bool DoExecute()
{
var abis = SupportedAbis.Split(new char[] { ',', ';' }, StringSplitOptions.RemoveEmptyEntries);
var results = new List <ITaskItem> ();
string bundlepath = Path.Combine(TempOutputPath, "bundles");
if (!Directory.Exists(bundlepath))
{
Directory.CreateDirectory(bundlepath);
}
else
{
Directory.Delete(bundlepath, true);
}
foreach (var abi in abis)
{
AndroidTargetArch arch = AndroidTargetArch.Other;
switch (abi)
{
case "arm64":
case "arm64-v8a":
case "aarch64":
arch = AndroidTargetArch.Arm64;
break;
case "armeabi":
case "armeabi-v7a":
arch = AndroidTargetArch.Arm;
break;
case "x86":
arch = AndroidTargetArch.X86;
break;
case "x86_64":
arch = AndroidTargetArch.X86_64;
break;
case "mips":
arch = AndroidTargetArch.Mips;
break;
}
if (!NdkUtil.ValidateNdkPlatform(Log, AndroidNdkDirectory, arch, requireLibm:true))
{
return(false);
}
// FIXME: it is kind of hacky, we should have something like NdkUtil.GetMinimumApiLevelFor(arch).
int level = NdkUtil.IsNdk64BitArch(arch) ? 21 : arch == AndroidTargetArch.Arm ? 4 : 9;
var outpath = Path.Combine(bundlepath, abi);
if (!Directory.Exists(outpath))
{
Directory.CreateDirectory(outpath);
}
var clb = new CommandLineBuilder();
clb.AppendSwitch("--dos2unix=false");
clb.AppendSwitch("--nomain");
clb.AppendSwitch("--style");
clb.AppendSwitch("linux");
clb.AppendSwitch("-c");
clb.AppendSwitch("-o");
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "temp.c"));
clb.AppendSwitch("-oo");
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "assemblies.o"));
if (AutoDeps)
{
clb.AppendSwitch("--autodeps");
}
if (KeepTemp)
{
clb.AppendSwitch("--keeptemp");
}
clb.AppendSwitch("-z"); // Compress
clb.AppendFileNamesIfNotNull(Assemblies, " ");
var psi = new ProcessStartInfo()
{
FileName = MkbundlePath,
Arguments = clb.ToString(),
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
};
var gccNoQuotes = NdkUtil.GetNdkTool(AndroidNdkDirectory, arch, "gcc");
var gcc = '"' + gccNoQuotes + '"';
var gas = '"' + NdkUtil.GetNdkTool(AndroidNdkDirectory, arch, "as") + '"';
psi.EnvironmentVariables ["CC"] = gcc;
psi.EnvironmentVariables ["AS"] = gas;
Log.LogDebugMessage("CC=" + gcc);
Log.LogDebugMessage("AS=" + gas);
//psi.EnvironmentVariables ["PKG_CONFIG_PATH"] = Path.Combine (Path.GetDirectoryName (MonoDroidSdk.MandroidTool), "lib", abi);
Log.LogDebugMessage("[mkbundle] " + psi.FileName + " " + clb);
var proc = new Process();
proc.OutputDataReceived += OnMkbundleOutputData;
proc.ErrorDataReceived += OnMkbundleErrorData;
proc.StartInfo = psi;
proc.Start();
proc.BeginOutputReadLine();
proc.BeginErrorReadLine();
proc.WaitForExit();
if (proc.ExitCode != 0)
{
Log.LogCodedError("XA5102", "Conversion from assembly to native code failed. Exit code {0}", proc.ExitCode);
return(false);
}
// make some changes in the mkbundle output so that it does not require libmonodroid.so
var mkbundleOutput = File.ReadAllText(Path.Combine(outpath, "temp.c"));
mkbundleOutput = mkbundleOutput.Replace("void mono_mkbundle_init ()", "void mono_mkbundle_init (void (register_bundled_assemblies_func)(const MonoBundledAssembly **), void (register_config_for_assembly_func)(const char *, const char *))")
.Replace("mono_register_config_for_assembly (\"", "register_config_for_assembly_func (\"")
.Replace("install_dll_config_files (void)", "install_dll_config_files (void (register_config_for_assembly_func)(const char *, const char *))")
.Replace("install_dll_config_files ()", "install_dll_config_files (register_config_for_assembly_func)")
.Replace("mono_register_bundled_assemblies(", "register_bundled_assemblies_func(");
File.WriteAllText(Path.Combine(outpath, "temp.c"), mkbundleOutput);
// then compile temp.c into temp.o and ...
clb = new CommandLineBuilder();
clb.AppendSwitch("-c");
clb.AppendSwitch("-o");
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "temp.o"));
if (!string.IsNullOrWhiteSpace(IncludePath))
{
clb.AppendSwitch("-I");
clb.AppendFileNameIfNotNull(IncludePath);
}
clb.AppendSwitch("-I");
clb.AppendFileNameIfNotNull(NdkUtil.GetNdkPlatformIncludePath(AndroidNdkDirectory, arch, level));
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "temp.c"));
Log.LogDebugMessage("[CC] " + gcc + " " + clb);
if (MonoAndroidHelper.RunProcess(gccNoQuotes, clb.ToString(), OnCcOutputData, OnCcErrorData) != 0)
{
Log.LogCodedError("XA5103", "NDK C compiler resulted in an error. Exit code {0}", proc.ExitCode);
return(false);
}
// ... link temp.o and assemblies.o into app.so
clb = new CommandLineBuilder();
clb.AppendSwitch("--shared");
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "temp.o"));
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "assemblies.o"));
clb.AppendSwitch("-o");
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "libmonodroid_bundle_app.so"));
clb.AppendSwitch("-L");
clb.AppendFileNameIfNotNull(NdkUtil.GetNdkPlatformLibPath(AndroidNdkDirectory, arch, level));
clb.AppendSwitch("-lc");
clb.AppendSwitch("-lm");
clb.AppendSwitch("-ldl");
clb.AppendSwitch("-llog");
clb.AppendSwitch("-lz"); // Compress
string ld = NdkUtil.GetNdkTool(AndroidNdkDirectory, arch, "ld");
Log.LogMessage(MessageImportance.Normal, "[LD] " + ld + " " + clb);
if (MonoAndroidHelper.RunProcess(ld, clb.ToString(), OnLdOutputData, OnLdErrorData) != 0)
{
Log.LogCodedError("XA5201", "NDK Linker resulted in an error. Exit code {0}", proc.ExitCode);
return(false);
}
results.Add(new TaskItem(Path.Combine(outpath, "libmonodroid_bundle_app.so")));
}
OutputNativeLibraries = results.ToArray();
return(true);
}
bool DoExecute()
{
var results = new List <ITaskItem> ();
string bundlepath = Path.Combine(TempOutputPath, "bundles");
if (!Directory.Exists(bundlepath))
{
Directory.CreateDirectory(bundlepath);
}
else
{
Directory.Delete(bundlepath, true);
}
foreach (var abi in SupportedAbis)
{
AndroidTargetArch arch = AndroidTargetArch.Other;
switch (abi)
{
case "arm64":
case "arm64-v8a":
case "aarch64":
arch = AndroidTargetArch.Arm64;
break;
case "armeabi-v7a":
arch = AndroidTargetArch.Arm;
break;
case "x86":
arch = AndroidTargetArch.X86;
break;
case "x86_64":
arch = AndroidTargetArch.X86_64;
break;
case "mips":
arch = AndroidTargetArch.Mips;
break;
}
if (!NdkUtil.ValidateNdkPlatform(Log, AndroidNdkDirectory, arch, enableLLVM: false))
{
return(false);
}
int level = NdkUtil.GetMinimumApiLevelFor(arch, AndroidNdkDirectory);
var outpath = Path.Combine(bundlepath, abi);
if (!Directory.Exists(outpath))
{
Directory.CreateDirectory(outpath);
}
var clb = new CommandLineBuilder();
clb.AppendSwitch("--dos2unix=false");
clb.AppendSwitch("--nomain");
clb.AppendSwitch("--i18n none");
clb.AppendSwitch("--bundled-header");
clb.AppendSwitch("--mono-api-struct-path");
clb.AppendFileNameIfNotNull(BundleApiPath);
clb.AppendSwitch("--style");
clb.AppendSwitch("linux");
clb.AppendSwitch("-c");
clb.AppendSwitch("-o");
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "temp.c"));
clb.AppendSwitch("-oo");
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "assemblies.o"));
if (AutoDeps)
{
clb.AppendSwitch("--autodeps");
}
if (KeepTemp)
{
clb.AppendSwitch("--keeptemp");
}
clb.AppendSwitch("-z"); // Compress
clb.AppendFileNamesIfNotNull(Assemblies, " ");
var psi = new ProcessStartInfo()
{
FileName = MkbundlePath,
Arguments = clb.ToString(),
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
CreateNoWindow = true,
WindowStyle = ProcessWindowStyle.Hidden,
};
string windowsCompilerSwitches = NdkUtil.GetCompilerTargetParameters(AndroidNdkDirectory, arch, level);
var compilerNoQuotes = NdkUtil.GetNdkTool(AndroidNdkDirectory, arch, "gcc", level);
var compiler = $"\"{compilerNoQuotes}\" {windowsCompilerSwitches}".Trim();
var gas = '"' + NdkUtil.GetNdkTool(AndroidNdkDirectory, arch, "as", level) + '"';
psi.EnvironmentVariables ["CC"] = compiler;
psi.EnvironmentVariables ["AS"] = gas;
Log.LogDebugMessage("CC=" + compiler);
Log.LogDebugMessage("AS=" + gas);
//psi.EnvironmentVariables ["PKG_CONFIG_PATH"] = Path.Combine (Path.GetDirectoryName (MonoDroidSdk.MandroidTool), "lib", abi);
Log.LogDebugMessage("[mkbundle] " + psi.FileName + " " + clb);
var proc = new Process();
proc.OutputDataReceived += OnMkbundleOutputData;
proc.ErrorDataReceived += OnMkbundleErrorData;
proc.StartInfo = psi;
proc.Start();
proc.BeginOutputReadLine();
proc.BeginErrorReadLine();
proc.WaitForExit();
if (proc.ExitCode != 0)
{
Log.LogCodedError("XA5102", Properties.Resources.XA5102, proc.ExitCode);
return(false);
}
// then compile temp.c into temp.o and ...
clb = new CommandLineBuilder();
// See NdkUtils.GetNdkTool for reasons why
if (!String.IsNullOrEmpty(windowsCompilerSwitches))
{
clb.AppendTextUnquoted(windowsCompilerSwitches);
}
clb.AppendSwitch("-c");
// This is necessary only when unified headers are in use but it won't hurt to have it
// defined even if we don't use them
clb.AppendSwitch($"-D__ANDROID_API__={level}");
// This is necessary because of the injected code, which is reused between libmonodroid
// and the bundle
clb.AppendSwitch("-DANDROID");
clb.AppendSwitch("-o");
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "temp.o"));
if (!string.IsNullOrWhiteSpace(IncludePath))
{
clb.AppendSwitch("-I");
clb.AppendFileNameIfNotNull(IncludePath);
}
string asmIncludePath = NdkUtil.GetNdkAsmIncludePath(AndroidNdkDirectory, arch, level);
if (!String.IsNullOrEmpty(asmIncludePath))
{
clb.AppendSwitch("-I");
clb.AppendFileNameIfNotNull(asmIncludePath);
}
clb.AppendSwitch("-I");
clb.AppendFileNameIfNotNull(NdkUtil.GetNdkPlatformIncludePath(AndroidNdkDirectory, arch, level));
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "temp.c"));
Log.LogDebugMessage("[CC] " + compiler + " " + clb);
if (MonoAndroidHelper.RunProcess(compilerNoQuotes, clb.ToString(), OnCcOutputData, OnCcErrorData) != 0)
{
Log.LogCodedError("XA5103", Properties.Resources.XA5103, proc.ExitCode);
return(false);
}
// ... link temp.o and assemblies.o into app.so
clb = new CommandLineBuilder();
clb.AppendSwitch("--shared");
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "temp.o"));
clb.AppendFileNameIfNotNull(Path.Combine(outpath, "assemblies.o"));
// API23+ requires that the shared library has its soname set or it won't load
clb.AppendSwitch("-soname");
clb.AppendSwitch(BundleSharedLibraryName);
clb.AppendSwitch("-o");
clb.AppendFileNameIfNotNull(Path.Combine(outpath, BundleSharedLibraryName));
clb.AppendSwitch("-L");
clb.AppendFileNameIfNotNull(NdkUtil.GetNdkPlatformLibPath(AndroidNdkDirectory, arch, level));
clb.AppendSwitch("-lc");
clb.AppendSwitch("-lm");
clb.AppendSwitch("-ldl");
clb.AppendSwitch("-llog");
clb.AppendSwitch("-lz"); // Compress
string ld = NdkUtil.GetNdkTool(AndroidNdkDirectory, arch, "ld", level);
Log.LogMessage(MessageImportance.Normal, "[LD] " + ld + " " + clb);
if (MonoAndroidHelper.RunProcess(ld, clb.ToString(), OnLdOutputData, OnLdErrorData) != 0)
{
Log.LogCodedError("XA5201", Properties.Resources.XA5201, proc.ExitCode);
return(false);
}
results.Add(new TaskItem(Path.Combine(outpath, "libmonodroid_bundle_app.so")));
}
OutputNativeLibraries = results.ToArray();
return(true);
}
IEnumerable <Config> GetAotConfigs()
{
if (!Directory.Exists(AotOutputDirectory))
{
Directory.CreateDirectory(AotOutputDirectory);
}
var sdkBinDirectory = MonoAndroidHelper.GetOSBinPath();
foreach (var abi in SupportedAbis)
{
string aotCompiler = "";
string outdir = "";
string mtriple = "";
AndroidTargetArch arch;
switch (abi)
{
case "armeabi-v7a":
aotCompiler = Path.Combine(sdkBinDirectory, "cross-arm");
outdir = Path.Combine(AotOutputDirectory, "armeabi-v7a");
mtriple = "armv7-linux-gnueabi";
arch = AndroidTargetArch.Arm;
break;
case "arm64":
case "arm64-v8a":
case "aarch64":
aotCompiler = Path.Combine(sdkBinDirectory, "cross-arm64");
outdir = Path.Combine(AotOutputDirectory, "arm64-v8a");
mtriple = "aarch64-linux-android";
arch = AndroidTargetArch.Arm64;
break;
case "x86":
aotCompiler = Path.Combine(sdkBinDirectory, "cross-x86");
outdir = Path.Combine(AotOutputDirectory, "x86");
mtriple = "i686-linux-android";
arch = AndroidTargetArch.X86;
break;
case "x86_64":
aotCompiler = Path.Combine(sdkBinDirectory, "cross-x86_64");
outdir = Path.Combine(AotOutputDirectory, "x86_64");
mtriple = "x86_64-linux-android";
arch = AndroidTargetArch.X86_64;
break;
// case "mips":
default:
throw new Exception("Unsupported Android target architecture ABI: " + abi);
}
if (EnableLLVM && !NdkUtil.ValidateNdkPlatform(LogMessage, LogCodedError, AndroidNdkDirectory, arch, enableLLVM:EnableLLVM))
{
yield return(Config.Invalid);
yield break;
}
outdir = Path.GetFullPath(outdir);
if (!Directory.Exists(outdir))
{
Directory.CreateDirectory(outdir);
}
// dont use a full path if the outdir is withing the WorkingDirectory.
if (outdir.StartsWith(WorkingDirectory, StringComparison.InvariantCultureIgnoreCase))
{
outdir = outdir.Replace(WorkingDirectory + Path.DirectorySeparatorChar, string.Empty);
}
int level = 0;
string toolPrefix = EnableLLVM
? NdkUtil.GetNdkToolPrefix(AndroidNdkDirectory, arch, level = GetNdkApiLevel(AndroidNdkDirectory, AndroidApiLevel, arch))
: Path.Combine(AndroidBinUtilsDirectory, $"{NdkUtil.GetArchDirName (arch)}-");
var toolchainPath = toolPrefix.Substring(0, toolPrefix.LastIndexOf(Path.DirectorySeparatorChar));
var ldFlags = string.Empty;
if (EnableLLVM)
{
if (string.IsNullOrEmpty(AndroidNdkDirectory))
{
yield return(Config.Invalid);
yield break;
}
string androidLibPath = string.Empty;
try {
androidLibPath = NdkUtil.GetNdkPlatformLibPath(AndroidNdkDirectory, arch, level);
} catch (InvalidOperationException ex) {
Diagnostic.Error(5101, ex.Message);
}
string toolchainLibDir;
if (NdkUtil.UsingClangNDK)
{
toolchainLibDir = GetNdkToolchainLibraryDir(toolchainPath, arch);
}
else
{
toolchainLibDir = GetNdkToolchainLibraryDir(toolchainPath);
}
var libs = new List <string>();
if (NdkUtil.UsingClangNDK)
{
libs.Add($"-L{toolchainLibDir}");
libs.Add($"-L{androidLibPath}");
if (arch == AndroidTargetArch.Arm)
{
// Needed for -lunwind to work
string compilerLibDir = Path.Combine(toolchainPath, "..", "sysroot", "usr", "lib", NdkUtil.GetArchDirName(arch));
libs.Add($"-L{compilerLibDir}");
}
}
libs.Add($"\\\"{Path.Combine (toolchainLibDir, "libgcc.a")}\\\"");
libs.Add($"\\\"{Path.Combine (androidLibPath, "libc.so")}\\\"");
libs.Add($"\\\"{Path.Combine (androidLibPath, "libm.so")}\\\"");
ldFlags = string.Join(";", libs);
}
string ldName = String.Empty;
if (EnableLLVM)
{
ldName = NdkUtil.GetNdkTool(AndroidNdkDirectory, arch, "ld", level);
if (!String.IsNullOrEmpty(ldName))
{
ldName = Path.GetFileName(ldName);
if (ldName.IndexOf('-') >= 0)
{
ldName = ldName.Substring(ldName.LastIndexOf("-") + 1);
}
}
}
else
{
ldName = "ld";
}
foreach (var assembly in ResolvedAssemblies)
{
string outputFile = Path.Combine(outdir, string.Format("libaot-{0}.so",
Path.GetFileName(assembly.ItemSpec)));
string seqpointsFile = Path.Combine(outdir, string.Format("{0}.msym",
Path.GetFileName(assembly.ItemSpec)));
string tempDir = Path.Combine(outdir, Path.GetFileName(assembly.ItemSpec));
if (!Directory.Exists(tempDir))
{
Directory.CreateDirectory(tempDir);
}
List <string> aotOptions = new List <string> ();
if (Profiles != null && Profiles.Length > 0)
{
aotOptions.Add("profile-only");
foreach (var p in Profiles)
{
var fp = Path.GetFullPath(p.ItemSpec);
aotOptions.Add($"profile={fp}");
}
}
if (!string.IsNullOrEmpty(AotAdditionalArguments))
{
aotOptions.Add(AotAdditionalArguments);
}
if (sequencePointsMode == SequencePointsMode.Offline)
{
aotOptions.Add($"msym-dir={outdir}");
}
if (AotMode != AotMode.Normal)
{
aotOptions.Add(AotMode.ToString().ToLowerInvariant());
}
aotOptions.Add($"outfile={outputFile}");
aotOptions.Add("asmwriter");
aotOptions.Add($"mtriple={mtriple}");
aotOptions.Add($"tool-prefix={toolPrefix}");
aotOptions.Add($"llvm-path={sdkBinDirectory}");
aotOptions.Add($"temp-path={tempDir}");
if (!String.IsNullOrEmpty(ldName))
{
// MUST be before `ld-flags`, otherwise Mono fails to parse it on Windows
aotOptions.Add($"ld-name={ldName}");
}
aotOptions.Add($"ld-flags={ldFlags}");
// we need to quote the entire --aot arguments here to make sure it is parsed
// on windows as one argument. Otherwise it will be split up into multiple
// values, which wont work.
string aotOptionsStr = (EnableLLVM ? "--llvm " : "") + $"\"--aot={string.Join (",", aotOptions)}\"";
if (!string.IsNullOrEmpty(ExtraAotOptions))
{
aotOptionsStr += (aotOptions.Count > 0 ? " " : "") + ExtraAotOptions;
}
// Due to a Monodroid MSBuild bug we can end up with paths to assemblies that are not in the intermediate
// assembly directory (typically obj/assemblies). This can lead to problems with the Mono loader not being
// able to find their dependency laters, since framework assemblies are stored in different directories.
// This can happen when linking is disabled (AndroidLinkMode=None). Workaround this problem by resolving
// the paths to the right assemblies manually.
var resolvedPath = Path.GetFullPath(assembly.ItemSpec);
var intermediateAssemblyPath = Path.Combine(IntermediateAssemblyDir, Path.GetFileName(assembly.ItemSpec));
if (LinkMode.ToLowerInvariant() == "none")
{
if (!resolvedPath.Contains(IntermediateAssemblyDir) && File.Exists(intermediateAssemblyPath))
{
resolvedPath = intermediateAssemblyPath;
}
}
var assembliesPath = Path.GetFullPath(Path.GetDirectoryName(resolvedPath));
var assemblyPath = Path.GetFullPath(resolvedPath);
yield return(new Config(assembliesPath, aotCompiler, aotOptionsStr, assemblyPath, outputFile, Path.Combine(tempDir, "response.txt")));
}
}
}