public List <ParsedELFSymbol> LoadAllSymbols()
{
List <ParsedELFSymbol> symbols = new List <ParsedELFSymbol>();
byte[] symbolTable = LoadSection(FindSectionByName(".symtab"));
byte[] stringTable = LoadSection(FindSectionByName(".strtab"));
if (symbolTable == null || stringTable == null)
{
return(symbols);
}
bool isARM = ELFHeader.e_machine == 40;
int structSize = Marshal.SizeOf(typeof(elf32_sym));
int symbolCount = symbolTable.Length / structSize;
for (int i = 0; i < symbolCount; i++)
{
elf32_sym rawSym = (elf32_sym)ConvertByteArrayToStruct(symbolTable, typeof(elf32_sym), i * structSize);
if (rawSym.st_value == 0)
{
continue;
}
string symbolName = null;
if (rawSym.st_name != 0 && rawSym.st_name < stringTable.Length)
{
int eidx = 0;
for (eidx = (int)rawSym.st_name; eidx < stringTable.Length; eidx++)
{
if (stringTable[eidx] == 0)
{
break;
}
}
symbolName = Encoding.ASCII.GetString(stringTable, (int)rawSym.st_name, eidx - (int)rawSym.st_name);
}
if (string.IsNullOrEmpty(symbolName) || symbolName[0] == '$')
{
continue;
}
if (isARM)
{
rawSym.st_value &= ~1U; //On ARM the LSB of the address is used to denote arm/thumb mode
}
symbols.Add(new ParsedELFSymbol {
Address = rawSym.st_value, Name = symbolName, Size = rawSym.st_size
});
}
return(symbols);
}
public elf32_sym[] LoadSymbolTable(int offset, int symbolCount)
{
elf32_sym[] data = new elf32_sym[symbolCount];
int symSize = Marshal.SizeOf(typeof(elf32_sym));
for (int i = 0; i < symbolCount; i++)
{
data[i] = ReadStruct <elf32_sym>(offset + i * symSize);
}
return(data);
}
