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Stack tracing [message #38857]

Thu, 24 January 2013 13:49

Zbych
Messages: 332
Registered: July 2009

Senior Member

Hi,

Since assertion messages aren't very helpful in hunting for bugs, I decided to add some extra help to them (at least for gcc users). Modified Core/Utils.ccp/AssertFailed displays call stack similar to this one:

Stack trace:
Upp::AddStackTrace(char*, int)
Upp::AssertFailed(char const*, int, char const*)
Upp::AString<Upp::String0>::operator[](int) const
Upp::CCTalk::GetAsciiData(int, int, Upp::String&)
Upp::CCTalk::EquipmentID(int, Upp::String&)
Upp::CCTalk::FindDevs()
Upp::CCTalk::WorkingThread()
Upp::CallbackMethodAction<Upp::CCTalk, void (Upp::CCTalk::*)()>::Execute()
Upp::Callback::Execute() const
Upp::Callback::operator()() const

clone

All you need (beside modified version of Core/Utils.cpp) is '-rdynamic' added to linker options in your application.
Disadvantages? Bigger executable, much longer linking time and of course visible function names.
Debug symbols are not necessary, all function names are kept in .dynsym section.

Without -rdynamic, call stack looks like this one:

Stack trace:
() [0x82bf968]
() [0x82bfc18]
() [0x8053fbe]
() [0x8052948]
() [0x8053c51]
() [0x80522b0]
() [0x8053009]
() [0x8054d26]
() [0x825cb0a]
() [0x8050fd3]
() [0x8241889]
(
(clone

Edit:
New version of Util.cpp is uploaded.

Attachment: Util.cpp
(Size: 16.75KB, Downloaded 436 times)

[Updated on: Fri, 03 May 2013 17:08]

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[Message index]

		Stack tracing By: Zbych on Thu, 24 January 2013 13:49
		Re: Stack tracing By: mirek on Thu, 24 January 2013 19:32
		Re: Stack tracing By: Zbych on Thu, 24 January 2013 19:52
		Re: Stack tracing By: Zbych on Fri, 03 May 2013 17:13
		Re: Stack tracing By: Zbych on Tue, 18 March 2014 11:17
		Re: Stack tracing By: mirek on Tue, 18 March 2014 11:33
		Re: Stack tracing By: Zbych on Wed, 19 March 2014 11:19
		Re: Stack tracing By: mirek on Wed, 19 March 2014 19:31
		Re: Stack tracing By: Zbych on Fri, 05 December 2014 12:43
		Re: Stack tracing By: mirek on Fri, 05 December 2014 16:50

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