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Added execv and execle.

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This commit is contained in:
keie 1985-03-04 16:11:41 +00:00
parent 8a40c25069
commit e0c4e4b686
1 changed files with 23 additions and 1 deletions
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24
mach/pmds4/libsys/exec.s
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@ -1,13 +1,35 @@
.define _execl
.define _execve
.define _execv
.define _execle
.extern _execl
.extern _execve
.extern _execv
.extern _execle
_execl: tst.b -48(sp)
link a6,#0
move.l _environ,-(sp)
pusha:
pea 12(a6)
pushp:
move.l 8(a6),-(sp)
jsr _execve
unlk a6
rts
_execve: trap #0
.short 59
.short 3B
jmp cerror
_execv:
tst.b -48(sp)
link a6,#0
move.l _environ,-(sp)
move.l 12(a6),-(sp)
br pushp
_execle: tst.b -48(sp)
link a6,#0
lea 12(a6),a0
1:
tst.l (a0)+
bne 1b
move.l a0,-(sp)
br pusha