Android メモ
よく忘れるコマンド
C:\Users\th-yano\AppData\Local\Android\Sdk\emulator\emulator -avd Pixel_5_API_30 -netdelay none -netspeed full -no-snapshot -show-kernel
adb exec-out screencap -p > display.png
ps -eo user,pid,ppid,cpu,pcpu,virt,rss,args --sort -pcpu | head -5
ps -aT `ps -ef |grep kot | awk '{print $2}'`
adb shell dumpsys window > window.txt
スタックトレース
gdbで見た場合
(gdb) thread apply all bt
Thread 19 (Thread 4398.4422):
# 0 0xec9f1b99 in ?? ()
Backtrace stopped: Cannot access memory at address 0xc
Thread 18 (Thread 4398.4421):
# 0 0xec9f1b99 in ?? ()
Thread 17 (Thread 4398.4419):
# 0 0xec9f1b99 in ?? ()
# 1 0xebd1a13c in ?? ()
# 2 0xebd1a3db in ?? ()
# 3 0xebd1af19 in ?? ()
# 4 0xebd4766a in ?? ()
# 5 0xeae59117 in ?? ()
# 6 0xe8da4fef in ?? ()
# 7 0xeae587da in ?? ()
# 8 0xe7912975 in ?? ()
# 9 0xe78a4568 in ?? ()
# 10 0xe7886b87 in ?? ()
# 11 0xe64dbd2b in ?? ()
# 12 0xe64c652a in ?? ()
Backtrace stopped: Cannot access memory at address 0xf1774ac6
Thread 16 (Thread 4398.4418):
# 0 0xec9f1b99 in ?? ()
# 1 0xebd1a13c in ?? ()
# 2 0xebd1a3db in ?? ()
# 3 0xebd1af19 in ?? ()
# 4 0xebd4766a in ?? ()
# 5 0xeae59117 in ?? ()
# 6 0xe8da4fef in ?? ()
# 7 0xeae587da in ?? ()
# 8 0xe7912975 in ?? ()
# 9 0xe78a4568 in ?? ()
# 10 0xe7886b87 in ?? ()
# 11 0xe64dbd2b in ?? ()
# 12 0xe64c652a in ?? ()
Backtrace stopped: Cannot access memory at address 0xf1774ac6
Thread 15 (Thread 4398.4417):
# 0 0xec9f1b99 in ?? ()
# 1 0xebd1a13c in ?? ()
# 2 0xebd1a3db in ?? ()
# 3 0xebd1af19 in ?? ()
# 4 0xebd4766a in ?? ()
# 5 0xeae59117 in ?? ()
# 6 0xe8da4fef in ?? ()
# 7 0xeae587da in ?? ()
# 8 0xe7912975 in ?? ()
# 9 0xe78a4568 in ?? ()
# 10 0xe7886b87 in ?? ()
# 11 0xe78a3e91 in ?? ()
# 12 0xe7912854 in ?? ()
# 13 0xe791bde0 in ?? ()
# 14 0x00000000 in ?? ()
Thread 14 (Thread 4398.4416):
# 0 0xec9f1b99 in ?? ()
# 1 0xebd1a13c in ?? ()
# 2 0xebd1a3db in ?? ()
# 3 0xebd1af19 in ?? ()
# 4 0xebd4766a in ?? ()
# 5 0xeae59117 in ?? ()
# 6 0xe8da4fef in ?? ()
# 7 0xeae587da in ?? ()
# 8 0xe7912975 in ?? ()
# 9 0xe78a4568 in ?? ()
# 10 0xe7886b87 in ?? ()
# 11 0xe6499bf7 in ?? ()
Thread 13 (Thread 4398.4415):
# 0 0xec9f1b99 in ?? ()
Thread 12 (Thread 4398.4414):
# 0 0xec9f1b99 in ?? ()
Thread 11 (Thread 4398.4413):
# 0 0xec9f1b99 in ?? ()
Thread 10 (Thread 4398.4412):
# 0 0xec9f1b99 in ?? ()
Thread 9 (Thread 4398.4411):
# 0 0xec9f1b99 in ?? ()
Thread 8 (Thread 4398.4410):
# 0 0xec9f1b99 in ?? ()
# 1 0xde0f5494 in ?? ()
# 2 0xde0f36d3 in ?? ()
# 3 0xe7912975 in ?? ()
# 4 0xe78a4568 in ?? ()
# 5 0xe7886b87 in ?? ()
# 6 0xff991ad4 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
Thread 7 (Thread 4398.4409):
# 0 0xec9f1b99 in ?? ()
# 1 0xe7912975 in ?? ()
# 2 0xe78a4568 in ?? ()
# 3 0xe7886b87 in ?? ()
# 4 0xff9918ac in ?? ()
# 5 0x43e00000 in ?? ()
Thread 6 (Thread 4398.4408):
# 0 0xec9f1b99 in ?? ()
# 1 0xe674ad7e in ?? ()
# 2 0xe6749760 in ?? ()
# 3 0xe7912975 in ?? ()
# 4 0xe78a4568 in ?? ()
# 5 0xe7886b87 in ?? ()
# 6 0xe6897881 in ?? ()
# 7 0x00000002 in ?? ()
Thread 5 (Thread 4398.4407):
# 0 0xec9f1b99 in ?? ()
Thread 4 (Thread 4398.4406):
# 0 0xec9f1b99 in ?? ()
Thread 3 (Thread 4398.4405):
# 0 0xec9f1b99 in ?? ()
Thread 2 (Thread 4398.4404):
# 0 0xec9f1b99 in ?? ()
Thread 1 (Thread 4398.4398):
# 0 0xec9f1b99 in ?? ()
# 1 0xbccd71de in ?? ()
# 2 0xe62252b3 in ?? ()
# 3 0x00000000 in ?? ()
(gdb) c
Continuing.
C++から適当にコード書いて呼んでみた場合
2021-12-13 09:30:11.815 4398-4398/jp.co.try_hard.kotlinsample I/MainActivity: # 0: 0xbccd68f7 _Z16captureBacktracePPvj
# 1: 0xbccd7194 Java_jp_co_try_1hard_kotlinsample_MainActivity_stackTrace
# 2: 0xe62252b3
# 3: 0xe621eaa3
# 4: 0xe62b3502 _ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc
# 5: 0xe6469882 _ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_11ShadowFrameEtPNS_6JValueE
# 6: 0xe645dbbf _ZN3art11interpreter6DoCallILb0ELb0EEEbPNS_9ArtMethodEPNS_6ThreadERNS_11ShadowFrameEPKNS_11InstructionEtPNS_6JValueE
# 7: 0xe6886018 MterpInvokeVirtual
# 8: 0xe6218922
# 9: 0xe688635f MterpInvokeVirtual
#10: 0xe6218922
#11: 0xe688635f MterpInvokeVirtual
#12: 0xe6218922
#13: 0xe688635f MterpInvokeVirtual
#14: 0xe6218922
#15: 0xe6452c83
#16: 0xe645cda0 _ZN3art11interpreter33ArtInterpreterToInterpreterBridgeEPNS_6ThreadERKNS_20CodeItemDataAccessorEPNS_11ShadowFrameEPNS_6JValueE
#17: 0xe645e636 _ZN3art11interpreter6DoCallILb0ELb1EEEbPNS_9ArtMethodEPNS_6ThreadERNS_11ShadowFrameEPKNS_11InstructionEtPNS_6JValueE
#18: 0xe626be92 _ZN3art11interpreter20ExecuteSwitchImplCppILb1ELb0EEEvPNS0_17SwitchImplContextE
#19: 0xe6225f63
#20: 0xe6452c0f
#21: 0xe645cda0 _ZN3art11interpreter33ArtInterpreterToInterpreterBridgeEPNS_6ThreadERKNS_20CodeItemDataAccessorEPNS_11ShadowFrameEPNS_6JValueE
#22: 0xe645e636 _ZN3art11interpreter6DoCallILb0ELb1EEEbPNS_9ArtMethodEPNS_6ThreadERNS_11ShadowFrameEPKNS_11InstructionEtPNS_6JValueE
#23: 0xe6271794 _ZN3art11interpreter20ExecuteSwitchImplCppILb1ELb0EEEvPNS0_17SwitchImplContextE
#24: 0xe6225f63
#25: 0xe6452c0f
#26: 0xe645cda0 _ZN3art11interpreter33ArtInterpreterToInterpreterBridgeEPNS_6ThreadERKNS_20CodeItemDataAccessorEPNS_11ShadowFrameEPNS_6JValueE
#27: 0xe645dba1 _ZN3art11interpreter6DoCallILb0ELb0EEEbPNS_9ArtMethodEPNS_6ThreadERNS_11ShadowFrameEPKNS_11InstructionEtPNS_6JValueE
#28: 0xe6886018 MterpInvokeVirtual
#29: 0xe6218922
debuggerdを利用
----- pid 4662 at 2021-12-13 00:52:35 -----
Cmd line: jp.co.try_hard.kotlinsample
ABI: 'x86'
"rd.kotlinsample" sysTid=4662
#00 pc 00000b99 [vdso] (__kernel_vsyscall+9)
#01 pc 000ce3d7 /apex/com.android.runtime/lib/bionic/libc.so (nanosleep+23) (BuildId: 6e3a0180fa6637b68c0d181c343e6806)
#02 pc 00087070 /apex/com.android.runtime/lib/bionic/libc.so (sleep+64) (BuildId: 6e3a0180fa6637b68c0d181c343e6806)
#03 pc 000311dd /data/app/~~EJ2WGdPVV4r-QK68iTfKBg==/jp.co.try_hard.kotlinsample-X_ZOcH-ndQRtuVi02XsLxw==/base.apk!libkotlinsample.so (offset 0xfd000) (Java_jp_co_try_1hard_kotlinsample_MainActivity_stackTrace+205) (BuildId: af17a6c09f01b276e0b2db5c6112935c54cbf7af)
#04 pc 001422b2 /apex/com.android.art/lib/libart.so (art_quick_generic_jni_trampoline+82) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#05 pc 0013baa2 /apex/com.android.art/lib/libart.so (art_quick_invoke_stub+338) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#06 pc 001d0501 /apex/com.android.art/lib/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+241) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#07 pc 00386881 /apex/com.android.art/lib/libart.so (art::interpreter::ArtInterpreterToCompiledCodeBridge(art::Thread*, art::ArtMethod*, art::ShadowFrame*, unsigned short, art::JValue*)+385) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#08 pc 0037abbe /apex/com.android.art/lib/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+1070) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#09 pc 007a3017 /apex/com.android.art/lib/libart.so (MterpInvokeVirtual+967) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#10 pc 00135921 /apex/com.android.art/lib/libart.so (mterp_op_invoke_virtual+33) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#11 pc 0000048e [anon:dalvik-classes3.dex extracted in memory from /data/app/~~EJ2WGdPVV4r-QK68iTfKBg==/jp.co.try_hard.kotlinsample-X_ZOcH-ndQRtuVi02XsLxw==/base.apk!classes3.dex] (jp.co.try_hard.kotlinsample.MainActivity.onCreate+10)
#12 pc 007a335e /apex/com.android.art/lib/libart.so (MterpInvokeVirtual+1806) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#13 pc 00135921 /apex/com.android.art/lib/libart.so (mterp_op_invoke_virtual+33) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#14 pc 001a99a0 /system/framework/framework.jar (android.app.Activity.performCreate+88)
#15 pc 007a335e /apex/com.android.art/lib/libart.so (MterpInvokeVirtual+1806) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#16 pc 00135921 /apex/com.android.art/lib/libart.so (mterp_op_invoke_virtual+33) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#17 pc 001a992e /system/framework/framework.jar (android.app.Activity.performCreate+2)
#18 pc 007a335e /apex/com.android.art/lib/libart.so (MterpInvokeVirtual+1806) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#19 pc 00135921 /apex/com.android.art/lib/libart.so (mterp_op_invoke_virtual+33) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#20 pc 0021200e /system/framework/framework.jar (android.app.Instrumentation.callActivityOnCreate+6)
#21 pc 0036fc82 /apex/com.android.art/lib/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.llvm.10914192770458939989)+370) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#22 pc 00379d9f /apex/com.android.art/lib/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+207) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#23 pc 0037b635 /apex/com.android.art/lib/libart.so (bool art::interpreter::DoCall<false, true>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+2117) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#24 pc 00188e91 /apex/com.android.art/lib/libart.so (void art::interpreter::ExecuteSwitchImplCpp<true, false>(art::interpreter::SwitchImplContext*)+58609) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#25 pc 00142f62 /apex/com.android.art/lib/libart.so (ExecuteSwitchImplAsm+18) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#26 pc 00198584 /system/framework/framework.jar (android.app.ActivityThread.performLaunchActivity)
#27 pc 0036fc0e /apex/com.android.art/lib/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.llvm.10914192770458939989)+254) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#28 pc 00379d9f /apex/com.android.art/lib/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+207) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#29 pc 0037b635 /apex/com.android.art/lib/libart.so (bool art::interpreter::DoCall<false, true>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+2117) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#30 pc 0018e793 /apex/com.android.art/lib/libart.so (void art::interpreter::ExecuteSwitchImplCpp<true, false>(art::interpreter::SwitchImplContext*)+81395) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#31 pc 00142f62 /apex/com.android.art/lib/libart.so (ExecuteSwitchImplAsm+18) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#32 pc 00198494 /system/framework/framework.jar (android.app.ActivityThread.handleLaunchActivity)
#33 pc 0036fc0e /apex/com.android.art/lib/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.llvm.10914192770458939989)+254) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#34 pc 00379d9f /apex/com.android.art/lib/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+207) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#35 pc 0037aba0 /apex/com.android.art/lib/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+1040) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#36 pc 007a3017 /apex/com.android.art/lib/libart.so (MterpInvokeVirtual+967) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#37 pc 00135921 /apex/com.android.art/lib/libart.so (mterp_op_invoke_virtual+33) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#38 pc 0028e18a /system/framework/framework.jar (android.app.servertransaction.LaunchActivityItem.execute+134)
#39 pc 007a335e /apex/com.android.art/lib/libart.so (MterpInvokeVirtual+1806) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#40 pc 00135921 /apex/com.android.art/lib/libart.so (mterp_op_invoke_virtual+33) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#41 pc 0029038e /system/framework/framework.jar (android.app.servertransaction.TransactionExecutor.executeCallbacks+154)
#42 pc 007a335e /apex/com.android.art/lib/libart.so (MterpInvokeVirtual+1806) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#43 pc 00135921 /apex/com.android.art/lib/libart.so (mterp_op_invoke_virtual+33) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#44 pc 002902ca /system/framework/framework.jar (android.app.servertransaction.TransactionExecutor.execute+146)
#45 pc 007a335e /apex/com.android.art/lib/libart.so (MterpInvokeVirtual+1806) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#46 pc 00135921 /apex/com.android.art/lib/libart.so (mterp_op_invoke_virtual+33) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#47 pc 0019785c /system/framework/framework.jar (android.app.ActivityThread$H.handleMessage+96)
#48 pc 007a335e /apex/com.android.art/lib/libart.so (MterpInvokeVirtual+1806) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#49 pc 00135921 /apex/com.android.art/lib/libart.so (mterp_op_invoke_virtual+33) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#50 pc 0036f462 /system/framework/framework.jar (offset 0x92b000) (android.os.Handler.dispatchMessage+38)
#51 pc 007a335e /apex/com.android.art/lib/libart.so (MterpInvokeVirtual+1806) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#52 pc 00135921 /apex/com.android.art/lib/libart.so (mterp_op_invoke_virtual+33) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#53 pc 00396c4a /system/framework/framework.jar (offset 0x92b000) (android.os.Looper.loop+482)
#54 pc 0036fc82 /apex/com.android.art/lib/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.llvm.10914192770458939989)+370) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#55 pc 00379d9f /apex/com.android.art/lib/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+207) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#56 pc 0037b635 /apex/com.android.art/lib/libart.so (bool art::interpreter::DoCall<false, true>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+2117) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#57 pc 0018e793 /apex/com.android.art/lib/libart.so (void art::interpreter::ExecuteSwitchImplCpp<true, false>(art::interpreter::SwitchImplContext*)+81395) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#58 pc 00142f62 /apex/com.android.art/lib/libart.so (ExecuteSwitchImplAsm+18) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#59 pc 001a17c0 /system/framework/framework.jar (android.app.ActivityThread.main)
#60 pc 0036fc0e /apex/com.android.art/lib/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.llvm.10914192770458939989)+254) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#61 pc 00379c80 /apex/com.android.art/lib/libart.so (art::interpreter::EnterInterpreterFromEntryPoint(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*)+176) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#62 pc 0078d185 /apex/com.android.art/lib/libart.so (artQuickToInterpreterBridge+1061) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#63 pc 0014238d /apex/com.android.art/lib/libart.so (art_quick_to_interpreter_bridge+77) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#64 pc 0013bc72 /apex/com.android.art/lib/libart.so (art_quick_invoke_static_stub+418) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#65 pc 001d0512 /apex/com.android.art/lib/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+258) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#66 pc 00631e68 /apex/com.android.art/lib/libart.so (art::InvokeMethod(art::ScopedObjectAccessAlreadyRunnable const&, _jobject*, _jobject*, _jobject*, unsigned int)+1464) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#67 pc 0058a500 /apex/com.android.art/lib/libart.so (art::Method_invoke(_JNIEnv*, _jobject*, _jobject*, _jobjectArray*)+80) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#68 pc 0008a778 /apex/com.android.art/javalib/x86/boot.oat (art_jni_trampoline+168) (BuildId: b386118502376442aa402e8d28c29e95a6eb8614)
#69 pc 0013baa2 /apex/com.android.art/lib/libart.so (art_quick_invoke_stub+338) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#70 pc 001d0501 /apex/com.android.art/lib/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+241) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#71 pc 00386881 /apex/com.android.art/lib/libart.so (art::interpreter::ArtInterpreterToCompiledCodeBridge(art::Thread*, art::ArtMethod*, art::ShadowFrame*, unsigned short, art::JValue*)+385) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#72 pc 0037abbe /apex/com.android.art/lib/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+1070) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#73 pc 007a3017 /apex/com.android.art/lib/libart.so (MterpInvokeVirtual+967) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#74 pc 00135921 /apex/com.android.art/lib/libart.so (mterp_op_invoke_virtual+33) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#75 pc 00449446 /system/framework/framework.jar (offset 0x125d000) (com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run+22)
#76 pc 0036fc82 /apex/com.android.art/lib/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.llvm.10914192770458939989)+370) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#77 pc 00379c80 /apex/com.android.art/lib/libart.so (art::interpreter::EnterInterpreterFromEntryPoint(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*)+176) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#78 pc 0078d185 /apex/com.android.art/lib/libart.so (artQuickToInterpreterBridge+1061) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#79 pc 0014238d /apex/com.android.art/lib/libart.so (art_quick_to_interpreter_bridge+77) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#80 pc 00893656 /system/framework/x86/boot-framework.oat (com.android.internal.os.ZygoteInit.main+2102) (BuildId: 6267c422a69286b583c337676c46b2cbf1d3b60c)
#81 pc 0013bc72 /apex/com.android.art/lib/libart.so (art_quick_invoke_static_stub+418) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#82 pc 001d0512 /apex/com.android.art/lib/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+258) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#83 pc 006304b3 /apex/com.android.art/lib/libart.so (art::JValue art::InvokeWithVarArgs<art::ArtMethod*>(art::ScopedObjectAccessAlreadyRunnable const&, _jobject*, art::ArtMethod*, char*)+579) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#84 pc 00630985 /apex/com.android.art/lib/libart.so (art::JValue art::InvokeWithVarArgs<_jmethodID*>(art::ScopedObjectAccessAlreadyRunnable const&, _jobject*, _jmethodID*, char*)+85) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#85 pc 004cf63f /apex/com.android.art/lib/libart.so (art::JNI<true>::CallStaticVoidMethodV(_JNIEnv*, _jclass*, _jmethodID*, char*)+735) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#86 pc 0008f90e /system/lib/libandroid_runtime.so (_JNIEnv::CallStaticVoidMethod(_jclass*, _jmethodID*, ...)+62) (BuildId: 93b8a76261a5d972cc69b8b7c6e74be9)
#87 pc 00098c8e /system/lib/libandroid_runtime.so (android::AndroidRuntime::start(char const*, android::Vector<android::String8> const&, bool)+910) (BuildId: 93b8a76261a5d972cc69b8b7c6e74be9)
#88 pc 00003804 /system/bin/app_process32 (main+1588) (BuildId: c5eedbfb6130af84c3db8e121fb1202e)
#89 pc 000522e3 /apex/com.android.runtime/lib/bionic/libc.so (__libc_init+115) (BuildId: 6e3a0180fa6637b68c0d181c343e6806)
"Signal Catcher" sysTid=4672
#00 pc 00000b99 [vdso] (__kernel_vsyscall+9)
#01 pc 000ce821 /apex/com.android.runtime/lib/bionic/libc.so (__rt_sigtimedwait+33) (BuildId: 6e3a0180fa6637b68c0d181c343e6806)
#02 pc 00086c55 /apex/com.android.runtime/lib/bionic/libc.so (sigwait+69) (BuildId: 6e3a0180fa6637b68c0d181c343e6806)
#03 pc 00667d7d /apex/com.android.art/lib/libart.so (art::SignalCatcher::WaitForSignal(art::Thread*, art::SignalSet&)+461) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#04 pc 0066675f /apex/com.android.art/lib/libart.so (art::SignalCatcher::Run(void*)+479) (BuildId: bf39832c4acabbc939d5c516b6f1d211)
#05 pc 000e6974 /apex/com.android.runtime/lib/bionic/libc.so (__pthread_start(void*)+100) (BuildId: 6e3a0180fa6637b68c0d181c343e6806)
#06 pc 00078567 /apex/com.android.runtime/lib/bionic/libc.so (__start_thread+71) (BuildId: 6e3a0180fa6637b68c0d181c343e6806)
debuggerdはこの辺かなぁ
gdb ビルド
- MSYS2のインストール
- ターミナルからツールチェインを入れていく
5 pacman -S base-devel
7 pacman -S msys2-devel
8 pacman -S mingw-w64-i686-toolchain
9 pacman -S mingw-w64-x86_64-toolchain
10 pacman -S make openssh git
11 pacman -S vim
42 pacman -S expr
43 pacman -S isl
44 pacman -S isl-devel
89 pacman -S libgmp
90 pacman -S gmp-devel
91 pacman -S gmp
94 pacman -S mpc mpfr mpc-devel mpfr-devel
123 pacman -S mpc-devel
124 pacman -S mpc
- mingw64のincludeとlibを指定する必要がある
./configure --host=x86_64-w64-mingw32 --enable-targets=all --disable-binutils --disable-ld --disable-gold --disable-gas --disable-sim --disable-gprof CXXFLAGS='-g3 -O0' CFLAGS='-g3 -O0 -I/mingw64/include' LDFLAGS=' -L/mingw64/lib';make
gdb で接続
adb root
adb forward tcp:5039 tcp:5039
gdbserver --attach :5039 `ps -ef | grep kotlin | grep -v grep | awk '{print $2}'`
$ cat .gdbinit
set pagination off
target remote 127.0.0.1:5039
thread apply all bt
c
コード
# include <jni.h>
# include <string>
# include <pthread.h>
# include <unistd.h>
# include <sys/types.h>
# include <sys/syscall.h>
# include <iostream>
# include <iomanip>
# include <unwind.h>
# include <dlfcn.h>
# include <sstream>
# include <android/log.h>
struct BacktraceState
{
void** current;
void** end;
};
static _Unwind_Reason_Code unwindCallback(struct _Unwind_Context* context, void* arg)
{
BacktraceState* state = static_cast<BacktraceState*>(arg);
uintptr_t pc = _Unwind_GetIP(context);
if (pc) {
if (state->current == state->end) {
return _URC_END_OF_STACK;
} else {
*state->current++ = reinterpret_cast<void*>(pc);
}
}
return _URC_NO_REASON;
}
size_t captureBacktrace(void** buffer, size_t max)
{
BacktraceState state = {buffer, buffer + max};
_Unwind_Backtrace(unwindCallback, &state);
return state.current - buffer;
}
void dumpBacktrace(std::ostream& os, void** buffer, size_t count)
{
for (size_t idx = 0; idx < count; ++idx) {
const void* addr = buffer[idx];
const char* symbol = "";
const char* blank = "";
Dl_info info;
if (dladdr(addr, &info) && info.dli_sname) {
symbol = info.dli_sname;
} else {
symbol = blank;
}
os << " #" << std::setw(2) << idx << ": " << addr << " " << symbol << "\n";
}
}
extern "C"
JNIEXPORT jstring JNICALL
Java_jp_co_try_1hard_kotlinsample_MainActivity_stackTrace(JNIEnv *env, jobject thiz) {
const size_t max = 30;
void* buffer[max];
std::ostringstream oss;
dumpBacktrace(oss, buffer, captureBacktrace(buffer, max));
sleep(30);
return env->NewStringUTF(oss.str().c_str());
}
javaはlibartで実行されている。
gdbで見れない理由はわからない
C++だけでWindow表示
動かすとこんな感じ
アプリ起動の流れ
export CLASSPATH=/system/framework/am.jar ;exec /system/bin/app_process32 /system/bin com.android.commands.am.Am start -n jp.co.try_hard.empty_kotlin/.MainActivity