Messages in this thread | | | From | David Schwartz <> | Date | Mon, 16 Dec 2002 20:10:42 -0800 | Subject | Re: Intel P6 vs P7 system call performance |
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On Mon, 16 Dec 2002 11:07:06 -0500, Jonah Sherman wrote:
>On Mon, Dec 16, 2002 at 12:54:32PM -0500, Mark Mielke wrote:
>>Programs that self verify their own CRC may get a little confused (are >>there any of these left?), but other than that, 'goto is better avoided' >>as well, but sometimes 'goto' is the best answer.
>This shouldn't cause any problems. The only way this would cause a problem >is if the program had direct system calls in it, but as long as they are >using libc(what self-crcing program doesn't use libc?), the changes would >only be made to code pages inside libc, so the program's own code pages >would remain untouched.
A program that checked its own CRC would probably be statically linked. This is especially likely to be true if the CRC was for security reasons.
DS
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