static never_inline
void soleOutfixBlockExec(const struct RoseEngine *t,
struct hs_scratch *scratch) {
assert(t);
assert(scratch);
initSomState(t, (u8 *)scratch->core_info.state);
assert(t->outfixEndQueue == 1);
assert(!t->amatcherOffset);
assert(!t->ematcherOffset);
assert(!t->fmatcherOffset);
const struct NFA *nfa = getNfaByQueue(t, 0);
size_t len = nfaRevAccelCheck(nfa, scratch->core_info.buf,
scratch->core_info.len);
if (!len) {
return;
}
struct mq *q = scratch->queues;
initQueue(q, 0, t, scratch);
q->length = len; /* adjust for rev_accel */
nfaQueueInitState(nfa, q);
pushQueueAt(q, 0, MQE_START, 0);
pushQueueAt(q, 1, MQE_TOP, 0);
pushQueueAt(q, 2, MQE_END, scratch->core_info.len);
char rv = nfaQueueExec(q->nfa, q, scratch->core_info.len);
if (rv && nfaAcceptsEod(nfa) && len == scratch->core_info.len) {
nfaCheckFinalState(nfa, q->state, q->streamState, q->length,
q->cb, q->som_cb, scratch);
}
}
static really_inline
void rawBlockExec(const struct RoseEngine *rose, struct hs_scratch *scratch) {
assert(rose);
assert(scratch);
initSomState(rose, scratch->core_info.state);
DEBUG_PRINTF("blockmode scan len=%zu\n", scratch->core_info.len);
roseBlockExec(rose, scratch);
}
static really_inline
void init_stream(struct hs_stream *s, const struct RoseEngine *rose) {
s->rose = rose;
s->offset = 0;
u8 *state = (u8 *)getMultiState(s);
roseInitState(rose, state);
clearEvec((char *)state + rose->stateOffsets.exhausted, rose);
// SOM state multibit structures.
initSomState(rose, state);
}
static really_inline
void pureLiteralBlockExec(const struct RoseEngine *rose,
struct hs_scratch *scratch) {
assert(rose);
assert(scratch);
const struct HWLM *ftable = getFLiteralMatcher(rose);
initSomState(rose, (u8 *)scratch->core_info.state);
const u8 *buffer = scratch->core_info.buf;
size_t length = scratch->core_info.len;
DEBUG_PRINTF("rose engine %d\n", rose->runtimeImpl);
hwlmExec(ftable, buffer, length, 0, selectHwlmAdaptor(rose), scratch,
rose->initialGroups);
}
static really_inline
void init_stream(struct hs_stream *s, const struct RoseEngine *rose) {
char *state = getMultiState(s);
// Make absolutely sure that the 16 bytes leading up to the end of the
// history buffer are initialised, as we rely on this (regardless of the
// actual values used) in FDR.
char *hist_end = state + rose->stateOffsets.history + rose->historyRequired;
assert(hist_end - 16 >= (const char *)s);
unaligned_store_u64a(hist_end - 16, 0xDEADDEADDEADDEADull);
unaligned_store_u64a(hist_end - 8, 0xDEADDEADDEADDEADull);
s->rose = rose;
s->offset = 0;
setStreamStatus(state, 0);
roseInitState(rose, state);
clearEvec(rose, state + rose->stateOffsets.exhausted);
// SOM state multibit structures.
initSomState(rose, state);
}
