WebSVN – HelenOS – Diff – /branches/dynload/uspace/lib/rtld/rtld.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 rtld rtld
 * @brief
 * @{
 */
/**
 * @file
 */
 
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
 
#include <rtld.h>
#include "../../app/iloader/pcb.h"
 
static void kputint(unsigned i)
{
    unsigned dummy;
    asm volatile (
        "movl $30, %%eax;"
        "int $0x30"
        : "=d" (dummy) /* output - %edx clobbered */
        : "d" (i) /* input */
        : "%eax","%ecx" /* all scratch registers clobbered */
    );
}
 
int z = 42;
 
void _putint(int i);
 
void test_func(void);
void test_func(void)
{
    int fd, rc;
    char buf[5];
 
    printf("Hello, world! (from rtld)\n");
 
    fd = open("/tetris", O_RDONLY);
    if (fd < 0) { printf("fd<0 ("); _putint(fd); printf(")\n"); }
    fd = 0;
 
    rc = read(fd, &buf, 4);
    //printf(" ->%d\n", rc);
    buf[4]='\0';
    printf(buf);
    getchar();
 
    printf("x\n");
    while(1);
}
 
 
void _rtld_main(void)
{
//  test_func();
 
    pcb_t *pcb;
 
    printf("Hello, world! (from rtld)\n");
    getchar();
    printf("Run program..\n");
 
    pcb = (pcb_t *)PCB_ADDRESS;
    pcb->entry();
}
 
/** @}
 */
 

Rev 2959	Rev 2965
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 rtld rtld	29	/** @addtogroup rtld rtld
30	* @brief	30	* @brief
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		40
-		41	#include <rtld.h>
41	#include "../../app/iloader/pcb.h"	42	#include "../../app/iloader/pcb.h"
42		43
43	static void kputint(unsigned i)	44	static void kputint(unsigned i)
44	{	45	{
45	unsigned dummy;	46	unsigned dummy;
46	asm volatile (	47	asm volatile (
47	"movl $30, %%eax;"	48	"movl $30, %%eax;"
48	"int $0x30"	49	"int $0x30"
49	: "=d" (dummy) /* output - %edx clobbered */	50	: "=d" (dummy) /* output - %edx clobbered */
50	: "d" (i) /* input */	51	: "d" (i) /* input */
51	: "%eax","%ecx" /* all scratch registers clobbered */	52	: "%eax","%ecx" /* all scratch registers clobbered */
52	);	53	);
53	}	54	}
54		55
55	int z = 42;	56	int z = 42;
56		57
57	void _putint(int i);	58	void _putint(int i);
58		59
59	void test_func(void);	60	void test_func(void);
60	void test_func(void)	61	void test_func(void)
61	{	62	{
62	int fd, rc;	63	int fd, rc;
63	char buf[5];	64	char buf[5];
64		65
65	printf("Hello, world! (from rtld)\n");	66	printf("Hello, world! (from rtld)\n");
66		67
67	fd = open("/tetris", O_RDONLY);	68	fd = open("/tetris", O_RDONLY);
68	if (fd < 0) { printf("fd<0 ("); _putint(fd); printf(")\n"); }	69	if (fd < 0) { printf("fd<0 ("); _putint(fd); printf(")\n"); }
69	fd = 0;	70	fd = 0;
70		71
71	rc = read(fd, &buf, 4);	72	rc = read(fd, &buf, 4);
72	//printf(" ->%d\n", rc);	73	//printf(" ->%d\n", rc);
73	buf[4]='\0';	74	buf[4]='\0';
74	printf(buf);	75	printf(buf);
75	getchar();	76	getchar();
76		77
77	printf("x\n");	78	printf("x\n");
78	while(1);	79	while(1);
79	}	80	}
80		81
81		82
82	void _rtld_main(void)	83	void _rtld_main(void)
83	{	84	{
84	// test_func();	85	// test_func();
85		86
86	pcb_t *pcb;	87	pcb_t *pcb;
87		88
88	printf("Hello, world! (from rtld)\n");	89	printf("Hello, world! (from rtld)\n");
89	getchar();	90	getchar();
90	printf("Run program..\n");	91	printf("Run program..\n");
91		92
92	pcb = (pcb_t *)PCB_ADDRESS;	93	pcb = (pcb_t *)PCB_ADDRESS;
93	pcb->entry();	94	pcb->entry();
94	}	95	}
95		96
96	/** @}	97	/** @}
97	*/	98	*/
98		99

Subversion Repositories HelenOS

(root)/branches/dynload/uspace/lib/rtld/rtld.c @ 3869 – Rev 2959 → 2965