommonRuntimeTest {
public:
+ jobject byte_array_class_;
+
+ SpaceTest() : byte_array_class_(nullptr) {
+ }
+
void AddSpace(ContinuousSpace* space) {
// For RosAlloc, revoke the thread local runs before moving onto a
// new alloc space.
Runtime::Current()->GetHeap()->RevokeAllThreadLocalBuffers();
Runtime::Current()->GetHeap()->AddSpace(space);
}
- void InstallClass(SirtRef<mirror::Object>& o, size_t size)
+
+ mirror::Class* GetByteArrayClass(Thread* self) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ SirtRef<mirror::ClassLoader> null_loader(self, nullptr);
+ if (byte_array_class_ == nullptr) {
+ mirror::Class* byte_array_class =
+ Runtime::Current()->GetClassLinker()->FindClass(self, "[B", null_loader);
+ EXPECT_TRUE(byte_array_class != nullptr);
+ byte_array_class_ = self->GetJniEnv()->NewLocalRef(byte_array_class);
+ EXPECT_TRUE(byte_array_class_ != nullptr);
+ }
+ return reinterpret_cast<mirror::Class*>(self->DecodeJObject(byte_array_class_));
+ }
+
+ mirror::Object* Alloc(space::MallocSpace* alloc_space, Thread* self, size_t bytes,
+ size_t* bytes_allocated, size_t* usable_size)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ SirtRef<mirror::Class> byte_array_class(self, GetByteArrayClass(self));
+ mirror::Object* obj = alloc_space->Alloc(self, bytes, bytes_allocated, usable_size);
+ if (obj != nullptr) {
+ InstallClass(obj, byte_array_class.get(), bytes);
+ }
+ return obj;
+ }
+
+ mirror::Object* AllocWithGrowth(space::MallocSpace* alloc_space, Thread* self, size_t bytes,
+ size_t* bytes_allocated, size_t* usable_size)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ SirtRef<mirror::Class> byte_array_class(self, GetByteArrayClass(self));
+ mirror::Object* obj = alloc_space->AllocWithGrowth(self, bytes, bytes_allocated, usable_size);
+ if (obj != nullptr) {
+ InstallClass(obj, byte_array_class.get(), bytes);
+ }
+ return obj;
+ }
+
+ void InstallClass(mirror::Object* o, mirror::Class* byte_array_class, size_t size)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
// Note the minimum size, which is the size of a zero-length byte array.
EXPECT_GE(size, SizeOfZeroLengthByteArray());
- Thread* self = Thread::Current();
- SirtRef<mirror::ClassLoader> null_loader(self, nullptr);
- mirror::Class* byte_array_class = Runtime::Current()->GetClassLinker()->FindClass(self, "[B",
- null_loader);
EXPECT_TRUE(byte_array_class != nullptr);
o->SetClass(byte_array_class);
if (kUseBrooksPointer) {
- o->SetBrooksPointer(o.get());
+ o->SetBrooksPointer(o);
}
mirror::Array* arr = o->AsArray<kVerifyNone>();
size_t header_size = SizeOfZeroLengthByteArray();
@@ -134,27 +170,25 @@ void SpaceTest::ZygoteSpaceTestBody(CreateSpaceFn create_space) {
// Succeeds, fits without adjusting the footprint limit.
size_t ptr1_bytes_allocated, ptr1_usable_size;
- SirtRef<mirror::Object> ptr1(self, space->Alloc(self, 1 * MB, &ptr1_bytes_allocated,
- &ptr1_usable_size));
+ SirtRef<mirror::Object> ptr1(self, Alloc(space, self, 1 * MB, &ptr1_bytes_allocated,
+ &ptr1_usable_size));
EXPECT_TRUE(ptr1.get() != nullptr);
EXPECT_LE(1U * MB, ptr1_bytes_allocated);
EXPECT_LE(1U * MB, ptr1_usable_size);
EXPECT_LE(ptr1_usable_size, ptr1_bytes_allocated);
- InstallClass(ptr1, 1 * MB);
// Fails, requires a higher footprint limit.
- mirror::Object* ptr2 = space->Alloc(self, 8 * MB, &dummy, nullptr);
+ mirror::Object* ptr2 = Alloc(space, self, 8 * MB, &dummy, nullptr);
EXPECT_TRUE(ptr2 == nullptr);
// Succeeds, adjusts the footprint.
size_t ptr3_bytes_allocated, ptr3_usable_size;
- SirtRef<mirror::Object> ptr3(self, space->AllocWithGrowth(self, 8 * MB, &ptr3_bytes_allocated,
- &ptr3_usable_size));
+ SirtRef<mirror::Object> ptr3(self, AllocWithGrowth(space, self, 8 * MB, &ptr3_bytes_allocated,
+ &ptr3_usable_size));
EXPECT_TRUE(ptr3.get() != nullptr);
EXPECT_LE(8U * MB, ptr3_bytes_allocated);
EXPECT_LE(8U * MB, ptr3_usable_size);
EXPECT_LE(ptr3_usable_size, ptr3_bytes_allocated);
- InstallClass(ptr3, 8 * MB);
// Fails, requires a higher footprint limit.
mirror::Object* ptr4 = space->Alloc(self, 8 * MB, &dummy, nullptr);
@@ -172,13 +206,12 @@ void SpaceTest::ZygoteSpaceTestBody(CreateSpaceFn create_space) {
// Succeeds, now that memory has been freed.
size_t ptr6_bytes_allocated, ptr6_usable_size;
- SirtRef<mirror::Object> ptr6(self, space->AllocWithGrowth(self, 9 * MB, &ptr6_bytes_allocated,
- &ptr6_usable_size));
+ SirtRef<mirror::Object> ptr6(self, AllocWithGrowth(space, self, 9 * MB, &ptr6_bytes_allocated,
+ &ptr6_usable_size));
EXPECT_TRUE(ptr6.get() != nullptr);
EXPECT_LE(9U * MB, ptr6_bytes_allocated);
EXPECT_LE(9U * MB, ptr6_usable_size);
EXPECT_LE(ptr6_usable_size, ptr6_bytes_allocated);
- InstallClass(ptr6, 9 * MB);
// Final clean up.
size_t free1 = space->AllocationSize(ptr1.get(), nullptr);
@@ -202,24 +235,22 @@ void SpaceTest::ZygoteSpaceTestBody(CreateSpaceFn create_space) {
AddSpace(space);
// Succeeds, fits without adjusting the footprint limit.
- ptr1.reset(space->Alloc(self, 1 * MB, &ptr1_bytes_allocated, &ptr1_usable_size));
+ ptr1.reset(Alloc(space, self, 1 * MB, &ptr1_bytes_allocated, &ptr1_usable_size));
EXPECT_TRUE(ptr1.get() != nullptr);
EXPECT_LE(1U * MB, ptr1_bytes_allocated);
EXPECT_LE(1U * MB, ptr1_usable_size);
EXPECT_LE(ptr1_usable_size, ptr1_bytes_allocated);
- InstallClass(ptr1, 1 * MB);
// Fails, requires a higher footprint limit.
- ptr2 = space->Alloc(self, 8 * MB, &dummy, nullptr);
+ ptr2 = Alloc(space, self, 8 * MB, &dummy, nullptr);
EXPECT_TRUE(ptr2 == nullptr);
// Succeeds, adjusts the footprint.
- ptr3.reset(space->AllocWithGrowth(self, 2 * MB, &ptr3_bytes_allocated, &ptr3_usable_size));
+ ptr3.reset(AllocWithGrowth(space, self, 2 * MB, &ptr3_bytes_allocated, &ptr3_usable_size));
EXPECT_TRUE(ptr3.get() != nullptr);
EXPECT_LE(2U * MB, ptr3_bytes_allocated);
EXPECT_LE(2U * MB, ptr3_usable_size);
EXPECT_LE(ptr3_usable_size, ptr3_bytes_allocated);
- InstallClass(ptr3, 2 * MB);
space->Free(self, ptr3.reset(nullptr));
// Final clean up.
@@ -240,34 +271,32 @@ void SpaceTest::AllocAndFreeTestBody(CreateSpaceFn create_space) {
// Succeeds, fits without adjusting the footprint limit.
size_t ptr1_bytes_allocated, ptr1_usable_size;
- SirtRef<mirror::Object> ptr1(self, space->Alloc(self, 1 * MB, &ptr1_bytes_allocated,
- &ptr1_usable_size));
+ SirtRef<mirror::Object> ptr1(self, Alloc(space, self, 1 * MB, &ptr1_bytes_allocated,
+ &ptr1_usable_size));
EXPECT_TRUE(ptr1.get() != nullptr);
EXPECT_LE(1U * MB, ptr1_bytes_allocated);
EXPECT_LE(1U * MB, ptr1_usable_size);
EXPECT_LE(ptr1_usable_size, ptr1_bytes_allocated);
- InstallClass(ptr1, 1 * MB);
// Fails, requires a higher footprint limit.
- mirror::Object* ptr2 = space->Alloc(self, 8 * MB, &dummy, nullptr);
+ mirror::Object* ptr2 = Alloc(space, self, 8 * MB, &dummy, nullptr);
EXPECT_TRUE(ptr2 == nullptr);
// Succeeds, adjusts the footprint.
size_t ptr3_bytes_allocated, ptr3_usable_size;
- SirtRef<mirror::Object> ptr3(self, space->AllocWithGrowth(self, 8 * MB, &ptr3_bytes_allocated,
- &ptr3_usable_size));
+ SirtRef<mirror::Object> ptr3(self, AllocWithGrowth(space, self, 8 * MB, &ptr3_bytes_allocated,
+ &ptr3_usable_size));
EXPECT_TRUE(ptr3.get() != nullptr);
EXPECT_LE(8U * MB, ptr3_bytes_allocated);
EXPECT_LE(8U * MB, ptr3_usable_size);
EXPECT_LE(ptr3_usable_size, ptr3_bytes_allocated);
- InstallClass(ptr3, 8 * MB);
// Fails, requires a higher footprint limit.
- mirror::Object* ptr4 = space->Alloc(self, 8 * MB, &dummy, nullptr);
+ mirror::Object* ptr4 = Alloc(space, self, 8 * MB, &dummy, nullptr);
EXPECT_TRUE(ptr4 == nullptr);
// Also fails, requires a higher allowed footprint.
- mirror::Object* ptr5 = space->AllocWithGrowth(self, 8 * MB, &dummy, nullptr);
+ mirror::Object* ptr5 = AllocWithGrowth(space, self, 8 * MB, &dummy, nullptr);
EXPECT_TRUE(ptr5 == nullptr);
// Release some memory.
@@ -278,13 +307,12 @@ void SpaceTest::AllocAndFreeTestBody(CreateSpaceFn create_space) {
// Succeeds, now that memory has been freed.
size_t ptr6_bytes_allocated, ptr6_usable_size;
- SirtRef<mirror::Object> ptr6(self, space->AllocWithGrowth(self, 9 * MB, &ptr6_bytes_allocated,
- &ptr6_usable_size));
+ SirtRef<mirror::Object> ptr6(self, AllocWithGrowth(space, self, 9 * MB, &ptr6_bytes_allocated,
+ &ptr6_usable_size));
EXPECT_TRUE(ptr6.get() != nullptr);
EXPECT_LE(9U * MB, ptr6_bytes_allocated);
EXPECT_LE(9U * MB, ptr6_usable_size);
EXPECT_LE(ptr6_usable_size, ptr6_bytes_allocated);
- InstallClass(ptr6, 9 * MB);
// Final clean up.
size_t free1 = space->AllocationSize(ptr1.get(), nullptr);
@@ -306,11 +334,10 @@ void SpaceTest::AllocAndFreeListTestBody(CreateSpaceFn create_space) {
for (size_t i = 0; i < arraysize(lots_of_objects); i++) {
size_t allocation_size, usable_size;
size_t size_of_zero_length_byte_array = SizeOfZeroLengthByteArray();
- lots_of_objects[i] = space->Alloc(self, size_of_zero_length_byte_array, &allocation_size,
- &usable_size);
+ lots_of_objects[i] = Alloc(space, self, size_of_zero_length_byte_array, &allocation_size,
+ &usable_size);
EXPECT_TRUE(lots_of_objects[i] != nullptr);
SirtRef<mirror::Object> obj(self, lots_of_objects[i]);
- InstallClass(obj, size_of_zero_length_byte_array);
lots_of_objects[i] = obj.get();
size_t computed_usable_size;
EXPECT_EQ(allocation_size, space->AllocationSize(lots_of_objects[i], &computed_usable_size));
@@ -326,10 +353,9 @@ void SpaceTest::AllocAndFreeListTestBody(CreateSpaceFn create_space) {
// Succeeds, fits by adjusting the max allowed footprint.
for (size_t i = 0; i < arraysize(lots_of_objects); i++) {
size_t allocation_size, usable_size;
- lots_of_objects[i] = space->AllocWithGrowth(self, 1024, &allocation_size, &usable_size);
+ lots_of_objects[i] = AllocWithGrowth(space, self, 1024, &allocation_size, &usable_size);
EXPECT_TRUE(lots_of_objects[i] != nullptr);
SirtRef<mirror::Object> obj(self, lots_of_objects[i]);
- InstallClass(obj, 1024);
lots_of_objects[i] = obj.get();
size_t computed_usable_size;
EXPECT_EQ(allocation_size, space->AllocationSize(lots_of_objects[i], &computed_usable_size));
@@ -394,14 +420,13 @@ void SpaceTest::SizeFootPrintGrowthLimitAndTrimBody(MallocSpace* space, intptr_t
SirtRef<mirror::Object> object(self, nullptr);
size_t bytes_allocated = 0;
if (round <= 1) {
- object.reset(space->Alloc(self, alloc_size, &bytes_allocated, nullptr));
+ object.reset(Alloc(space, self, alloc_size, &bytes_allocated, nullptr));
} else {
- object.reset(space->AllocWithGrowth(self, alloc_size, &bytes_allocated, nullptr));
+ object.reset(AllocWithGrowth(space, self, alloc_size, &bytes_allocated, nullptr));
}
footprint = space->GetFootprint();
EXPECT_GE(space->Size(), footprint); // invariant
if (object.get() != nullptr) { // allocation succeeded
- InstallClass(object, alloc_size);
lots_of_objects[i] = object.get();
size_t allocation_size = space->AllocationSize(object.get(), nullptr);
EXPECT_EQ(bytes_allocated, allocation_size);
@@ -487,13 +512,12 @@ void SpaceTest::SizeFootPrintGrowthLimitAndTrimBody(MallocSpace* space, intptr_t
size_t three_quarters_space = (growth_limit / 2) + (growth_limit / 4);
size_t bytes_allocated = 0;
if (round <= 1) {
- large_object.reset(space->Alloc(self, three_quarters_space, &bytes_allocated, nullptr));
+ large_object.reset(Alloc(space, self, three_quarters_space, &bytes_allocated, nullptr));
} else {
- large_object.reset(space->AllocWithGrowth(self, three_quarters_space, &bytes_allocated,
- nullptr));
+ large_object.reset(AllocWithGrowth(space, self, three_quarters_space, &bytes_allocated,
+ nullptr));
}
EXPECT_TRUE(large_object.get() != nullptr);
- InstallClass(large_object, three_quarters_space);
// Sanity check footprint
footprint = space->GetFootprint();
diff --git a/runtime/indirect_reference_table.cc b/runtime/indirect_reference_table.cc
index ed3fb5f..bbad884 100644
--- a/runtime/indirect_reference_table.cc
+++ b/runtime/indirect_reference_table.cc
@@ -360,7 +360,9 @@ mirror::Object* IndirectReferenceTable::Get(IndirectRef iref) const {
return kInvalidIndirectRefObject;
}
mirror::Object* obj = table_[ExtractIndex(iref)];;
- VerifyObject(obj);
+ if (obj != kClearedJniWeakGlobal) {
+ VerifyObject(obj);
+ }
return obj;
}
diff --git a/runtime/jni_internal.cc b/runtime/jni_internal.cc
index f8865ea..6efff1a 100644
--- a/runtime/jni_internal.cc
+++ b/runtime/jni_internal.cc
@@ -3194,11 +3194,7 @@ mirror::Object* JavaVMExt::DecodeWeakGlobal(Thread* self, IndirectRef ref) {
while (UNLIKELY(!allow_new_weak_globals_)) {
weak_globals_add_condition_.WaitHoldingLocks(self);
}
- mirror::Object* obj = weak_globals_.Get(ref);
- if (obj != kClearedJniWeakGlobal) {
- VerifyObject(obj);
- }
- return obj;
+ return weak_globals_.Get(ref);
}
void JavaVMExt::DumpReferenceTables(std::ostream& os) {
generated by cgit v1.1 at 2024-09-15 11:32:50 +0000