73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 Daniel Stenberg
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#define RB_FILESYSTEM_OS
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#include <stdio.h>
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#include "config.h"
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#include "system.h"
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#include "file.h"
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#include "load_code.h"
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#include "rbpaths.h"
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#include "debug.h"
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void * lc_open(const char *filename, unsigned char *buf, size_t buf_size)
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{
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char osfilename[SIM_TMPBUF_MAX_PATH];
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if (sim_get_os_path(osfilename, filename, sizeof (osfilename)) < 0)
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return NULL;
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return os_lc_open(osfilename);
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(void)buf; (void)buf_size;
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}
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void * lc_open_from_mem(void *addr, size_t blob_size)
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{
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/* We have to create the dynamic link library file from ram so we can
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simulate code loading. Multiple binaries may be loaded at the same
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time, so we need to find an unused filename. */
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int fd;
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char tempfile[SIM_TMPBUF_MAX_PATH];
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for (unsigned int i = 0; i < 10; i++)
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{
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snprintf(tempfile, sizeof(tempfile),
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ROCKBOX_DIR "/libtemp_binary_%d.dll", i);
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fd = sim_open(tempfile, O_WRONLY|O_CREAT|O_TRUNC, 0700);
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if (fd >= 0)
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break; /* Created a file ok */
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}
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if (fd < 0)
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{
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DEBUGF("open failed\n");
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return NULL;
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}
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if (sim_write(fd, addr, blob_size) != (ssize_t)blob_size)
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{
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DEBUGF("Write failed\n");
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sim_close(fd);
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sim_remove(tempfile);
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return NULL;
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}
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sim_close(fd);
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return lc_open(tempfile, NULL, 0);
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}
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