[WIP] Adds debuginfo size to native-image output

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/NativeImageGenerator.java

@@ -672,7 +672,7 @@ private void doRun(Map<Method, CEntryPointData> entryPoints,
                 featureHandler.forEachFeature(feature -> feature.afterImageWrite(afterConfig));
             }
             reporter.printCreationEnd(imageTimer, writeTimer, image.getImageSize(), bb.getUniverse(), heap.getObjectCount(), image.getImageHeapSize(), codeCache.getCodeCacheSize(),
-                            codeCache.getCompilations().size());
+                            codeCache.getCompilations().size(), image.getDebugInfoSize());
             if (SubstrateOptions.BuildOutputBreakdowns.getValue()) {
                 ProgressReporter.singleton().printBreakdowns(compileQueue.getCompilationTasks(), image.getHeap().getObjects());
             }

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/image/AbstractImage.java

@@ -47,6 +47,7 @@ public abstract class AbstractImage {
     protected final NativeImageCodeCache codeCache;
     protected final List<HostedMethod> entryPoints;
     protected int resultingImageSize; // for statistical output
+    protected int debugInfoSize; // for statistical output
 
     public enum NativeImageKind {
         SHARED_LIBRARY(false) {
@@ -115,6 +116,10 @@ public int getImageSize() {
         return resultingImageSize;
     }
 
+    public int getDebugInfoSize() {
+        return debugInfoSize;
+    }
+
     public NativeLibraries getNativeLibs() {
         return nativeLibs;
     }

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/image/NativeImage.java

@@ -179,6 +179,12 @@ protected final void write(DebugContext context, Path outputFile) {
             throw shouldNotReachHere(ex);
         }
         resultingImageSize = (int) outputFile.toFile().length();
+        debugInfoSize = 0;
+        for (Element e : objectFile.getElements()) {
+            if (e.getName().contains(".debug")) {
+                debugInfoSize += e.getMemSize(objectFile.getDecisionsByElement());
+            }
+        }
         if (NativeImageOptions.PrintImageElementSizes.getValue()) {
             for (Element e : objectFile.getElements()) {
                 System.out.printf("PrintImageElementSizes:  size: %15d  name: %s\n", e.getMemSize(objectFile.getDecisionsByElement()), e.getElementName());

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/reporting/ProgressReporter.java

@@ -328,14 +328,18 @@ public void setDebugInfoTimer(Timer timer) {
     }
 
     public void printCreationEnd(Timer creationTimer, Timer writeTimer, int imageSize, AnalysisUniverse universe, int numHeapObjects, long imageHeapSize, int codeCacheSize,
-                    int numCompilations) {
+                    int numCompilations, int debugInfoSize) {
         printStageEnd(creationTimer.getTotalTime() + writeTimer.getTotalTime());
         String total = bytesToHuman("%4.2f", imageSize);
         l().a("%9s in total (%2.2f%% for ", total, codeCacheSize / (double) imageSize * 100).doclink("code area", "#glossary-code-area")
                         .a(" and %2.2f%% for ", imageHeapSize / (double) imageSize * 100).doclink("image heap", "#glossary-image-heap").a(")").flushln();
         l().a("%9s in code size: %,8d compilation units", bytesToHuman("%4.2f", codeCacheSize), numCompilations).flushln();
         long numInstantiatedClasses = universe.getTypes().stream().filter(t -> t.isInstantiated()).count();
         l().a("%9s in heap size: %,8d classes and %,d objects", bytesToHuman("%4.2f", imageHeapSize), numInstantiatedClasses, numHeapObjects).flushln();
+        if (debugInfoSize > 0) {
+            // TODO print number of DIEs etc.
+            l().a("%9s in debugInfo size", bytesToHuman("%4.2f", debugInfoSize)).flushln();
+        }
         if (debugInfoTimer != null) {
             String debugInfoTime = String.format("%.1fs", millisToSeconds(debugInfoTimer.getTotalTime()));
             l().dim().a("%9s for generating debug info", debugInfoTime).reset().flushln();