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C++: Output IL2CPP API function pointers

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This commit is contained in:
Katy Coe
2020-07-18 19:47:45 +02:00
parent a2f6c3c5b6
commit 7124149fef
1 changed files with 27 additions and 7 deletions
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34
Il2CppInspector.Common/Outputs/CppScaffolding.cs
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@@ -27,20 +27,16 @@ namespace Il2CppInspector.Outputs
// A System.IOException will be thrown if it's a file' // A System.IOException will be thrown if it's a file'
Directory.CreateDirectory(outputPath); Directory.CreateDirectory(outputPath);
// Write il2cpp-types.h // Write type definitions to il2cpp-types.h
var typeHeaderFile = Path.Combine(outputPath, "il2cpp-types.h"); var typeHeaderFile = Path.Combine(outputPath, "il2cpp-types.h");
using var fs = new FileStream(typeHeaderFile, FileMode.Create); using var fs = new FileStream(typeHeaderFile, FileMode.Create);
writer = new StreamWriter(fs, Encoding.UTF8); writer = new StreamWriter(fs, Encoding.UTF8);
writeLine("// Generated C++ file by Il2CppInspector - http://www.djkaty.com - https://github.com/djkaty"); writeHeader();
writeLine("// Target Unity version: " + model.UnityHeader);
writeLine("");
writeSectionHeader("IL2CPP internal types"); writeSectionHeader("IL2CPP internal types");
writeCode(model.UnityHeaderText); writeCode(model.UnityHeaderText);
// Prevent conflicts with symbols that are in scope for compilers by default
writeCode("namespace app {"); writeCode("namespace app {");
writeLine(""); writeLine("");
@@ -51,8 +47,32 @@ namespace Il2CppInspector.Outputs
writeCode("}"); writeCode("}");
writer.Close(); writer.Close();
// Write API function pointers to il2cpp-function-ptr.h
var il2cppFnPtrFile = Path.Combine(outputPath, "il2cpp-function-ptr.h");
using var fs2 = new FileStream(il2cppFnPtrFile, FileMode.Create);
writer = new StreamWriter(fs2, Encoding.UTF8);
writeHeader();
writeSectionHeader("IL2CPP API function pointers");
var exports = model.Exports.Where(e => e.Name.StartsWith("il2cpp_") || e.Name.StartsWith("_il2cpp_") || e.Name.StartsWith("__il2cpp_"));
var exportRgx = new Regex(@"^_+");
foreach (var export in exports) {
writeCode($"#define {exportRgx.Replace(export.Name, "")}_ptr 0x{model.Package.BinaryImage.MapVATR(export.VirtualAddress):x8}");
}
writer.Close();
} }
private void writeHeader() {
writeLine("// Generated C++ file by Il2CppInspector - http://www.djkaty.com - https://github.com/djkaty");
writeLine("// Target Unity version: " + model.UnityHeader);
writeLine("");
}
private void writeUnityHeaders() { private void writeUnityHeaders() {
var prefix = (model.Package.BinaryImage.Bits == 32) ? "#define IS_32BIT\n" : ""; var prefix = (model.Package.BinaryImage.Bits == 32) ? "#define IS_32BIT\n" : "";
writeCode(prefix + model.UnityHeader.GetHeaderText()); writeCode(prefix + model.UnityHeader.GetHeaderText());