mcs/class/Mono.PEToolkit/RVA.cs

   1
   2 //
   3 // Permission is hereby granted, free of charge, to any person obtaining
   4 // a copy of this software and associated documentation files (the
   5 // "Software"), to deal in the Software without restriction, including
   6 // without limitation the rights to use, copy, modify, merge, publish,
   7 // distribute, sublicense, and/or sell copies of the Software, and to
   8 // permit persons to whom the Software is furnished to do so, subject to
   9 // the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be
  12 // included in all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  18 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  19 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  20 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21 //
  22 /*
  23  * Copyright (c) 2002 Sergey Chaban <serge@wildwestsoftware.com>
  24  */
  25
  26 using System;
  27 using System.IO;
  28
  29 namespace Mono.PEToolkit {
  30
  31         /// <summary>
  32         /// Relative Virtual Address.
  33         /// </summary>
  34         public struct RVA {
  35
  36                 public static readonly RVA Null;
  37
  38                 public uint value;
  39
  40                 static RVA()
  41                 {
  42                         Null = new RVA(0);
  43                 }
  44
  45
  46                 public RVA(uint val)
  47                 {
  48                         value = val;
  49                 }
  50
  51
  52                 public uint Value {
  53                         get {
  54                                 return value;
  55                         }
  56                         set {
  57                                 this.value = value;
  58                         }
  59                 }
  60
  61                 public void Write (BinaryWriter writer)
  62                 {
  63                         writer.Write (value);
  64                 }
  65
  66                 public static implicit operator RVA (uint val)
  67                 {
  68                         return new RVA(val);
  69                 }
  70
  71                 public static implicit operator uint (RVA rva)
  72                 {
  73                         return rva.value;
  74                 }
  75
  76                 public override int GetHashCode()
  77                 {
  78                         return (int) value;
  79                 }
  80
  81                 public override bool Equals(object o)
  82                 {
  83                         bool res = o is RVA;
  84                         if (res) res = (this.value == ((RVA)o).value);
  85                         return res;
  86                 }
  87
  88                 public static bool operator == (RVA rva1, RVA rva2)
  89                 {
  90                         return rva1.Equals(rva2);
  91                 }
  92
  93                 public static bool operator != (RVA rva1, RVA rva2)
  94                 {
  95                         return !rva1.Equals(rva2);
  96                 }
  97
  98                 public static bool operator < (RVA rva1, RVA rva2)
  99                 {
 100                         return (rva1.value < rva2.value);
 101                 }
 102
 103                 public static bool operator > (RVA rva1, RVA rva2) {
 104                         return (rva1.value > rva2.value);
 105                 }
 106
 107                 public static bool operator <= (RVA rva1, RVA rva2)
 108                 {
 109                         return (rva1.value <= rva2.value);
 110                 }
 111
 112                 public static bool operator >= (RVA rva1, RVA rva2)
 113                 {
 114                         return (rva1.value >= rva2.value);
 115                 }
 116
 117                 public static RVA operator + (RVA rva, uint x)
 118                 {
 119                         return new RVA (rva.value + x);
 120                 }
 121
 122                 public static RVA operator - (RVA rva, uint x)
 123                 {
 124                         return new RVA (rva.value - x);
 125                 }
 126
 127
 128                 public override string ToString()
 129                 {
 130                         if (this == Null) return "NULL";
 131                         return ("0x" + value.ToString("X"));
 132                 }
 133
 134                 unsafe public static int Size {
 135                         get {
 136                                 return sizeof (uint);
 137                         }
 138                 }
 139
 140         }
 141
 142 }
 143