crtstuff.c (force_to_data, [...]): Attribute as used rather than unused.

	* crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
	__frame_dummy_init_array_entry, force_to_data): Attribute as used
	rather than unused.

From-SVN: r159228

gcc/ChangeLog

+2010-05-10  Jan Hubicka  <jh@suse.cz>
+
+	* crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
+	__frame_dummy_init_array_entry, force_to_data): Attribute as used
+	rather than unused.
+
 2010-05-10  Michael Matz  <matz@suse.de>
 
 	* tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.

gcc/crtstuff.c

@@ -187,14 +187,14 @@ CTOR_LIST_BEGIN;
 #elif defined(CTORS_SECTION_ASM_OP)
 /* Hack: force cc1 to switch to .data section early, so that assembling
    __CTOR_LIST__ does not undo our behind-the-back change to .ctors.  */
-static func_ptr force_to_data[1] __attribute__ ((__unused__)) = { };
+static func_ptr force_to_data[1] __attribute__ ((__used__)) = { };
 asm (CTORS_SECTION_ASM_OP);
 STATIC func_ptr __CTOR_LIST__[1]
-  __attribute__ ((__unused__, aligned(sizeof(func_ptr))))
+  __attribute__ ((__used__, aligned(sizeof(func_ptr))))
   = { (func_ptr) (-1) };
 #else
 STATIC func_ptr __CTOR_LIST__[1]
-  __attribute__ ((__unused__, section(".ctors"), aligned(sizeof(func_ptr))))
+  __attribute__ ((__used__, section(".ctors"), aligned(sizeof(func_ptr))))
   = { (func_ptr) (-1) };
 #endif /* __CTOR_LIST__ alternatives */
 
@@ -336,7 +336,7 @@ __do_global_dtors_aux (void)
 CRT_CALL_STATIC_FUNCTION (FINI_SECTION_ASM_OP, __do_global_dtors_aux)
 #elif defined (FINI_ARRAY_SECTION_ASM_OP)
 static func_ptr __do_global_dtors_aux_fini_array_entry[]
-  __attribute__ ((__unused__, section(".fini_array")))
+  __attribute__ ((__used__, section(".fini_array")))
   = { __do_global_dtors_aux };
 #else /* !FINI_SECTION_ASM_OP && !FINI_ARRAY_SECTION_ASM_OP */
 static void __attribute__((used))
@@ -383,7 +383,7 @@ frame_dummy (void)
 CRT_CALL_STATIC_FUNCTION (INIT_SECTION_ASM_OP, frame_dummy)
 #else /* defined(INIT_SECTION_ASM_OP) */
 static func_ptr __frame_dummy_init_array_entry[]
-  __attribute__ ((__unused__, section(".init_array")))
+  __attribute__ ((__used__, section(".init_array")))
   = { frame_dummy };
 #endif /* !defined(INIT_SECTION_ASM_OP) */
 #endif /* USE_EH_FRAME_REGISTRY || JCR_SECTION_NAME */
@@ -491,7 +491,7 @@ CTOR_LIST_END;
 #elif defined(CTORS_SECTION_ASM_OP)
 /* Hack: force cc1 to switch to .data section early, so that assembling
    __CTOR_LIST__ does not undo our behind-the-back change to .ctors.  */
-static func_ptr force_to_data[1] __attribute__ ((__unused__)) = { };
+static func_ptr force_to_data[1] __attribute__ ((__used__)) = { };
 asm (CTORS_SECTION_ASM_OP);
 STATIC func_ptr __CTOR_END__[1]
   __attribute__((aligned(sizeof(func_ptr))))