src/share/vm/compiler/disassembler.hpp

Wed, 11 Aug 2010 05:51:21 -0700

author
twisti
date
Wed, 11 Aug 2010 05:51:21 -0700
changeset 2047
d2ede61b7a12
parent 1907
c18cbe5936b8
child 2314
f95d63e2154a
permissions
-rw-r--r--

6976186: integrate Shark HotSpot changes
Summary: Shark is a JIT compiler for Zero that uses the LLVM compiler infrastructure.
Reviewed-by: kvn, twisti
Contributed-by: Gary Benson <gbenson@redhat.com>

     1 /*
     2  * Copyright (c) 2008, 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 class decode_env;
    27 // The disassembler prints out assembly code annotated
    28 // with Java specific information.
    30 class Disassembler {
    31   friend class decode_env;
    32  private:
    33   // this is the type of the dll entry point:
    34   typedef void* (*decode_func)(void* start, void* end,
    35                                void* (*event_callback)(void*, const char*, void*),
    36                                void* event_stream,
    37                                int (*printf_callback)(void*, const char*, ...),
    38                                void* printf_stream,
    39                                const char* options);
    40   // points to the library.
    41   static void*    _library;
    42   // bailout
    43   static bool     _tried_to_load_library;
    44   // points to the decode function.
    45   static decode_func _decode_instructions;
    46   // tries to load library and return whether it succedded.
    47   static bool load_library();
    49   // Machine dependent stuff
    50   #include "incls/_disassembler_pd.hpp.incl"
    52  public:
    53   static bool can_decode() {
    54     return (_decode_instructions != NULL) || load_library();
    55   }
    56   static void decode(CodeBlob *cb,               outputStream* st = NULL);
    57   static void decode(nmethod* nm,                outputStream* st = NULL);
    58   static void decode(address begin, address end, outputStream* st = NULL);
    59 };

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