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Roll up Il2CppInspector.Binary and Il2CppInspector.Metadata

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Katy Coe
2019-10-16 17:00:30 +02:00
parent 950c2d6f16
commit 3345d4566a
9 changed files with 43 additions and 28 deletions
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25
Il2CppInspector/Il2CppInspector.cs
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@@ -12,17 +12,32 @@ using System.Text;
namespace Il2CppInspector namespace Il2CppInspector
{ {
// Il2CppInspector ties together the binary and metadata files into a congruent API surface
public class Il2CppInspector public class Il2CppInspector
{ {
public Il2CppBinary Binary { get; } private Il2CppBinary Binary { get; }
public Metadata Metadata { get; } private Metadata Metadata { get; }
// Shortcuts // Shortcuts
public double Version => Metadata.Version;
public Dictionary<int, string> Strings => Metadata.Strings; public Dictionary<int, string> Strings => Metadata.Strings;
public Il2CppTypeDefinition[] TypeDefinitions => Metadata.Types; public Il2CppTypeDefinition[] TypeDefinitions => Metadata.Types;
public List<Il2CppType> TypeUsages => Binary.Types; public Il2CppImageDefinition[] Images => Metadata.Images;
public Il2CppMethodDefinition[] Methods => Metadata.Methods;
public Il2CppParameterDefinition[] Params => Metadata.Params;
public Il2CppFieldDefinition[] Fields => Metadata.Fields;
public Il2CppPropertyDefinition[] Properties => Metadata.Properties;
public Il2CppEventDefinition[] Events => Metadata.Events;
public int[] InterfaceUsageIndices => Metadata.InterfaceUsageIndices;
public Dictionary<int, object> FieldDefaultValue { get; } = new Dictionary<int, object>(); public Dictionary<int, object> FieldDefaultValue { get; } = new Dictionary<int, object>();
public List<int> FieldOffsets { get; } public List<int> FieldOffsets { get; }
public List<Il2CppType> TypeUsages => Binary.Types;
public Dictionary<string, Il2CppCodeGenModule> Modules => Binary.Modules;
public uint[] MethodPointers => Binary.MethodPointers;
// TODO: Finish all file access in the constructor and eliminate the need for this
public IFileFormatReader BinaryImage { get; }
public Il2CppInspector(Il2CppBinary binary, Metadata metadata) { public Il2CppInspector(Il2CppBinary binary, Metadata metadata) {
// Store stream representations // Store stream representations
@@ -96,10 +111,10 @@ namespace Il2CppInspector
// Get all field offsets // Get all field offsets
// Versions from 22 onwards use an array of pointers in Binary.FieldOffsetData // Versions from 22 onwards use an array of pointers in Binary.FieldOffsetData
bool fieldOffsetsArePointers = (Metadata.Version >= 22); bool fieldOffsetsArePointers = (Version >= 22);
// Some variants of 21 also use an array of pointers // Some variants of 21 also use an array of pointers
if (Metadata.Version == 21) { if (Version == 21) {
var f = Binary.FieldOffsetData; var f = Binary.FieldOffsetData;
// We detect this by relying on the fact Module, Object, ValueType, Attribute, _Attribute and Int32 // We detect this by relying on the fact Module, Object, ValueType, Attribute, _Attribute and Int32
// are always the first six defined types, and that all but Int32 have no fields // are always the first six defined types, and that all but Int32 have no fields

4
Il2CppInspector/Il2CppReflector.cs
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@@ -1,5 +1,5 @@
/* /*
Copyright 2017 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com Copyright 2017-2019 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
All rights reserved. All rights reserved.
*/ */
@@ -19,7 +19,7 @@ namespace Il2CppInspector.Reflection
Package = package; Package = package;
// Create Assembly objects from Il2Cpp package // Create Assembly objects from Il2Cpp package
for (var image = 0; image < package.Metadata.Images.Length; image++) for (var image = 0; image < package.Images.Length; image++)
Assemblies.Add(new Assembly(this, image)); Assemblies.Add(new Assembly(this, image));
} }

8
Il2CppInspector/Reflection/Assembly.cs
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@@ -1,5 +1,5 @@
/* /*
Copyright 2017 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com Copyright 2017-2019 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
All rights reserved. All rights reserved.
*/ */
@@ -34,7 +34,7 @@ namespace Il2CppInspector.Reflection {
// Initialize from specified assembly index in package // Initialize from specified assembly index in package
public Assembly(Il2CppReflector model, int imageIndex) { public Assembly(Il2CppReflector model, int imageIndex) {
Model = model; Model = model;
Definition = Model.Package.Metadata.Images[imageIndex]; Definition = Model.Package.Images[imageIndex];
Index = Definition.assemblyIndex; Index = Definition.assemblyIndex;
FullName = Model.Package.Strings[Definition.nameIndex]; FullName = Model.Package.Strings[Definition.nameIndex];
@@ -43,8 +43,8 @@ namespace Il2CppInspector.Reflection {
} }
// Find corresponding module (we'll need this for method pointers) // Find corresponding module (we'll need this for method pointers)
if (Model.Package.Metadata.Version >= 24.1) if (Model.Package.Version >= 24.1)
Module = Model.Package.Binary.Modules[FullName]; Module = Model.Package.Modules[FullName];
// Generate types in DefinedTypes from typeStart to typeStart+typeCount-1 // Generate types in DefinedTypes from typeStart to typeStart+typeCount-1
for (var t = Definition.typeStart; t < Definition.typeStart + Definition.typeCount; t++) for (var t = Definition.typeStart; t < Definition.typeStart + Definition.typeCount; t++)

4
Il2CppInspector/Reflection/EventInfo.cs
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@@ -1,5 +1,5 @@
/* /*
Copyright 2017 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com Copyright 2017-2019 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
All rights reserved. All rights reserved.
*/ */
@@ -33,7 +33,7 @@ namespace Il2CppInspector.Reflection
public EventInfo(Il2CppInspector pkg, int eventIndex, TypeInfo declaringType) : public EventInfo(Il2CppInspector pkg, int eventIndex, TypeInfo declaringType) :
base(declaringType) { base(declaringType) {
Definition = pkg.Metadata.Events[eventIndex]; Definition = pkg.Events[eventIndex];
Index = eventIndex; Index = eventIndex;
Name = pkg.Strings[Definition.nameIndex]; Name = pkg.Strings[Definition.nameIndex];

4
Il2CppInspector/Reflection/FieldInfo.cs
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@@ -1,5 +1,5 @@
/* /*
Copyright 2017 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com Copyright 2017-2019 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
All rights reserved. All rights reserved.
*/ */
@@ -83,7 +83,7 @@ namespace Il2CppInspector.Reflection {
public FieldInfo(Il2CppInspector pkg, int fieldIndex, TypeInfo declaringType) : public FieldInfo(Il2CppInspector pkg, int fieldIndex, TypeInfo declaringType) :
base(declaringType) { base(declaringType) {
Definition = pkg.Metadata.Fields[fieldIndex]; Definition = pkg.Fields[fieldIndex];
Index = fieldIndex; Index = fieldIndex;
Offset = pkg.FieldOffsets[fieldIndex]; Offset = pkg.FieldOffsets[fieldIndex];
Name = pkg.Strings[Definition.nameIndex]; Name = pkg.Strings[Definition.nameIndex];

10
Il2CppInspector/Reflection/MethodInfo.cs
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@@ -31,7 +31,7 @@ namespace Il2CppInspector.Reflection
public MethodInfo(Il2CppInspector pkg, int methodIndex, TypeInfo declaringType) : public MethodInfo(Il2CppInspector pkg, int methodIndex, TypeInfo declaringType) :
base(declaringType) { base(declaringType) {
Definition = pkg.Metadata.Methods[methodIndex]; Definition = pkg.Methods[methodIndex];
Index = methodIndex; Index = methodIndex;
Name = pkg.Strings[Definition.nameIndex]; Name = pkg.Strings[Definition.nameIndex];
@@ -39,16 +39,16 @@ namespace Il2CppInspector.Reflection
if (Definition.methodIndex >= 0) { if (Definition.methodIndex >= 0) {
// Global method pointer array // Global method pointer array
if (pkg.Metadata.Version < 24.1) { if (pkg.Version < 24.1) {
VirtualAddress = pkg.Binary.MethodPointers[Definition.methodIndex]; VirtualAddress = pkg.MethodPointers[Definition.methodIndex];
} }
// Per-module method pointer array uses the bottom 24 bits of the method's metadata token // Per-module method pointer array uses the bottom 24 bits of the method's metadata token
// Derived from il2cpp::vm::MetadataCache::GetMethodPointer // Derived from il2cpp::vm::MetadataCache::GetMethodPointer
else { else {
var method = (Definition.token & 0xffffff) - 1; var method = (Definition.token & 0xffffff) - 1;
pkg.Binary.Image.Position = pkg.Binary.Image.MapVATR(Assembly.Module.methodPointers + method * 4); pkg.BinaryImage.Position = pkg.BinaryImage.MapVATR(Assembly.Module.methodPointers + method * 4);
VirtualAddress = pkg.Binary.Image.ReadUInt32(); VirtualAddress = pkg.BinaryImage.ReadUInt32();
} }
// Remove ARM Thumb marker LSB if necessary // Remove ARM Thumb marker LSB if necessary

6
Il2CppInspector/Reflection/ParameterInfo.cs
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@@ -1,5 +1,5 @@
/* /*
Copyright 2017 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com Copyright 2017-2019 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
All rights reserved. All rights reserved.
*/ */
@@ -51,8 +51,8 @@ namespace Il2CppInspector.Reflection
return; return;
} }
var param = pkg.Metadata.Params[paramIndex]; var param = pkg.Params[paramIndex];
Name = pkg.Metadata.Strings[param.nameIndex]; Name = pkg.Strings[param.nameIndex];
Position = paramIndex - declaringMethod.Definition.parameterStart; Position = paramIndex - declaringMethod.Definition.parameterStart;
paramType = pkg.TypeUsages[param.typeIndex]; paramType = pkg.TypeUsages[param.typeIndex];

4
Il2CppInspector/Reflection/PropertyInfo.cs
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@@ -1,5 +1,5 @@
/* /*
Copyright 2017 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com Copyright 2017-2019 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
All rights reserved. All rights reserved.
*/ */
@@ -25,7 +25,7 @@ namespace Il2CppInspector.Reflection {
public PropertyInfo(Il2CppInspector pkg, int propIndex, TypeInfo declaringType) : public PropertyInfo(Il2CppInspector pkg, int propIndex, TypeInfo declaringType) :
base(declaringType) { base(declaringType) {
var prop = pkg.Metadata.Properties[propIndex]; var prop = pkg.Properties[propIndex];
Name = pkg.Strings[prop.nameIndex]; Name = pkg.Strings[prop.nameIndex];

6
Il2CppInspector/Reflection/TypeInfo.cs
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@@ -1,5 +1,5 @@
/* /*
Copyright 2017 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com Copyright 2017-2019 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
All rights reserved. All rights reserved.
*/ */
@@ -183,7 +183,7 @@ namespace Il2CppInspector.Reflection {
// Add all implemented interfaces // Add all implemented interfaces
implementedInterfaces = new Il2CppType[Definition.interfaces_count]; implementedInterfaces = new Il2CppType[Definition.interfaces_count];
for (var i = 0; i < Definition.interfaces_count; i++) for (var i = 0; i < Definition.interfaces_count; i++)
implementedInterfaces[i] = pkg.TypeUsages[pkg.Metadata.InterfaceUsageIndices[Definition.interfacesStart + i]]; implementedInterfaces[i] = pkg.TypeUsages[pkg.InterfaceUsageIndices[Definition.interfacesStart + i]];
// Add all fields // Add all fields
for (var f = Definition.fieldStart; f < Definition.fieldStart + Definition.field_count; f++) for (var f = Definition.fieldStart; f < Definition.fieldStart + Definition.field_count; f++)
@@ -205,7 +205,7 @@ namespace Il2CppInspector.Reflection {
// Initialize type from binary usage // Initialize type from binary usage
public TypeInfo(Il2CppReflector model, Il2CppType pType, MemberTypes memberType) : base(null) { public TypeInfo(Il2CppReflector model, Il2CppType pType, MemberTypes memberType) : base(null) {
var image = model.Package.Binary.Image; var image = model.Package.BinaryImage;
IsNested = true; IsNested = true;
MemberType = memberType; MemberType = memberType;