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-rw-r--r--runtime/exception_test.cc227
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diff --git a/runtime/exception_test.cc b/runtime/exception_test.cc
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+++ b/runtime/exception_test.cc
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+/*
+ * 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 "class_linker.h"
+#include "common_test.h"
+#include "dex_file.h"
+#include "gtest/gtest.h"
+#include "mirror/class-inl.h"
+#include "mirror/object_array-inl.h"
+#include "mirror/object-inl.h"
+#include "mirror/stack_trace_element.h"
+#include "runtime.h"
+#include "scoped_thread_state_change.h"
+#include "sirt_ref.h"
+#include "thread.h"
+#include "UniquePtr.h"
+
+namespace art {
+
+class ExceptionTest : public CommonTest {
+ protected:
+ virtual void SetUp() {
+ CommonTest::SetUp();
+
+ ScopedObjectAccess soa(Thread::Current());
+ SirtRef<mirror::ClassLoader> class_loader(soa.Self(),
+ soa.Decode<mirror::ClassLoader*>(LoadDex("ExceptionHandle")));
+ my_klass_ = class_linker_->FindClass("LExceptionHandle;", class_loader.get());
+ ASSERT_TRUE(my_klass_ != NULL);
+ class_linker_->EnsureInitialized(my_klass_, false, true);
+
+ dex_ = my_klass_->GetDexCache()->GetDexFile();
+
+ uint32_t code_size = 12;
+ fake_code_.push_back((code_size >> 24) & 0xFF);
+ fake_code_.push_back((code_size >> 16) & 0xFF);
+ fake_code_.push_back((code_size >> 8) & 0xFF);
+ fake_code_.push_back((code_size >> 0) & 0xFF);
+ for (size_t i = 0 ; i < code_size; i++) {
+ fake_code_.push_back(0x70 | i);
+ }
+
+ fake_mapping_data_.push_back(4); // first element is count
+ fake_mapping_data_.push_back(4); // total (non-length) elements
+ fake_mapping_data_.push_back(2); // count of pc to dex elements
+ // --- pc to dex table
+ fake_mapping_data_.push_back(3); // offset 3
+ fake_mapping_data_.push_back(3); // maps to dex offset 3
+ // --- dex to pc table
+ fake_mapping_data_.push_back(3); // offset 3
+ fake_mapping_data_.push_back(3); // maps to dex offset 3
+
+ fake_vmap_table_data_.push_back(0);
+
+ fake_gc_map_.push_back(0); // 0 bytes to encode references and native pc offsets.
+ fake_gc_map_.push_back(0);
+ fake_gc_map_.push_back(0); // 0 entries.
+ fake_gc_map_.push_back(0);
+
+ method_f_ = my_klass_->FindVirtualMethod("f", "()I");
+ ASSERT_TRUE(method_f_ != NULL);
+ method_f_->SetFrameSizeInBytes(kStackAlignment);
+ method_f_->SetEntryPointFromCompiledCode(CompiledMethod::CodePointer(&fake_code_[sizeof(code_size)], kThumb2));
+ method_f_->SetMappingTable(&fake_mapping_data_[0]);
+ method_f_->SetVmapTable(&fake_vmap_table_data_[0]);
+ method_f_->SetNativeGcMap(&fake_gc_map_[0]);
+
+ method_g_ = my_klass_->FindVirtualMethod("g", "(I)V");
+ ASSERT_TRUE(method_g_ != NULL);
+ method_g_->SetFrameSizeInBytes(kStackAlignment);
+ method_g_->SetEntryPointFromCompiledCode(CompiledMethod::CodePointer(&fake_code_[sizeof(code_size)], kThumb2));
+ method_g_->SetMappingTable(&fake_mapping_data_[0]);
+ method_g_->SetVmapTable(&fake_vmap_table_data_[0]);
+ method_g_->SetNativeGcMap(&fake_gc_map_[0]);
+ }
+
+ const DexFile* dex_;
+
+ std::vector<uint8_t> fake_code_;
+ std::vector<uint32_t> fake_mapping_data_;
+ std::vector<uint16_t> fake_vmap_table_data_;
+ std::vector<uint8_t> fake_gc_map_;
+
+ mirror::AbstractMethod* method_f_;
+ mirror::AbstractMethod* method_g_;
+
+ private:
+ mirror::Class* my_klass_;
+};
+
+TEST_F(ExceptionTest, FindCatchHandler) {
+ const DexFile::CodeItem* code_item = dex_->GetCodeItem(method_f_->GetCodeItemOffset());
+
+ ASSERT_TRUE(code_item != NULL);
+
+ ASSERT_EQ(2u, code_item->tries_size_);
+ ASSERT_NE(0u, code_item->insns_size_in_code_units_);
+
+ const DexFile::TryItem *t0, *t1;
+ t0 = dex_->GetTryItems(*code_item, 0);
+ t1 = dex_->GetTryItems(*code_item, 1);
+ EXPECT_LE(t0->start_addr_, t1->start_addr_);
+ {
+ CatchHandlerIterator iter(*code_item, 4 /* Dex PC in the first try block */);
+ EXPECT_STREQ("Ljava/io/IOException;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex()));
+ ASSERT_TRUE(iter.HasNext());
+ iter.Next();
+ EXPECT_STREQ("Ljava/lang/Exception;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex()));
+ ASSERT_TRUE(iter.HasNext());
+ iter.Next();
+ EXPECT_FALSE(iter.HasNext());
+ }
+ {
+ CatchHandlerIterator iter(*code_item, 8 /* Dex PC in the second try block */);
+ EXPECT_STREQ("Ljava/io/IOException;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex()));
+ ASSERT_TRUE(iter.HasNext());
+ iter.Next();
+ EXPECT_FALSE(iter.HasNext());
+ }
+ {
+ CatchHandlerIterator iter(*code_item, 11 /* Dex PC not in any try block */);
+ EXPECT_FALSE(iter.HasNext());
+ }
+}
+
+TEST_F(ExceptionTest, StackTraceElement) {
+ Thread* thread = Thread::Current();
+ thread->TransitionFromSuspendedToRunnable();
+ bool started = runtime_->Start();
+ CHECK(started);
+ JNIEnv* env = thread->GetJniEnv();
+ ScopedObjectAccess soa(env);
+
+ std::vector<uintptr_t> fake_stack;
+ ASSERT_EQ(kStackAlignment, 16);
+ ASSERT_EQ(sizeof(uintptr_t), sizeof(uint32_t));
+
+#if !defined(ART_USE_PORTABLE_COMPILER)
+ // Create two fake stack frames with mapping data created in SetUp. We map offset 3 in the code
+ // to dex pc 3.
+ const uint32_t dex_pc = 3;
+
+ // Create/push fake 16byte stack frame for method g
+ fake_stack.push_back(reinterpret_cast<uintptr_t>(method_g_));
+ fake_stack.push_back(0);
+ fake_stack.push_back(0);
+ fake_stack.push_back(method_f_->ToNativePc(dex_pc)); // return pc
+
+ // Create/push fake 16byte stack frame for method f
+ fake_stack.push_back(reinterpret_cast<uintptr_t>(method_f_));
+ fake_stack.push_back(0);
+ fake_stack.push_back(0);
+ fake_stack.push_back(0xEBAD6070); // return pc
+
+ // Pull Method* of NULL to terminate the trace
+ fake_stack.push_back(0);
+
+ // Push null values which will become null incoming arguments.
+ fake_stack.push_back(0);
+ fake_stack.push_back(0);
+ fake_stack.push_back(0);
+
+ // Set up thread to appear as if we called out of method_g_ at pc dex 3
+ thread->SetTopOfStack(&fake_stack[0], method_g_->ToNativePc(dex_pc)); // return pc
+#else
+ // Create/push fake 20-byte shadow frame for method g
+ fake_stack.push_back(0);
+ fake_stack.push_back(0);
+ fake_stack.push_back(reinterpret_cast<uintptr_t>(method_g_));
+ fake_stack.push_back(3);
+ fake_stack.push_back(0);
+
+ // Create/push fake 20-byte shadow frame for method f
+ fake_stack.push_back(0);
+ fake_stack.push_back(0);
+ fake_stack.push_back(reinterpret_cast<uintptr_t>(method_f_));
+ fake_stack.push_back(3);
+ fake_stack.push_back(0);
+
+ thread->PushShadowFrame(reinterpret_cast<ShadowFrame*>(&fake_stack[5]));
+ thread->PushShadowFrame(reinterpret_cast<ShadowFrame*>(&fake_stack[0]));
+#endif
+
+ jobject internal = thread->CreateInternalStackTrace(soa);
+ ASSERT_TRUE(internal != NULL);
+ jobjectArray ste_array = Thread::InternalStackTraceToStackTraceElementArray(env, internal);
+ ASSERT_TRUE(ste_array != NULL);
+ mirror::ObjectArray<mirror::StackTraceElement>* trace_array =
+ soa.Decode<mirror::ObjectArray<mirror::StackTraceElement>*>(ste_array);
+
+ ASSERT_TRUE(trace_array != NULL);
+ ASSERT_TRUE(trace_array->Get(0) != NULL);
+ EXPECT_STREQ("ExceptionHandle",
+ trace_array->Get(0)->GetDeclaringClass()->ToModifiedUtf8().c_str());
+ EXPECT_STREQ("ExceptionHandle.java", trace_array->Get(0)->GetFileName()->ToModifiedUtf8().c_str());
+ EXPECT_STREQ("g", trace_array->Get(0)->GetMethodName()->ToModifiedUtf8().c_str());
+ EXPECT_EQ(37, trace_array->Get(0)->GetLineNumber());
+
+ ASSERT_TRUE(trace_array->Get(1) != NULL);
+ EXPECT_STREQ("ExceptionHandle",
+ trace_array->Get(1)->GetDeclaringClass()->ToModifiedUtf8().c_str());
+ EXPECT_STREQ("ExceptionHandle.java", trace_array->Get(1)->GetFileName()->ToModifiedUtf8().c_str());
+ EXPECT_STREQ("f", trace_array->Get(1)->GetMethodName()->ToModifiedUtf8().c_str());
+ EXPECT_EQ(22, trace_array->Get(1)->GetLineNumber());
+
+#if !defined(ART_USE_PORTABLE_COMPILER)
+ thread->SetTopOfStack(NULL, 0); // Disarm the assertion that no code is running when we detach.
+#else
+ thread->PopShadowFrame();
+ thread->PopShadowFrame();
+#endif
+}
+
+} // namespace art
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