On Wed, Sep 04, 2002 at 03:56:45PM +0200, Ralf Baechle wrote: Additional changes I've done to my working version: > As first think I want to get rid of all the historic crap we have in > our syscall tables for the 64-bit syscalls. Let's start here: > > #define __NR_syscall (__NR_Linux + 0) > > Deprecated because can be implemented in userspace. > > #define __NR_ioperm (__NR_Linux + 101) > #define __NR_iopl (__NR_Linux + 110) > #define __NR_vm86 (__NR_Linux + 113) > > i386 braindamage we're never going to support. So why have it in our > syscall table? > > #define __NR_unused59 (__NR_Linux + 59) > #define __NR_reserved82 (__NR_Linux + 82) > #define __NR_unused109 (__NR_Linux + 109) > #define __NR_unused150 (__NR_Linux + 150) > > Unused entries. Why keep them ... > > #define __NR_break (__NR_Linux + 17) > #define __NR_stty (__NR_Linux + 31) > #define __NR_gtty (__NR_Linux + 32) > #define __NR_ftime (__NR_Linux + 35) > #define __NR_prof (__NR_Linux + 44) > #define __NR_signal (__NR_Linux + 48) > #define __NR_mpx (__NR_Linux + 56) > #define __NR_ulimit (__NR_Linux + 58) > #define __NR_readdir (__NR_Linux + 89) > #define __NR_profil (__NR_Linux + 98) > #define __NR_modify_ldt (__NR_Linux + 123) One more for the same cathegory: #define __NR_lock (__NR_Linux + 53) > Slots that data back to day one of UNIX way before Linux was born. > > #define __NR_socketcall (__NR_Linux + 102) > > Wrapper syscall, obsoleted since quite a while in the 32-bit kernel. > > #define __NR_idle (__NR_Linux + 112) > > Internal syscall, no longer used. > > #define __NR_ipc (__NR_Linux + 117) This implies eleven new entries for: __NR_semget __NR_semop __NR_semctl __NR_msgget __NR_msgsnd __NR_msgrcv __NR_msgctl __NR_shmget __NR_shmat __NR_shmdt __NR_shmctl > Yet another multiplexor syscall and imho another candidate for getting > rid of. > > #define __NR_oldstat (__NR_Linux + 18) > #define __NR_umount (__NR_Linux + 22) > #define __NR_oldfstat (__NR_Linux + 28) > #define __NR_oldlstat (__NR_Linux + 84) > > Superseeded by newer versions. > > #define __NR_uselib (__NR_Linux + 86) > > a.out support. Do we really want that. > > I probably missed a few. The primary purpose of this posting is to get a > discussion about the 64-bit syscall interface started. It's still not > cast into stone so we can modify it as we see fit. The entire syscall > interface is still open for changes, this includes all structures etc. > Along with a 64-bit ABI we'll also have to deciede about a N32 ABI. > > Suggestions, comments etc? Ralf
