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| 1 // Copyright 2014 The Crashpad Authors. All rights reserved. | 1 // Copyright 2014 The Crashpad Authors. All rights reserved. |
| 2 // | 2 // |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
| 5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
| 6 // | 6 // |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 // | 8 // |
| 9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
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| 94 mach_msg_type_number_t old_state_count, | 94 mach_msg_type_number_t old_state_count, |
| 95 thread_state_t new_state, | 95 thread_state_t new_state, |
| 96 mach_msg_type_number_t* new_state_count, | 96 mach_msg_type_number_t* new_state_count, |
| 97 const mach_msg_trailer_t* trailer, | 97 const mach_msg_trailer_t* trailer, |
| 98 bool* destroy_complex_request) override { | 98 bool* destroy_complex_request) override { |
| 99 *destroy_complex_request = true; | 99 *destroy_complex_request = true; |
| 100 | 100 |
| 101 // Check the entire exception message, because most or all of it was | 101 // Check the entire exception message, because most or all of it was |
| 102 // generated by SimulateCrash() instead of the kernel. | 102 // generated by SimulateCrash() instead of the kernel. |
| 103 | 103 |
| 104 EXPECT_EQ(behavior_, behavior); | 104 EXPECT_EQ(behavior, behavior_); |
| 105 EXPECT_EQ(LocalPort(), exception_port); | 105 EXPECT_EQ(exception_port, LocalPort()); |
| 106 if (ExceptionBehaviorHasIdentity(behavior)) { | 106 if (ExceptionBehaviorHasIdentity(behavior)) { |
| 107 EXPECT_NE(THREAD_NULL, thread); | 107 EXPECT_NE(thread, THREAD_NULL); |
| 108 EXPECT_EQ(ChildTask(), task); | 108 EXPECT_EQ(task, ChildTask()); |
| 109 } else { | 109 } else { |
| 110 EXPECT_EQ(THREAD_NULL, thread); | 110 EXPECT_EQ(thread, THREAD_NULL); |
| 111 EXPECT_EQ(TASK_NULL, task); | 111 EXPECT_EQ(task, TASK_NULL); |
| 112 } | 112 } |
| 113 EXPECT_EQ(kMachExceptionSimulated, exception); | 113 EXPECT_EQ(exception, kMachExceptionSimulated); |
| 114 EXPECT_EQ(2u, code_count); | 114 EXPECT_EQ(code_count, 2u); |
| 115 if (code_count >= 1) { | 115 if (code_count >= 1) { |
| 116 EXPECT_EQ(0, code[0]); | 116 EXPECT_EQ(code[0], 0); |
| 117 } | 117 } |
| 118 if (code_count >= 2) { | 118 if (code_count >= 2) { |
| 119 EXPECT_EQ(0, code[1]); | 119 EXPECT_EQ(code[1], 0); |
| 120 } | 120 } |
| 121 if (!ExceptionBehaviorHasState(behavior)) { | 121 if (!ExceptionBehaviorHasState(behavior)) { |
| 122 EXPECT_EQ(THREAD_STATE_NONE, *flavor); | 122 EXPECT_EQ(*flavor, THREAD_STATE_NONE); |
| 123 } else { | 123 } else { |
| 124 EXPECT_EQ(flavor_, *flavor); | 124 EXPECT_EQ(*flavor, flavor_); |
| 125 switch (*flavor) { | 125 switch (*flavor) { |
| 126 #if defined(ARCH_CPU_X86_FAMILY) | 126 #if defined(ARCH_CPU_X86_FAMILY) |
| 127 case x86_THREAD_STATE: { | 127 case x86_THREAD_STATE: { |
| 128 EXPECT_EQ(x86_THREAD_STATE_COUNT, old_state_count); | 128 EXPECT_EQ(old_state_count, x86_THREAD_STATE_COUNT); |
| 129 const x86_thread_state* state = | 129 const x86_thread_state* state = |
| 130 reinterpret_cast<const x86_thread_state*>(old_state); | 130 reinterpret_cast<const x86_thread_state*>(old_state); |
| 131 switch (state->tsh.flavor) { | 131 switch (state->tsh.flavor) { |
| 132 case x86_THREAD_STATE32: | 132 case x86_THREAD_STATE32: |
| 133 EXPECT_EQ(implicit_cast<int>(x86_THREAD_STATE32_COUNT), | 133 EXPECT_EQ(state->tsh.count, |
| 134 state->tsh.count); | 134 implicit_cast<int>(x86_THREAD_STATE32_COUNT)); |
| 135 break; | 135 break; |
| 136 case x86_THREAD_STATE64: | 136 case x86_THREAD_STATE64: |
| 137 EXPECT_EQ(implicit_cast<int>(x86_THREAD_STATE64_COUNT), | 137 EXPECT_EQ(state->tsh.count, |
| 138 state->tsh.count); | 138 implicit_cast<int>(x86_THREAD_STATE64_COUNT)); |
| 139 break; | 139 break; |
| 140 default: | 140 default: |
| 141 ADD_FAILURE() << "unexpected tsh.flavor " << state->tsh.flavor; | 141 ADD_FAILURE() << "unexpected tsh.flavor " << state->tsh.flavor; |
| 142 break; | 142 break; |
| 143 } | 143 } |
| 144 break; | 144 break; |
| 145 } | 145 } |
| 146 case x86_FLOAT_STATE: { | 146 case x86_FLOAT_STATE: { |
| 147 EXPECT_EQ(x86_FLOAT_STATE_COUNT, old_state_count); | 147 EXPECT_EQ(old_state_count, x86_FLOAT_STATE_COUNT); |
| 148 const x86_float_state* state = | 148 const x86_float_state* state = |
| 149 reinterpret_cast<const x86_float_state*>(old_state); | 149 reinterpret_cast<const x86_float_state*>(old_state); |
| 150 switch (state->fsh.flavor) { | 150 switch (state->fsh.flavor) { |
| 151 case x86_FLOAT_STATE32: | 151 case x86_FLOAT_STATE32: |
| 152 EXPECT_EQ(implicit_cast<int>(x86_FLOAT_STATE32_COUNT), | 152 EXPECT_EQ(state->fsh.count, |
| 153 state->fsh.count); | 153 implicit_cast<int>(x86_FLOAT_STATE32_COUNT)); |
| 154 break; | 154 break; |
| 155 case x86_FLOAT_STATE64: | 155 case x86_FLOAT_STATE64: |
| 156 EXPECT_EQ(implicit_cast<int>(x86_FLOAT_STATE64_COUNT), | 156 EXPECT_EQ(state->fsh.count, |
| 157 state->fsh.count); | 157 implicit_cast<int>(x86_FLOAT_STATE64_COUNT)); |
| 158 break; | 158 break; |
| 159 default: | 159 default: |
| 160 ADD_FAILURE() << "unexpected fsh.flavor " << state->fsh.flavor; | 160 ADD_FAILURE() << "unexpected fsh.flavor " << state->fsh.flavor; |
| 161 break; | 161 break; |
| 162 } | 162 } |
| 163 break; | 163 break; |
| 164 } | 164 } |
| 165 case x86_DEBUG_STATE: { | 165 case x86_DEBUG_STATE: { |
| 166 EXPECT_EQ(x86_DEBUG_STATE_COUNT, old_state_count); | 166 EXPECT_EQ(old_state_count, x86_DEBUG_STATE_COUNT); |
| 167 const x86_debug_state* state = | 167 const x86_debug_state* state = |
| 168 reinterpret_cast<const x86_debug_state*>(old_state); | 168 reinterpret_cast<const x86_debug_state*>(old_state); |
| 169 switch (state->dsh.flavor) { | 169 switch (state->dsh.flavor) { |
| 170 case x86_DEBUG_STATE32: | 170 case x86_DEBUG_STATE32: |
| 171 EXPECT_EQ(implicit_cast<int>(x86_DEBUG_STATE32_COUNT), | 171 EXPECT_EQ(state->dsh.count, |
| 172 state->dsh.count); | 172 implicit_cast<int>(x86_DEBUG_STATE32_COUNT)); |
| 173 break; | 173 break; |
| 174 case x86_DEBUG_STATE64: | 174 case x86_DEBUG_STATE64: |
| 175 EXPECT_EQ(implicit_cast<int>(x86_DEBUG_STATE64_COUNT), | 175 EXPECT_EQ(state->dsh.count, |
| 176 state->dsh.count); | 176 implicit_cast<int>(x86_DEBUG_STATE64_COUNT)); |
| 177 break; | 177 break; |
| 178 default: | 178 default: |
| 179 ADD_FAILURE() << "unexpected dsh.flavor " << state->dsh.flavor; | 179 ADD_FAILURE() << "unexpected dsh.flavor " << state->dsh.flavor; |
| 180 break; | 180 break; |
| 181 } | 181 } |
| 182 break; | 182 break; |
| 183 } | 183 } |
| 184 case x86_THREAD_STATE32: | 184 case x86_THREAD_STATE32: |
| 185 EXPECT_EQ(x86_THREAD_STATE32_COUNT, old_state_count); | 185 EXPECT_EQ(old_state_count, x86_THREAD_STATE32_COUNT); |
| 186 break; | 186 break; |
| 187 case x86_FLOAT_STATE32: | 187 case x86_FLOAT_STATE32: |
| 188 EXPECT_EQ(x86_FLOAT_STATE32_COUNT, old_state_count); | 188 EXPECT_EQ(old_state_count, x86_FLOAT_STATE32_COUNT); |
| 189 break; | 189 break; |
| 190 case x86_DEBUG_STATE32: | 190 case x86_DEBUG_STATE32: |
| 191 EXPECT_EQ(x86_DEBUG_STATE32_COUNT, old_state_count); | 191 EXPECT_EQ(old_state_count, x86_DEBUG_STATE32_COUNT); |
| 192 break; | 192 break; |
| 193 case x86_THREAD_STATE64: | 193 case x86_THREAD_STATE64: |
| 194 EXPECT_EQ(x86_THREAD_STATE64_COUNT, old_state_count); | 194 EXPECT_EQ(old_state_count, x86_THREAD_STATE64_COUNT); |
| 195 break; | 195 break; |
| 196 case x86_FLOAT_STATE64: | 196 case x86_FLOAT_STATE64: |
| 197 EXPECT_EQ(x86_FLOAT_STATE64_COUNT, old_state_count); | 197 EXPECT_EQ(old_state_count, x86_FLOAT_STATE64_COUNT); |
| 198 break; | 198 break; |
| 199 case x86_DEBUG_STATE64: | 199 case x86_DEBUG_STATE64: |
| 200 EXPECT_EQ(x86_DEBUG_STATE64_COUNT, old_state_count); | 200 EXPECT_EQ(old_state_count, x86_DEBUG_STATE64_COUNT); |
| 201 break; | 201 break; |
| 202 #else | 202 #else |
| 203 #error Port to your CPU architecture | 203 #error Port to your CPU architecture |
| 204 #endif | 204 #endif |
| 205 default: | 205 default: |
| 206 ADD_FAILURE() << "unexpected flavor " << *flavor; | 206 ADD_FAILURE() << "unexpected flavor " << *flavor; |
| 207 break; | 207 break; |
| 208 } | 208 } |
| 209 | 209 |
| 210 // Attempt to set a garbage thread state, which would cause the child to | 210 // Attempt to set a garbage thread state, which would cause the child to |
| 211 // crash inside SimulateCrash() if it actually succeeded. This tests that | 211 // crash inside SimulateCrash() if it actually succeeded. This tests that |
| 212 // SimulateCrash() ignores new_state instead of attempting to set the | 212 // SimulateCrash() ignores new_state instead of attempting to set the |
| 213 // state as the kernel would do. This operates in conjunction with the | 213 // state as the kernel would do. This operates in conjunction with the |
| 214 // |true| argument to ExcServerSuccessfulReturnValue() below. | 214 // |true| argument to ExcServerSuccessfulReturnValue() below. |
| 215 *new_state_count = old_state_count; | 215 *new_state_count = old_state_count; |
| 216 size_t new_state_size = sizeof(natural_t) * old_state_count; | 216 size_t new_state_size = sizeof(natural_t) * old_state_count; |
| 217 memset(new_state, 0xa5, new_state_size); | 217 memset(new_state, 0xa5, new_state_size); |
| 218 } | 218 } |
| 219 | 219 |
| 220 if (!succeed_) { | 220 if (!succeed_) { |
| 221 // The client has registered EXC_CRASH handlers for both its thread and | 221 // The client has registered EXC_CRASH handlers for both its thread and |
| 222 // task targets, and sent a simulated exception message to its | 222 // task targets, and sent a simulated exception message to its |
| 223 // thread-level EXC_CRASH handler. To test that it will fall back to | 223 // thread-level EXC_CRASH handler. To test that it will fall back to |
| 224 // trying the task-level EXC_CRASH handler, return a failure code, which | 224 // trying the task-level EXC_CRASH handler, return a failure code, which |
| 225 // should cause SimulateCrash() to try the next target. | 225 // should cause SimulateCrash() to try the next target. |
| 226 EXPECT_EQ(kExceptionPortsTargetBoth, target_); | 226 EXPECT_EQ(target_, kExceptionPortsTargetBoth); |
| 227 return KERN_ABORTED; | 227 return KERN_ABORTED; |
| 228 } | 228 } |
| 229 | 229 |
| 230 ExcServerCopyState( | 230 ExcServerCopyState( |
| 231 behavior, old_state, old_state_count, new_state, new_state_count); | 231 behavior, old_state, old_state_count, new_state, new_state_count); |
| 232 | 232 |
| 233 return ExcServerSuccessfulReturnValue(exception, behavior, true); | 233 return ExcServerSuccessfulReturnValue(exception, behavior, true); |
| 234 } | 234 } |
| 235 | 235 |
| 236 private: | 236 private: |
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| 252 // task targets. Run a server that will return a failure code when the | 252 // task targets. Run a server that will return a failure code when the |
| 253 // exception message is sent to the thread target, which will cause the | 253 // exception message is sent to the thread target, which will cause the |
| 254 // client to fall back to the task target and send another message. | 254 // client to fall back to the task target and send another message. |
| 255 succeed_ = false; | 255 succeed_ = false; |
| 256 mr = MachMessageServer::Run(&universal_mach_exc_server, | 256 mr = MachMessageServer::Run(&universal_mach_exc_server, |
| 257 LocalPort(), | 257 LocalPort(), |
| 258 MACH_MSG_OPTION_NONE, | 258 MACH_MSG_OPTION_NONE, |
| 259 MachMessageServer::kOneShot, | 259 MachMessageServer::kOneShot, |
| 260 MachMessageServer::kReceiveLargeError, | 260 MachMessageServer::kReceiveLargeError, |
| 261 kMachMessageTimeoutWaitIndefinitely); | 261 kMachMessageTimeoutWaitIndefinitely); |
| 262 EXPECT_EQ(MACH_MSG_SUCCESS, mr) | 262 EXPECT_EQ(mr, MACH_MSG_SUCCESS) |
| 263 << MachErrorMessage(mr, "MachMessageServer::Run"); | 263 << MachErrorMessage(mr, "MachMessageServer::Run"); |
| 264 } | 264 } |
| 265 | 265 |
| 266 succeed_ = true; | 266 succeed_ = true; |
| 267 mr = MachMessageServer::Run(&universal_mach_exc_server, | 267 mr = MachMessageServer::Run(&universal_mach_exc_server, |
| 268 LocalPort(), | 268 LocalPort(), |
| 269 MACH_MSG_OPTION_NONE, | 269 MACH_MSG_OPTION_NONE, |
| 270 MachMessageServer::kOneShot, | 270 MachMessageServer::kOneShot, |
| 271 MachMessageServer::kReceiveLargeError, | 271 MachMessageServer::kReceiveLargeError, |
| 272 kMachMessageTimeoutWaitIndefinitely); | 272 kMachMessageTimeoutWaitIndefinitely); |
| 273 EXPECT_EQ(MACH_MSG_SUCCESS, mr) | 273 EXPECT_EQ(mr, MACH_MSG_SUCCESS) |
| 274 << MachErrorMessage(mr, "MachMessageServer::Run"); | 274 << MachErrorMessage(mr, "MachMessageServer::Run"); |
| 275 } | 275 } |
| 276 | 276 |
| 277 void MachMultiprocessChild() override { | 277 void MachMultiprocessChild() override { |
| 278 bool task_valid = target_ == kExceptionPortsTargetTask || | 278 bool task_valid = target_ == kExceptionPortsTargetTask || |
| 279 target_ == kExceptionPortsTargetBoth; | 279 target_ == kExceptionPortsTargetBoth; |
| 280 ExceptionPorts task_exception_ports(ExceptionPorts::kTargetTypeTask, | 280 ExceptionPorts task_exception_ports(ExceptionPorts::kTargetTypeTask, |
| 281 TASK_NULL); | 281 TASK_NULL); |
| 282 ASSERT_TRUE(task_exception_ports.SetExceptionPort( | 282 ASSERT_TRUE(task_exception_ports.SetExceptionPort( |
| 283 EXC_MASK_CRASH, | 283 EXC_MASK_CRASH, |
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| 379 test_simulate_crash_mac.Run(); | 379 test_simulate_crash_mac.Run(); |
| 380 } | 380 } |
| 381 } | 381 } |
| 382 } | 382 } |
| 383 } | 383 } |
| 384 } | 384 } |
| 385 | 385 |
| 386 } // namespace | 386 } // namespace |
| 387 } // namespace test | 387 } // namespace test |
| 388 } // namespace crashpad | 388 } // namespace crashpad |
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