exit.s

linux syslinux source code

# $Id: exit.S,v 1.2 2004/12/17 19:40:41 hpa Exp $
#
# Implementation of _exit() for com32 based on c32entry.S
#
	.text
	.globl _exit
	.type _exit, @function
_exit:
#ifdef REGPARM
	pushl %eax
#endif
	
	# Run any destructors
	movl $__dtors_start, %esi
2:
	cmpl $__dtors_end, %esi
	jae 1f
	call *(%esi)
	addl $4,%esi
	jmp 2b
	
1:
#ifdef REGPARM
	popl %eax
#else
	movl 4(%esp),%eax		# Exit code in %eax = return value
#endif
	movl (__entry_esp),%esp		# Return stack pointer to entry value
	ret				# Return to termination address
	.size _exit, .-_exit

	.data
__exit_handler:
	.globl __exit_handler
	.long _exit