1 /*
   2  * Copyright (c) 2018, 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  *
  23  */
  24 
  25 #ifndef SHARE_VM_CI_CIUTILITIES_INLINE_HPP
  26 #define SHARE_VM_CI_CIUTILITIES_INLINE_HPP
  27 
  28 #include "ci/ciUtilities.hpp"
  29 #include "runtime/interfaceSupport.inline.hpp"
  30 
  31 // Add a ci native entry wrapper?
  32 
  33 // Bring the compilation thread into the VM state.
  34 #define VM_ENTRY_MARK                       \
  35   CompilerThread* thread=CompilerThread::current(); \
  36   ThreadInVMfromNative __tiv(thread);       \
  37   ResetNoHandleMark rnhm;                   \
  38   HandleMarkCleaner __hm(thread);           \
  39   Thread* THREAD = thread;                  \
  40   debug_only(VMNativeEntryWrapper __vew;)
  41 
  42 
  43 
  44 // Bring the compilation thread into the VM state.  No handle mark.
  45 #define VM_QUICK_ENTRY_MARK                 \
  46   CompilerThread* thread=CompilerThread::current(); \
  47   ThreadInVMfromNative __tiv(thread);       \
  48 /*                                          \
  49  * [TODO] The NoHandleMark line does nothing but declare a function prototype \
  50  * The NoHandkeMark constructor is NOT executed. If the ()'s are   \
  51  * removed, causes the NoHandleMark assert to trigger. \
  52  * debug_only(NoHandleMark __hm();)         \
  53  */                                         \
  54   Thread* THREAD = thread;                  \
  55   debug_only(VMNativeEntryWrapper __vew;)
  56 
  57 
  58 #define EXCEPTION_CONTEXT \
  59   CompilerThread* thread=CompilerThread::current(); \
  60   Thread* THREAD = thread;
  61 
  62 
  63 #define GUARDED_VM_ENTRY(action)            \
  64   {if (IS_IN_VM) { action } else { VM_ENTRY_MARK; { action }}}
  65 
  66 #define GUARDED_VM_QUICK_ENTRY(action)      \
  67   {if (IS_IN_VM) { action } else { VM_QUICK_ENTRY_MARK; { action }}}
  68 
  69 // Redefine this later.
  70 #define KILL_COMPILE_ON_FATAL_(result)           \
  71   THREAD);                                       \
  72   if (HAS_PENDING_EXCEPTION) {                   \
  73     if (PENDING_EXCEPTION->klass() ==            \
  74         SystemDictionary::ThreadDeath_klass()) { \
  75       /* Kill the compilation. */                \
  76       fatal("unhandled ci exception");           \
  77       return (result);                           \
  78     }                                            \
  79     CLEAR_PENDING_EXCEPTION;                     \
  80     return (result);                             \
  81   }                                              \
  82   (void)(0
  83 
  84 #define KILL_COMPILE_ON_ANY                      \
  85   THREAD);                                       \
  86   if (HAS_PENDING_EXCEPTION) {                   \
  87     fatal("unhandled ci exception");             \
  88     CLEAR_PENDING_EXCEPTION;                     \
  89   }                                              \
  90 (void)(0
  91 
  92 #endif // SHARE_VM_CI_CIUTILITIES_INLINE_HPP
  93