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Rev 2862 Rev 2867
Line 119... Line 119...
119 
            ipc_args[0], ipc_args[1], ipc_args[2],
 119 
            ipc_args[0], ipc_args[1], ipc_args[2],
120 
            ipc_args[3], ipc_args[4], ipc_args[5]);
 120 
            ipc_args[3], ipc_args[4], ipc_args[5]);
121 
    }
 121 
    }
122 
}
 122 
}
123 
 
 123 
 
- 
 
 124 
void event_syscall(unsigned thread_idx, unsigned sc_id, int sc_rc)
- 
 
 125 
{
- 
 
 126 
    unsigned sc_args[6];
- 
 
 127 
    int rv_type;
- 
 
 128 
    int rc;
- 
 
 129 
 
- 
 
 130 
    /* Read syscall arguments */
- 
 
 131 
    rc = debug_args_read(phoneid, threadid_buf[thread_idx], sc_args);
- 
 
 132 
 
- 
 
 133 
    async_serialize_start();
- 
 
 134 
 
- 
 
 135 
    printf("[%d] ", thread_idx);
- 
 
 136 
 
- 
 
 137 
    if (rc < 0) {
- 
 
 138 
        printf("error\n");
- 
 
 139 
        async_serialize_end();
- 
 
 140 
        return;
- 
 
 141 
    }
- 
 
 142 
 
- 
 
 143 
    /* Print syscall name, id and arguments */
- 
 
 144 
    printf("%s", syscall_desc[sc_id].name);
- 
 
 145 
    print_sc_args(sc_args, syscall_desc[sc_id].n_args);
- 
 
 146 
    rv_type = syscall_desc[sc_id].rv_type;
- 
 
 147 
    print_sc_retval(sc_rc, rv_type);
- 
 
 148 
 
- 
 
 149 
    switch (sc_id) {
- 
 
 150 
    case SYS_IPC_CALL_ASYNC_SLOW:
- 
 
 151 
        sc_ipc_call_async_slow(sc_args);
- 
 
 152 
        break;
- 
 
 153 
    default:
- 
 
 154 
        break;
- 
 
 155 
    }
- 
 
 156 
 
- 
 
 157 
    async_serialize_end();
- 
 
 158 
}
- 
 
 159 
 
- 
 
 160 
void event_new_thread(unsigned hash)
- 
 
 161 
{
- 
 
 162 
    async_serialize_start();
- 
 
 163 
    printf("new thread, hash 0x%x\n", hash);
- 
 
 164 
    async_serialize_end();
- 
 
 165 
}
- 
 
 166 
 
124 
void trace_loop(void *thread_idx_arg)
 167 
void trace_loop(void *thread_idx_arg)
125 
{
 168 
{
126 
    int rc;
 169 
    int rc;
127 
    unsigned sc_args[6];
 - 
 
128 
    unsigned copied;
 - 
 
129 
    unsigned ev_type;
 170 
    unsigned ev_type;
130 
    unsigned sc_id;
 - 
 
131 
    int sc_rc;
 - 
 
132 
    int rv_type;
 - 
 
133 
    unsigned thread_idx;
 171 
    unsigned thread_idx;
- 
 
 172 
    unsigned val0, val1;
134 
 
 173 
 
135 
    thread_idx = (unsigned)thread_idx_arg;
 174 
    thread_idx = (unsigned)thread_idx_arg;
136 
    printf("trace_loop(%d)\n", thread_idx);
 175 
    printf("trace_loop(%d)\n", thread_idx);
137 
 
 176 
 
138 
    while (!abort_trace) {
 177 
    while (!abort_trace) {
139 
 
 178 
 
140 
        /* Run thread until a syscall is executed */
 179 
        /* Run thread until an event occurs */
141 
        rc = debug_go(phoneid, threadid_buf[thread_idx],
 180 
        rc = debug_go(phoneid, threadid_buf[thread_idx],
142 
            &ev_type, &sc_id, &sc_rc);
 181 
            &ev_type, &val0, &val1);
143 
 
 182 
 
144 
        printf("rc = %d, ev_type=%d\n", rc, ev_type);
 183 
        printf("rc = %d, ev_type=%d\n", rc, ev_type);
145 
        if (ev_type == UDEBUG_EVENT_FINISHED) {
 184 
        if (ev_type == UDEBUG_EVENT_FINISHED) {
146 
            printf("thread %u debugging finished\n", threadid_buf[thread_idx]);
 185 
            printf("thread %u debugging finished\n", threadid_buf[thread_idx]);
147 
            break;
 186 
            break;
148 
        }
 187 
        }
149 
 
 188 
 
150 
        /* Read syscall arguments */
 - 
 
151 
        if (rc >= 0) {
 189 
        if (rc >= 0) {
- 
 
 190 
            switch (ev_type) {
- 
 
 191 
            case UDEBUG_EVENT_SYSCALL:
152 
            rc = debug_args_read(phoneid, threadid_buf[thread_idx],
 192 
                event_syscall(thread_idx, val0, (int)val1);
- 
 
 193 
                break;
- 
 
 194 
            case UDEBUG_EVENT_NEW_THREAD:
- 
 
 195 
                event_new_thread(val0);
- 
 
 196 
                break;
- 
 
 197 
            default:
- 
 
 198 
                printf("unknown event type %d\n", ev_type);
153 
                sc_args);
 199 
                break;
- 
 
 200 
            }
154 
        }
 201 
        }
155 
 
 202 
 
156 
        async_serialize_start();
 - 
 
157 
 
 - 
 
158 
        printf("[%d] ", thread_idx);
 - 
 
159 
 
 - 
 
160 
        /* Print syscall name, id and arguments */
 - 
 
161 
        if (rc >= 0) {
 - 
 
162 
            printf("%s", syscall_desc[sc_id].name);
 - 
 
163 
            print_sc_args(sc_args, syscall_desc[sc_id].n_args);
 - 
 
164 
            rv_type = syscall_desc[sc_id].rv_type;
 - 
 
165 
            print_sc_retval(sc_rc, rv_type);
 - 
 
166 
        }
 - 
 
167 
 
 - 
 
168 
        async_serialize_end();
 - 
 
169 
 
 - 
 
170 
        switch (sc_id) {
 - 
 
171 
        case SYS_IPC_CALL_ASYNC_SLOW:
 - 
 
172 
            sc_ipc_call_async_slow(sc_args);
 - 
 
173 
            break;
 - 
 
174 
        default:
 - 
 
175 
            break;
 - 
 
176 
        }
 - 
 
177 
    }
 203 
    }
178 
 
 204 
 
179 
    printf("trace_loop(%d) exiting\n", thread_idx);
 205 
    printf("trace_loop(%d) exiting\n", thread_idx);
180 
}
 206 
}
181 
 
 207