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Re: [Gcl-devel] Re: BFD relocations
On Thu, Jun 06, 2002 at 11:14:43PM -0400, Camm Maguire wrote:
> Greetings! I found an earlier cache flushing snippet for another
> arch:
>
> #define CLEAR_CACHE do { unsigned long ps = getpagesize(); \
> char *beg = (char *)((unsigned long )(memory->cfd.cfd_start) & ~(ps-1)); \
> char *end = ROUND_UP(memory->cfd.cfd_start + \
> memory->cfd.cfd_size,ps); \
> mprotect(beg,end-beg,PROT_READ|PROT_WRITE|PROT_EXEC);} while(0)
>
> Can mprotect be used in this way to portably flush the data cache?
I don't believe this is portable, but I have no idea.
--
Daniel Jacobowitz Carnegie Mellon University
MontaVista Software Debian GNU/Linux Developer