gcc: Thumb interworking and weakly linked functions

[Richard Earnshaw]

On 23/02/12 10:27, Aneesh V wrote:
> Ok. Agree. I never used to use %function when I wrote assembly
> functions earlier. I am sure a lot of code will break if this was
> enforced.

If you've not used %function on ARM, then your code is semantically
broken even if it isn't syntactically broken.

The ABI rules for dealing with interworking and and out-of-range
branches all rely on %function being used correctly.

R.