Trouble with empty sections

[H. J. Lu]

On Tue, Nov 07, 2006 at 09:52:11AM -0500, Daniel Jacobowitz wrote:
> I've been updating the ARM linker tests for global changes in linker
> output, and I stumbled across this:
> 
> regexp_diff match failure
> regexp "^   ..  ..: ........     0  NOTYPE GLOBAL DEFAULT  12 _stack$"
> line   "   14   2: 00080000     0  NOTYPE GLOBAL DEFAULT  13 _stack"
> FAIL: Mixed ARM/Thumb dynamic application
> 
>   [12] .bss              NOBITS          00010368 008368 000004 00  WA 0   0  4
>   [13] .ARM.attributes   ARM_ATTRIBUTES  00000000 008368 000010 00     0   0  1
> 
> It's moved to a non-allocated section.
> 
>     .stack         0x80000 :
>   {
>     _stack = .;
>     *(.stack)
>   }
> 
> Honestly, I can't follow the discussions that have been had on this
> subject.  Maybe this was intended; if so please let me know and I'll
> update the test.  But moving to a non-ALLOC section is decidedly odd.

There are

[13] .ARM.attributes   ARM_ATTRIBUTES  00000000 008368 000010 00     0   0  1

It isn't an SHF_ALLOC section.


H.J.