88 lines
2.1 KiB
C++
88 lines
2.1 KiB
C++
/*
|
|
* \brief Support to link libraries statically supposed to be dynamic
|
|
* \author Alexander Boettcher
|
|
* \date 2014-05-13
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2014-2017 Genode Labs GmbH
|
|
*
|
|
* This file is distributed under the terms of the GNU General Public License
|
|
* version 2.
|
|
*/
|
|
|
|
/* Genode includes */
|
|
#include <base/log.h>
|
|
#include <util/string.h>
|
|
|
|
/* VirtualBox includes */
|
|
#include <iprt/err.h>
|
|
#include <iprt/ldr.h>
|
|
#include <VBox/hgcmsvc.h>
|
|
|
|
extern "C" {
|
|
|
|
DECLCALLBACK(DECLEXPORT(int)) VBoxHGCMSvcLoad_sf (VBOXHGCMSVCFNTABLE *ptable);
|
|
DECLCALLBACK(DECLEXPORT(int)) VBoxHGCMSvcLoad_cb (VBOXHGCMSVCFNTABLE *ptable);
|
|
DECLCALLBACK(DECLEXPORT(int)) VBoxHGCMSvcLoad_gp (VBOXHGCMSVCFNTABLE *ptable);
|
|
|
|
|
|
static struct shared {
|
|
const char * name;
|
|
const char * symbol;
|
|
void * func;
|
|
} shared[] = {
|
|
{ "VBoxSharedFolders", VBOX_HGCM_SVCLOAD_NAME, (void *)VBoxHGCMSvcLoad_sf },
|
|
{ "VBoxSharedClipboard", VBOX_HGCM_SVCLOAD_NAME, (void *)VBoxHGCMSvcLoad_cb },
|
|
{ "VBoxGuestPropSvc", VBOX_HGCM_SVCLOAD_NAME, (void *)VBoxHGCMSvcLoad_gp }
|
|
};
|
|
|
|
|
|
int RTLdrLoad(const char *pszFilename, PRTLDRMOD phLdrMod)
|
|
{
|
|
for (unsigned i = 0; i < sizeof(shared) / sizeof(shared[0]); i++) {
|
|
if (Genode::strcmp(shared[i].name, pszFilename))
|
|
continue;
|
|
|
|
*phLdrMod = reinterpret_cast<RTLDRMOD>(&shared[i]);
|
|
return VINF_SUCCESS;
|
|
}
|
|
|
|
Genode::error("shared library '", pszFilename, "' not supported");
|
|
return VERR_NOT_SUPPORTED;
|
|
}
|
|
|
|
|
|
int RTLdrGetSymbol(RTLDRMOD hLdrMod, const char *pszSymbol, void **ppvValue)
|
|
{
|
|
|
|
struct shared * library = reinterpret_cast<struct shared *>(hLdrMod);
|
|
|
|
if (!(shared <= library &&
|
|
library < shared + sizeof(shared) / sizeof(shared[0]))) {
|
|
|
|
Genode::error("shared library handle ", hLdrMod, " unknown - "
|
|
"symbol looked for '", pszSymbol, "'");
|
|
|
|
return VERR_NOT_SUPPORTED;
|
|
}
|
|
|
|
if (Genode::strcmp(pszSymbol, library->symbol)) {
|
|
Genode::error("shared library '", library->name, "' does not provide "
|
|
"symbol '", pszSymbol, "'");
|
|
|
|
return VERR_NOT_SUPPORTED;
|
|
}
|
|
|
|
*ppvValue = library->func;
|
|
|
|
return VINF_SUCCESS;
|
|
}
|
|
|
|
int RTLdrClose(RTLDRMOD hLdrMod)
|
|
{
|
|
return VINF_SUCCESS;
|
|
}
|
|
|
|
}
|