Re: problem about SIGSEGV and backtrace

[Paul Davis <paul linuxaudiosystems com>]

On Tue, 2007-08-14 at 15:25 +0100, P�aig Brady wrote:
> dashikugua 126 com wrote:
> > Hi all:
> >  
> >     I want to use SIGSEGV and backtrace  to debug my programme. But I do
> > not know how to use them. I'm running GTK 2.6.4 and Glib 2.6.4 on a
> > Debian woody.
> >    
> >     Could you please guide me and tell where to find what I am looking for?
> >    
> >     Any help will be most appreciated. Thanks a lot.
> 
> Try linking to the following (with the -rdynamic linker option),
> and just call the install_back_trace() function somewhere at startup:
> 
> http://www.pixelbeat.org/libs/trace.h
> http://www.pixelbeat.org/libs/trace.c

if you are using glibc, then the functions

	backtrace
	backtrace_symbols

are builtin. google for them.

of course, most people use a debugger to backtrace after a segfault,
because its frequently more useful & powerful.

--p