test/lib/sun/hotspot/WhiteBox.java

rev 1945 : 8150646: Add support for blocking compiles though whitebox API
Reviewed-by: kvn, ppunegov, simonis, neliasso
Contributed-by: nils.eliasson@oracle.com, volker.simonis@gmail.com

*** 1,7 ****
  /*
!  * Copyright (c) 2012, 2015, Oracle and/or its affiliates. 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.
--- 1,7 ----
  /*
!  * Copyright (c) 2012, 2016, Oracle and/or its affiliates. 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.
*** 301,316 ****
    public         boolean testSetForceInlineMethod(Executable method, boolean value) {
      Objects.requireNonNull(method);
      return testSetForceInlineMethod0(method, value);
    }
    public        boolean enqueueMethodForCompilation(Executable method, int compLevel) {
!     return enqueueMethodForCompilation(method, compLevel, -1 /*InvocationEntryBci*/);
    }
    private native boolean enqueueMethodForCompilation0(Executable method, int compLevel, int entry_bci);
    public  boolean enqueueMethodForCompilation(Executable method, int compLevel, int entry_bci) {
!     Objects.requireNonNull(method);
!     return enqueueMethodForCompilation0(method, compLevel, entry_bci);
    }
    private native void    clearMethodState0(Executable method);
    public         void    clearMethodState(Executable method) {
      Objects.requireNonNull(method);
      clearMethodState0(method);
--- 301,335 ----
    public         boolean testSetForceInlineMethod(Executable method, boolean value) {
      Objects.requireNonNull(method);
      return testSetForceInlineMethod0(method, value);
    }
    public        boolean enqueueMethodForCompilation(Executable method, int compLevel) {
!     return enqueueMethodForCompilation(method, compLevel, -1 /*InvocationEntryBci*/, false);
!   }
!   // This is a convenience method for doing blocking compiles.
!   // It adds a new compiler directive which may shadow previously added directives!
!   public        boolean enqueueMethodForCompilation(Executable method, int compLevel, boolean block) {
!         return enqueueMethodForCompilation(method, compLevel, -1 /*InvocationEntryBci*/, block);
    }
    private native boolean enqueueMethodForCompilation0(Executable method, int compLevel, int entry_bci);
    public  boolean enqueueMethodForCompilation(Executable method, int compLevel, int entry_bci) {
!     return enqueueMethodForCompilation(method, compLevel, entry_bci, false);
!   }
!   // This is a convenience method for doing blocking compiles.
!   // It adds a new compiler directive which may shadow previously added directives!
!   public  boolean enqueueMethodForCompilation(Executable method, int compLevel, int entry_bci, boolean block) {
!     Objects.requireNonNull(method);
!     if (block) {
!       String comp = (compLevel == 4) ? "c2: {" : "c1: {";
!       addCompilerDirective("[{ match: \"" + method.getDeclaringClass().getName() + "::" + method.getName() + "\", " +
!                            comp + "BackgroundCompilation: false }}]");
!     }
!     boolean ret = enqueueMethodForCompilation0(method, compLevel, entry_bci);
!     if (block) {
!       removeCompilerDirective(1);
!     }
!     return ret;
    }
    private native void    clearMethodState0(Executable method);
    public         void    clearMethodState(Executable method) {
      Objects.requireNonNull(method);
      clearMethodState0(method);
*** 453,458 ****
--- 472,481 ----
  
    // Sharing
    public native boolean isSharedClass(Class<?> c);
    public native boolean isShared(Object o);
    public native boolean areSharedStringsIgnored();
+ 
+   // Compiler Directive
+   public native int addCompilerDirective(String compDirect);
+   public native void removeCompilerDirective(int count);
  }