.globl setjmp
setjmp:
	movl 4(%esp), %eax
	
	movl %ebx, 0(%eax)
	movl %ecx, 4(%eax)
	movl %edx, 8(%eax)
	movl %esi, 12(%eax)
	movl %edi, 16(%eax)
	movl %esp, 20(%eax)
	movl %ebp, 24(%eax)
	pushl 0(%esp)	/* %eip */
	popl 28(%eax)
	
	movl $0, %eax	/* return value */
	ret

.globl longjmp
longjmp:
	movl 4(%esp), %eax
	
	movl 0(%eax), %ebx
	movl 4(%eax), %ecx
	movl 8(%eax), %edx
	movl 12(%eax), %esi
	movl 16(%eax), %edi
	movl 20(%eax), %esp
	movl 24(%eax), %ebp

	addl $4, %esp	/* pop %eip into thin air */
	pushl 28(%eax)	/* push new %eip */
	
	movl $1, %eax	/* return value (appears to come from setjmp!) */
	ret