WebSVN – HelenOS – Diff – /branches/dynload/uspace/srv/loader/main.c


/*
 * Copyright (c) 2008 Jiri Svoboda
 * 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 loader
 * @brief   Loads and runs programs from VFS.
 * @{
 */
/**
 * @file
 */
 
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <as.h>
 
#include <elf.h>
#include <elf_load.h>
#include <pcb.h>
 
#define RTLD_BIAS 0x80000
 
int main(int argc, char *argv[])
{
    elf_info_t prog_info;
    elf_info_t interp_info;
    char *file_name;
    pcb_t *pcb;
    int rc;
 
    printf("This is loader\n");
    getchar();
 
    printf("Load program\n");
 
    rc = elf_load_file("/dltest", 0, &prog_info);
//  rc = elf_load_file("/tetris", 0, &prog_info);
    if (rc < 0) {
        printf("failed to load program\n");
        return 1;
    }
 
    printf("Create PCB\n");
    if (elf_create_pcb(&prog_info) < 0) return 1;
 
//  elf_run(&prog_info);
 
//  getchar();
 
    printf("Load dynamic linker\n");
    file_name = "/rtld.so";
    printf("open and read '%s'...\n", file_name);
    rc = elf_load_file(file_name, RTLD_BIAS, &interp_info);
    if (rc < 0) {
        printf("failed to load dynamic linker\n");
        return 1;
    }
 
    /*
     * Provide rtld with some useful data
     */
    pcb = (pcb_t *)PCB_ADDRESS;
    pcb->rtld_dynamic = interp_info.dynamic;
    pcb->rtld_bias = RTLD_BIAS;
 
    printf("run dynamic linker\n");
    elf_run(&interp_info);
 
    /* not reached */
    return 0;
}
 
/** @}
 */
 

Rev 2988	Rev 2989
1	/*	1	/*
2	* Copyright (c) 2008 Jiri Svoboda	2	* Copyright (c) 2008 Jiri Svoboda
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 loader	29	/** @addtogroup loader
30	* @brief Loads and runs programs from VFS.	30	* @brief Loads and runs programs from VFS.
31	* @{	31	* @{
32	*/	32	*/
33	/**	33	/**
34	* @file	34	* @file
35	*/	35	*/
36		36
37	#include <stdio.h>	37	#include <stdio.h>
38	#include <unistd.h>	38	#include <unistd.h>
39	#include <fcntl.h>	39	#include <fcntl.h>
40	#include <sys/types.h>	40	#include <sys/types.h>
41	#include <as.h>	41	#include <as.h>
42		42
43	#include <elf.h>	43	#include <elf.h>
44	#include <elf_load.h>	44	#include <elf_load.h>
-		45	#include <pcb.h>
45		46
46	#define RTLD_BIAS 0x80000	47	#define RTLD_BIAS 0x80000
47		48
48	int main(int argc, char *argv[])	49	int main(int argc, char *argv[])
49	{	50	{
50	elf_info_t prog_info;	51	elf_info_t prog_info;
51	elf_info_t interp_info;	52	elf_info_t interp_info;
52	char *file_name;	53	char *file_name;
-		54	pcb_t *pcb;
53	int rc;	55	int rc;
54		56
55	printf("This is loader\n");	57	printf("This is loader\n");
56	getchar();	58	getchar();
57		59
58	printf("Load program\n");	60	printf("Load program\n");
59		61
60	// rc = elf_load_file("/dltest", 0, &prog_info);	62	rc = elf_load_file("/dltest", 0, &prog_info);
61	rc = elf_load_file("/tetris", 0, &prog_info);	63	// rc = elf_load_file("/tetris", 0, &prog_info);
62	if (rc < 0) {	64	if (rc < 0) {
63	printf("failed to load program\n");	65	printf("failed to load program\n");
64	return 1;	66	return 1;
65	}	67	}
66		68
67	printf("Create PCB\n");	69	printf("Create PCB\n");
68	if (elf_create_pcb(&prog_info) < 0) return 1;	70	if (elf_create_pcb(&prog_info) < 0) return 1;
69		71
70	// elf_run(&prog_info);	72	// elf_run(&prog_info);
71		73
72	// getchar();	74	// getchar();
73		75
74	/* printf("Load dynamic linker\n");	76	printf("Load dynamic linker\n");
75	file_name = "/rtld.so";	77	file_name = "/rtld.so";
76	printf("open and read '%s'...\n", file_name);	78	printf("open and read '%s'...\n", file_name);
77	rc = elf_load_file(file_name, RTLD_BIAS, &interp_info);	79	rc = elf_load_file(file_name, RTLD_BIAS, &interp_info);
78	if (rc < 0) {	80	if (rc < 0) {
79	printf("failed to load dynamic linker\n");	81	printf("failed to load dynamic linker\n");
80	return 1;	82	return 1;
81	}	83	}
82		84
-		85	/*
-		86	* Provide rtld with some useful data
-		87	*/
-		88	pcb = (pcb_t *)PCB_ADDRESS;
-		89	pcb->rtld_dynamic = interp_info.dynamic;
-		90	pcb->rtld_bias = RTLD_BIAS;
-		91
83	printf("run dynamic linker\n");	92	printf("run dynamic linker\n");
84	elf_run(&interp_info);	93	elf_run(&interp_info);
85	*/	94
86	/* not reached */	95	/* not reached */
87	return 0;	96	return 0;
88	}	97	}
89		98
90	/** @}	99	/** @}
91	*/	100	*/
92		101

Subversion Repositories HelenOS

(root)/branches/dynload/uspace/srv/loader/main.c @ 3448 – Rev 2988 → 2989