> Not true. A ret(urn) is (sort of) equivalent to 'pop %eip'. The above
> code would actually jump to address 0xfffff000, but probably be slow
> since it confuses the branch prediction.
>
>
>Bart
that being the case, then the original code that Linus put forth:
pushl $0xfffff000
call *(%esp)
add $4,%esp
would be the way to go as it is highly readable. actually, the code at
0xfffff000 could issue a ret $4 and eliminate the add after the call.
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This archive was generated by hypermail 2b29 : Mon Dec 23 2002 - 22:00:24 EST