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IL2CPP: Change metadata and binary to derive from BinaryObjectStream

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This commit is contained in:
Katy Coe
2020-12-21 06:37:29 +01:00
parent 620d985b71
commit c00b474f33
31 changed files with 172 additions and 179 deletions
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20
Il2CppInspector.Common/IL2CPP/Il2CppBinary.cs
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@@ -17,7 +17,7 @@ namespace Il2CppInspector
{
public abstract partial class Il2CppBinary
{
public IFileFormatReader Image { get; }
public IFileFormatStream Image { get; }
// IL2CPP-only API exports with decrypted names
public Dictionary<string, ulong> APIExports { get; } = new Dictionary<string, ulong>();
@@ -92,7 +92,7 @@ namespace Il2CppInspector
private bool isModified = false;
public bool IsModified => Image.IsModified || isModified;
protected Il2CppBinary(IFileFormatReader stream, EventHandler<string> statusCallback = null) {
protected Il2CppBinary(IFileFormatStream stream, EventHandler<string> statusCallback = null) {
Image = stream;
OnStatusUpdate = statusCallback;
@@ -100,7 +100,7 @@ namespace Il2CppInspector
DiscoverAPIExports();
}
protected Il2CppBinary(IFileFormatReader stream, uint codeRegistration, uint metadataRegistration, EventHandler<string> statusCallback = null) {
protected Il2CppBinary(IFileFormatStream stream, uint codeRegistration, uint metadataRegistration, EventHandler<string> statusCallback = null) {
Image = stream;
OnStatusUpdate = statusCallback;
@@ -110,7 +110,7 @@ namespace Il2CppInspector
}
// Load and initialize a binary of any supported architecture
private static Il2CppBinary LoadImpl(IFileFormatReader stream, EventHandler<string> statusCallback) {
private static Il2CppBinary LoadImpl(IFileFormatStream stream, EventHandler<string> statusCallback) {
// Get type from image architecture
var type = Assembly.GetExecutingAssembly().GetType("Il2CppInspector.Il2CppBinary" + stream.Arch.ToUpper());
if (type == null)
@@ -118,15 +118,15 @@ namespace Il2CppInspector
// Set width of long (convert to sizeof(int) for 32-bit files)
if (stream[0].Bits == 32) {
stream[0].Stream.PrimitiveMappings.Add(typeof(long), typeof(int));
stream[0].Stream.PrimitiveMappings.Add(typeof(ulong), typeof(uint));
stream[0].AddPrimitiveMapping(typeof(long), typeof(int));
stream[0].AddPrimitiveMapping(typeof(ulong), typeof(uint));
}
return (Il2CppBinary) Activator.CreateInstance(type, stream[0], statusCallback);
}
// Load binary without a global-metadata.dat available
public static Il2CppBinary Load(IFileFormatReader stream, double metadataVersion, EventHandler<string> statusCallback = null) {
public static Il2CppBinary Load(IFileFormatStream stream, double metadataVersion, EventHandler<string> statusCallback = null) {
foreach (var loadedImage in stream.TryNextLoadStrategy()) {
var inst = LoadImpl(stream, statusCallback);
if (inst.FindRegistrationStructs(metadataVersion))
@@ -140,7 +140,7 @@ namespace Il2CppInspector
// If it is specified and both symbol table and function scanning fail,
// Metadata will be used to try to find the required structures with data analysis
// If it is not specified, data analysis will not be performed
public static Il2CppBinary Load(IFileFormatReader stream, Metadata metadata, EventHandler<string> statusCallback = null) {
public static Il2CppBinary Load(IFileFormatStream stream, Metadata metadata, EventHandler<string> statusCallback = null) {
foreach (var loadedImage in stream.TryNextLoadStrategy()) {
var inst = LoadImpl(stream, statusCallback);
if (inst.FindRegistrationStructs(metadata))
@@ -154,7 +154,7 @@ namespace Il2CppInspector
public void SaveToFile(string pathname) {
Image.Position = 0;
using (var outFile = new FileStream(pathname, FileMode.Create, FileAccess.Write))
Image.Stream.BaseStream.CopyTo(outFile);
Image.CopyTo(outFile);
}
// Initialize binary without a global-metadata.dat available
@@ -244,7 +244,7 @@ namespace Il2CppInspector
}
// Architecture-specific search function
protected abstract (ulong, ulong) ConsiderCode(IFileFormatReader image, uint loc);
protected abstract (ulong, ulong) ConsiderCode(IFileFormatStream image, uint loc);
// Load all of the discovered metadata in the binary
private void PrepareMetadata(ulong codeRegistration, ulong metadataRegistration, Metadata metadata = null) {