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);
}
private unsafe void AddImageSymbols(ref ImageSymbolInfo image)
{
IntPtr baseaddr = image.Slide + (int)(image.LinkEdit.vmaddr - image.LinkEdit.fileoff);
IntPtr symaddr = baseaddr + (int)image.SymbolTable.symoff;
for (int symbolIndex = 0; symbolIndex < image.SymbolTable.nsyms; symbolIndex++)
{
nlist n = (nlist)Marshal.PtrToStructure(symaddr + symbolIndex * sizeof(nlist), typeof(nlist));
// see if this is a valid named symbol using magic flags
if ((n.n_value != 0) && (n.n_type & 0xE0) == 0 && (n.n_type & 0xE) == 0xE)
{
// get address of symbol
IntPtr address = image.Slide + (int)n.n_value;
AddSymbol((Address)address, image.Index, (uint)symbolIndex);
}
}
}
public void init()
{
nlist <OrderItem> list1 = new nlist <OrderItem> {
item1, item2, item3
};
Order order1 = new Order(1, "Li", list1);
nlist <OrderItem> list2 = new nlist <OrderItem> {
item2, item3, item1
};
Order order2 = new Order(2, "Li", list2);
nlist <OrderItem> list3 = new nlist <OrderItem> {
};
Order order3 = new Order(3, "Zhao", list3);
orderService = new OrderService();
orderService.addOrder(order1);
orderService.addOrder(order3);
orderService.addOrder(order2);
}
