Re: How to pin point where is the exception from a Backtrace in XCode
Re: How to pin point where is the exception from a Backtrace in XCode
- Subject: Re: How to pin point where is the exception from a Backtrace in XCode
- From: n179911 <email@hidden>
- Date: Tue, 4 Aug 2009 19:30:30 -0700
On Tue, Aug 4, 2009 at 7:20 PM, Jason Molenda<email@hidden> wrote:
> This backtrace was made without debug info (a dSYM) or the tool that
> produced the backtrace did not try to provide file+line information from the
> debug info.
>
Thank you for your detailed explanation first of all. I am not sure
why the backtrace was made without debug info. It is chrome Xcodde
project, so I go to 'Build and Debug'. The build is successful. Please
tell me to build with debug info?
> You can demangle the names of your functions from the command line like this
> -
>
> $ echo _Z18PR_ParseTimeStringPKciPx | c++filt -n
>
Can you please tell em which directory I should go to execute this command?
Thank you for your help again.
> But without a dSYM made for your binary, you won't be able to get a
> file+line. If you're familiar with i386 assembly you can often figure it
> out if you disassemble the function and read closely.
>
> If you have a dSYM for this application, load it into gdb and try
>
> (gdb) info line *0x0066cf55
>
> J
>
> On Aug 4, 2009, at 7:13 PM, n179911 wrote:
>
>> Hi,
>>
>> In my Xcode console, I get the following backtrace during debug: Can
>> you please tell me how can I find out which line of which file causing
>> the fault?
>>
>> Thank you.
>>
>>
>> Backtrace:
>> 0 Chromium 0x0066cf55
>> _Z18PR_ParseTimeStringPKciPx + 50879
>> 1 Chromium 0x00691e88
>> _Z18PR_ParseTimeStringPKciPx + 202226
>> 2 Chromium 0x006b7c02
>> _Z18PR_ParseTimeStringPKciPx + 357228
>> 3 Chromium 0x000bf9ae start + 774718
>> 4 Chromium 0x005e076f
>> _ZNK2v86HandleINS_6NumberEEdeEv + 110403
>> 5 Chromium 0x005e0818
>> _ZNK2v86HandleINS_6NumberEEdeEv + 110572
>> 6 Chromium 0x005f7510
>> _ZNK2v86HandleINS_6NumberEEdeEv + 204004
>> 7 Chromium 0x00dc524b
>> _ZN2v86LockerC2Ev + 2192009
>> 8 Chromium 0x0121f98f
>> _ZNK2v86HandleINS_5ValueEEeqIS1_EEbNS0_IT_EE + 473537
>> 9 Chromium 0x0121fb17
>> _ZNK2v86HandleINS_5ValueEEeqIS1_EEbNS0_IT_EE + 473929
>> 10 Chromium 0x0121fbe3
>> _ZNK2v86HandleINS_5ValueEEeqIS1_EEbNS0_IT_EE + 474133
>> 11 Chromium 0x01200f8f
>> _ZNK2v86HandleINS_5ValueEEeqIS1_EEbNS0_IT_EE + 348097
>> 12 Chromium 0x012476a8
>> _ZN2v810PersistentINS_5ValueEE7DisposeEv + 62598
>> 13 Chromium 0x01244850
>> _ZN2v810PersistentINS_5ValueEE7DisposeEv + 50734
>> 14 Chromium 0x0186c46b
>> _ZN2v86HandleINS_5ValueEEC1INS_6NumberEEENS0_IT_EE + 820077
>> 15 Chromium 0x00de1984
>> _ZN2v86LockerC2Ev + 2308546
>> 16 Chromium 0x000aaf4f start + 690143
>> 17 Chromium 0x000ace6e start + 698110
>> 18 Chromium 0x000af6b2 start + 708418
>> 19 Chromium 0x000aa08d start + 686365
>> 20 Chromium 0x000ab7a9 start + 692281
>> 21 Chromium 0x0002fcb1 start + 185665
>> 22 Chromium 0x00c0ed75
>> _ZN2v86LockerC2Ev + 396723
>> 23 Chromium 0x00c100ef
>> _ZN2v86LockerC2Ev + 401709
>> 24 Chromium 0x00c1012b
>> _ZN2v86LockerC2Ev + 401769
>> 25 Chromium 0x00694c95
>> _Z18PR_ParseTimeStringPKciPx + 214015
>> 26 Chromium 0x00695059
>> _Z18PR_ParseTimeStringPKciPx + 214979
>> 27 Chromium 0x006954db
>> _Z18PR_ParseTimeStringPKciPx + 216133
>> 28 Chromium 0x0069eb91
>> _Z18PR_ParseTimeStringPKciPx + 254715
>> 29 Chromium 0x00695e8d
>> _Z18PR_ParseTimeStringPKciPx + 218615
>> 30 Chromium 0x00695ea9
>> _Z18PR_ParseTimeStringPKciPx + 218643
>> 31 Chromium 0x00695f34
>> _Z18PR_ParseTimeStringPKciPx + 218782
>> 32 Chromium 0x0061e83e
>> _ZNK2v86HandleINS_6NumberEEdeEv + 364562
>> 33 Chromium 0x00003e83 start + 5907
>> 34 Chromium 0x000028e7 start + 375
>> 35 Chromium 0x000027a6 start + 54
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