Add original unix v6

2018-01-27 22:35:41 +09:00
commit 2c7099ee50
664 changed files with 106254 additions and 0 deletions
@@ -0,0 +1,28 @@
+/ ptrace -- C library
+
+/	result = ptrace(req, pid, addr, data);
+
+ptrace = 26.
+indir = 0
+
+.globl	_ptrace
+.globl	cerror, _errno
+
+_ptrace:
+	mov	r5,-(sp)
+	mov	sp,r5
+	mov	4.(r5),0f+4
+	mov	6.(r5),0f+0
+	mov	8.(r5),0f+2
+	mov	10.(r5),r0
+	clr	_errno
+	sys	indir; 9f
+	bec	1f
+	jmp	cerror
+1:
+	mov	(sp)+,r5
+	rts	pc
+
+.data
+9:
+	sys	ptrace; 0: .=.+6