Re: gdb 8.3: "handler for the OSI ABI "FreeBSD" is not built into this configuration"

Chris Nicol
2020-05-22T19:35:27Z

Simon,

This link:

https://wiki.freebsd.org/201110DevSummit?action=AttachFile&do=get&target=sparc64_status_201110DevSummit.pdf

at page 4, "CPU Type" makes me suspicious that v9 does not correctly
characterise my processor. In that same document, there is reference to
support for "UltraSparc, UltraParc III and V9" processors, whereas the
SunBlade 100 I am using is referenced as having an UltrasSparcIIe
processor, which is maybe not "v9"? v9 is possibly something else, such
as UltraSparc III+. There are sparc64-fbsd-nat.o, sparc64-fbsd.tdep.o ,
sparc64-nat.o and sparc64-tdep.o object files in my build directory.

Chris.
On 5/22/2020 12:51 PM, Simon Marchi wrote:
> On 2020-05-22 2:22 p.m., Chris Nicol wrote:
>> Dear Simon,
>>
>> Thanks for your reply. I went ahead and completed the build of
>> gbd-9.1, which had been the original plan. With the gdb-9.1
>> executable, I re-ran it against the llvm-tblgen binary and its core
>> dump, with the same result as in gdb-8.3. So this is progress of a
>> sort, I suppose.
>>
>> Taking now the gdb-9.1 and loading gcc9 into the debugger, then
>> "show architecture" yields "The target architecture is set
>> automatically (currently sparc:v9)". The system I am using is based
>> on the 500-MHz UltraSPARC IIe processor. So maybe this setting,
>> sparc:v9, is wrong for this platform?
>>
>> Best wishes,
>>
>> Chris.
>
> I'm not really familiar with sparc machines... does that values sound
> good to you? Does it seem to match the machine you have?
>
> In any case, that seems to match the osabi registration line in
> sparc64-fbsd-tdep.c:
>
> gdbarch_register_osabi (bfd_arch_sparc, bfd_mach_sparc_v9,
> GDB_OSABI_FREEBSD, sparc64fbsd_init_abi);
>
> Is the file sparc64-fbsd-tdep.c being compiled? In other words, does
> the file gdb/sparc64-fbsd-tdep.o exist in your build directory?
>
> Simon
>