134 lines
3.4 KiB
C
134 lines
3.4 KiB
C
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#ifndef VERSION_H
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#define VERSION_H
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#include "typedef.h"
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typedef int (*version_t)(int);
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//定义模块的版本号，由主版本号和次版本号组成
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//如果两个模块的主版本号相同即表示兼容
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#define VERSION(major, minor) (((major)<<8) | (minor))
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#define MAJOR(v) ((v) >> 16)
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#define MINOR(v) (((v) >> 8) & 0xff)
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#define version_match(module_a, module_b) \
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({ \
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extern int module_a##_version(int ); \
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extern int module_b##_version(int ); \
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int version_a = module_a##_version(0); \
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int version_b = module_b##_version(0); \
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MAJOR(version_a) == MAJOR(version_b);\
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})
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#define __MODULE_VERSION_EXPORT_BEGIN(module, version) \
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int module##_version(int prt) \
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{ \
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if (prt) { \
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log_i(#module": %d.%d.%d build at: %s\n", (version)>>16, \
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((version) >> 8) & 0xff, (version) & 0xff, __DATE__); \
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} \
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#define __MODULE_VERSION_EXPORT_END(module, version) \
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return version; \
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} \
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const version_t __version_##module \
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__attribute__((section(".lib_version"),used)) = module##_version
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#define __MODULE_VERSION_EXPORT(module, version) \
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__MODULE_VERSION_EXPORT_BEGIN(module, version) \
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__MODULE_VERSION_EXPORT_END(module, version);
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#define __MODULE_VERSION_EXPORT_SECTION(module, version, section) \
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__MODULE_VERSION_EXPORT_BEGIN(module, version) \
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(void *)§ion; \
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__MODULE_VERSION_EXPORT_END(module, version)
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#define __MODULE_DEPEND_BEGIN(module) \
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int module##_version_check() \
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{ \
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#define _MODULE_DEPEND_BEGIN(module) \
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__MODULE_DEPEND_BEGIN(module)
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#define __VERSION_CHECK(module, version) \
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do { \
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int module##_version(int prt); \
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int v = module##_version(0); \
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if (MAJOR(version) != MAJOR(v) || MINOR(version) > MINOR(v)) { \
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log_i("=======version not match=======\n"); \
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module##_version(1); \
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log_i("==================================\n"); \
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while(1); \
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} \
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} while(0)
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/*-------------------上面的宏请勿调用------------------------------------*/
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//定义当前模块的版本检测函数
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#define MODULE_VERSION_EXPORT(module, version) \
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__MODULE_VERSION_EXPORT(module, version)
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#define MODULE_VERSION_EXPORT_SECTION(module, version, section) \
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__MODULE_VERSION_EXPORT_SECTION(module, version, section)
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#define MODULE_VERSION_EXPORT_BEGIN(module, version) \
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__MODULE_VERSION_EXPORT_BEGIN(module, version)
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#define MODULE_VERSION_EXPORT_END(module, version) \
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__MODULE_VERSION_EXPORT_END(module, version)
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//以下3个宏定义当前模块依赖的其它模块列表
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#define MODULE_DEPEND_BEGIN() \
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_MODULE_DEPEND_BEGIN(THIS_MODULE)
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#define MODULE_DEPEND(module_d, version) \
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__VERSION_CHECK(module_d, version)
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#define MODULE_DEPEND_END() \
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return 0; \
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}
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#define VERSION_CHECK(module, version) \
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__VERSION_CHECK(module, version)
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//通过调用版本检测函数使的模块的代码能够被链接
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#define load_module(module) \
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({ \
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int ret; \
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extern int module##_version_check(); \
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ret = module##_version_check();\
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ret; \
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})
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extern version_t lib_version_begin[], lib_version_end[];
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#define lib_version_check() \
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do { \
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version_t *version; \
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log_i("=========version check===========\n"); \
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for (version = lib_version_begin; version < lib_version_end; version++) { \
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(*version)(1); \
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}; \
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log_i("==================================\n\n"); \
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} while (0)
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#endif
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