Ejemplo n.º 1
0
DR_EXPORT void
dr_client_main(client_id_t id, int argc, const char *argv[])
{
    /* We need 2 reg slots beyond drreg's eflags slots => 3 slots */
    drreg_options_t ops = { sizeof(ops), 3, false };
    dr_set_client_name("DynamoRIO Sample Client 'memtrace'",
                       "http://dynamorio.org/issues");
    if (!drmgr_init() || drreg_init(&ops) != DRREG_SUCCESS || !drutil_init())
        DR_ASSERT(false);

    /* register events */
    dr_register_exit_event(event_exit);
    if (!drmgr_register_thread_init_event(event_thread_init) ||
        !drmgr_register_thread_exit_event(event_thread_exit) ||
        !drmgr_register_bb_app2app_event(event_bb_app2app, NULL) ||
        !drmgr_register_bb_instrumentation_event(NULL /*analysis_func*/,
                                                 event_app_instruction, NULL))
        DR_ASSERT(false);

    client_id = id;
    mutex = dr_mutex_create();

    tls_idx = drmgr_register_tls_field();
    DR_ASSERT(tls_idx != -1);
    /* The TLS field provided by DR cannot be directly accessed from the code cache.
     * For better performance, we allocate raw TLS so that we can directly
     * access and update it with a single instruction.
     */
    if (!dr_raw_tls_calloc(&tls_seg, &tls_offs, MEMTRACE_TLS_COUNT, 0))
        DR_ASSERT(false);

    /* make it easy to tell, by looking at log file, which client executed */
    dr_log(NULL, DR_LOG_ALL, 1, "Client 'memtrace' initializing\n");
}
Ejemplo n.º 2
0
DR_EXPORT void
dr_client_main(client_id_t id, int argc, const char *argv[])
{
    drreg_options_t ops = {sizeof(ops), 1 /*max slots needed: aflags*/, false};
    dr_set_client_name("DynamoRIO Sample Client 'bbcount'",
                       "http://dynamorio.org/issues");
    if (!drmgr_init() || drreg_init(&ops) != DRREG_SUCCESS)
        DR_ASSERT(false);

    /* register events */
    dr_register_exit_event(event_exit);
    if (!drmgr_register_bb_instrumentation_event(NULL, event_app_instruction, NULL))
        DR_ASSERT(false);

    /* make it easy to tell, by looking at log file, which client executed */
    dr_log(NULL, LOG_ALL, 1, "Client 'bbcount' initializing\n");
#ifdef SHOW_RESULTS
    /* also give notification to stderr */
    if (dr_is_notify_on()) {
# ifdef WINDOWS
        /* ask for best-effort printing to cmd window.  must be called at init. */
        dr_enable_console_printing();
# endif
        dr_fprintf(STDERR, "Client bbcount is running\n");
    }
#endif
}
Ejemplo n.º 3
0
DR_EXPORT void
dr_client_main(client_id_t id, int argc, const char *argv[])
{
    drreg_options_t ops = { sizeof(ops), 4 /*max slots needed*/, false };

    dr_set_client_name("DynamoRIO Sample Client 'memval'", "http://dynamorio.org/issues");
    if (!drmgr_init() || !drutil_init() || !drx_init())
        DR_ASSERT(false);
    if (drreg_init(&ops) != DRREG_SUCCESS)
        DR_ASSERT(false);

    /* register events */
    dr_register_exit_event(event_exit);
    if (!drmgr_register_thread_init_event(event_thread_init) ||
        !drmgr_register_thread_exit_event(event_thread_exit) ||
        !drmgr_register_bb_app2app_event(event_bb_app2app, NULL) ||
        !drmgr_register_bb_instrumentation_event(event_app_analysis,
                                                 event_app_instruction, NULL))
        DR_ASSERT(false);
    client_id = id;

    tls_idx = drmgr_register_tls_field();
    trace_buffer = drx_buf_create_trace_buffer(MEM_BUF_SIZE, trace_fault);
    /* We could make this a trace buffer and specially handle faults, but it is not yet
     * worth the effort.
     */
    write_buffer = drx_buf_create_circular_buffer(WRT_BUF_SIZE);
    DR_ASSERT(tls_idx != -1 && trace_buffer != NULL && write_buffer != NULL);

    /* make it easy to tell, by looking at log file, which client executed */
    dr_log(NULL, DR_LOG_ALL, 1, "Client 'memval' initializing\n");
}
Ejemplo n.º 4
0
DR_EXPORT void
dr_client_main(client_id_t id, int argc, const char *argv[])
{
    drreg_options_t ops = { sizeof(ops), 1 /*max slots needed*/, false };
    if (!drmgr_init())
        CHECK(false, "drmgr init failed");
    if (drreg_init(&ops) != DRREG_SUCCESS)
        CHECK(false, "drreg_init failed");
    dr_register_exit_event(event_exit);
    if (!drmgr_register_bb_instrumentation_event(NULL, event_app_instruction, NULL))
        CHECK(false, "bb reg failed");
}
Ejemplo n.º 5
0
DR_EXPORT void
dr_init(client_id_t id)
{
    drreg_options_t ops = { sizeof(ops), 2 /*max slots needed*/, false };
    drreg_status_t res;
    bool ok = drmgr_init();
    CHECK(ok, "drmgr_init failed");
    ok = drx_init();
    CHECK(ok, "drx_init failed");
    res = drreg_init(&ops);
    CHECK(res == DRREG_SUCCESS, "drreg_init failed");
    dr_register_exit_event(event_exit);
    if (!drmgr_register_bb_instrumentation_event(NULL, event_app_instruction, NULL))
        DR_ASSERT(false);
}
Ejemplo n.º 6
0
DR_EXPORT void
dr_client_main(client_id_t id, int argc, const char *argv[])
{
    /* We need 2 reg slots beyond drreg's eflags slots => 3 slots */
    drreg_options_t ops = {sizeof(ops), 3, false};
    /* Specify priority relative to other instrumentation operations: */
    drmgr_priority_t priority = {
        sizeof(priority), /* size of struct */
        "memtrace",       /* name of our operation */
        NULL,             /* optional name of operation we should precede */
        NULL,             /* optional name of operation we should follow */
        0};               /* numeric priority */
    dr_set_client_name("DynamoRIO Sample Client 'memtrace'",
                       "http://dynamorio.org/issues");
    page_size = dr_page_size();
    drmgr_init();
    drutil_init();
    client_id = id;
    mutex = dr_mutex_create();
    dr_register_exit_event(event_exit);
    if (!drmgr_register_thread_init_event(event_thread_init) ||
        !drmgr_register_thread_exit_event(event_thread_exit) ||
        !drmgr_register_bb_app2app_event(event_bb_app2app, &priority) ||
        !drmgr_register_bb_instrumentation_event(NULL, event_bb_insert, &priority) ||
        drreg_init(&ops) != DRREG_SUCCESS) {
        /* something is wrong: can't continue */
        DR_ASSERT(false);
        return;
    }
    tls_index = drmgr_register_tls_field();
    DR_ASSERT(tls_index != -1);

    code_cache_init();
    /* make it easy to tell, by looking at log file, which client executed */
    dr_log(NULL, DR_LOG_ALL, 1, "Client 'memtrace' initializing\n");
#ifdef SHOW_RESULTS
    if (dr_is_notify_on()) {
# ifdef WINDOWS
        /* ask for best-effort printing to cmd window.  must be called at init. */
        dr_enable_console_printing();
# endif
        dr_fprintf(STDERR, "Client memtrace is running\n");
    }
#endif
}
Ejemplo n.º 7
0
DR_EXPORT void
dr_client_main(client_id_t id, int argc, const char *argv[])
{
    /* We need no drreg slots ourselves, but we initialize drreg as we call
     * drreg_restore_app_values(), required since drx_insert_counter_update()
     * uses drreg when drmgr is used.
     */
    drreg_options_t ops = {sizeof(ops)};
    dr_set_client_name("DynamoRIO Sample Client 'modxfer'",
                       "http://dynamorio.org/issues");
    if (!drmgr_init() || drreg_init(&ops) != DRREG_SUCCESS)
        DR_ASSERT(false);
    drx_init();
    /* register events */
    dr_register_exit_event(event_exit);
    if (!drmgr_register_bb_instrumentation_event(event_analyze_bb,
                                                 event_insert_instrumentation, NULL))
        DR_ASSERT(false);
    drmgr_register_module_load_event(event_module_load);
    drmgr_register_module_unload_event(event_module_unload);

    mod_lock = dr_mutex_create();

    logfile = log_file_open(id, NULL /* drcontext */,
                            NULL/* path */, "modxfer",
#ifndef WINDOWS
                            DR_FILE_CLOSE_ON_FORK |
#endif
                            DR_FILE_ALLOW_LARGE);

    DR_ASSERT(logfile != INVALID_FILE);
    /* make it easy to tell, by looking at log file, which client executed */
    dr_log(NULL, LOG_ALL, 1, "Client 'modxfer' initializing\n");
#ifdef SHOW_RESULTS
    /* also give notification to stderr */
    if (dr_is_notify_on()) {
# ifdef WINDOWS
        /* ask for best-effort printing to cmd window.  must be called at init. */
        dr_enable_console_printing();
# endif
        dr_fprintf(STDERR, "Client modxfer is running\n");
    }
#endif
}
Ejemplo n.º 8
0
DR_EXPORT void
dr_client_main(client_id_t id, int argc, const char *argv[])
{
    drreg_options_t ops = {sizeof(ops), 2 /*max slots needed*/, false};
    dr_set_client_name("DynamoRIO Sample Client 'bbbuf'",
                       "http://dynamorio.org/issues");
    if (!drmgr_init() || !drx_init() ||
        drreg_init(&ops) != DRREG_SUCCESS)
        DR_ASSERT(false);

    buf = drx_buf_create_circular_buffer(DRX_BUF_FAST_CIRCULAR_BUFSZ);
    DR_ASSERT(buf);

    /* register events */
    dr_register_exit_event(event_exit);
    if (!drmgr_register_thread_init_event(event_thread_init) ||
        !drmgr_register_bb_instrumentation_event(NULL, event_app_instruction, NULL))
        DR_ASSERT(false);
}
Ejemplo n.º 9
0
/*
 * Main entry point that sets up all the facilities we need.
 */
DR_EXPORT void dr_client_main(client_id_t id, int argc, const char **argv)
{
    dr_set_client_name(
        "Time-sensitive activity logger for PuTTY crypto testing",
        "https://www.chiark.greenend.org.uk/~sgtatham/putty/");

    outfile = INVALID_FILE;

    bool ok = drmgr_init();
    DR_ASSERT(ok);

    /*
     * Run our main instrumentation pass with lower priority than
     * drwrap, so that we don't start logging the inside of a function
     * whose drwrap pre-wrapper would have wanted to disable logging.
     */
    drmgr_priority_t pri = {sizeof(pri), "sclog", NULL, NULL,
                            DRMGR_PRIORITY_INSERT_DRWRAP+1};
    ok = drmgr_register_bb_instrumentation_event(
        NULL, instrument_instr, &pri);
    DR_ASSERT(ok);

    ok = drutil_init();
    DR_ASSERT(ok);

    ok = drwrap_init();
    DR_ASSERT(ok);

    drsym_error_t symstatus = drsym_init(0);
    DR_ASSERT(symstatus == DRSYM_SUCCESS);

    dr_register_exit_event(exit_event);

    drreg_options_t ops = { sizeof(ops), 3, false };
    drreg_status_t regstatus = drreg_init(&ops);
    DR_ASSERT(regstatus == DRREG_SUCCESS);

    drmgr_register_module_load_event(load_module);

    ok = drmgr_register_bb_app2app_event(expand_rep_movsb, NULL);
    DR_ASSERT(ok);
}