add _nsec() syscall 53 for binary compatibility with labs distribution
the new syscall is added under the symbol _nsec() for binary compatibility. nsec() is still a library function reading /dev/bintime.
This commit is contained in:
cinap_lenrek
parent
7abf926bcf
commit
3207e8b6a4
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@ -130,6 +130,7 @@ syscalls = {
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{50, {"pread", "DADZ", code(*syspread:list)}},
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{51, {"pwrite", "DTDZ", code(*syspwrite:list)}},
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{52, {"tsemacquire", "AD", code(*systsemacquire:list)}},
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{53, {"_nsec", "A", code(*sys_nsec:list)}},
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};
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defn syscall() {
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@ -98,6 +98,7 @@ trusscalls = {
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"pread",
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"pwrite",
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"tsemacquire",
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"_nsec",
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};
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trussapecalls = {
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@ -297,6 +297,10 @@ syscallfmt(ulong syscallno, uintptr pc, va_list list)
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fmtprint(&fmt, " %lld", vl);
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}
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break;
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case _NSEC:
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v = va_arg(list, vlong*);
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fmtprint(&fmt, "%#p", v);
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break;
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}
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a = fmtstrflush(&fmt);
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@ -879,6 +879,7 @@ sysseek(va_list list)
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vlong n, *v;
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v = va_arg(list, vlong*);
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evenaddr((uintptr)v);
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validaddr((uintptr)v, sizeof(vlong), 1);
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fd = va_arg(list, int);
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@ -1182,3 +1182,16 @@ syssemrelease(va_list list)
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error(Ebadarg);
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return (uintptr)semrelease(s, addr, delta);
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}
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/* For binary compatibility */
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uintptr
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sys_nsec(va_list list)
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{
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vlong *v;
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v = va_arg(list, vlong*);
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evenaddr((uintptr)v);
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validaddr((uintptr)v, sizeof(vlong), 1);
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*v = todget(nil);
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return 0;
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}
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@ -1,166 +0,0 @@
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#include "/sys/src/libc/9syscall/sys.h"
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typedef uintptr Syscall(va_list);
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Syscall sysr1;
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Syscall sys_errstr;
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Syscall sysbind;
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Syscall syschdir;
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Syscall sysclose;
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Syscall sysdup;
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Syscall sysalarm;
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Syscall sysexec;
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Syscall sysexits;
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Syscall sys_fsession;
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Syscall sysfauth;
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Syscall sys_fstat;
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Syscall syssegbrk;
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Syscall sys_mount;
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Syscall sysopen;
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Syscall sys_read;
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Syscall sysoseek;
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Syscall syssleep;
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Syscall sys_stat;
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Syscall sysrfork;
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Syscall sys_write;
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Syscall syspipe;
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Syscall syscreate;
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Syscall sysfd2path;
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Syscall sysbrk_;
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Syscall sysremove;
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Syscall sys_wstat;
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Syscall sys_fwstat;
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Syscall sysnotify;
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Syscall sysnoted;
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Syscall syssegattach;
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Syscall syssegdetach;
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Syscall syssegfree;
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Syscall syssegflush;
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Syscall sysrendezvous;
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Syscall sysunmount;
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Syscall sys_wait;
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Syscall syssemacquire;
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Syscall syssemrelease;
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Syscall sysseek;
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Syscall sysfversion;
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Syscall syserrstr;
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Syscall sysstat;
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Syscall sysfstat;
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Syscall syswstat;
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Syscall sysfwstat;
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Syscall sysmount;
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Syscall sysawait;
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Syscall syspread;
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Syscall syspwrite;
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Syscall systsemacquire;
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Syscall sysdeath;
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Syscall *systab[]={
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[SYSR1] sysr1,
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[_ERRSTR] sys_errstr,
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[BIND] sysbind,
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[CHDIR] syschdir,
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[CLOSE] sysclose,
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[DUP] sysdup,
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[ALARM] sysalarm,
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[EXEC] sysexec,
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[EXITS] sysexits,
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[_FSESSION] sys_fsession,
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[FAUTH] sysfauth,
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[_FSTAT] sys_fstat,
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[SEGBRK] syssegbrk,
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[_MOUNT] sys_mount,
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[OPEN] sysopen,
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[_READ] sys_read,
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[OSEEK] sysoseek,
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[SLEEP] syssleep,
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[_STAT] sys_stat,
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[RFORK] sysrfork,
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[_WRITE] sys_write,
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[PIPE] syspipe,
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[CREATE] syscreate,
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[FD2PATH] sysfd2path,
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[BRK_] sysbrk_,
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[REMOVE] sysremove,
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[_WSTAT] sys_wstat,
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[_FWSTAT] sys_fwstat,
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[NOTIFY] sysnotify,
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[NOTED] sysnoted,
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[SEGATTACH] syssegattach,
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[SEGDETACH] syssegdetach,
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[SEGFREE] syssegfree,
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[SEGFLUSH] syssegflush,
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[RENDEZVOUS] sysrendezvous,
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[UNMOUNT] sysunmount,
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[_WAIT] sys_wait,
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[SEMACQUIRE] syssemacquire,
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[SEMRELEASE] syssemrelease,
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[SEEK] sysseek,
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[FVERSION] sysfversion,
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[ERRSTR] syserrstr,
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[STAT] sysstat,
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[FSTAT] sysfstat,
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[WSTAT] syswstat,
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[FWSTAT] sysfwstat,
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[MOUNT] sysmount,
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[AWAIT] sysawait,
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[PREAD] syspread,
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[PWRITE] syspwrite,
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[TSEMACQUIRE] systsemacquire,
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};
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char *sysctab[]={
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[SYSR1] "Running",
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[_ERRSTR] "_errstr",
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[BIND] "Bind",
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[CHDIR] "Chdir",
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[CLOSE] "Close",
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[DUP] "Dup",
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[ALARM] "Alarm",
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[EXEC] "Exec",
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[EXITS] "Exits",
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[_FSESSION] "_fsession",
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[FAUTH] "Fauth",
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[_FSTAT] "_fstat",
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[SEGBRK] "Segbrk",
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[_MOUNT] "_mount",
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[OPEN] "Open",
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[_READ] "_read",
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[OSEEK] "Oseek",
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[SLEEP] "Sleep",
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[_STAT] "_stat",
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[RFORK] "Rfork",
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[_WRITE] "_write",
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[PIPE] "Pipe",
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[CREATE] "Create",
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[FD2PATH] "Fd2path",
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[BRK_] "Brk",
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[REMOVE] "Remove",
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[_WSTAT] "_wstat",
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[_FWSTAT] "_fwstat",
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[NOTIFY] "Notify",
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[NOTED] "Noted",
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[SEGATTACH] "Segattach",
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[SEGDETACH] "Segdetach",
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[SEGFREE] "Segfree",
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[SEGFLUSH] "Segflush",
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[RENDEZVOUS] "Rendez",
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[UNMOUNT] "Unmount",
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[_WAIT] "_wait",
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[SEMACQUIRE] "Semacquire",
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[SEMRELEASE] "Semrelease",
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[SEEK] "Seek",
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[FVERSION] "Fversion",
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[ERRSTR] "Errstr",
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[STAT] "Stat",
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[FSTAT] "Fstat",
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[WSTAT] "Wstat",
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[FWSTAT] "Fwstat",
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[MOUNT] "Mount",
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[AWAIT] "Await",
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[PREAD] "Pread",
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[PWRITE] "Pwrite",
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[TSEMACQUIRE] "Tsemacquire",
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};
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int nsyscall = (sizeof systab/sizeof systab[0]);
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@ -6,7 +6,7 @@ install:V:
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for(I in $SYS) {
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i=`{echo $I|tr A-Z a-z}
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n=`{sed -n '/[ ]'$I'[ ]/s/.* //p' sys.h}
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if(~ $i exits) i=_exits
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if(~ $i (exits nsec)) i=_$i
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{switch($objtype){
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case 68000 68020
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echo TEXT $i'(SB)', 1, '$0'
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@ -18,7 +18,7 @@ install:V:
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echo MOVW R1, '0(FP)'
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echo MOVW '$'$n, R1
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echo SYSCALL
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if(~ $i seek) {
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if(~ $i (seek _nsec)) {
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echo 'MOVW $-1,R5
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BNE R1,R5,4(PC)
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MOVW a+0(FP),R5
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@ -41,7 +41,7 @@ install:V:
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echo ADD '$4',R29
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echo SYSCALL
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echo ADD '$-4',R29
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if(~ $i seek) { # untested so far - geoff
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if(~ $i (seek _nsec)) { # untested so far - geoff
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echo 'MOVW $-1,R5
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BNE R1,R5,4(PC)
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MOVW a+0(FP),R5
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@ -53,7 +53,7 @@ install:V:
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echo TEXT $i'(SB)', 1, '$0'
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echo MOVL '$'$n, AX
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echo INT '$'64
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if(~ $i seek) {
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if(~ $i (seek _nsec)) {
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echo 'CMPL AX,$-1
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JNE 4(PC)
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MOVL a+0(FP),CX
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@ -62,10 +62,9 @@ install:V:
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}
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echo RET
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case amd64
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if(~ $i seek)
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echo TEXT _seek'(SB)', 1, '$0'
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if not
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echo TEXT $i'(SB)', 1, '$0'
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j=$i
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if(~ $i seek) j=_seek
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echo TEXT $j'(SB)', 1, '$0'
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echo MOVQ RARG, 'a0+0(FP)'
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echo MOVQ '$'$n, RARG
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echo SYSCALL
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@ -75,7 +74,7 @@ install:V:
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echo MOVW R7, '0(FP)'
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echo MOVW '$'$n, R7
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echo TA R0
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if(~ $i seek) {
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if(~ $i (seek _nsec)) {
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echo 'CMP R7,$-1
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BNE 4(PC)
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MOVW a+0(FP),R8
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@ -100,7 +99,7 @@ install:V:
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echo MOVW R0, '0(FP)'
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echo MOVW '$'$n, R0
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echo SWI 0
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if(~ $i seek) {
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if(~ $i (seek _nsec)) {
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echo 'CMP $-1,R0
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BNE 4(PC)
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MOVW a+0(FP),R1
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@ -113,7 +112,7 @@ install:V:
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echo MOVW R3, '0(FP)'
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echo MOVW '$'$n, R3
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echo SYSCALL
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if(~ $i seek) {
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if(~ $i (seek _nsec)) {
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echo 'CMP R3,$-1
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BNE 4(PC)
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MOVW a+0(FP),R8
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@ -49,3 +49,4 @@
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#define PREAD 50
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#define PWRITE 51
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#define TSEMACQUIRE 52
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#define _NSEC 53
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