xf_init_section.h

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#ifndef __XF_INIT_IMPL_BY_SECTION_H__
#define __XF_INIT_IMPL_BY_SECTION_H__
 
/* ==================== [Includes] ========================================== */
 
#include "../xf_init_config_internal.h"
 
#if (XF_INIT_IMPL_METHOD == XF_INIT_IMPL_BY_SECTION) || defined(__DOXYGEN__)
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* ==================== [Defines] =========================================== */
 
#if !defined(__GNUC__)
#   error "section 需要启用 GNU 特性"
#endif
 
/* ==================== [Typedefs] ========================================== */
 
typedef int (*xf_init_fn_t)(void);
 
typedef struct _xf_init_section_desc_t {
    const xf_init_fn_t func;            
    const char *func_name;              
} xf_init_section_desc_t;
 
/* ==================== [Global Prototypes] ================================= */
 
void xf_init_from_section(void);
 
/* ==================== [Macros] ============================================ */
 
#define XF_INIT_EXPORT_SECTION(function, level) \
    __used __section(".xf_auto_init." level)  \
    const xf_init_section_desc_t __xf_init_##function = { \
        .func       = (function), \
        .func_name  = XSTR(function), \
    }
 
#define XF_INIT_EXPORT_SECTION_SETUP(function)      XF_INIT_EXPORT_SECTION(function, "1")
 
#define XF_INIT_EXPORT_SECTION_BOARD(function)      XF_INIT_EXPORT_SECTION(function, "2")
 
#define XF_INIT_EXPORT_SECTION_PREV(function)       XF_INIT_EXPORT_SECTION(function, "3")
 
#define XF_INIT_EXPORT_SECTION_CLEANUP(function)      XF_INIT_EXPORT_SECTION(function, "4")
 
#define XF_INIT_EXPORT_SECTION_DEVICE(function)     XF_INIT_EXPORT_SECTION(function, "5")
 
#define XF_INIT_EXPORT_SECTION_COMPONENT(function)  XF_INIT_EXPORT_SECTION(function, "6")
 
#define XF_INIT_EXPORT_SECTION_ENV(function)        XF_INIT_EXPORT_SECTION(function, "7")
 
#define XF_INIT_EXPORT_SECTION_APP(function)        XF_INIT_EXPORT_SECTION(function, "8")
 
#ifdef __cplusplus
} /* extern "C" */
#endif
 
#endif /* XF_INIT_IMPL_METHOD == XF_INIT_IMPL_BY_SECTION */
 
#endif /* __XF_INIT_IMPL_BY_SECTION_H__ */