exception_test.cc revision 3320cf46afd082398aa401b246e6f301cebdf64d
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 2233f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom const ClassLoader* class_loader = LoadDex("ExceptionHandle"); 2333f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom my_klass_ = class_linker_->FindClass("LExceptionHandle;", class_loader); 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_->SetReturnPcOffsetInBytes(kStackAlignment - kPointerSize); 403320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_f_->SetCode(CompiledMethod::CodePointer(&fake_code_[0], kThumb2)); 413320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_f_->SetMappingTable(&fake_mapping_data_[0]); 4233f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom 431a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao method_g_ = my_klass_->FindVirtualMethod("g", "(I)V"); 441a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_TRUE(method_g_ != NULL); 450cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers method_g_->SetFrameSizeInBytes(kStackAlignment); 463320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_g_->SetReturnPcOffsetInBytes(kStackAlignment - kPointerSize); 473320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_g_->SetCode(CompiledMethod::CodePointer(&fake_code_[0], kThumb2)); 483320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom method_g_->SetMappingTable(&fake_mapping_data_[0]); 491a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao } 502fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 5133f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom const DexFile* dex_; 522fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 533320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom std::vector<uint8_t> fake_code_; 543320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom std::vector<uint32_t> fake_mapping_data_; 553320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 561a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao Method* method_f_; 571a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao Method* method_g_; 582fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 591a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao private: 601a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao Class* my_klass_; 611a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao}; 621a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao 631a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei LiaoTEST_F(ExceptionTest, FindCatchHandler) { 6433f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom const DexFile::CodeItem* code_item = dex_->GetCodeItem(method_f_->GetCodeItemOffset()); 652fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 662fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao ASSERT_TRUE(code_item != NULL); 672fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 682fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao ASSERT_EQ(2u, code_item->tries_size_); 692fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao ASSERT_NE(0u, code_item->insns_size_); 702fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 712fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao const struct DexFile::TryItem *t0, *t1; 721a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao t0 = dex_->dexGetTryItems(*code_item, 0); 731a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao t1 = dex_->dexGetTryItems(*code_item, 1); 742fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao EXPECT_LE(t0->start_addr_, t1->start_addr_); 752fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 762fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao DexFile::CatchHandlerIterator iter = 771a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao dex_->dexFindCatchHandler(*code_item, 4 /* Dex PC in the first try block */); 781a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_EQ(false, iter.HasNext()); 791a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao EXPECT_STREQ("Ljava/io/IOException;", dex_->dexStringByTypeIdx(iter.Get().type_idx_)); 802fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao iter.Next(); 811a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_EQ(false, iter.HasNext()); 821a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao EXPECT_STREQ("Ljava/lang/Exception;", dex_->dexStringByTypeIdx(iter.Get().type_idx_)); 832fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao iter.Next(); 841a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_EQ(true, iter.HasNext()); 852fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 861a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao iter = dex_->dexFindCatchHandler(*code_item, 8 /* Dex PC in the second try block */); 871a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_EQ(false, iter.HasNext()); 881a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao EXPECT_STREQ("Ljava/io/IOException;", dex_->dexStringByTypeIdx(iter.Get().type_idx_)); 892fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao iter.Next(); 901a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_EQ(true, iter.HasNext()); 911a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao 921a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao iter = dex_->dexFindCatchHandler(*code_item, 11 /* Dex PC not in any try block */); 931a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao ASSERT_EQ(true, iter.HasNext()); 942fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao} 952fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao 9655df06be4369f5d8ab5eb61a5d22809255171036Shih-wei LiaoTEST_F(ExceptionTest, StackTraceElement) { 9725c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom runtime_->Start(); 9825c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom 9955df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao enum {STACK_SIZE = 1000}; 10055df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao uint32_t top_of_stack = 0; 10155df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao uintptr_t fake_stack[STACK_SIZE]; 1020cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers ASSERT_EQ(kStackAlignment, 16); 1030cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers ASSERT_EQ(sizeof(uintptr_t), sizeof(uint32_t)); 1040cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 105f57c47c29cd3388d1d78008a71c4e18f2217b70cIan Rogers // Create two fake stack frames with mapping data created in SetUp. We map offset 3 in the code 1061cb0a1dfc32531c79a968aeac26ccb5525862497Ian Rogers // to dex pc 3, however, we set the return pc to 5 as the stack walker always subtracts two 107f57c47c29cd3388d1d78008a71c4e18f2217b70cIan Rogers // from a return pc. 108f57c47c29cd3388d1d78008a71c4e18f2217b70cIan Rogers 1090cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // Create/push fake 16byte stack frame for method g 11055df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao fake_stack[top_of_stack++] = reinterpret_cast<uintptr_t>(method_g_); 1110cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers fake_stack[top_of_stack++] = 0; 1120cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers fake_stack[top_of_stack++] = 0; 113f57c47c29cd3388d1d78008a71c4e18f2217b70cIan Rogers fake_stack[top_of_stack++] = reinterpret_cast<uintptr_t>(method_f_->GetCode()) + 5; // return pc 1140cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 1150cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // Create/push fake 16byte stack frame for method f 11655df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao fake_stack[top_of_stack++] = reinterpret_cast<uintptr_t>(method_f_); 1179b576b4ed1dbe035952f3106d8f4b6993125ed6fShih-wei Liao fake_stack[top_of_stack++] = 0; 1180cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers fake_stack[top_of_stack++] = 0; 119bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers fake_stack[top_of_stack++] = 0xEBAD6070; // return pc 1200cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 1210cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // Pull Method* of NULL to terminate the trace 1220cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers fake_stack[top_of_stack++] = NULL; 12355df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 124bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers // Set up thread to appear as if we called out of method_g_ at pc 3 12555df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao Thread* thread = Thread::Current(); 126bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers thread->SetTopOfStack(fake_stack, reinterpret_cast<uintptr_t>(method_g_->GetCode()) + 3); 12755df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 12801158d7a57c8321370667a6045220237d16e0da8Elliott Hughes JNIEnv* env = thread->GetJniEnv(); 12901158d7a57c8321370667a6045220237d16e0da8Elliott Hughes jobject internal = thread->CreateInternalStackTrace(env); 13001158d7a57c8321370667a6045220237d16e0da8Elliott Hughes jobjectArray ste_array = Thread::InternalStackTraceToStackTraceElementArray(env, internal); 131aaa208006d7c8cc0f381c4aa9b525be24066c495Ian Rogers ObjectArray<StackTraceElement>* trace_array = 13201158d7a57c8321370667a6045220237d16e0da8Elliott Hughes Decode<ObjectArray<StackTraceElement>*>(env, ste_array); 13355df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 13455df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao ASSERT_TRUE(trace_array->Get(0) != NULL); 13533f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom EXPECT_STREQ("ExceptionHandle", 1364417536522fd2a9d8215d8672331984769c9520bShih-wei Liao trace_array->Get(0)->GetDeclaringClass()->ToModifiedUtf8().c_str()); 13733f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom EXPECT_STREQ("ExceptionHandle.java", trace_array->Get(0)->GetFileName()->ToModifiedUtf8().c_str()); 13855df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao EXPECT_STREQ("g", trace_array->Get(0)->GetMethodName()->ToModifiedUtf8().c_str()); 139ff0f9bea6355fe0c420815f9b894e6bb634fe764Shih-wei Liao EXPECT_EQ(22, trace_array->Get(0)->GetLineNumber()); 14055df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 14155df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao ASSERT_TRUE(trace_array->Get(1) != NULL); 14233f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom EXPECT_STREQ("ExceptionHandle", 1434417536522fd2a9d8215d8672331984769c9520bShih-wei Liao trace_array->Get(1)->GetDeclaringClass()->ToModifiedUtf8().c_str()); 14433f741eefef8f8012f6c190b39355f2e0430d535Brian Carlstrom EXPECT_STREQ("ExceptionHandle.java", trace_array->Get(1)->GetFileName()->ToModifiedUtf8().c_str()); 14555df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao EXPECT_STREQ("f", trace_array->Get(1)->GetMethodName()->ToModifiedUtf8().c_str()); 146ff0f9bea6355fe0c420815f9b894e6bb634fe764Shih-wei Liao EXPECT_EQ(7, trace_array->Get(1)->GetLineNumber()); 14755df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao} 14855df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 1492fb9753c58ce1a511fd6996856840120eb2930dbShih-wei Liao} // namespace art 150