setjmp.s

来自「klibc精简化的c程序库」· S 代码 · 共 38 行

#
# arch/cris/setjmp.S
#
# setjmp/longjmp for the cris architecture
#

#
# The jmp_buf is assumed to contain the following, in order:
#	$r8..$r0	(in that order)
#	$sp	($r14)
#	return address
#

	.text
	.balign 4
	.globl	setjmp
	.type	setjmp, @function
setjmp:
	movem	$r8,[$r10+]		/* Save $r8..$r0 at $r10... */
	move.d	$sp,[$r10+]
	move	$srp,[$r10]
	ret
	  moveq	0,$r10

	.size setjmp,.-setjmp

	.text
	.balign 4
	.globl	longjmp
	.type	longjmp, @function
longjmp:
	movem	[$r10+],$r8		/* Load $r8..$r0 from $r10... */
	move.d	[$r10+],$sp
	jump	[$r10]
	move.d $r11,$r10

	.size longjmp,.-longjmp