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symbolize.cc
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symbolize.cc
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/*
* symbol resolver (for use with uniprof)
*
* Authors: Florian Schmidt <florian.schmidt@neclab.eu>
*
* Copyright (c) 2017, NEC Europe Ltd., NEC Corporation All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the copyright holder 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 HOLDER 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 <stdio.h>
#include <inttypes.h>
#include <fstream>
#include <iostream>
#include <map>
#include <sstream>
int main(int argc, char **argv) {
std::ifstream symbolfile;
std::ifstream tracefile;
std::string line;
std::stringstream convertor;
uint64_t addr;
std::string hexaddr;
char type;
std::string fname;
std::map<uint64_t, std::string> symbollist;
std::map<uint64_t, std::string>::iterator iter;
if (argc != 3) {
std::cout << "Usage: " << argv[0] << " <symbol_table> <trace_file>" << std::endl;
return 1;
}
symbolfile.open(argv[1], std::ifstream::in);
if (symbolfile.fail()) {
std::cout << "Failed opening symbol table file \"" << argv[1] << "\".";
return 2;
}
tracefile.open(argv[2], std::ifstream::in);
if (tracefile.fail()) {
std::cout << "Failed opening trace file \"" << argv[2] << "\".";
return 2;
}
while (std::getline(symbolfile, line)) {
convertor.str(line);
convertor >> std::hex >> addr >> type >> fname;
convertor.clear();
symbollist[addr] = fname;
}
symbolfile.close();
while (std::getline(tracefile, line)) {
if (line.empty())
std::cout << std::endl;
else if (line == "1")
std::cout << "1" << std::endl;
// comments; by convention, the header lines start with a comment sign
else if (line[0] == '#')
std::cout << line << std::endl;
else {
convertor.str(line);
convertor >> std::hex >> addr;
convertor.clear();
iter = symbollist.upper_bound(addr);
if (iter != symbollist.begin())
iter--;
if (addr == iter->first)
std::cout << iter->second.c_str() << std::endl;
else
std::cout << iter->second.c_str() << "+0x" << std::hex << addr - iter->first << std::endl;
}
}
tracefile.close();
return 0;
}