vectorscan/src/fdr/fdr_dump.cpp
2015-10-20 09:13:35 +11:00

99 lines
3.4 KiB
C++

/*
* 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 "fdr.h"
#include "fdr_internal.h"
#include "fdr_compile_internal.h"
#include "fdr_dump.h"
#include "fdr_engine_description.h"
#include "teddy_engine_description.h"
#include "ue2common.h"
#include <cstdio>
#include <memory>
#ifndef DUMP_SUPPORT
#error No dump support!
#endif
using std::unique_ptr;
namespace ue2 {
static
bool fdrIsTeddy(const FDR *fdr) {
assert(fdr);
u32 engine = fdr->engineID;
/* teddys don't have an fdr engine description (which is why the dump code
* is so broken). */
return !getFdrDescription(engine);
}
void fdrPrintStats(const FDR *fdr, FILE *f) {
const bool isTeddy = fdrIsTeddy(fdr);
if (isTeddy) {
fprintf(f, "TEDDY: %u\n", fdr->engineID);
} else {
fprintf(f, "FDR: %u\n", fdr->engineID);
}
if (isTeddy) {
unique_ptr<TeddyEngineDescription> des =
getTeddyDescription(fdr->engineID);
if (des) {
fprintf(f, " masks %u\n", des->numMasks);
fprintf(f, " buckets %u\n", des->getNumBuckets());
fprintf(f, " packed %s\n", des->packed ? "true" : "false");
} else {
fprintf(f, " <unknown engine>\n");
}
} else {
unique_ptr<FDREngineDescription> des =
getFdrDescription(fdr->engineID);
if (des) {
fprintf(f, " stride %u\n", des->stride);
fprintf(f, " buckets %u\n", des->getNumBuckets());
fprintf(f, " width %u\n", des->schemeWidth);
} else {
fprintf(f, " <unknown engine>\n");
}
}
fprintf(f, " strings ???\n");
fprintf(f, " size %zu bytes\n", fdrSize(fdr));
fprintf(f, " max length %u\n", fdr->maxStringLen);
fprintf(f, " floodoff %u (%x)\n", fdr->floodOffset, fdr->floodOffset);
}
} // namespace ue2