示例#1
0
static bool
check_and_mark_native_exec(module_area_t *ma, bool add)
{
    bool is_native = false;
    const char *name = GET_MODULE_NAME(&ma->names);
    ASSERT(os_get_module_info_locked());
    if (DYNAMO_OPTION(native_exec) && name != NULL &&
        on_native_exec_list(name)) {
        LOG(GLOBAL, LOG_INTERP|LOG_VMAREAS, 1,
            "module %s is on native_exec list\n", name);
        is_native = true;
    }

    if (add && is_native) {
        RSTATS_INC(num_native_module_loads);
        vmvector_add(native_exec_areas, ma->start, ma->end, NULL);
    } else if (!add) {
        /* If we're removing and it's native, it should be on there already.  If
         * it's not native, then it shouldn't be present, but we'll remove
         * whatever is there.
         */
        DEBUG_DECLARE(bool present =)
            vmvector_remove(native_exec_areas, ma->start, ma->end);
        ASSERT_CURIOSITY((is_native && present) || (!is_native && !present));
    }
示例#2
0
void
privload_remove_areas(privmod_t *privmod)
{
    uint i;
    os_privmod_data_t *opd = (os_privmod_data_t *) privmod->os_privmod_data;

    /* walk the program header to remove areas */
    for (i = 0; i < opd->os_data.num_segments; i++) {
        vmvector_remove(modlist_areas, 
                        opd->os_data.segments[i].start,
                        opd->os_data.segments[i].end);
    }
    /* NOTE: we create os_privmod_data in privload_add_areas but
     * do not delete here, non-symmetry.
     * This is because we still need the information in os_privmod_data
     * to unmap the segments in privload_unmap_file, which happens after
     * privload_remove_areas. 
     * The create of os_privmod_data should be done when mapping the file 
     * into memory, but the heap is not ready at that time, so postponed 
     * until privload_add_areas.
     */
}