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Elliott Hughes2faa5f12012-01-30 14:42:07 -08001/*
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 Liao2fb97532011-08-11 16:17:23 -070016
Shih-wei Liao2fb97532011-08-11 16:17:23 -070017#include "class_linker.h"
18#include "common_test.h"
19#include "dex_file.h"
Elliott Hughes90a33692011-08-30 13:27:07 -070020#include "gtest/gtest.h"
Ian Rogers1809a722013-08-09 22:05:32 -070021#include "leb128_encoder.h"
Ian Rogers4f6ad8a2013-03-18 15:27:28 -070022#include "mirror/class-inl.h"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080023#include "mirror/object_array-inl.h"
Ian Rogers04d7aa92013-03-16 14:29:17 -070024#include "mirror/object-inl.h"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080025#include "mirror/stack_trace_element.h"
Shih-wei Liao2fb97532011-08-11 16:17:23 -070026#include "runtime.h"
Ian Rogers00f7d0e2012-07-19 15:28:27 -070027#include "scoped_thread_state_change.h"
Ian Rogers1f539342012-10-03 21:09:42 -070028#include "sirt_ref.h"
Shih-wei Liao2fb97532011-08-11 16:17:23 -070029#include "thread.h"
Elliott Hughesa168c832012-06-12 15:34:20 -070030#include "UniquePtr.h"
Shih-wei Liao2fb97532011-08-11 16:17:23 -070031
32namespace art {
33
Brian Carlstromf734cf52011-08-17 16:28:14 -070034class ExceptionTest : public CommonTest {
Shih-wei Liao1a18c8c2011-08-14 17:47:36 -070035 protected:
36 virtual void SetUp() {
37 CommonTest::SetUp();
38
Ian Rogers00f7d0e2012-07-19 15:28:27 -070039 ScopedObjectAccess soa(Thread::Current());
Mathieu Chartierc528dba2013-11-26 12:00:11 -080040 SirtRef<mirror::ClassLoader> class_loader(
41 soa.Self(), soa.Decode<mirror::ClassLoader*>(LoadDex("ExceptionHandle")));
Ian Rogers98379392014-02-24 16:53:16 -080042 my_klass_ = class_linker_->FindClass(soa.Self(), "LExceptionHandle;", class_loader);
Shih-wei Liao1a18c8c2011-08-14 17:47:36 -070043 ASSERT_TRUE(my_klass_ != NULL);
Mathieu Chartierc528dba2013-11-26 12:00:11 -080044 SirtRef<mirror::Class> sirt_klass(soa.Self(), my_klass_);
45 class_linker_->EnsureInitialized(sirt_klass, true, true);
46 my_klass_ = sirt_klass.get();
Brian Carlstrom33f741e2011-10-03 11:24:05 -070047
Ian Rogers4445a7e2012-10-05 17:19:13 -070048 dex_ = my_klass_->GetDexCache()->GetDexFile();
Brian Carlstrom33f741e2011-10-03 11:24:05 -070049
Brian Carlstromf8bbb842012-03-14 03:01:42 -070050 uint32_t code_size = 12;
51 fake_code_.push_back((code_size >> 24) & 0xFF);
52 fake_code_.push_back((code_size >> 16) & 0xFF);
53 fake_code_.push_back((code_size >> 8) & 0xFF);
54 fake_code_.push_back((code_size >> 0) & 0xFF);
55 for (size_t i = 0 ; i < code_size; i++) {
56 fake_code_.push_back(0x70 | i);
Brian Carlstrom3320cf42011-10-04 14:58:28 -070057 }
58
Vladimir Marko1e6cb632013-11-28 16:27:29 +000059 fake_mapping_data_.PushBackUnsigned(4); // first element is count
60 fake_mapping_data_.PushBackUnsigned(4); // total (non-length) elements
61 fake_mapping_data_.PushBackUnsigned(2); // count of pc to dex elements
Bill Buzbeea5b30242012-09-28 07:19:44 -070062 // --- pc to dex table
Vladimir Marko1e6cb632013-11-28 16:27:29 +000063 fake_mapping_data_.PushBackUnsigned(3 - 0); // offset 3
64 fake_mapping_data_.PushBackSigned(3 - 0); // maps to dex offset 3
Bill Buzbeea5b30242012-09-28 07:19:44 -070065 // --- dex to pc table
Vladimir Marko1e6cb632013-11-28 16:27:29 +000066 fake_mapping_data_.PushBackUnsigned(3 - 0); // offset 3
67 fake_mapping_data_.PushBackSigned(3 - 0); // maps to dex offset 3
Brian Carlstrom33f741e2011-10-03 11:24:05 -070068
Vladimir Marko1e6cb632013-11-28 16:27:29 +000069 fake_vmap_table_data_.PushBackUnsigned(0);
Mathieu Chartier342a2622012-06-28 12:04:52 -070070
Ian Rogers5a6220c2012-09-24 10:52:10 -070071 fake_gc_map_.push_back(0); // 0 bytes to encode references and native pc offsets.
72 fake_gc_map_.push_back(0);
73 fake_gc_map_.push_back(0); // 0 entries.
74 fake_gc_map_.push_back(0);
75
Shih-wei Liao1a18c8c2011-08-14 17:47:36 -070076 method_f_ = my_klass_->FindVirtualMethod("f", "()I");
77 ASSERT_TRUE(method_f_ != NULL);
Ian Rogers0cfe1fb2011-08-26 03:29:44 -070078 method_f_->SetFrameSizeInBytes(kStackAlignment);
Ian Rogersef7d42f2014-01-06 12:55:46 -080079 method_f_->SetEntryPointFromQuickCompiledCode(CompiledMethod::CodePointer(&fake_code_[sizeof(code_size)], kThumb2));
Ian Rogers1809a722013-08-09 22:05:32 -070080 method_f_->SetMappingTable(&fake_mapping_data_.GetData()[0]);
81 method_f_->SetVmapTable(&fake_vmap_table_data_.GetData()[0]);
Ian Rogers5a6220c2012-09-24 10:52:10 -070082 method_f_->SetNativeGcMap(&fake_gc_map_[0]);
Brian Carlstrom33f741e2011-10-03 11:24:05 -070083
Shih-wei Liao1a18c8c2011-08-14 17:47:36 -070084 method_g_ = my_klass_->FindVirtualMethod("g", "(I)V");
85 ASSERT_TRUE(method_g_ != NULL);
Ian Rogers0cfe1fb2011-08-26 03:29:44 -070086 method_g_->SetFrameSizeInBytes(kStackAlignment);
Ian Rogersef7d42f2014-01-06 12:55:46 -080087 method_g_->SetEntryPointFromQuickCompiledCode(CompiledMethod::CodePointer(&fake_code_[sizeof(code_size)], kThumb2));
Ian Rogers1809a722013-08-09 22:05:32 -070088 method_g_->SetMappingTable(&fake_mapping_data_.GetData()[0]);
89 method_g_->SetVmapTable(&fake_vmap_table_data_.GetData()[0]);
Ian Rogers5a6220c2012-09-24 10:52:10 -070090 method_g_->SetNativeGcMap(&fake_gc_map_[0]);
Shih-wei Liao1a18c8c2011-08-14 17:47:36 -070091 }
92
Brian Carlstrom33f741e2011-10-03 11:24:05 -070093 const DexFile* dex_;
Shih-wei Liao1a18c8c2011-08-14 17:47:36 -070094
Brian Carlstrom3320cf42011-10-04 14:58:28 -070095 std::vector<uint8_t> fake_code_;
Vladimir Marko1e6cb632013-11-28 16:27:29 +000096 Leb128EncodingVector fake_mapping_data_;
97 Leb128EncodingVector fake_vmap_table_data_;
Ian Rogers5a6220c2012-09-24 10:52:10 -070098 std::vector<uint8_t> fake_gc_map_;
Brian Carlstrom3320cf42011-10-04 14:58:28 -070099
Brian Carlstromea46f952013-07-30 01:26:50 -0700100 mirror::ArtMethod* method_f_;
101 mirror::ArtMethod* method_g_;
Shih-wei Liao1a18c8c2011-08-14 17:47:36 -0700102
103 private:
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800104 mirror::Class* my_klass_;
Shih-wei Liao2fb97532011-08-11 16:17:23 -0700105};
106
Shih-wei Liao1a18c8c2011-08-14 17:47:36 -0700107TEST_F(ExceptionTest, FindCatchHandler) {
Ian Rogersef7d42f2014-01-06 12:55:46 -0800108 ScopedObjectAccess soa(Thread::Current());
Brian Carlstrom33f741e2011-10-03 11:24:05 -0700109 const DexFile::CodeItem* code_item = dex_->GetCodeItem(method_f_->GetCodeItemOffset());
Shih-wei Liao2fb97532011-08-11 16:17:23 -0700110
111 ASSERT_TRUE(code_item != NULL);
112
113 ASSERT_EQ(2u, code_item->tries_size_);
Ian Rogersd81871c2011-10-03 13:57:23 -0700114 ASSERT_NE(0u, code_item->insns_size_in_code_units_);
Shih-wei Liao2fb97532011-08-11 16:17:23 -0700115
Elliott Hughes7b9d9962012-04-20 18:48:18 -0700116 const DexFile::TryItem *t0, *t1;
Ian Rogers0571d352011-11-03 19:51:38 -0700117 t0 = dex_->GetTryItems(*code_item, 0);
118 t1 = dex_->GetTryItems(*code_item, 1);
Shih-wei Liao2fb97532011-08-11 16:17:23 -0700119 EXPECT_LE(t0->start_addr_, t1->start_addr_);
Ian Rogers0571d352011-11-03 19:51:38 -0700120 {
121 CatchHandlerIterator iter(*code_item, 4 /* Dex PC in the first try block */);
122 EXPECT_STREQ("Ljava/io/IOException;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex()));
123 ASSERT_TRUE(iter.HasNext());
124 iter.Next();
125 EXPECT_STREQ("Ljava/lang/Exception;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex()));
126 ASSERT_TRUE(iter.HasNext());
127 iter.Next();
128 EXPECT_FALSE(iter.HasNext());
129 }
130 {
131 CatchHandlerIterator iter(*code_item, 8 /* Dex PC in the second try block */);
132 EXPECT_STREQ("Ljava/io/IOException;", dex_->StringByTypeIdx(iter.GetHandlerTypeIndex()));
133 ASSERT_TRUE(iter.HasNext());
134 iter.Next();
135 EXPECT_FALSE(iter.HasNext());
136 }
137 {
138 CatchHandlerIterator iter(*code_item, 11 /* Dex PC not in any try block */);
139 EXPECT_FALSE(iter.HasNext());
140 }
Shih-wei Liao2fb97532011-08-11 16:17:23 -0700141}
142
Shih-wei Liao55df06b2011-08-26 14:39:27 -0700143TEST_F(ExceptionTest, StackTraceElement) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700144 Thread* thread = Thread::Current();
Ian Rogers0fb6bb52012-08-14 15:10:19 -0700145 thread->TransitionFromSuspendedToRunnable();
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700146 bool started = runtime_->Start();
147 CHECK(started);
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700148 JNIEnv* env = thread->GetJniEnv();
149 ScopedObjectAccess soa(env);
Brian Carlstrom25c33252011-09-18 15:58:35 -0700150
Elliott Hughes3b6baaa2011-10-14 19:13:56 -0700151 std::vector<uintptr_t> fake_stack;
Brian Carlstromba150c32013-08-27 17:31:03 -0700152 ASSERT_EQ(kStackAlignment, 16U);
Ian Rogers0cfe1fb2011-08-26 03:29:44 -0700153 ASSERT_EQ(sizeof(uintptr_t), sizeof(uint32_t));
154
Ian Rogersef7d42f2014-01-06 12:55:46 -0800155 if (!kUsePortableCompiler) {
156 // Create two fake stack frames with mapping data created in SetUp. We map offset 3 in the code
157 // to dex pc 3.
158 const uint32_t dex_pc = 3;
Ian Rogersf57c47c2011-10-06 00:06:17 -0700159
Ian Rogersef7d42f2014-01-06 12:55:46 -0800160 // Create/push fake 16byte stack frame for method g
161 fake_stack.push_back(reinterpret_cast<uintptr_t>(method_g_));
162 fake_stack.push_back(0);
163 fake_stack.push_back(0);
164 fake_stack.push_back(method_f_->ToNativePc(dex_pc)); // return pc
Ian Rogers0cfe1fb2011-08-26 03:29:44 -0700165
Ian Rogersef7d42f2014-01-06 12:55:46 -0800166 // Create/push fake 16byte stack frame for method f
167 fake_stack.push_back(reinterpret_cast<uintptr_t>(method_f_));
168 fake_stack.push_back(0);
169 fake_stack.push_back(0);
170 fake_stack.push_back(0xEBAD6070); // return pc
Ian Rogers0cfe1fb2011-08-26 03:29:44 -0700171
Ian Rogersef7d42f2014-01-06 12:55:46 -0800172 // Pull Method* of NULL to terminate the trace
173 fake_stack.push_back(0);
Shih-wei Liao55df06b2011-08-26 14:39:27 -0700174
Ian Rogersef7d42f2014-01-06 12:55:46 -0800175 // Push null values which will become null incoming arguments.
176 fake_stack.push_back(0);
177 fake_stack.push_back(0);
178 fake_stack.push_back(0);
Mathieu Chartier342a2622012-06-28 12:04:52 -0700179
Ian Rogersef7d42f2014-01-06 12:55:46 -0800180 // Set up thread to appear as if we called out of method_g_ at pc dex 3
181 thread->SetTopOfStack(&fake_stack[0], method_g_->ToNativePc(dex_pc)); // return pc
182 } else {
183 // Create/push fake 20-byte shadow frame for method g
184 fake_stack.push_back(0);
185 fake_stack.push_back(0);
186 fake_stack.push_back(reinterpret_cast<uintptr_t>(method_g_));
187 fake_stack.push_back(3);
188 fake_stack.push_back(0);
Shih-wei Liao02f01fe2012-03-26 12:58:11 -0700189
Ian Rogersef7d42f2014-01-06 12:55:46 -0800190 // Create/push fake 20-byte shadow frame for method f
191 fake_stack.push_back(0);
192 fake_stack.push_back(0);
193 fake_stack.push_back(reinterpret_cast<uintptr_t>(method_f_));
194 fake_stack.push_back(3);
195 fake_stack.push_back(0);
Shih-wei Liao02f01fe2012-03-26 12:58:11 -0700196
Ian Rogersef7d42f2014-01-06 12:55:46 -0800197 thread->PushShadowFrame(reinterpret_cast<ShadowFrame*>(&fake_stack[5]));
198 thread->PushShadowFrame(reinterpret_cast<ShadowFrame*>(&fake_stack[0]));
199 }
Shih-wei Liao55df06b2011-08-26 14:39:27 -0700200
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700201 jobject internal = thread->CreateInternalStackTrace(soa);
Brian Carlstrom26736442012-02-16 18:24:26 -0800202 ASSERT_TRUE(internal != NULL);
Elliott Hughes01158d72011-09-19 19:47:10 -0700203 jobjectArray ste_array = Thread::InternalStackTraceToStackTraceElementArray(env, internal);
Brian Carlstrom26736442012-02-16 18:24:26 -0800204 ASSERT_TRUE(ste_array != NULL);
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800205 mirror::ObjectArray<mirror::StackTraceElement>* trace_array =
206 soa.Decode<mirror::ObjectArray<mirror::StackTraceElement>*>(ste_array);
Shih-wei Liao55df06b2011-08-26 14:39:27 -0700207
Brian Carlstrom26736442012-02-16 18:24:26 -0800208 ASSERT_TRUE(trace_array != NULL);
Shih-wei Liao55df06b2011-08-26 14:39:27 -0700209 ASSERT_TRUE(trace_array->Get(0) != NULL);
Brian Carlstrom33f741e2011-10-03 11:24:05 -0700210 EXPECT_STREQ("ExceptionHandle",
Shih-wei Liao44175362011-08-28 16:59:17 -0700211 trace_array->Get(0)->GetDeclaringClass()->ToModifiedUtf8().c_str());
Brian Carlstrom33f741e2011-10-03 11:24:05 -0700212 EXPECT_STREQ("ExceptionHandle.java", trace_array->Get(0)->GetFileName()->ToModifiedUtf8().c_str());
Shih-wei Liao55df06b2011-08-26 14:39:27 -0700213 EXPECT_STREQ("g", trace_array->Get(0)->GetMethodName()->ToModifiedUtf8().c_str());
Brian Carlstrom06ed7392012-01-31 01:25:48 -0800214 EXPECT_EQ(37, trace_array->Get(0)->GetLineNumber());
Shih-wei Liao55df06b2011-08-26 14:39:27 -0700215
216 ASSERT_TRUE(trace_array->Get(1) != NULL);
Brian Carlstrom33f741e2011-10-03 11:24:05 -0700217 EXPECT_STREQ("ExceptionHandle",
Shih-wei Liao44175362011-08-28 16:59:17 -0700218 trace_array->Get(1)->GetDeclaringClass()->ToModifiedUtf8().c_str());
Brian Carlstrom33f741e2011-10-03 11:24:05 -0700219 EXPECT_STREQ("ExceptionHandle.java", trace_array->Get(1)->GetFileName()->ToModifiedUtf8().c_str());
Shih-wei Liao55df06b2011-08-26 14:39:27 -0700220 EXPECT_STREQ("f", trace_array->Get(1)->GetMethodName()->ToModifiedUtf8().c_str());
Brian Carlstrom06ed7392012-01-31 01:25:48 -0800221 EXPECT_EQ(22, trace_array->Get(1)->GetLineNumber());
Elliott Hughesa43e0932012-03-27 18:35:33 -0700222
Ian Rogersc928de92013-02-27 14:30:44 -0800223#if !defined(ART_USE_PORTABLE_COMPILER)
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700224 thread->SetTopOfStack(NULL, 0); // Disarm the assertion that no code is running when we detach.
Ian Rogers0399dde2012-06-06 17:09:28 -0700225#else
226 thread->PopShadowFrame();
227 thread->PopShadowFrame();
Elliott Hughesa43e0932012-03-27 18:35:33 -0700228#endif
Shih-wei Liao55df06b2011-08-26 14:39:27 -0700229}
230
Shih-wei Liao2fb97532011-08-11 16:17:23 -0700231} // namespace art