cpukit/include: Fix including in C++

UPdates #4706

7 files changed, 32 insertions, 13 deletions

diff --git a/cpukit/include/link_elf.h b/cpukit/include/link_elf.h
index 6cab3c2c7f..6483c021fd 100644
--- a/cpukit/include/link_elf.h
+++ b/cpukit/include/link_elf.h
@@ -13,6 +13,10 @@
 #include <stdint.h>
 #include <rtems/rtl/rtl-obj-fwd.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 enum sections
 {
   rap_text = 0,
@@ -76,4 +80,8 @@ int _rtld_linkmap_add (rtems_rtl_obj* obj);
  * Remove link map from the list.
  */
 void _rtld_linkmap_delete (rtems_rtl_obj* obj);
+
+#ifdef __cplusplus
+}
+#endif
 #endif	/* _LINK_ELF_H_ */
diff --git a/cpukit/include/rtems/posix/muteximpl.h b/cpukit/include/rtems/posix/muteximpl.h
index e2b4e187d1..ff1b7b1643 100644
--- a/cpukit/include/rtems/posix/muteximpl.h
+++ b/cpukit/include/rtems/posix/muteximpl.h
@@ -4,8 +4,8 @@
  * @file
  *
  * @brief Private Inlined Routines for POSIX Mutex's.
- * 
- * This include file contains the static inline implementation of the private 
+ *
+ * This include file contains the static inline implementation of the private
  * inlined routines for POSIX mutex's.
  */
 
@@ -123,7 +123,7 @@ RTEMS_INLINE_ROUTINE POSIX_Mutex_Protocol _POSIX_Mutex_Get_protocol(
   unsigned long flags
 )
 {
-  return flags & POSIX_MUTEX_PROTOCOL_MASK;
+  return (POSIX_Mutex_Protocol) (flags & POSIX_MUTEX_PROTOCOL_MASK);
 }
 
 RTEMS_INLINE_ROUTINE bool _POSIX_Mutex_Is_recursive(
@@ -465,4 +465,3 @@ bool _POSIX_Mutex_Auto_initialization( POSIX_Mutex_Control *the_mutex );
 
 #endif
 /*  end of include file */
-
diff --git a/cpukit/include/rtems/posix/pthreadattrimpl.h b/cpukit/include/rtems/posix/pthreadattrimpl.h
index b94c6fc193..e1211c2861 100644
--- a/cpukit/include/rtems/posix/pthreadattrimpl.h
+++ b/cpukit/include/rtems/posix/pthreadattrimpl.h
@@ -91,7 +91,7 @@ RTEMS_INLINE_ROUTINE void _POSIX_Threads_Get_sched_param_sporadic(
 #if defined(RTEMS_POSIX_API)
   const POSIX_API_Control *api;
 
-  api = the_thread->API_Extensions[ THREAD_API_POSIX ];
+  api = (const POSIX_API_Control*) the_thread->API_Extensions[ THREAD_API_POSIX ];
   param->sched_ss_low_priority = _POSIX_Priority_From_core(
     scheduler,
     api->Sporadic.Low_priority.priority
diff --git a/cpukit/include/rtems/rtl/rtl-obj.h b/cpukit/include/rtems/rtl/rtl-obj.h
index 33951e10d1..6b47eb1205 100644
--- a/cpukit/include/rtems/rtl/rtl-obj.h
+++ b/cpukit/include/rtems/rtl/rtl-obj.h
@@ -250,7 +250,7 @@ struct rtems_rtl_obj
   size_t              tramps_size;  /**< Size of the trampoline memory. */
   void*               tramp_brk;    /**< Trampoline memory allocator. MD
                                      *   relocators can take memory from the
-                                     *   break upto the size. */
+                                     *   break up to the size. */
   size_t              tramp_relocs; /**< Number of slots reserved for
                                      *   relocs. The remainder are for
                                      *   unresolved symbols. */
@@ -352,7 +352,7 @@ static inline bool rtems_rtl_obj_text_inside (const rtems_rtl_obj* obj,
 {
   return
     (address >= obj->text_base) &&
-    (address < (obj->text_base + obj->text_size));
+    ((char*) address < ((char*) obj->text_base + obj->text_size));
 }
 
 /**
@@ -393,11 +393,23 @@ static inline bool rtems_rtl_obj_has_symbol (const rtems_rtl_obj*     obj,
  * @param size The size to be allocated.
  * @retval bool Returns @true if the space is available.
  */
+static inline size_t rtems_rtl_obj_tramp_avail_space (const rtems_rtl_obj* obj)
+{
+  return (char*) obj->tramp_brk - (char*) obj->trampoline;
+}
+
+/**
+ * Is there space in the trampoline memory for a trapoline.
+ *
+ * @param obj The object file's descriptor to check for available space.
+ * @param size The size to be allocated.
+ * @retval bool Returns @true if the space is available.
+ */
 static inline bool rtems_rtl_obj_has_tramp_space (const rtems_rtl_obj* obj,
                                                   const size_t         size)
 {
   return (obj->trampoline != NULL &&
-          ((obj->tramp_brk - obj->trampoline) + size) <= obj->tramps_size);
+          (rtems_rtl_obj_tramp_avail_space (obj) + size) <= obj->tramps_size);
 }
 
 /**
@@ -421,7 +433,7 @@ static inline size_t rtems_rtl_obj_trampoline_slots (const rtems_rtl_obj* obj)
 static inline size_t rtems_rtl_obj_trampolines (const rtems_rtl_obj* obj)
 {
   return obj->trampoline == NULL || obj->tramp_size == 0 ?
-    0 : (obj->tramp_brk - obj->trampoline) / obj->tramp_size;
+    0 : rtems_rtl_obj_tramp_avail_space (obj) / obj->tramp_size;
 }
 
 /**
diff --git a/cpukit/include/rtems/rtl/rtl.h b/cpukit/include/rtems/rtl/rtl.h
index 7901127785..0fd4e74cdf 100644
--- a/cpukit/include/rtems/rtl/rtl.h
+++ b/cpukit/include/rtems/rtl/rtl.h
@@ -107,7 +107,7 @@ extern struct r_debug _rtld_debug;
  * Debugger break function. Call when debugging to have it read the _rtld_debug
  * variable.
  */
-extern void _rtld_debug_state (void);
+void _rtld_debug_state (void);
 
 /**
  * The type of constructor/destructor function.
diff --git a/cpukit/include/rtems/score/scheduleredfimpl.h b/cpukit/include/rtems/score/scheduleredfimpl.h
index 06a35ae95f..3e180c0526 100644
--- a/cpukit/include/rtems/score/scheduleredfimpl.h
+++ b/cpukit/include/rtems/score/scheduleredfimpl.h
@@ -120,7 +120,7 @@ RTEMS_INLINE_ROUTINE bool _Scheduler_EDF_Less(
   Priority_Control          prio_left;
   Priority_Control          prio_right;
 
-  the_left = left;
+  the_left = (const Priority_Control*) left;
   the_right = RTEMS_CONTAINER_OF( right, Scheduler_EDF_Node, Node );
 
   prio_left = *the_left;
@@ -148,7 +148,7 @@ RTEMS_INLINE_ROUTINE bool _Scheduler_EDF_Priority_less_equal(
   Priority_Control          prio_left;
   Priority_Control          prio_right;
 
-  the_left = left;
+  the_left = (const Priority_Control*) left;
   the_right = RTEMS_CONTAINER_OF( right, Scheduler_EDF_Node, Node );
 
   prio_left = *the_left;
diff --git a/cpukit/include/rtems/score/tls.h b/cpukit/include/rtems/score/tls.h
index f3bcb2c96a..3881af2b11 100644
--- a/cpukit/include/rtems/score/tls.h
+++ b/cpukit/include/rtems/score/tls.h
@@ -241,7 +241,7 @@ static inline void *_TLS_TCB_at_area_begin_initialize( void *tls_area )
 {
   void *tls_block = (char *) tls_area
     + _TLS_Get_thread_control_block_area_size( (uintptr_t) _TLS_Alignment );
-  TLS_Thread_control_block *tcb = tls_area;
+  TLS_Thread_control_block *tcb = (TLS_Thread_control_block*) tls_area;
   uintptr_t aligned_size = _TLS_Align_up( (uintptr_t) _TLS_Size );
   TLS_Dynamic_thread_vector *dtv = (TLS_Dynamic_thread_vector *)
     ((char *) tls_block + aligned_size);