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/*
* Copyright (c) 2002-2004 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.
*/
#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include "sim/host.hh"
#include "base/misc.hh"
#include "base/str.hh"
#include "base/loader/symtab.hh"
using namespace std;
bool
SymbolTable::insert(Addr address, string symbol)
{
if (!addrTable.insert(make_pair(address, symbol)).second)
return false;
if (!symbolTable.insert(make_pair(symbol, address)).second)
return false;
return true;
}
bool
SymbolTable::load(const string &filename)
{
string buffer;
ifstream file(filename.c_str());
if (!file) {
cerr << "Can't open symbol table file " << filename << endl;
fatal("file error");
}
while (!file.eof()) {
getline(file, buffer);
if (buffer.empty())
continue;
int 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;
}
bool
SymbolTable::findNearestSymbol(Addr address, string &symbol) const
{
ATable::const_iterator i = addrTable.lower_bound(address);
// check for PALCode
if (address & 0x1)
return false;
// first check for the end
if (i == addrTable.end())
i--;
else if (i == addrTable.begin() && (*i).first != address)
return false;
else if ((*i).first != address)
i--;
symbol = (*i).second;
if (address != (*i).first)
symbol += csprintf("+%d", address - (*i).first);
return true;
}
bool
SymbolTable::findSymbol(Addr address, string &symbol) const
{
ATable::const_iterator i = addrTable.find(address);
if (i == addrTable.end())
return false;
symbol = (*i).second;
return true;
}
bool
SymbolTable::findAddress(const string &symbol, Addr &address) const
{
STable::const_iterator i = symbolTable.find(symbol);
if (i == symbolTable.end())
return false;
address = (*i).second;
return true;
}
string
SymbolTable::find(Addr addr) const
{
string s;
findSymbol(addr, s);
return s;
}
Addr
SymbolTable::find(const string &symbol) const
{
Addr a = 0;
findAddress(symbol, a);
return a;
}
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