8329564: [JVMCI] TranslatedException::debugPrintStackTrace does not work in the libjvmci compiler.

Reviewed-by: dnsimon

src/hotspot/share/classfile/vmSymbols.hpp

@@ -764,7 +764,7 @@ class SerializeClosure;
   template(decodeAndThrowThrowable_name,               "decodeAndThrowThrowable")                                 \
   template(encodeAnnotations_name,                     "encodeAnnotations")                                       \
   template(encodeAnnotations_signature,                "([BLjava/lang/Class;Ljdk/internal/reflect/ConstantPool;Z[Ljava/lang/Class;)[B")\
-  template(decodeAndThrowThrowable_signature,          "(IJZ)V")                                                  \
+  template(decodeAndThrowThrowable_signature,          "(IJZZ)V")                                                 \
   template(classRedefinedCount_name,                   "classRedefinedCount")                                     \
   template(classLoader_name,                           "classLoader")                                             \
   template(componentType_name,                         "componentType")                                           \

src/hotspot/share/jvmci/jvmciEnv.cpp

@@ -36,11 +36,11 @@
 #include "oops/objArrayKlass.hpp"
 #include "oops/typeArrayOop.inline.hpp"
 #include "prims/jvmtiExport.hpp"
+#include "runtime/arguments.hpp"
 #include "runtime/deoptimization.hpp"
 #include "runtime/fieldDescriptor.inline.hpp"
 #include "runtime/jniHandles.inline.hpp"
 #include "runtime/javaCalls.hpp"
-#include "runtime/thread.inline.hpp"
 #include "runtime/os.hpp"
 #include "jvmci/jniAccessMark.inline.hpp"
 #include "jvmci/jvmciCompiler.hpp"
@@ -415,6 +415,11 @@ class ExceptionTranslation: public StackObj {
   // Decodes the exception in `buffer` in `_to_env` and throws it.
   virtual void decode(JavaThread* THREAD, DecodeFormat format, jlong buffer) = 0;
 
+  static bool debug_translated_exception() {
+      const char* prop_value = Arguments::get_property("jdk.internal.vm.TranslatedException.debug");
+      return prop_value != nullptr && strcmp("true", prop_value) == 0;
+  }
+
  public:
   void doit(JavaThread* THREAD) {
     int buffer_size = 2048;
@@ -510,7 +515,7 @@ class HotSpotToSharedLibraryExceptionTranslation : public ExceptionTranslation {
     JNIAccessMark jni(_to_env, THREAD);
     jni()->CallStaticVoidMethod(JNIJVMCI::VMSupport::clazz(),
                                 JNIJVMCI::VMSupport::decodeAndThrowThrowable_method(),
-                                format, buffer, false);
+                                format, buffer, false, debug_translated_exception());
   }
  public:
   HotSpotToSharedLibraryExceptionTranslation(JVMCIEnv* hotspot_env, JVMCIEnv* jni_env, const Handle& throwable) :
@@ -543,6 +548,7 @@ class SharedLibraryToHotSpotExceptionTranslation : public ExceptionTranslation {
     jargs.push_int(format);
     jargs.push_long(buffer);
     jargs.push_int(true);
+    jargs.push_int(debug_translated_exception());
     JavaValue result(T_VOID);
     JavaCalls::call_static(&result,
                             vmSupport,

src/java.base/share/classes/jdk/internal/vm/TranslatedException.java

@@ -122,26 +122,26 @@ final class TranslatedException extends Exception {
      * Prints a stack trace for {@code throwable} if the system property
      * {@code "jdk.internal.vm.TranslatedException.debug"} is true.
      */
-    private static void debugPrintStackTrace(Throwable throwable) {
+    private static void debugPrintStackTrace(Throwable throwable, boolean debug) {
-        if (Boolean.getBoolean("jdk.internal.vm.TranslatedException.debug")) {
+        if (debug) {
             System.err.print("DEBUG: ");
             throwable.printStackTrace();
         }
     }
 
-    private static Throwable initCause(Throwable throwable, Throwable cause) {
+    private static Throwable initCause(Throwable throwable, Throwable cause, boolean debug) {
         if (cause != null) {
             try {
                 throwable.initCause(cause);
             } catch (IllegalStateException e) {
                 // Cause could not be set or overwritten.
-                debugPrintStackTrace(e);
+                debugPrintStackTrace(e, debug);
             }
         }
         return throwable;
     }
 
-    private static Throwable create(String className, String message, Throwable cause) {
+    private static Throwable create(String className, String message, Throwable cause, boolean debug) {
         // Try create with reflection first.
         try {
             Class<?> cls = Class.forName(className);
@@ -157,13 +157,13 @@ final class TranslatedException extends Exception {
             }
             if (message == null) {
                 Constructor<?> cons = cls.getConstructor();
-                return initCause((Throwable) cons.newInstance(), cause);
+                return initCause((Throwable) cons.newInstance(), cause, debug);
             }
             Constructor<?> cons = cls.getDeclaredConstructor(String.class);
-            return initCause((Throwable) cons.newInstance(message), cause);
+            return initCause((Throwable) cons.newInstance(message), cause, debug);
         } catch (Throwable translationFailure) {
-            debugPrintStackTrace(translationFailure);
+            debugPrintStackTrace(translationFailure, debug);
-            return initCause(new TranslatedException(message, className), cause);
+            return initCause(new TranslatedException(message, className), cause, debug);
         }
     }
 
@@ -253,7 +253,7 @@ final class TranslatedException extends Exception {
      * @param encodedThrowable an encoded exception in the format specified by
      *            {@link #encodeThrowable}
      */
-    static Throwable decodeThrowable(byte[] encodedThrowable) {
+    static Throwable decodeThrowable(byte[] encodedThrowable, boolean debug) {
         ByteArrayInputStream bais = new ByteArrayInputStream(encodedThrowable);
         try (DataInputStream dis = new DataInputStream(new GZIPInputStream(bais))) {
             Throwable cause = null;
@@ -262,7 +262,7 @@ final class TranslatedException extends Exception {
             while (dis.available() != 0) {
                 String exceptionClassName = dis.readUTF();
                 String exceptionMessage = emptyAsNull(dis.readUTF());
-                throwable = create(exceptionClassName, exceptionMessage, cause);
+                throwable = create(exceptionClassName, exceptionMessage, cause, debug);
                 int stackTraceDepth = dis.readInt();
                 StackTraceElement[] stackTrace = new StackTraceElement[stackTraceDepth + myStack.length];
                 int stackTraceIndex = 0;
@@ -310,7 +310,7 @@ final class TranslatedException extends Exception {
             }
             return throwable;
         } catch (Throwable translationFailure) {
-            debugPrintStackTrace(translationFailure);
+            debugPrintStackTrace(translationFailure, debug);
             return new TranslatedException("Error decoding exception: " + encodedThrowable,
                                            translationFailure.getClass().getName());
         }

src/java.base/share/classes/jdk/internal/vm/VMSupport.java

@@ -125,8 +125,9 @@ public class VMSupport {
      *            </pre>
      * @param buffer encoded info about the exception to throw (depends on {@code format})
      * @param inJVMHeap [@code true} if executing in the JVM heap, {@code false} otherwise
+     * @param debug specifies whether debug stack traces should be enabled in case of translation failure
      */
-    public static void decodeAndThrowThrowable(int format, long buffer, boolean inJVMHeap) throws Throwable {
+    public static void decodeAndThrowThrowable(int format, long buffer, boolean inJVMHeap, boolean debug) throws Throwable {
         if (format != 0) {
             String context = String.format("while encoding an exception to translate it %s the JVM heap",
                     inJVMHeap ? "to" : "from");
@@ -142,7 +143,7 @@ public class VMSupport {
             }
             throw new InternalError("unexpected problem occurred " + context);
         }
-        throw TranslatedException.decodeThrowable(bufferToBytes(buffer));
+        throw TranslatedException.decodeThrowable(bufferToBytes(buffer), debug);
     }
 
     private static byte[] bufferToBytes(long buffer) {

test/jdk/jdk/internal/vm/TestTranslatedException.java

@@ -60,7 +60,7 @@ public class TestTranslatedException {
         encodeDecode(throwable);
 
         try {
-            VMSupport.decodeAndThrowThrowable(0, 0L, true);
+            VMSupport.decodeAndThrowThrowable(0, 0L, true, false);
             throw new AssertionError("expected decodeAndThrowThrowable to throw an exception");
         } catch (NullPointerException decoded) {
             // Expected
@@ -69,7 +69,7 @@ public class TestTranslatedException {
         }
 
         try {
-            VMSupport.decodeAndThrowThrowable(1, 0L, true);
+            VMSupport.decodeAndThrowThrowable(1, 0L, true, false);
             throw new AssertionError("expected decodeAndThrowThrowable to throw an exception");
         } catch (InternalError decoded) {
             if (!decoded.getMessage().startsWith("native buffer could not be allocated")) {
@@ -80,7 +80,7 @@ public class TestTranslatedException {
         }
 
         try {
-            VMSupport.decodeAndThrowThrowable(2, 0L, true);
+            VMSupport.decodeAndThrowThrowable(2, 0L, true, false);
             throw new AssertionError("expected decodeAndThrowThrowable to throw an exception");
         } catch (OutOfMemoryError decoded) {
             // Expected
@@ -89,7 +89,7 @@ public class TestTranslatedException {
         }
 
         try {
-            VMSupport.decodeAndThrowThrowable(3, 0L, true);
+            VMSupport.decodeAndThrowThrowable(3, 0L, true, false);
             throw new AssertionError("expected decodeAndThrowThrowable to throw an exception");
         } catch (InternalError decoded) {
             // Expected
@@ -98,7 +98,7 @@ public class TestTranslatedException {
         }
 
         try {
-            VMSupport.decodeAndThrowThrowable(4, 0L, true);
+            VMSupport.decodeAndThrowThrowable(4, 0L, true, false);
             throw new AssertionError("expected decodeAndThrowThrowable to throw an exception");
         } catch (InternalError decoded) {
             // Expected
@@ -112,7 +112,7 @@ public class TestTranslatedException {
         try {
             unsafe.putInt(buffer, problem.length);
             unsafe.copyMemory(problem, Unsafe.ARRAY_BYTE_BASE_OFFSET, null, buffer + 4, problem.length);
-            VMSupport.decodeAndThrowThrowable(3, buffer, true);
+            VMSupport.decodeAndThrowThrowable(3, buffer, true, false);
             throw new AssertionError("expected decodeAndThrowThrowable to throw an exception");
         } catch (InternalError decoded) {
             String msg = decoded.getMessage();
@@ -139,7 +139,7 @@ public class TestTranslatedException {
                     bufferSize = -res;
                 } else {
                     try {
-                        VMSupport.decodeAndThrowThrowable(format, buffer, true);
+                        VMSupport.decodeAndThrowThrowable(format, buffer, true, false);
                         throw new AssertionError("expected decodeAndThrowThrowable to throw an exception");
                     } catch (Throwable decoded) {
                         assertThrowableEquals(throwable, decoded);