This is the mail archive of the
gdb@sourceware.org
mailing list for the GDB project.
Re: Why won't gdb stop on packed (UPX) file breakpoint at entrypoint?
- From: Daniel Jacobowitz <drow at false dot org>
- To: gdb guy <gdb dot guy1 at gmail dot com>
- Cc: gdb <gdb at sourceware dot org>
- Date: Wed, 26 Mar 2008 17:00:50 -0400
- Subject: Re: Why won't gdb stop on packed (UPX) file breakpoint at entrypoint?
- References: <d662e0a00803261357j67d6e795w364ed3fc5d891f26@mail.gmail.com>
On Wed, Mar 26, 2008 at 04:57:02PM -0400, gdb guy wrote:
> (gdb) b *0xc07fd0
> Breakpoint 1 at 0xc07fd0
> (gdb) r
Known bug (well, sort of a bug, sort of a feature) in GDB. Use x/2i
0xc07fd0 and set the breakpoint at the second instruction.
> Also, just for my own benefit, and those who google after me, on GDB
> 6.3 (which I have on another older VM) what does DSO stand for when it
> says "Loading system supplied DSO at 0xc00000"?
Dynamic Shared Object. Google for vDSO.
--
Daniel Jacobowitz
CodeSourcery