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/*
* Copyright (c) 2002-2005 The Regents of The University of Michigan
* All rights reserved.
*
* 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 the copyright holders 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.
*
* Authors: Nathan Binkert
*/
#include "base/loader/symtab.hh"
#include <fstream>
#include <iostream>
#include <string>
#include <vector>
#include "base/misc.hh"
#include "base/str.hh"
#include "base/types.hh"
#include "sim/serialize.hh"
using namespace std;
SymbolTable *debugSymbolTable = NULL;
void
SymbolTable::clear()
{
addrTable.clear();
symbolTable.clear();
}
bool
SymbolTable::insert(Addr address, string symbol)
{
if (symbol.empty())
return false;
if (!symbolTable.insert(make_pair(symbol, address)).second)
return false;
// There can be multiple symbols for the same address, so always
// update the addrTable multimap when we see a new symbol name.
addrTable.insert(make_pair(address, symbol));
return true;
}
bool
SymbolTable::load(const string &filename)
{
string buffer;
ifstream file(filename.c_str());
if (!file)
fatal("file error: Can't open symbol table file %s\n", filename);
while (!file.eof()) {
getline(file, buffer);
if (buffer.empty())
continue;
string::size_type idx = buffer.find(',');
if (idx == string::npos)
return false;
string address = buffer.substr(0, idx);
eat_white(address);
if (address.empty())
return false;
string symbol = buffer.substr(idx + 1);
eat_white(symbol);
if (symbol.empty())
return false;
Addr addr;
if (!to_number(address, addr))
return false;
if (!insert(addr, symbol))
return false;
}
file.close();
return true;
}
void
SymbolTable::serialize(const string &base, CheckpointOut &cp) const
{
paramOut(cp, base + ".size", addrTable.size());
int i = 0;
ATable::const_iterator p, end = addrTable.end();
for (p = addrTable.begin(); p != end; ++p) {
paramOut(cp, csprintf("%s.addr_%d", base, i), p->first);
paramOut(cp, csprintf("%s.symbol_%d", base, i), p->second);
++i;
}
}
void
SymbolTable::unserialize(const string &base, CheckpointIn &cp)
{
clear();
int size;
paramIn(cp, base + ".size", size);
for (int i = 0; i < size; ++i) {
Addr addr;
std::string symbol;
paramIn(cp, csprintf("%s.addr_%d", base, i), addr);
paramIn(cp, csprintf("%s.symbol_%d", base, i), symbol);
insert(addr, symbol);
}
}
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