exception_test.cc revision 0571d357843c53e042f370f5f2c2e9aa3fe803a9
12fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao// Copyright 2011 Google Inc. All Rights Reserved. 22fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 32fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include <sys/mman.h> 42fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 590a3369d3b6238f1a4c9b19ca68978dab1c39bc4Elliott Hughes#include "UniquePtr.h" 62fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "assembler.h" 72fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "class_linker.h" 82fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "common_test.h" 92fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "dex_file.h" 1090a3369d3b6238f1a4c9b19ca68978dab1c39bc4Elliott Hughes#include "gtest/gtest.h" 112fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "jni_compiler.h" 122fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "runtime.h" 132fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "thread.h" 142fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 152fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liaonamespace art { 162fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 17f734cf55d510976f4862b15e35fc86eae2a3daf8Brian Carlstromclass ExceptionTest : public CommonTest { 181a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao protected: 191a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao virtual void SetUp() { 201a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao CommonTest::SetUp(); 211a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao 2240381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom SirtRef<ClassLoader> class_loader(LoadDex("ExceptionHandle")); 2340381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom my_klass_ = class_linker_->FindClass("LExceptionHandle;", class_loader.get()); 241a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_TRUE(my_klass_ != NULL); 2533f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom 2633f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom dex_ = &Runtime::Current()->GetClassLinker()->FindDexFile(my_klass_->GetDexCache()); 2733f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom 283320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom for (size_t i = 0 ; i < 12; i++) { 293320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom fake_code_.push_back(0x70000000 | i); 303320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom } 313320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 323320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom fake_mapping_data_.push_back(2); // first element is count of remaining elements 333320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom fake_mapping_data_.push_back(3); // offset 3 343320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom fake_mapping_data_.push_back(3); // maps to dex offset 3 3533f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom 361a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao method_f_ = my_klass_->FindVirtualMethod("f", "()I"); 371a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_TRUE(method_f_ != NULL); 380cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers method_f_->SetFrameSizeInBytes(kStackAlignment); 393320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_f_->SetCode(CompiledMethod::CodePointer(&fake_code_[0], kThumb2)); 403320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_f_->SetMappingTable(&fake_mapping_data_[0]); 4133f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom 421a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao method_g_ = my_klass_->FindVirtualMethod("g", "(I)V"); 431a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_TRUE(method_g_ != NULL); 440cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers method_g_->SetFrameSizeInBytes(kStackAlignment); 453320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_g_->SetCode(CompiledMethod::CodePointer(&fake_code_[0], kThumb2)); 463320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_g_->SetMappingTable(&fake_mapping_data_[0]); 471a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao } 482fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 4933f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom const DexFile* dex_; 502fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 513320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom std::vector<uint8_t> fake_code_; 523320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom std::vector<uint32_t> fake_mapping_data_; 533320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 541a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao Method* method_f_; 551a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao Method* method_g_; 562fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 571a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao private: 581a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao Class* my_klass_; 591a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao}; 601a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao 611a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei LiaoTEST_F(ExceptionTest, FindCatchHandler) { 6233f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom const DexFile::CodeItem* code_item = dex_->GetCodeItem(method_f_->GetCodeItemOffset()); 632fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 642fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao ASSERT_TRUE(code_item != NULL); 652fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 662fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao ASSERT_EQ(2u, code_item->tries_size_); 67d81871cbbaa34c649e488f94f61a981db33123e5Ian Rogers ASSERT_NE(0u, code_item->insns_size_in_code_units_); 682fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 692fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao const struct DexFile::TryItem *t0, *t1; 700571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers t0 = dex_->GetTryItems(*code_item, 0); 710571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers t1 = dex_->GetTryItems(*code_item, 1); 722fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao EXPECT_LE(t0->start_addr_, t1->start_addr_); 730571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers { 740571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers CatchHandlerIterator iter(*code_item, 4 /* Dex PC in the first try block */); 750571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers EXPECT_STREQ("Ljava/io/IOException;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex())); 760571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers ASSERT_TRUE(iter.HasNext()); 770571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers iter.Next(); 780571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers EXPECT_STREQ("Ljava/lang/Exception;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex())); 790571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers ASSERT_TRUE(iter.HasNext()); 800571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers iter.Next(); 810571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers EXPECT_FALSE(iter.HasNext()); 820571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 830571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers { 840571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers CatchHandlerIterator iter(*code_item, 8 /* Dex PC in the second try block */); 850571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers EXPECT_STREQ("Ljava/io/IOException;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex())); 860571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers ASSERT_TRUE(iter.HasNext()); 870571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers iter.Next(); 880571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers EXPECT_FALSE(iter.HasNext()); 890571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 900571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers { 910571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers CatchHandlerIterator iter(*code_item, 11 /* Dex PC not in any try block */); 920571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers EXPECT_FALSE(iter.HasNext()); 930571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 942fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao} 952fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 9655df06be4369f5d8ab5eb61a5d22809255171036Shih-wei LiaoTEST_F(ExceptionTest, StackTraceElement) { 9725c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom runtime_->Start(); 9825c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom 993b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes std::vector<uintptr_t> fake_stack; 1000cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers ASSERT_EQ(kStackAlignment, 16); 1010cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers ASSERT_EQ(sizeof(uintptr_t), sizeof(uint32_t)); 1020cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 103f57c47c29cd3388d1d78008a71c4e18f2217b70cIan Rogers // Create two fake stack frames with mapping data created in SetUp. We map offset 3 in the code 1041cb0a1dfc32531c79a968aeac26ccb5525862497Ian Rogers // to dex pc 3, however, we set the return pc to 5 as the stack walker always subtracts two 105f57c47c29cd3388d1d78008a71c4e18f2217b70cIan Rogers // from a return pc. 106a43cb5e8fb29989dbb986b9b91a68cda150aa3c8Elliott Hughes const uintptr_t pc_offset = 3 + 2; 107f57c47c29cd3388d1d78008a71c4e18f2217b70cIan Rogers 1080cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // Create/push fake 16byte stack frame for method g 1093b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(reinterpret_cast<uintptr_t>(method_g_)); 1103b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(0); 1113b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(0); 1123b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(reinterpret_cast<uintptr_t>(method_f_->GetCode()) + pc_offset); // return pc 1130cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 1140cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // Create/push fake 16byte stack frame for method f 1153b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(reinterpret_cast<uintptr_t>(method_f_)); 1163b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(0); 1173b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(0); 1183b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(0xEBAD6070); // return pc 1190cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 1200cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // Pull Method* of NULL to terminate the trace 1213b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(NULL); 12255df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 123bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers // Set up thread to appear as if we called out of method_g_ at pc 3 12455df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao Thread* thread = Thread::Current(); 1253b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes thread->SetTopOfStack(&fake_stack[0], reinterpret_cast<uintptr_t>(method_g_->GetCode()) + pc_offset); // return pc 12655df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 12701158d7a57c8321370667a6045220237d16e0da8Elliott Hughes JNIEnv* env = thread->GetJniEnv(); 12801158d7a57c8321370667a6045220237d16e0da8Elliott Hughes jobject internal = thread->CreateInternalStackTrace(env); 12901158d7a57c8321370667a6045220237d16e0da8Elliott Hughes jobjectArray ste_array = Thread::InternalStackTraceToStackTraceElementArray(env, internal); 130aaa208006d7c8cc0f381c4aa9b525be24066c495Ian Rogers ObjectArray<StackTraceElement>* trace_array = 13101158d7a57c8321370667a6045220237d16e0da8Elliott Hughes Decode<ObjectArray<StackTraceElement>*>(env, ste_array); 13255df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 13355df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao ASSERT_TRUE(trace_array->Get(0) != NULL); 13433f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom EXPECT_STREQ("ExceptionHandle", 1354417536522fd2a9d8215d8672331984769c9520bShih-wei Liao trace_array->Get(0)->GetDeclaringClass()->ToModifiedUtf8().c_str()); 13633f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom EXPECT_STREQ("ExceptionHandle.java", trace_array->Get(0)->GetFileName()->ToModifiedUtf8().c_str()); 13755df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao EXPECT_STREQ("g", trace_array->Get(0)->GetMethodName()->ToModifiedUtf8().c_str()); 138ff0f9bea6355fe0c420815f9b894e6bb634fe764Shih-wei Liao EXPECT_EQ(22, trace_array->Get(0)->GetLineNumber()); 13955df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 14055df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao ASSERT_TRUE(trace_array->Get(1) != NULL); 14133f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom EXPECT_STREQ("ExceptionHandle", 1424417536522fd2a9d8215d8672331984769c9520bShih-wei Liao trace_array->Get(1)->GetDeclaringClass()->ToModifiedUtf8().c_str()); 14333f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom EXPECT_STREQ("ExceptionHandle.java", trace_array->Get(1)->GetFileName()->ToModifiedUtf8().c_str()); 14455df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao EXPECT_STREQ("f", trace_array->Get(1)->GetMethodName()->ToModifiedUtf8().c_str()); 145ff0f9bea6355fe0c420815f9b894e6bb634fe764Shih-wei Liao EXPECT_EQ(7, trace_array->Get(1)->GetLineNumber()); 14655df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao} 14755df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 1482fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao} // namespace art 149