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src/hotspot/share/prims/whitebox.cpp

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rev 57463 : imported patch 8235934-derivedpointertableupdate
rev 57464 : [mq]: 8235934-kbarrett-review
   1 /*
   2  * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


1969 WB_END
1970 
1971 WB_ENTRY(jboolean, WB_AreOpenArchiveHeapObjectsMapped(JNIEnv* env))
1972   return HeapShared::open_archive_heap_region_mapped();
1973 WB_END
1974 
1975 WB_ENTRY(jboolean, WB_IsCDSIncludedInVmBuild(JNIEnv* env))
1976 #if INCLUDE_CDS
1977 # ifdef _LP64
1978     if (!UseCompressedOops || !UseCompressedClassPointers) {
1979       // On 64-bit VMs, CDS is supported only with compressed oops/pointers
1980       return false;
1981     }
1982 # endif // _LP64
1983   return true;
1984 #else
1985   return false;
1986 #endif // INCLUDE_CDS
1987 WB_END
1988 
1989 WB_ENTRY(jboolean, WB_isC2OrGraalIncludedInVmBuild(JNIEnv* env))
1990 #if COMPILER2_OR_JVMCI
1991   return true;
1992 #else
1993   return false;
1994 #endif
1995 WB_END
1996 
1997 WB_ENTRY(jboolean, WB_IsJavaHeapArchiveSupported(JNIEnv* env))
1998   return HeapShared::is_heap_object_archiving_allowed();
1999 WB_END
2000 
2001 
2002 WB_ENTRY(jboolean, WB_IsJFRIncludedInVmBuild(JNIEnv* env))
2003 #if INCLUDE_JFR
2004   return true;
2005 #else
2006   return false;
2007 #endif // INCLUDE_JFR
2008 WB_END
2009 


2402   {CC"getMethodUintxOption",
2403       CC"(Ljava/lang/reflect/Executable;Ljava/lang/String;)Ljava/lang/Long;",
2404                                                       (void*)&WB_GetMethodUintxOption},
2405   {CC"getMethodDoubleOption",
2406       CC"(Ljava/lang/reflect/Executable;Ljava/lang/String;)Ljava/lang/Double;",
2407                                                       (void*)&WB_GetMethodDoubleOption},
2408   {CC"getMethodStringOption",
2409       CC"(Ljava/lang/reflect/Executable;Ljava/lang/String;)Ljava/lang/String;",
2410                                                       (void*)&WB_GetMethodStringOption},
2411   {CC"getDefaultArchivePath",             CC"()Ljava/lang/String;",
2412                                                       (void*)&WB_GetDefaultArchivePath},
2413   {CC"isSharingEnabled",   CC"()Z",                   (void*)&WB_IsSharingEnabled},
2414   {CC"isShared",           CC"(Ljava/lang/Object;)Z", (void*)&WB_IsShared },
2415   {CC"isSharedClass",      CC"(Ljava/lang/Class;)Z",  (void*)&WB_IsSharedClass },
2416   {CC"areSharedStringsIgnored",           CC"()Z",    (void*)&WB_AreSharedStringsIgnored },
2417   {CC"getResolvedReferences", CC"(Ljava/lang/Class;)Ljava/lang/Object;", (void*)&WB_GetResolvedReferences},
2418   {CC"linkClass",          CC"(Ljava/lang/Class;)V",  (void*)&WB_LinkClass},
2419   {CC"areOpenArchiveHeapObjectsMapped",   CC"()Z",    (void*)&WB_AreOpenArchiveHeapObjectsMapped},
2420   {CC"isCDSIncludedInVmBuild",            CC"()Z",    (void*)&WB_IsCDSIncludedInVmBuild },
2421   {CC"isJFRIncludedInVmBuild",            CC"()Z",    (void*)&WB_IsJFRIncludedInVmBuild },
2422   {CC"isC2OrGraalIncludedInVmBuild",      CC"()Z",    (void*)&WB_isC2OrGraalIncludedInVmBuild },
2423   {CC"isJavaHeapArchiveSupported",        CC"()Z",    (void*)&WB_IsJavaHeapArchiveSupported },
2424   {CC"cdsMemoryMappingFailed",            CC"()Z",    (void*)&WB_CDSMemoryMappingFailed },
2425 
2426   {CC"clearInlineCaches0",  CC"(Z)V",                 (void*)&WB_ClearInlineCaches },
2427   {CC"handshakeWalkStack", CC"(Ljava/lang/Thread;Z)I", (void*)&WB_HandshakeWalkStack },
2428   {CC"addCompilerDirective",    CC"(Ljava/lang/String;)I",
2429                                                       (void*)&WB_AddCompilerDirective },
2430   {CC"removeCompilerDirective",   CC"(I)V",           (void*)&WB_RemoveCompilerDirective },
2431   {CC"isGCSupported",             CC"(I)Z",           (void*)&WB_IsGCSupported},
2432   {CC"isGCSelected",              CC"(I)Z",           (void*)&WB_IsGCSelected},
2433   {CC"isGCSelectedErgonomically", CC"()Z",            (void*)&WB_IsGCSelectedErgonomically},
2434   {CC"supportsConcurrentGCPhaseControl", CC"()Z",     (void*)&WB_SupportsConcurrentGCPhaseControl},
2435   {CC"requestConcurrentGCPhase0", CC"(Ljava/lang/String;)Z",
2436                                                       (void*)&WB_RequestConcurrentGCPhase},
2437   {CC"checkLibSpecifiesNoexecstack", CC"(Ljava/lang/String;)Z",
2438                                                       (void*)&WB_CheckLibSpecifiesNoexecstack},
2439   {CC"isContainerized",           CC"()Z",            (void*)&WB_IsContainerized },
2440   {CC"printOsInfo",               CC"()V",            (void*)&WB_PrintOsInfo },
2441   {CC"disableElfSectionCache",    CC"()V",            (void*)&WB_DisableElfSectionCache },
2442   {CC"resolvedMethodItemsCount",  CC"()J",            (void*)&WB_ResolvedMethodItemsCount },
   1 /*
   2  * Copyright (c) 2012, 2020, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


1969 WB_END
1970 
1971 WB_ENTRY(jboolean, WB_AreOpenArchiveHeapObjectsMapped(JNIEnv* env))
1972   return HeapShared::open_archive_heap_region_mapped();
1973 WB_END
1974 
1975 WB_ENTRY(jboolean, WB_IsCDSIncludedInVmBuild(JNIEnv* env))
1976 #if INCLUDE_CDS
1977 # ifdef _LP64
1978     if (!UseCompressedOops || !UseCompressedClassPointers) {
1979       // On 64-bit VMs, CDS is supported only with compressed oops/pointers
1980       return false;
1981     }
1982 # endif // _LP64
1983   return true;
1984 #else
1985   return false;
1986 #endif // INCLUDE_CDS
1987 WB_END
1988 
1989 WB_ENTRY(jboolean, WB_isC2OrJVMCIIncludedInVmBuild(JNIEnv* env))
1990 #if COMPILER2_OR_JVMCI
1991   return true;
1992 #else
1993   return false;
1994 #endif
1995 WB_END
1996 
1997 WB_ENTRY(jboolean, WB_IsJavaHeapArchiveSupported(JNIEnv* env))
1998   return HeapShared::is_heap_object_archiving_allowed();
1999 WB_END
2000 
2001 
2002 WB_ENTRY(jboolean, WB_IsJFRIncludedInVmBuild(JNIEnv* env))
2003 #if INCLUDE_JFR
2004   return true;
2005 #else
2006   return false;
2007 #endif // INCLUDE_JFR
2008 WB_END
2009 


2402   {CC"getMethodUintxOption",
2403       CC"(Ljava/lang/reflect/Executable;Ljava/lang/String;)Ljava/lang/Long;",
2404                                                       (void*)&WB_GetMethodUintxOption},
2405   {CC"getMethodDoubleOption",
2406       CC"(Ljava/lang/reflect/Executable;Ljava/lang/String;)Ljava/lang/Double;",
2407                                                       (void*)&WB_GetMethodDoubleOption},
2408   {CC"getMethodStringOption",
2409       CC"(Ljava/lang/reflect/Executable;Ljava/lang/String;)Ljava/lang/String;",
2410                                                       (void*)&WB_GetMethodStringOption},
2411   {CC"getDefaultArchivePath",             CC"()Ljava/lang/String;",
2412                                                       (void*)&WB_GetDefaultArchivePath},
2413   {CC"isSharingEnabled",   CC"()Z",                   (void*)&WB_IsSharingEnabled},
2414   {CC"isShared",           CC"(Ljava/lang/Object;)Z", (void*)&WB_IsShared },
2415   {CC"isSharedClass",      CC"(Ljava/lang/Class;)Z",  (void*)&WB_IsSharedClass },
2416   {CC"areSharedStringsIgnored",           CC"()Z",    (void*)&WB_AreSharedStringsIgnored },
2417   {CC"getResolvedReferences", CC"(Ljava/lang/Class;)Ljava/lang/Object;", (void*)&WB_GetResolvedReferences},
2418   {CC"linkClass",          CC"(Ljava/lang/Class;)V",  (void*)&WB_LinkClass},
2419   {CC"areOpenArchiveHeapObjectsMapped",   CC"()Z",    (void*)&WB_AreOpenArchiveHeapObjectsMapped},
2420   {CC"isCDSIncludedInVmBuild",            CC"()Z",    (void*)&WB_IsCDSIncludedInVmBuild },
2421   {CC"isJFRIncludedInVmBuild",            CC"()Z",    (void*)&WB_IsJFRIncludedInVmBuild },
2422   {CC"isC2OrJVMCIIncludedInVmBuild",      CC"()Z",    (void*)&WB_isC2OrJVMCIIncludedInVmBuild },
2423   {CC"isJavaHeapArchiveSupported",        CC"()Z",    (void*)&WB_IsJavaHeapArchiveSupported },
2424   {CC"cdsMemoryMappingFailed",            CC"()Z",    (void*)&WB_CDSMemoryMappingFailed },
2425 
2426   {CC"clearInlineCaches0",  CC"(Z)V",                 (void*)&WB_ClearInlineCaches },
2427   {CC"handshakeWalkStack", CC"(Ljava/lang/Thread;Z)I", (void*)&WB_HandshakeWalkStack },
2428   {CC"addCompilerDirective",    CC"(Ljava/lang/String;)I",
2429                                                       (void*)&WB_AddCompilerDirective },
2430   {CC"removeCompilerDirective",   CC"(I)V",           (void*)&WB_RemoveCompilerDirective },
2431   {CC"isGCSupported",             CC"(I)Z",           (void*)&WB_IsGCSupported},
2432   {CC"isGCSelected",              CC"(I)Z",           (void*)&WB_IsGCSelected},
2433   {CC"isGCSelectedErgonomically", CC"()Z",            (void*)&WB_IsGCSelectedErgonomically},
2434   {CC"supportsConcurrentGCPhaseControl", CC"()Z",     (void*)&WB_SupportsConcurrentGCPhaseControl},
2435   {CC"requestConcurrentGCPhase0", CC"(Ljava/lang/String;)Z",
2436                                                       (void*)&WB_RequestConcurrentGCPhase},
2437   {CC"checkLibSpecifiesNoexecstack", CC"(Ljava/lang/String;)Z",
2438                                                       (void*)&WB_CheckLibSpecifiesNoexecstack},
2439   {CC"isContainerized",           CC"()Z",            (void*)&WB_IsContainerized },
2440   {CC"printOsInfo",               CC"()V",            (void*)&WB_PrintOsInfo },
2441   {CC"disableElfSectionCache",    CC"()V",            (void*)&WB_DisableElfSectionCache },
2442   {CC"resolvedMethodItemsCount",  CC"()J",            (void*)&WB_ResolvedMethodItemsCount },
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