102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
/*******************************************************************************
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* Copyright (C) 2017 - 2023, MINRES Technologies GmbH
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* Contributors:
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* eyck@minres.com - initial API and implementation
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******************************************************************************/
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#ifndef _ISS_PLUGIN_COV_H_
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#define _ISS_PLUGIN_COV_H_
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#include <iss/vm_plugin.h>
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#include "iss/instrumentation_if.h"
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#include <string>
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#include <fstream>
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namespace iss {
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namespace plugin {
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class lz4compress_steambuf;
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class pctrace : public iss::vm_plugin {
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struct instr_delay {
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std::string instr_name;
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size_t size;
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size_t not_taken_delay;
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size_t taken_delay;
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};
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BEGIN_BF_DECL(instr_desc, uint32_t)
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BF_FIELD(taken, 24, 8)
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BF_FIELD(not_taken, 16, 8)
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BF_FIELD(is_branch, 8, 8)
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BF_FIELD(size, 0, 8)
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instr_desc(uint32_t size, uint32_t taken, uint32_t not_taken, bool branch): instr_desc() {
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this->size=size;
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this->taken=taken;
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this->not_taken=not_taken;
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this->is_branch=branch;
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}
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END_BF_DECL();
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public:
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pctrace(const pctrace &) = delete;
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pctrace(const pctrace &&) = delete;
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pctrace(std::string const &);
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virtual ~pctrace();
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pctrace &operator=(const pctrace &) = delete;
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pctrace &operator=(const pctrace &&) = delete;
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bool registration(const char *const version, vm_if &arch) override;
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sync_type get_sync() override { return POST_SYNC; };
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void callback(instr_info_t) override;
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private:
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iss::instrumentation_if *instr_if {nullptr};
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std::ofstream output;
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#ifdef WITH_LZ4
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std::unique_ptr<lz4compress_steambuf> strbuf;
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std::ostream ostr;
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#endif
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std::string filename;
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std::vector<instr_desc> delays;
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bool jumped{false}, first{true};
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};
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}
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}
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#endif /* _ISS_PLUGIN_COV_H_ */
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