lkml.org 
[lkml]   [2006]   [May]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2.6.17-rc4 4/6] Add kmemleak support for i386
Jan Engelhardt wrote:
>>[snip]
>>
>>>+static inline unsigned long arch_call_address(void *frame)
>>>+{
>>>+ return *(unsigned long *) (frame + 4);
>>
>> return *(unsigned long *)(frame + 4);
>
>
> I would like to point out that a __bulitin_return_address(immediate int)
> and __builtin_frame_address(immediate int) exist (but they can
> unfortunately not be used with variables even though that would not pose
> much of a problem on x86).

The code already uses __builtin_frame_address(0) and
__builtin_return_address(0) (the latter only if CONFIG_FRAME_POINTER is
not defined) but using these with a variable doesn't work on all
architectures (ARM being one of them, where I did the initial development).

Catalin
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-05-14 09:30    [from the cache]
©2003-2011 Jasper Spaans