first step of swi

src/developing/main.s

+	.file	"main.c"
+	.text
+	.align	2
+	.global	main
+	.type	main, %function
+main:
+	@ args = 0, pretend = 0, frame = 0
+@ frame_needed = 1, uses_anonymous_args = 0
+mov ip,sp
+stmfd sp!, {sl,fp,ip,lr,pc}
+sub fp, ip, #4
+
+mov r2, #8
+ldr r3, .L1
+str r3, [r2]
+swi 12
+
+mov r0,#0
+ldmfd sp, {sl,fp,sp,pc}
+
+.L1:
+movs pc, lr
+.size	main, .-main
+
+
+	.ident	"GCC: (GNU) 4.0.2"