crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianInstructionLib/Arm/Instructions/Thumb/DataProcessing/Thumb_Add_SPOrPC.cs
changeset 0 818e61de6cd1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianInstructionLib/Arm/Instructions/Thumb/DataProcessing/Thumb_Add_SPOrPC.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,104 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+* 
+* Description:
+*
+*/
+using System;
+using System.Collections.Generic;
+using System.Text;
+using SymbianUtils.BasicTypes;
+using SymbianStructuresLib.Arm.Registers;
+using SymbianStructuresLib.Arm.Instructions;
+using SymbianInstructionLib.Arm.Instructions.Common;
+
+namespace SymbianInstructionLib.Arm.Instructions.Thumb.DataProcessing
+{
+    [ArmRef( "A7.1.7 ADD (5)", "ADD <Rd>, PC, #<immed_8> * 4" )]
+    [ArmRef( "A7.1.8 ADD (6)", "ADD <Rd>, SP, #<immed_8> * 4" )]
+    public class Thumb_Add_SPOrPC : Thumb_AddOrSubtract
+    {
+        #region Constructors
+        public Thumb_Add_SPOrPC()
+        {
+            //                     Type    Rd      immed_8
+            base.SetMask( "1010" + "#" + "###" + "########" );
+        }
+        #endregion
+
+        #region From ArmBaseInstruction
+        protected override bool DoQueryInvolvementAsSource( TArmRegisterType aRegister )
+        {
+            // SP or PC acts as source
+            TArmRegisterType reg = this.RelativeRegister;
+            return ( aRegister == reg );
+        }
+        #endregion
+
+        #region From Thumb_AddOrSubtract
+        public override TArmRegisterType Rd
+        {
+            get
+            {
+                TArmRegisterType ret = (TArmRegisterType) KMaskRd.Apply( base.AIRawValue );
+                return ret;
+            }
+        }
+
+        public TArmRegisterType RelativeRegister
+        {
+            get
+            {
+                SymBit bit11 = base.AIRawValue[ 11 ];
+                TArmRegisterType ret = TArmRegisterType.EArmReg_PC;
+                if ( bit11 == SymBit.ESet )
+                {
+                    ret = TArmRegisterType.EArmReg_SP;
+                }
+                return ret;
+            }
+        }
+
+        public override TArmDataProcessingType OperationType
+        {
+            get { return TArmDataProcessingType.ADD; }
+        }
+
+        public override uint Immediate
+        {
+            get
+            {
+                uint rawValue = ( base.AIRawValue & 0xFF );
+                uint ret = rawValue * 4;
+                return ret;
+            }
+        }
+
+        public override bool SuppliesImmediate
+        {
+            get { return true; }
+        }
+        #endregion
+
+        #region Properties
+        #endregion
+
+        #region Internal methods
+        #endregion
+
+        #region Data members
+        private static readonly SymMask KMaskRd = new SymMask( 0x700, SymMask.TShiftDirection.ERight, 8 );
+        #endregion
+    }
+}
+