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Diffstat (limited to 'src/base/loader/symtab.cc')
-rw-r--r-- | src/base/loader/symtab.cc | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/base/loader/symtab.cc b/src/base/loader/symtab.cc new file mode 100644 index 000000000..25f54f9bf --- /dev/null +++ b/src/base/loader/symtab.cc @@ -0,0 +1,137 @@ +/* + * 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. + */ + +#include <iostream> +#include <fstream> +#include <string> +#include <vector> + +#include "base/loader/symtab.hh" +#include "base/misc.hh" +#include "base/str.hh" +#include "sim/host.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 (!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) + fatal("file error: Can't open symbol table file %s\n", filename); + + 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; +} + +void +SymbolTable::serialize(const string &base, ostream &os) +{ + paramOut(os, base + ".size", addrTable.size()); + + int i = 0; + ATable::const_iterator p, end = addrTable.end(); + for (p = addrTable.begin(); p != end; ++p) { + paramOut(os, csprintf("%s.addr_%d", base, i), p->first); + paramOut(os, csprintf("%s.symbol_%d", base, i), p->second); + ++i; + } +} + +void +SymbolTable::unserialize(const string &base, Checkpoint *cp, + const string §ion) +{ + clear(); + int size; + paramIn(cp, section, base + ".size", size); + for (int i = 0; i < size; ++i) { + Addr addr; + std::string symbol; + + paramIn(cp, section, csprintf("%s.addr_%d", base, i), addr); + paramIn(cp, section, csprintf("%s.symbol_%d", base, i), symbol); + insert(addr, symbol); + } +} |