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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.
*/
#ifndef __SYMTAB_HH__
#define __SYMTAB_HH__
#include <map>
#include "targetarch/isa_traits.hh" // for Addr
class SymbolTable
{
private:
typedef std::map<Addr, std::string> ATable;
typedef std::map<std::string, Addr> STable;
ATable addrTable;
STable symbolTable;
public:
SymbolTable() {}
SymbolTable(const std::string &file) { load(file); }
~SymbolTable() {}
bool insert(Addr address, std::string symbol);
bool load(const std::string &file);
/// Find the nearest symbol equal to or less than the supplied
/// address (e.g., the label for the enclosing function).
/// @param address The address to look up.
/// @param symbol Return reference for symbol string.
/// @param sym_address Return reference for symbol address.
/// @param next_sym_address Address of following symbol (for
/// determining valid range of symbol).
/// @retval True if a symbol was found.
bool findNearestSymbol(Addr address, std::string &symbol,
Addr &sym_address, Addr &next_sym_address) const;
/// Overload for findNearestSymbol() for callers who don't care
/// about next_sym_address.
bool findNearestSymbol(Addr address, std::string &symbol,
Addr &sym_address) const
{
Addr dummy;
return findNearestSymbol(address, symbol, sym_address, dummy);
}
bool findSymbol(Addr address, std::string &symbol) const;
bool findAddress(const std::string &symbol, Addr &address) const;
};
/// Global unified debugging symbol table (for target). Conceptually
/// there should be one of these per System object for full system,
/// and per Process object for non-full-system, but so far one big
/// global one has worked well enough.
extern SymbolTable *debugSymbolTable;
#endif // __SYMTAB_HH__
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