Terje Eggestad wrote:
> what about:
>
> int (*_vsyscall) (int, ...);
> _vsyscall = mmap(NULL, getpagesize(), PROT_READ|PROT_EXEC,
> MAP_VSYSCALL, , );
>
> or if you're afraid of running out of MAP_* flags:
>
> fd = open("/dev/vsyscall", );
> _vsyscall = mmap(NULL, getpagesize(), PROT_READ|PROT_EXEC, MAP_SHARED,
> fd, 0);
>
> Then you can leisurely map it in just after the programs text segment.
>
Very ugly -- then the application has to do indirect calls.
-hpa
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This archive was generated by hypermail 2b29 : Mon Dec 23 2002 - 22:00:20 EST