[rtems commit] bsps/powerpc: Remove __atexit form start.o

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    69690f60b495ccd6cd18f1a2f82c77acb08f45a4
Changeset: http://git.rtems.org/rtems/commit/?id=69690f60b495ccd6cd18f1a2f82c77acb08f45a4

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Tue Apr 21 13:10:07 2020 +0200

bsps/powerpc: Remove __atexit form start.o

Remove superflous __atexit stuff in start.o.  It is no longer required
by GCC and may cause linker problems.

See GCC commit:

commit 362c63a5e8b5aacfff3e5af0911e42ba7c775042
Author: Geoff Keating <geoffk at cygnus.com>
Date:   Fri Apr 14 23:16:25 2000 +0000

---

 bsps/powerpc/psim/start/start.S  | 11 -----------
 bsps/powerpc/ss555/start/start.S | 17 -----------------
 2 files changed, 28 deletions(-)

diff --git a/bsps/powerpc/psim/start/start.S b/bsps/powerpc/psim/start/start.S
index 645a022..c56e246 100644
--- a/bsps/powerpc/psim/start/start.S
+++ b/bsps/powerpc/psim/start/start.S
@@ -25,17 +25,6 @@
 
 .LCTOC1 = .+32768
 
-	.extern	FUNC_NAME(atexit)
-	.globl	FUNC_NAME(__atexit)
-	.section ".sdata","aw"
-	.align	2
-FUNC_NAME(__atexit):			/* tell C's eabi-ctor's we have an atexit function */
-	.long	FUNC_NAME(atexit)@fixup	/* and that it is to register __do_global_dtors */
-
-	.section ".fixup","aw"
-	.align	2
-	.long	FUNC_NAME(__atexit)
-
 	.section ".got2","aw"
 .Ltable = .-.LCTOC1
 	.long	.LCTOC1			/* address we think .LCTOC1 is loaded at */
diff --git a/bsps/powerpc/ss555/start/start.S b/bsps/powerpc/ss555/start/start.S
index 443a40f..121403e 100644
--- a/bsps/powerpc/ss555/start/start.S
+++ b/bsps/powerpc/ss555/start/start.S
@@ -186,23 +186,6 @@
 .L_D2:
 	.previous
 
-/*
- * Tell C's eabi-ctor's that we have an atexit function,
- * and that it is to register __do_global_dtors.
- */
-	EXTERN_PROC(atexit)
-	PUBLIC_VAR(__atexit)
-	.section ".sdata","aw"
-	.align	2
-SYM(__atexit):
-	EXT_PROC_REF(atexit)@fixup
-	.previous
-
-	.section ".fixup","aw"
-	.align	2
-	EXT_SYM_REF(__atexit)
-	.previous
-
 /* That should do it */
 
 /*