Initial commit of Hyperscan

2025-10-09 15:52:27 +03:00 · 2015-10-20 09:13:35 +11:00
commit 904e436f11
610 changed files with 213627 additions and 0 deletions
--- a/src/scratch_dump.cpp
+++ b/src/scratch_dump.cpp
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2015, Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  * Neither the name of Intel Corporation nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include "scratch.h"
+#include "scratch_dump.h"
+#include "hs_internal.h"
+#include "ue2common.h"
+#include "util/multibit_internal.h"
+#include "nfa/nfa_api_queue.h"
+#include "rose/rose_internal.h"
+
+#include <cassert>
+#include <cstdio>
+
+#ifdef DUMP_SUPPORT
+
+using namespace std;
+
+namespace ue2 {
+
+void dumpScratch(const struct hs_scratch *s, FILE *f) {
+    assert(s);
+
+    fprintf(f, "Scratch space required : %u bytes\n", s->scratchSize);
+    fprintf(f, "  hs_scratch structure : %zu bytes\n", sizeof(*s));
+    fprintf(f, "    tctxt structure    : %zu bytes\n", sizeof(s->tctxt));
+    fprintf(f, "  queues               : %zu bytes\n",
+            s->queueCount * sizeof(struct mq));
+    fprintf(f, "  bStateSize           : %u bytes\n", s->bStateSize);
+    fprintf(f, "  active queue array   : %u bytes\n",
+            mmbit_size(s->queueCount));
+
+    size_t anchored_region_size =
+        s->anchored_region_len * mmbit_size(s->anchored_region_width) +
+        sizeof(u8 *) + mmbit_size(s->anchored_region_len);
+
+    fprintf(f, "  anchored region      : %zu bytes\n", anchored_region_size);
+    fprintf(f, "  qmpq                 : %zu bytes\n",
+            s->queueCount * sizeof(struct queue_match));
+    fprintf(f, "  delay info           : %u bytes\n",
+            mmbit_size(s->delay_count) * DELAY_SLOT_COUNT);
+}
+
+} // namespace ue2
+
+#endif // DUMP_SUPPORT