! $Header$
.sect .text
.define mon~
-.extern sigtrp~,save~,retu~,save1~
-indir = 0
-fork = 2
-getpid = 024
-sigtrp = 060
EBADMON = 031
-HBMASK = 0177400
-REG01M = 030
-REG1M = 020
-ERRMASK = 040
-
-! Associated with every monitor call is a descriptor.
-! The low order three bits describe how values are returned,
-! the next two bits specify if arguments are expected in
-! r0 and/or r1, the next bit is not used, and the next
-! three bits specify the number of arguments disregarding
-! arguments in registers.
-
mon~:
- cmp 02(sp),$sigtrp
- bne 1f
- jmp sigtrp~
-1: jsr pc,save~
- mov (sp)+,r4
- mov r4,r2
- asl r4
- mov args(r4),r3
- mov r3,r4
- bit $ERRMASK,r4
- bne err
- cmp r2,$fork
- bne 2f
- jbr fork~
-2: bic $HBMASK,r2
- bis $0104400,r2 ! sys = 0104400
- mov r2,9f
- bit $REG01M,r3
- beq 1f
- mov (sp)+,r0
- bit $REG1M,r3
- beq 1f
- mov (sp)+,r1
-1: ash $-6,r3
- beq 2f
- mov $[9f+2],r2
-1: mov (sp)+,(r2)+
- sob r3,1b
-2: sys indir ; .data2 9f
- bcs 2f
- clr r3
-4: asr r4
- bcc 1f
- mov r0,-(sp)
-1: asr r4
- bcc 1f
- mov r1,-(sp)
-1: asr r4
- bcc 1f
- clr -(sp)
-1: jmp retu~
-2: mov r0,-(sp)
- mov r0,-(sp)
- jmp retu~
-fork~:
- sys fork
- br 1f
- bcs 2b
- clr r1
- br 4b
-1: mov $1,r1
- br 4b
-err:
mov $EBADMON,-(sp)
jsr pc,trp~
tst (sp)+
- jmp retu~
-.sect .data
-.align 1
-9: .space 12
-args: .data2 ERRMASK ! 0 : error
- .data2 010 ! 1 : exit(st); ---
- .data2 07 ! 2 : fork(); e10
- .data2 0215 ! 3 : read(addr,nb,fild); e-0
- .data2 0215 ! 4 : write(addr,nb,fild); e-0
- .data2 0205 ! 5 : open(str,flag); e-0
- .data2 014 ! 6 : close(fild); e--
- .data2 07 ! 7 : wait(); e10
- .data2 0205 ! 8 : creat(str,mode); e-0
- .data2 0204 ! 9 : link(str1,str2); e--
- .data2 0104 !10 : unlink(str); e--
- .data2 ERRMASK !11 : error
- .data2 0104 !12 : chdir(str); e--
- .data2 03 !13 : time(); -10
- .data2 0304 !14 : mknod(str,mode,addr); e--
- .data2 0204 !15 : chmod(str,mode); e--
- .data2 0304 !16 : chown(str,owner,grp); e--
- .data2 ERRMASK !17 : error
- .data2 0204 !18 : stat(str,buf); e--
- .data2 0217 !19 : lseek(high,low,fild); e10
- .data2 01 !20 : getpid(); --0
- .data2 0304 !21 : mount(str1,str2,fl); e--
- .data2 0104 !22 : umount(str); e--
- .data2 014 !23 : setuid(uid); e--
- .data2 03 !24 : getuid(); -01
- .data2 024 !25 : stime(high,low); e--
- .data2 0315 !26 : ptrace(pid,addr,req,d); e-0
- .data2 011 !27 : alarm(sec); --0
- .data2 0114 !28 : fstat(buf,fild); e--
- .data2 0 !29 : pause(); ---
- .data2 0204 !30 : utime(str,timep); e--
- .data2 ERRMASK !31 : error
- .data2 ERRMASK !32 : error
- .data2 0204 !33 : access(str,mode): e--
- .data2 010 !34 : nice(incr); ---
- .data2 0100 !35 : ftime(bufp); ---
- .data2 0 !36 : sync(); ---
- .data2 0114 !37 : kill(sig,pid); e--
- .data2 ERRMASK !38 : error
- .data2 ERRMASK !39 : error
- .data2 ERRMASK !40 : error
- .data2 025 !41 : dup(fild,newfild); e-0
- .data2 07 !42 : pipe(); e10
- .data2 0100 !43 : times(buf); ---
- .data2 0400 !44 : profil(buff,siz,off,sc); ---
- .data2 ERRMASK !45 : error
- .data2 014 !46 : setgid(gid); e--
- .data2 03 !47 : getgid(); -01
- .data2 0 !48 : sigtrp(trap,sig); e-0; SPECIAL TREATMENT
- .data2 ERRMASK !49 : error
- .data2 ERRMASK !50 : error
- .data2 0104 !51 : acct(file); e--
- .data2 0304 !52 : phys(seg,siz,phaddr); e--
- .data2 0104 !53 : lock(flag); e--
- .data2 0304 !54 : ioctl(fild,req,argp); e--
- .data2 ERRMASK !55 : error
- .data2 0204 !56 : mpxcall(cmd,vec); e--
- .data2 ERRMASK !57 : error
- .data2 ERRMASK !58 : error
- .data2 0304 !59 : exece(name,argv,envp); e--
- .data2 0104 !60 : umask(complmode); e--
- .data2 0104 !61 : chroot(str); e--
+ rts pc
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