[KDE/Mac] Review Request 121286: Adding support for lldb in DrKonqi (step 1)
Pino Toscano
pino at kde.org
Fri Nov 28 23:09:57 UTC 2014
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Please remove the translations from the lldbrc files; scripty will handle them.
drkonqi/backtracegenerator.cpp
<https://git.reviewboard.kde.org/r/121286/#comment49642>
Shouldn't this rather be some attribute in the rc file, instead of hardcoding the lldb behaviour in the code?
- Pino Toscano
On Nov. 28, 2014, 10:50 p.m., René J.V. Bertin wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/121286/
> -----------------------------------------------------------
>
> (Updated Nov. 28, 2014, 10:50 p.m.)
>
>
> Review request for KDE Software on Mac OS X and KDE Runtime.
>
>
> Repository: kde-runtime
>
>
> Description
> -------
>
> DrKonqi currently lacks support for lldb, which means KDE users on recent OS X versions cannot generate and submit post-mortem backtraces.
>
> The patches in this RR introduce simple logic (based on *compile-time* OS version detection) to select either gdb or lldb, as well as appropriate lldbrc files.
>
> This is the first step to be taken: determine when lldb should be launched, and how (to obtain a backtrace).
>
>
> Diffs
> -----
>
> drkonqi/backtracegenerator.cpp 1107e11
> drkonqi/data/debuggers/external/lldbrc PRE-CREATION
> drkonqi/data/debuggers/internal/lldbrc PRE-CREATION
> drkonqi/drkonqibackends.cpp 064d07d
>
> Diff: https://git.reviewboard.kde.org/r/121286/diff/
>
>
> Testing
> -------
>
> On OS X 10.9.4 with kdelibs git/4.14 .
> Launching lldb works, as does the BatchCommand to obtain a backtrace; parsing of that information will be tackled later.
> The backtrace isn't particularly useful though, because it doesn't (always/never/...?) display the location of the crash and steps leading up to it:
>
> ```
> Application: Kate (kate), signal: Segmentation fault: 11
> (lldb) process attach --pid 88853
> Process 88853 stopped
> Executable module set to "/opt/local/bin/kate".
> Architecture set to: x86_64-apple-macosx.
> (lldb) command source -s 0 '/private/var/folders/j1/1439ppj08xj8h6006s6drbq00000gs/T/kde-bertin/drkonqiB88857.tmp'
> Executing commands in '/private/var/folders/j1/1439ppj08xj8h6006s6drbq00000gs/T/kde-bertin/drkonqiB88857.tmp'.
> (lldb) set set term-width 200
> (lldb) set set interpreter.prompt-on-quit false
> (lldb) thread info
> thread #1: tid = 0x1bda48, 0x00007fff8cb85e20 libsystem_kernel.dylib`__wait4 + 8, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
>
> (lldb) bt all
> * thread #1: tid = 0x1bda48, 0x00007fff8cb85e20 libsystem_kernel.dylib`__wait4 + 8, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
> * frame #0: 0x00007fff8cb85e20 libsystem_kernel.dylib`__wait4 + 8
> frame #1: 0x000000010272bc8e libkdeui.5.dylib`KCrash::startProcess(int, char const**, bool) [inlined] startProcessInternal(argc=<unavailable>, directly=<unavailable>) + 265 at kcrash.cpp:556
> frame #2: 0x000000010272bb85 libkdeui.5.dylib`KCrash::startProcess(argc=<unavailable>, argv=<unavailable>, waitAndExit=<unavailable>) + 21 at kcrash.cpp:538
> frame #3: 0x000000010272adb9 libkdeui.5.dylib`KCrash::defaultCrashHandler(sig=<unavailable>) + 1209 at kcrash.cpp:441
> frame #4: 0x00007fff8fe965aa libsystem_platform.dylib`_sigtramp + 26
> frame #5: 0x00007fff8a55c098 libobjc.A.dylib`objc_msgSend + 24
>
> thread #2: tid = 0x1bda4b, 0x00007fff8cb86662 libsystem_kernel.dylib`kevent64 + 10, queue = 'com.apple.libdispatch-manager'
> frame #0: 0x00007fff8cb86662 libsystem_kernel.dylib`kevent64 + 10
> frame #1: 0x00007fff905a1421 libdispatch.dylib`_dispatch_mgr_invoke + 239
> frame #2: 0x00007fff905a1136 libdispatch.dylib`_dispatch_mgr_thread + 52
>
> thread #3: tid = 0x1bda4c, 0x00007fff8cb85e6a libsystem_kernel.dylib`__workq_kernreturn + 10
> frame #0: 0x00007fff8cb85e6a libsystem_kernel.dylib`__workq_kernreturn + 10
> frame #1: 0x00007fff8f5d6f08 libsystem_pthread.dylib`_pthread_wqthread + 330
> frame #2: 0x00007fff8f5d9fb9 libsystem_pthread.dylib`start_wqthread + 13
>
> thread #4: tid = 0x1bda52, 0x00007fff8cb85e6a libsystem_kernel.dylib`__workq_kernreturn + 10
> frame #0: 0x00007fff8cb85e6a libsystem_kernel.dylib`__workq_kernreturn + 10
> frame #1: 0x00007fff8f5d6f08 libsystem_pthread.dylib`_pthread_wqthread + 330
> frame #2: 0x00007fff8f5d9fb9 libsystem_pthread.dylib`start_wqthread + 13
>
> thread #5: tid = 0x1bda75, 0x00007fff8cb859aa libsystem_kernel.dylib`__select + 10, name = 'com.apple.CFSocket.private'
> frame #0: 0x00007fff8cb859aa libsystem_kernel.dylib`__select + 10
> frame #1: 0x00007fff8b12fa03 CoreFoundation`__CFSocketManager + 867
> frame #2: 0x00007fff8f5d5899 libsystem_pthread.dylib`_pthread_body + 138
> frame #3: 0x00007fff8f5d572a libsystem_pthread.dylib`_pthread_start + 137
> frame #4: 0x00007fff8f5d9fc9 libsystem_pthread.dylib`thread_start + 13
>
> thread #6: tid = 0x1bda83, 0x00007fff8cb81a1a libsystem_kernel.dylib`mach_msg_trap + 10
> frame #0: 0x00007fff8cb81a1a libsystem_kernel.dylib`mach_msg_trap + 10
> frame #1: 0x00007fff8cb80d18 libsystem_kernel.dylib`mach_msg + 64
> frame #2: 0x00007fff8b0e3f15 CoreFoundation`__CFRunLoopServiceMachPort + 181
> frame #3: 0x00007fff8b0e3539 CoreFoundation`__CFRunLoopRun + 1161
> frame #4: 0x00007fff8b0e2e75 CoreFoundation`CFRunLoopRunSpecific + 309
> frame #5: 0x00007fff8e30d05e AppKit`_NSEventThread + 144
> frame #6: 0x00007fff8f5d5899 libsystem_pthread.dylib`_pthread_body + 138
> frame #7: 0x00007fff8f5d572a libsystem_pthread.dylib`_pthread_start + 137
> frame #8: 0x00007fff8f5d9fc9 libsystem_pthread.dylib`thread_start + 13
>
> thread #7: tid = 0x1bdcba, 0x00007fff8cb85a3a libsystem_kernel.dylib`__semwait_signal + 10, name = 'com.apple.appkit-heartbeat'
> frame #0: 0x00007fff8cb85a3a libsystem_kernel.dylib`__semwait_signal + 10
> frame #1: 0x00007fff88fbcdc0 libsystem_c.dylib`nanosleep + 200
> frame #2: 0x00007fff88fbccb2 libsystem_c.dylib`usleep + 54
> frame #3: 0x00007fff8e3d117d AppKit`-[NSUIHeartBeat _heartBeatThread:] + 2132
> frame #4: 0x00007fff9368776b Foundation`__NSThread__main__ + 1318
> frame #5: 0x00007fff8f5d5899 libsystem_pthread.dylib`_pthread_body + 138
> frame #6: 0x00007fff8f5d572a libsystem_pthread.dylib`_pthread_start + 137
> frame #7: 0x00007fff8f5d9fc9 libsystem_pthread.dylib`thread_start + 13
> (lldb) detach
> Process 88853 detached
> (lldb) quit
> ```
>
> Same crash but backtrace generated after starting the app in the debugger (instead of attaching to it):
>
> ```
> * thread #1: tid = 0x1be8ca, 0x0000000101283430 QtGui`qt_mac_create_imagemask(pixmap=<unavailable>, sr=0x00007fff5fbfcbf0) + 752 at qpixmap_mac.cpp:1090, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
> frame #0: 0x0000000101283430 QtGui`qt_mac_create_imagemask(pixmap=<unavailable>, sr=0x00007fff5fbfcbf0) + 752 at qpixmap_mac.cpp:1090
> 1087 for(int y = sy, offset=0; y < sh; ++y) {
> 1088 srow = sptr + (y * (sbpr / 4));
> 1089 for(int x = sx; x < sw; ++x)
> -> 1090 *(dptr+(offset++)) = (*(srow+x) & mask) ? 255 : 0;
> 1091 }
> 1092 QCFType<CGDataProviderRef> provider = CGDataProviderCreateWithData(0, dptr, nbytes, qt_mac_cgimage_data_free);
> 1093 px->cg_mask = CGImageMaskCreate(sw, sh, 8, 8, nbytes / sh, provider, 0, 0);
> [snip]
> (lldb) bt all
> * thread #1: tid = 0x1be8ca, 0x0000000101283430 QtGui`qt_mac_create_imagemask(pixmap=<unavailable>, sr=0x00007fff5fbfcbf0) + 752 at qpixmap_mac.cpp:1090, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
> * frame #0: 0x0000000101283430 QtGui`qt_mac_create_imagemask(pixmap=<unavailable>, sr=0x00007fff5fbfcbf0) + 752 at qpixmap_mac.cpp:1090
> frame #1: 0x000000010139dafb QtGui`qt_mac_draw_pattern(info=0x0000000105089e10, c=0x000000011232fd30) + 907 at qpaintengine_mac.cpp:494
> frame #2: 0x00007fff93e1ca6f CoreGraphics`CGPatternDelegateDrawPattern + 66
> frame #3: 0x00000001126d475a libPDFRIP.A.dylib`PDFPatternEmitDefinition + 1299
> frame #4: 0x00000001126d49c6 libPDFRIP.A.dylib`emitPatternDefinition + 14
> frame #5: 0x00007fff8b0d1382 CoreFoundation`__CFSetApplyFunction_block_invoke + 18
> frame #6: 0x00007fff8b0b58fc CoreFoundation`CFBasicHashApply + 124
> frame #7: 0x00007fff8b0d133d CoreFoundation`CFSetApplyFunction + 173
> frame #8: 0x00000001126d4993 libPDFRIP.A.dylib`PDFPatternSetEmitDefinitions + 71
> frame #9: 0x00000001126caa0c libPDFRIP.A.dylib`emit_page_resources(PDFDocument*) + 59
> frame #10: 0x00000001126ca9b0 libPDFRIP.A.dylib`PDFDocumentEndPage + 73
> frame #11: 0x00000001126c9570 libPDFRIP.A.dylib`pdf_EndPage + 17
> frame #12: 0x00007fff8f7e7ea3 PrintCore`pdfSpoolingEndPage(void*, void*) + 345
> frame #13: 0x00007fff8f7df835 PrintCore`PJCEndPage(OpaquePMPrintSession*) + 40
> frame #14: 0x00007fff8f7bd3b6 PrintCore`PMSessionEndPageNoDialog + 80
> frame #15: 0x00000001011812c7 QtGui`QMacPrintEngine::end() + 103
> frame #16: 0x00000001012dad0e QtGui`QPainter::end(this=<unavailable>) + 142 at qpainter.cpp:1963
> frame #17: 0x000000010d841159 libkatepartinterfaces.4.dylib`KatePrinter::print(doc=<unavailable>) + 17097 at kateprinter.cpp:669
> frame #18: 0x000000010d69533a libkatepartinterfaces.4.dylib`KateDocument::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [inlined] KateDocument::print() + 1994 at katedocument.cpp:1855
> frame #19: 0x000000010d695332 libkatepartinterfaces.4.dylib`KateDocument::qt_static_metacall(_o=0x000000010508be40, _c=<unavailable>, _id=<unavailable>, _a=0x00007fff5fbfdd40) + 1986 at katedocument.moc:267
> frame #20: 0x000000010276b3fd QtCore`QMetaObject::activate(sender=0x00000001036d1b20, m=<unavailable>, local_signal_index=<unavailable>, argv=<unavailable>) + 1693 at qobject.cpp:3567
> frame #21: 0x00000001011bd419 QtGui`QAction::activate(QAction::ActionEvent) [inlined] QAction::triggered(this=0x00000001036d1b20, _t1=false) + 233 at moc_qaction.cpp:277
> frame #22: 0x00000001011bd3f1 QtGui`QAction::activate(this=0x00000001036d1b20, event=<unavailable>) + 193 at qaction.cpp:1257
> frame #23: 0x0000000101171c91 QtGui`-[QCocoaMenuLoader qtDispatcherToQAction:] + 65
> frame #24: 0x00007fff8e38b260 AppKit`-[NSApplication sendAction:to:from:] + 327
> frame #25: 0x00007fff8e3a61c8 AppKit`-[NSMenuItem _corePerformAction] + 394
> frame #26: 0x00007fff8e3a5f04 AppKit`-[NSCarbonMenuImpl performActionWithHighlightingForItemAtIndex:] + 117
> frame #27: 0x00007fff8e3a507c AppKit`-[NSMenu performKeyEquivalent:] + 289
> frame #28: 0x00007fff8e3a18e1 AppKit`-[NSApplication _handleKeyEquivalent:] + 822
> frame #29: 0x00007fff8e310acc AppKit`-[NSApplication sendEvent:] + 3293
> frame #30: 0x00000001011720fe QtGui`-[QNSApplication sendEvent:] + 78
> frame #31: 0x00007fff8e1609f9 AppKit`-[NSApplication run] + 646
> frame #32: 0x000000010117aba0 QtGui`QEventDispatcherMac::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 528
> frame #33: 0x00000001027508ad QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined] QFlags(this=0x00007fff00000024) + 9 at qglobal.h:2319
> frame #34: 0x00000001027508a4 QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined] QFlags(this=0x00007fff00000024) at qglobal.h:2319
> frame #35: 0x00000001027508a4 QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined] QFlags<QEventLoop::ProcessEventsFlag>::operator|(this=<unavailable>, f=EventLoopExec) const + 59 at qeventloop.cpp:149
> frame #36: 0x0000000102750869 QtCore`QEventLoop::exec(this=0x00007fff5fbfe500, flags=(i = 0)) + 409 at qeventloop.cpp:204
> frame #37: 0x0000000102753ac7 QtCore`QCoreApplication::exec() + 199 at qcoreapplication.cpp:1225
> frame #38: 0x0000000100011693 libkdeinit4_kate.dylib`kdemain(argc=<unavailable>, argv=<unavailable>) + 13507 at katemain.cpp:381
> frame #39: 0x00007fff8d6075fd libdyld.dylib`start + 1
> frame #40: 0x00007fff8d6075fd libdyld.dylib`start + 1
>
> thread #2: tid = 0x1be8ee, 0x00007fff8cb86662 libsystem_kernel.dylib`kevent64 + 10, queue = 'com.apple.libdispatch-manager'
> frame #0: 0x00007fff8cb86662 libsystem_kernel.dylib`kevent64 + 10
> frame #1: 0x00007fff905a1421 libdispatch.dylib`_dispatch_mgr_invoke + 239
> frame #2: 0x00007fff905a1136 libdispatch.dylib`_dispatch_mgr_thread + 52
>
> thread #3: tid = 0x1be8ef, 0x00007fff8cb85e6a libsystem_kernel.dylib`__workq_kernreturn + 10
> frame #0: 0x00007fff8cb85e6a libsystem_kernel.dylib`__workq_kernreturn + 10
> frame #1: 0x00007fff8f5d6f08 libsystem_pthread.dylib`_pthread_wqthread + 330
> frame #2: 0x00007fff8f5d9fb9 libsystem_pthread.dylib`start_wqthread + 13
>
> thread #4: tid = 0x1be8f0, 0x00007fff8cb85e6a libsystem_kernel.dylib`__workq_kernreturn + 10
> frame #0: 0x00007fff8cb85e6a libsystem_kernel.dylib`__workq_kernreturn + 10
> frame #1: 0x00007fff8f5d6f08 libsystem_pthread.dylib`_pthread_wqthread + 330
> frame #2: 0x00007fff8f5d9fb9 libsystem_pthread.dylib`start_wqthread + 13
>
> thread #5: tid = 0x1be8fe, 0x00007fff8cb85e6a libsystem_kernel.dylib`__workq_kernreturn + 10
> frame #0: 0x00007fff8cb85e6a libsystem_kernel.dylib`__workq_kernreturn + 10
> frame #1: 0x00007fff8f5d6f08 libsystem_pthread.dylib`_pthread_wqthread + 330
> frame #2: 0x00007fff8f5d9fb9 libsystem_pthread.dylib`start_wqthread + 13
>
> thread #6: tid = 0x1be909, 0x00007fff8cb859aa libsystem_kernel.dylib`__select + 10, name = 'com.apple.CFSocket.private'
> frame #0: 0x00007fff8cb859aa libsystem_kernel.dylib`__select + 10
> frame #1: 0x00007fff8b12fa03 CoreFoundation`__CFSocketManager + 867
> frame #2: 0x00007fff8f5d5899 libsystem_pthread.dylib`_pthread_body + 138
> frame #3: 0x00007fff8f5d572a libsystem_pthread.dylib`_pthread_start + 137
> frame #4: 0x00007fff8f5d9fc9 libsystem_pthread.dylib`thread_start + 13
>
> thread #7: tid = 0x1be915, 0x00007fff8cb81a1a libsystem_kernel.dylib`mach_msg_trap + 10
> frame #0: 0x00007fff8cb81a1a libsystem_kernel.dylib`mach_msg_trap + 10
> frame #1: 0x00007fff8cb80d18 libsystem_kernel.dylib`mach_msg + 64
> frame #2: 0x00007fff8b0e3f15 CoreFoundation`__CFRunLoopServiceMachPort + 181
> frame #3: 0x00007fff8b0e3539 CoreFoundation`__CFRunLoopRun + 1161
> frame #4: 0x00007fff8b0e2e75 CoreFoundation`CFRunLoopRunSpecific + 309
> frame #5: 0x00007fff8e30d05e AppKit`_NSEventThread + 144
> frame #6: 0x00007fff8f5d5899 libsystem_pthread.dylib`_pthread_body + 138
> frame #7: 0x00007fff8f5d572a libsystem_pthread.dylib`_pthread_start + 137
> frame #8: 0x00007fff8f5d9fc9 libsystem_pthread.dylib`thread_start + 13
>
> thread #8: tid = 0x1be963, 0x00007fff8cb85e6a libsystem_kernel.dylib`__workq_kernreturn + 10
> frame #0: 0x00007fff8cb85e6a libsystem_kernel.dylib`__workq_kernreturn + 10
> frame #1: 0x00007fff8f5d6f08 libsystem_pthread.dylib`_pthread_wqthread + 330
> frame #2: 0x00007fff8f5d9fb9 libsystem_pthread.dylib`start_wqthread + 13
>
> thread #9: tid = 0x1bea53, 0x00007fff8cb85a3a libsystem_kernel.dylib`__semwait_signal + 10, name = 'com.apple.appkit-heartbeat'
> frame #0: 0x00007fff8cb85a3a libsystem_kernel.dylib`__semwait_signal + 10
> frame #1: 0x00007fff88fbcdc0 libsystem_c.dylib`nanosleep + 200
> frame #2: 0x00007fff88fbccb2 libsystem_c.dylib`usleep + 54
> frame #3: 0x00007fff8e3d117d AppKit`-[NSUIHeartBeat _heartBeatThread:] + 2132
> frame #4: 0x00007fff9368776b Foundation`__NSThread__main__ + 1318
> frame #5: 0x00007fff8f5d5899 libsystem_pthread.dylib`_pthread_body + 138
> frame #6: 0x00007fff8f5d572a libsystem_pthread.dylib`_pthread_start + 137
> frame #7: 0x00007fff8f5d9fc9 libsystem_pthread.dylib`thread_start + 13
> ```
>
>
> Thanks,
>
> René J.V. Bertin
>
>
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