[src/trunk]: src/lib/csu/sparc64 Slightly simplify and make position independ...

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5df260fb5910
branches:  trunk
changeset: 780899:5df260fb5910
user:      martin <martin%NetBSD.org@localhost>
date:      Fri Aug 10 16:37:31 2012 +0000

description:
Slightly simplify and make position independend.
Part of fixing PR port-sparc64/46724.

diffstat:

 lib/csu/sparc64/Makefile |   4 ++--
 lib/csu/sparc64/crt0.c   |  10 +++-------
 2 files changed, 5 insertions(+), 9 deletions(-)

diffs (53 lines):

diff -r 74d860d0b957 -r 5df260fb5910 lib/csu/sparc64/Makefile
--- a/lib/csu/sparc64/Makefile  Fri Aug 10 16:35:00 2012 +0000
+++ b/lib/csu/sparc64/Makefile  Fri Aug 10 16:37:31 2012 +0000
@@ -1,7 +1,7 @@
-#      $NetBSD: Makefile,v 1.8 2011/07/16 23:07:50 mrg Exp $
+#      $NetBSD: Makefile,v 1.9 2012/08/10 16:37:31 martin Exp $
 
-#Uncomment the next line to enable the new .init fallthru
 CPPFLAGS+=     -I${.CURDIR}/../sparc_elf
+CFLAGS+=       -fPIC
 
 ELFSIZE=64
 
diff -r 74d860d0b957 -r 5df260fb5910 lib/csu/sparc64/crt0.c
--- a/lib/csu/sparc64/crt0.c    Fri Aug 10 16:35:00 2012 +0000
+++ b/lib/csu/sparc64/crt0.c    Fri Aug 10 16:37:31 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: crt0.c,v 1.26 2011/03/07 05:09:11 joerg Exp $ */
+/* $NetBSD: crt0.c,v 1.27 2012/08/10 16:37:31 martin Exp $ */
 
 /*
  * Copyright (c) 1995 Christopher G. Demetriou
@@ -45,8 +45,6 @@
  */
 
 __asm("\n\
-       .data\n\
-__data_start:                                  ! Start of data section\n\
        .text\n\
        .align 4\n\
        .global _start\n\
@@ -55,11 +53,9 @@
        .register %g2,#scratch\n\
 _start:\n\
 __start:\n\
-       setx    __data_start, %o0, %g4          ! Point %g4 to start of data section\n\
-       clr     %g4                             ! egcs thinks this is zero. XXX\n\
+       clr     %g4                             ! XXX depends on memory model used \n\
        clr     %fp\n\
        add     %sp, 8*16 + 0x7ff, %o0          ! start of stack\n\
-       mov     %g1, %o1                        ! Cleanup routine\n\
        mov     %g3, %o1                        ! XXXX our rtld uses %g3\n\
        mov     %g2, %o2                        ! XXXX obj from rtld.\n\
        ba,pt   %icc, ___start                  ! XXXX jump over the retl egcs 2.96 inserts\n\
@@ -115,7 +111,7 @@
  * NOTE: Leave the RCS ID _after_ _start(), in case it gets placed in .text.
  */
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: crt0.c,v 1.26 2011/03/07 05:09:11 joerg Exp $");
+__RCSID("$NetBSD: crt0.c,v 1.27 2012/08/10 16:37:31 martin Exp $");
 #endif /* LIBC_SCCS and not lint */
 
 #include "common.c"