WebSVN – HelenOS – Diff – /trunk/uspace/app/trace/trace.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 trace
 * @{
 */
/** @file
 */
 
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <syscall.h>
#include <ipc/ipc.h>
#include <fibril.h>
#include <errno.h>
#include <udebug.h>
#include <async.h>
 
// Temporary: service and method names
#include "proto.h"
#include <ipc/services.h>
#include "../../srv/vfs/vfs.h"
#include "../../srv/console/console.h"
 
#include "syscalls.h"
#include "ipcp.h"
#include "errors.h"
#include "trace.h"
 
#define THBUF_SIZE 64
unsigned thread_hash_buf[THBUF_SIZE];
unsigned n_threads;
 
int next_thread_id;
 
int phoneid;
int abort_trace;
 
unsigned thash;
volatile int paused;
 
void thread_trace_start(unsigned thread_hash);
 
static proto_t *proto_console;
static task_id_t task_id;
 
/** Combination of events/data to print. */
display_mask_t display_mask;
 
static int task_connect(task_id_t task_id)
{
    int rc;
 
    rc = ipc_connect_kbox(task_id);
 
    if (rc == ENOTSUP) {
        printf("You do not have userspace debugging support "
            "compiled in the kernel.\n");
        printf("Compile kernel with 'Support for userspace debuggers' "
            "(CONFIG_UDEBUG) enabled.\n");
        return rc;
    }
 
    if (rc < 0) {
        printf("Error connecting\n");
        printf("ipc_connect_task(%lld) -> %d ", task_id, rc);
        return rc;
    }
 
    phoneid = rc;
 
    rc = udebug_begin(phoneid);
    if (rc < 0) {
        printf("udebug_begin() -> %d\n", rc);
        return rc;
    }
 
    rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);
    if (rc < 0) {
        printf("udebug_set_evmask(0x%x) -> %d\n ", UDEBUG_EM_ALL, rc);
        return rc;
    }
 
    return 0;
}
 
static int get_thread_list(void)
{
    int rc;
    size_t tb_copied;
    size_t tb_needed;
    int i;
 
    rc = udebug_thread_read(phoneid, thread_hash_buf,
        THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);
    if (rc < 0) {
        printf("udebug_thread_read() -> %d\n", rc);
        return rc;
    }
 
    n_threads = tb_copied / sizeof(unsigned);
 
    printf("Threads:");
    for (i = 0; i < n_threads; i++) {
        printf(" [%d] (hash 0x%u)", 1+i, thread_hash_buf[i]);
    }
    printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned));
 
    return 0;
}
 
static void print_sc_retval(int retval, rv_type_t rv_type)
{
    printf (" -> ");
    if (rv_type == RV_INTEGER) {
        printf("%d", retval);
    } else if (rv_type == RV_HASH) {
        printf("0x%08x", retval);
    } else if (rv_type == RV_ERRNO) {
        if (retval >= -15 && retval <= 0) {
            printf("%d %s (%s)", retval,
                err_desc[retval].name,
                err_desc[retval].desc);
        } else {
            printf("%d", retval);
        }
    } else if (rv_type == RV_INT_ERRNO) {
        if (retval >= -15 && retval < 0) {
            printf("%d %s (%s)", retval,
                err_desc[retval].name,
                err_desc[retval].desc);
        } else {
            printf("%d", retval);
        }
    }
    putchar('\n');
}
 
static void print_sc_args(unsigned *sc_args, int n)
{
    int i;
 
    putchar('(');
    if (n > 0) printf("%d", sc_args[0]);
    for (i=1; i<n; i++) {
        printf(", %d", sc_args[i]);
    }
    putchar(')');
}
 
static void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc)
{
    ipc_call_t call;
    int phoneid;
   
    if (sc_rc == IPC_CALLRET_FATAL || sc_rc == IPC_CALLRET_TEMPORARY)
        return;
 
    phoneid = sc_args[0];
 
    IPC_SET_METHOD(call, sc_args[1]);
    IPC_SET_ARG1(call, sc_args[2]);
    IPC_SET_ARG2(call, sc_args[3]);
    IPC_SET_ARG3(call, sc_args[4]);
    IPC_SET_ARG4(call, sc_args[5]);
    IPC_SET_ARG5(call, 0);
 
    ipcp_call_out(phoneid, &call, sc_rc);
}
 
static void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc)
{
    ipc_call_t call;
    int rc;
 
    if (sc_rc == IPC_CALLRET_FATAL || sc_rc == IPC_CALLRET_TEMPORARY)
        return;
 
    memset(&call, 0, sizeof(call));
    rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));
 
    if (rc >= 0) {
        ipcp_call_out(sc_args[0], &call, sc_rc);
    }
}
 
static void sc_ipc_call_sync_fast(unsigned *sc_args)
{
    ipc_call_t question, reply;
    int rc;
    int phoneidx;
 
//  printf("sc_ipc_call_sync_fast()\n");
    phoneidx = sc_args[0];
 
    IPC_SET_METHOD(question, sc_args[1]);
    IPC_SET_ARG1(question, sc_args[2]);
    IPC_SET_ARG2(question, sc_args[3]);
    IPC_SET_ARG3(question, sc_args[4]);
    IPC_SET_ARG4(question, 0);
    IPC_SET_ARG5(question, 0);
 
//  printf("memset\n");
    memset(&reply, 0, sizeof(reply));
//  printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",
//      phoneid, &reply.args, sc_args[5], sizeof(reply.args));
    rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));
//  printf("dmr->%d\n", rc);
    if (rc < 0) return;
 
//  printf("call ipc_call_sync\n");
    ipcp_call_sync(phoneidx, &question, &reply);
}
 
static void sc_ipc_call_sync_slow(unsigned *sc_args)
{
    ipc_call_t question, reply;
    int rc;
 
    memset(&question, 0, sizeof(question));
    rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));
    printf("dmr->%d\n", rc);
    if (rc < 0) return;
 
    memset(&reply, 0, sizeof(reply));
    rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));
    printf("dmr->%d\n", rc);
    if (rc < 0) return;
 
    ipcp_call_sync(sc_args[0], &question, &reply);
}
 
static void sc_ipc_wait(unsigned *sc_args, int sc_rc)
{
    ipc_call_t call;
    int rc;
 
    if (sc_rc == 0) return;
 
    memset(&call, 0, sizeof(call));
    rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));
//  printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",
//      phoneid, (int)&call, sc_args[0], sizeof(call), rc);
 
    if (rc >= 0) {
        ipcp_call_in(&call, sc_rc);
    }
}
 
static void event_syscall_b(unsigned thread_id, unsigned thread_hash,  unsigned sc_id, int sc_rc)
{
    unsigned sc_args[6];
    int rc;
 
    /* Read syscall arguments */
    rc = udebug_args_read(phoneid, thread_hash, sc_args);
 
    async_serialize_start();
 
//  printf("[%d] ", thread_id);
 
    if (rc < 0) {
        printf("error\n");
        async_serialize_end();
        return;
    }
 
    if ((display_mask & DM_SYSCALL) != 0) {
        /* Print syscall name and arguments */
        printf("%s", syscall_desc[sc_id].name);
        print_sc_args(sc_args, syscall_desc[sc_id].n_args);
    }
 
    async_serialize_end();
}
 
static void event_syscall_e(unsigned thread_id, unsigned thread_hash,  unsigned sc_id, int sc_rc)
{
    unsigned sc_args[6];
    int rv_type;
    int rc;
 
    /* Read syscall arguments */
    rc = udebug_args_read(phoneid, thread_hash, sc_args);
 
    async_serialize_start();
 
//  printf("[%d] ", thread_id);
 
    if (rc < 0) {
        printf("error\n");
        async_serialize_end();
        return;
    }
 
    if ((display_mask & DM_SYSCALL) != 0) {
        /* Print syscall return value */
        rv_type = syscall_desc[sc_id].rv_type;
        print_sc_retval(sc_rc, rv_type);
    }
 
    switch (sc_id) {
    case SYS_IPC_CALL_ASYNC_FAST:
        sc_ipc_call_async_fast(sc_args, sc_rc);
        break;
    case SYS_IPC_CALL_ASYNC_SLOW:
        sc_ipc_call_async_slow(sc_args, sc_rc);
        break;
    case SYS_IPC_CALL_SYNC_FAST:
        sc_ipc_call_sync_fast(sc_args);
        break;
    case SYS_IPC_CALL_SYNC_SLOW:
        sc_ipc_call_sync_slow(sc_args);
        break;
    case SYS_IPC_WAIT:
        sc_ipc_wait(sc_args, sc_rc);
        break;
    default:
        break;
    }
 
    async_serialize_end();
}
 
static void event_thread_b(unsigned hash)
{
    async_serialize_start();
    printf("New thread, hash 0x%x\n", hash);
    async_serialize_end();
 
    thread_trace_start(hash);
}
 
static int trace_loop(void *thread_hash_arg)
{
    int rc;
    unsigned ev_type;
    unsigned thread_hash;
    unsigned thread_id;
    unsigned val0, val1;
 
    thread_hash = (unsigned)thread_hash_arg;
    thread_id = next_thread_id++;
 
    printf("Start tracing thread [%d] (hash 0x%x)\n", thread_id, thread_hash);
 
    while (!abort_trace) {
 
        /* Run thread until an event occurs */
        rc = udebug_go(phoneid, thread_hash,
            &ev_type, &val0, &val1);
 
//      printf("rc = %d, ev_type=%d\n", rc, ev_type);
        if (ev_type == UDEBUG_EVENT_FINISHED) {
            /* Done tracing this thread */
            break;
        }
 
        if (rc >= 0) {
            switch (ev_type) {
            case UDEBUG_EVENT_SYSCALL_B:
                event_syscall_b(thread_id, thread_hash, val0, (int)val1);
                break;
            case UDEBUG_EVENT_SYSCALL_E:
                event_syscall_e(thread_id, thread_hash, val0, (int)val1);
                break;
            case UDEBUG_EVENT_STOP:
                printf("Stop event\n");
                printf("Waiting for resume\n");
                while (paused) {
                    usleep(1000000);
                    fibril_yield();
                    printf(".");
                }
                printf("Resumed\n");
                break;
            case UDEBUG_EVENT_THREAD_B:
                event_thread_b(val0);
                break;
            case UDEBUG_EVENT_THREAD_E:
                printf("Thread 0x%x exited\n", val0);
                abort_trace = 1;
                break;
            default:
                printf("Unknown event type %d\n", ev_type);
                break;
            }
        }
 
    }
 
    printf("Finished tracing thread [%d]\n", thread_id);
    return 0;
}
 
void thread_trace_start(unsigned thread_hash)
{
    fid_t fid;
 
    thash = thread_hash;
 
    fid = fibril_create(trace_loop, (void *)thread_hash);
    if (fid == 0) {
        printf("Warning: Failed creating fibril\n");
    }
    fibril_add_ready(fid);
}
 
static void trace_active_task(task_id_t task_id)
{
    int i;
    int rc;
    int c;
 
 
 
    rc = task_connect(task_id);
    if (rc < 0) {
        printf("Failed to connect to task %lld\n", task_id);
        return;
    }
 
    printf("Connected to task %lld\n", task_id);
 
    ipcp_init();
 
    /*
     * User apps now typically have console on phone 3.
     * (Phones 1 and 2 are used by the loader).
     */
    ipcp_connection_set(3, 0, proto_console);
 
    rc = get_thread_list();
    if (rc < 0) {
        printf("Failed to get thread list (error %d)\n", rc);
        return;
    }
 
    abort_trace = 0;
 
    for (i = 0; i < n_threads; i++) {
        thread_trace_start(thread_hash_buf[i]);
    }
 
    while(1) {
        c = getchar();
        if (c == 'q') break;
        if (c == 'p') {
            paused = 1;
            rc = udebug_stop(phoneid, thash);
            printf("stop -> %d\n", rc);
        }
        if (c == 'r') {
            paused = 0;
        }
    }
 
    printf("\nTerminate debugging session...\n");
    abort_trace = 1;
    udebug_end(phoneid);
    ipc_hangup(phoneid);
 
    ipcp_cleanup();
 
    printf("Done\n");
    return;
}
 
static void main_init(void)
{
    proto_t *p;
    oper_t *o;
 
    next_thread_id = 1;
    paused = 0;
 
    proto_init();
 
    p = proto_new("vfs");
    o = oper_new("read");
    proto_add_oper(p, VFS_READ, o);
    o = oper_new("write");
    proto_add_oper(p, VFS_WRITE, o);
    o = oper_new("truncate");
    proto_add_oper(p, VFS_TRUNCATE, o);
    o = oper_new("mount");
    proto_add_oper(p, VFS_MOUNT, o);
    o = oper_new("unmount");
    proto_add_oper(p, VFS_UNMOUNT, o);
 
    proto_register(SERVICE_VFS, p);
 
    p = proto_new("console");
    o = oper_new("getchar");
    proto_add_oper(p, CONSOLE_GETCHAR, o);
    o = oper_new("putchar");
    proto_add_oper(p, CONSOLE_PUTCHAR, o);
    o = oper_new("clear");
    proto_add_oper(p, CONSOLE_CLEAR, o);
    o = oper_new("goto");
    proto_add_oper(p, CONSOLE_GOTO, o);
    o = oper_new("getsize");
    proto_add_oper(p, CONSOLE_GETSIZE, o);
    o = oper_new("flush");
    proto_add_oper(p, CONSOLE_FLUSH, o);
    o = oper_new("set_style");
    proto_add_oper(p, CONSOLE_SET_STYLE, o);
    o = oper_new("cursor_visibility");
    proto_add_oper(p, CONSOLE_CURSOR_VISIBILITY, o);
    o = oper_new("flush");
    proto_add_oper(p, CONSOLE_FLUSH, o);
 
    proto_console = p;
    proto_register(SERVICE_CONSOLE, p);
}
 
static void print_syntax()
{
    printf("Syntax: trace [+<events>] <task_id>\n");
    printf("Events: (default is +tp)\n");
    printf("\n");
    printf("\tt ... Thread creation and termination\n");
    printf("\ts ... System calls\n");
    printf("\ti ... Low-level IPC\n");
    printf("\tp ... Protocol level\n");
    printf("\n");
    printf("Example: trace +tsip 12\n");
}
 
static display_mask_t parse_display_mask(char *text)
{
    display_mask_t dm;
    char *c;
 
    c = text;
 
    while (*c) {
        switch (*c) {
        case 't': dm = dm | DM_THREAD; break;
        case 's': dm = dm | DM_SYSCALL; break;
        case 'i': dm = dm | DM_IPC; break;
        case 'p': dm = dm | DM_SYSTEM | DM_USER; break;
        default:
            printf("Unexpected event type '%c'\n", *c);
            exit(1);
        }
 
        ++c;
    }
 
    return dm;
}
 
static int parse_args(int argc, char *argv[])
{
    char *arg;
    char *err_p;
 
    --argc; ++argv;
 
    while (argc > 1) {
        arg = *argv;
        if (arg[0] == '+') {
            display_mask = parse_display_mask(&arg[1]);
        } else {
            printf("Unexpected argument '%s'\n", arg);
            print_syntax();
            return -1;
        }
 
        --argc; ++argv;
    }
 
    if (argc != 1) {
        printf("Missing argument\n");
        print_syntax();
        return 1;
    }
 
    task_id = strtol(*argv, &err_p, 10);
 
    if (*err_p) {
        printf("Task ID syntax error\n");
        print_syntax();
        return -1;
    }
 
    return 0;
}
 
int main(int argc, char *argv[])
{
    printf("System Call / IPC Tracer\n");
 
    display_mask = DM_THREAD | DM_SYSTEM | DM_USER;
 
    if (parse_args(argc, argv) < 0)
        return 1;
 
    main_init();
    trace_active_task(task_id);
 
    return 0;
}
 
/** @}
 */
 

Rev 3442	Rev 3444
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 trace	29	/** @addtogroup trace
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 <unistd.h>	37	#include <unistd.h>
38	#include <syscall.h>	38	#include <syscall.h>
39	#include <ipc/ipc.h>	39	#include <ipc/ipc.h>
40	#include <fibril.h>	40	#include <fibril.h>
41	#include <errno.h>	41	#include <errno.h>
42	#include <udebug.h>	42	#include <udebug.h>
43	#include <async.h>	43	#include <async.h>
44		44
45	// Temporary: service and method names	45	// Temporary: service and method names
46	#include "proto.h"	46	#include "proto.h"
47	#include <ipc/services.h>	47	#include <ipc/services.h>
48	#include "../../srv/vfs/vfs.h"	48	#include "../../srv/vfs/vfs.h"
49	#include "../../srv/console/console.h"	49	#include "../../srv/console/console.h"
50		50
51	#include "syscalls.h"	51	#include "syscalls.h"
52	#include "ipcp.h"	52	#include "ipcp.h"
53	#include "errors.h"	53	#include "errors.h"
-		54	#include "trace.h"
54		55
55	#define THBUF_SIZE 64	56	#define THBUF_SIZE 64
56	unsigned thread_hash_buf[THBUF_SIZE];	57	unsigned thread_hash_buf[THBUF_SIZE];
57	unsigned n_threads;	58	unsigned n_threads;
58		59
59	int next_thread_id;	60	int next_thread_id;
60		61
61	int phoneid;	62	int phoneid;
62	int abort_trace;	63	int abort_trace;
63		64
64	unsigned thash;	65	unsigned thash;
65	volatile int paused;	66	volatile int paused;
66		67
67	void thread_trace_start(unsigned thread_hash);	68	void thread_trace_start(unsigned thread_hash);
68		69
69	static proto_t *proto_console;	70	static proto_t *proto_console;
-		71	static task_id_t task_id;
-		72
-		73	/** Combination of events/data to print. */
-		74	display_mask_t display_mask;
70		75
71	static int task_connect(task_id_t task_id)	76	static int task_connect(task_id_t task_id)
72	{	77	{
73	int rc;	78	int rc;
74		79
75	rc = ipc_connect_kbox(task_id);	80	rc = ipc_connect_kbox(task_id);
76		81
77	if (rc == ENOTSUP) {	82	if (rc == ENOTSUP) {
78	printf("You do not have userspace debugging support "	83	printf("You do not have userspace debugging support "
79	"compiled in the kernel.\n");	84	"compiled in the kernel.\n");
80	printf("Compile kernel with 'Support for userspace debuggers' "	85	printf("Compile kernel with 'Support for userspace debuggers' "
81	"(CONFIG_UDEBUG) enabled.\n");	86	"(CONFIG_UDEBUG) enabled.\n");
82	return rc;	87	return rc;
83	}	88	}
84		89
85	if (rc < 0) {	90	if (rc < 0) {
86	printf("Error connecting\n");	91	printf("Error connecting\n");
87	printf("ipc_connect_task(%lld) -> %d ", task_id, rc);	92	printf("ipc_connect_task(%lld) -> %d ", task_id, rc);
88	return rc;	93	return rc;
89	}	94	}
90		95
91	phoneid = rc;	96	phoneid = rc;
92		97
93	rc = udebug_begin(phoneid);	98	rc = udebug_begin(phoneid);
94	if (rc < 0) {	99	if (rc < 0) {
95	printf("udebug_begin() -> %d\n", rc);	100	printf("udebug_begin() -> %d\n", rc);
96	return rc;	101	return rc;
97	}	102	}
98		103
99	rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);	104	rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);
100	if (rc < 0) {	105	if (rc < 0) {
101	printf("udebug_set_evmask(0x%x) -> %d\n ", UDEBUG_EM_ALL, rc);	106	printf("udebug_set_evmask(0x%x) -> %d\n ", UDEBUG_EM_ALL, rc);
102	return rc;	107	return rc;
103	}	108	}
104		109
105	return 0;	110	return 0;
106	}	111	}
107		112
108	static int get_thread_list(void)	113	static int get_thread_list(void)
109	{	114	{
110	int rc;	115	int rc;
111	size_t tb_copied;	116	size_t tb_copied;
112	size_t tb_needed;	117	size_t tb_needed;
113	int i;	118	int i;
114		119
115	rc = udebug_thread_read(phoneid, thread_hash_buf,	120	rc = udebug_thread_read(phoneid, thread_hash_buf,
116	THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);	121	THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);
117	if (rc < 0) {	122	if (rc < 0) {
118	printf("udebug_thread_read() -> %d\n", rc);	123	printf("udebug_thread_read() -> %d\n", rc);
119	return rc;	124	return rc;
120	}	125	}
121		126
122	n_threads = tb_copied / sizeof(unsigned);	127	n_threads = tb_copied / sizeof(unsigned);
123		128
124	printf("Threads:");	129	printf("Threads:");
125	for (i = 0; i < n_threads; i++) {	130	for (i = 0; i < n_threads; i++) {
126	printf(" [%d] (hash 0x%u)", 1+i, thread_hash_buf[i]);	131	printf(" [%d] (hash 0x%u)", 1+i, thread_hash_buf[i]);
127	}	132	}
128	printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned));	133	printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned));
129		134
130	return 0;	135	return 0;
131	}	136	}
132		137
133	static void print_sc_retval(int retval, rv_type_t rv_type)	138	static void print_sc_retval(int retval, rv_type_t rv_type)
134	{	139	{
135	printf (" -> ");	140	printf (" -> ");
136	if (rv_type == RV_INTEGER) {	141	if (rv_type == RV_INTEGER) {
137	printf("%d", retval);	142	printf("%d", retval);
138	} else if (rv_type == RV_HASH) {	143	} else if (rv_type == RV_HASH) {
139	printf("0x%08x", retval);	144	printf("0x%08x", retval);
140	} else if (rv_type == RV_ERRNO) {	145	} else if (rv_type == RV_ERRNO) {
141	if (retval >= -15 && retval <= 0) {	146	if (retval >= -15 && retval <= 0) {
142	printf("%d %s (%s)", retval,	147	printf("%d %s (%s)", retval,
143	err_desc[retval].name,	148	err_desc[retval].name,
144	err_desc[retval].desc);	149	err_desc[retval].desc);
145	} else {	150	} else {
146	printf("%d", retval);	151	printf("%d", retval);
147	}	152	}
148	} else if (rv_type == RV_INT_ERRNO) {	153	} else if (rv_type == RV_INT_ERRNO) {
149	if (retval >= -15 && retval < 0) {	154	if (retval >= -15 && retval < 0) {
150	printf("%d %s (%s)", retval,	155	printf("%d %s (%s)", retval,
151	err_desc[retval].name,	156	err_desc[retval].name,
152	err_desc[retval].desc);	157	err_desc[retval].desc);
153	} else {	158	} else {
154	printf("%d", retval);	159	printf("%d", retval);
155	}	160	}
156	}	161	}
157	putchar('\n');	162	putchar('\n');
158	}	163	}
159		164
160	static void print_sc_args(unsigned *sc_args, int n)	165	static void print_sc_args(unsigned *sc_args, int n)
161	{	166	{
162	int i;	167	int i;
163		168
164	putchar('(');	169	putchar('(');
165	if (n > 0) printf("%d", sc_args[0]);	170	if (n > 0) printf("%d", sc_args[0]);
166	for (i=1; i<n; i++) {	171	for (i=1; i<n; i++) {
167	printf(", %d", sc_args[i]);	172	printf(", %d", sc_args[i]);
168	}	173	}
169	putchar(')');	174	putchar(')');
170	}	175	}
171		176
172	static void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc)	177	static void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc)
173	{	178	{
174	ipc_call_t call;	179	ipc_call_t call;
175	int phoneid;	180	int phoneid;
176		181
177	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)	182	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)
178	return;	183	return;
179		184
180	phoneid = sc_args[0];	185	phoneid = sc_args[0];
181		186
182	IPC_SET_METHOD(call, sc_args[1]);	187	IPC_SET_METHOD(call, sc_args[1]);
183	IPC_SET_ARG1(call, sc_args[2]);	188	IPC_SET_ARG1(call, sc_args[2]);
184	IPC_SET_ARG2(call, sc_args[3]);	189	IPC_SET_ARG2(call, sc_args[3]);
185	IPC_SET_ARG3(call, sc_args[4]);	190	IPC_SET_ARG3(call, sc_args[4]);
186	IPC_SET_ARG4(call, sc_args[5]);	191	IPC_SET_ARG4(call, sc_args[5]);
187	IPC_SET_ARG5(call, 0);	192	IPC_SET_ARG5(call, 0);
188		193
189	ipcp_call_out(phoneid, &call, sc_rc);	194	ipcp_call_out(phoneid, &call, sc_rc);
190	}	195	}
191		196
192	static void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc)	197	static void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc)
193	{	198	{
194	ipc_call_t call;	199	ipc_call_t call;
195	int rc;	200	int rc;
196		201
197	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)	202	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)
198	return;	203	return;
199		204
200	memset(&call, 0, sizeof(call));	205	memset(&call, 0, sizeof(call));
201	rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));	206	rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));
202		207
203	if (rc >= 0) {	208	if (rc >= 0) {
204	ipcp_call_out(sc_args[0], &call, sc_rc);	209	ipcp_call_out(sc_args[0], &call, sc_rc);
205	}	210	}
206	}	211	}
207		212
208	static void sc_ipc_call_sync_fast(unsigned *sc_args)	213	static void sc_ipc_call_sync_fast(unsigned *sc_args)
209	{	214	{
210	ipc_call_t question, reply;	215	ipc_call_t question, reply;
211	int rc;	216	int rc;
212	int phoneidx;	217	int phoneidx;
213		218
214	// printf("sc_ipc_call_sync_fast()\n");	219	// printf("sc_ipc_call_sync_fast()\n");
215	phoneidx = sc_args[0];	220	phoneidx = sc_args[0];
216		221
217	IPC_SET_METHOD(question, sc_args[1]);	222	IPC_SET_METHOD(question, sc_args[1]);
218	IPC_SET_ARG1(question, sc_args[2]);	223	IPC_SET_ARG1(question, sc_args[2]);
219	IPC_SET_ARG2(question, sc_args[3]);	224	IPC_SET_ARG2(question, sc_args[3]);
220	IPC_SET_ARG3(question, sc_args[4]);	225	IPC_SET_ARG3(question, sc_args[4]);
221	IPC_SET_ARG4(question, 0);	226	IPC_SET_ARG4(question, 0);
222	IPC_SET_ARG5(question, 0);	227	IPC_SET_ARG5(question, 0);
223		228
224	// printf("memset\n");	229	// printf("memset\n");
225	memset(&reply, 0, sizeof(reply));	230	memset(&reply, 0, sizeof(reply));
226	// printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",	231	// printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",
227	// phoneid, &reply.args, sc_args[5], sizeof(reply.args));	232	// phoneid, &reply.args, sc_args[5], sizeof(reply.args));
228	rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));	233	rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));
229	// printf("dmr->%d\n", rc);	234	// printf("dmr->%d\n", rc);
230	if (rc < 0) return;	235	if (rc < 0) return;
231		236
232	// printf("call ipc_call_sync\n");	237	// printf("call ipc_call_sync\n");
233	ipcp_call_sync(phoneidx, &question, &reply);	238	ipcp_call_sync(phoneidx, &question, &reply);
234	}	239	}
235		240
236	static void sc_ipc_call_sync_slow(unsigned *sc_args)	241	static void sc_ipc_call_sync_slow(unsigned *sc_args)
237	{	242	{
238	ipc_call_t question, reply;	243	ipc_call_t question, reply;
239	int rc;	244	int rc;
240		245
241	memset(&question, 0, sizeof(question));	246	memset(&question, 0, sizeof(question));
242	rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));	247	rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));
243	printf("dmr->%d\n", rc);	248	printf("dmr->%d\n", rc);
244	if (rc < 0) return;	249	if (rc < 0) return;
245		250
246	memset(&reply, 0, sizeof(reply));	251	memset(&reply, 0, sizeof(reply));
247	rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));	252	rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));
248	printf("dmr->%d\n", rc);	253	printf("dmr->%d\n", rc);
249	if (rc < 0) return;	254	if (rc < 0) return;
250		255
251	ipcp_call_sync(sc_args[0], &question, &reply);	256	ipcp_call_sync(sc_args[0], &question, &reply);
252	}	257	}
253		258
254	static void sc_ipc_wait(unsigned *sc_args, int sc_rc)	259	static void sc_ipc_wait(unsigned *sc_args, int sc_rc)
255	{	260	{
256	ipc_call_t call;	261	ipc_call_t call;
257	int rc;	262	int rc;
258		263
259	if (sc_rc == 0) return;	264	if (sc_rc == 0) return;
260		265
261	memset(&call, 0, sizeof(call));	266	memset(&call, 0, sizeof(call));
262	rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));	267	rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));
263	// printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",	268	// printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",
264	// phoneid, (int)&call, sc_args[0], sizeof(call), rc);	269	// phoneid, (int)&call, sc_args[0], sizeof(call), rc);
265		270
266	if (rc >= 0) {	271	if (rc >= 0) {
267	ipcp_call_in(&call, sc_rc);	272	ipcp_call_in(&call, sc_rc);
268	}	273	}
269	}	274	}
270		275
271	static void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)	276	static void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)
272	{	277	{
273	unsigned sc_args[6];	278	unsigned sc_args[6];
274	int rc;	279	int rc;
275		280
276	/* Read syscall arguments */	281	/* Read syscall arguments */
277	rc = udebug_args_read(phoneid, thread_hash, sc_args);	282	rc = udebug_args_read(phoneid, thread_hash, sc_args);
278		283
279	async_serialize_start();	284	async_serialize_start();
280		285
281	// printf("[%d] ", thread_id);	286	// printf("[%d] ", thread_id);
282		287
283	if (rc < 0) {	288	if (rc < 0) {
284	printf("error\n");	289	printf("error\n");
285	async_serialize_end();	290	async_serialize_end();
286	return;	291	return;
287	}	292	}
288		293
-		294	if ((display_mask & DM_SYSCALL) != 0) {
289	/* Print syscall name, id and arguments */	295	/* Print syscall name and arguments */
290	printf("%s", syscall_desc[sc_id].name);	296	printf("%s", syscall_desc[sc_id].name);
291	print_sc_args(sc_args, syscall_desc[sc_id].n_args);	297	print_sc_args(sc_args, syscall_desc[sc_id].n_args);
-		298	}
292		299
293	async_serialize_end();	300	async_serialize_end();
294	}	301	}
295		302
296	static void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)	303	static void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)
297	{	304	{
298	unsigned sc_args[6];	305	unsigned sc_args[6];
299	int rv_type;	306	int rv_type;
300	int rc;	307	int rc;
301		308
302	/* Read syscall arguments */	309	/* Read syscall arguments */
303	rc = udebug_args_read(phoneid, thread_hash, sc_args);	310	rc = udebug_args_read(phoneid, thread_hash, sc_args);
304		311
305	async_serialize_start();	312	async_serialize_start();
306		313
307	// printf("[%d] ", thread_id);	314	// printf("[%d] ", thread_id);
308		315
309	if (rc < 0) {	316	if (rc < 0) {
310	printf("error\n");	317	printf("error\n");
311	async_serialize_end();	318	async_serialize_end();
312	return;	319	return;
313	}	320	}
314		321
-		322	if ((display_mask & DM_SYSCALL) != 0) {
-		323	/* Print syscall return value */
315	rv_type = syscall_desc[sc_id].rv_type;	324	rv_type = syscall_desc[sc_id].rv_type;
316	print_sc_retval(sc_rc, rv_type);	325	print_sc_retval(sc_rc, rv_type);
-		326	}
317		327
318	switch (sc_id) {	328	switch (sc_id) {
319	case SYS_IPC_CALL_ASYNC_FAST:	329	case SYS_IPC_CALL_ASYNC_FAST:
320	sc_ipc_call_async_fast(sc_args, sc_rc);	330	sc_ipc_call_async_fast(sc_args, sc_rc);
321	break;	331	break;
322	case SYS_IPC_CALL_ASYNC_SLOW:	332	case SYS_IPC_CALL_ASYNC_SLOW:
323	sc_ipc_call_async_slow(sc_args, sc_rc);	333	sc_ipc_call_async_slow(sc_args, sc_rc);
324	break;	334	break;
325	case SYS_IPC_CALL_SYNC_FAST:	335	case SYS_IPC_CALL_SYNC_FAST:
326	sc_ipc_call_sync_fast(sc_args);	336	sc_ipc_call_sync_fast(sc_args);
327	break;	337	break;
328	case SYS_IPC_CALL_SYNC_SLOW:	338	case SYS_IPC_CALL_SYNC_SLOW:
329	sc_ipc_call_sync_slow(sc_args);	339	sc_ipc_call_sync_slow(sc_args);
330	break;	340	break;
331	case SYS_IPC_WAIT:	341	case SYS_IPC_WAIT:
332	sc_ipc_wait(sc_args, sc_rc);	342	sc_ipc_wait(sc_args, sc_rc);
333	break;	343	break;
334	default:	344	default:
335	break;	345	break;
336	}	346	}
337		347
338	async_serialize_end();	348	async_serialize_end();
339	}	349	}
340		350
341	static void event_thread_b(unsigned hash)	351	static void event_thread_b(unsigned hash)
342	{	352	{
343	async_serialize_start();	353	async_serialize_start();
344	printf("New thread, hash 0x%x\n", hash);	354	printf("New thread, hash 0x%x\n", hash);
345	async_serialize_end();	355	async_serialize_end();
346		356
347	thread_trace_start(hash);	357	thread_trace_start(hash);
348	}	358	}
349		359
350	static int trace_loop(void *thread_hash_arg)	360	static int trace_loop(void *thread_hash_arg)
351	{	361	{
352	int rc;	362	int rc;
353	unsigned ev_type;	363	unsigned ev_type;
354	unsigned thread_hash;	364	unsigned thread_hash;
355	unsigned thread_id;	365	unsigned thread_id;
356	unsigned val0, val1;	366	unsigned val0, val1;
357		367
358	thread_hash = (unsigned)thread_hash_arg;	368	thread_hash = (unsigned)thread_hash_arg;
359	thread_id = next_thread_id++;	369	thread_id = next_thread_id++;
360		370
361	printf("Start tracing thread [%d] (hash 0x%x)\n", thread_id, thread_hash);	371	printf("Start tracing thread [%d] (hash 0x%x)\n", thread_id, thread_hash);
362		372
363	while (!abort_trace) {	373	while (!abort_trace) {
364		374
365	/* Run thread until an event occurs */	375	/* Run thread until an event occurs */
366	rc = udebug_go(phoneid, thread_hash,	376	rc = udebug_go(phoneid, thread_hash,
367	&ev_type, &val0, &val1);	377	&ev_type, &val0, &val1);
368		378
369	// printf("rc = %d, ev_type=%d\n", rc, ev_type);	379	// printf("rc = %d, ev_type=%d\n", rc, ev_type);
370	if (ev_type == UDEBUG_EVENT_FINISHED) {	380	if (ev_type == UDEBUG_EVENT_FINISHED) {
371	/* Done tracing this thread */	381	/* Done tracing this thread */
372	break;	382	break;
373	}	383	}
374		384
375	if (rc >= 0) {	385	if (rc >= 0) {
376	switch (ev_type) {	386	switch (ev_type) {
377	case UDEBUG_EVENT_SYSCALL_B:	387	case UDEBUG_EVENT_SYSCALL_B:
378	event_syscall_b(thread_id, thread_hash, val0, (int)val1);	388	event_syscall_b(thread_id, thread_hash, val0, (int)val1);
379	break;	389	break;
380	case UDEBUG_EVENT_SYSCALL_E:	390	case UDEBUG_EVENT_SYSCALL_E:
381	event_syscall_e(thread_id, thread_hash, val0, (int)val1);	391	event_syscall_e(thread_id, thread_hash, val0, (int)val1);
382	break;	392	break;
383	case UDEBUG_EVENT_STOP:	393	case UDEBUG_EVENT_STOP:
384	printf("Stop event\n");	394	printf("Stop event\n");
385	printf("Waiting for resume\n");	395	printf("Waiting for resume\n");
386	while (paused) {	396	while (paused) {
387	usleep(1000000);	397	usleep(1000000);
388	fibril_yield();	398	fibril_yield();
389	printf(".");	399	printf(".");
390	}	400	}
391	printf("Resumed\n");	401	printf("Resumed\n");
392	break;	402	break;
393	case UDEBUG_EVENT_THREAD_B:	403	case UDEBUG_EVENT_THREAD_B:
394	event_thread_b(val0);	404	event_thread_b(val0);
395	break;	405	break;
396	case UDEBUG_EVENT_THREAD_E:	406	case UDEBUG_EVENT_THREAD_E:
397	printf("Thread 0x%x exited\n", val0);	407	printf("Thread 0x%x exited\n", val0);
398	abort_trace = 1;	408	abort_trace = 1;
399	break;	409	break;
400	default:	410	default:
401	printf("Unknown event type %d\n", ev_type);	411	printf("Unknown event type %d\n", ev_type);
402	break;	412	break;
403	}	413	}
404	}	414	}
405		415
406	}	416	}
407		417
408	printf("Finished tracing thread [%d]\n", thread_id);	418	printf("Finished tracing thread [%d]\n", thread_id);
409	return 0;	419	return 0;
410	}	420	}
411		421
412	void thread_trace_start(unsigned thread_hash)	422	void thread_trace_start(unsigned thread_hash)
413	{	423	{
414	fid_t fid;	424	fid_t fid;
415		425
416	thash = thread_hash;	426	thash = thread_hash;
417		427
418	fid = fibril_create(trace_loop, (void *)thread_hash);	428	fid = fibril_create(trace_loop, (void *)thread_hash);
419	if (fid == 0) {	429	if (fid == 0) {
420	printf("Warning: Failed creating fibril\n");	430	printf("Warning: Failed creating fibril\n");
421	}	431	}
422	fibril_add_ready(fid);	432	fibril_add_ready(fid);
423	}	433	}
424		434
425	static void trace_active_task(task_id_t task_id)	435	static void trace_active_task(task_id_t task_id)
426	{	436	{
427	int i;	437	int i;
428	int rc;	438	int rc;
429	int c;	439	int c;
430		440
431	printf("Syscall Tracer\n");	-
432		-
433	rc = task_connect(task_id);	441	rc = task_connect(task_id);
434	if (rc < 0) {	442	if (rc < 0) {
435	printf("Failed to connect to task %lld\n", task_id);	443	printf("Failed to connect to task %lld\n", task_id);
436	return;	444	return;
437	}	445	}
438		446
439	printf("Connected to task %lld\n", task_id);	447	printf("Connected to task %lld\n", task_id);
440		448
441	ipcp_init();	449	ipcp_init();
442		450
443	/*	451	/*
444	* User apps now typically have console on phone 3.	452	* User apps now typically have console on phone 3.
445	* (Phones 1 and 2 are used by the loader).	453	* (Phones 1 and 2 are used by the loader).
446	*/	454	*/
447	ipcp_connection_set(3, 0, proto_console);	455	ipcp_connection_set(3, 0, proto_console);
448		456
449	rc = get_thread_list();	457	rc = get_thread_list();
450	if (rc < 0) {	458	if (rc < 0) {
451	printf("Failed to get thread list (error %d)\n", rc);	459	printf("Failed to get thread list (error %d)\n", rc);
452	return;	460	return;
453	}	461	}
454		462
455	abort_trace = 0;	463	abort_trace = 0;
456		464
457	for (i = 0; i < n_threads; i++) {	465	for (i = 0; i < n_threads; i++) {
458	thread_trace_start(thread_hash_buf[i]);	466	thread_trace_start(thread_hash_buf[i]);
459	}	467	}
460		468
461	while(1) {	469	while(1) {
462	c = getchar();	470	c = getchar();
463	if (c == 'q') break;	471	if (c == 'q') break;
464	if (c == 'p') {	472	if (c == 'p') {
465	paused = 1;	473	paused = 1;
466	rc = udebug_stop(phoneid, thash);	474	rc = udebug_stop(phoneid, thash);
467	printf("stop -> %d\n", rc);	475	printf("stop -> %d\n", rc);
468	}	476	}
469	if (c == 'r') {	477	if (c == 'r') {
470	paused = 0;	478	paused = 0;
471	}	479	}
472	}	480	}
473		481
474	printf("\nTerminate debugging session...\n");	482	printf("\nTerminate debugging session...\n");
475	abort_trace = 1;	483	abort_trace = 1;
476	udebug_end(phoneid);	484	udebug_end(phoneid);
477	ipc_hangup(phoneid);	485	ipc_hangup(phoneid);
478		486
479	ipcp_cleanup();	487	ipcp_cleanup();
480		488
481	printf("Done\n");	489	printf("Done\n");
482	return;	490	return;
483	}	491	}
484		492
485	static void main_init(void)	493	static void main_init(void)
486	{	494	{
487	proto_t *p;	495	proto_t *p;
488	oper_t *o;	496	oper_t *o;
489		497
490	next_thread_id = 1;	498	next_thread_id = 1;

Subversion Repositories HelenOS

(root)/trunk/uspace/app/trace/trace.c – Rev 3442 → 3444