619 lines
25 KiB
C#
619 lines
25 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Text;
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using GodotTools.Internals;
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using Directory = GodotTools.Utils.Directory;
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using File = GodotTools.Utils.File;
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using OS = GodotTools.Utils.OS;
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using Path = System.IO.Path;
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namespace GodotTools.Export
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{
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public struct AotOptions
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{
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public bool EnableLLVM;
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public bool LLVMOnly;
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public string LLVMPath;
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public string LLVMOutputPath;
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public bool FullAot;
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private bool _useInterpreter;
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public bool UseInterpreter { get => _useInterpreter && !LLVMOnly; set => _useInterpreter = value; }
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public string[] ExtraAotOptions;
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public string[] ExtraOptimizerOptions;
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public string ToolchainPath;
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}
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public static class AotBuilder
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{
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public static void CompileAssemblies(ExportPlugin exporter, AotOptions aotOpts, string[] features, string platform, bool isDebug, string bclDir, string outputDir, string outputDataDir, IDictionary<string, string> assemblies)
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{
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// TODO: WASM
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string aotTempDir = Path.Combine(Path.GetTempPath(), $"godot-aot-{Process.GetCurrentProcess().Id}");
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if (!Directory.Exists(aotTempDir))
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Directory.CreateDirectory(aotTempDir);
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var assembliesPrepared = new Dictionary<string, string>();
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foreach (var dependency in assemblies)
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{
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string assemblyName = dependency.Key;
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string assemblyPath = dependency.Value;
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string assemblyPathInBcl = Path.Combine(bclDir, assemblyName + ".dll");
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if (File.Exists(assemblyPathInBcl))
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{
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// Don't create teporaries for assemblies from the BCL
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assembliesPrepared.Add(assemblyName, assemblyPathInBcl);
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}
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else
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{
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string tempAssemblyPath = Path.Combine(aotTempDir, assemblyName + ".dll");
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File.Copy(assemblyPath, tempAssemblyPath);
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assembliesPrepared.Add(assemblyName, tempAssemblyPath);
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}
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}
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if (platform == OS.Platforms.iOS)
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{
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var architectures = GetEnablediOSArchs(features).ToArray();
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CompileAssembliesForiOS(exporter, isDebug, architectures, aotOpts, aotTempDir, assembliesPrepared, bclDir);
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}
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else if (platform == OS.Platforms.Android)
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{
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var abis = GetEnabledAndroidAbis(features).ToArray();
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CompileAssembliesForAndroid(exporter, isDebug, abis, aotOpts, aotTempDir, assembliesPrepared, bclDir);
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}
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else
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{
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string bits = features.Contains("64") ? "64" : features.Contains("32") ? "32" : null;
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CompileAssembliesForDesktop(exporter, platform, isDebug, bits, aotOpts, aotTempDir, outputDataDir, assembliesPrepared, bclDir);
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}
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}
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public static void CompileAssembliesForAndroid(ExportPlugin exporter, bool isDebug, string[] abis, AotOptions aotOpts, string aotTempDir, IDictionary<string, string> assemblies, string bclDir)
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{
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foreach (var assembly in assemblies)
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{
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string assemblyName = assembly.Key;
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string assemblyPath = assembly.Value;
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// Not sure if the 'lib' prefix is an Android thing or just Godot being picky,
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// but we use '-aot-' as well just in case to avoid conflicts with other libs.
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string outputFileName = "lib-aot-" + assemblyName + ".dll.so";
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foreach (string abi in abis)
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{
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string aotAbiTempDir = Path.Combine(aotTempDir, abi);
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string soFilePath = Path.Combine(aotAbiTempDir, outputFileName);
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var compilerArgs = GetAotCompilerArgs(OS.Platforms.Android, isDebug, abi, aotOpts, assemblyPath, soFilePath);
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// Make sure the output directory exists
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Directory.CreateDirectory(aotAbiTempDir);
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string compilerDirPath = Path.Combine(GodotSharpDirs.DataEditorToolsDir, "aot-compilers", $"{OS.Platforms.Android}-{abi}");
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ExecuteCompiler(FindCrossCompiler(compilerDirPath), compilerArgs, bclDir);
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// The Godot exporter expects us to pass the abi in the tags parameter
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exporter.AddSharedObject(soFilePath, tags: new[] { abi });
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}
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}
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}
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public static void CompileAssembliesForDesktop(ExportPlugin exporter, string platform, bool isDebug, string bits, AotOptions aotOpts, string aotTempDir, string outputDataDir, IDictionary<string, string> assemblies, string bclDir)
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{
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foreach (var assembly in assemblies)
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{
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string assemblyName = assembly.Key;
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string assemblyPath = assembly.Value;
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string outputFileExtension = platform == OS.Platforms.Windows ? ".dll" :
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platform == OS.Platforms.MacOS ? ".dylib" :
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".so";
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string outputFileName = assemblyName + ".dll" + outputFileExtension;
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string tempOutputFilePath = Path.Combine(aotTempDir, outputFileName);
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var compilerArgs = GetAotCompilerArgs(platform, isDebug, bits, aotOpts, assemblyPath, tempOutputFilePath);
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string compilerDirPath = GetMonoCrossDesktopDirName(platform, bits);
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ExecuteCompiler(FindCrossCompiler(compilerDirPath), compilerArgs, bclDir);
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if (platform == OS.Platforms.MacOS)
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{
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exporter.AddSharedObject(tempOutputFilePath, tags: null);
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}
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else
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{
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string outputDataLibDir = Path.Combine(outputDataDir, "Mono", platform == OS.Platforms.Windows ? "bin" : "lib");
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File.Copy(tempOutputFilePath, Path.Combine(outputDataLibDir, outputFileName));
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}
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}
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}
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public static void CompileAssembliesForiOS(ExportPlugin exporter, bool isDebug, string[] architectures, AotOptions aotOpts, string aotTempDir, IDictionary<string, string> assemblies, string bclDir)
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{
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var cppCode = new StringBuilder();
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var aotModuleInfoSymbols = new List<string>(assemblies.Count);
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// {arch: paths}
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var objFilePathsForiOSArch = architectures.ToDictionary(arch => arch, arch => new List<string>(assemblies.Count));
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foreach (var assembly in assemblies)
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{
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string assemblyName = assembly.Key;
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string assemblyPath = assembly.Value;
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string asmFileName = assemblyName + ".dll.S";
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string objFileName = assemblyName + ".dll.o";
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foreach (string arch in architectures)
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{
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string aotArchTempDir = Path.Combine(aotTempDir, arch);
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string asmFilePath = Path.Combine(aotArchTempDir, asmFileName);
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var compilerArgs = GetAotCompilerArgs(OS.Platforms.iOS, isDebug, arch, aotOpts, assemblyPath, asmFilePath);
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// Make sure the output directory exists
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Directory.CreateDirectory(aotArchTempDir);
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string compilerDirPath = Path.Combine(GodotSharpDirs.DataEditorToolsDir, "aot-compilers", $"{OS.Platforms.iOS}-{arch}");
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ExecuteCompiler(FindCrossCompiler(compilerDirPath), compilerArgs, bclDir);
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// Assembling
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bool isSim = arch == "i386" || arch == "x86_64"; // Shouldn't really happen as we don't do AOT for the simulator
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string versionMinName = isSim ? "iphonesimulator" : "iphoneos";
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string iOSPlatformName = isSim ? "iPhoneSimulator" : "iPhoneOS";
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const string versionMin = "10.0"; // TODO: Turn this hard-coded version into an exporter setting
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string iOSSdkPath = Path.Combine(XcodeHelper.XcodePath,
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$"Contents/Developer/Platforms/{iOSPlatformName}.platform/Developer/SDKs/{iOSPlatformName}.sdk");
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string objFilePath = Path.Combine(aotArchTempDir, objFileName);
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var clangArgs = new List<string>()
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{
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"-isysroot", iOSSdkPath,
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"-Qunused-arguments",
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$"-m{versionMinName}-version-min={versionMin}",
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"-arch", arch,
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"-c",
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"-o", objFilePath,
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"-x", "assembler"
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};
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if (isDebug)
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clangArgs.Add("-DDEBUG");
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clangArgs.Add(asmFilePath);
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int clangExitCode = OS.ExecuteCommand(XcodeHelper.FindXcodeTool("clang"), clangArgs);
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if (clangExitCode != 0)
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throw new Exception($"Command 'clang' exited with code: {clangExitCode}");
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objFilePathsForiOSArch[arch].Add(objFilePath);
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}
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aotModuleInfoSymbols.Add($"mono_aot_module_{AssemblyNameToAotSymbol(assemblyName)}_info");
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}
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// Generate driver code
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cppCode.AppendLine("#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)");
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cppCode.AppendLine("#define IOS_DEVICE");
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cppCode.AppendLine("#endif");
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cppCode.AppendLine("#ifdef IOS_DEVICE");
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cppCode.AppendLine("extern \"C\" {");
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cppCode.AppendLine("// Mono API");
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cppCode.AppendLine(@"
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typedef enum {
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MONO_AOT_MODE_NONE,
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MONO_AOT_MODE_NORMAL,
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MONO_AOT_MODE_HYBRID,
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MONO_AOT_MODE_FULL,
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MONO_AOT_MODE_LLVMONLY,
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MONO_AOT_MODE_INTERP,
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MONO_AOT_MODE_INTERP_LLVMONLY,
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MONO_AOT_MODE_LLVMONLY_INTERP,
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MONO_AOT_MODE_LAST = 1000,
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} MonoAotMode;");
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cppCode.AppendLine("void mono_jit_set_aot_mode(MonoAotMode);");
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cppCode.AppendLine("void mono_aot_register_module(void *);");
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if (aotOpts.UseInterpreter)
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{
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cppCode.AppendLine("void mono_ee_interp_init(const char *);");
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cppCode.AppendLine("void mono_icall_table_init();");
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cppCode.AppendLine("void mono_marshal_ilgen_init();");
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cppCode.AppendLine("void mono_method_builder_ilgen_init();");
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cppCode.AppendLine("void mono_sgen_mono_ilgen_init();");
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}
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foreach (string symbol in aotModuleInfoSymbols)
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cppCode.AppendLine($"extern void *{symbol};");
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cppCode.AppendLine("void gd_mono_setup_aot() {");
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foreach (string symbol in aotModuleInfoSymbols)
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cppCode.AppendLine($"\tmono_aot_register_module({symbol});");
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if (aotOpts.UseInterpreter)
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{
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cppCode.AppendLine("\tmono_icall_table_init();");
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cppCode.AppendLine("\tmono_marshal_ilgen_init();");
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cppCode.AppendLine("\tmono_method_builder_ilgen_init();");
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cppCode.AppendLine("\tmono_sgen_mono_ilgen_init();");
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cppCode.AppendLine("\tmono_ee_interp_init(0);");
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}
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string aotModeStr = null;
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if (aotOpts.LLVMOnly)
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{
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aotModeStr = "MONO_AOT_MODE_LLVMONLY"; // --aot=llvmonly
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}
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else
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{
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if (aotOpts.UseInterpreter)
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aotModeStr = "MONO_AOT_MODE_INTERP"; // --aot=interp or --aot=interp,full
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else if (aotOpts.FullAot)
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aotModeStr = "MONO_AOT_MODE_FULL"; // --aot=full
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}
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// One of the options above is always set for iOS
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Debug.Assert(aotModeStr != null);
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cppCode.AppendLine($"\tmono_jit_set_aot_mode({aotModeStr});");
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cppCode.AppendLine("} // gd_mono_setup_aot");
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cppCode.AppendLine("} // extern \"C\"");
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cppCode.AppendLine("#endif // IOS_DEVICE");
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// Add the driver code to the Xcode project
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exporter.AddIosCppCode(cppCode.ToString());
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// Archive the AOT object files into a static library
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var arFilePathsForAllArchs = new List<string>();
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string projectAssemblyName = GodotSharpEditor.ProjectAssemblyName;
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foreach (var archPathsPair in objFilePathsForiOSArch)
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{
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string arch = archPathsPair.Key;
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var objFilePaths = archPathsPair.Value;
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string arOutputFilePath = Path.Combine(aotTempDir, $"lib-aot-{projectAssemblyName}.{arch}.a");
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var arArgs = new List<string>()
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{
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"cr",
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arOutputFilePath
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};
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foreach (string objFilePath in objFilePaths)
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arArgs.Add(objFilePath);
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int arExitCode = OS.ExecuteCommand(XcodeHelper.FindXcodeTool("ar"), arArgs);
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if (arExitCode != 0)
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throw new Exception($"Command 'ar' exited with code: {arExitCode}");
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arFilePathsForAllArchs.Add(arOutputFilePath);
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}
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// It's lipo time
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string fatOutputFileName = $"lib-aot-{projectAssemblyName}.fat.a";
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string fatOutputFilePath = Path.Combine(aotTempDir, fatOutputFileName);
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var lipoArgs = new List<string>();
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lipoArgs.Add("-create");
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lipoArgs.AddRange(arFilePathsForAllArchs);
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lipoArgs.Add("-output");
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lipoArgs.Add(fatOutputFilePath);
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int lipoExitCode = OS.ExecuteCommand(XcodeHelper.FindXcodeTool("lipo"), lipoArgs);
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if (lipoExitCode != 0)
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throw new Exception($"Command 'lipo' exited with code: {lipoExitCode}");
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// TODO: Add the AOT lib and interpreter libs as device only to suppress warnings when targeting the simulator
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// Add the fat AOT static library to the Xcode project
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exporter.AddIosProjectStaticLib(fatOutputFilePath);
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// Add the required Mono libraries to the Xcode project
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string MonoLibFile(string libFileName) => libFileName + ".iphone.fat.a";
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string MonoLibFromTemplate(string libFileName) =>
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Path.Combine(Internal.FullTemplatesDir, "iphone-mono-libs", MonoLibFile(libFileName));
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exporter.AddIosProjectStaticLib(MonoLibFromTemplate("libmonosgen-2.0"));
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exporter.AddIosProjectStaticLib(MonoLibFromTemplate("libmono-native"));
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if (aotOpts.UseInterpreter)
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{
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exporter.AddIosProjectStaticLib(MonoLibFromTemplate("libmono-ee-interp"));
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exporter.AddIosProjectStaticLib(MonoLibFromTemplate("libmono-icall-table"));
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exporter.AddIosProjectStaticLib(MonoLibFromTemplate("libmono-ilgen"));
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}
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// TODO: Turn into an exporter option
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bool enableProfiling = false;
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if (enableProfiling)
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exporter.AddIosProjectStaticLib(MonoLibFromTemplate("libmono-profiler-log"));
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// Add frameworks required by Mono to the Xcode project
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exporter.AddIosFramework("libiconv.tbd");
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exporter.AddIosFramework("GSS.framework");
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exporter.AddIosFramework("CFNetwork.framework");
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// Force load and export dynamic are needed for the linker to not strip required symbols.
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// In theory we shouldn't be relying on this for P/Invoked functions (as is the case with
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// functions in System.Native/libmono-native). Instead, we should use cecil to search for
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// DllImports in assemblies and pass them to 'ld' as '-u/--undefined {pinvoke_symbol}'.
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exporter.AddIosLinkerFlags("-rdynamic");
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exporter.AddIosLinkerFlags($"-force_load \"$(SRCROOT)/{MonoLibFile("libmono-native")}\"");
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}
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/// Converts an assembly name to a valid symbol name in the same way the AOT compiler does
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private static string AssemblyNameToAotSymbol(string assemblyName)
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{
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var builder = new StringBuilder();
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foreach (var charByte in Encoding.UTF8.GetBytes(assemblyName))
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{
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char @char = (char)charByte;
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builder.Append(Char.IsLetterOrDigit(@char) || @char == '_' ? @char : '_');
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}
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return builder.ToString();
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}
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private static IEnumerable<string> GetAotCompilerArgs(string platform, bool isDebug, string target, AotOptions aotOpts, string assemblyPath, string outputFilePath)
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{
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// TODO: LLVM
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bool aotSoftDebug = isDebug && !aotOpts.EnableLLVM;
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bool aotDwarfDebug = platform == OS.Platforms.iOS;
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var aotOptions = new List<string>();
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var optimizerOptions = new List<string>();
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if (aotOpts.LLVMOnly)
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{
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aotOptions.Add("llvmonly");
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}
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else
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{
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// Can be both 'interp' and 'full'
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if (aotOpts.UseInterpreter)
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aotOptions.Add("interp");
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if (aotOpts.FullAot)
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aotOptions.Add("full");
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}
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aotOptions.Add(aotSoftDebug ? "soft-debug" : "nodebug");
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if (aotDwarfDebug)
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aotOptions.Add("dwarfdebug");
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if (platform == OS.Platforms.Android)
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{
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string abi = target;
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string androidToolchain = aotOpts.ToolchainPath;
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if (string.IsNullOrEmpty(androidToolchain))
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{
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androidToolchain = Path.Combine(GodotSharpDirs.DataEditorToolsDir, "android-toolchains", $"{abi}"); // TODO: $"{abi}-{apiLevel}{(clang?"clang":"")}"
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if (!Directory.Exists(androidToolchain))
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throw new FileNotFoundException("Missing android toolchain. Specify one in the AOT export settings.");
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}
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else if (!Directory.Exists(androidToolchain))
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{
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throw new FileNotFoundException("Android toolchain not found: " + androidToolchain);
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}
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var androidToolPrefixes = new Dictionary<string, string>
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{
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["armeabi-v7a"] = "arm-linux-androideabi-",
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["arm64-v8a"] = "aarch64-linux-android-",
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["x86"] = "i686-linux-android-",
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["x86_64"] = "x86_64-linux-android-"
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};
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aotOptions.Add("tool-prefix=" + Path.Combine(androidToolchain, "bin", androidToolPrefixes[abi]));
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string triple = GetAndroidTriple(abi);
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aotOptions.Add($"mtriple={triple}");
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}
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else if (platform == OS.Platforms.iOS)
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{
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if (!aotOpts.LLVMOnly && !aotOpts.UseInterpreter)
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optimizerOptions.Add("gsharedvt");
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aotOptions.Add("static");
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// I couldn't get the Mono cross-compiler to do assembling, so we'll have to do it ourselves
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aotOptions.Add("asmonly");
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aotOptions.Add("direct-icalls");
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if (aotSoftDebug)
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aotOptions.Add("no-direct-calls");
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if (aotOpts.LLVMOnly || !aotOpts.UseInterpreter)
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aotOptions.Add("direct-pinvoke");
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string arch = target;
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aotOptions.Add($"mtriple={arch}-ios");
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}
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aotOptions.Add($"outfile={outputFilePath}");
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if (aotOpts.EnableLLVM)
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{
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aotOptions.Add($"llvm-path={aotOpts.LLVMPath}");
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aotOptions.Add($"llvm-outfile={aotOpts.LLVMOutputPath}");
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}
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if (aotOpts.ExtraAotOptions.Length > 0)
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aotOptions.AddRange(aotOpts.ExtraAotOptions);
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|
if (aotOpts.ExtraOptimizerOptions.Length > 0)
|
|
optimizerOptions.AddRange(aotOpts.ExtraOptimizerOptions);
|
|
|
|
string EscapeOption(string option) => option.Contains(',') ? $"\"{option}\"" : option;
|
|
string OptionsToString(IEnumerable<string> options) => string.Join(",", options.Select(EscapeOption));
|
|
|
|
var runtimeArgs = new List<string>();
|
|
|
|
// The '--debug' runtime option is required when using the 'soft-debug' and 'dwarfdebug' AOT options
|
|
if (aotSoftDebug || aotDwarfDebug)
|
|
runtimeArgs.Add("--debug");
|
|
|
|
if (aotOpts.EnableLLVM)
|
|
runtimeArgs.Add("--llvm");
|
|
|
|
runtimeArgs.Add(aotOptions.Count > 0 ? $"--aot={OptionsToString(aotOptions)}" : "--aot");
|
|
|
|
if (optimizerOptions.Count > 0)
|
|
runtimeArgs.Add($"-O={OptionsToString(optimizerOptions)}");
|
|
|
|
runtimeArgs.Add(assemblyPath);
|
|
|
|
return runtimeArgs;
|
|
}
|
|
|
|
private static void ExecuteCompiler(string compiler, IEnumerable<string> compilerArgs, string bclDir)
|
|
{
|
|
// TODO: Once we move to .NET Standard 2.1 we can use ProcessStartInfo.ArgumentList instead
|
|
string CmdLineArgsToString(IEnumerable<string> args)
|
|
{
|
|
// Not perfect, but as long as we are careful...
|
|
return string.Join(" ", args.Select(arg => arg.Contains(" ") ? $@"""{arg}""" : arg));
|
|
}
|
|
|
|
using (var process = new Process())
|
|
{
|
|
process.StartInfo = new ProcessStartInfo(compiler, CmdLineArgsToString(compilerArgs))
|
|
{
|
|
UseShellExecute = false
|
|
};
|
|
|
|
process.StartInfo.EnvironmentVariables.Remove("MONO_ENV_OPTIONS");
|
|
process.StartInfo.EnvironmentVariables.Remove("MONO_THREADS_SUSPEND");
|
|
process.StartInfo.EnvironmentVariables.Add("MONO_PATH", bclDir);
|
|
|
|
Console.WriteLine($"Running: \"{process.StartInfo.FileName}\" {process.StartInfo.Arguments}");
|
|
|
|
if (!process.Start())
|
|
throw new Exception("Failed to start process for Mono AOT compiler");
|
|
|
|
process.WaitForExit();
|
|
|
|
if (process.ExitCode != 0)
|
|
throw new Exception($"Mono AOT compiler exited with code: {process.ExitCode}");
|
|
}
|
|
}
|
|
|
|
private static IEnumerable<string> GetEnablediOSArchs(string[] features)
|
|
{
|
|
var iosArchs = new[]
|
|
{
|
|
"armv7",
|
|
"arm64"
|
|
};
|
|
|
|
return iosArchs.Where(features.Contains);
|
|
}
|
|
|
|
private static IEnumerable<string> GetEnabledAndroidAbis(string[] features)
|
|
{
|
|
var androidAbis = new[]
|
|
{
|
|
"armeabi-v7a",
|
|
"arm64-v8a",
|
|
"x86",
|
|
"x86_64"
|
|
};
|
|
|
|
return androidAbis.Where(features.Contains);
|
|
}
|
|
|
|
private static string GetAndroidTriple(string abi)
|
|
{
|
|
var abiArchs = new Dictionary<string, string>
|
|
{
|
|
["armeabi-v7a"] = "armv7",
|
|
["arm64-v8a"] = "aarch64-v8a",
|
|
["x86"] = "i686",
|
|
["x86_64"] = "x86_64"
|
|
};
|
|
|
|
string arch = abiArchs[abi];
|
|
|
|
return $"{arch}-linux-android";
|
|
}
|
|
|
|
private static string GetMonoCrossDesktopDirName(string platform, string bits)
|
|
{
|
|
switch (platform)
|
|
{
|
|
case OS.Platforms.Windows:
|
|
case OS.Platforms.UWP:
|
|
{
|
|
string arch = bits == "64" ? "x86_64" : "i686";
|
|
return $"windows-{arch}";
|
|
}
|
|
case OS.Platforms.MacOS:
|
|
{
|
|
Debug.Assert(bits == null || bits == "64");
|
|
string arch = "x86_64";
|
|
return $"{platform}-{arch}";
|
|
}
|
|
case OS.Platforms.LinuxBSD:
|
|
case OS.Platforms.Server:
|
|
{
|
|
string arch = bits == "64" ? "x86_64" : "i686";
|
|
return $"linux-{arch}";
|
|
}
|
|
case OS.Platforms.Haiku:
|
|
{
|
|
string arch = bits == "64" ? "x86_64" : "i686";
|
|
return $"{platform}-{arch}";
|
|
}
|
|
default:
|
|
throw new NotSupportedException($"Platform not supported: {platform}");
|
|
}
|
|
}
|
|
|
|
// TODO: Replace this for a specific path for each platform
|
|
private static string FindCrossCompiler(string monoCrossBin)
|
|
{
|
|
string exeExt = OS.IsWindows ? ".exe" : string.Empty;
|
|
|
|
var files = new DirectoryInfo(monoCrossBin).GetFiles($"*mono-sgen{exeExt}", SearchOption.TopDirectoryOnly);
|
|
if (files.Length > 0)
|
|
return Path.Combine(monoCrossBin, files[0].Name);
|
|
|
|
throw new FileNotFoundException($"Cannot find the mono runtime executable in {monoCrossBin}");
|
|
}
|
|
}
|
|
}
|