static
void module_load_event2(void *drcontext, const module_data_t *info, bool loaded)
{
inc_count_second(EVENT_MODULE_LOAD_2);
if (!dr_unregister_module_load_event(module_load_event2))
dr_fprintf(STDERR, "unregister failed!\n");
}
static void
event_module_load(void *drcontext, const module_data_t *info, bool loaded)
{
uint64 early_inject;
/* do some more dr_get_proc_address testing */
if (strncmp(dr_module_preferred_name(info), "libc.", 5) == 0) {
module_handle_t lib = info->handle;
dr_export_info_t fn_info;
dr_fprintf(STDERR, "found libc\n");
if (dr_get_proc_address(lib, "malloc") == NULL)
dr_fprintf(STDERR, "ERROR: can't find malloc in libc\n");
if (dr_get_proc_address(lib, "free") == NULL)
dr_fprintf(STDERR, "ERROR: can't find free in libc\n");
if (dr_get_proc_address(lib, "printf") == NULL)
dr_fprintf(STDERR, "ERROR: can't find printf in libc\n");
/* i#884: gettimeofday is indirect code on my system, and calling it
* will crash unless we wait until libc is fully relocated.
* dr_get_proc_address() wraps the fault in a try/except and returns
* NULL. The _ex variant does not, so we use that to test the lookup.
*/
if (!dr_get_proc_address_ex(lib, "gettimeofday", &fn_info, sizeof(fn_info)))
dr_fprintf(STDERR, "ERROR: can't find gettimeofday in libc\n");
dr_unregister_module_load_event(event_module_load);
}
}