chizui/Il2CppInspectorRedux
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First whack at type structs for IDA.

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This commit only includes instance field structs, not class
structs/vtables/static fields.
This commit is contained in:
Robert Xiao
2020-04-20 18:32:27 -07:00
committed by Katy
parent caa7eaf870
commit 75744a31dc
3 changed files with 558 additions and 17 deletions
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34
Il2CppInspector.Common/Outputs/IDAPythonScript.cs
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@@ -18,27 +18,19 @@ namespace Il2CppInspector.Outputs
private readonly Il2CppModel model;
private StreamWriter writer;
public UnityVersion UnityVersion;
private UnityHeader header;
private CppDeclarations typeGenerator;
public IDAPythonScript(Il2CppModel model) => this.model = model;
public void WriteScriptToFile(string outputFile) {
if (UnityVersion == null) {
header = UnityHeader.GuessHeadersForModel(model)[0];
UnityVersion = header.MinVersion;
} else {
header = UnityHeader.GetHeaderForVersion(UnityVersion);
if (header.MetadataVersion != model.Package.BinaryImage.Version) {
/* this can only happen in the CLI frontend with a manually-supplied version number */
Console.WriteLine($"Warning: selected version {UnityVersion} (metadata version {header.MetadataVersion}) does not match metadata version {model.Package.BinaryImage.Version}.");
}
}
typeGenerator = new CppDeclarations(model, UnityVersion);
UnityVersion = typeGenerator.UnityVersion;
using var fs = new FileStream(outputFile, FileMode.Create);
writer = new StreamWriter(fs, Encoding.UTF8);
writeLine("# Generated script file by Il2CppInspector - http://www.djkaty.com - https://github.com/djkaty");
writeLine("# Target Unity version: " + header);
writeLine("# Target Unity version: " + typeGenerator.UnityHeader.ToString());
writeLine("print('Generated script file by Il2CppInspector - http://www.djkaty.com - https://github.com/djkaty')");
writeSectionHeader("Preamble");
writePreamble();
@@ -90,7 +82,7 @@ typedef __int64 int64_t;
");
var prefix = (model.Package.BinaryImage.Bits == 32) ? "#define IS_32BIT\n" : "";
writeDecls(prefix + header.GetHeaderText());
writeDecls(prefix + typeGenerator.UnityHeader.GetHeaderText());
}
private void writeMethods() {
@@ -117,8 +109,10 @@ typedef __int64 int64_t;
private void writeMethods(IEnumerable<MethodBase> methods) {
foreach (var method in methods.Where(m => m.VirtualAddress.HasValue)) {
typeGenerator.VisitMethod(method);
writeDecls(typeGenerator.GenerateVisitedTypes());
var address = method.VirtualAddress.Value.Start;
writeName(address, $"{method.DeclaringType.Name}_{method.Name}{method.GetFullTypeParametersString()}");
writeTypedName(address, typeGenerator.GenerateMethodDeclaration(method), typeGenerator.MethodNamer.GetName(method));
writeComment(address, method);
}
}
@@ -163,9 +157,12 @@ typedef __int64 int64_t;
case MetadataUsageType.Type:
case MetadataUsageType.TypeInfo:
var type = model.GetMetadataUsageType(usage);
name = sanitizeIdentifier(type.Name);
typeGenerator.VisitType(type);
writeDecls(typeGenerator.GenerateVisitedTypes());
name = typeGenerator.TypeNamer.GetName(type);
if (usage.Type == MetadataUsageType.TypeInfo)
writeTypedName(address, $"struct Il2CppClass *", $"{name}__TypeInfo");
writeTypedName(address, $"struct {name}__Class *", $"{name}__TypeInfo");
else
writeTypedName(address, $"struct Il2CppType *", $"{name}__TypeRef");
writeComment(address, type.CSharpName);
@@ -173,7 +170,10 @@ typedef __int64 int64_t;
case MetadataUsageType.MethodDef:
case MetadataUsageType.MethodRef:
var method = model.GetMetadataUsageMethod(usage);
name = sanitizeIdentifier(method.Name);
typeGenerator.VisitMethod(method);
writeDecls(typeGenerator.GenerateVisitedTypes());
name = typeGenerator.MethodNamer.GetName(method);
writeTypedName(address, "struct MethodInfo *", $"{name}__MethodInfo");
writeComment(address, method);
break;