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 "include/arch.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;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    (void)argc;
    addr = strtoul(argv[1], NULL, 0);
 
    printf("You requested a breakpoint at 0x%x\n", addr);
 
 
 
 
 
 
    arch_breakpoint_add(addr);
 
}
 
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 2922	Rev 2923
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 "include/arch.h"
43	#include "cmd.h"	44	#include "cmd.h"
44		45
45	static void cmd_break(int argc, char *argv[]);	46	static void cmd_break(int argc, char *argv[]);
46	void cmd_help(int argc, char *argv[]);	47	void cmd_help(int argc, char *argv[]);
47	static void cmd_read(int argc, char *argv[]);	48	static void cmd_read(int argc, char *argv[]);
48	static void cmd_quit(int argc, char *argv[]);	49	static void cmd_quit(int argc, char *argv[]);
49		50
50	volatile bool quit = false;	51	volatile bool quit = false;
51		52
52	cmd_desc_t cmd_table[] = {	53	cmd_desc_t cmd_table[] = {
53	{ 1, "break", cmd_break },	54	{ 1, "break", cmd_break },
54	{ 0, "help", cmd_help },	55	{ 0, "help", cmd_help },
55	{ 2, "read", cmd_read },	56	{ 2, "read", cmd_read },
56	{ 0, "quit", cmd_quit },	57	{ 0, "quit", cmd_quit },
57	{ -1, NULL, NULL }	58	{ -1, NULL, NULL }
58	};	59	};
59		60
60	static void cmd_break(int argc, char *argv[])	61	static void cmd_break(int argc, char *argv[])
61	{	62	{
62	uintptr_t addr;	63	uintptr_t addr;
63	char brkp[1];	-
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	}	-
76		64
77	(void)argc;	65	(void)argc;
78	addr = strtoul(argv[1], NULL, 0);	66	addr = strtoul(argv[1], NULL, 0);
79		67
80	printf("You requested a breakpoint at 0x%x\n", addr);	68	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);	-
83	brkp[0] = 0xcc;	-
84	rc = udebug_mem_write(app_phone, brkp, addr, 1);	-
85	printf("udebug_mem_write() -> %d\n", rc);	-
86		-
87	brk->addr = addr;	69	arch_breakpoint_add(addr);
88	brk->set = 1;	-
89	}	70	}
90		71
91	void cmd_help(int argc, char *argv[])	72	void cmd_help(int argc, char *argv[])
92	{	73	{
93	int i;	74	int i;
94		75
95	(void)argc; (void)argv;	76	(void)argc; (void)argv;
96	i = 0;	77	i = 0;
97	while (cmd_table[i].name != NULL) {	78	while (cmd_table[i].name != NULL) {
98	printf("%s\n", cmd_table[i].name);	79	printf("%s\n", cmd_table[i].name);
99	++i;	80	++i;
100	}	81	}
101	}	82	}
102		83
103	#define BYTES_PER_LINE 16	84	#define BYTES_PER_LINE 16
104		85
105	static void cmd_read(int argc, char *argv[])	86	static void cmd_read(int argc, char *argv[])
106	{	87	{
107	uintptr_t addr;	88	uintptr_t addr;
108	size_t length;	89	size_t length;
109	uint8_t buf[BYTES_PER_LINE];	90	uint8_t buf[BYTES_PER_LINE];
110	int to_read, i;	91	int to_read, i;
111	int rc;	92	int rc;
112		93
113	(void)argc;	94	(void)argc;
114	addr = strtoul(argv[1], NULL, 0);	95	addr = strtoul(argv[1], NULL, 0);
115	length = strtoul(argv[2], NULL, 0);	96	length = strtoul(argv[2], NULL, 0);
116		97
117	while (length > 0) {	98	while (length > 0) {
118	to_read = length < BYTES_PER_LINE ? length : BYTES_PER_LINE;	99	to_read = length < BYTES_PER_LINE ? length : BYTES_PER_LINE;
119		100
120	rc = udebug_mem_read(app_phone, buf, addr, to_read);	101	rc = udebug_mem_read(app_phone, buf, addr, to_read);
121	if (rc < 0) {	102	if (rc < 0) {
122	printf("error %d\n", rc);	103	printf("error %d\n", rc);
123	return;	104	return;
124	}	105	}
125		106
126	printf("0x%x:", addr);	107	printf("0x%x:", addr);
127	for (i = 0; i < to_read; ++i) {	108	for (i = 0; i < to_read; ++i) {
128	printf(" %02x", buf[i]);	109	printf(" %02x", buf[i]);
129	}	110	}
130	for (i = to_read; i < BYTES_PER_LINE; ++i) {	111	for (i = to_read; i < BYTES_PER_LINE; ++i) {
131	printf(" ");	112	printf(" ");
132	}	113	}
133		114
134	putchar ('\t');	115	putchar ('\t');
135		116
136	for (i = 0; i < to_read; ++i) {	117	for (i = 0; i < to_read; ++i) {
137	if (buf[i] >= 32 && buf[i] < 127)	118	if (buf[i] >= 32 && buf[i] < 127)
138	putchar(buf[i]);	119	putchar(buf[i]);
139	else	120	else
140	putchar('.');	121	putchar('.');
141	}	122	}
142	printf("\n");	123	printf("\n");
143		124
144	addr += to_read;	125	addr += to_read;
145	length -= to_read;	126	length -= to_read;
146	}	127	}
147	}	128	}
148		129
149		130
150	static void cmd_quit(int argc, char *argv[])	131	static void cmd_quit(int argc, char *argv[])
151	{	132	{
152	(void)argc; (void)argv;	133	(void)argc; (void)argv;
153	quit = true;	134	quit = true;
154	}	135	}
155		136
156	/** @}	137	/** @}
157	*/	138	*/
158		139

Subversion Repositories HelenOS

(root)/branches/tracing/uspace/app/debug/cmd.c @ 4392 – Rev 2922 → 2923