Re: GDB from current broken on mips64eb

On 2016/09/11 11:58, Rin Okuyama wrote:
> GDB 7.10.1 from current (20160910) on ERLITE (mips64eb, n32 ABI)
> seems broken:
>
>   % cc -g -O0 hello.c && gdb ./a.out
>   GNU gdb (GDB) 7.10.1
>   (snip)
>   Reading symbols from ./a.out...done.
>   (gdb) r
>   Starting program: /home/rin/a.out
>   Hello, World!
>
> Then, it hangs indefinitely. The target process became zombie,
> and it cannot be killed even with "kill -9":
...snip...

The origin of the problem turned out to be missing COMPAT_NETBSD32
support for ptrace(2). I booked PR with patch as kern/51514:

   http://gnats.netbsd.org/51514

With this patch, GDB works fine in N32 userland on mips64 kernel.

Thanks,
Rin