Re: [Qemu-devel] QEMU via GDB

[Robert Wang]

What is your configure parameters?
I think you could try like this:
./configure --enable-debug --extra-cflags="-g3 -O0"

And I did not find options like disable-gfx-check.

2011/10/21 Davide <address@hidden>:
> Dear all,
> I am trying to debug QEMU via GDB.
>
>
> I configured and compiled QEMU with debugging flags, i.e.,
> # CFLAGS="-g3 -O0" ./configure --disable-gfx-check
>
>
> and run gdb:
>
>
> # gdb ./i386-linux-user/qemu-i386
>
>
> (gdb) break main
> (gdb) run
>
> Starting program: /home/test/femu/i386-linux-user/qemu-i386
> Failed to read a valid object file image from memory.
> Warning:
> Cannot insert breakpoint 1.
> Error accessing memory address 0x2f7df: Input/output error.
>
>
> Is there any extra flag to be specified with the GDB for QEMU debugging? I
> am wondering if the QEMU virtual machine creates any problem to the GDB
> virtual machine.
>
>
> Thanks.
>
>
> G.
>
>