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/*
* SymbolTable.cpp:
* written by palmers / teso
*/
#include <SymbolTable.hpp>
/*
* helper classes
*/
class DumpTable
{
private:
string file;
public:
DumpTable (string a)
{
file = string (a);
}
~DumpTable ()
{
}
void operator() (zzSym *foo)
{
ofstream dump (file.c_str ());
if (!dump.is_open ())
{
cerr << "Pfff..." << endl;
abort ();
}
dump << foo->Name << "\tE\t" << foo->Address << endl;
dump.close ();
}
};
class FindFind
{
private:
string search;
public:
FindFind (string a)
{
search = string (a);
}
bool operator() (struct zzSym *foo)
{
if (search.compare (foo->Name, search.length ()))
{
return true;
}
return false;
}
};
/*
* member functions
*/
bool SymbolTable::loadFiles (string a, string b)
{
/* check for System.map */
mapp = SystemMap (a);
/* load a dumped cache */
rest = SystemMap (b);
return true;
}
bool SymbolTable::createObjects (rwKernel *a)
{
if (a == NULL)
patt = new DevMemPatt ();
else
patt = new DevMemPatt (a);
fing = new SymbolFingp ();
return true;
}
SymbolTable::SymbolTable ()
{
loadFiles (DEFAULTSYSTEMMAP, DEFAULTDUMP);
createObjects (NULL);
/* XXX, init set of exported symbols */
if (false)
{
exported = SystemMap ();
}
}
SymbolTable::SymbolTable (string res, string sys)
{
loadFiles (sys, res);
createObjects (NULL);
/* XXX, init set of exported symbols */
if (false)
{
exported = SystemMap ();
}
}
SymbolTable::SymbolTable (rwKernel *f)
{
loadFiles (DEFAULTSYSTEMMAP, DEFAULTDUMP);
createObjects (f);
}
SymbolTable::~SymbolTable ()
{
delete fing;
delete patt;
clearCache ();
}
void SymbolTable::setSaveFile (string file)
{
dump_file = string (file);
}
unsigned int SymbolTable::getSymbol (string name)
{
zzSymList::iterator x;
zzSym *y = NULL;
x = find_if (symList.begin (), symList.end (), FindFind (name));
if (x == symList.end ())
return 0;
y = *x;
return y->Address;
}
bool SymbolTable::findSymbol (string name)
{
unsigned int x = 0;
/*
* first check if the symbol can be found in restore date
* second check if the symbol can be found using SymbolFingp
* third is list of exported symbols
* fourth System.map (if supplied)
*/
if (rest.contains (name))
{
addSymbolToCache (name, rest[name]);
return true;
}
if ((x = patt->find_patt (fing->getFinger (name))) != 0)
{
addSymbolToCache (name, x);
return true;
}
if (exported.contains (name))
{
addSymbolToCache (name, exported[name]);
return true;
}
if (mapp.contains (name))
{
addSymbolToCache (name, mapp[name]);
return true;
}
return false;
}
void SymbolTable::addSymbolToCache (string name, unsigned int add)
{
zzSym *x = new zzSym;
x->Name = string (name);
x->Address = add;
symList.push_back (x);
}
void SymbolTable::clearCache ()
{
symList.clear ();
}
bool SymbolTable::saveCache ()
{
for_each (symList.begin (), symList.end (), DumpTable (dump_file));
return true;
}
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