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74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#ifndef _DYNLOADER_H
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#define _DYNLOADER_H
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#include <stdlib.h>
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#if defined (_POSIX)
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#include <dlfcn.h>
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#if defined (__APPLE__)
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#include <mach-o/dyld.h>
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#endif // __APPLE__
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#endif // _POSIX
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#ifdef _WIN
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#include <windows.h>
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#endif
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#ifdef _WIN
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HMODULE hc_dlopen (LPCSTR lpLibFileName);
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BOOL hc_dlclose (HMODULE hLibModule);
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FARPROC hc_dlsym (HMODULE hModule, LPCSTR lpProcName);
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#else
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void *hc_dlopen (const char *fileName, int flag);
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int hc_dlclose (void *handle);
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void *hc_dlsym (void *module, const char *symbol);
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#endif
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#define HC_LOAD_FUNC2(ptr,name,type,var,libname,noerr) \
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ptr->name = (type) hc_dlsym (ptr->var, #name); \
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if (noerr != -1) { \
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if (!ptr->name) { \
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if (noerr == 1) { \
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log_error ("ERROR: %s is missing from %s shared library.", #name, #libname); \
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exit (-1); \
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} else { \
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log_info ("WARNING: %s is missing from %s shared library.", #name, #libname); \
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return -1; \
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} \
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} \
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}
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#define HC_LOAD_FUNC(ptr,name,type,libname,noerr) \
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ptr->name = (type) hc_dlsym (ptr->lib, #name); \
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if (noerr != -1) { \
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if (!ptr->name) { \
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if (noerr == 1) { \
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log_error ("ERROR: %s is missing from %s shared library.", #name, #libname); \
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exit (-1); \
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} else { \
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log_info ("WARNING: %s is missing from %s shared library.", #name, #libname); \
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return -1; \
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} \
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} \
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}
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#define HC_LOAD_ADDR(ptr,name,type,func,addr,libname,noerr) \
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ptr->name = (type) (*ptr->func) (addr); \
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if (!ptr->name) { \
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if (noerr == 1) { \
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log_error ("ERROR: %s at address %08x is missing from %s shared library.", #name, addr, #libname); \
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exit (-1); \
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} else { \
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log_error ("WARNING: %s at address %08x is missing from %s shared library.", #name, addr, #libname); \
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return -1; \
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} \
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}
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#endif // _DYNALOADER_H
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