common.h

См. документацию.

 
#pragma once
 
#define     FALSE           0
#define     TRUE            1
 
#ifndef __cplusplus
 
typedef enum {
    false = 0,
    true = 1
} bool;
 
#define nullptr ((void*)0)
#define NULL (0)
 
#endif
 
#define SAYORI_INLINE static inline __attribute__((always_inline))
 
#define KB (1 << 10)
#define MB (1 << 20)
#define GB (1 << 30)
 
#define ALIGN(value, align) ((value) + ((-(value)) & ((align) - 1)))
#define IS_ALIGNED(value, align) ((value) % (align) == 0)
 
/* 64-bit types */
typedef unsigned long long  uint64_t;
typedef long long           int64_t;
/* 32-bit types */
typedef unsigned int    uint32_t;
typedef int     int32_t;
/* 16-bit types */
typedef unsigned short  uint16_t;
typedef short       int16_t;
/* 8-bit types */
typedef unsigned char   uint8_t;
typedef char        int8_t;
 
#ifdef SAYORI64
typedef uint64_t        size_t;
typedef int64_t         ssize_t;
#else
typedef uint32_t        size_t;
typedef int32_t         ssize_t;
#endif
 
 
 
 
struct registers {
    uint32_t    ds;
    uint32_t    edi, esi, ebp, esp, ebx, edx, ecx, eax;
    uint32_t    int_num, err_code;
    uint32_t    eip, cs, eflags, useresp, ss;
} __attribute__((packed));
 
typedef struct  registers   registers_t;
 
// Use ON_NULLPTR macro to tell a user (developer) that he passed a nullptr
#ifndef RELEASE
#define ON_NULLPTR(ptr, code) \
    do {                         \
        if((ptr) == 0) { \
            qemu_err("You have an illusion that you see an object but you can't touch it because it's not exist..."); \
            code                                               \
        }      \
    } while(0)
#else
#define ON_NULLPTR(ptr, code)
#endif