src/share/vm/ci/ciUtilities.hpp

changeset 0
f90c822e73f8
child 6876
710a3c8b516e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/ci/ciUtilities.hpp	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,117 @@
     1.4 +/*
     1.5 + * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +#ifndef SHARE_VM_CI_CIUTILITIES_HPP
    1.29 +#define SHARE_VM_CI_CIUTILITIES_HPP
    1.30 +
    1.31 +#include "ci/ciEnv.hpp"
    1.32 +#include "runtime/interfaceSupport.hpp"
    1.33 +
    1.34 +// The following routines and definitions are used internally in the
    1.35 +// compiler interface.
    1.36 +
    1.37 +
    1.38 +// Add a ci native entry wrapper?
    1.39 +
    1.40 +// Bring the compilation thread into the VM state.
    1.41 +#define VM_ENTRY_MARK                       \
    1.42 +  CompilerThread* thread=CompilerThread::current(); \
    1.43 +  ThreadInVMfromNative __tiv(thread);       \
    1.44 +  ResetNoHandleMark rnhm;                   \
    1.45 +  HandleMarkCleaner __hm(thread);           \
    1.46 +  Thread* THREAD = thread;                  \
    1.47 +  debug_only(VMNativeEntryWrapper __vew;)
    1.48 +
    1.49 +
    1.50 +
    1.51 +// Bring the compilation thread into the VM state.  No handle mark.
    1.52 +#define VM_QUICK_ENTRY_MARK                 \
    1.53 +  CompilerThread* thread=CompilerThread::current(); \
    1.54 +  ThreadInVMfromNative __tiv(thread);       \
    1.55 +/*                                          \
    1.56 + * [TODO] The NoHandleMark line does nothing but declare a function prototype \
    1.57 + * The NoHandkeMark constructor is NOT executed. If the ()'s are   \
    1.58 + * removed, causes the NoHandleMark assert to trigger. \
    1.59 + * debug_only(NoHandleMark __hm();)         \
    1.60 + */                                         \
    1.61 +  Thread* THREAD = thread;                  \
    1.62 +  debug_only(VMNativeEntryWrapper __vew;)
    1.63 +
    1.64 +
    1.65 +#define EXCEPTION_CONTEXT \
    1.66 +  CompilerThread* thread=CompilerThread::current(); \
    1.67 +  Thread* THREAD = thread;
    1.68 +
    1.69 +
    1.70 +#define CURRENT_ENV                         \
    1.71 +  ciEnv::current()
    1.72 +
    1.73 +// where current thread is THREAD
    1.74 +#define CURRENT_THREAD_ENV                  \
    1.75 +  ciEnv::current(thread)
    1.76 +
    1.77 +#define IS_IN_VM                            \
    1.78 +  ciEnv::is_in_vm()
    1.79 +
    1.80 +#define ASSERT_IN_VM                        \
    1.81 +  assert(IS_IN_VM, "must be in vm state");
    1.82 +
    1.83 +#define GUARDED_VM_ENTRY(action)            \
    1.84 +  {if (IS_IN_VM) { action } else { VM_ENTRY_MARK; { action }}}
    1.85 +
    1.86 +#define GUARDED_VM_QUICK_ENTRY(action)      \
    1.87 +  {if (IS_IN_VM) { action } else { VM_QUICK_ENTRY_MARK; { action }}}
    1.88 +
    1.89 +// Redefine this later.
    1.90 +#define KILL_COMPILE_ON_FATAL_(result)           \
    1.91 +  THREAD);                                       \
    1.92 +  if (HAS_PENDING_EXCEPTION) {                   \
    1.93 +    if (PENDING_EXCEPTION->klass() ==            \
    1.94 +        SystemDictionary::ThreadDeath_klass()) { \
    1.95 +      /* Kill the compilation. */                \
    1.96 +      fatal("unhandled ci exception");           \
    1.97 +      return (result);                           \
    1.98 +    }                                            \
    1.99 +    CLEAR_PENDING_EXCEPTION;                     \
   1.100 +    return (result);                             \
   1.101 +  }                                              \
   1.102 +  (void)(0
   1.103 +
   1.104 +#define KILL_COMPILE_ON_ANY                      \
   1.105 +  THREAD);                                       \
   1.106 +  if (HAS_PENDING_EXCEPTION) {                   \
   1.107 +    fatal("unhandled ci exception");             \
   1.108 +    CLEAR_PENDING_EXCEPTION;                     \
   1.109 +  }                                              \
   1.110 +(void)(0
   1.111 +
   1.112 +
   1.113 +inline const char* bool_to_str(bool b) {
   1.114 +  return ((b) ? "true" : "false");
   1.115 +}
   1.116 +
   1.117 +const char* basictype_to_str(BasicType t);
   1.118 +const char  basictype_to_char(BasicType t);
   1.119 +
   1.120 +#endif // SHARE_VM_CI_CIUTILITIES_HPP

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