public unsafe string GetSymbolName(int symbolIndex)
{
// check symbol range
if (symbolIndex < 0)
{
return(null);
}
if (symbolIndex >= SymbolTable.nsyms)
{
// handle special symbols
SpecialSymbol specialSymbol = (SpecialSymbol)(symbolIndex - (int)SymbolTable.nsyms);
switch (specialSymbol)
{
case SpecialSymbol.SegmentStart:
return("_start");
case SpecialSymbol.SegmentEnd:
return(null);
default:
// out of range?
return(null);
}
}
IntPtr baseaddr = Slide + (int)(LinkEdit.vmaddr - LinkEdit.fileoff);
IntPtr straddr = baseaddr + (int)SymbolTable.stroff;
IntPtr symaddr = baseaddr + (int)SymbolTable.symoff;
nlist n = (nlist)Marshal.PtrToStructure(symaddr + symbolIndex * sizeof(nlist), typeof(nlist));
var symbolName = Marshal.PtrToStringAnsi(straddr + n.n_strx);
return(symbolName);
}
/**
* Changes an int into a Greek letter combination.
* @param index the original number
* @return the letter combination
*/
public static String GetString(int index, bool lowercase) {
if (index < 1) return "";
index--;
int bytes = 1;
int start = 0;
int symbols = 24;
while (index >= symbols + start) {
bytes++;
start += symbols;
symbols *= 24;
}
int c = index - start;
char[] value = new char[bytes];
while (bytes > 0) {
bytes--;
value[bytes] = (char)(c % 24);
if (value[bytes] > 16) value[bytes]++;
value[bytes] += (char)(lowercase ? 945 : 913);
value[bytes] = SpecialSymbol.GetCorrespondingSymbol(value[bytes]);
c /= 24;
}
return new String(value);
}
/// <summary>
/// Changes an int into a Greek letter combination.
/// </summary>
/// <param name="index">the original number</param>
/// <param name="lowercase"></param>
/// <returns>the letter combination</returns>
public static string GetString(int index, bool lowercase)
{
if (index < 1)
{
return("");
}
index--;
var bytes = 1;
var start = 0;
var symbols = 24;
while (index >= symbols + start)
{
bytes++;
start += symbols;
symbols *= 24;
}
var c = index - start;
var value = new char[bytes];
while (bytes > 0)
{
bytes--;
value[bytes] = (char)(c % 24);
if (value[bytes] > 16)
{
value[bytes]++;
}
value[bytes] += (char)(lowercase ? 945 : 913);
value[bytes] = SpecialSymbol.GetCorrespondingSymbol(value[bytes]);
c /= 24;
}
return(new string(value));
}
