forked from Mirror/Ryujinx
Improve IRDumper (#1135)
* Improve IRDumper
* Make Symbols.Add(ulong, ulong, ulong, string) thread safe
* Use a StringBuilder for MemoryOperand
* Add #if M_DEBUG guards
* Fix JMP_TABLE typo
* Fix using in Symbols
* Use Conditional("M_DEBUG") instead
Address gdkchan's feedback
* Use a struct instead of 4-tuple
Address gdkchan's feedback
* Place symbols in comments instead
Address gdkchan's feedback
* Use StringBuilder throughout
* Handle offsetted symbols
* Fix naming convention of Builder
* Avoid ArgumentException
* Remove unnecessary using
* Use switch expression instead
* Turn into a class
* Clean up
* Remove unnecessary using
This commit is contained in:
Ficture Seven
GitHub
parent
53369e79bd
commit
180ad8605d
4 changed files with 333 additions and 128 deletions
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@ -2,168 +2,282 @@ using ARMeilleure.IntermediateRepresentation;
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using ARMeilleure.Translation;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace ARMeilleure.Diagnostics
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{
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static class IRDumper
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class IRDumper
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{
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private const string Indentation = " ";
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public static string GetDump(ControlFlowGraph cfg)
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private int _indentLevel;
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private readonly StringBuilder _builder;
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private readonly Dictionary<Operand, string> _localNames;
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private readonly Dictionary<ulong, string> _symbolNames;
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private IRDumper(int indent)
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{
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StringBuilder sb = new StringBuilder();
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_indentLevel = indent;
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Dictionary<Operand, string> localNames = new Dictionary<Operand, string>();
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_builder = new StringBuilder();
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string indentation = string.Empty;
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void IncreaseIndentation()
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{
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indentation += Indentation;
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_localNames = new Dictionary<Operand, string>();
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_symbolNames = new Dictionary<ulong, string>();
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}
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void DecreaseIndentation()
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private void Indent()
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{
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indentation = indentation.Substring(0, indentation.Length - Indentation.Length);
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_builder.EnsureCapacity(_builder.Capacity + _indentLevel * Indentation.Length);
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for (int index = 0; index < _indentLevel; index++)
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{
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_builder.Append(Indentation);
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}
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}
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void AppendLine(string text)
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private void IncreaseIndentation()
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{
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sb.AppendLine(indentation + text);
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_indentLevel++;
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}
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IncreaseIndentation();
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for (BasicBlock block = cfg.Blocks.First; block != null; block = block.ListNext)
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private void DecreaseIndentation()
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{
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string blockName = GetBlockName(block);
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_indentLevel--;
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}
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private void DumpBlockName(BasicBlock block)
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{
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_builder.Append("block").Append(block.Index);
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}
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private void DumpBlockHeader(BasicBlock block)
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{
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DumpBlockName(block);
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if (block.Next != null)
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{
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blockName += $" (next {GetBlockName(block.Next)})";
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_builder.Append(" (next ");
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DumpBlockName(block.Next);
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_builder.Append(')');
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}
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if (block.Branch != null)
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{
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blockName += $" (branch {GetBlockName(block.Branch)})";
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_builder.Append(" (branch ");
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DumpBlockName(block.Branch);
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_builder.Append(')');
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}
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blockName += ":";
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AppendLine(blockName);
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IncreaseIndentation();
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for (Node node = block.Operations.First; node != null; node = node.ListNext)
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{
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string[] sources = new string[node.SourcesCount];
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string instName = string.Empty;
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if (node is PhiNode phi)
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{
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for (int index = 0; index < sources.Length; index++)
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{
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string phiBlockName = GetBlockName(phi.GetBlock(index));
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string operName = GetOperandName(phi.GetSource(index), localNames);
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sources[index] = $"({phiBlockName}: {operName})";
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_builder.Append(':');
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}
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instName = "Phi";
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}
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else if (node is Operation operation)
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{
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for (int index = 0; index < sources.Length; index++)
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{
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sources[index] = GetOperandName(operation.GetSource(index), localNames);
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}
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instName = operation.Instruction.ToString();
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}
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string allSources = string.Join(", ", sources);
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string line = instName + " " + allSources;
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if (node.Destination != null)
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{
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line = GetOperandName(node.Destination, localNames) + " = " + line;
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}
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AppendLine(line);
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}
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DecreaseIndentation();
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}
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return sb.ToString();
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}
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private static string GetBlockName(BasicBlock block)
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{
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return $"block{block.Index}";
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}
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private static string GetOperandName(Operand operand, Dictionary<Operand, string> localNames)
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private void DumpOperand(Operand operand)
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{
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if (operand == null)
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{
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return "<NULL>";
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_builder.Append("<NULL>");
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return;
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}
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string name = string.Empty;
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_builder.Append(GetTypeName(operand.Type)).Append(' ');
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if (operand.Kind == OperandKind.LocalVariable)
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switch (operand.Kind)
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{
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if (!localNames.TryGetValue(operand, out string localName))
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case OperandKind.LocalVariable:
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if (!_localNames.TryGetValue(operand, out string localName))
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{
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localName = "%" + localNames.Count;
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localName = $"%{_localNames.Count}";
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localNames.Add(operand, localName);
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_localNames.Add(operand, localName);
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}
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name = localName;
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}
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else if (operand.Kind == OperandKind.Register)
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{
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_builder.Append(localName);
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break;
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case OperandKind.Register:
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Register reg = operand.GetRegister();
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switch (reg.Type)
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{
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case RegisterType.Flag: name = "b" + reg.Index; break;
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case RegisterType.FpFlag: name = "f" + reg.Index; break;
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case RegisterType.Integer: name = "r" + reg.Index; break;
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case RegisterType.Vector: name = "v" + reg.Index; break;
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case RegisterType.Flag: _builder.Append('b'); break;
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case RegisterType.FpFlag: _builder.Append('f'); break;
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case RegisterType.Integer: _builder.Append('r'); break;
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case RegisterType.Vector: _builder.Append('v'); break;
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}
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}
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else if (operand.Kind == OperandKind.Constant)
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_builder.Append(reg.Index);
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break;
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case OperandKind.Constant:
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string symbolName = Symbols.Get(operand.Value);
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if (symbolName != null && !_symbolNames.ContainsKey(operand.Value))
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{
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name = "0x" + operand.Value.ToString("X");
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_symbolNames.Add(operand.Value, symbolName);
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}
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_builder.Append("0x").Append(operand.Value.ToString("X"));
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break;
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case OperandKind.Memory:
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var memOp = (MemoryOperand)operand;
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_builder.Append('[');
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DumpOperand(memOp.BaseAddress);
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if (memOp.Index != null)
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{
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_builder.Append(" + ");
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DumpOperand(memOp.Index);
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switch (memOp.Scale)
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{
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case Multiplier.x2: _builder.Append("*2"); break;
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case Multiplier.x4: _builder.Append("*4"); break;
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case Multiplier.x8: _builder.Append("*8"); break;
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}
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}
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if (memOp.Displacement != 0)
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{
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_builder.Append(" + 0x").Append(memOp.Displacement.ToString("X"));
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}
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_builder.Append(']');
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break;
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default:
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_builder.Append(operand.Type);
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break;
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}
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}
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private void DumpNode(Node node)
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{
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for (int index = 0; index < node.DestinationsCount; index++)
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{
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DumpOperand(node.GetDestination(index));
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if (index == node.DestinationsCount - 1)
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{
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_builder.Append(" = ");
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}
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else
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{
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name = operand.Kind.ToString().ToLower();
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_builder.Append(", ");
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}
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}
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return GetTypeName(operand.Type) + " " + name;
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switch (node)
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{
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case PhiNode phi:
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_builder.Append("Phi ");
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for (int index = 0; index < phi.SourcesCount; index++)
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{
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_builder.Append('(');
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DumpBlockName(phi.GetBlock(index));
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_builder.Append(": ");
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DumpOperand(phi.GetSource(index));
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_builder.Append(')');
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if (index < phi.SourcesCount - 1)
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{
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_builder.Append(", ");
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}
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}
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break;
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case Operation operation:
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_builder.Append(operation.Instruction);
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if (operation.Instruction == Instruction.Extended)
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{
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var intrinOp = (IntrinsicOperation)operation;
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_builder.Append('.').Append(intrinOp.Intrinsic);
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}
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_builder.Append(' ');
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for (int index = 0; index < operation.SourcesCount; index++)
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{
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DumpOperand(operation.GetSource(index));
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if (index < operation.SourcesCount - 1)
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{
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_builder.Append(", ");
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}
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}
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break;
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}
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if (_symbolNames.Count == 1)
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{
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_builder.Append(" ;; ").Append(_symbolNames.First().Value);
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}
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else if (_symbolNames.Count > 1)
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{
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_builder.Append(" ;;");
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foreach ((ulong value, string name) in _symbolNames)
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{
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_builder.Append(" 0x").Append(value.ToString("X")).Append(" = ").Append(name);
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}
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}
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// Reset the set of symbols for the next Node we're going to dump.
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_symbolNames.Clear();
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}
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public static string GetDump(ControlFlowGraph cfg)
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{
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var dumper = new IRDumper(1);
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for (BasicBlock block = cfg.Blocks.First; block != null; block = block.ListNext)
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{
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dumper.Indent();
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dumper.DumpBlockHeader(block);
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dumper._builder.AppendLine();
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dumper.IncreaseIndentation();
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for (Node node = block.Operations.First; node != null; node = node.ListNext)
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{
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dumper.Indent();
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dumper.DumpNode(node);
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dumper._builder.AppendLine();
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}
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dumper.DecreaseIndentation();
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}
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return dumper._builder.ToString();
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}
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private static string GetTypeName(OperandType type)
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{
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switch (type)
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return type switch
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{
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case OperandType.FP32: return "f32";
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case OperandType.FP64: return "f64";
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case OperandType.I32: return "i32";
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case OperandType.I64: return "i64";
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case OperandType.None: return "none";
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case OperandType.V128: return "v128";
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}
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throw new ArgumentException($"Invalid operand type \"{type}\".");
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OperandType.None => "none",
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OperandType.I32 => "i32",
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OperandType.I64 => "i64",
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OperandType.FP32 => "f32",
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OperandType.FP64 => "f64",
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OperandType.V128 => "v128",
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_ => throw new ArgumentException($"Invalid operand type \"{type}\"."),
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};
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}
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}
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}
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84
ARMeilleure/Diagnostics/Symbols.cs
Normal file
84
ARMeilleure/Diagnostics/Symbols.cs
Normal file
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@ -0,0 +1,84 @@
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Diagnostics;
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namespace ARMeilleure.Diagnostics
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{
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static class Symbols
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{
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private struct RangedSymbol
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{
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public readonly ulong Start;
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public readonly ulong End;
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public readonly ulong ElementSize;
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public readonly string Name;
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public RangedSymbol(ulong start, ulong end, ulong elemSize, string name)
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{
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Start = start;
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End = end;
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ElementSize = elemSize;
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Name = name;
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}
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}
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private static readonly ConcurrentDictionary<ulong, string> _symbols;
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private static readonly List<RangedSymbol> _rangedSymbols;
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static Symbols()
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{
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_symbols = new ConcurrentDictionary<ulong, string>();
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_rangedSymbols = new List<RangedSymbol>();
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}
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public static string Get(ulong address)
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{
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string result;
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if (_symbols.TryGetValue(address, out result))
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{
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return result;
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}
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lock (_rangedSymbols)
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{
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foreach (RangedSymbol symbol in _rangedSymbols)
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{
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if (address >= symbol.Start && address <= symbol.End)
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{
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ulong diff = address - symbol.Start;
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ulong rem = diff % symbol.ElementSize;
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result = symbol.Name + "_" + diff / symbol.ElementSize;
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if (rem != 0)
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{
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result += "+" + rem;
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}
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_symbols.TryAdd(address, result);
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return result;
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}
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}
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}
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return null;
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}
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[Conditional("M_DEBUG")]
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public static void Add(ulong address, string name)
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{
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_symbols.TryAdd(address, name);
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}
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[Conditional("M_DEBUG")]
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public static void Add(ulong address, ulong size, ulong elemSize, string name)
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{
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lock (_rangedSymbols)
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{
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_rangedSymbols.Add(new RangedSymbol(address, address + size, elemSize, name));
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}
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}
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}
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}
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@ -1,3 +1,4 @@
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using ARMeilleure.Diagnostics;
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using ARMeilleure.IntermediateRepresentation;
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using ARMeilleure.State;
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using System;
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@ -85,6 +86,8 @@ namespace ARMeilleure.Translation
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IntPtr ptr = Marshal.GetFunctionPointerForDelegate<Delegate>(func);
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Symbols.Add((ulong)ptr.ToInt64(), func.Method.Name);
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OperandType returnType = GetOperandType(func.Method.ReturnType);
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return Call(Const(ptr.ToInt64()), returnType, callArgs);
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@ -1,4 +1,5 @@
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using ARMeilleure.Memory;
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using ARMeilleure.Diagnostics;
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using ARMeilleure.Memory;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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@ -60,6 +61,9 @@ namespace ARMeilleure.Translation
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_targets = new ConcurrentDictionary<ulong, TranslatedFunction>();
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_dependants = new ConcurrentDictionary<ulong, LinkedList<int>>();
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Symbols.Add((ulong)_jumpRegion.Pointer.ToInt64(), JumpTableByteSize, JumpTableStride, "JMP_TABLE");
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Symbols.Add((ulong)_dynamicRegion.Pointer.ToInt64(), DynamicTableByteSize, DynamicTableStride, "DYN_TABLE");
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}
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public void RegisterFunction(ulong address, TranslatedFunction func)
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