src/share/vm/ci/ciUtilities.hpp

Wed, 12 Oct 2011 21:00:13 -0700

author
twisti
date
Wed, 12 Oct 2011 21:00:13 -0700
changeset 3197
5eb9169b1a14
parent 2314
f95d63e2154a
child 4267
bd7a7ce2e264
permissions
-rw-r--r--

7092712: JSR 292: unloaded invokedynamic call sites can lead to a crash with signature types not on BCP
Reviewed-by: jrose, never

     1 /*
     2  * Copyright (c) 1999, 2010, 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 // Redefine this later.
    84 #define KILL_COMPILE_ON_FATAL_(result)           \
    85   THREAD);                                       \
    86   if (HAS_PENDING_EXCEPTION) {                   \
    87     if (PENDING_EXCEPTION->klass() ==            \
    88         SystemDictionary::ThreadDeath_klass()) { \
    89       /* Kill the compilation. */                \
    90       fatal("unhandled ci exception");           \
    91       return (result);                           \
    92     }                                            \
    93     CLEAR_PENDING_EXCEPTION;                     \
    94     return (result);                             \
    95   }                                              \
    96   (0
    98 #define KILL_COMPILE_ON_ANY                      \
    99   THREAD);                                       \
   100   if (HAS_PENDING_EXCEPTION) {                   \
   101     fatal("unhandled ci exception");             \
   102     CLEAR_PENDING_EXCEPTION;                     \
   103   }                                              \
   104 (0
   107 inline const char* bool_to_str(bool b) {
   108   return ((b) ? "true" : "false");
   109 }
   111 const char* basictype_to_str(BasicType t);
   112 const char  basictype_to_char(BasicType t);
   114 #endif // SHARE_VM_CI_CIUTILITIES_HPP

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