【临时存放】变量配置

#include "stdio.h"

struct var_tab_item
{
    const char* name;
    const char* desc;
    char type;
    void* var;
};
#define SECTION(name) __attribute__((section(name)))
#define EXPORT_VAR(name,desc,type) \
    const char __var_##name##_name[] = #name;\
    const char __var_##name##_desc[] = #desc;\
    const struct var_tab_item __var_##name SECTION("ExVar")=\
    {\
        __var_##name##_name,\
        __var_##name##_desc,\
        type,\
        (void*)&name\
    };
#define DEFINE_INT32(name,desc) \
    long long name=0xabcd;\
    EXPORT_VAR(name,desc,'i')

DEFINE_INT32(test0,a test setting)
DEFINE_INT32(test1,cool tpdt)

int main()
{
    printf("%lld\n",test0);
    return 0;
}