/* Generates a jump validator. */
Bool NaClJumpValidatorInitialize(NaClValidatorState* vstate) {
NaClJumpSets* jump_sets = &vstate->jump_sets;
jump_sets->actual_targets = NaClAddressSetCreate(vstate->codesize);
jump_sets->possible_targets = NaClAddressSetCreate(vstate->codesize);
jump_sets->removed_targets = NaClAddressSetCreate(vstate->codesize);
if (jump_sets->actual_targets == NULL ||
jump_sets->possible_targets == NULL ||
jump_sets->removed_targets == NULL) {
NaClValidatorMessage(LOG_ERROR, vstate, "unable to allocate jump sets");
NaClJumpValidatorCleanUp(vstate);
return FALSE;
}
jump_sets->set_array_size = NaClAddressSetArraySize(vstate->codesize);
return TRUE;
}
NaClAddressSet NaClAddressSetCreate(NaClMemorySize size) {
return (NaClAddressSet) calloc(NaClAddressSetArraySize(size),
sizeof(uint8_t));
}