exception_test.cc revision 2faa5f1271587cda765f26bcf2951065300a01ff
12faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes/* 22faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Copyright (C) 2011 The Android Open Source Project 32faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 42faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 52faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * you may not use this file except in compliance with the License. 62faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * You may obtain a copy of the License at 72faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 82faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 92faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 102faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Unless required by applicable law or agreed to in writing, software 112faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 122faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * See the License for the specific language governing permissions and 142faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * limitations under the License. 152faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes */ 162fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 172fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include <sys/mman.h> 182fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 1990a3369d3b6238f1a4c9b19ca68978dab1c39bc4Elliott Hughes#include "UniquePtr.h" 202fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "assembler.h" 212fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "class_linker.h" 222fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "common_test.h" 232fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "dex_file.h" 2490a3369d3b6238f1a4c9b19ca68978dab1c39bc4Elliott Hughes#include "gtest/gtest.h" 252fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "jni_compiler.h" 262fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "runtime.h" 272fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao#include "thread.h" 282fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 292fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liaonamespace art { 302fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 31f734cf55d510976f4862b15e35fc86eae2a3daf8Brian Carlstromclass ExceptionTest : public CommonTest { 321a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao protected: 331a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao virtual void SetUp() { 341a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao CommonTest::SetUp(); 351a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao 3640381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom SirtRef<ClassLoader> class_loader(LoadDex("ExceptionHandle")); 3740381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom my_klass_ = class_linker_->FindClass("LExceptionHandle;", class_loader.get()); 381a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_TRUE(my_klass_ != NULL); 3933f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom 4033f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom dex_ = &Runtime::Current()->GetClassLinker()->FindDexFile(my_klass_->GetDexCache()); 4133f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom 423320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom for (size_t i = 0 ; i < 12; i++) { 433320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom fake_code_.push_back(0x70000000 | i); 443320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom } 453320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 463320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom fake_mapping_data_.push_back(2); // first element is count of remaining elements 473320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom fake_mapping_data_.push_back(3); // offset 3 483320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom fake_mapping_data_.push_back(3); // maps to dex offset 3 4933f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom 501a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao method_f_ = my_klass_->FindVirtualMethod("f", "()I"); 511a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_TRUE(method_f_ != NULL); 520cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers method_f_->SetFrameSizeInBytes(kStackAlignment); 533320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_f_->SetCode(CompiledMethod::CodePointer(&fake_code_[0], kThumb2)); 543320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_f_->SetMappingTable(&fake_mapping_data_[0]); 5533f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom 561a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao method_g_ = my_klass_->FindVirtualMethod("g", "(I)V"); 571a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_TRUE(method_g_ != NULL); 580cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers method_g_->SetFrameSizeInBytes(kStackAlignment); 593320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_g_->SetCode(CompiledMethod::CodePointer(&fake_code_[0], kThumb2)); 603320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_g_->SetMappingTable(&fake_mapping_data_[0]); 611a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao } 622fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 6333f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom const DexFile* dex_; 642fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 653320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom std::vector<uint8_t> fake_code_; 663320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom std::vector<uint32_t> fake_mapping_data_; 673320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 681a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao Method* method_f_; 691a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao Method* method_g_; 702fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 711a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao private: 721a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao Class* my_klass_; 731a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao}; 741a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao 751a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei LiaoTEST_F(ExceptionTest, FindCatchHandler) { 7633f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom const DexFile::CodeItem* code_item = dex_->GetCodeItem(method_f_->GetCodeItemOffset()); 772fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 782fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao ASSERT_TRUE(code_item != NULL); 792fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 802fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao ASSERT_EQ(2u, code_item->tries_size_); 81d81871cbbaa34c649e488f94f61a981db33123e5Ian Rogers ASSERT_NE(0u, code_item->insns_size_in_code_units_); 822fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 832fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao const struct DexFile::TryItem *t0, *t1; 840571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers t0 = dex_->GetTryItems(*code_item, 0); 850571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers t1 = dex_->GetTryItems(*code_item, 1); 862fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao EXPECT_LE(t0->start_addr_, t1->start_addr_); 870571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers { 880571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers CatchHandlerIterator iter(*code_item, 4 /* Dex PC in the first try block */); 890571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers EXPECT_STREQ("Ljava/io/IOException;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex())); 900571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers ASSERT_TRUE(iter.HasNext()); 910571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers iter.Next(); 920571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers EXPECT_STREQ("Ljava/lang/Exception;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex())); 930571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers ASSERT_TRUE(iter.HasNext()); 940571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers iter.Next(); 950571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers EXPECT_FALSE(iter.HasNext()); 960571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 970571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers { 980571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers CatchHandlerIterator iter(*code_item, 8 /* Dex PC in the second try block */); 990571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers EXPECT_STREQ("Ljava/io/IOException;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex())); 1000571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers ASSERT_TRUE(iter.HasNext()); 1010571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers iter.Next(); 1020571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers EXPECT_FALSE(iter.HasNext()); 1030571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 1040571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers { 1050571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers CatchHandlerIterator iter(*code_item, 11 /* Dex PC not in any try block */); 1060571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers EXPECT_FALSE(iter.HasNext()); 1070571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 1082fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao} 1092fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 11055df06be4369f5d8ab5eb61a5d22809255171036Shih-wei LiaoTEST_F(ExceptionTest, StackTraceElement) { 11125c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom runtime_->Start(); 11225c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom 1133b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes std::vector<uintptr_t> fake_stack; 1140cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers ASSERT_EQ(kStackAlignment, 16); 1150cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers ASSERT_EQ(sizeof(uintptr_t), sizeof(uint32_t)); 1160cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 117f57c47c29cd3388d1d78008a71c4e18f2217b70cIan Rogers // Create two fake stack frames with mapping data created in SetUp. We map offset 3 in the code 1181cb0a1dfc32531c79a968aeac26ccb5525862497Ian Rogers // to dex pc 3, however, we set the return pc to 5 as the stack walker always subtracts two 119f57c47c29cd3388d1d78008a71c4e18f2217b70cIan Rogers // from a return pc. 120a43cb5e8fb29989dbb986b9b91a68cda150aa3c8Elliott Hughes const uintptr_t pc_offset = 3 + 2; 121f57c47c29cd3388d1d78008a71c4e18f2217b70cIan Rogers 1220cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // Create/push fake 16byte stack frame for method g 1233b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(reinterpret_cast<uintptr_t>(method_g_)); 1243b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(0); 1253b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(0); 1263b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(reinterpret_cast<uintptr_t>(method_f_->GetCode()) + pc_offset); // return pc 1270cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 1280cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // Create/push fake 16byte stack frame for method f 1293b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(reinterpret_cast<uintptr_t>(method_f_)); 1303b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(0); 1313b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(0); 1323b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes fake_stack.push_back(0xEBAD6070); // return pc 1330cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 1340cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // Pull Method* of NULL to terminate the trace 1352e3d1b262af0839380e1d60e86d8b281943ef944Brian Carlstrom fake_stack.push_back(0); 13655df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 137bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers // Set up thread to appear as if we called out of method_g_ at pc 3 13855df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao Thread* thread = Thread::Current(); 1393b6baaa203fa63f1522b2172a1645f90412afdaeElliott Hughes thread->SetTopOfStack(&fake_stack[0], reinterpret_cast<uintptr_t>(method_g_->GetCode()) + pc_offset); // return pc 14055df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 14101158d7a57c8321370667a6045220237d16e0da8Elliott Hughes JNIEnv* env = thread->GetJniEnv(); 14201158d7a57c8321370667a6045220237d16e0da8Elliott Hughes jobject internal = thread->CreateInternalStackTrace(env); 14301158d7a57c8321370667a6045220237d16e0da8Elliott Hughes jobjectArray ste_array = Thread::InternalStackTraceToStackTraceElementArray(env, internal); 144aaa208006d7c8cc0f381c4aa9b525be24066c495Ian Rogers ObjectArray<StackTraceElement>* trace_array = 14501158d7a57c8321370667a6045220237d16e0da8Elliott Hughes Decode<ObjectArray<StackTraceElement>*>(env, ste_array); 14655df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 14755df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao ASSERT_TRUE(trace_array->Get(0) != NULL); 14833f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom EXPECT_STREQ("ExceptionHandle", 1494417536522fd2a9d8215d8672331984769c9520bShih-wei Liao trace_array->Get(0)->GetDeclaringClass()->ToModifiedUtf8().c_str()); 15033f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom EXPECT_STREQ("ExceptionHandle.java", trace_array->Get(0)->GetFileName()->ToModifiedUtf8().c_str()); 15155df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao EXPECT_STREQ("g", trace_array->Get(0)->GetMethodName()->ToModifiedUtf8().c_str()); 152ff0f9bea6355fe0c420815f9b894e6bb634fe764Shih-wei Liao EXPECT_EQ(22, trace_array->Get(0)->GetLineNumber()); 15355df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 15455df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao ASSERT_TRUE(trace_array->Get(1) != NULL); 15533f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom EXPECT_STREQ("ExceptionHandle", 1564417536522fd2a9d8215d8672331984769c9520bShih-wei Liao trace_array->Get(1)->GetDeclaringClass()->ToModifiedUtf8().c_str()); 15733f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom EXPECT_STREQ("ExceptionHandle.java", trace_array->Get(1)->GetFileName()->ToModifiedUtf8().c_str()); 15855df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao EXPECT_STREQ("f", trace_array->Get(1)->GetMethodName()->ToModifiedUtf8().c_str()); 159ff0f9bea6355fe0c420815f9b894e6bb634fe764Shih-wei Liao EXPECT_EQ(7, trace_array->Get(1)->GetLineNumber()); 16055df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao} 16155df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 1622fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao} // namespace art 163