[PATCH][gdb] Fix warning in foreach_arch selftests

[Tom de Vries]

On 6/2/22 19:44, Simon Marchi wrote:
> On 6/2/22 11:44, Tom de Vries via Gdb-patches wrote:
>> On 6/1/22 21:08, Simon Marchi wrote:
>>> Hi Tom,
>>>
>>> This introduces some failures for me:
>>>
>>> Running selftest print_one_insn::A6.^M
>>> Self test failed: Cannot access memory at address 0x0^M
>>
>> Hi Simon,
>>
>> sorry for not catching this, I forgot to test with --enable-targets=all, I'll try to fix the default in my build scripts.
>>
>> I've done a new version of the existing patch (so it applies once the old one is reverted).
>>
>> Mainly because I realized that there's an easier way to handle the osabi none setting:
>> ...
>> @@ -68,6 +68,7 @@ foreach_arch_test_generator (const std::string &name,
>>             {
>>               struct gdbarch_info info;
>>               info.bfd_arch_info = bfd_scan_arch (arch);
>> +            info.osabi = GDB_OSABI_NONE;
>>               struct gdbarch *gdbarch = gdbarch_find_by_info (info);
>>               SELF_CHECK (gdbarch != NULL);
>>               function (gdbarch);
>> ...
>>
>> Currently regression testing, but at least fixes the ARC regression.
> 
> It fixes the gdb.gdb/unittest.exp failure, but introduces:
> 
> FAIL: gdb.arch/amd64-osabi.exp: arch=i386:x86-64: print sizeof (void*)
> FAIL: gdb.arch/amd64-osabi.exp: arch=i386:x86-64: print sizeof (long double)
> FAIL: gdb.arch/amd64-osabi.exp: arch=i386:x64-32: print sizeof (long double)

Ack, I also encountered that during testing, that was a thinko in the 
refactoring of gdbarch_init_osabi, now fixed and fully tested.

Thanks,
- Tom
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