Messages in this thread | | | Subject | Re: [PATCH] prototypes for *at functions & typo fix | From | Nicholas Miell <> | Date | Wed, 18 Jan 2006 22:37:41 -0800 |
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On Wed, 2006-01-18 at 22:07 -0800, Ulrich Drepper wrote: > Nicholas Miell wrote: > > AMD64 renumbered all the syscalls for optimal cacheline usage or > > something stupid like that. I suppose the x86 emulation on AMD64 kernels > > could share the i386 table, but then _NR_foo will have a different value > > depending on context, and that'll just get confusing. > > Yes, the syscall numbers are quite different, especially because x86 has > all syscalls, even the obsolete ones. > > But what I mean is that the __NR_ia32_* macros in > asm-x86-64/ia32_unistd.h aren't used anywhere in the kernel. And in > userland the asm-x86/unistd.h file is used when compiling x86 apps. At > least this is how the kernel headers for userlevel use should be set up.
Ah, that makes sense. Actually, a few of them are used (sigreturn, rt_sigreturn, and restart_syscall), but I suppose those could be defined locally.
-- Nicholas Miell <nmiell@comcast.net>
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