jdk8-mips64-public/hotspot: src/share/vm/utilities/decoder.hpp@f08d439fab8c

7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>

     1 /*

     2  * Copyright (c) 1997, 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  */

    26 #ifndef __DECODER_HPP

    27 #define __DECODER_HPP

    29 #include "memory/allocation.hpp"

    31 #ifdef _WINDOWS

    32 #include <windows.h>

    33 #include <imagehlp.h>

    35 // functions needed for decoding symbols

    36 typedef DWORD (WINAPI *pfn_SymSetOptions)(DWORD);

    37 typedef BOOL  (WINAPI *pfn_SymInitialize)(HANDLE, PCTSTR, BOOL);

    38 typedef BOOL  (WINAPI *pfn_SymGetSymFromAddr64)(HANDLE, DWORD64, PDWORD64, PIMAGEHLP_SYMBOL64);

    39 typedef DWORD (WINAPI *pfn_UndecorateSymbolName)(const char*, char*, DWORD, DWORD);

    41 #elif defined(__APPLE__)

    43 #else

    45 class ElfFile;

    47 #endif // _WINDOWS

    50 class Decoder: public StackObj {

    52  public:

    53   // status code for decoding native C frame

    54   enum decoder_status {

    55          no_error,             // successfully decoded frames

    56          out_of_memory,        // out of memory

    57          file_invalid,         // invalid elf file

    58          file_not_found,       // could not found symbol file (on windows), such as jvm.pdb or jvm.map

    59          helper_not_found,     // could not load dbghelp.dll (Windows only)

    60          helper_func_error,    // decoding functions not found (Windows only)

    61          helper_init_error,    // SymInitialize failed (Windows only)

    62          symbol_not_found      // could not find the symbol

    63   };

    65  public:

    66   Decoder() { initialize(); };

    67   ~Decoder() { uninitialize(); };

    69   static bool can_decode_C_frame_in_vm();

    71   static void initialize();

    72   static void uninitialize();

    74 #ifdef _WINDOWS

    75   static decoder_status    decode(address addr, char *buf, int buflen, int *offset);

    76 #else

    77   static decoder_status    decode(address addr, const char* filepath, char *buf, int buflen, int *offset);

    78 #endif

    80   static bool              demangle(const char* symbol, char *buf, int buflen);

    82   static decoder_status    get_status() { return _decoder_status; };

    84 #if !defined(_WINDOWS) && !defined(__APPLE__)

    85  private:

    86   static ElfFile*         get_elf_file(const char* filepath);

    87 #endif // _WINDOWS

    90  private:

    91   static decoder_status     _decoder_status;

    92   static bool               _initialized;

    94 #ifdef _WINDOWS

    95   static HMODULE                   _dbghelp_handle;

    96   static bool                      _can_decode_in_vm;

    97   static pfn_SymGetSymFromAddr64   _pfnSymGetSymFromAddr64;

    98   static pfn_UndecorateSymbolName  _pfnUndecorateSymbolName;

    99 #elif __APPLE__

   100 #else

   101   static ElfFile*                  _opened_elf_files;

   102 #endif // _WINDOWS

   103 };

   105 #endif // __DECODER_HPP

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

src/share/vm/utilities/decoder.hpp@f08d439fab8c

src/share/vm/utilities/decoder.hpp