Ticket #1253: head-constructor-managers.diff

c/src/lib/libbsp/i386/pc386/startup/linkcmds

@@ -50 +50 @@
     . = ALIGN (16);
 
     /*
+     * Special RTEMS Kernel constructor sections.
+     */
+    . = ALIGN (16);
+    __start_set_rtems_ctor = .;
+    *(set_rtems_ctor*);
+    __stop_set_rtems_ctor = ABSOLUTE(.);
+    *(set_domain_*);
+    *(set_pseudo_*);
+
+    /*
      * Special FreeBSD sysctl sections.
      */
     . = ALIGN (16);

c/src/optman/rtems/no-barrier.c

@@ -17 +17 @@
 #include <rtems/score/object.h>
 #include <rtems/rtems/barrier.h>
 
+#if 0
 void _Barrier_Manager_initialization(
   uint32_t   maximum_barriers
 )
 {
 }
+#endif

c/src/optman/rtems/no-dpmem.c

@@ -21 +21 @@
 #include <rtems/rtems/types.h>
 #include <rtems/rtems/dpmem.h>
 
+#if 0
 void _Dual_ported_memory_Manager_initialization(
   uint32_t   maximum_ports
 )
 {
 }
+#endif

c/src/optman/rtems/no-event.c

@@ -21 +21 @@
 #include <rtems/score/thread.h>
 #include <rtems/score/interr.h>
 
+#if 0
 void _Event_Manager_initialization( void )
 {
 }
-
+#endif

c/src/optman/rtems/no-msg.c

@@ -25 +25 @@
 #include <rtems/score/wkspace.h>
 #include <rtems/score/interr.h>
 
+#if 0
 void _Message_queue_Manager_initialization(
   uint32_t   maximum_message_queues
 )
 {
 }
+#endif

c/src/optman/rtems/no-part.c

@@ -20 +20 @@
 #include <rtems/score/thread.h>
 #include <rtems/score/interr.h>
 
+#if 0
 void _Partition_Manager_initialization(
   uint32_t   maximum_partitions
 )
 {
 }
+#endif

c/src/optman/rtems/no-region.c

@@ -21 +21 @@
 #include <rtems/score/thread.h>
 #include <rtems/score/interr.h>
 
+#if 0
 void _Region_Manager_initialization(
   uint32_t   maximum_regions
 )
 {
 }
+#endif

c/src/optman/rtems/no-rtmon.c

@@ -22 +22 @@
 #include <rtems/rtems/types.h>
 #include <rtems/rtems/ratemon.h>
 
+#if 0
 void _Rate_monotonic_Manager_initialization(
   uint32_t   maximum_periods
 )
 {
 }
+#endif
+

c/src/optman/rtems/no-sem.c

@@ -24 +24 @@
 #include <rtems/score/threadq.h>
 #include <rtems/score/interr.h>
 
+#if 0
 void _Semaphore_Manager_initialization(
   uint32_t   maximum_semaphores
 )
 {
 }
 
+#endif

c/src/optman/rtems/no-timer.c

@@ -23 +23 @@
 #include <rtems/rtems/types.h>
 #include <rtems/rtems/timer.h>
 
+#if 0
 void _Timer_Manager_initialization(
   uint32_t   maximum_timers
 )
 {
 }
-
+#endif

cpukit/rtems/include/rtems/rtems/barrier.h

@@ -35 +35 @@
 extern "C" {
 #endif
 
+#include <rtems/config.h>
 #include <rtems/rtems/types.h>
 #include <rtems/rtems/support.h>
 #include <rtems/rtems/attr.h>
@@ -72 +73 @@
  */
 
 void _Barrier_Manager_initialization(
-  uint32_t   maximum_barriers
+  rtems_api_configuration_table *api_configuration
 );
 
 /**

cpukit/rtems/include/rtems/rtems/config.h

@@ -24 +24 @@
 #endif
 
 #include <rtems/rtems/types.h>
-#include <rtems/rtems/tasks.h>
+
+  struct rtems_initialization_tasks_table;
 
 /*
  *  The following records define the Configuration Table.  The
@@ -46 +47 @@
   uint32_t                    maximum_periods;
   uint32_t                    maximum_barriers;
   uint32_t                    number_of_initialization_tasks;
-  rtems_initialization_tasks_table *User_initialization_tasks_table;
+  struct rtems_initialization_tasks_table *User_initialization_tasks_table;
 } rtems_api_configuration_table;
 
 #ifdef __cplusplus

cpukit/rtems/include/rtems/rtems/dpmem.h

@@ -38 +38 @@
 extern "C" {
 #endif
 
+#include <rtems/config.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/support.h>
 #include <rtems/rtems/status.h>
@@ -70 +71 @@
  */
 
 void _Dual_ported_memory_Manager_initialization(
-  uint32_t   maximum_ports
+  rtems_api_configuration_table *api_configuration
 );
 
 /*

cpukit/rtems/include/rtems/rtems/message.h

@@ -39 +39 @@
 extern "C" {
 #endif
 
+#include <rtems/config.h>
 #include <rtems/rtems/types.h>
 #include <rtems/rtems/status.h>
 #include <rtems/score/chain.h>
@@ -75 +76 @@
 
 RTEMS_MESSAGE_EXTERN Objects_Information  _Message_queue_Information;
 
-/*
- *  _Message_queue_Manager_initialization
- *
- *  DESCRIPTION:
+/**
+ *  @brief _Message_queue_Manager_initialization
  *
  *  This routine performs the initialization necessary for this manager.
+ *
+ *  @param[in] api_configuration is the classic API configuration and
+ *             contains the maximum_message_queues. This is the number
+ *             message queue that can be created.
  */
 
 void _Message_queue_Manager_initialization(
-  uint32_t   maximum_message_queues
+  rtems_api_configuration_table *api_configuration
 );
 
 /*

cpukit/rtems/include/rtems/rtems/part.h

@@ -37 +37 @@
 extern "C" {
 #endif
 
+#include <rtems/config.h>
 #include <rtems/score/address.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/attr.h>
@@ -74 +75 @@
  */
 
 void _Partition_Manager_initialization(
-  uint32_t   maximum_partitions
+  rtems_api_configuration_table *api_configuration
 );
 
 /*

cpukit/rtems/include/rtems/rtems/ratemon.h

@@ -50 +50 @@
   #define RTEMS_ENABLE_NANOSECOND_RATE_MONOTONIC_STATISTICS
 #endif
 
+#include <rtems/config.h>
 #include <rtems/score/object.h>
 #include <rtems/score/thread.h>
 #include <rtems/score/watchdog.h>
@@ -161 +162 @@
  */
 
 void _Rate_monotonic_Manager_initialization(
-  uint32_t   maximum_periods
+  rtems_api_configuration_table *api_configuration
 );
 
 /*

cpukit/rtems/include/rtems/rtems/region.h

@@ -38 +38 @@
 
 #include <stddef.h>
 
+#include <rtems/config.h>
 #include <rtems/score/object.h>
 #include <rtems/score/threadq.h>
 #include <rtems/score/heap.h>
@@ -81 +82 @@
  */
 
 void _Region_Manager_initialization(
-  uint32_t   maximum_regions
+  rtems_api_configuration_table *api_configuration
 );
 
 /*

cpukit/rtems/include/rtems/rtems/sem.h

@@ -37 +37 @@
 extern "C" {
 #endif
 
+#include <rtems/config.h>
 #include <rtems/rtems/types.h>
 #include <rtems/rtems/support.h>
 #include <rtems/rtems/tasks.h>
@@ -74 +75 @@
  */
 
 void _Semaphore_Manager_initialization(
-  uint32_t   maximum_semaphores
+  rtems_api_configuration_table *api_configuration
 );
 
 /*

cpukit/rtems/include/rtems/rtems/tasks.h

@@ -47 +47 @@
 #include <rtems/score/object.h>
 #include <rtems/score/states.h>
 #include <rtems/score/thread.h>
+#include <rtems/rtems/config.h>
 #include <rtems/rtems/types.h>
 #include <rtems/rtems/eventset.h>
 #include <rtems/rtems/asr.h>
@@ -142 +143 @@
  *  initialization time.
  */
 
-typedef struct {
+typedef struct rtems_initialization_tasks_table {
   rtems_name            name;              /* task name */
   size_t                stack_size;        /* task stack size */
   rtems_task_priority   initial_priority;  /* task priority */
@@ -181 +182 @@
  */
 
 void _RTEMS_tasks_Manager_initialization(
-  uint32_t     maximum_tasks
+  rtems_api_configuration_table *api_configuration
 );
 
 /*

cpukit/rtems/include/rtems/rtems/timer.h

@@ -44 +44 @@
 extern "C" {
 #endif
 
+#include <rtems/config.h>
 #include <rtems/score/object.h>
 #include <rtems/score/watchdog.h>
 #include <rtems/score/thread.h>
@@ -124 +125 @@
  */
 
 void _Timer_Manager_initialization(
-  uint32_t   maximum_timers
+  rtems_api_configuration_table *api_configuration
 );
 
 /*

cpukit/rtems/src/barrier.c

@@ -32 +32 @@
 #include <rtems/rtems/support.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/barrier.h>
+#include <rtems/score/constructor.h>
 #if defined(RTEMS_MULTIPROCESSING)
 #include <rtems/score/mpci.h>
 #endif
@@ -40 +41 @@
  *  @brief _Barrier_Manager_initialization
  *
  *  Input parameters:
- *    maximum_barriers - maximum configured barriers
+ *    api_configuration - API configuration table.
  *
  *  Output parameters:  NONE
  */
 
 void _Barrier_Manager_initialization(
-  uint32_t   maximum_barriers
+  rtems_api_configuration_table *api_configuration
 )
 {
   _Objects_Initialize_information(
-    &_Barrier_Information,         /* object information table */
-    OBJECTS_CLASSIC_API,           /* object API */
-    OBJECTS_RTEMS_BARRIERS,        /* object class */
-    maximum_barriers,              /* maximum objects of this class */
-    sizeof( Barrier_Control ),     /* size of this object's control block */
-    FALSE,                         /* TRUE if the name is a string */
-    RTEMS_MAXIMUM_NAME_LENGTH      /* maximum length of an object name */
+    &_Barrier_Information,               /* object information table */
+    OBJECTS_CLASSIC_API,                 /* object API */
+    OBJECTS_RTEMS_BARRIERS,              /* object class */
+    api_configuration->maximum_barriers, /* maximum objects of this class */
+    sizeof( Barrier_Control ),           /* size of this object's control block */
+    FALSE,                               /* TRUE if the name is a string */
+    RTEMS_MAXIMUM_NAME_LENGTH            /* maximum length of an object name */
 #if defined(RTEMS_MULTIPROCESSING)
     ,
-    FALSE,                         /* TRUE if this is a global object class */
-    NULL                           /* Proxy extraction support callout */
+    FALSE,                               /* TRUE if this is a global object class */
+    NULL                                 /* Proxy extraction support callout */
 #endif
   );
 }
+
+RTEMS_CTOR( classic, barrier, 13, _Barrier_Manager_initialization);

cpukit/rtems/src/barriercreate.c

@@ -90 +90 @@
   _Thread_Enable_dispatch();
   return RTEMS_SUCCESSFUL;
 }
+
+RTEMS_CTOR_REF( classic, barrier );

cpukit/rtems/src/dpmem.c

@@ -18 +18 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/address.h>
 #include <rtems/rtems/dpmem.h>
 #include <rtems/score/object.h>
@@ -37 +38 @@
  */
 
 void _Dual_ported_memory_Manager_initialization(
-  uint32_t   maximum_ports
+  rtems_api_configuration_table *api_configuration
 )
 {
   _Objects_Initialize_information(
     &_Dual_ported_memory_Information, /* object information table */
     OBJECTS_CLASSIC_API,              /* object API */
     OBJECTS_RTEMS_PORTS,              /* object class */
-    maximum_ports,                    /* maximum objects of this class */
+    api_configuration->maximum_ports, /* maximum objects of this class */
     sizeof( Dual_ported_memory_Control ),
                                   /* size of this object's control block */
     FALSE,                        /* TRUE if names of this object are strings */
@@ -56 +57 @@
 #endif
   );
 }
+
+RTEMS_CTOR( classic, dpmem, 11, _Dual_ported_memory_Manager_initialization );

cpukit/rtems/src/dpmemcreate.c

@@ -86 +86 @@
   _Thread_Enable_dispatch();
   return RTEMS_SUCCESSFUL;
 }
+
+RTEMS_CTOR_REF( classic, dpmem );

cpukit/rtems/src/event.c

@@ -18 +18 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/event.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/isr.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/options.h>
@@ -46 +47 @@
   _MPCI_Register_packet_processor( MP_PACKET_EVENT, _Event_MP_Process_packet );
 #endif
 }
+
+RTEMS_CTOR( classic, events, 6, _Event_Manager_initialization );

cpukit/rtems/src/eventreceive.c

@@ -18 +18 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/event.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/isr.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/options.h>
@@ -67 +68 @@
   _Thread_Enable_dispatch();
   return( _Thread_Executing->Wait.return_code );
 }
+
+RTEMS_CTOR_REF( classic, events );

cpukit/rtems/src/eventseize.c

@@ -18 +18 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/event.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/isr.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/options.h>
@@ -140 +141 @@
       return;
   }
 }
+
+RTEMS_CTOR_REF( classic, events );

cpukit/rtems/src/eventsend.c

@@ -18 +18 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/event.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/isr.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/options.h>
@@ -73 +74 @@
 
   return RTEMS_INTERNAL_ERROR;   /* unreached - only to remove warnings */
 }
+
+RTEMS_CTOR_REF( classic, events );

cpukit/rtems/src/eventsurrender.c

@@ -18 +18 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/event.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/isr.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/options.h>
@@ -109 +110 @@
   }
   _ISR_Enable( level );
 }
+
+RTEMS_CTOR_REF( classic, events );

cpukit/rtems/src/intr.c

@@ -17 +17 @@
 #endif
 
 #include <rtems/system.h>
+#include <rtems/score/constructor.h>
 #include <rtems/rtems/status.h>
 #include <rtems/score/isr.h>
 #include <rtems/rtems/intr.h>
@@ -33 +34 @@
 void _Interrupt_Manager_initialization( void )
 {
 }
+
+RTEMS_CTOR( classic, interrupt, 1, _Interrupt_Manager_initialization );

cpukit/rtems/src/intrcatch.c

@@ -17 +17 @@
 #endif
 
 #include <rtems/system.h>
+#include <rtems/score/constructor.h>
 #include <rtems/rtems/status.h>
 #include <rtems/score/isr.h>
 #include <rtems/rtems/intr.h>
@@ -56 +57 @@
 
   return RTEMS_SUCCESSFUL;
 }
+
+RTEMS_CTOR_REF( classic, interrupt );

cpukit/rtems/src/mp.c

@@ -17 +17 @@
 #endif
 
 #include <rtems/system.h>
+#include <rtems/score/constructor.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/mp.h>
 #include <rtems/score/mpci.h>
@@ -42 +43 @@
   _MPCI_Announce();
 }
 
+
+#if defined(RTEMS_MULTIPROCESSING)
+RTEMS_CTOR( classic, multiprocessing, 2, _Multiprocessing_Manager_initialization );
+#endif
+
 /* end of file */

cpukit/rtems/src/msg.c

@@ -25 +25 @@
 #include <rtems/score/states.h>
 #include <rtems/score/thread.h>
 #include <rtems/score/wkspace.h>
+#include <rtems/score/constructor.h>
 #if defined(RTEMS_MULTIPROCESSING)
 #include <rtems/score/mpci.h>
 #endif
@@ -42 +43 @@
  *  data structures.
  *
  *  Input parameters:
- *    maximum_message_queues - number of message queues to initialize
+ *    api_configuration - API configuration table.
  *
  *  Output parameters:  NONE
  */
 
 void _Message_queue_Manager_initialization(
-  uint32_t   maximum_message_queues
+  rtems_api_configuration_table *api_configuration
 )
 {
   _Objects_Initialize_information(
-    &_Message_queue_Information,  /* object information table */
-    OBJECTS_CLASSIC_API,          /* object API */
-    OBJECTS_RTEMS_MESSAGE_QUEUES, /* object class */
-    maximum_message_queues,       /* maximum objects of this class */
-    sizeof( Message_queue_Control ),
-                               /* size of this object's control block */
-    FALSE,                     /* TRUE if names of this object are strings */
-    RTEMS_MAXIMUM_NAME_LENGTH  /* maximum length of each object's name */
+    &_Message_queue_Information,               /* object information table */
+    OBJECTS_CLASSIC_API,                       /* object API */
+    OBJECTS_RTEMS_MESSAGE_QUEUES,              /* object class */
+    api_configuration->maximum_message_queues, /* maximum objects of this class */
+    sizeof( Message_queue_Control ),           /* size of this object's control block */
+    FALSE,                             /* TRUE if names of this object are strings */
+    RTEMS_MAXIMUM_NAME_LENGTH          /* maximum length of each object's name */
 #if defined(RTEMS_MULTIPROCESSING)
     ,
-    TRUE,                      /* TRUE if this is a global object class */
-    _Message_queue_MP_Send_extract_proxy  /* Proxy extraction support callout */
+    TRUE,                                      /* TRUE if this is a global object class */
+    _Message_queue_MP_Send_extract_proxy       /* Proxy extraction support callout */
 #endif
   );
 
@@ -79 +79 @@
 #endif
 
 }
+
+RTEMS_CTOR( classic, message_queue, 7, _Message_queue_Manager_initialization);

cpukit/rtems/src/msgqcreate.c

@@ -20 +20 @@
 #include <rtems/score/sysstate.h>
 #include <rtems/score/chain.h>
 #include <rtems/score/isr.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/coremsg.h>
 #include <rtems/score/object.h>
 #include <rtems/score/states.h>
@@ -163 +164 @@
   _Thread_Enable_dispatch();
   return RTEMS_SUCCESSFUL;
 }
+
+RTEMS_CTOR_REF( classic, message_queue );

cpukit/rtems/src/part.c

@@ -19 +19 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/address.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/part.h>
@@ -39 +40 @@
  */
 
 void _Partition_Manager_initialization(
-  uint32_t   maximum_partitions
+  rtems_api_configuration_table *api_configuration
 )
 {
   _Objects_Initialize_information(
-    &_Partition_Information,     /* object information table */
-    OBJECTS_CLASSIC_API,         /* object API */
-    OBJECTS_RTEMS_PARTITIONS,    /* object class */
-    maximum_partitions,          /* maximum objects of this class */
-    sizeof( Partition_Control ), /* size of this object's control block */
-    FALSE,                       /* TRUE if the name is a string */
-    RTEMS_MAXIMUM_NAME_LENGTH    /* maximum length of an object name */
+    &_Partition_Information,               /* object information table */
+    OBJECTS_CLASSIC_API,                   /* object API */
+    OBJECTS_RTEMS_PARTITIONS,              /* object class */
+    api_configuration->maximum_partitions, /* maximum objects of this class */
+    sizeof( Partition_Control ),           /* size of this object's control block */
+    FALSE,                                 /* TRUE if the name is a string */
+    RTEMS_MAXIMUM_NAME_LENGTH              /* maximum length of an object name */
 #if defined(RTEMS_MULTIPROCESSING)
     ,
     TRUE,                        /* TRUE if this is a global object class */
@@ -69 +70 @@
 #endif
 
 }
+
+RTEMS_CTOR( classic, partition, 9, _Partition_Manager_initialization );

cpukit/rtems/src/partcreate.c

@@ -20 +20 @@
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
 #include <rtems/score/address.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/part.h>
 #include <rtems/score/thread.h>
@@ -127 +128 @@
   _Thread_Enable_dispatch();
   return RTEMS_SUCCESSFUL;
 }
+
+RTEMS_CTOR_REF( classic, partition );

cpukit/rtems/src/ratemon.c

@@ -19 +19 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/isr.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/ratemon.h>
@@ -41 +42 @@
  */
 
 void _Rate_monotonic_Manager_initialization(
-  uint32_t   maximum_periods
+  rtems_api_configuration_table *api_configuration
 )
 {
   _Objects_Initialize_information(
-    &_Rate_monotonic_Information,     /* object information table */
-    OBJECTS_CLASSIC_API,              /* object API */
-    OBJECTS_RTEMS_PERIODS,            /* object class */
-    maximum_periods,                  /* maximum objects of this class */
-    sizeof( Rate_monotonic_Control ), /* size of this object's control block */
-    FALSE,                            /* TRUE if the name is a string */
-    RTEMS_MAXIMUM_NAME_LENGTH         /* maximum length of an object name */
+    &_Rate_monotonic_Information,       /* object information table */
+    OBJECTS_CLASSIC_API,                /* object API */
+    OBJECTS_RTEMS_PERIODS,              /* object class */
+    api_configuration->maximum_periods, /* maximum objects of this class */
+    sizeof( Rate_monotonic_Control ),   /* size of this object's control block */
+    FALSE,                              /* TRUE if the name is a string */
+    RTEMS_MAXIMUM_NAME_LENGTH           /* maximum length of an object name */
 #if defined(RTEMS_MULTIPROCESSING)
     ,
     FALSE,                     /* TRUE if this is a global object class */
@@ -59 +60 @@
 #endif
   );
 }
+
+RTEMS_CTOR( classic, ratemon, 12, _Rate_monotonic_Manager_initialization );

cpukit/rtems/src/ratemoncreate.c

@@ -18 +18 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/isr.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/ratemon.h>
@@ -79 +80 @@
   _Thread_Enable_dispatch();
   return RTEMS_SUCCESSFUL;
 }
+
+RTEMS_CTOR_REF( classic, ratemon );

cpukit/rtems/src/region.c

@@ -19 +19 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/options.h>
 #include <rtems/rtems/region.h>
@@ -39 +40 @@
  */
 
 void _Region_Manager_initialization(
-  uint32_t   maximum_regions
+  rtems_api_configuration_table *api_configuration
 )
 {
   _Objects_Initialize_information(
-    &_Region_Information,      /* object information table */
-    OBJECTS_CLASSIC_API,       /* object API */
-    OBJECTS_RTEMS_REGIONS,     /* object class */
-    maximum_regions,           /* maximum objects of this class */
-    sizeof( Region_Control ),  /* size of this object's control block */
-    FALSE,                     /* TRUE if the name is a string */
-    RTEMS_MAXIMUM_NAME_LENGTH  /* maximum length of an object name */
+    &_Region_Information,               /* object information table */
+    OBJECTS_CLASSIC_API,                /* object API */
+    OBJECTS_RTEMS_REGIONS,              /* object class */
+    api_configuration->maximum_regions, /* maximum objects of this class */
+    sizeof( Region_Control ),           /* size of this object's control block */
+    FALSE,                              /* TRUE if the name is a string */
+    RTEMS_MAXIMUM_NAME_LENGTH           /* maximum length of an object name */
 #if defined(RTEMS_MULTIPROCESSING)
     ,
     FALSE,                     /* TRUE if this is a global object class */
@@ -69 +70 @@
 #endif
 
 }
+
+RTEMS_CTOR( classic, regions, 10, _Region_Manager_initialization );

cpukit/rtems/src/regioncreate.c

@@ -19 +19 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/options.h>
 #include <rtems/rtems/region.h>
@@ -112 +113 @@
   _RTEMS_Unlock_allocator();
   return RTEMS_SUCCESSFUL;
 }
+
+RTEMS_CTOR_REF( classic, regions );

cpukit/rtems/src/rtemstimer.c

@@ -19 +19 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/object.h>
 #include <rtems/score/thread.h>
 #include <rtems/rtems/timer.h>
@@ -38 +39 @@
  */
 
 void _Timer_Manager_initialization(
-  uint32_t   maximum_timers
+  rtems_api_configuration_table *api_configuration
 )
 {
   _Objects_Initialize_information(
-    &_Timer_Information,       /* object information table */
-    OBJECTS_CLASSIC_API,       /* object API */
-    OBJECTS_RTEMS_TIMERS,      /* object class */
-    maximum_timers,            /* maximum objects of this class */
-    sizeof( Timer_Control ),   /* size of this object's control block */
-    FALSE,                     /* TRUE if the name is a string */
-    RTEMS_MAXIMUM_NAME_LENGTH  /* maximum length of an object name */
+    &_Timer_Information,               /* object information table */
+    OBJECTS_CLASSIC_API,               /* object API */
+    OBJECTS_RTEMS_TIMERS,              /* object class */
+    api_configuration->maximum_timers, /* maximum objects of this class */
+    sizeof( Timer_Control ),           /* size of this object's control block */
+    FALSE,                             /* TRUE if the name is a string */
+    RTEMS_MAXIMUM_NAME_LENGTH          /* maximum length of an object name */
 #if defined(RTEMS_MULTIPROCESSING)
     ,
     FALSE,                     /* TRUE if this is a global object class */
@@ -63 +64 @@
 
   _Timer_Server = NULL;
 }
+
+RTEMS_CTOR( classic, timers, 4, _Timer_Manager_initialization );

cpukit/rtems/src/sem.c

@@ -33 +33 @@
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
 #include <rtems/rtems/attr.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/isr.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/options.h>
@@ -62 +63 @@
  */
 
 void _Semaphore_Manager_initialization(
-  uint32_t   maximum_semaphores
+  rtems_api_configuration_table *api_configuration
 )
 {
   _Objects_Initialize_information(
-    &_Semaphore_Information,     /* object information table */
-    OBJECTS_CLASSIC_API,         /* object API */
-    OBJECTS_RTEMS_SEMAPHORES,    /* object class */
-    maximum_semaphores,          /* maximum objects of this class */
-    sizeof( Semaphore_Control ), /* size of this object's control block */
-    FALSE,                       /* TRUE if the name is a string */
-    RTEMS_MAXIMUM_NAME_LENGTH    /* maximum length of an object name */
+    &_Semaphore_Information,               /* object information table */
+    OBJECTS_CLASSIC_API,                   /* object API */
+    OBJECTS_RTEMS_SEMAPHORES,              /* object class */
+    api_configuration->maximum_semaphores, /* maximum objects of this class */
+    sizeof( Semaphore_Control ),           /* size of this object's control block */
+    FALSE,                                 /* TRUE if the name is a string */
+    RTEMS_MAXIMUM_NAME_LENGTH              /* maximum length of an object name */
 #if defined(RTEMS_MULTIPROCESSING)
     ,
     TRUE,                        /* TRUE if this is a global object class */
@@ -92 +93 @@
 #endif
 
 }
+
+RTEMS_CTOR( classic, semaphore, 8, _Semaphore_Manager_initialization );

cpukit/rtems/src/semcreate.c

@@ -33 +33 @@
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
 #include <rtems/rtems/attr.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/isr.h>
 #include <rtems/score/object.h>
 #include <rtems/rtems/options.h>
@@ -228 +229 @@
   _Thread_Enable_dispatch();
   return RTEMS_SUCCESSFUL;
 }
+
+RTEMS_CTOR_REF( classic, semaphore );

cpukit/rtems/src/signal.c

@@ -19 +19 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/asr.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/isr.h>
 #include <rtems/rtems/modes.h>
 #include <rtems/rtems/signal.h>
@@ -49 +50 @@
   );
 #endif
 }
+
+RTEMS_CTOR( classic, signals, 5, _Signal_Manager_initialization );

cpukit/rtems/src/signalcatch.c

@@ -19 +19 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/asr.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/isr.h>
 #include <rtems/rtems/modes.h>
 #include <rtems/rtems/signal.h>
@@ -67 +68 @@
   _Thread_Enable_dispatch();
   return RTEMS_SUCCESSFUL;
 }
+
+RTEMS_CTOR_REF( classic, signals );

cpukit/rtems/src/signalsend.c

@@ -19 +19 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/asr.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/isr.h>
 #include <rtems/rtems/modes.h>
 #include <rtems/rtems/signal.h>
@@ -92 +93 @@
 
   return RTEMS_INTERNAL_ERROR;   /* unreached - only to remove warnings */
 }
+
+RTEMS_CTOR_REF( classic, signals );

cpukit/rtems/src/taskcreate.c

@@ -20 +20 @@
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
 #include <rtems/rtems/modes.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/object.h>
 #include <rtems/score/stack.h>
 #include <rtems/score/states.h>
@@ -228 +229 @@
   _Thread_Enable_dispatch();
   return RTEMS_SUCCESSFUL;
 }
+
+RTEMS_CTOR_REF( classic, tasks );

cpukit/rtems/src/tasks.c

@@ -19 +19 @@
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
 #include <rtems/rtems/modes.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/object.h>
 #include <rtems/score/stack.h>
 #include <rtems/score/states.h>
@@ -242 +243 @@
  */
 
 void _RTEMS_tasks_Manager_initialization(
-  uint32_t                          maximum_tasks
+  rtems_api_configuration_table *api_configuration
 )
 {
 
   _Objects_Initialize_information(
-    &_RTEMS_tasks_Information, /* object information table */
-    OBJECTS_CLASSIC_API,       /* object API */
-    OBJECTS_RTEMS_TASKS,       /* object class */
-    maximum_tasks,             /* maximum objects of this class */
-    sizeof( Thread_Control ),  /* size of this object's control block */
-    FALSE,                     /* TRUE if the name is a string */
-    RTEMS_MAXIMUM_NAME_LENGTH  /* maximum length of an object name */
+    &_RTEMS_tasks_Information,        /* object information table */
+    OBJECTS_CLASSIC_API,              /* object API */
+    OBJECTS_RTEMS_TASKS,              /* object class */
+    api_configuration->maximum_tasks, /* maximum objects of this class */
+    sizeof( Thread_Control ),         /* size of this object's control block */
+    FALSE,                            /* TRUE if the name is a string */
+    RTEMS_MAXIMUM_NAME_LENGTH         /* maximum length of an object name */
 #if defined(RTEMS_MULTIPROCESSING)
     ,
     TRUE,                      /* TRUE if this is a global object class */
@@ -300 +301 @@
   if ( _RTEMS_tasks_Initialize_user_tasks_p )
     (*_RTEMS_tasks_Initialize_user_tasks_p)();
 }
+
+RTEMS_CTOR( classic, tasks, 3, _RTEMS_tasks_Manager_initialization );

cpukit/rtems/src/timercreate.c

@@ -19 +19 @@
 #include <rtems/system.h>
 #include <rtems/rtems/status.h>
 #include <rtems/rtems/support.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/object.h>
 #include <rtems/score/thread.h>
 #include <rtems/rtems/timer.h>
@@ -76 +77 @@
   _Thread_Enable_dispatch();
   return RTEMS_SUCCESSFUL;
 }
+
+RTEMS_CTOR_REF( classic, timers );

cpukit/sapi/src/exinit.c

@@ -34 +34 @@
 
 #include <rtems/score/apiext.h>
 #include <rtems/score/apimutex.h>
+#include <rtems/score/constructor.h>
 #include <rtems/score/copyrt.h>
 #include <rtems/score/heap.h>
 #include <rtems/score/interr.h>

cpukit/sapi/src/rtemsapi.c

@@ -45 +45 @@
 #include <rtems/rtems/signal.h>
 #include <rtems/rtems/timer.h>
 
+#include <rtems/score/constructor.h>
+
+RTEMS_CTOR_ROOT( classic, 0 );
+
 Objects_Information *_RTEMS_Objects[ OBJECTS_RTEMS_CLASSES_LAST + 1 ];
 
+RTEMS_CTOR_SET_DECLARE( );
+
+void _CORE_constructor_Find_Nodes(
+  CORE_constructor_Node *parent,
+  int depth
+)
+{
+  CORE_constructor_Node **nodep;
+  CORE_constructor_Node *node;
+
+  if (depth > 32)
+  {
+    _Internal_error_Occurred( INTERNAL_ERROR_CORE, TRUE, INTERNAL_ERROR_INVALID_NODE );
+  }
+  
+  for (nodep = RTEMS_CTOR_SET_BEGIN( ); nodep != RTEMS_CTOR_SET_END( ); nodep++)
+  {
+    node = *nodep;
+    if (node->parent == parent)
+    {
+      CORE_constructor_Node **prev = &parent->children;
+
+      while (*prev)
+      {
+        if ((node != *prev) && (*prev)->order >= node->order)
+        {
+          node->next = *prev;
+          *prev = node;
+          break;
+        }
+        else
+        {
+          prev = &((*prev)->next);
+        }
+      }
+
+      if (*prev == 0)
+      {
+        node->next = *prev;
+        *prev = node;
+      }
+    }
+  }
+
+  node = parent->children;
+  while (node)
+  {
+    _CORE_constructor_Find_Nodes( node, ++depth );
+    node = node->next;
+  }
+}
+
+void _CORE_constructor_Invoke(
+  CORE_constructor_Node *parent,
+  void *data
+)
+{
+  CORE_constructor_Node *node = parent->children;
+
+  /*
+   * Only invoke the parent's handler if it is the top of the
+   * of the tree.
+   */
+  if ((parent->parent == 0) && parent->handler)
+    parent->handler( data );
+
+  while (node)
+  {
+    if (node->handler)
+      node->handler( data );
+    node = node->next;
+  }
+}
+
+/**
+ *  Call the kernel constructors for a specific family of
+ *  constructors.
+ */
+
+void _CORE_construct(
+  CORE_constructor_Node *top,
+  void *data
+)
+{
+  /*
+   * Create the tree of nodes from this top.
+   */
+  _CORE_constructor_Find_Nodes( top, 0 );
+
+  /*
+   * Invoke the constructors in order from top to bottom.
+   */
+  _CORE_constructor_Invoke( top, data );
+}
+
 /*PAGE
  *
  *  _RTEMS_API_Initialize
@@ -64 +163 @@
 
   _Objects_Information_table[OBJECTS_CLASSIC_API] = _RTEMS_Objects;
 
+  /*
+   * The attribute handler is not a function rather a macro so
+   * cannot make it a constructor.
+   */
   _Attributes_Handler_initialization();
 
-  _Interrupt_Manager_initialization();
-
-#if defined(RTEMS_MULTIPROCESSING)
-  _Multiprocessing_Manager_initialization();
-#endif
-
-  _RTEMS_tasks_Manager_initialization( api_configuration->maximum_tasks );
-
-  _Timer_Manager_initialization( api_configuration->maximum_timers );
-
-  _Signal_Manager_initialization();
-
-  _Event_Manager_initialization();
-
-  _Message_queue_Manager_initialization(
-    api_configuration->maximum_message_queues
-  );
-
-  _Semaphore_Manager_initialization( api_configuration->maximum_semaphores );
-
-  _Partition_Manager_initialization( api_configuration->maximum_partitions );
-
-  _Region_Manager_initialization( api_configuration->maximum_regions );
-
-  _Dual_ported_memory_Manager_initialization( api_configuration->maximum_ports);
-
-  _Rate_monotonic_Manager_initialization( api_configuration->maximum_periods );
-
-  _Barrier_Manager_initialization( api_configuration->maximum_barriers );
+  _CORE_construct( &RTEMS_CTOR_NODE_PARENT( classic ), api_configuration );
 }
 
 /* end of file */

cpukit/score/Makefile.am

@@ -19 +19 @@
 include_rtems_score_HEADERS = include/rtems/score/address.h \
     include/rtems/score/apiext.h include/rtems/score/apimutex.h \
     include/rtems/score/bitfield.h include/rtems/score/chain.h \
+    include/rtems/score/constructor.h \
     include/rtems/score/context.h include/rtems/score/copyrt.h \
     include/rtems/score/corebarrier.h include/rtems/score/coremsg.h \
     include/rtems/score/coremutex.h include/rtems/score/corerwlock.h \

cpukit/score/preinstall.am

@@ -55 +55 @@
         $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/chain.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/chain.h
 
+$(PROJECT_INCLUDE)/rtems/score/constructor.h: include/rtems/score/constructor.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
+        $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/constructor.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/constructor.h
+
 $(PROJECT_INCLUDE)/rtems/score/context.h: include/rtems/score/context.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
         $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/context.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/context.h

new file cpukit/score/include/rtems/score/constructor.h

@@ +1 @@
+/** 
+ *  @file  rtems/score/constructor.h
+ *
+ *  This include file contains all the constants and structures associated
+ *  with the construction of services by placing into a structured table
+ *  elements to be called by the kernel. It is based on the sysctl
+ *  system in the BSD kernel.
+ */
+
+/*
+ *  COPYRIGHT (c) 2007.
+ *  Chris Johns (chrisj@rtems.org)
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id: isr.h,v 1.25 2006/03/07 20:47:53 joel Exp $
+ */
+
+#ifndef _RTEMS_SCORE_CONSTRUCTOR_H
+#define _RTEMS_SCORE_CONSTRUCTOR_H
+
+/**
+ *  @defgroup Core Constructor.
+ *
+ *  This code encapsulates functionality which provides the foundation
+ *  for Core construction of services to allow link time binding of
+ *  resources in the kernel.
+ */
+/**@{*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * The type of handler invoked when constructing.
+ */
+typedef void ( *CORE_constructor )( void * );
+
+/**
+ *  The following type defines the control block used to manage
+ *  the interrupt level portion of the status register.
+ */
+typedef struct _CORE_constructor_Node {
+  /**
+   * Children point to the parent create the tree of nodes with no
+   * downward dependence.
+   */
+  const struct _CORE_constructor_Node *parent;
+
+  /**
+   * Children of this node.
+   */
+  struct _CORE_constructor_Node *children;
+
+  /**
+   * Nodes with a common parent.
+   */
+  struct _CORE_constructor_Node *next;
+
+  /**
+   * The order this node is started in. Zero (0) means do not care.
+   */
+  uint8_t order;
+
+  /**
+   * The handler invoked when constructing.
+   */
+  CORE_constructor handler;
+
+} CORE_constructor_Node;
+
+/*
+ * Private macros, not to be used outside this header file. Taken from
+ * the BSD header file 'linker_set.h'.
+ *
+ * The variables are not static as gcc will not output the variable
+ * is unused. No attribute exists to say it is used like you can
+ * for variables.
+ */
+#ifdef __GNUC__
+#define __force volatile
+#define __weak __attribute__ ((weak))
+#define __unused __attribute__ ((used))
+#define __used 
+#define RTEMS_CORE_SET(sym) \
+  CORE_constructor_Node const * const __set_rtems_ctor_sym_##sym \
+  __attribute__(( section("set_rtems_ctor") )) __used = &sym
+#else
+#error "This file needs to be compiled by GCC or lint"
+#endif
+
+/**
+ *  
+ */
+#define RTEMS_CTOR_NODE_PARENT( parent ) \
+  rtems_ctor_##parent##_children
+
+/**
+ *  The following declares a static node which children can be added.
+ */
+#define RTEMS_CTOR_DECL( name ) \
+  SCORE_EXTERN CORE_constructor_Node RTEMS_CTOR_NODE_PARENT( name )
+
+/**
+ *  
+ */
+#define RTEMS_CTOR_NODE_CHILDREN( parent, name ) \
+  rtems_ctor_##parent##_##name##_children
+
+/**
+ *  
+ */
+#define RTEMS_CTOR_SYM( parent, name ) \
+  rtems_ctor__##parent##_##name
+
+/**
+ *  
+ */
+#define RTEMS_CTOR( parent, name, order, handler ) \
+  CORE_constructor_Node RTEMS_CTOR_SYM( parent, name ) = { \
+    &RTEMS_CTOR_NODE_PARENT( parent ), 0, 0, order, \
+    (CORE_constructor) handler }; \
+  RTEMS_CORE_SET( rtems_ctor__##parent##_##name )
+
+/**
+ *  
+ */
+#define RTEMS_CTOR_ROOT( name, handler ) \
+  CORE_constructor_Node RTEMS_CTOR_NODE_PARENT( name ) = { \
+    0, 0, 0, 0, (CORE_constructor) handler };              \
+  RTEMS_CORE_SET( rtems_ctor_##name##_children )
+
+/**
+ *  
+ */
+#define RTEMS_CTOR_REF( parent, name ) \
+  extern CORE_constructor_Node RTEMS_CTOR_SYM( parent, name ); \
+    __force __weak __unused CORE_constructor_Node *RTEMS_CTOR_NODE_CHILDREN( parent, name ) = \
+    &RTEMS_CTOR_SYM( parent, name )
+
+/**
+ *
+ */
+#define RTEMS_CTOR_SET_DECLARE( ) \
+        extern CORE_constructor_Node *__start_set_rtems_ctor[]; \
+        extern CORE_constructor_Node *__stop_set_rtems_ctor[]
+
+/**
+ *
+ */
+#define RTEMS_CTOR_SET_BEGIN( ) (__start_set_rtems_ctor)
+#define RTEMS_CTOR_SET_END( )   (__stop_set_rtems_ctor)
+
+/*
+ * Place here as a hack until placed into the correct location.
+ */
+RTEMS_CTOR_DECL( classic );
+
+#ifdef __cplusplus
+}
+#endif
+
+/**@}*/
+
+#endif
+/* end of include file */

new file cpukit/score/include/rtems/score/linker_set.h

@@ +1 @@
+/*-
+ * Copyright (c) 1999 John D. Polstra
+ * Copyright (c) 1999,2001 Peter Wemm <peter@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: src/sys/sys/linker_set.h,v 1.13 2002/09/23 06:11:29 peter Exp $
+ */
+
+#ifndef _SYS_LINKER_SET_H_
+#define _SYS_LINKER_SET_H_
+
+/*
+ * The following macros are used to declare global sets of objects, which
+ * are collected by the linker into a `linker_set' as defined below.
+ * For ELF, this is done by constructing a separate segment for each set.
+ */
+
+/*
+ * Private macros, not to be used outside this header file.
+ */
+#ifdef __GNUC__
+#define __MAKE_SET(set, sym)                                            \
+        static void const * const __set_##set##_sym_##sym               \
+        __attribute((section("set_" #set))) __used = &sym
+#else /* !__GNUC__ */
+#ifndef lint
+#error "This file needs to be compiled by GCC or lint"
+#endif /* lint */
+#define __MAKE_SET(set, sym)    extern void const * const (__set_##set##_sym_##sym)
+#endif /* __GNUC__ */
+
+/*
+ * Public macros.
+ */
+#define TEXT_SET(set, sym)      __MAKE_SET(set, sym)
+#define DATA_SET(set, sym)      __MAKE_SET(set, sym)
+#define BSS_SET(set, sym)       __MAKE_SET(set, sym)
+#define ABS_SET(set, sym)       __MAKE_SET(set, sym)
+#define SET_ENTRY(set, sym)     __MAKE_SET(set, sym)
+
+/*
+ * Initialize before referring to a give linker set
+ */
+#define SET_DECLARE(set, ptype)                                         \
+        extern ptype *__CONCAT(__start_set_,set)[];                     \
+        extern ptype *__CONCAT(__stop_set_,set)[]
+
+#define SET_BEGIN(set)                                                  \
+        (__CONCAT(__start_set_,set))
+#define SET_LIMIT(set)                                                  \
+        (__CONCAT(__stop_set_,set))
+
+/*
+ * Iterate over all the elements of a set.
+ *
+ * Sets always contain addresses of things, and "pvar" points to words
+ * containing those addresses.  Thus is must be declared as "type **pvar",
+ * and the address of each set item is obtained inside the loop by "*pvar".
+ */
+#define SET_FOREACH(pvar, set)                                          \
+        for (pvar = SET_BEGIN(set); pvar < SET_LIMIT(set); pvar++)
+
+#define SET_ITEM(set, i)                                                \
+        ((SET_BEGIN(set))[i])
+
+/*
+ * Provide a count of the items in a set.
+ */
+#define SET_COUNT(set)                                                  \
+        (SET_LIMIT(set) - SET_BEGIN(set))
+
+#endif  /* _SYS_LINKER_SET_H_ */