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/* $Id: ldrNative-win.cpp $ */
/** @file
* IPRT - Binary Image Loader, Win32 native.
*/
/*
* Copyright (C) 2006-2007 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP RTLOGGROUP_LDR
#include <Windows.h>
#include <iprt/ldr.h>
#include <iprt/assert.h>
#include <iprt/path.h>
#include <iprt/err.h>
#include <iprt/alloca.h>
#include "internal/ldr.h"
int rtldrNativeLoad(const char *pszFilename, uintptr_t *phHandle)
{
Assert(sizeof(*phHandle) >= sizeof(HMODULE));
/*
* Do we need to add an extension?
*/
if (!RTPathHaveExt(pszFilename))
{
size_t cch = strlen(pszFilename);
char *psz = (char *)alloca(cch + sizeof(".DLL"));
if (!psz)
return VERR_NO_MEMORY;
memcpy(psz, pszFilename, cch);
memcpy(psz + cch, ".DLL", sizeof(".DLL"));
pszFilename = psz;
}
/*
* Attempt load.
*/
HMODULE hmod = LoadLibrary(pszFilename);
if (hmod)
{
*phHandle = (uintptr_t)hmod;
return VINF_SUCCESS;
}
return RTErrConvertFromWin32(GetLastError());
}
DECLCALLBACK(int) rtldrNativeGetSymbol(PRTLDRMODINTERNAL pMod, const char *pszSymbol, void **ppvValue)
{
PRTLDRMODNATIVE pModNative = (PRTLDRMODNATIVE)pMod;
FARPROC pfn = GetProcAddress((HMODULE)pModNative->hNative, pszSymbol);
if (pfn)
{
*ppvValue = (void *)pfn;
return VINF_SUCCESS;
}
*ppvValue = NULL;
return RTErrConvertFromWin32(GetLastError());
}
DECLCALLBACK(int) rtldrNativeClose(PRTLDRMODINTERNAL pMod)
{
PRTLDRMODNATIVE pModNative = (PRTLDRMODNATIVE)pMod;
if (FreeLibrary((HMODULE)pModNative->hNative))
{
pModNative->hNative = (uintptr_t)INVALID_HANDLE_VALUE;
return VINF_SUCCESS;
}
return RTErrConvertFromWin32(GetLastError());
}
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