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xash3d-fwgs/engine/common/library.h

89 lines
2.7 KiB
C

/*
library.h - custom dlls loader
Copyright (C) 2008 Uncle Mike
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#ifndef LIBRARY_H
#define LIBRARY_H
#define MAX_LIBRARY_EXPORTS 4096
typedef struct dll_user_s
{
void *hInstance; // instance handle
qboolean custom_loader; // a bit who indicated loader type
qboolean encrypted; // dll is crypted (some client.dll in HL, CS etc)
char dllName[32]; // for debug messages
string fullPath, shortPath; // actual dll paths
// ordinals stuff, valid only on Win32
word *ordinals;
dword *funcs;
char *names[MAX_LIBRARY_EXPORTS]; // max 4096 exports supported
int num_ordinals; // actual exports count
uintptr_t funcBase; // base offset
} dll_user_t;
dll_user_t *FS_FindLibrary( const char *dllname, qboolean directpath );
void *COM_LoadLibrary( const char *dllname, int build_ordinals_table, qboolean directpath );
void *COM_GetProcAddress( void *hInstance, const char *name );
const char *COM_NameForFunction( void *hInstance, void *function );
void *COM_FunctionFromName_SR( void *hInstance, const char *pName ); // Save/Restore version
void *COM_FunctionFromName( void *hInstance, const char *pName );
void COM_FreeLibrary( void *hInstance );
const char *COM_GetLibraryError( void );
qboolean COM_CheckLibraryDirectDependency( const char *name, const char *depname, qboolean directpath );
// TODO: Move to internal?
void COM_ResetLibraryError( void );
void COM_PushLibraryError( const char *error );
const char *COM_OffsetNameForFunction( void *function );
typedef enum
{
LIBRARY_CLIENT,
LIBRARY_SERVER,
LIBRARY_GAMEUI
} ECommonLibraryType;
void COM_GetCommonLibraryPath( ECommonLibraryType eLibType, char *out, size_t size );
typedef enum
{
MANGLE_UNKNOWN = 0,
/* binary offset, when NameForFunction isn't implemented */
MANGLE_OFFSET,
/* Itanium C++ ABI mangling, native for most operating systems */
MANGLE_ITANIUM,
/* MSVC "decoration" */
MANGLE_MSVC,
/* Valve's silly mangle for crossplatform saves */
MANGLE_VALVE,
} EFunctionMangleType;
// converts to MANGLE_VALVE if possible
const char *COM_GetPlatformNeutralName( const char *in_name );
// converts to native mangling, result must be freed
char **COM_ConvertToLocalPlatform( EFunctionMangleType to, const char *from, size_t *numfuncs );
// used by lib_win.c
char *COM_GetMSVCName( const char *in_name );
#endif//LIBRARY_H