Re: [PATCH v10 17/17] kasan: enable instrumentation of global variables

[Andrew Morton]

On Fri, 30 Jan 2015 20:47:13 +0300 Andrey Ryabinin <a.ryabinin@xxxxxxxxxxx> wrote:

> >> +struct kasan_global {
> >> +	const void *beg;		/* Address of the beginning of the global variable. */
> >> +	size_t size;			/* Size of the global variable. */
> >> +	size_t size_with_redzone;	/* Size of the variable + size of the red zone. 32 bytes aligned */
> >> +	const void *name;
> >> +	const void *module_name;	/* Name of the module where the global variable is declared. */
> >> +	unsigned long has_dynamic_init;	/* This needed for C++ */
> > 
> > This can be removed?
> > 
> 
> No, compiler dictates layout of this struct. That probably deserves a comment.

I see.  A link to the relevant gcc doc would be good.

Perhaps the compiler provides a header file so clients of this feature
don't need to write their own?
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