8271461: CompileCommand support for hidden class methods

src/hotspot/share/compiler/methodMatcher.cpp

@@ -115,8 +115,21 @@ bool MethodMatcher::canonicalize(char * line, const char *& error_msg) {
         }
 
         if (*lp == '/') {
-          error_msg = "Method pattern uses '/' together with '::'";
-          return false;
+          // Check wether it's a hidden class method.
+          // According to ClassFileParser::mangle_hidden_class_name, the pattern of
+          // hidden class name in the VM should be: _class_name, "+", and &ik
+          // But "+" will be replaced with "/" when it is printed by PrintCompilation.
+          // So if "/" is followed with a digit or "*", it may be a hidden class method.
+          // There may be false positive cases, but all of them are harmless and won't make anything worse.
+          char next = *(lp + 1);
+          if (('0' <= next && next <= '9') || next == '*') {
+            // May be a hidden class method, so replace '/' with '+'
+            *lp = '+';
+          } else {
+            // Not a hidden class method
+            error_msg = "Method pattern uses '/' together with '::'";
+            return false;
+          }
         }
       }
     }

test/hotspot/jtreg/compiler/compilercontrol/TestHiddenClassMethod.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8271461
+ * @summary the CompileCommand support for hidden class methods
+ * @library /test/lib
+ * @requires vm.flagless
+ * @requires vm.compiler1.enabled | vm.compiler2.enabled
+ *
+ * @run driver compiler.compilercontrol.TestHiddenClassMethod
+ */
+
+package compiler.compilercontrol;
+
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+
+public class TestHiddenClassMethod {
+    public static void main(String[] args) throws Exception {
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+                "-XX:CompileCommand=exclude,java.util.ResourceBundle$$Lambda$1/0x00000008010413c8::run",
+                "-version");
+        OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
+        analyzer.shouldHaveExitValue(0);
+        analyzer.shouldNotContain("Error: Method pattern uses '/' together with '::'");
+
+        pb = ProcessTools.createJavaProcessBuilder(
+                "-XX:CompileCommand=exclude,java.util.ResourceBundle$$Lambda$1/*::run",
+                "-version");
+        analyzer = new OutputAnalyzer(pb.start());
+        analyzer.shouldHaveExitValue(0);
+        analyzer.shouldNotContain("Error: Method pattern uses '/' together with '::'");
+    }
+}