src/share/vm/ci/ciUtilities.hpp

Mon, 12 Nov 2012 14:03:53 -0800

author
minqi
date
Mon, 12 Nov 2012 14:03:53 -0800
changeset 4267
bd7a7ce2e264
parent 2314
f95d63e2154a
child 5259
ef57c43512d6
permissions
-rw-r--r--

6830717: replay of compilations would help with debugging
Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method.
Reviewed-by: kvn, twisti, sspitsyn
Contributed-by: yumin.qi@oracle.com

     1 /*
     2  * Copyright (c) 1999, 2012, 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  */
    25 #ifndef SHARE_VM_CI_CIUTILITIES_HPP
    26 #define SHARE_VM_CI_CIUTILITIES_HPP
    28 #include "ci/ciEnv.hpp"
    29 #include "runtime/interfaceSupport.hpp"
    31 // The following routines and definitions are used internally in the
    32 // compiler interface.
    35 // Add a ci native entry wrapper?
    37 // Bring the compilation thread into the VM state.
    38 #define VM_ENTRY_MARK                       \
    39   CompilerThread* thread=CompilerThread::current(); \
    40   ThreadInVMfromNative __tiv(thread);       \
    41   ResetNoHandleMark rnhm;                   \
    42   HandleMarkCleaner __hm(thread);           \
    43   Thread* THREAD = thread;                  \
    44   debug_only(VMNativeEntryWrapper __vew;)
    48 // Bring the compilation thread into the VM state.  No handle mark.
    49 #define VM_QUICK_ENTRY_MARK                 \
    50   CompilerThread* thread=CompilerThread::current(); \
    51   ThreadInVMfromNative __tiv(thread);       \
    52 /*                                          \
    53  * [TODO] The NoHandleMark line does nothing but declare a function prototype \
    54  * The NoHandkeMark constructor is NOT executed. If the ()'s are   \
    55  * removed, causes the NoHandleMark assert to trigger. \
    56  * debug_only(NoHandleMark __hm();)         \
    57  */                                         \
    58   Thread* THREAD = thread;                  \
    59   debug_only(VMNativeEntryWrapper __vew;)
    62 #define EXCEPTION_CONTEXT \
    63   CompilerThread* thread=CompilerThread::current(); \
    64   Thread* THREAD = thread;
    67 #define CURRENT_ENV                         \
    68   ciEnv::current()
    70 // where current thread is THREAD
    71 #define CURRENT_THREAD_ENV                  \
    72   ciEnv::current(thread)
    74 #define IS_IN_VM                            \
    75   ciEnv::is_in_vm()
    77 #define ASSERT_IN_VM                        \
    78   assert(IS_IN_VM, "must be in vm state");
    80 #define GUARDED_VM_ENTRY(action)            \
    81   {if (IS_IN_VM) { action } else { VM_ENTRY_MARK; { action }}}
    83 #define GUARDED_VM_QUICK_ENTRY(action)      \
    84   {if (IS_IN_VM) { action } else { VM_QUICK_ENTRY_MARK; { action }}}
    86 // Redefine this later.
    87 #define KILL_COMPILE_ON_FATAL_(result)           \
    88   THREAD);                                       \
    89   if (HAS_PENDING_EXCEPTION) {                   \
    90     if (PENDING_EXCEPTION->klass() ==            \
    91         SystemDictionary::ThreadDeath_klass()) { \
    92       /* Kill the compilation. */                \
    93       fatal("unhandled ci exception");           \
    94       return (result);                           \
    95     }                                            \
    96     CLEAR_PENDING_EXCEPTION;                     \
    97     return (result);                             \
    98   }                                              \
    99   (0
   101 #define KILL_COMPILE_ON_ANY                      \
   102   THREAD);                                       \
   103   if (HAS_PENDING_EXCEPTION) {                   \
   104     fatal("unhandled ci exception");             \
   105     CLEAR_PENDING_EXCEPTION;                     \
   106   }                                              \
   107 (0
   110 inline const char* bool_to_str(bool b) {
   111   return ((b) ? "true" : "false");
   112 }
   114 const char* basictype_to_str(BasicType t);
   115 const char  basictype_to_char(BasicType t);
   117 #endif // SHARE_VM_CI_CIUTILITIES_HPP

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