FAIL: Link with zlib-gabi compressed debug output

[Jan Beulich]

>>> On 07.12.15 at 15:23, <hjl.tools@gmail.com> wrote:
> On Mon, Dec 7, 2015 at 5:47 AM, Jan Beulich <JBeulich@suse.com> wrote:
>> Is it really appropriate/necessary for the test to expect 1-byte
>> alignment:
>>
>> #...
>>  +\[[0-9a-f]+\]: .*COMPRESSED
>>  +ZLIB, [0-9a-f]+, 1
>> #pass
>>
>> (in ld-elf/gabinormal.rt)? I'm seeing .debug_aranges as the first
>> debug info section, emitted with 8-byte alignment:
>>
>> ...
>>   [28] .comment.SUSE.OPTs
>>        PROGBITS        00000000 000781 000006 01   0   0  1
>>        [00000030]: MERGE, STRINGS
>>   [29] .debug_aranges
>>        PROGBITS        00000000 000ef8 000047 00   0   0  8
>>        [00000800]: COMPRESSED
>>        ZLIB, 00000080, 8
>>   [30] .debug_pubnames
>>        PROGBITS        00000000 000f3f 00007c 00   0   0  1
>>        [00000800]: COMPRESSED
>>        ZLIB, 00000094, 1
>> ...
> 
> Where does 8-byte alignment come from?

I guess the compiler/assembler emits it? I didn't look at the details of
how the test binaries get created. It simply seems acceptable to me
for .debug_aranges to have other than 1-byte alignment.

Jan