How to trace without binary and with core file.

Hello all,

I have been given just the core file ( without the binary ). Is there a way to backtrace the core file without the binary?
If so, how can I achieve that ?
Is that possible with gdb ?
If not, is there any other tool for debugging such files ?

Thanks in advance,
Murugesan

I'm sorry, what do you mean "core file"? I've personally never heard the term before. I would guess you were speaking of a source file, but since you are using a debugger, I'd guess you are a programmer, who would know what a source file is....


-Steven
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core file in the previous message I refered to as the file that will be created when there is a segmentation fault.
For example
main()
{
int *p=(int*)0x16253;
printf("%d",*p);
}

This will produce the core file after execution. FYI I am using HPUX.
and for tracing the core dump,
I used to use
# gdb a.out core
which on executing backtrace command will give me the coredump trace.

on HPUX


will let you look at the core file. But it can't do much with the symbols, and if was not specified for the user, you have no guaranteee that you got a complete core.

And if it segfaulted because of buffer overrun re-writing RET on the stack you are kinda out of luck.

That is why I have moved this thread to the UNIX Help forum.

Thanks php4geek for getting me right here.
jim, I got it. Thanks.

Hey, thanks for the lesson, murugesan n jim. I've experienced seg faults before, but never bothered checking out the core file. (always just deleted it.) That was cool.

-Steven
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