| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <inttypes.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| |
| #include <gtest/gtest.h> |
| |
| #include <string> |
| #include <vector> |
| |
| #include <unwindstack/JitDebug.h> |
| #include <unwindstack/Maps.h> |
| #include <unwindstack/Memory.h> |
| #include <unwindstack/RegsArm.h> |
| #include <unwindstack/RegsArm64.h> |
| #include <unwindstack/RegsX86.h> |
| #include <unwindstack/Unwinder.h> |
| |
| #include "MachineArm.h" |
| #include "MachineArm64.h" |
| #include "MachineX86.h" |
| |
| #include "ElfTestUtils.h" |
| |
| namespace unwindstack { |
| |
| static std::string DumpFrames(Unwinder& unwinder) { |
| std::string str; |
| for (size_t i = 0; i < unwinder.NumFrames(); i++) { |
| str += unwinder.FormatFrame(i) + "\n"; |
| } |
| return str; |
| } |
| |
| TEST(UnwindOfflineTest, pc_straddle_arm32) { |
| std::string dir(TestGetFileDirectory() + "offline/straddle_arm32/"); |
| |
| MemoryOffline* memory = new MemoryOffline; |
| ASSERT_TRUE(memory->Init((dir + "stack.data").c_str(), 0)); |
| |
| FILE* fp = fopen((dir + "regs.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| RegsArm regs; |
| uint64_t reg_value; |
| ASSERT_EQ(1, fscanf(fp, "pc: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_PC] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "sp: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_SP] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "lr: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_LR] = reg_value; |
| regs.SetFromRaw(); |
| fclose(fp); |
| |
| fp = fopen((dir + "maps.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| // The file is guaranteed to be less than 4096 bytes. |
| std::vector<char> buffer(4096); |
| ASSERT_NE(0U, fread(buffer.data(), 1, buffer.size(), fp)); |
| fclose(fp); |
| |
| BufferMaps maps(buffer.data()); |
| ASSERT_TRUE(maps.Parse()); |
| |
| ASSERT_EQ(ARCH_ARM, regs.Arch()); |
| |
| std::shared_ptr<Memory> process_memory(memory); |
| |
| char* cwd = getcwd(nullptr, 0); |
| ASSERT_EQ(0, chdir(dir.c_str())); |
| Unwinder unwinder(128, &maps, ®s, process_memory); |
| unwinder.Unwind(); |
| ASSERT_EQ(0, chdir(cwd)); |
| free(cwd); |
| |
| std::string frame_info(DumpFrames(unwinder)); |
| ASSERT_EQ(4U, unwinder.NumFrames()) << "Unwind:\n" << frame_info; |
| EXPECT_EQ( |
| " #00 pc 0001a9f8 libc.so (abort+63)\n" |
| " #01 pc 00006a1b libbase.so (_ZN7android4base14DefaultAborterEPKc+6)\n" |
| " #02 pc 00007441 libbase.so (_ZN7android4base10LogMessageD2Ev+748)\n" |
| " #03 pc 00015147 /does/not/exist/libhidlbase.so\n", |
| frame_info); |
| } |
| |
| TEST(UnwindOfflineTest, pc_in_gnu_debugdata_arm32) { |
| std::string dir(TestGetFileDirectory() + "offline/gnu_debugdata_arm32/"); |
| |
| MemoryOffline* memory = new MemoryOffline; |
| ASSERT_TRUE(memory->Init((dir + "stack.data").c_str(), 0)); |
| |
| FILE* fp = fopen((dir + "regs.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| RegsArm regs; |
| uint64_t reg_value; |
| ASSERT_EQ(1, fscanf(fp, "pc: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_PC] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "sp: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_SP] = reg_value; |
| regs.SetFromRaw(); |
| fclose(fp); |
| |
| fp = fopen((dir + "maps.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| // The file is guaranteed to be less than 4096 bytes. |
| std::vector<char> buffer(4096); |
| ASSERT_NE(0U, fread(buffer.data(), 1, buffer.size(), fp)); |
| fclose(fp); |
| |
| BufferMaps maps(buffer.data()); |
| ASSERT_TRUE(maps.Parse()); |
| |
| ASSERT_EQ(ARCH_ARM, regs.Arch()); |
| |
| std::shared_ptr<Memory> process_memory(memory); |
| |
| char* cwd = getcwd(nullptr, 0); |
| ASSERT_EQ(0, chdir(dir.c_str())); |
| Unwinder unwinder(128, &maps, ®s, process_memory); |
| unwinder.Unwind(); |
| ASSERT_EQ(0, chdir(cwd)); |
| free(cwd); |
| |
| std::string frame_info(DumpFrames(unwinder)); |
| ASSERT_EQ(2U, unwinder.NumFrames()) << "Unwind:\n" << frame_info; |
| EXPECT_EQ( |
| " #00 pc 0006dc49 libandroid_runtime.so " |
| "(_ZN7android14AndroidRuntime15javaThreadShellEPv+80)\n" |
| " #01 pc 0006dce5 libandroid_runtime.so " |
| "(_ZN7android14AndroidRuntime19javaCreateThreadEtcEPFiPvES1_PKcijPS1_)\n", |
| frame_info); |
| } |
| |
| TEST(UnwindOfflineTest, pc_straddle_arm64) { |
| std::string dir(TestGetFileDirectory() + "offline/straddle_arm64/"); |
| |
| MemoryOffline* memory = new MemoryOffline; |
| ASSERT_TRUE(memory->Init((dir + "stack.data").c_str(), 0)); |
| |
| FILE* fp = fopen((dir + "regs.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| RegsArm64 regs; |
| uint64_t reg_value; |
| ASSERT_EQ(1, fscanf(fp, "pc: %" SCNx64 "\n", ®_value)); |
| regs[ARM64_REG_PC] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "sp: %" SCNx64 "\n", ®_value)); |
| regs[ARM64_REG_SP] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "lr: %" SCNx64 "\n", ®_value)); |
| regs[ARM64_REG_LR] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "x29: %" SCNx64 "\n", ®_value)); |
| regs[ARM64_REG_R29] = reg_value; |
| regs.SetFromRaw(); |
| fclose(fp); |
| |
| fp = fopen((dir + "maps.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| // The file is guaranteed to be less than 4096 bytes. |
| std::vector<char> buffer(4096); |
| ASSERT_NE(0U, fread(buffer.data(), 1, buffer.size(), fp)); |
| fclose(fp); |
| |
| BufferMaps maps(buffer.data()); |
| ASSERT_TRUE(maps.Parse()); |
| |
| ASSERT_EQ(ARCH_ARM64, regs.Arch()); |
| |
| std::shared_ptr<Memory> process_memory(memory); |
| |
| char* cwd = getcwd(nullptr, 0); |
| ASSERT_EQ(0, chdir(dir.c_str())); |
| Unwinder unwinder(128, &maps, ®s, process_memory); |
| unwinder.Unwind(); |
| ASSERT_EQ(0, chdir(cwd)); |
| free(cwd); |
| |
| std::string frame_info(DumpFrames(unwinder)); |
| ASSERT_EQ(6U, unwinder.NumFrames()) << "Unwind:\n" << frame_info; |
| EXPECT_EQ( |
| " #00 pc 0000000000429fd8 libunwindstack_test (SignalInnerFunction+24)\n" |
| " #01 pc 000000000042a078 libunwindstack_test (SignalMiddleFunction+8)\n" |
| " #02 pc 000000000042a08c libunwindstack_test (SignalOuterFunction+8)\n" |
| " #03 pc 000000000042d8fc libunwindstack_test " |
| "(_ZN11unwindstackL19RemoteThroughSignalEij+20)\n" |
| " #04 pc 000000000042d8d8 libunwindstack_test " |
| "(_ZN11unwindstack37UnwindTest_remote_through_signal_Test8TestBodyEv+32)\n" |
| " #05 pc 0000000000455d70 libunwindstack_test (_ZN7testing4Test3RunEv+392)\n", |
| frame_info); |
| } |
| |
| static void AddMemory(std::string file_name, MemoryOfflineParts* parts) { |
| MemoryOffline* memory = new MemoryOffline; |
| ASSERT_TRUE(memory->Init(file_name.c_str(), 0)); |
| parts->Add(memory); |
| } |
| |
| TEST(UnwindOfflineTest, jit_debug_x86_32) { |
| std::string dir(TestGetFileDirectory() + "offline/jit_debug_x86_32/"); |
| |
| MemoryOfflineParts* memory = new MemoryOfflineParts; |
| AddMemory(dir + "descriptor.data", memory); |
| AddMemory(dir + "stack.data", memory); |
| for (size_t i = 0; i < 7; i++) { |
| AddMemory(dir + "entry" + std::to_string(i) + ".data", memory); |
| AddMemory(dir + "jit" + std::to_string(i) + ".data", memory); |
| } |
| |
| FILE* fp = fopen((dir + "regs.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| RegsX86 regs; |
| uint64_t reg_value; |
| ASSERT_EQ(1, fscanf(fp, "eax: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_EAX] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "ebx: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_EBX] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "ecx: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_ECX] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "edx: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_EDX] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "ebp: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_EBP] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "edi: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_EDI] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "esi: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_ESI] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "esp: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_ESP] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "eip: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_EIP] = reg_value; |
| regs.SetFromRaw(); |
| fclose(fp); |
| |
| fp = fopen((dir + "maps.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| // The file is guaranteed to be less than 4096 bytes. |
| std::vector<char> buffer(4096); |
| ASSERT_NE(0U, fread(buffer.data(), 1, buffer.size(), fp)); |
| fclose(fp); |
| |
| BufferMaps maps(buffer.data()); |
| ASSERT_TRUE(maps.Parse()); |
| |
| ASSERT_EQ(ARCH_X86, regs.Arch()); |
| |
| std::shared_ptr<Memory> process_memory(memory); |
| |
| char* cwd = getcwd(nullptr, 0); |
| ASSERT_EQ(0, chdir(dir.c_str())); |
| JitDebug jit_debug(process_memory); |
| Unwinder unwinder(128, &maps, ®s, process_memory); |
| unwinder.SetJitDebug(&jit_debug, regs.Arch()); |
| unwinder.Unwind(); |
| ASSERT_EQ(0, chdir(cwd)); |
| free(cwd); |
| |
| std::string frame_info(DumpFrames(unwinder)); |
| ASSERT_EQ(69U, unwinder.NumFrames()) << "Unwind:\n" << frame_info; |
| EXPECT_EQ( |
| " #00 pc 00068fb8 libarttestd.so (_ZN3artL13CauseSegfaultEv+72)\n" |
| " #01 pc 00067f00 libarttestd.so (Java_Main_unwindInProcess+10032)\n" |
| " #02 pc 000021a8 (offset 0x2000) 137-cfi.odex (boolean Main.unwindInProcess(boolean, int, " |
| "boolean)+136)\n" |
| " #03 pc 0000fe81 anonymous:ee74c000 (boolean Main.bar(boolean)+65)\n" |
| " #04 pc 006ad4d2 libartd.so (art_quick_invoke_stub+338)\n" |
| " #05 pc 00146ab5 libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+885)\n" |
| " #06 pc 0039cf0d libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+653)\n" |
| " #07 pc 00392552 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+354)\n" |
| " #08 pc 0039399a libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+234)\n" |
| " #09 pc 00684362 libartd.so (artQuickToInterpreterBridge+1058)\n" |
| " #10 pc 006b35bd libartd.so (art_quick_to_interpreter_bridge+77)\n" |
| " #11 pc 0000fe04 anonymous:ee74c000 (int Main.compare(Main, Main)+52)\n" |
| " #12 pc 006ad4d2 libartd.so (art_quick_invoke_stub+338)\n" |
| " #13 pc 00146ab5 libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+885)\n" |
| " #14 pc 0039cf0d libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+653)\n" |
| " #15 pc 00392552 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+354)\n" |
| " #16 pc 0039399a libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+234)\n" |
| " #17 pc 00684362 libartd.so (artQuickToInterpreterBridge+1058)\n" |
| " #18 pc 006b35bd libartd.so (art_quick_to_interpreter_bridge+77)\n" |
| " #19 pc 0000fd3c anonymous:ee74c000 (int Main.compare(java.lang.Object, " |
| "java.lang.Object)+108)\n" |
| " #20 pc 006ad4d2 libartd.so (art_quick_invoke_stub+338)\n" |
| " #21 pc 00146ab5 libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+885)\n" |
| " #22 pc 0039cf0d libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+653)\n" |
| " #23 pc 00392552 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+354)\n" |
| " #24 pc 0039399a libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+234)\n" |
| " #25 pc 00684362 libartd.so (artQuickToInterpreterBridge+1058)\n" |
| " #26 pc 006b35bd libartd.so (art_quick_to_interpreter_bridge+77)\n" |
| " #27 pc 0000fbdc anonymous:ee74c000 (int " |
| "java.util.Arrays.binarySearch0(java.lang.Object[], int, int, java.lang.Object, " |
| "java.util.Comparator)+332)\n" |
| " #28 pc 006ad6a2 libartd.so (art_quick_invoke_static_stub+418)\n" |
| " #29 pc 00146acb libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+907)\n" |
| " #30 pc 0039cf0d libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+653)\n" |
| " #31 pc 00392552 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+354)\n" |
| " #32 pc 0039399a libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+234)\n" |
| " #33 pc 00684362 libartd.so (artQuickToInterpreterBridge+1058)\n" |
| " #34 pc 006b35bd libartd.so (art_quick_to_interpreter_bridge+77)\n" |
| " #35 pc 0000f625 anonymous:ee74c000 (boolean Main.foo()+165)\n" |
| " #36 pc 006ad4d2 libartd.so (art_quick_invoke_stub+338)\n" |
| " #37 pc 00146ab5 libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+885)\n" |
| " #38 pc 0039cf0d libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+653)\n" |
| " #39 pc 00392552 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+354)\n" |
| " #40 pc 0039399a libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+234)\n" |
| " #41 pc 00684362 libartd.so (artQuickToInterpreterBridge+1058)\n" |
| " #42 pc 006b35bd libartd.so (art_quick_to_interpreter_bridge+77)\n" |
| " #43 pc 0000eedc anonymous:ee74c000 (void Main.runPrimary()+60)\n" |
| " #44 pc 006ad4d2 libartd.so (art_quick_invoke_stub+338)\n" |
| " #45 pc 00146ab5 libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+885)\n" |
| " #46 pc 0039cf0d libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+653)\n" |
| " #47 pc 00392552 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+354)\n" |
| " #48 pc 0039399a libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+234)\n" |
| " #49 pc 00684362 libartd.so (artQuickToInterpreterBridge+1058)\n" |
| " #50 pc 006b35bd libartd.so (art_quick_to_interpreter_bridge+77)\n" |
| " #51 pc 0000ac22 anonymous:ee74c000 (void Main.main(java.lang.String[])+98)\n" |
| " #52 pc 006ad6a2 libartd.so (art_quick_invoke_static_stub+418)\n" |
| " #53 pc 00146acb libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+907)\n" |
| " #54 pc 0039cf0d libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+653)\n" |
| " #55 pc 00392552 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+354)\n" |
| " #56 pc 0039399a libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+234)\n" |
| " #57 pc 00684362 libartd.so (artQuickToInterpreterBridge+1058)\n" |
| " #58 pc 006b35bd libartd.so (art_quick_to_interpreter_bridge+77)\n" |
| " #59 pc 006ad6a2 libartd.so (art_quick_invoke_static_stub+418)\n" |
| " #60 pc 00146acb libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+907)\n" |
| " #61 pc 005aac95 libartd.so " |
| "(_ZN3artL18InvokeWithArgArrayERKNS_33ScopedObjectAccessAlreadyRunnableEPNS_9ArtMethodEPNS_" |
| "8ArgArrayEPNS_6JValueEPKc+85)\n" |
| " #62 pc 005aab5a libartd.so " |
| "(_ZN3art17InvokeWithVarArgsERKNS_33ScopedObjectAccessAlreadyRunnableEP8_jobjectP10_" |
| "jmethodIDPc+362)\n" |
| " #63 pc 0048a3dd libartd.so " |
| "(_ZN3art3JNI21CallStaticVoidMethodVEP7_JNIEnvP7_jclassP10_jmethodIDPc+125)\n" |
| " #64 pc 0018448c libartd.so " |
| "(_ZN3art8CheckJNI11CallMethodVEPKcP7_JNIEnvP8_jobjectP7_jclassP10_jmethodIDPcNS_" |
| "9Primitive4TypeENS_10InvokeTypeE+1964)\n" |
| " #65 pc 0017cf06 libartd.so " |
| "(_ZN3art8CheckJNI21CallStaticVoidMethodVEP7_JNIEnvP7_jclassP10_jmethodIDPc+70)\n" |
| " #66 pc 00001d8c dalvikvm32 " |
| "(_ZN7_JNIEnv20CallStaticVoidMethodEP7_jclassP10_jmethodIDz+60)\n" |
| " #67 pc 00001a80 dalvikvm32 (main+1312)\n" |
| " #68 pc 00018275 libc.so\n", |
| frame_info); |
| } |
| |
| TEST(UnwindOfflineTest, jit_debug_arm32) { |
| std::string dir(TestGetFileDirectory() + "offline/jit_debug_arm32/"); |
| |
| MemoryOfflineParts* memory = new MemoryOfflineParts; |
| AddMemory(dir + "descriptor.data", memory); |
| AddMemory(dir + "descriptor1.data", memory); |
| AddMemory(dir + "stack.data", memory); |
| for (size_t i = 0; i < 7; i++) { |
| AddMemory(dir + "entry" + std::to_string(i) + ".data", memory); |
| AddMemory(dir + "jit" + std::to_string(i) + ".data", memory); |
| } |
| |
| FILE* fp = fopen((dir + "regs.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| RegsArm regs; |
| uint64_t reg_value; |
| ASSERT_EQ(1, fscanf(fp, "r0: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R0] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "r1: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R1] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "r2: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R2] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "r3: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R3] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "r4: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R4] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "r5: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R5] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "r6: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R6] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "r7: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R7] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "r8: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R8] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "r9: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R9] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "r10: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R10] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "r11: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R11] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "ip: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_R12] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "sp: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_SP] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "lr: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_LR] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "pc: %" SCNx64 "\n", ®_value)); |
| regs[ARM_REG_PC] = reg_value; |
| regs.SetFromRaw(); |
| fclose(fp); |
| |
| fp = fopen((dir + "maps.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| // The file is guaranteed to be less than 4096 bytes. |
| std::vector<char> buffer(4096); |
| ASSERT_NE(0U, fread(buffer.data(), 1, buffer.size(), fp)); |
| fclose(fp); |
| |
| BufferMaps maps(buffer.data()); |
| ASSERT_TRUE(maps.Parse()); |
| |
| ASSERT_EQ(ARCH_ARM, regs.Arch()); |
| |
| std::shared_ptr<Memory> process_memory(memory); |
| |
| char* cwd = getcwd(nullptr, 0); |
| ASSERT_EQ(0, chdir(dir.c_str())); |
| JitDebug jit_debug(process_memory); |
| Unwinder unwinder(128, &maps, ®s, process_memory); |
| unwinder.SetJitDebug(&jit_debug, regs.Arch()); |
| unwinder.Unwind(); |
| ASSERT_EQ(0, chdir(cwd)); |
| free(cwd); |
| |
| std::string frame_info(DumpFrames(unwinder)); |
| ASSERT_EQ(76U, unwinder.NumFrames()) << "Unwind:\n" << frame_info; |
| EXPECT_EQ( |
| " #00 pc 00018a5e libarttestd.so (Java_Main_unwindInProcess+865)\n" |
| " #01 pc 0000212d (offset 0x2000) 137-cfi.odex (boolean Main.unwindInProcess(boolean, int, " |
| "boolean)+92)\n" |
| " #02 pc 00011cb1 anonymous:e2796000 (boolean Main.bar(boolean)+72)\n" |
| " #03 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" |
| " #04 pc 00467129 libartd.so (art_quick_invoke_stub+228)\n" |
| " #05 pc 000bf7a9 libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+864)\n" |
| " #06 pc 00247833 libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+382)\n" |
| " #07 pc 0022e935 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+244)\n" |
| " #08 pc 0022f71d libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" |
| " #09 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" |
| " #10 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" |
| " #11 pc 00011c31 anonymous:e2796000 (int Main.compare(Main, Main)+64)\n" |
| " #12 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" |
| " #13 pc 00467129 libartd.so (art_quick_invoke_stub+228)\n" |
| " #14 pc 000bf7a9 libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+864)\n" |
| " #15 pc 00247833 libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+382)\n" |
| " #16 pc 0022e935 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+244)\n" |
| " #17 pc 0022f71d libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" |
| " #18 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" |
| " #19 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" |
| " #20 pc 00011b77 anonymous:e2796000 (int Main.compare(java.lang.Object, " |
| "java.lang.Object)+118)\n" |
| " #21 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" |
| " #22 pc 00467129 libartd.so (art_quick_invoke_stub+228)\n" |
| " #23 pc 000bf7a9 libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+864)\n" |
| " #24 pc 00247833 libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+382)\n" |
| " #25 pc 0022e935 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+244)\n" |
| " #26 pc 0022f71d libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" |
| " #27 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" |
| " #28 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" |
| " #29 pc 00011a29 anonymous:e2796000 (int " |
| "java.util.Arrays.binarySearch0(java.lang.Object[], int, int, java.lang.Object, " |
| "java.util.Comparator)+304)\n" |
| " #30 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" |
| " #31 pc 0046722f libartd.so (art_quick_invoke_static_stub+226)\n" |
| " #32 pc 000bf7bb libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+882)\n" |
| " #33 pc 00247833 libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+382)\n" |
| " #34 pc 0022e935 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+244)\n" |
| " #35 pc 0022f71d libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" |
| " #36 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" |
| " #37 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" |
| " #38 pc 0001139b anonymous:e2796000 (boolean Main.foo()+178)\n" |
| " #39 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" |
| " #40 pc 00467129 libartd.so (art_quick_invoke_stub+228)\n" |
| " #41 pc 000bf7a9 libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+864)\n" |
| " #42 pc 00247833 libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+382)\n" |
| " #43 pc 0022e935 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+244)\n" |
| " #44 pc 0022f71d libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" |
| " #45 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" |
| " #46 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" |
| " #47 pc 00010aa7 anonymous:e2796000 (void Main.runPrimary()+70)\n" |
| " #48 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" |
| " #49 pc 00467129 libartd.so (art_quick_invoke_stub+228)\n" |
| " #50 pc 000bf7a9 libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+864)\n" |
| " #51 pc 00247833 libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+382)\n" |
| " #52 pc 0022e935 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+244)\n" |
| " #53 pc 0022f71d libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" |
| " #54 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" |
| " #55 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" |
| " #56 pc 0000ba99 anonymous:e2796000 (void Main.main(java.lang.String[])+144)\n" |
| " #57 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" |
| " #58 pc 0046722f libartd.so (art_quick_invoke_static_stub+226)\n" |
| " #59 pc 000bf7bb libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+882)\n" |
| " #60 pc 00247833 libartd.so " |
| "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" |
| "11ShadowFrameEtPNS_6JValueE+382)\n" |
| " #61 pc 0022e935 libartd.so " |
| "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" |
| "6JValueEb+244)\n" |
| " #62 pc 0022f71d libartd.so " |
| "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" |
| "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" |
| " #63 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" |
| " #64 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" |
| " #65 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" |
| " #66 pc 0046722f libartd.so (art_quick_invoke_static_stub+226)\n" |
| " #67 pc 000bf7bb libartd.so " |
| "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+882)\n" |
| " #68 pc 003b292d libartd.so " |
| "(_ZN3artL18InvokeWithArgArrayERKNS_33ScopedObjectAccessAlreadyRunnableEPNS_9ArtMethodEPNS_" |
| "8ArgArrayEPNS_6JValueEPKc+52)\n" |
| " #69 pc 003b26c3 libartd.so " |
| "(_ZN3art17InvokeWithVarArgsERKNS_33ScopedObjectAccessAlreadyRunnableEP8_jobjectP10_" |
| "jmethodIDSt9__va_list+210)\n" |
| " #70 pc 00308411 libartd.so " |
| "(_ZN3art3JNI21CallStaticVoidMethodVEP7_JNIEnvP7_jclassP10_jmethodIDSt9__va_list+76)\n" |
| " #71 pc 000e6a9f libartd.so " |
| "(_ZN3art8CheckJNI11CallMethodVEPKcP7_JNIEnvP8_jobjectP7_jclassP10_jmethodIDSt9__va_listNS_" |
| "9Primitive4TypeENS_10InvokeTypeE+1486)\n" |
| " #72 pc 000e19b9 libartd.so " |
| "(_ZN3art8CheckJNI21CallStaticVoidMethodVEP7_JNIEnvP7_jclassP10_jmethodIDSt9__va_list+40)\n" |
| " #73 pc 0000159f dalvikvm32 " |
| "(_ZN7_JNIEnv20CallStaticVoidMethodEP7_jclassP10_jmethodIDz+30)\n" |
| " #74 pc 00001349 dalvikvm32 (main+896)\n" |
| " #75 pc 000850c9 libc.so\n", |
| frame_info); |
| } |
| |
| // The eh_frame_hdr data is present but set to zero fdes. This should |
| // fallback to iterating over the cies/fdes and ignore the eh_frame_hdr. |
| // No .gnu_debugdata section in the elf file, so no symbols. |
| TEST(UnwindOfflineTest, bad_eh_frame_hdr_arm64) { |
| std::string dir(TestGetFileDirectory() + "offline/bad_eh_frame_hdr_arm64/"); |
| |
| MemoryOffline* memory = new MemoryOffline; |
| ASSERT_TRUE(memory->Init((dir + "stack.data").c_str(), 0)); |
| |
| FILE* fp = fopen((dir + "regs.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| RegsArm64 regs; |
| uint64_t reg_value; |
| ASSERT_EQ(1, fscanf(fp, "pc: %" SCNx64 "\n", ®_value)); |
| regs[ARM64_REG_PC] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "sp: %" SCNx64 "\n", ®_value)); |
| regs[ARM64_REG_SP] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "lr: %" SCNx64 "\n", ®_value)); |
| regs[ARM64_REG_LR] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "x29: %" SCNx64 "\n", ®_value)); |
| regs[ARM64_REG_R29] = reg_value; |
| regs.SetFromRaw(); |
| fclose(fp); |
| |
| fp = fopen((dir + "maps.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| // The file is guaranteed to be less than 4096 bytes. |
| std::vector<char> buffer(4096); |
| ASSERT_NE(0U, fread(buffer.data(), 1, buffer.size(), fp)); |
| fclose(fp); |
| |
| BufferMaps maps(buffer.data()); |
| ASSERT_TRUE(maps.Parse()); |
| |
| ASSERT_EQ(ARCH_ARM64, regs.Arch()); |
| |
| std::shared_ptr<Memory> process_memory(memory); |
| |
| char* cwd = getcwd(nullptr, 0); |
| ASSERT_EQ(0, chdir(dir.c_str())); |
| Unwinder unwinder(128, &maps, ®s, process_memory); |
| unwinder.Unwind(); |
| ASSERT_EQ(0, chdir(cwd)); |
| free(cwd); |
| |
| std::string frame_info(DumpFrames(unwinder)); |
| ASSERT_EQ(5U, unwinder.NumFrames()) << "Unwind:\n" << frame_info; |
| EXPECT_EQ( |
| " #00 pc 0000000000000550 waiter64\n" |
| " #01 pc 0000000000000568 waiter64\n" |
| " #02 pc 000000000000057c waiter64\n" |
| " #03 pc 0000000000000590 waiter64\n" |
| " #04 pc 00000000000a8e98 libc.so (__libc_init+88)\n", |
| frame_info); |
| } |
| |
| // The elf has bad eh_frame unwind information for the pcs. If eh_frame |
| // is used first, the unwind will not match the expected output. |
| TEST(UnwindOfflineTest, debug_frame_first_x86) { |
| std::string dir(TestGetFileDirectory() + "offline/debug_frame_first_x86/"); |
| |
| MemoryOffline* memory = new MemoryOffline; |
| ASSERT_TRUE(memory->Init((dir + "stack.data").c_str(), 0)); |
| |
| FILE* fp = fopen((dir + "regs.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| RegsX86 regs; |
| uint64_t reg_value; |
| ASSERT_EQ(1, fscanf(fp, "eax: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_EAX] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "ebx: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_EBX] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "ecx: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_ECX] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "edx: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_EDX] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "ebp: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_EBP] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "edi: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_EDI] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "esi: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_ESI] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "esp: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_ESP] = reg_value; |
| ASSERT_EQ(1, fscanf(fp, "eip: %" SCNx64 "\n", ®_value)); |
| regs[X86_REG_EIP] = reg_value; |
| regs.SetFromRaw(); |
| fclose(fp); |
| |
| fp = fopen((dir + "maps.txt").c_str(), "r"); |
| ASSERT_TRUE(fp != nullptr); |
| // The file is guaranteed to be less than 4096 bytes. |
| std::vector<char> buffer(4096); |
| ASSERT_NE(0U, fread(buffer.data(), 1, buffer.size(), fp)); |
| fclose(fp); |
| |
| BufferMaps maps(buffer.data()); |
| ASSERT_TRUE(maps.Parse()); |
| |
| ASSERT_EQ(ARCH_X86, regs.Arch()); |
| |
| std::shared_ptr<Memory> process_memory(memory); |
| |
| char* cwd = getcwd(nullptr, 0); |
| ASSERT_EQ(0, chdir(dir.c_str())); |
| JitDebug jit_debug(process_memory); |
| Unwinder unwinder(128, &maps, ®s, process_memory); |
| unwinder.SetJitDebug(&jit_debug, regs.Arch()); |
| unwinder.Unwind(); |
| ASSERT_EQ(0, chdir(cwd)); |
| free(cwd); |
| |
| std::string frame_info(DumpFrames(unwinder)); |
| ASSERT_EQ(5U, unwinder.NumFrames()) << "Unwind:\n" << frame_info; |
| EXPECT_EQ( |
| " #00 pc 00000685 waiter (call_level3+53)\n" |
| " #01 pc 000006b7 waiter (call_level2+23)\n" |
| " #02 pc 000006d7 waiter (call_level1+23)\n" |
| " #03 pc 000006f7 waiter (main+23)\n" |
| " #04 pc 00018275 libc.so\n", |
| frame_info); |
| } |
| |
| } // namespace unwindstack |
