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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2010 by Thomas Martitz
*
* 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 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <string.h> /* size_t */
#include <dlfcn.h>
#include "debug.h"
#include "load_code.h"
void *lc_open(const char *filename, unsigned char *buf, size_t buf_size)
{
(void)buf;
(void)buf_size;
void *handle = dlopen(filename, RTLD_NOW);
if (handle == NULL)
{
DEBUGF("failed to load %s\n", filename);
DEBUGF("lc_open(%s): %s\n", filename, dlerror());
}
return handle;
}
void *lc_get_header(void *handle)
{
char *ret = dlsym(handle, "__header");
if (ret == NULL)
ret = dlsym(handle, "___header");
return ret;
}
void lc_close(void *handle)
{
dlclose(handle);
}
void *lc_open_from_mem(void *addr, size_t blob_size)
{
(void)addr;
(void)blob_size;
/* we don't support loading code from memory on application builds,
* it doesn't make sense (since it means writing the blob to disk again and
* then falling back to load from disk) and requires the ability to write
* to an executable directory */
return NULL;
}
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