#include "ClangMapFileParser.h"
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#include "ClangSectionParser.h"
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#include "ClangSymbolParser.h"
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#include <sstream>
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#include <algorithm>
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#include <cstdio>
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#include "../ParseBuffer.h"
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namespace mapfileparser
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{
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static std::string ReadUntilLine(std::istream& is, const char* delimiterLine)
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{
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std::string line;
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std::getline(is, line);
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while (!is.eof() && line != delimiterLine)
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std::getline(is, line);
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return line;
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}
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static void ReadObjectFiles(std::istream& is, std::vector<std::string>& objectFiles)
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{
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std::string line;
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const char* symbolsHeader = "# Sections:";
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std::getline(is, line);
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while (!is.eof() && line != symbolsHeader)
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{
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int32_t objectFileIndex = 0;
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size_t lineLength = line.length();
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ParseBuffer name(lineLength);
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sscanf(line.c_str(), "[%d] %s", &objectFileIndex, name.buffer);
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objectFiles.push_back(std::string(name.buffer));
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std::getline(is, line);
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}
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}
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static void ReadSections(std::istream& is, std::vector<Section>& sections)
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{
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std::string line;
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const char* symbolsHeader = "# Symbols:";
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std::getline(is, line);
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while (!is.eof() && line != symbolsHeader)
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{
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sections.push_back(ClangSectionParser::Parse(line));
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std::getline(is, line);
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}
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}
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static void ReadSymbols(std::istream& is, std::vector<Symbol>& symbols, const std::vector<std::string>& objectFiles)
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{
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std::string line;
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while (!is.eof())
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{
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std::getline(is, line);
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if (line.length() == 0)
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continue;
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if (line == "# Dead Stripped Symbols:")
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break;
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// Each managed method has _m in its name, so only record those.
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if (line.find("_m") == std::string::npos)
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continue;
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ClangSymbol clangSymbol = ClangSymbolParser::Parse(line);
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clangSymbol.symbol.segmentType = kSegmentTypeCode;
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clangSymbol.symbol.objectFile = objectFiles[clangSymbol.objectFileIndex];
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symbols.push_back(clangSymbol.symbol);
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}
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}
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MapFile ClangMapFileParser::Parse(std::istream& is)
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{
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MapFile mapFile;
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std::string line;
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ReadUntilLine(is, "# Object files:");
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std::vector<std::string> objectFiles;
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ReadObjectFiles(is, objectFiles);
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// Read sections headers line
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std::getline(is, line);
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ReadSections(is, mapFile.sections);
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// Read symbols headers line
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std::getline(is, line);
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ReadSymbols(is, mapFile.symbols, objectFiles);
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return mapFile;
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}
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}
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