WebSVN – HelenOS – Diff – /branches/tracing/uspace/app/debug/cmd.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 debug
 * @{
 */
/** @file
 */
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <bool.h>
#include <udebug.h>
#include <sys/types.h>
 
#include "main.h"
#include "cmd.h"
 
static void cmd_break(int argc, char *argv[]);
void        cmd_help(int argc, char *argv[]);
static void cmd_read(int argc, char *argv[]);
static void cmd_quit(int argc, char *argv[]);
 
volatile bool quit = false;
 
cmd_desc_t cmd_table[] = {
    { 1,    "break",    cmd_break },
    { 0,    "help",     cmd_help },
    { 2,    "read",     cmd_read },
    { 0,    "quit",     cmd_quit },
    { -1,   NULL,       NULL }
};
 
static void cmd_break(int argc, char *argv[])
{
    uintptr_t addr;
    char brkp[1];
    int rc;
    breakpoint_t *brk;
    int i;
 
    brk = NULL;
    for (i = 0; i < MAX_BRKPTS; i++)
        if (brk_list[i].set == 0) brk = brk_list+i;
 
    if (!brk) {
        printf("too many breakpoints\n");
        return;
    }
 
    (void)argc;
    addr = strtoul(argv[1], NULL, 0);
 
    printf("You requested a breakpoint at 0x%x\n", addr);
    rc = udebug_mem_read(app_phone, &brk->back, addr, 1);
    printf("udebug_mem_read() -> %d\n", rc);
    brkp[0] = 0xcc;
    rc = udebug_mem_write(app_phone, brkp, addr, 1);
    printf("udebug_mem_write() -> %d\n", rc);
 
    brk->addr = addr;
    brk->set = 1;
}
 
void cmd_help(int argc, char *argv[])
{
    int i;
 
    (void)argc; (void)argv;
    i = 0;
    while (cmd_table[i].name != NULL) {
        printf("%s\n", cmd_table[i].name);
        ++i;
    }
}
 
#define BYTES_PER_LINE 16
 
static void cmd_read(int argc, char *argv[])
{
    uintptr_t addr;
    size_t length;
    uint8_t buf[BYTES_PER_LINE];
    int to_read, i;
    int rc;
 
    (void)argc;
    addr = strtoul(argv[1], NULL, 0);
    length = strtoul(argv[2], NULL, 0);
 
    while (length > 0) {
        to_read = length < BYTES_PER_LINE ? length : BYTES_PER_LINE;
 
        rc = udebug_mem_read(app_phone, buf, addr, to_read);
        if (rc < 0) {
            printf("error %d\n", rc);
            return;
        }
 
        printf("0x%x:", addr);
        for (i = 0; i < to_read; ++i) {
            printf(" %02x", buf[i]);
        }
        for (i = to_read; i < BYTES_PER_LINE; ++i) {
            printf("   ");
        }
 
        putchar ('\t');
 
        for (i = 0; i < to_read; ++i) {
            if (buf[i] >= 32 && buf[i] < 127)
                putchar(buf[i]);
            else
                putchar('.');
        }
        printf("\n");
 
        addr += to_read;
        length -= to_read;
    }
}
 
 
static void cmd_quit(int argc, char *argv[])
{
    (void)argc; (void)argv;
    quit = true;
}
 
/** @}
 */
 

Rev 2915	Rev 2922
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 debug	29	/** @addtogroup debug
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <stdio.h>	35	#include <stdio.h>
36	#include <stdlib.h>	36	#include <stdlib.h>
37	#include <string.h>	37	#include <string.h>
38	#include <bool.h>	38	#include <bool.h>
39	#include <udebug.h>	39	#include <udebug.h>
40	#include <sys/types.h>	40	#include <sys/types.h>
41		41
42	#include "main.h"	42	#include "main.h"
43	#include "cmd.h"	43	#include "cmd.h"
44		44
45	static void cmd_break(int argc, char *argv[]);	45	static void cmd_break(int argc, char *argv[]);
46	void cmd_help(int argc, char *argv[]);	46	void cmd_help(int argc, char *argv[]);
47	static void cmd_read(int argc, char *argv[]);	47	static void cmd_read(int argc, char *argv[]);
48	static void cmd_quit(int argc, char *argv[]);	48	static void cmd_quit(int argc, char *argv[]);
49		49
50	volatile bool quit = false;	50	volatile bool quit = false;
51		51
52	cmd_desc_t cmd_table[] = {	52	cmd_desc_t cmd_table[] = {
53	{ 1, "break", cmd_break },	53	{ 1, "break", cmd_break },
54	{ 0, "help", cmd_help },	54	{ 0, "help", cmd_help },
55	{ 2, "read", cmd_read },	55	{ 2, "read", cmd_read },
56	{ 0, "quit", cmd_quit },	56	{ 0, "quit", cmd_quit },
57	{ -1, NULL, NULL }	57	{ -1, NULL, NULL }
58	};	58	};
59		59
60	static void cmd_break(int argc, char *argv[])	60	static void cmd_break(int argc, char *argv[])
61	{	61	{
62	uintptr_t addr;	62	uintptr_t addr;
63	char brkp[1];	63	char brkp[1];
64	int rc;	64	int rc;
-		65	breakpoint_t *brk;
-		66	int i;
-		67
-		68	brk = NULL;
-		69	for (i = 0; i < MAX_BRKPTS; i++)
-		70	if (brk_list[i].set == 0) brk = brk_list+i;
-		71
-		72	if (!brk) {
-		73	printf("too many breakpoints\n");
-		74	return;
-		75	}
65		76
66	(void)argc;	77	(void)argc;
67	addr = strtoul(argv[1], NULL, 0);	78	addr = strtoul(argv[1], NULL, 0);
68		79
69	printf("You requested a breakpoint at 0x%x\n", addr);	80	printf("You requested a breakpoint at 0x%x\n", addr);
-		81	rc = udebug_mem_read(app_phone, &brk->back, addr, 1);
-		82	printf("udebug_mem_read() -> %d\n", rc);
70	brkp[0] = 0xcc;	83	brkp[0] = 0xcc;
71	rc = udebug_mem_write(app_phone, brkp, addr, 1);	84	rc = udebug_mem_write(app_phone, brkp, addr, 1);
72	printf("udebug_mem_write() -> %d\n", rc);	85	printf("udebug_mem_write() -> %d\n", rc);
-		86
-		87	brk->addr = addr;
-		88	brk->set = 1;
73	}	89	}
74		90
75	void cmd_help(int argc, char *argv[])	91	void cmd_help(int argc, char *argv[])
76	{	92	{
77	int i;	93	int i;
78		94
79	(void)argc; (void)argv;	95	(void)argc; (void)argv;
80	i = 0;	96	i = 0;
81	while (cmd_table[i].name != NULL) {	97	while (cmd_table[i].name != NULL) {
82	printf("%s\n", cmd_table[i].name);	98	printf("%s\n", cmd_table[i].name);
83	++i;	99	++i;
84	}	100	}
85	}	101	}
86		102
87	#define BYTES_PER_LINE 16	103	#define BYTES_PER_LINE 16
88		104
89	static void cmd_read(int argc, char *argv[])	105	static void cmd_read(int argc, char *argv[])
90	{	106	{
91	uintptr_t addr;	107	uintptr_t addr;
92	size_t length;	108	size_t length;
93	uint8_t buf[BYTES_PER_LINE];	109	uint8_t buf[BYTES_PER_LINE];
94	int to_read, i;	110	int to_read, i;
95	int rc;	111	int rc;
96		112
97	(void)argc;	113	(void)argc;
98	addr = strtoul(argv[1], NULL, 0);	114	addr = strtoul(argv[1], NULL, 0);
99	length = strtoul(argv[2], NULL, 0);	115	length = strtoul(argv[2], NULL, 0);
100		116
101	while (length > 0) {	117	while (length > 0) {
102	to_read = length < BYTES_PER_LINE ? length : BYTES_PER_LINE;	118	to_read = length < BYTES_PER_LINE ? length : BYTES_PER_LINE;
103		119
104	rc = udebug_mem_read(app_phone, buf, addr, to_read);	120	rc = udebug_mem_read(app_phone, buf, addr, to_read);
105	if (rc < 0) {	121	if (rc < 0) {
106	printf("error %d\n", rc);	122	printf("error %d\n", rc);
107	return;	123	return;
108	}	124	}
109		125
110	printf("0x%x:", addr);	126	printf("0x%x:", addr);
111	for (i = 0; i < to_read; ++i) {	127	for (i = 0; i < to_read; ++i) {
112	printf(" %02x", buf[i]);	128	printf(" %02x", buf[i]);
113	}	129	}
114	for (i = to_read; i < BYTES_PER_LINE; ++i) {	130	for (i = to_read; i < BYTES_PER_LINE; ++i) {
115	printf(" ");	131	printf(" ");
116	}	132	}
117		133
118	putchar ('\t');	134	putchar ('\t');
119		135
120	for (i = 0; i < to_read; ++i) {	136	for (i = 0; i < to_read; ++i) {
121	if (buf[i] >= 32 && buf[i] < 127)	137	if (buf[i] >= 32 && buf[i] < 127)
122	putchar(buf[i]);	138	putchar(buf[i]);
123	else	139	else
124	putchar('.');	140	putchar('.');
125	}	141	}
126	printf("\n");	142	printf("\n");
127		143
128	addr += to_read;	144	addr += to_read;
129	length -= to_read;	145	length -= to_read;
130	}	146	}
131	}	147	}
132		148
133		149
134	static void cmd_quit(int argc, char *argv[])	150	static void cmd_quit(int argc, char *argv[])
135	{	151	{
136	(void)argc; (void)argv;	152	(void)argc; (void)argv;
137	quit = true;	153	quit = true;
138	}	154	}
139		155
140	/** @}	156	/** @}
141	*/	157	*/
142		158

Subversion Repositories HelenOS

(root)/branches/tracing/uspace/app/debug/cmd.c @ 4392 – Rev 2915 → 2922