[rtems commit] score: Fix linker sets on small data area targets

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    9fac9f93a5c6371f992e974c56a29da19149d9ae
Changeset: http://git.rtems.org/rtems/commit/?id=9fac9f93a5c6371f992e974c56a29da19149d9ae

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Wed Feb  5 08:42:03 2020 +0100

score: Fix linker sets on small data area targets

Update #3865.

---

 cpukit/include/rtems/linkersets.h       | 16 +++++++++++++---
 cpukit/include/rtems/score/percpudata.h |  3 +--
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/cpukit/include/rtems/linkersets.h b/cpukit/include/rtems/linkersets.h
index 6146703..844130f 100644
--- a/cpukit/include/rtems/linkersets.h
+++ b/cpukit/include/rtems/linkersets.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016 embedded brains GmbH.  All rights reserved.
+ * Copyright (c) 2015, 2020 embedded brains GmbH.  All rights reserved.
  *
  *  embedded brains GmbH
  *  Dornierstr. 4
@@ -37,8 +37,13 @@ extern "C" {
   type const RTEMS_LINKER_SET_END( set )[ 0 ] \
   RTEMS_SECTION( ".rtemsroset." #set ".end" ) RTEMS_USED
 
+#define RTEMS_LINKER_ROSET_ITEM_ORDERED_DECLARE( set, type, item, order ) \
+  type const _Linker_set_##set##_##item \
+  RTEMS_SECTION( ".rtemsroset." #set ".content.0." RTEMS_XSTRING( order ) )
+
 #define RTEMS_LINKER_ROSET_ITEM_DECLARE( set, type, item ) \
-  extern type const _Linker_set_##set##_##item
+  extern type const _Linker_set_##set##_##item \
+  RTEMS_SECTION( ".rtemsroset." #set ".content.1" )
 
 #define RTEMS_LINKER_ROSET_ITEM_REFERENCE( set, type, item ) \
   static type const * const _Set_reference_##set##_##item \
@@ -68,8 +73,13 @@ extern "C" {
   type RTEMS_LINKER_SET_END( set )[ 0 ] \
   RTEMS_SECTION( ".rtemsrwset." #set ".end" ) RTEMS_USED
 
+#define RTEMS_LINKER_RWSET_ITEM_ORDERED_DECLARE( set, type, item, order ) \
+  extern type _Linker_set_##set##_##item \
+  RTEMS_SECTION( ".rtemsrwset." #set ".content.0." RTEMS_XSTRING( order ) )
+
 #define RTEMS_LINKER_RWSET_ITEM_DECLARE( set, type, item ) \
-  extern type _Linker_set_##set##_##item
+  extern type _Linker_set_##set##_##item \
+  RTEMS_SECTION( ".rtemsrwset." #set ".content.1" )
 
 /*
  * The .rtemsroset is here not a typo.  We must ensure that the references are
diff --git a/cpukit/include/rtems/score/percpudata.h b/cpukit/include/rtems/score/percpudata.h
index 1961c32..ff6e517 100644
--- a/cpukit/include/rtems/score/percpudata.h
+++ b/cpukit/include/rtems/score/percpudata.h
@@ -57,8 +57,7 @@ RTEMS_LINKER_RWSET_DECLARE( _Per_CPU_Data, char );
  * @param item The designator of the item.
  */
 #define PER_CPU_DATA_ITEM_DECLARE( type, item ) \
-  RTEMS_LINKER_RWSET_ITEM_DECLARE( _Per_CPU_Data, type, item ) \
-  RTEMS_SECTION( ".rtemsrwset._Per_CPU_Data.content.1" )
+  RTEMS_LINKER_RWSET_ITEM_DECLARE( _Per_CPU_Data, type, item )
 
 /**
  * @brief Defines a per-CPU item of the specified type.