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File:  [Research Unix] / researchv9 / libc / sys / syscall.s
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 17:22:00 2018 UTC (8 years, 1 month ago) by root
Branches: belllabs, MAIN
CVS tags: researchv9-SUN3_old, researchv9-SUN3, HEAD
researchv9-SUN3(old)

	.globl	_syscall
	.globl	cerror2
_syscall:
	movl	sp@(4),d0	| syscall number
	movl	sp@,sp@(4)	| fix arguments
	movl	d0,sp@		| place syscall number on back on stack
	trap	#0
	bcs	L1
	movl	sp@,sp@-	| restore stack
	movl	d0,a0		| for sbreak
	rts
L1:
	movl	sp@,sp@-	| restore stack
	jmp	cerror2
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