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>
#include <task.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%x)", 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:\n");
    printf("\ttrace [+<events>] <executable> [<arg1> [...]]\n");
    printf("or\ttrace [+<events>] -t <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("Examples:\n");
    printf("\ttrace +s /app/tetris\n");
    printf("\ttrace +tsip -t 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;
 
    task_id = 0;
 
    --argc; ++argv;
 
    while (argc > 0) {
        arg = *argv;
        if (arg[0] == '+') {
            display_mask = parse_display_mask(&arg[1]);
        } else if (arg[0] == '-') {
            if (arg[1] == 't') {
                /* Trace an already running task */
                --argc; ++argv;
                task_id = strtol(*argv, &err_p, 10);
                if (*err_p) {
                    printf("Task ID syntax error\n");
                    print_syntax();
                    return -1;
                }
            } else {
                printf("Uknown option '%s'\n", arg[0]);
                print_syntax();
                return -1;
            }
        } else {
 
 
            break;
        }
 
        --argc; ++argv;
    }
 
    if (task_id != 0) {
        if (argc == 0) return;
        printf("Extra arguments\n");
        print_syntax();
        return -1;
    }
 
 
 
    if (argc < 1) {
        printf("Missing argument\n");
        print_syntax();
        return -1;
    }
 
    /* Execute the specified command and trace the new task. */
    printf("Spawning '%s' with arguments:\n", *argv);
    {
        char **cp = argv;
        while (*cp) printf("'%s'\n", *cp++);
    }
    task_id = task_spawn(*argv, argv);
 
    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 3444	Rev 3447
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	#include <task.h>
44		45
45	// Temporary: service and method names	46	// Temporary: service and method names
46	#include "proto.h"	47	#include "proto.h"
47	#include <ipc/services.h>	48	#include <ipc/services.h>
48	#include "../../srv/vfs/vfs.h"	49	#include "../../srv/vfs/vfs.h"
49	#include "../../srv/console/console.h"	50	#include "../../srv/console/console.h"
50		51
51	#include "syscalls.h"	52	#include "syscalls.h"
52	#include "ipcp.h"	53	#include "ipcp.h"
53	#include "errors.h"	54	#include "errors.h"
54	#include "trace.h"	55	#include "trace.h"
55		56
56	#define THBUF_SIZE 64	57	#define THBUF_SIZE 64
57	unsigned thread_hash_buf[THBUF_SIZE];	58	unsigned thread_hash_buf[THBUF_SIZE];
58	unsigned n_threads;	59	unsigned n_threads;
59		60
60	int next_thread_id;	61	int next_thread_id;
61		62
62	int phoneid;	63	int phoneid;
63	int abort_trace;	64	int abort_trace;
64		65
65	unsigned thash;	66	unsigned thash;
66	volatile int paused;	67	volatile int paused;
67		68
68	void thread_trace_start(unsigned thread_hash);	69	void thread_trace_start(unsigned thread_hash);
69		70
70	static proto_t *proto_console;	71	static proto_t *proto_console;
71	static task_id_t task_id;	72	static task_id_t task_id;
72		73
73	/** Combination of events/data to print. */	74	/** Combination of events/data to print. */
74	display_mask_t display_mask;	75	display_mask_t display_mask;
75		76
76	static int task_connect(task_id_t task_id)	77	static int task_connect(task_id_t task_id)
77	{	78	{
78	int rc;	79	int rc;
79		80
80	rc = ipc_connect_kbox(task_id);	81	rc = ipc_connect_kbox(task_id);
81		82
82	if (rc == ENOTSUP) {	83	if (rc == ENOTSUP) {
83	printf("You do not have userspace debugging support "	84	printf("You do not have userspace debugging support "
84	"compiled in the kernel.\n");	85	"compiled in the kernel.\n");
85	printf("Compile kernel with 'Support for userspace debuggers' "	86	printf("Compile kernel with 'Support for userspace debuggers' "
86	"(CONFIG_UDEBUG) enabled.\n");	87	"(CONFIG_UDEBUG) enabled.\n");
87	return rc;	88	return rc;
88	}	89	}
89		90
90	if (rc < 0) {	91	if (rc < 0) {
91	printf("Error connecting\n");	92	printf("Error connecting\n");
92	printf("ipc_connect_task(%lld) -> %d ", task_id, rc);	93	printf("ipc_connect_task(%lld) -> %d ", task_id, rc);
93	return rc;	94	return rc;
94	}	95	}
95		96
96	phoneid = rc;	97	phoneid = rc;
97		98
98	rc = udebug_begin(phoneid);	99	rc = udebug_begin(phoneid);
99	if (rc < 0) {	100	if (rc < 0) {
100	printf("udebug_begin() -> %d\n", rc);	101	printf("udebug_begin() -> %d\n", rc);
101	return rc;	102	return rc;
102	}	103	}
103		104
104	rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);	105	rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);
105	if (rc < 0) {	106	if (rc < 0) {
106	printf("udebug_set_evmask(0x%x) -> %d\n ", UDEBUG_EM_ALL, rc);	107	printf("udebug_set_evmask(0x%x) -> %d\n ", UDEBUG_EM_ALL, rc);
107	return rc;	108	return rc;
108	}	109	}
109		110
110	return 0;	111	return 0;
111	}	112	}
112		113
113	static int get_thread_list(void)	114	static int get_thread_list(void)
114	{	115	{
115	int rc;	116	int rc;
116	size_t tb_copied;	117	size_t tb_copied;
117	size_t tb_needed;	118	size_t tb_needed;
118	int i;	119	int i;
119		120
120	rc = udebug_thread_read(phoneid, thread_hash_buf,	121	rc = udebug_thread_read(phoneid, thread_hash_buf,
121	THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);	122	THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);
122	if (rc < 0) {	123	if (rc < 0) {
123	printf("udebug_thread_read() -> %d\n", rc);	124	printf("udebug_thread_read() -> %d\n", rc);
124	return rc;	125	return rc;
125	}	126	}
126		127
127	n_threads = tb_copied / sizeof(unsigned);	128	n_threads = tb_copied / sizeof(unsigned);
128		129
129	printf("Threads:");	130	printf("Threads:");
130	for (i = 0; i < n_threads; i++) {	131	for (i = 0; i < n_threads; i++) {
131	printf(" [%d] (hash 0x%u)", 1+i, thread_hash_buf[i]);	132	printf(" [%d] (hash 0x%x)", 1+i, thread_hash_buf[i]);
132	}	133	}
133	printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned));	134	printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned));
134		135
135	return 0;	136	return 0;
136	}	137	}
137		138
138	static void print_sc_retval(int retval, rv_type_t rv_type)	139	static void print_sc_retval(int retval, rv_type_t rv_type)
139	{	140	{
140	printf (" -> ");	141	printf (" -> ");
141	if (rv_type == RV_INTEGER) {	142	if (rv_type == RV_INTEGER) {
142	printf("%d", retval);	143	printf("%d", retval);
143	} else if (rv_type == RV_HASH) {	144	} else if (rv_type == RV_HASH) {
144	printf("0x%08x", retval);	145	printf("0x%08x", retval);
145	} else if (rv_type == RV_ERRNO) {	146	} else if (rv_type == RV_ERRNO) {
146	if (retval >= -15 && retval <= 0) {	147	if (retval >= -15 && retval <= 0) {
147	printf("%d %s (%s)", retval,	148	printf("%d %s (%s)", retval,
148	err_desc[retval].name,	149	err_desc[retval].name,
149	err_desc[retval].desc);	150	err_desc[retval].desc);
150	} else {	151	} else {
151	printf("%d", retval);	152	printf("%d", retval);
152	}	153	}
153	} else if (rv_type == RV_INT_ERRNO) {	154	} else if (rv_type == RV_INT_ERRNO) {
154	if (retval >= -15 && retval < 0) {	155	if (retval >= -15 && retval < 0) {
155	printf("%d %s (%s)", retval,	156	printf("%d %s (%s)", retval,
156	err_desc[retval].name,	157	err_desc[retval].name,
157	err_desc[retval].desc);	158	err_desc[retval].desc);
158	} else {	159	} else {
159	printf("%d", retval);	160	printf("%d", retval);
160	}	161	}
161	}	162	}
162	putchar('\n');	163	putchar('\n');
163	}	164	}
164		165
165	static void print_sc_args(unsigned *sc_args, int n)	166	static void print_sc_args(unsigned *sc_args, int n)
166	{	167	{
167	int i;	168	int i;
168		169
169	putchar('(');	170	putchar('(');
170	if (n > 0) printf("%d", sc_args[0]);	171	if (n > 0) printf("%d", sc_args[0]);
171	for (i=1; i<n; i++) {	172	for (i=1; i<n; i++) {
172	printf(", %d", sc_args[i]);	173	printf(", %d", sc_args[i]);
173	}	174	}
174	putchar(')');	175	putchar(')');
175	}	176	}
176		177
177	static void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc)	178	static void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc)
178	{	179	{
179	ipc_call_t call;	180	ipc_call_t call;
180	int phoneid;	181	int phoneid;
181		182
182	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)	183	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)
183	return;	184	return;
184		185
185	phoneid = sc_args[0];	186	phoneid = sc_args[0];
186		187
187	IPC_SET_METHOD(call, sc_args[1]);	188	IPC_SET_METHOD(call, sc_args[1]);
188	IPC_SET_ARG1(call, sc_args[2]);	189	IPC_SET_ARG1(call, sc_args[2]);
189	IPC_SET_ARG2(call, sc_args[3]);	190	IPC_SET_ARG2(call, sc_args[3]);
190	IPC_SET_ARG3(call, sc_args[4]);	191	IPC_SET_ARG3(call, sc_args[4]);
191	IPC_SET_ARG4(call, sc_args[5]);	192	IPC_SET_ARG4(call, sc_args[5]);
192	IPC_SET_ARG5(call, 0);	193	IPC_SET_ARG5(call, 0);
193		194
194	ipcp_call_out(phoneid, &call, sc_rc);	195	ipcp_call_out(phoneid, &call, sc_rc);
195	}	196	}
196		197
197	static void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc)	198	static void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc)
198	{	199	{
199	ipc_call_t call;	200	ipc_call_t call;
200	int rc;	201	int rc;
201		202
202	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)	203	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)
203	return;	204	return;
204		205
205	memset(&call, 0, sizeof(call));	206	memset(&call, 0, sizeof(call));
206	rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));	207	rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));
207		208
208	if (rc >= 0) {	209	if (rc >= 0) {
209	ipcp_call_out(sc_args[0], &call, sc_rc);	210	ipcp_call_out(sc_args[0], &call, sc_rc);
210	}	211	}
211	}	212	}
212		213
213	static void sc_ipc_call_sync_fast(unsigned *sc_args)	214	static void sc_ipc_call_sync_fast(unsigned *sc_args)
214	{	215	{
215	ipc_call_t question, reply;	216	ipc_call_t question, reply;
216	int rc;	217	int rc;
217	int phoneidx;	218	int phoneidx;
218		219
219	// printf("sc_ipc_call_sync_fast()\n");	220	// printf("sc_ipc_call_sync_fast()\n");
220	phoneidx = sc_args[0];	221	phoneidx = sc_args[0];
221		222
222	IPC_SET_METHOD(question, sc_args[1]);	223	IPC_SET_METHOD(question, sc_args[1]);
223	IPC_SET_ARG1(question, sc_args[2]);	224	IPC_SET_ARG1(question, sc_args[2]);
224	IPC_SET_ARG2(question, sc_args[3]);	225	IPC_SET_ARG2(question, sc_args[3]);
225	IPC_SET_ARG3(question, sc_args[4]);	226	IPC_SET_ARG3(question, sc_args[4]);
226	IPC_SET_ARG4(question, 0);	227	IPC_SET_ARG4(question, 0);
227	IPC_SET_ARG5(question, 0);	228	IPC_SET_ARG5(question, 0);
228		229
229	// printf("memset\n");	230	// printf("memset\n");
230	memset(&reply, 0, sizeof(reply));	231	memset(&reply, 0, sizeof(reply));
231	// printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",	232	// printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",
232	// phoneid, &reply.args, sc_args[5], sizeof(reply.args));	233	// phoneid, &reply.args, sc_args[5], sizeof(reply.args));
233	rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));	234	rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));
234	// printf("dmr->%d\n", rc);	235	// printf("dmr->%d\n", rc);
235	if (rc < 0) return;	236	if (rc < 0) return;
236		237
237	// printf("call ipc_call_sync\n");	238	// printf("call ipc_call_sync\n");
238	ipcp_call_sync(phoneidx, &question, &reply);	239	ipcp_call_sync(phoneidx, &question, &reply);
239	}	240	}
240		241
241	static void sc_ipc_call_sync_slow(unsigned *sc_args)	242	static void sc_ipc_call_sync_slow(unsigned *sc_args)
242	{	243	{
243	ipc_call_t question, reply;	244	ipc_call_t question, reply;
244	int rc;	245	int rc;
245		246
246	memset(&question, 0, sizeof(question));	247	memset(&question, 0, sizeof(question));
247	rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));	248	rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));
248	printf("dmr->%d\n", rc);	249	printf("dmr->%d\n", rc);
249	if (rc < 0) return;	250	if (rc < 0) return;
250		251
251	memset(&reply, 0, sizeof(reply));	252	memset(&reply, 0, sizeof(reply));
252	rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));	253	rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));
253	printf("dmr->%d\n", rc);	254	printf("dmr->%d\n", rc);
254	if (rc < 0) return;	255	if (rc < 0) return;
255		256
256	ipcp_call_sync(sc_args[0], &question, &reply);	257	ipcp_call_sync(sc_args[0], &question, &reply);
257	}	258	}
258		259
259	static void sc_ipc_wait(unsigned *sc_args, int sc_rc)	260	static void sc_ipc_wait(unsigned *sc_args, int sc_rc)
260	{	261	{
261	ipc_call_t call;	262	ipc_call_t call;
262	int rc;	263	int rc;
263		264
264	if (sc_rc == 0) return;	265	if (sc_rc == 0) return;
265		266
266	memset(&call, 0, sizeof(call));	267	memset(&call, 0, sizeof(call));
267	rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));	268	rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));
268	// printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",	269	// printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",
269	// phoneid, (int)&call, sc_args[0], sizeof(call), rc);	270	// phoneid, (int)&call, sc_args[0], sizeof(call), rc);
270		271
271	if (rc >= 0) {	272	if (rc >= 0) {
272	ipcp_call_in(&call, sc_rc);	273	ipcp_call_in(&call, sc_rc);
273	}	274	}
274	}	275	}
275		276
276	static void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)	277	static void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)
277	{	278	{
278	unsigned sc_args[6];	279	unsigned sc_args[6];
279	int rc;	280	int rc;
280		281
281	/* Read syscall arguments */	282	/* Read syscall arguments */
282	rc = udebug_args_read(phoneid, thread_hash, sc_args);	283	rc = udebug_args_read(phoneid, thread_hash, sc_args);
283		284
284	async_serialize_start();	285	async_serialize_start();
285		286
286	// printf("[%d] ", thread_id);	287	// printf("[%d] ", thread_id);
287		288
288	if (rc < 0) {	289	if (rc < 0) {
289	printf("error\n");	290	printf("error\n");
290	async_serialize_end();	291	async_serialize_end();
291	return;	292	return;
292	}	293	}
293		294
294	if ((display_mask & DM_SYSCALL) != 0) {	295	if ((display_mask & DM_SYSCALL) != 0) {
295	/* Print syscall name and arguments */	296	/* Print syscall name and arguments */
296	printf("%s", syscall_desc[sc_id].name);	297	printf("%s", syscall_desc[sc_id].name);
297	print_sc_args(sc_args, syscall_desc[sc_id].n_args);	298	print_sc_args(sc_args, syscall_desc[sc_id].n_args);
298	}	299	}
299		300
300	async_serialize_end();	301	async_serialize_end();
301	}	302	}
302		303
303	static void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)	304	static void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)
304	{	305	{
305	unsigned sc_args[6];	306	unsigned sc_args[6];
306	int rv_type;	307	int rv_type;
307	int rc;	308	int rc;
308		309
309	/* Read syscall arguments */	310	/* Read syscall arguments */
310	rc = udebug_args_read(phoneid, thread_hash, sc_args);	311	rc = udebug_args_read(phoneid, thread_hash, sc_args);
311		312
312	async_serialize_start();	313	async_serialize_start();
313		314
314	// printf("[%d] ", thread_id);	315	// printf("[%d] ", thread_id);
315		316
316	if (rc < 0) {	317	if (rc < 0) {
317	printf("error\n");	318	printf("error\n");
318	async_serialize_end();	319	async_serialize_end();
319	return;	320	return;
320	}	321	}
321		322
322	if ((display_mask & DM_SYSCALL) != 0) {	323	if ((display_mask & DM_SYSCALL) != 0) {
323	/* Print syscall return value */	324	/* Print syscall return value */
324	rv_type = syscall_desc[sc_id].rv_type;	325	rv_type = syscall_desc[sc_id].rv_type;
325	print_sc_retval(sc_rc, rv_type);	326	print_sc_retval(sc_rc, rv_type);
326	}	327	}
327		328
328	switch (sc_id) {	329	switch (sc_id) {
329	case SYS_IPC_CALL_ASYNC_FAST:	330	case SYS_IPC_CALL_ASYNC_FAST:
330	sc_ipc_call_async_fast(sc_args, sc_rc);	331	sc_ipc_call_async_fast(sc_args, sc_rc);
331	break;	332	break;
332	case SYS_IPC_CALL_ASYNC_SLOW:	333	case SYS_IPC_CALL_ASYNC_SLOW:
333	sc_ipc_call_async_slow(sc_args, sc_rc);	334	sc_ipc_call_async_slow(sc_args, sc_rc);
334	break;	335	break;
335	case SYS_IPC_CALL_SYNC_FAST:	336	case SYS_IPC_CALL_SYNC_FAST:
336	sc_ipc_call_sync_fast(sc_args);	337	sc_ipc_call_sync_fast(sc_args);
337	break;	338	break;
338	case SYS_IPC_CALL_SYNC_SLOW:	339	case SYS_IPC_CALL_SYNC_SLOW:
339	sc_ipc_call_sync_slow(sc_args);	340	sc_ipc_call_sync_slow(sc_args);
340	break;	341	break;
341	case SYS_IPC_WAIT:	342	case SYS_IPC_WAIT:
342	sc_ipc_wait(sc_args, sc_rc);	343	sc_ipc_wait(sc_args, sc_rc);
343	break;	344	break;
344	default:	345	default:
345	break;	346	break;
346	}	347	}
347		348
348	async_serialize_end();	349	async_serialize_end();
349	}	350	}
350		351
351	static void event_thread_b(unsigned hash)	352	static void event_thread_b(unsigned hash)
352	{	353	{
353	async_serialize_start();	354	async_serialize_start();
354	printf("New thread, hash 0x%x\n", hash);	355	printf("New thread, hash 0x%x\n", hash);
355	async_serialize_end();	356	async_serialize_end();
356		357
357	thread_trace_start(hash);	358	thread_trace_start(hash);
358	}	359	}
359		360
360	static int trace_loop(void *thread_hash_arg)	361	static int trace_loop(void *thread_hash_arg)
361	{	362	{
362	int rc;	363	int rc;
363	unsigned ev_type;	364	unsigned ev_type;
364	unsigned thread_hash;	365	unsigned thread_hash;
365	unsigned thread_id;	366	unsigned thread_id;
366	unsigned val0, val1;	367	unsigned val0, val1;
367		368
368	thread_hash = (unsigned)thread_hash_arg;	369	thread_hash = (unsigned)thread_hash_arg;
369	thread_id = next_thread_id++;	370	thread_id = next_thread_id++;
370		371
371	printf("Start tracing thread [%d] (hash 0x%x)\n", thread_id, thread_hash);	372	printf("Start tracing thread [%d] (hash 0x%x)\n", thread_id, thread_hash);
372		373
373	while (!abort_trace) {	374	while (!abort_trace) {
374		375
375	/* Run thread until an event occurs */	376	/* Run thread until an event occurs */
376	rc = udebug_go(phoneid, thread_hash,	377	rc = udebug_go(phoneid, thread_hash,
377	&ev_type, &val0, &val1);	378	&ev_type, &val0, &val1);
378		379
379	// printf("rc = %d, ev_type=%d\n", rc, ev_type);	380	// printf("rc = %d, ev_type=%d\n", rc, ev_type);
380	if (ev_type == UDEBUG_EVENT_FINISHED) {	381	if (ev_type == UDEBUG_EVENT_FINISHED) {
381	/* Done tracing this thread */	382	/* Done tracing this thread */
382	break;	383	break;
383	}	384	}
384		385
385	if (rc >= 0) {	386	if (rc >= 0) {
386	switch (ev_type) {	387	switch (ev_type) {
387	case UDEBUG_EVENT_SYSCALL_B:	388	case UDEBUG_EVENT_SYSCALL_B:
388	event_syscall_b(thread_id, thread_hash, val0, (int)val1);	389	event_syscall_b(thread_id, thread_hash, val0, (int)val1);
389	break;	390	break;
390	case UDEBUG_EVENT_SYSCALL_E:	391	case UDEBUG_EVENT_SYSCALL_E:
391	event_syscall_e(thread_id, thread_hash, val0, (int)val1);	392	event_syscall_e(thread_id, thread_hash, val0, (int)val1);
392	break;	393	break;
393	case UDEBUG_EVENT_STOP:	394	case UDEBUG_EVENT_STOP:
394	printf("Stop event\n");	395	printf("Stop event\n");
395	printf("Waiting for resume\n");	396	printf("Waiting for resume\n");
396	while (paused) {	397	while (paused) {
397	usleep(1000000);	398	usleep(1000000);
398	fibril_yield();	399	fibril_yield();
399	printf(".");	400	printf(".");
400	}	401	}
401	printf("Resumed\n");	402	printf("Resumed\n");
402	break;	403	break;
403	case UDEBUG_EVENT_THREAD_B:	404	case UDEBUG_EVENT_THREAD_B:
404	event_thread_b(val0);	405	event_thread_b(val0);
405	break;	406	break;
406	case UDEBUG_EVENT_THREAD_E:	407	case UDEBUG_EVENT_THREAD_E:
407	printf("Thread 0x%x exited\n", val0);	408	printf("Thread 0x%x exited\n", val0);
408	abort_trace = 1;	409	abort_trace = 1;
409	break;	410	break;
410	default:	411	default:
411	printf("Unknown event type %d\n", ev_type);	412	printf("Unknown event type %d\n", ev_type);
412	break;	413	break;
413	}	414	}
414	}	415	}
415		416
416	}	417	}
417		418
418	printf("Finished tracing thread [%d]\n", thread_id);	419	printf("Finished tracing thread [%d]\n", thread_id);
419	return 0;	420	return 0;
420	}	421	}
421		422
422	void thread_trace_start(unsigned thread_hash)	423	void thread_trace_start(unsigned thread_hash)
423	{	424	{
424	fid_t fid;	425	fid_t fid;
425		426
426	thash = thread_hash;	427	thash = thread_hash;
427		428
428	fid = fibril_create(trace_loop, (void *)thread_hash);	429	fid = fibril_create(trace_loop, (void *)thread_hash);
429	if (fid == 0) {	430	if (fid == 0) {
430	printf("Warning: Failed creating fibril\n");	431	printf("Warning: Failed creating fibril\n");
431	}	432	}
432	fibril_add_ready(fid);	433	fibril_add_ready(fid);
433	}	434	}
434		435
435	static void trace_active_task(task_id_t task_id)	436	static void trace_active_task(task_id_t task_id)
436	{	437	{
437	int i;	438	int i;
438	int rc;	439	int rc;
439	int c;	440	int c;
440		441
441	rc = task_connect(task_id);	442	rc = task_connect(task_id);
442	if (rc < 0) {	443	if (rc < 0) {
443	printf("Failed to connect to task %lld\n", task_id);	444	printf("Failed to connect to task %lld\n", task_id);
444	return;	445	return;
445	}	446	}
446		447
447	printf("Connected to task %lld\n", task_id);	448	printf("Connected to task %lld\n", task_id);
448		449
449	ipcp_init();	450	ipcp_init();
450		451
451	/*	452	/*
452	* User apps now typically have console on phone 3.	453	* User apps now typically have console on phone 3.
453	* (Phones 1 and 2 are used by the loader).	454	* (Phones 1 and 2 are used by the loader).
454	*/	455	*/
455	ipcp_connection_set(3, 0, proto_console);	456	ipcp_connection_set(3, 0, proto_console);
456		457
457	rc = get_thread_list();	458	rc = get_thread_list();
458	if (rc < 0) {	459	if (rc < 0) {
459	printf("Failed to get thread list (error %d)\n", rc);	460	printf("Failed to get thread list (error %d)\n", rc);
460	return;	461	return;
461	}	462	}
462		463
463	abort_trace = 0;	464	abort_trace = 0;
464		465
465	for (i = 0; i < n_threads; i++) {	466	for (i = 0; i < n_threads; i++) {
466	thread_trace_start(thread_hash_buf[i]);	467	thread_trace_start(thread_hash_buf[i]);
467	}	468	}
468		469
469	while(1) {	470	while(1) {
470	c = getchar();	471	c = getchar();
471	if (c == 'q') break;	472	if (c == 'q') break;
472	if (c == 'p') {	473	if (c == 'p') {
473	paused = 1;	474	paused = 1;
474	rc = udebug_stop(phoneid, thash);	475	rc = udebug_stop(phoneid, thash);
475	printf("stop -> %d\n", rc);	476	printf("stop -> %d\n", rc);
476	}	477	}
477	if (c == 'r') {	478	if (c == 'r') {
478	paused = 0;	479	paused = 0;
479	}	480	}
480	}	481	}
481		482
482	printf("\nTerminate debugging session...\n");	483	printf("\nTerminate debugging session...\n");
483	abort_trace = 1;	484	abort_trace = 1;
484	udebug_end(phoneid);	485	udebug_end(phoneid);
485	ipc_hangup(phoneid);	486	ipc_hangup(phoneid);
486		487
487	ipcp_cleanup();	488	ipcp_cleanup();
488		489
489	printf("Done\n");	490	printf("Done\n");
490	return;	491	return;
491	}	492	}
492		493
493	static void main_init(void)	494	static void main_init(void)
494	{	495	{
495	proto_t *p;	496	proto_t *p;
496	oper_t *o;	497	oper_t *o;
497		498
498	next_thread_id = 1;	499	next_thread_id = 1;
499	paused = 0;	500	paused = 0;

Subversion Repositories HelenOS

(root)/trunk/uspace/app/trace/trace.c – Rev 3444 → 3447