Messages in this thread | | | Subject | Re: Intel P6 vs P7 system call performance | From | Alan Cox <> | Date | 17 Dec 2002 19:23:50 +0000 |
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On Tue, 2002-12-17 at 17:55, Ulrich Drepper wrote: > But there is a way: if I'm using > > #define makesyscall(name) \ > movl $__NR_##name, $eax; \ > call 0xfffff000-__NR_##name($eax) > > and you'd put at address 0xfffff000 the address of the entry point the > wrappers wouldn't have any problems finding it.
Is there any reason you can't just keep the linker out of the entire mess by generating
.byte whatever .dword 0xFFFF0000
instead of call ?
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