link_access.h

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#pragma once
 
// #ifdef __APPLE__
 
// /// @brief Define variables pointing to external symbols, specifically
// ///        to the .data section of a linked object file.
// #define EXTLD(NAME) extern const unsigned char _section$__DATA__##NAME[];
// /// Provide access to the .data of the linked object.
// #define LDVAR(NAME) _section$__DATA__##NAME
 
// #elif (defined __WIN32__) // mingw
 
#if (defined __WIN32__) // mingw
 
#define EXTLD(NAME)                                     \
    extern const unsigned char binary_##NAME##_start[]; \
    extern const unsigned char binary_##NAME##_end[];   \
    extern const unsigned char binary_##NAME##_size[];
#define LDVAR(NAME) binary_##NAME##_start
#define LDLEN(NAME) binary_##NAME##_size
 
#else // gnu/linux ld
 
#define EXTLD(NAME)                                      \
    extern const unsigned char _binary_##NAME##_start[]; \
    extern const unsigned char _binary_##NAME##_end[];   \
    extern const unsigned char _binary_##NAME##_size[];
#define LDVAR(NAME) _binary_##NAME##_start
#define LDLEN(NAME) _binary_##NAME##_size
#endif