WebSVN – HelenOS – Diff – /branches/dynload/uspace/lib/libc/generic/libc.c


/*
 * 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[]);
 
int _errno;
 
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);
   
 
 
    /* 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);
}
 
/** @}
 */
 

Rev 4338	Rev 4341
1	/*	1	/*
2	* Copyright (c) 2005 Martin Decky	2	* Copyright (c) 2005 Martin Decky
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup lc Libc	29	/** @addtogroup lc Libc
30	* @brief HelenOS C library	30	* @brief HelenOS C library
31	* @{	31	* @{
32	* @}	32	* @}
33	*/	33	*/
34	/** @addtogroup libc generic	34	/** @addtogroup libc generic
35	* @ingroup lc	35	* @ingroup lc
36	* @{	36	* @{
37	*/	37	*/
38	/** @file	38	/** @file
39	*/	39	*/
40		40
41	#include <libc.h>	41	#include <libc.h>
42	#include <unistd.h>	42	#include <unistd.h>
43	#include <malloc.h>	43	#include <malloc.h>
44	#include <tls.h>	44	#include <tls.h>
45	#include <thread.h>	45	#include <thread.h>
46	#include <fibril.h>	46	#include <fibril.h>
47	#include <io/stream.h>	47	#include <io/stream.h>
48	#include <ipc/ipc.h>	48	#include <ipc/ipc.h>
49	#include <async.h>	49	#include <async.h>
50	#include <as.h>	50	#include <as.h>
51	#include <loader/pcb.h>	51	#include <loader/pcb.h>
52		52
53	/* From librtld. */	53	/* From librtld. */
54	#include <rtld.h>	54	#include <rtld.h>
55	#include <string.h>	55	#include <string.h>
56		56
57	extern char _heap;	57	extern char _heap;
58	extern int main(int argc, char *argv[]);	58	extern int main(int argc, char *argv[]);
59		59
60	int _errno;	60	int _errno;
61		61
62	void _exit(int status)	62	void _exit(int status)
63	{	63	{
64	thread_exit(status);	64	thread_exit(status);
65	}	65	}
66		66
67	void __main(void *pcb_ptr)	67	void __main(void *pcb_ptr)
68	{	68	{
69	fibril_t *f;	69	fibril_t *f;
70	int argc;	70	int argc;
71	char **argv;	71	char **argv;
72		72
73	(void) as_area_create(&_heap, 1, AS_AREA_WRITE \| AS_AREA_READ);	73	(void) as_area_create(&_heap, 1, AS_AREA_WRITE \| AS_AREA_READ);
74	_async_init();	74	_async_init();
75	f = fibril_setup();	75	f = fibril_setup();
76	__tcb_set(f->tcb);	76	__tcb_set(f->tcb);
77		77
78	open_console();	-
79		-
80	/* Save the PCB pointer */	78	/* Save the PCB pointer */
81	__pcb = (pcb_t *)pcb_ptr;	79	__pcb = (pcb_t *)pcb_ptr;
82		80
83	#ifdef __IN_SHARED_LIBC__	81	#ifdef __IN_SHARED_LIBC__
84	if (__pcb != NULL && __pcb->rtld_runtime != NULL) {	82	if (__pcb != NULL && __pcb->rtld_runtime != NULL) {
85	runtime_env = (runtime_env_t *) __pcb->rtld_runtime;	83	runtime_env = (runtime_env_t *) __pcb->rtld_runtime;
86	}	84	}
87	#endif	85	#endif
88		86
89	if (__pcb == NULL) {	87	if (__pcb == NULL) {
90	argc = 0;	88	argc = 0;
91	argv = NULL;	89	argv = NULL;
92	} else {	90	} else {
93	argc = __pcb->argc;	91	argc = __pcb->argc;
94	argv = __pcb->argv;	92	argv = __pcb->argv;
95	}	93	}
96		94
97	main(argc, argv);	95	main(argc, argv);
98	}	96	}
99		97
100	void __exit(void)	98	void __exit(void)
101	{	99	{
102	fibril_teardown(__tcb_get()->fibril_data);	100	fibril_teardown(__tcb_get()->fibril_data);
103	_exit(0);	101	_exit(0);
104	}	102	}
105		103
106	/** @}	104	/** @}
107	*/	105	*/
108		106

Subversion Repositories HelenOS

(root)/branches/dynload/uspace/lib/libc/generic/libc.c – Rev 4338 → 4341