Subversion Repositories HelenOS

/*

 * Copyright (c) 2005 Martin Decky

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * - Redistributions of source code must retain the above copyright

 *   notice, this list of conditions and the following disclaimer.

 * - Redistributions in binary form must reproduce the above copyright

 *   notice, this list of conditions and the following disclaimer in the

 *   documentation and/or other materials provided with the distribution.

 * - The name of the author may not be used to endorse or promote products

 *   derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

/** @addtogroup lc Libc

 * @brief	HelenOS C library

 * @{

 * @}

 */

/** @addtogroup libc generic

 * @ingroup lc

 * @{

 */

/** @file

 */ 

#include <libc.h>

#include <unistd.h>

#include <malloc.h>

#include <tls.h>

#include <thread.h>

#include <fibril.h>

#include <io/stream.h>

#include <ipc/ipc.h>

#include <async.h>

#include <as.h>

#include <loader/pcb.h>

/* From librtld. */

#include <rtld.h>

#include <string.h>

extern char _heap;

extern int main(int argc, char *argv[]);

void _exit(int status)

{

	thread_exit(status);

}

void __main(void *pcb_ptr)

{

	fibril_t *f;

	int argc;

	char **argv;

	(void) as_area_create(&_heap, 1, AS_AREA_WRITE | AS_AREA_READ);

	_async_init();

	f = fibril_setup();

	__tcb_set(f->tcb);

	open_console();

	/* Save the PCB pointer */

	__pcb = (pcb_t *)pcb_ptr;

#ifdef __IN_SHARED_LIBC__

	if (__pcb != NULL && __pcb->rtld_runtime != NULL) {

		runtime_env = (runtime_env_t *) __pcb->rtld_runtime;

	}

#endif

	if (__pcb == NULL) {

		argc = 0;

		argv = NULL;

	} else {

		argc = __pcb->argc;

		argv = __pcb->argv;

	}

	main(argc, argv);

}

void __exit(void)

{

	fibril_teardown(__tcb_get()->fibril_data);

	_exit(0);

}

/** @}

 */