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Add unity debug symbols generation for Android #3

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Merged
Fernthedev merged 1 commit into from
Aug 25, 2026
Merged

Add unity debug symbols generation for Android #3

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5 changes: 5 additions & 0 deletions .github/workflows/il2cpp.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,7 @@ jobs:
unityVersion: ${{ matrix.unity }}
targetPlatform: ${{ matrix.target }}
buildsPath: build
androidSymbolType: ${{ matrix.target == 'Android' && 'debugging' || 'none' }}
gitPrivateToken: ${{ secrets.GITHUB_TOKEN }}
env:
UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
Expand Down Expand Up @@ -102,6 +103,10 @@ jobs:
apk=$(find "build/${{ matrix.target }}" -maxdepth 1 -name '*.apk' | head -n1)
unzip -p "$apk" lib/arm64-v8a/libunity.so > "build/${{ matrix.target }}/libunity-unpatched.so"

symbols_zip=$(find "build/${{ matrix.target }}" -name '*.symbols.zip' | head -n1)
symbol_entry=$(unzip -Z1 "$symbols_zip" | grep -E '(^|/)arm64-v8a/libunity(\.so|\.(sym|dbg)\.so|\.so\.(sym|dbg))$')
unzip -p "$symbols_zip" "$symbol_entry" > "build/${{ matrix.target }}/libunity.sym.so"

curl -L -o patcher.zip "https://security-patches.unity.com/bc0977e0-21a9-4f6e-9414-4f44b242110a/unity-patcher/UnityApplicationPatcher-1.3.3-Linux.zip"
mkdir -p unity-application-patcher
unzip -q patcher.zip -d unity-application-patcher
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24 changes: 24 additions & 0 deletions Assets/Editor/BuildLibunity.cs
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Expand Up @@ -148,6 +148,8 @@ static async Task Build(BuildTarget target)
options = BuildOptions.None,
};
// Build the player for the requested target
if(target == BuildTarget.Android) EditorUserBuildSettings.androidCreateSymbols = AndroidCreateSymbols.Debugging;
if(target == BuildTarget.Android) EditorUserBuildSettings.androidCreateSymbolsZip = true;
var build = BuildPipeline.BuildPlayer(options);
if(build.summary.result != UnityEditor.Build.Reporting.BuildResult.Succeeded)
{
Expand All @@ -156,6 +158,28 @@ static async Task Build(BuildTarget target)

if(target == BuildTarget.Android)
{
var buildDirectory = Path.GetDirectoryName(outputFile)!;
var symbolsZip = Directory.EnumerateFiles(buildDirectory, "*.symbols.zip", SearchOption.TopDirectoryOnly)
.Where(path => File.GetLastWriteTimeUtc(path) >= build.summary.buildStartedAt.ToUniversalTime())
.OrderByDescending(File.GetLastWriteTimeUtc)
.FirstOrDefault();
if(symbolsZip == null)
{
throw new FileNotFoundException($"Could not find the symbols package generated for '{outputFile}'");
}

using (ZipArchive symbolsArchive = ZipFile.OpenRead(symbolsZip))
{
var symbolsEntry = symbolsArchive.Entries.FirstOrDefault(entry =>
entry.Name == "libunity.so" || entry.Name == "libunity.sym.so" || entry.Name == "libunity.dbg.so" ||
entry.Name == "libunity.so.sym" || entry.Name == "libunity.so.dbg");
if(symbolsEntry == null)
{
throw new FileNotFoundException($"Could not find libunity symbols in '{symbolsZip}'");
}
symbolsEntry.ExtractToFile(Path.Join(Application.dataPath, "..", "libunity.sym.so"), overwrite: true);
}

// Android needs the extra patch-and-extract pass
await PatchAndroidLibunity(outputFile);
}
Expand Down
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