Elliott Hughes | 2faa5f1 | 2012-01-30 14:42:07 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 16 | |
| 17 | #include <sys/mman.h> |
| 18 | |
Elliott Hughes | 90a3369 | 2011-08-30 13:27:07 -0700 | [diff] [blame] | 19 | #include "UniquePtr.h" |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 20 | #include "assembler.h" |
| 21 | #include "class_linker.h" |
| 22 | #include "common_test.h" |
| 23 | #include "dex_file.h" |
Elliott Hughes | 90a3369 | 2011-08-30 13:27:07 -0700 | [diff] [blame] | 24 | #include "gtest/gtest.h" |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 25 | #include "runtime.h" |
| 26 | #include "thread.h" |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 27 | |
| 28 | namespace art { |
| 29 | |
Brian Carlstrom | f734cf5 | 2011-08-17 16:28:14 -0700 | [diff] [blame] | 30 | class ExceptionTest : public CommonTest { |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 31 | protected: |
| 32 | virtual void SetUp() { |
| 33 | CommonTest::SetUp(); |
| 34 | |
Brian Carlstrom | 40381fb | 2011-10-19 14:13:40 -0700 | [diff] [blame] | 35 | SirtRef<ClassLoader> class_loader(LoadDex("ExceptionHandle")); |
| 36 | my_klass_ = class_linker_->FindClass("LExceptionHandle;", class_loader.get()); |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 37 | ASSERT_TRUE(my_klass_ != NULL); |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 38 | |
| 39 | dex_ = &Runtime::Current()->GetClassLinker()->FindDexFile(my_klass_->GetDexCache()); |
| 40 | |
Brian Carlstrom | f8bbb84 | 2012-03-14 03:01:42 -0700 | [diff] [blame] | 41 | uint32_t code_size = 12; |
| 42 | fake_code_.push_back((code_size >> 24) & 0xFF); |
| 43 | fake_code_.push_back((code_size >> 16) & 0xFF); |
| 44 | fake_code_.push_back((code_size >> 8) & 0xFF); |
| 45 | fake_code_.push_back((code_size >> 0) & 0xFF); |
| 46 | for (size_t i = 0 ; i < code_size; i++) { |
| 47 | fake_code_.push_back(0x70 | i); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 48 | } |
| 49 | |
| 50 | fake_mapping_data_.push_back(2); // first element is count of remaining elements |
| 51 | fake_mapping_data_.push_back(3); // offset 3 |
| 52 | fake_mapping_data_.push_back(3); // maps to dex offset 3 |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 53 | |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 54 | method_f_ = my_klass_->FindVirtualMethod("f", "()I"); |
| 55 | ASSERT_TRUE(method_f_ != NULL); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 56 | method_f_->SetFrameSizeInBytes(kStackAlignment); |
Brian Carlstrom | f8bbb84 | 2012-03-14 03:01:42 -0700 | [diff] [blame] | 57 | method_f_->SetCode(CompiledMethod::CodePointer(&fake_code_[sizeof(code_size)], kThumb2)); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 58 | method_f_->SetMappingTable(&fake_mapping_data_[0]); |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 59 | |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 60 | method_g_ = my_klass_->FindVirtualMethod("g", "(I)V"); |
| 61 | ASSERT_TRUE(method_g_ != NULL); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 62 | method_g_->SetFrameSizeInBytes(kStackAlignment); |
Brian Carlstrom | f8bbb84 | 2012-03-14 03:01:42 -0700 | [diff] [blame] | 63 | method_g_->SetCode(CompiledMethod::CodePointer(&fake_code_[sizeof(code_size)], kThumb2)); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 64 | method_g_->SetMappingTable(&fake_mapping_data_[0]); |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 65 | } |
| 66 | |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 67 | const DexFile* dex_; |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 68 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 69 | std::vector<uint8_t> fake_code_; |
| 70 | std::vector<uint32_t> fake_mapping_data_; |
| 71 | |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 72 | Method* method_f_; |
| 73 | Method* method_g_; |
| 74 | |
| 75 | private: |
| 76 | Class* my_klass_; |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 77 | }; |
| 78 | |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 79 | TEST_F(ExceptionTest, FindCatchHandler) { |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 80 | const DexFile::CodeItem* code_item = dex_->GetCodeItem(method_f_->GetCodeItemOffset()); |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 81 | |
| 82 | ASSERT_TRUE(code_item != NULL); |
| 83 | |
| 84 | ASSERT_EQ(2u, code_item->tries_size_); |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 85 | ASSERT_NE(0u, code_item->insns_size_in_code_units_); |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 86 | |
| 87 | const struct DexFile::TryItem *t0, *t1; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 88 | t0 = dex_->GetTryItems(*code_item, 0); |
| 89 | t1 = dex_->GetTryItems(*code_item, 1); |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 90 | EXPECT_LE(t0->start_addr_, t1->start_addr_); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 91 | { |
| 92 | CatchHandlerIterator iter(*code_item, 4 /* Dex PC in the first try block */); |
| 93 | EXPECT_STREQ("Ljava/io/IOException;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex())); |
| 94 | ASSERT_TRUE(iter.HasNext()); |
| 95 | iter.Next(); |
| 96 | EXPECT_STREQ("Ljava/lang/Exception;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex())); |
| 97 | ASSERT_TRUE(iter.HasNext()); |
| 98 | iter.Next(); |
| 99 | EXPECT_FALSE(iter.HasNext()); |
| 100 | } |
| 101 | { |
| 102 | CatchHandlerIterator iter(*code_item, 8 /* Dex PC in the second try block */); |
| 103 | EXPECT_STREQ("Ljava/io/IOException;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex())); |
| 104 | ASSERT_TRUE(iter.HasNext()); |
| 105 | iter.Next(); |
| 106 | EXPECT_FALSE(iter.HasNext()); |
| 107 | } |
| 108 | { |
| 109 | CatchHandlerIterator iter(*code_item, 11 /* Dex PC not in any try block */); |
| 110 | EXPECT_FALSE(iter.HasNext()); |
| 111 | } |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 112 | } |
| 113 | |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 114 | TEST_F(ExceptionTest, StackTraceElement) { |
Brian Carlstrom | 25c3325 | 2011-09-18 15:58:35 -0700 | [diff] [blame] | 115 | runtime_->Start(); |
| 116 | |
Elliott Hughes | 3b6baaa | 2011-10-14 19:13:56 -0700 | [diff] [blame] | 117 | std::vector<uintptr_t> fake_stack; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 118 | ASSERT_EQ(kStackAlignment, 16); |
| 119 | ASSERT_EQ(sizeof(uintptr_t), sizeof(uint32_t)); |
| 120 | |
Shih-wei Liao | 02f01fe | 2012-03-26 12:58:11 -0700 | [diff] [blame^] | 121 | #if !defined(ART_USE_LLVM_COMPILER) |
Ian Rogers | f57c47c | 2011-10-06 00:06:17 -0700 | [diff] [blame] | 122 | // Create two fake stack frames with mapping data created in SetUp. We map offset 3 in the code |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 123 | // to dex pc 3, however, we set the return pc to 5 as the stack walker always subtracts two |
Ian Rogers | f57c47c | 2011-10-06 00:06:17 -0700 | [diff] [blame] | 124 | // from a return pc. |
Elliott Hughes | a43cb5e | 2011-10-07 11:37:59 -0700 | [diff] [blame] | 125 | const uintptr_t pc_offset = 3 + 2; |
Ian Rogers | f57c47c | 2011-10-06 00:06:17 -0700 | [diff] [blame] | 126 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 127 | // Create/push fake 16byte stack frame for method g |
Elliott Hughes | 3b6baaa | 2011-10-14 19:13:56 -0700 | [diff] [blame] | 128 | fake_stack.push_back(reinterpret_cast<uintptr_t>(method_g_)); |
| 129 | fake_stack.push_back(0); |
| 130 | fake_stack.push_back(0); |
| 131 | fake_stack.push_back(reinterpret_cast<uintptr_t>(method_f_->GetCode()) + pc_offset); // return pc |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 132 | |
| 133 | // Create/push fake 16byte stack frame for method f |
Elliott Hughes | 3b6baaa | 2011-10-14 19:13:56 -0700 | [diff] [blame] | 134 | fake_stack.push_back(reinterpret_cast<uintptr_t>(method_f_)); |
| 135 | fake_stack.push_back(0); |
| 136 | fake_stack.push_back(0); |
| 137 | fake_stack.push_back(0xEBAD6070); // return pc |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 138 | |
| 139 | // Pull Method* of NULL to terminate the trace |
Brian Carlstrom | 2e3d1b2 | 2012-01-09 18:01:56 -0800 | [diff] [blame] | 140 | fake_stack.push_back(0); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 141 | |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 142 | // Set up thread to appear as if we called out of method_g_ at pc 3 |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 143 | Thread* thread = Thread::Current(); |
Elliott Hughes | 3b6baaa | 2011-10-14 19:13:56 -0700 | [diff] [blame] | 144 | thread->SetTopOfStack(&fake_stack[0], reinterpret_cast<uintptr_t>(method_g_->GetCode()) + pc_offset); // return pc |
Shih-wei Liao | 02f01fe | 2012-03-26 12:58:11 -0700 | [diff] [blame^] | 145 | #else |
| 146 | // Create/push fake 20-byte shadow frame for method g |
| 147 | fake_stack.push_back(0); |
| 148 | fake_stack.push_back(0); |
| 149 | fake_stack.push_back(reinterpret_cast<uintptr_t>(method_g_)); |
| 150 | fake_stack.push_back(37); |
| 151 | fake_stack.push_back(0); |
| 152 | |
| 153 | // Create/push fake 20-byte shadow frame for method f |
| 154 | fake_stack.push_back(0); |
| 155 | fake_stack.push_back(0); |
| 156 | fake_stack.push_back(reinterpret_cast<uintptr_t>(method_f_)); |
| 157 | fake_stack.push_back(22); |
| 158 | fake_stack.push_back(0); |
| 159 | |
| 160 | Thread* thread = Thread::Current(); |
| 161 | thread->PushShadowFrame(reinterpret_cast<ShadowFrame*>(&fake_stack[5])); |
| 162 | thread->PushShadowFrame(reinterpret_cast<ShadowFrame*>(&fake_stack[0])); |
| 163 | #endif |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 164 | |
Elliott Hughes | 01158d7 | 2011-09-19 19:47:10 -0700 | [diff] [blame] | 165 | JNIEnv* env = thread->GetJniEnv(); |
| 166 | jobject internal = thread->CreateInternalStackTrace(env); |
Brian Carlstrom | 2673644 | 2012-02-16 18:24:26 -0800 | [diff] [blame] | 167 | ASSERT_TRUE(internal != NULL); |
Elliott Hughes | 01158d7 | 2011-09-19 19:47:10 -0700 | [diff] [blame] | 168 | jobjectArray ste_array = Thread::InternalStackTraceToStackTraceElementArray(env, internal); |
Brian Carlstrom | 2673644 | 2012-02-16 18:24:26 -0800 | [diff] [blame] | 169 | ASSERT_TRUE(ste_array != NULL); |
Ian Rogers | aaa2080 | 2011-09-11 21:47:37 -0700 | [diff] [blame] | 170 | ObjectArray<StackTraceElement>* trace_array = |
Elliott Hughes | 01158d7 | 2011-09-19 19:47:10 -0700 | [diff] [blame] | 171 | Decode<ObjectArray<StackTraceElement>*>(env, ste_array); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 172 | |
Brian Carlstrom | 2673644 | 2012-02-16 18:24:26 -0800 | [diff] [blame] | 173 | ASSERT_TRUE(trace_array != NULL); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 174 | ASSERT_TRUE(trace_array->Get(0) != NULL); |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 175 | EXPECT_STREQ("ExceptionHandle", |
Shih-wei Liao | 4417536 | 2011-08-28 16:59:17 -0700 | [diff] [blame] | 176 | trace_array->Get(0)->GetDeclaringClass()->ToModifiedUtf8().c_str()); |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 177 | EXPECT_STREQ("ExceptionHandle.java", trace_array->Get(0)->GetFileName()->ToModifiedUtf8().c_str()); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 178 | EXPECT_STREQ("g", trace_array->Get(0)->GetMethodName()->ToModifiedUtf8().c_str()); |
Brian Carlstrom | 06ed739 | 2012-01-31 01:25:48 -0800 | [diff] [blame] | 179 | EXPECT_EQ(37, trace_array->Get(0)->GetLineNumber()); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 180 | |
| 181 | ASSERT_TRUE(trace_array->Get(1) != NULL); |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 182 | EXPECT_STREQ("ExceptionHandle", |
Shih-wei Liao | 4417536 | 2011-08-28 16:59:17 -0700 | [diff] [blame] | 183 | trace_array->Get(1)->GetDeclaringClass()->ToModifiedUtf8().c_str()); |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 184 | EXPECT_STREQ("ExceptionHandle.java", trace_array->Get(1)->GetFileName()->ToModifiedUtf8().c_str()); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 185 | EXPECT_STREQ("f", trace_array->Get(1)->GetMethodName()->ToModifiedUtf8().c_str()); |
Brian Carlstrom | 06ed739 | 2012-01-31 01:25:48 -0800 | [diff] [blame] | 186 | EXPECT_EQ(22, trace_array->Get(1)->GetLineNumber()); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 187 | } |
| 188 | |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 189 | } // namespace art |