On 02/12/14 13:11, Christoph Hellwig wrote:
> On Wed, Feb 12, 2014 at 09:58:46PM +0100, dl9pf@xxxxxx wrote:
>> being able to compile the Linux kernel with Clang. The use of nested functions
>> blocks this effort.
> Is there any good way to make gcc warn about the use of nested functions?
Interesting idea.
'-Wtrampolines'
Warn about trampolines generated for pointers to nested functions.
A trampoline is a small piece of data or code that is created at
run time on the stack when the address of a nested function is
taken, and is used to call the nested function indirectly. For
some targets, it is made up of data only and thus requires no
special treatment. But, for most targets, it is made up of code
and thus requires the stack to be made executable in order for the
program to work properly.
That might work.
Behan
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Behan Webster
behanw@xxxxxxxxxxxxxxxxxx
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