add sh asm for vfork

2015-06-11 05:01:04 +00:00
parent c30cbcb0a6
commit ec634aad91
1 changed files with 23 additions and 0 deletions
@@ -0,0 +1,23 @@
+.global __vfork
+.weak vfork
+.type __vfork,@function
+.type vfork,@function
+__vfork:
+vfork:
+	mov #95, r3
+	add r3, r3
+
+	trapa #16
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+
+	mov r0, r4
+	mov.l 1f, r0
+2:	braf r0
+	 nop
+	.align 2
+	.hidden __syscall_ret
+1:	.long __syscall_ret@PLT-(2b+4-.)