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Output: Show offsets in metadata file for const fields and parameters with default values

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This commit is contained in:
Katy Coe
2019-11-14 05:02:36 +01:00
parent 1fb013dcc2
commit 9b79217a38
4 changed files with 23 additions and 14 deletions
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3
Il2CppDumper/Il2CppCSharpDumper.cs
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@@ -207,6 +207,9 @@ namespace Il2CppInspector
// Don't output field indices for const fields (they don't have any storage)
if (!field.IsLiteral && !SuppressMetadata)
sb.Append($" // 0x{(uint) field.Offset:X2}");
// Output metadata file offset for const fields
if (field.IsLiteral && !SuppressMetadata)
sb.Append($" // Metadata: 0x{(uint) field.DefaultValueMetadataAddress:X8}");
sb.Append("\n");
}
codeBlocks.Add("Fields", sb.ToString());

18
Il2CppInspector/Il2CppInspector.cs
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@@ -20,7 +20,7 @@ namespace Il2CppInspector
private Metadata Metadata { get; }
// All method pointers sorted in ascending order (for finding the end of a method)
private List<ulong> sortedMethodPointers { get; set; }
private List<ulong> sortedMethodPointers { get; }
// Shortcuts
public double Version => Metadata.Version;
@@ -41,8 +41,8 @@ namespace Il2CppInspector
public int[] InterfaceUsageIndices => Metadata.InterfaceUsageIndices;
public int[] NestedTypeIndices => Metadata.NestedTypeIndices;
public int[] AttributeTypeIndices => Metadata.AttributeTypeIndices;
public Dictionary<int, object> FieldDefaultValue { get; } = new Dictionary<int, object>();
public Dictionary<int, object> ParameterDefaultValue { get; } = new Dictionary<int, object>();
public Dictionary<int, (ulong, object)> FieldDefaultValue { get; } = new Dictionary<int, (ulong, object)>();
public Dictionary<int, (ulong, object)> ParameterDefaultValue { get; } = new Dictionary<int, (ulong, object)>();
public List<long> FieldOffsets { get; }
public List<Il2CppType> TypeUsages => Binary.Types;
public Dictionary<string, Il2CppCodeGenModule> Modules => Binary.Modules;
@@ -51,10 +51,10 @@ namespace Il2CppInspector
// TODO: Finish all file access in the constructor and eliminate the need for this
public IFileFormatReader BinaryImage => Binary.Image;
private object getDefaultValue(int typeIndex, int dataIndex) {
private (ulong MetadataAddress, object Value)? getDefaultValue(int typeIndex, int dataIndex) {
// No default
if (dataIndex == -1)
return null;
return (0ul, null);
// Get pointer in binary to default value
var pValue = Metadata.Header.fieldAndParameterDefaultValueDataOffset + dataIndex;
@@ -62,7 +62,7 @@ namespace Il2CppInspector
// Default value is null
if (pValue == 0)
return null;
return (0ul, null);
object value = null;
Metadata.Position = pValue;
@@ -107,7 +107,7 @@ namespace Il2CppInspector
value = Encoding.UTF8.GetString(Metadata.ReadBytes(uiLen));
break;
}
return value;
return ((ulong) pValue, value);
}
public Il2CppInspector(Il2CppBinary binary, Metadata metadata) {
@@ -117,11 +117,11 @@ namespace Il2CppInspector
// Get all field default values
foreach (var fdv in Metadata.FieldDefaultValues)
FieldDefaultValue.Add(fdv.fieldIndex, getDefaultValue(fdv.typeIndex, fdv.dataIndex));
FieldDefaultValue.Add(fdv.fieldIndex, ((ulong,object)) getDefaultValue(fdv.typeIndex, fdv.dataIndex));
// Get all parameter default values
foreach (var pdv in Metadata.ParameterDefaultValues)
ParameterDefaultValue.Add(pdv.parameterIndex, getDefaultValue(pdv.typeIndex, pdv.dataIndex));
ParameterDefaultValue.Add(pdv.parameterIndex, ((ulong,object)) getDefaultValue(pdv.typeIndex, pdv.dataIndex));
// Get all field offsets
if (Binary.FieldOffsets != null) {

7
Il2CppInspector/Reflection/FieldInfo.cs
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@@ -16,6 +16,7 @@ namespace Il2CppInspector.Reflection {
public Il2CppFieldDefinition Definition { get; }
public int Index { get; }
public long Offset { get; }
public ulong DefaultValueMetadataAddress { get; }
// Custom attributes for this member
public override IEnumerable<CustomAttributeData> CustomAttributes => CustomAttributeData.GetCustomAttributes(this);
@@ -111,8 +112,10 @@ namespace Il2CppInspector.Reflection {
Attributes |= FieldAttributes.HasDefault;
// Default initialization value if present
if (pkg.FieldDefaultValue.TryGetValue(fieldIndex, out object variant))
DefaultValue = variant;
if (pkg.FieldDefaultValue.TryGetValue(fieldIndex, out (ulong address, object variant) value)) {
DefaultValue = value.variant;
DefaultValueMetadataAddress = value.address;
}
}
public string GetAccessModifierString() => this switch {

9
Il2CppInspector/Reflection/ParameterInfo.cs
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@@ -16,6 +16,7 @@ namespace Il2CppInspector.Reflection
// IL2CPP-specific data
public Il2CppParameterDefinition Definition { get; }
public int Index { get; }
public ulong DefaultValueMetadataAddress { get; }
// Information/flags about the parameter
public ParameterAttributes Attributes { get; }
@@ -84,8 +85,10 @@ namespace Il2CppInspector.Reflection
Attributes |= ParameterAttributes.Retval;
// Default initialization value if present
if (pkg.ParameterDefaultValue.TryGetValue(paramIndex, out object variant))
DefaultValue = variant;
if (pkg.ParameterDefaultValue.TryGetValue(paramIndex, out (ulong address, object variant) value)) {
DefaultValue = value.variant;
DefaultValueMetadataAddress = value.address;
}
}
public string GetModifierString() =>
@@ -100,7 +103,7 @@ namespace Il2CppInspector.Reflection
(Position == 0 && Member.GetCustomAttributes("System.Runtime.CompilerServices.ExtensionAttribute").Any()? "this ":"")
+ $"{CustomAttributes.ToString(inline: true, emitPointer: emitPointer).Replace("[ParamArray]", "params")}"
+ $"{getCSharpSignatureString()} {Name}"
+ (HasDefaultValue ? " = " + DefaultValue.ToCSharpValue() : "");
+ (HasDefaultValue ? " = " + DefaultValue.ToCSharpValue() + (emitPointer && !(DefaultValue is null)? $" /* Metadata: 0x{(uint) DefaultValueMetadataAddress:X8} */" : "") : "");
public string GetReturnParameterString() => !IsRetval? null : getCSharpSignatureString();
}