1 /*
2 * Copyright (c) 2012-2014 Wind River Systems, Inc.
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 /**
8 * @file - Constructor module
9 * @brief
10 * The ctors section contains a list of function pointers that execute the
11 * C++ constructors of static global objects. These must be executed before
12 * the application's main() routine.
13 *
14 * NOTE: Not all compilers put those function pointers into the ctors section;
15 * some put them into the init_array section instead.
16 */
17
18 /* What a constructor function pointer looks like */
19
20 typedef void (*CtorFuncPtr)(void);
21
22 /* Constructor function pointer list is generated by the linker script. */
23
24 extern CtorFuncPtr __ZEPHYR_CTOR_LIST__[];
25 extern CtorFuncPtr __ZEPHYR_CTOR_END__[];
26
27 /**
28 *
29 * @brief Invoke all C++ style global object constructors
30 *
31 * This routine is invoked by the kernel prior to the execution of the
32 * application's main().
33 */
__do_global_ctors_aux(void)34 void __do_global_ctors_aux(void)
35 {
36 unsigned int nCtors;
37
38 nCtors = (unsigned long)__ZEPHYR_CTOR_LIST__[0];
39
40 while (nCtors >= 1U) {
41 __ZEPHYR_CTOR_LIST__[nCtors--]();
42 }
43 }
44
