score: Add _Stack_Allocator_do_initialize()

Do the stack allocator initialization and sanity check only if a
user-provided stack allocator was configured.  This avoids a dependency
of _Thread_Handler_initialization() on the stack allocator.

Update #3959.

1 files changed, 60 insertions, 0 deletions

diff --git a/cpukit/score/src/stackallocatorinit.c b/cpukit/score/src/stackallocatorinit.c
new file mode 100644
index 0000000000..60d243631f
--- /dev/null
+++ b/cpukit/score/src/stackallocatorinit.c
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSScoreStack
+ *
+ * @brief Stack Allocator Initialization
+ */
+
+/*
+ * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/score/stack.h>
+#include <rtems/score/interr.h>
+#include <rtems/config.h>
+
+void _Stack_Allocator_do_initialize( void )
+{
+  rtems_stack_allocate_init_hook init_hook;
+
+  if (
+    rtems_configuration_get_stack_allocate_hook() == NULL
+      || rtems_configuration_get_stack_free_hook() == NULL
+  ) {
+    _Internal_error( INTERNAL_ERROR_BAD_STACK_HOOK );
+  }
+
+  init_hook = rtems_configuration_get_stack_allocate_init_hook();
+
+  if ( init_hook  != NULL ) {
+    (*init_hook )( rtems_configuration_get_stack_space_size() );
+  }
+}