crtn.s

ARM入门的好帮手.包含了从简单到相对较复杂的程序.

	.macro	fepilog
	; assume interwork for thumb 
	.ifndef	_INTERWORK
	.ifdef  _THUMB
	.define _INTERWORK
	.endif
	.endif
	.ifdef  _INTERWORK
	    ldmdb	fp,{sb,fp,sp,lr}
	    bx		lr
	.else
	    ldmdb	fp,{sb,fp,sp,pc}
	.endif
	.endm

	.option code32
	.section ".init",text
	fepilog
	.section ".fini",text
	fepilog