On Wed, Jul 19, 2006 at 08:43:57AM +0000, Steve Ellenoff wrote: > #3) Anytime I try to dump the instruction at the current IP such as: > (gdb) x /10i $eip > > I get this - which means it's not actually reading or displaying the memory > properly, since those look to be what you would see if it was all 0 in > memory (or maybe it's all 0xff - whichever).l > > 0xe05f: add %al,(%eax)
qemu doesn't report memory errors to GDB. It reports -1 values instead. This is annoying. I think I posted a patch for it once and never followed up when it was ignored. It might be reading the wrong address; it might be confused due to segmenting; it might be looking at something that would require a TLB fault. > #4) Can you use gdb to debug and set breakpoints on binary code you don't > have any source code or other file for the binary, except the binary file > itself? Everything I've read so far on GDB (and especially any GDB Gui > front end) seems to suggest it's not possible. That would really suck. Sure you can. It will just work. -- Daniel Jacobowitz CodeSourcery _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel
