Esempio n. 1
0
void
loader_init(void)
{
    uint i;
    privmod_t *mod;

    acquire_recursive_lock(&privload_lock);
    VMVECTOR_ALLOC_VECTOR(modlist_areas, GLOBAL_DCONTEXT,
                          VECTOR_SHARED | VECTOR_NEVER_MERGE
                          /* protected by privload_lock */
                          | VECTOR_NO_LOCK,
                          modlist_areas);
    /* os specific loader initialization prologue before finalize the load */
    os_loader_init_prologue();

    /* Process client libs we loaded early but did not finalize */
    for (i = 0; i < privmod_static_idx; i++) {
        /* Transfer to real list so we can do normal processing */
        char name_copy[MAXIMUM_PATH];
        mod = privload_insert(NULL,
                              privmod_static[i].base,
                              privmod_static[i].size,
                              privmod_static[i].name,
                              privmod_static[i].path);
        LOG(GLOBAL, LOG_LOADER, 1, "%s: processing imports for %s\n",
            __FUNCTION__, mod->name);
        /* save a copy for error msg, b/c mod will be unloaded (i#643) */
        snprintf(name_copy, BUFFER_SIZE_ELEMENTS(name_copy), "%s", mod->name);
        NULL_TERMINATE_BUFFER(name_copy);
        if (!privload_load_finalize(mod)) {
            mod = NULL; /* it's been unloaded! */
#ifdef CLIENT_INTERFACE
            SYSLOG(SYSLOG_ERROR, CLIENT_LIBRARY_UNLOADABLE, 5,
                   get_application_name(), get_application_pid(), name_copy,
                   "\n\tUnable to locate imports of client library");
#endif
            os_terminate(NULL, TERMINATE_PROCESS);
            ASSERT_NOT_REACHED();
        }
    }
    /* os specific loader initialization epilogue after finalize the load */
    os_loader_init_epilogue();
    /* FIXME i#338: call loader_thread_init here once get
     * loader_init called after dynamo_thread_init but in a way that
     * works with Windows
     */
    release_recursive_lock(&privload_lock);
}
Esempio n. 2
0
/* os specific loader initialization prologue before finalizing the load. */
void
os_loader_init_prologue(void)
{
    privmod_t *mod;

    ASSERT_OWN_RECURSIVE_LOCK(true, &privload_lock);

    privload_init_search_paths();
    /* insert libdynamorio.so */
    mod = privload_insert(NULL,
                          get_dynamorio_dll_start(),
                          get_dynamorio_dll_end() - get_dynamorio_dll_start(),
                          get_shared_lib_name(get_dynamorio_dll_start()),
                          get_dynamorio_library_path(),
                          NULL/*no opd*/);
    privload_create_os_privmod_data(mod);
    libdr_opd = (os_privmod_data_t *) mod->os_privmod_data;
    mod->externally_loaded = true;
    ASSERT(mod != NULL);
}