add support for init/finit (constructors and destructors)

[musl] / crt / arm / crt1.s

diff --git a/crt/arm/crt1.s b/crt/arm/crt1.s
index 74b9094..ed2a57a 100644 (file)
--- a/crt/arm/crt1.s
+++ b/crt/arm/crt1.s
@@ -1,13 +1,16 @@
+.weak _init
+.weak _fini
 .global _start
 _start:
        mov fp,#0
        mov lr,#0
        ldr a2,[sp],#4
        mov a3,sp
-       mov a4,#0
+       ldr a4,=_fini
        str fp,[sp,#-4]!
        str a1,[sp,#-4]!
-       str fp,[sp,#-4]!
+       str a4,[sp,#-4]!
+       ldr a4,=_init
        ldr a1,=main
        bl __libc_start_main
 1:     b 1b