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94 lines
2.5 KiB
94 lines
2.5 KiB
/*
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* Copyright 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __VTS_SYSFUZZER_LIBMEASUREMENT_GCDA_PARSER_H__
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#define __VTS_SYSFUZZER_LIBMEASUREMENT_GCDA_PARSER_H__
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#include <iostream>
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#include <string>
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#include <vector>
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#include "GcdaFile.h"
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using namespace std;
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namespace android {
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namespace vts {
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// Parses a GCDA file and extracts raw coverage info.
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class GcdaRawCoverageParser {
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public:
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explicit GcdaRawCoverageParser(const char* filename)
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: filename_(filename), gcda_file_(new GcdaFile(filename_)) {}
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virtual ~GcdaRawCoverageParser() {}
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// Parses a given file and returns a vector which contains IDs of raw
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// coverage measurement units (e.g., basic blocks).
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vector<unsigned> Parse();
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protected:
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// Parses the GCOV magic number.
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bool ParseMagic();
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// Parses the GCOV file body.
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void ParseBody();
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// Processes tag for functions.
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void TagFunction(unsigned /*tag*/, unsigned length) {
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/* unsigned long pos = */ gcda_file_->Position();
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if (length) {
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gcda_file_->ReadUnsigned(); // ident %u
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unsigned lineno_checksum = gcda_file_->ReadUnsigned();
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result.push_back(lineno_checksum);
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gcda_file_->ReadUnsigned(); // cfg_checksum 0x%08x
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}
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}
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// Processes tag for blocks.
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void TagBlocks(unsigned /*tag*/, unsigned length) {
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unsigned n_blocks = GCOV_TAG_BLOCKS_NUM(length);
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cout << __func__ << ": " << n_blocks << " blocks" << endl;
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}
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// Processes tag for arcs.
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void TagArcs(unsigned /*tag*/, unsigned length) {
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unsigned n_arcs = GCOV_TAG_ARCS_NUM(length);
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cout << __func__ << ": " << n_arcs << " arcs" << endl;
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}
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// Processes tag for lines.
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void TagLines(unsigned /*tag*/, unsigned /*length*/) {
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cout << __func__ << endl;
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}
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private:
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// the name of a target file.
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const string filename_;
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// global GcovFile data structure.
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GcdaFile* gcda_file_;
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// vector containing the parsed, raw coverage data.
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vector<unsigned> result;
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};
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} // namespace vts
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} // namespace android
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#endif
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