[PATCH] Record whether an object attribute is actually set
Richard Sandiford
rdsandiford@googlemail.com
Sun May 18 19:22:00 GMT 2014
Richard Sandiford <rdsandiford@googlemail.com> writes:
> Sorry the slow reply to this.
>
> Alan Modra <amodra@gmail.com> writes:
>> On Mon, May 12, 2014 at 11:22:13PM +0000, Matthew Fortune wrote:
>>> --- a/bfd/elf-bfd.h
>>> +++ b/bfd/elf-bfd.h
>>> @@ -1472,6 +1472,7 @@ typedef struct obj_attribute
>>> int type;
>>> unsigned int i;
>>> char *s;
>>> + bfd_boolean is_set;
>>> } obj_attribute;
>>
>> Note that, because someone added a 2 * 71 array of this struct to
>> elf_obj_data, all ELF object BFDs get hit by any increase here,
>> whether the files use attributes or not. Can you do without the flag,
>> somehow?
>
> Yeah, I was more thinking about having a flag in the assembler,
> since I think we want to know whether the attribute has been set
> by an explicit .gnu_attribute in the code, rather than through
> some implicit setting.
>
> How about the attached look?
Er, that's what happens you change your mind between "how does the
attached look" and "how about the attached" half-way through the sentence.
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