jdk8-mips64-public/hotspot: src/share/vm/compiler/disassembler.hpp@2f644f85485d

6961690: load oops from constant table on SPARC
Summary: oops should be loaded from the constant table of an nmethod instead of materializing them with a long code sequence.
Reviewed-by: never, kvn

     1 /*

     2  * Copyright (c) 2008, 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_COMPILER_DISASSEMBLER_HPP

    26 #define SHARE_VM_COMPILER_DISASSEMBLER_HPP

    28 #include "runtime/globals.hpp"

    29 #ifdef TARGET_OS_FAMILY_linux

    30 # include "os_linux.inline.hpp"

    31 #endif

    32 #ifdef TARGET_OS_FAMILY_solaris

    33 # include "os_solaris.inline.hpp"

    34 #endif

    35 #ifdef TARGET_OS_FAMILY_windows

    36 # include "os_windows.inline.hpp"

    37 #endif

    39 class decode_env;

    41 // The disassembler prints out assembly code annotated

    42 // with Java specific information.

    44 class Disassembler {

    45   friend class decode_env;

    46  private:

    47   // this is the type of the dll entry point:

    48   typedef void* (*decode_func)(void* start, void* end,

    49                                void* (*event_callback)(void*, const char*, void*),

    50                                void* event_stream,

    51                                int (*printf_callback)(void*, const char*, ...),

    52                                void* printf_stream,

    53                                const char* options);

    54   // points to the library.

    55   static void*    _library;

    56   // bailout

    57   static bool     _tried_to_load_library;

    58   // points to the decode function.

    59   static decode_func _decode_instructions;

    60   // tries to load library and return whether it succedded.

    61   static bool load_library();

    63   // Machine dependent stuff

    64 #ifdef TARGET_ARCH_x86

    65 # include "disassembler_x86.hpp"

    66 #endif

    67 #ifdef TARGET_ARCH_sparc

    68 # include "disassembler_sparc.hpp"

    69 #endif

    70 #ifdef TARGET_ARCH_zero

    71 # include "disassembler_zero.hpp"

    72 #endif

    75  public:

    76   static bool can_decode() {

    77     return (_decode_instructions != NULL) || load_library();

    78   }

    79   static void decode(CodeBlob *cb,               outputStream* st = NULL);

    80   static void decode(nmethod* nm,                outputStream* st = NULL);

    81   static void decode(address begin, address end, outputStream* st = NULL);

    82 };

    84 #endif // SHARE_VM_COMPILER_DISASSEMBLER_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/compiler/disassembler.hpp@2f644f85485d

src/share/vm/compiler/disassembler.hpp