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/* $Id$ */
/** @file
* innotek Portable Runtime - Binary Image Loader, Native interface.
*/
/*
* Copyright (C) 2006-2007 innotek GmbH
*
* 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.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP RTLOGGROUP_LDR
#include <iprt/ldr.h>
#include <iprt/alloc.h>
#include <iprt/assert.h>
#include <iprt/log.h>
#include <iprt/string.h>
#include <iprt/err.h>
#include "internal/ldr.h"
/** @copydoc RTLDROPS::pfnEnumSymbols */
static DECLCALLBACK(int) rtldrNativeEnumSymbols(PRTLDRMODINTERNAL pMod, unsigned fFlags, const void *pvBits, RTUINTPTR BaseAddress,
PFNRTLDRENUMSYMS pfnCallback, void *pvUser)
{
return VERR_NOT_SUPPORTED;
}
/** @copydoc RTLDROPS::pfnDone */
static DECLCALLBACK(int) rtldrNativeDone(PRTLDRMODINTERNAL pMod)
{
return VINF_SUCCESS;
}
/**
* Operations for a native module.
*/
static const RTLDROPS s_rtldrNativeOps =
{
"native",
rtldrNativeClose,
rtldrNativeGetSymbol,
rtldrNativeDone,
rtldrNativeEnumSymbols,
/* ext: */
NULL,
NULL,
NULL,
NULL,
42
};
/**
* Loads a dynamic load library (/shared object) image file using native
* OS facilities.
*
* The filename will be appended the default DLL/SO extension of
* the platform if it have been omitted. This means that it's not
* possible to load DLLs/SOs with no extension using this interface,
* but that's not a bad tradeoff.
*
* If no path is specified in the filename, the OS will usually search it's library
* path to find the image file.
*
* @returns iprt status code.
* @param pszFilename Image filename.
* @param phLdrMod Where to store the handle to the loaded module.
*/
RTDECL(int) RTLdrLoad(const char *pszFilename, PRTLDRMOD phLdrMod)
{
LogFlow(("RTLdrLoad: pszFilename=%p:{%s} phLdrMod=%p\n", pszFilename, pszFilename, phLdrMod));
/*
* validate input.
*/
AssertMsgReturn(VALID_PTR(pszFilename), ("pszFilename=%p\n", pszFilename), VERR_INVALID_PARAMETER);
AssertMsgReturn(VALID_PTR(phLdrMod), ("phLdrMod=%p\n", phLdrMod), VERR_INVALID_PARAMETER);
/*
* Allocate and initialize module structure.
*/
int rc = VERR_NO_MEMORY;
PRTLDRMODNATIVE pMod = (PRTLDRMODNATIVE)RTMemAlloc(sizeof(*pMod));
if (pMod)
{
pMod->Core.u32Magic = RTLDRMOD_MAGIC;
pMod->Core.eState = LDR_STATE_LOADED;
pMod->Core.pOps = &s_rtldrNativeOps;
pMod->hNative = ~(uintptr_t)0;
/*
* Attempt to open the module.
*/
rc = rtldrNativeLoad(pszFilename, &pMod->hNative);
if (RT_SUCCESS(rc))
{
*phLdrMod = &pMod->Core;
LogFlow(("RTLdrLoad: returns %Rrc *phLdrMod=%RTldrm\n", rc, *phLdrMod));
return rc;
}
RTMemFree(pMod);
}
*phLdrMod = NIL_RTLDRMOD;
LogFlow(("RTLdrLoad: returns %Rrc\n", rc));
return rc;
}
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