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using System;
using System.Collections;
namespace Mono.Debugger
{
public interface ISymbolLookup
{
Method Lookup (TargetAddress address);
}
public interface ISymbolContainer
{
// <summary>
// StartAddress and EndAddress are only valid if this is true.
// </summary>
bool IsContinuous {
get;
}
TargetAddress StartAddress {
get;
}
TargetAddress EndAddress {
get;
}
}
public interface ISymbolRange : IComparable
{
TargetAddress StartAddress {
get;
}
TargetAddress EndAddress {
get;
}
// <summary>
// If the address you're looking for is within the
// [StartAddress,EndAddress] interface, use this property
// to get an ISymbolLookup instance which you can use to
// search the symbol. This'll automatically load the
// symbol table from disk if necessary.
// </summary>
ISymbolLookup SymbolLookup {
get;
}
}
public delegate void SymbolTableChangedHandler ();
// <summary>
// This interface is used to find a method by an address.
// </summary>
public interface ISymbolTable : ISymbolLookup, ISymbolContainer
{
// <summary>
// Whether this symbol table has an address range table.
// </summary>
bool HasRanges {
get;
}
// <summary>
// If HasRanges is true, this is a sorted (by start address)
// list of address ranges. To lookup a symbol by its address,
// first search in this table to find the correct ISymbolRange,
// then use its SymbolLookup property to get an ISymbolLookup
// on which you can do a Lookup().
// </summary>
// <remarks>
// When searching in more than one ISymbolTable, consider using
// an ISymbolTableCollection instead since this will merge the
// address ranges from all its symbol tables into one big table
// and thus a lookup fill me faster.
// </remarks>
ISymbolRange[] SymbolRanges {
get;
}
// <summary>
// If true, you may use the `Methods' property to get a list of all the
// methods in this symbol table.
// </summary>
bool HasMethods {
get;
}
// <summary>
// Get a list of all methods in this symbol table. May only be used if
// `HasMethods' is true.
// </summary>
Method[] Methods {
get;
}
bool IsLoaded {
get;
}
void UpdateSymbolTable ();
event SymbolTableChangedHandler SymbolTableChanged;
}
[Serializable]
public class Symbol : IComparable
{
public readonly string Name;
public readonly TargetAddress Address;
public readonly int Offset;
public Symbol (string name, TargetAddress address, int offset)
{
this.Name = name;
this.Address = address;
this.Offset = offset;
}
public int CompareTo (object obj)
{
Symbol symbol = (Symbol) obj;
if (symbol.Address < Address)
return 1;
else if (symbol.Address > Address)
return -1;
else
return 0;
}
public override string ToString ()
{
if (Offset > 0)
return String.Format ("{0}+0x{1:x}", Name, Offset);
else if (Offset < 0)
return String.Format ("{0}-0x{1:x}", Name, Offset);
else
return Name;
}
}
}
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