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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
/** @HTML */
#ifndef _OSL_MODULE_H_
#define _OSL_MODULE_H_
# include <rtl/ustring.h>
# include <rtl/tencinfo.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef SAL_DLLPREFIX
#define SAL_MODULENAME(name) SAL_DLLPREFIX name SAL_DLLEXTENSION
#else
#define SAL_MODULENAME(name) name SAL_DLLEXTENSION
#endif
#if defined(SAL_W32) || defined(SAL_OS2)
#define SAL_MODULENAME_WITH_VERSION(name, version) name version SAL_DLLEXTENSION
#elif defined(SAL_UNX)
#if defined(MACOSX)
#define SAL_MODULENAME_WITH_VERSION(name, version) SAL_DLLPREFIX name ".dylib." version
#else
#define SAL_MODULENAME_WITH_VERSION(name, version) SAL_DLLPREFIX name SAL_DLLEXTENSION "." version
#endif
#endif
#define SAL_LOADMODULE_DEFAULT 0x00000
#define SAL_LOADMODULE_LAZY 0x00001
#define SAL_LOADMODULE_NOW 0x00002
#define SAL_LOADMODULE_GLOBAL 0x00100
typedef void* oslModule;
/** Generic Function pointer type that will be used as symbol address.
@see osl_getFunctionSymbol.
@see osl_getModuleURLFromFunctionAddress.
*/
typedef void ( SAL_CALL *oslGenericFunction )( void );
/** Load a shared library or module.
@param strModuleName denotes the name of the module to be loaded.
@return NULL if the module could not be loaded, otherwise a handle to the module.
*/
oslModule SAL_CALL osl_loadModule(rtl_uString *strModuleName, sal_Int32 nRtldMode);
/** Load a module located relative to some other module.
@param baseModule
must point to a function that is part of the code of some loaded module;
must not be NULL.
@param relativePath
a relative URL; must not be NULL.
@param mode
the SAL_LOADMODULE_xxx flags.
@return
a non-NULL handle to the loaded module, or NULL if an error occurred.
@since UDK 3.2.8
*/
oslModule SAL_CALL osl_loadModuleRelative(
oslGenericFunction baseModule, rtl_uString * relativePath, sal_Int32 mode);
/** Retrieve the handle of an already loaded module.
This function can be used to search for a function symbol in the process address space.
Do not use the returned handle as an argument to osl_unloadModule. On Unix platforms,
pModuleName gets ignored and the special handle RTLD_DEFAULT is returned.
@param pModuleName
[in] denotes the name of the module to search for. Ignored on Unix
@param pResult
[out] a pointer to a oslModule that is updated with the requested module handle
on success.
@return
sal_True if the module handle could be retrieved and has been copied to *pResult.
sal_False if the module has not been loaded yet.
@see osl_getFunctionSymbol
@see osl_getAsciiFunctionSymbol
*/
sal_Bool SAL_CALL osl_getModuleHandle(rtl_uString *pModuleName, oslModule *pResult);
/** Release the module
*/
void SAL_CALL osl_unloadModule(oslModule Module);
/** lookup the specified symbol name.
@return address of the symbol or NULL if lookup failed.
*/
void* SAL_CALL osl_getSymbol( oslModule Module, rtl_uString *strSymbolName);
/** Lookup the specified function symbol name.
osl_getFunctionSymbol is an alternative function for osl_getSymbol.
Use Function pointer as symbol address to conceal type conversion.
@param Module
[in] the handle of the Module.
@param ustrFunctionSymbolName
[in] Name of the function that will be looked up.
@return
<dl>
<dt>Function address.</dt>
<dd>on success</dd>
<dt>NULL</dt>
<dd>lookup failed or the parameter are invalid.</dd>
</dl>
@see osl_getSymbol
@see osl_getAsciiFunctionSymbol
*/
oslGenericFunction SAL_CALL osl_getFunctionSymbol( oslModule Module, rtl_uString *ustrFunctionSymbolName );
/** Lookup the specified function symbol name.
osl_getAsciiFunctionSymbol is an alternative function for osl_getFunctionSymbol.
It expects the C-style function name string to contain ascii characters only.
@param Module
[in] a module handle as returned by osl_loadModule or osl_getModuleHandle
@param pFunctionSymbolName
[in] Name of the function that will be looked up.
@return
<dl>
<dt>Function address.</dt>
<dd>on success</dd>
<dt>NULL</dt>
<dd>lookup failed or the parameter are invalid.</dd>
</dl>
@see osl_getModuleHandle
@see osl_getFunctionSymbol
*/
oslGenericFunction SAL_CALL osl_getAsciiFunctionSymbol(oslModule Module, const sal_Char *pSymbol);
/** Lookup URL of module which is mapped at the specified address.
@param pv specifies an address in the process memory space.
@param pustrURL receives the URL of the module that is mapped at pv.
@return sal_True on success, sal_False if no module can be found at the specified address.
*/
sal_Bool SAL_CALL osl_getModuleURLFromAddress( void *pv, rtl_uString **pustrURL );
/** Lookup URL of module which is mapped at the specified function address.
osl_getModuleURLFromFunctionAddress is an alternative function for osl_getModuleURLFromAddress.
Use Function pointer as symbol address to conceal type conversion.
@param pf
[in] function address in oslGenericFunction format.
@param pustrFunctionURL
[out] receives the URL of the module that is mapped at pf.
@return
<dl>
<dt>sal_True</dt>
<dd>on success</dd>
<dt>sal_False</dt>
<dd>no module can be found at the specified function address or parameter is somewhat invalid.</dd>
</dl>
@see osl_getModuleURLFromAddress
*/
sal_Bool SAL_CALL osl_getModuleURLFromFunctionAddress( oslGenericFunction pf, rtl_uString **pustrFunctionURL );
#ifdef __cplusplus
}
#endif
#endif /* _OSL_MODULE_H_ */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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