Implement invoke virtual in optimizing compiler.
Also refactor 004 tests to make them work with both Quick and
Optimizing.
Change-Id: I87e275cb0ae0258fc3bb32b612140000b1d2adf8
diff --git a/runtime/check_reference_map_visitor.h b/runtime/check_reference_map_visitor.h
new file mode 100644
index 0000000..166e23f
--- /dev/null
+++ b/runtime/check_reference_map_visitor.h
@@ -0,0 +1,111 @@
+/*
+ * 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.
+ */
+
+#ifndef ART_RUNTIME_CHECK_REFERENCE_MAP_VISITOR_H_
+#define ART_RUNTIME_CHECK_REFERENCE_MAP_VISITOR_H_
+
+#include "gc_map.h"
+#include "mirror/art_method-inl.h"
+#include "scoped_thread_state_change.h"
+#include "stack_map.h"
+
+namespace art {
+
+// Helper class for tests checking that the compiler keeps track of dex registers
+// holding references.
+class CheckReferenceMapVisitor : public StackVisitor {
+ public:
+ explicit CheckReferenceMapVisitor(Thread* thread) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_)
+ : StackVisitor(thread, nullptr) {}
+
+ bool VisitFrame() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ mirror::ArtMethod* m = GetMethod();
+ if (m->IsCalleeSaveMethod() || m->IsNative()) {
+ CHECK_EQ(GetDexPc(), DexFile::kDexNoIndex);
+ }
+
+ if (!m || m->IsNative() || m->IsRuntimeMethod() || IsShadowFrame()) {
+ return true;
+ }
+
+ LOG(INFO) << "At " << PrettyMethod(m, false);
+
+ if (m->IsCalleeSaveMethod()) {
+ LOG(WARNING) << "no PC for " << PrettyMethod(m);
+ return true;
+ }
+
+ return false;
+ }
+
+ void CheckReferences(int* registers, int number_of_references, uint32_t native_pc_offset)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ if (GetMethod()->IsOptimized()) {
+ CheckOptimizedMethod(registers, number_of_references, native_pc_offset);
+ } else {
+ CheckQuickMethod(registers, number_of_references, native_pc_offset);
+ }
+ }
+
+ private:
+ void CheckOptimizedMethod(int* registers, int number_of_references, uint32_t native_pc_offset)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ mirror::ArtMethod* m = GetMethod();
+ CodeInfo code_info = m->GetOptimizedCodeInfo();
+ StackMap stack_map = code_info.GetStackMapForNativePcOffset(native_pc_offset);
+ DexRegisterMap dex_register_map = code_info.GetDexRegisterMapOf(stack_map, m->GetCodeItem()->registers_size_);
+ MemoryRegion stack_mask = stack_map.GetStackMask();
+ uint32_t register_mask = stack_map.GetRegisterMask();
+ for (int i = 0; i < number_of_references; ++i) {
+ int reg = registers[i];
+ CHECK(reg < m->GetCodeItem()->registers_size_);
+ DexRegisterMap::LocationKind location = dex_register_map.GetLocationKind(reg);
+ switch (location) {
+ case DexRegisterMap::kNone:
+ // Not set, should not be a reference.
+ CHECK(false);
+ break;
+ case DexRegisterMap::kInStack:
+ CHECK(stack_mask.LoadBit(dex_register_map.GetValue(reg) >> 2));
+ break;
+ case DexRegisterMap::kInRegister:
+ CHECK_NE(register_mask & dex_register_map.GetValue(reg), 0u);
+ break;
+ case DexRegisterMap::kConstant:
+ CHECK_EQ(dex_register_map.GetValue(0), 0);
+ break;
+ }
+ }
+ }
+
+ void CheckQuickMethod(int* registers, int number_of_references, uint32_t native_pc_offset)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ mirror::ArtMethod* m = GetMethod();
+ NativePcOffsetToReferenceMap map(m->GetNativeGcMap());
+ const uint8_t* ref_bitmap = map.FindBitMap(native_pc_offset);
+ CHECK(ref_bitmap);
+ for (int i = 0; i < number_of_references; ++i) {
+ int reg = registers[i];
+ CHECK(reg < m->GetCodeItem()->registers_size_);
+ CHECK((*((ref_bitmap) + reg / 8) >> (reg % 8) ) & 0x01)
+ << "Error: Reg @" << i << " is not in GC map";
+ }
+ }
+};
+
+} // namespace art
+
+#endif // ART_RUNTIME_REFERENCE_MAP_VISITOR_H_