config.gcc (*-*-rtems*): Use __cxa_atexit by default.

2013-07-31  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config.gcc (*-*-rtems*): Use __cxa_atexit by default.
	* config/rs6000/rtems.h (TARGET_LIBGCC_SDATA_SECTION): Define.

From-SVN: r201370

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c0927cd..5664eee 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2013-07-31  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+       * config.gcc (*-*-rtems*): Use __cxa_atexit by default.
+       * config/rs6000/rtems.h (TARGET_LIBGCC_SDATA_SECTION): Define.
+
 2013-07-31  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
 
        * gen-pass-instances.awk: Fix offset of substr().

diff --git a/gcc/config.gcc b/gcc/config.gcc
index efb74f7..e5e9485 100644 (file)
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -760,6 +760,7 @@ case ${target} in
     yes) thread_file='rtems' ;;
   esac
   extra_options="${extra_options} rtems.opt"
+  default_use_cxa_atexit=yes
   use_gcc_stdint=wrap
   ;;
 *-*-uclinux*)

diff --git a/gcc/config/rs6000/rtems.h b/gcc/config/rs6000/rtems.h
index b910b5e..fb22be1 100644 (file)
--- a/gcc/config/rs6000/rtems.h
+++ b/gcc/config/rs6000/rtems.h
@@ -34,6 +34,9 @@
     }                                     \
   while (0)
 
+#undef TARGET_LIBGCC_SDATA_SECTION
+#define TARGET_LIBGCC_SDATA_SECTION ".sdata"
+
 #undef CPP_OS_DEFAULT_SPEC
 #define CPP_OS_DEFAULT_SPEC "%(cpp_os_rtems)"