Re: gdbserver: Target description specified unknown architecture “aarch64”

understand, question is how to add more supported machines on gdb ...

On Thu, Nov 29, 2018 at 1:22 AM Pedro Alves <[email protected]> wrote:

> On 11/28/2018 10:42 PM, Peter Balazovic wrote:
> > this is mine config available on gdb
> >
> > (gdb) show configuration
> > This GDB was configured as follows:
> >    configure --host=x86_64-w64-mingw32 --target=x86_64-w64-mingw32
>                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> As suspected, here's the problem ^^
>
> > ("Relocatable" means the directory can be moved with the GDB installation
> > tree, and GDB will still find it.)
> > (gdb) set architecture
> > auto               i386:intel         i386:x64-32        i386:x64-32:nacl
> >  i386:x86-64:intel  i8086
> > i386               i386:nacl          i386:x64-32:intel  i386:x86-64
> > i386:x86-64:nacl
>
> As you can see, your build of gdb only supports x86 machines.
>
> With an --enable-targets=all build, I see many, many more entries:
>
> (gdb) set architecture
> Requires an argument. Valid arguments are ARC600, A6, ARC601, ARC700, A7,
> ARCv2, EM, HS, arm, armv2, armv2a, armv3, armv3m, armv4, armv4t, armv5,
> armv5t, armv5te, xscale, ep9312, iwmmxt, iwmmxt2, armv5tej, armv6, armv6kz,
> armv6t2, armv6k, armv7, armv6-m, armv6s-m, armv7e-m, armv8-a, armv8-r,
> armv8-m.base, armv8-m.main, arm_any, avr, avr:1, avr:2, avr:25, avr:3,
> avr:31, avr:35, avr:4, avr:5, avr:51, avr:6, avr:100, avr:101, avr:102,
> avr:103, avr:104, avr:105, avr:106, avr:107, bfin, cris, crisv32,
> cris:common_v10_v32, csky, [...]
> ia64-elf64, ia64-elf32, auto.
> (gdb)
>
> ... including the aarch64 you need:
>
> (gdb) set architecture aarch64<TAB>
> aarch64        aarch64:ilp32
>
> >
> >
> > On Wed, Nov 28, 2018 at 11:28 PM Pedro Alves <[email protected]> wrote:
> >
> >> On 11/28/2018 06:31 PM, Peter Balazovic wrote:
> >>
> >>> I am looking for an advice to correctly debug with ARM remote target.
> >>
> >> Does "set architecture <TAB><TAB>" give you the option to select
> aarch64?
> >>
> >> It sounds like your gdb is not configured to support Aarch64.
> >>
> >> You'll need a gdb configured with
> >>   --target=aarch64-linux-gnu
> >> or
> >>   --enable-targets=aarch64-linux-gnu
> >>   --enable-targets=all
> >>
> >> Try "show configuration" in gdb.
>
> Thanks,
> Pedro Alves
>