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Add Fat Mach-O (Universal Binary) support

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Fix fieldOffsets bug in some metadata versions
Add support for generic multi-architecture binaries
Add Mach-O section RVA mapping
This commit is contained in:
Katy Coe
2017-10-23 12:35:59 +02:00
parent fef4d3d8f3
commit 16b56e271b
9 changed files with 218 additions and 82 deletions
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10
Il2CppDumper/Il2CppDumper.cs
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@@ -43,7 +43,7 @@ namespace Il2CppInspector
var fieldEnd = typeDef.fieldStart + typeDef.field_count;
for (int i = typeDef.fieldStart; i < fieldEnd; ++i) {
var pField = metadata.Fields[i];
var pType = il2cpp.Code.GetTypeFromTypeIndex(pField.typeIndex);
var pType = il2cpp.GetTypeFromTypeIndex(pField.typeIndex);
var pDefault = metadata.GetFieldDefaultFromIndex(i);
writer.Write("\t");
if ((pType.attrs & DefineConstants.FIELD_ATTRIBUTE_PRIVATE) ==
@@ -59,7 +59,7 @@ namespace Il2CppInspector
writer.Write($"{il2cpp.GetTypeName(pType)} {metadata.GetString(pField.nameIndex)}");
if (pDefault != null && pDefault.dataIndex != -1) {
var pointer = metadata.GetDefaultValueFromIndex(pDefault.dataIndex);
Il2CppType pTypeToUse = il2cpp.Code.GetTypeFromTypeIndex(pDefault.typeIndex);
Il2CppType pTypeToUse = il2cpp.GetTypeFromTypeIndex(pDefault.typeIndex);
if (pointer > 0) {
metadata.Position = pointer;
object multi = null;
@@ -110,14 +110,14 @@ namespace Il2CppInspector
}
}
writer.Write("; // 0x{0:x}\n",
il2cpp.Code.GetFieldOffsetFromIndex(idx, i - typeDef.fieldStart));
il2cpp.GetFieldOffsetFromIndex(idx, i - typeDef.fieldStart));
}
writer.Write("\t// Methods\n");
var methodEnd = typeDef.methodStart + typeDef.method_count;
for (int i = typeDef.methodStart; i < methodEnd; ++i) {
var methodDef = metadata.Methods[i];
writer.Write("\t");
Il2CppType pReturnType = il2cpp.Code.GetTypeFromTypeIndex(methodDef.returnType);
Il2CppType pReturnType = il2cpp.GetTypeFromTypeIndex(methodDef.returnType);
if ((methodDef.flags & DefineConstants.METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK) ==
DefineConstants.METHOD_ATTRIBUTE_PRIVATE)
writer.Write("private ");
@@ -133,7 +133,7 @@ namespace Il2CppInspector
for (int j = 0; j < methodDef.parameterCount; ++j) {
Il2CppParameterDefinition pParam = metadata.parameterDefs[methodDef.parameterStart + j];
string szParamName = metadata.GetString(pParam.nameIndex);
Il2CppType pType = il2cpp.Code.GetTypeFromTypeIndex(pParam.typeIndex);
Il2CppType pType = il2cpp.GetTypeFromTypeIndex(pParam.typeIndex);
string szTypeName = il2cpp.GetTypeName(pType);
if ((pType.attrs & DefineConstants.PARAM_ATTRIBUTE_OPTIONAL) != 0)
writer.Write("optional ");

9
Il2CppDumper/Program.cs
View File

@@ -40,13 +40,14 @@ namespace Il2CppInspector
}
// Analyze data
var il2cpp = Il2CppProcessor.LoadFromFile(imageFile, metaFile);
if (il2cpp == null)
var il2cppProcessors = Il2CppProcessor.LoadFromFile(imageFile, metaFile);
if (il2cppProcessors == null)
Environment.Exit(1);
// Write output file
var dumper = new Il2CppDumper(il2cpp);
dumper.WriteFile(outFile);
int i = 0;
foreach (var il2cpp in il2cppProcessors)
new Il2CppDumper(il2cpp).WriteFile(outFile + "-" + (i++));
}
}
}