mirror of
https://github.com/VectorCamp/vectorscan.git
synced 2025-07-12 05:24:43 +03:00
75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2015-2017, 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.
|
|
*/
|
|
|
|
#ifndef FDR_ENGINE_DESCRIPTION_H
|
|
#define FDR_ENGINE_DESCRIPTION_H
|
|
|
|
#include "engine_description.h"
|
|
#include "util/ue2_containers.h"
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
namespace ue2 {
|
|
|
|
struct FDREngineDef {
|
|
u32 id;
|
|
u32 schemeWidth;
|
|
u32 numBuckets;
|
|
u64a cpu_features;
|
|
};
|
|
|
|
class FDREngineDescription : public EngineDescription {
|
|
public:
|
|
u32 schemeWidth;
|
|
u32 stride;
|
|
u32 bits;
|
|
|
|
u32 getSchemeWidth() const { return schemeWidth; }
|
|
u32 getBucketWidth(BucketIndex b) const;
|
|
SchemeBitIndex getSchemeBit(BucketIndex b, PositionInBucket p) const;
|
|
u32 getNumTableEntries() const { return 1 << bits; }
|
|
u32 getTabSizeBytes() const {
|
|
return schemeWidth / 8 * getNumTableEntries();
|
|
}
|
|
|
|
explicit FDREngineDescription(const FDREngineDef &def);
|
|
|
|
u32 getDefaultFloodSuffixLength() const override;
|
|
};
|
|
|
|
std::unique_ptr<FDREngineDescription>
|
|
chooseEngine(const target_t &target, const std::vector<hwlmLiteral> &vl,
|
|
bool make_small);
|
|
std::unique_ptr<FDREngineDescription> getFdrDescription(u32 engineID);
|
|
void getFdrDescriptions(std::vector<FDREngineDescription> *out);
|
|
} // namespace ue2
|
|
|
|
#endif
|