void callback(uint64_t env, char* name, map_properties_t* props) {
if (contains_symbol(props, &main) || contains_symbol(props, unmappings) ||
/* env is on the stack - this prevents it from being unmapped if
the kernel gets confused by syscallbuf's stack switching */
contains_symbol(props, &env) || props->start == RR_PAGE_ADDR ||
strcmp(name, "[stack]") == 0) {
return;
}
unmappings[2 * nunmappings] = (uintptr_t)props->start;
unmappings[2 * nunmappings + 1] = (uintptr_t)(props->end - props->start);
++nunmappings;
}
bool Alphabet::contains_string(string string) {
for (int i = 0; i < string.length(); i++) {
if (!contains_symbol(string[i])) {
return false;
}
}
return true;
}