[PATCH] Fix .cfi_* directive skip over >= 64KB (PR gas/10255)
H.J. Lu
hjl.tools@gmail.com
Tue Jun 9 13:08:00 GMT 2009
On Tue, Jun 9, 2009 at 5:58 AM, Jakub Jelinek<jakub@redhat.com> wrote:
> On Tue, Jun 09, 2009 at 05:46:03AM -0700, H.J. Lu wrote:
>> Will this patch:
>>
>> Index: ehopt.c
>> ===================================================================
>> --- ehopt.c (revision 6057)
>> +++ ehopt.c (working copy)
>> @@ -543,6 +543,7 @@ eh_frame_convert_frag (fragS *frag)
>> break;
>>
>> default:
>> + loc4_frag->fr_literal[loc4_fix] = DW_CFA_advance_loc4;
>> md_number_to_chars (frag->fr_literal + frag->fr_fix, diff, 4);
>> break;
>> }
>>
>> work better?
>
> It will work too, but not sure why would it be considered better.
>
We can avoid a memory write when DW_CFA_advance_loc4
isn't used.
--
H.J.
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