168   }
 169 
 170   // Parallel GC
 171   public native long psVirtualSpaceAlignment();
 172   public native long psHeapGenerationAlignment();
 173 
 174   // NMT
 175   public native long NMTMalloc(long size);
 176   public native void NMTFree(long mem);
 177   public native long NMTReserveMemory(long size);
 178   public native void NMTCommitMemory(long addr, long size);
 179   public native void NMTUncommitMemory(long addr, long size);
 180   public native void NMTReleaseMemory(long addr, long size);
 181   public native long NMTMallocWithPseudoStack(long size, int index);
 182   public native boolean NMTChangeTrackingLevel();
 183   public native int NMTGetHashSize();
 184 
 185   // Compiler
 186   public native int     matchesMethod(Executable method, String pattern);
 187   public native int     matchesInline(Executable method, String pattern);
 188   public native boolean shouldPrintAssembly(Executable method);
 189   public native int     deoptimizeFrames(boolean makeNotEntrant);
 190   public native void    deoptimizeAll();
 191 
 192   @HotSpotIntrinsicCandidate
 193   public        void    deoptimize() {}
 194   public        boolean isMethodCompiled(Executable method) {
 195     return isMethodCompiled(method, false /*not osr*/);
 196   }
 197   private native boolean isMethodCompiled0(Executable method, boolean isOsr);
 198   public         boolean isMethodCompiled(Executable method, boolean isOsr){
 199     Objects.requireNonNull(method);
 200     return isMethodCompiled0(method, isOsr);
 201   }
 202   public        boolean isMethodCompilable(Executable method) {
 203     return isMethodCompilable(method, -1 /*any*/);
 204   }
 205   public        boolean isMethodCompilable(Executable method, int compLevel) {
 206     return isMethodCompilable(method, compLevel, false /*not osr*/);
 207   }
 208   private native boolean isMethodCompilable0(Executable method, int compLevel, boolean isOsr);

 168   }
 169 
 170   // Parallel GC
 171   public native long psVirtualSpaceAlignment();
 172   public native long psHeapGenerationAlignment();
 173 
 174   // NMT
 175   public native long NMTMalloc(long size);
 176   public native void NMTFree(long mem);
 177   public native long NMTReserveMemory(long size);
 178   public native void NMTCommitMemory(long addr, long size);
 179   public native void NMTUncommitMemory(long addr, long size);
 180   public native void NMTReleaseMemory(long addr, long size);
 181   public native long NMTMallocWithPseudoStack(long size, int index);
 182   public native boolean NMTChangeTrackingLevel();
 183   public native int NMTGetHashSize();
 184 
 185   // Compiler
 186   public native int     matchesMethod(Executable method, String pattern);
 187   public native int     matchesInline(Executable method, String pattern);
 188   public native boolean shouldPrintAssembly(Executable method, int comp_level);
 189   public native int     deoptimizeFrames(boolean makeNotEntrant);
 190   public native void    deoptimizeAll();
 191 
 192   @HotSpotIntrinsicCandidate
 193   public        void    deoptimize() {}
 194   public        boolean isMethodCompiled(Executable method) {
 195     return isMethodCompiled(method, false /*not osr*/);
 196   }
 197   private native boolean isMethodCompiled0(Executable method, boolean isOsr);
 198   public         boolean isMethodCompiled(Executable method, boolean isOsr){
 199     Objects.requireNonNull(method);
 200     return isMethodCompiled0(method, isOsr);
 201   }
 202   public        boolean isMethodCompilable(Executable method) {
 203     return isMethodCompilable(method, -1 /*any*/);
 204   }
 205   public        boolean isMethodCompilable(Executable method, int compLevel) {
 206     return isMethodCompilable(method, compLevel, false /*not osr*/);
 207   }
 208   private native boolean isMethodCompilable0(Executable method, int compLevel, boolean isOsr);