----- Original Message ----- > Crash's bt command doesn't provide function arguments/types as part of the > backtrace (use bt not gdb's bt). There's an extension module here that may > provide what you want: > > http://people.redhat.com/anderson/extensions.html#FP > > There a lot of history on the mailing list about wanting to use gdb's bt > command if you want to have a read of it. You got that right -- this post points to several earlier threads: Re: Getting access to function parameters https://www.redhat.com/archives/crash-utility/2012-December/msg00029.html Dave > > > -----Original Message----- > From: crash-utility-bounces@xxxxxxxxxx > [mailto:crash-utility-bounces@xxxxxxxxxx] On Behalf Of Cody P Schafer > Sent: Tuesday, September 10, 2013 9:07 AM > To: crash-utility@xxxxxxxxxx; kexec@xxxxxxxxxxxxxxxxxxx > Subject: given a makedumpfile processed coredump, generate a > symbolic backtrace containing the same info as a standard gdb backtrace > > > Hi all, > > I've got a coredump file processed by makedumpfile (non-elf) and am trying to > get a backtrace with all the line numbers, argument values, and argument > types like a normal gdb backtrace with debug info (yes, I have a vmlinux > built with debuginfo). > > gdb refuses to load the core dump (no big supprise there). crash loads it but > it's builtin backtrace doesn't appear to use debug info, and as a result > doesn't give me arguments + types. Doing "gdb bt" complains about not having > a stack. > > Any advise? I see a few paths forward: > > - somehow get crash's gdb to understand where the stack is > - hack gdb to load the non-elf coredump > - modify makedumpfile to allow it to convert the non-elf coredump back to > elf. > > Thanks. > > -- > Crash-utility mailing list > Crash-utility@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/crash-utility > > -- > Crash-utility mailing list > Crash-utility@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/crash-utility > -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility
