jdk8-mips64-public/hotspot: src/os/windows/vm/decoder

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http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

     1 /*

     2  * Copyright (c) 2011, 2013, 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 OS_WINDOWS_VM_DECODER_WINDOWS_HPP

    26 #define OS_WINDOWS_VM_DECIDER_WINDOWS_HPP

    28 #include <windows.h>

    29 #include <imagehlp.h>

    31 #include "utilities/decoder.hpp"

    33 // functions needed for decoding symbols

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

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

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

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

    38 typedef BOOL  (WINAPI *pfn_SymSetSearchPath)(HANDLE, PCTSTR);

    39 typedef BOOL  (WINAPI *pfn_SymGetSearchPath)(HANDLE, PTSTR, int);

    41 #ifdef AMD64

    42 typedef BOOL  (WINAPI *pfn_StackWalk64)(DWORD MachineType,

    43                                         HANDLE hProcess,

    44                                         HANDLE hThread,

    45                                         LPSTACKFRAME64 StackFrame,

    46                                         PVOID ContextRecord,

    47                                         PREAD_PROCESS_MEMORY_ROUTINE64 ReadMemoryRoutine,

    48                                         PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,

    49                                         PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine,

    50                                         PTRANSLATE_ADDRESS_ROUTINE64 TranslateAddress);

    51 typedef PVOID (WINAPI *pfn_SymFunctionTableAccess64)(HANDLE hProcess, DWORD64 AddrBase);

    52 typedef DWORD64 (WINAPI *pfn_SymGetModuleBase64)(HANDLE hProcess, DWORD64 dwAddr);

    53 #endif

    55 class WindowsDecoder : public AbstractDecoder {

    57 public:

    58   WindowsDecoder();

    59   ~WindowsDecoder() { uninitialize(); };

    61   bool can_decode_C_frame_in_vm() const;

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

    63   bool decode(address addr, char *buf, int buflen, int* offset, const char* modulepath = NULL);

    64   bool decode(address addr, char *buf, int buflen, int* offset, const void* base) {

    65     ShouldNotReachHere();

    66     return false;

    67   }

    69 private:

    70   void initialize();

    71   void uninitialize();

    73 private:

    74   HMODULE                   _dbghelp_handle;

    75   bool                      _can_decode_in_vm;

    76   pfn_SymGetSymFromAddr64   _pfnSymGetSymFromAddr64;

    77   pfn_UndecorateSymbolName  _pfnUndecorateSymbolName;

    78 #ifdef AMD64

    79   pfn_StackWalk64              _pfnStackWalk64;

    80   pfn_SymFunctionTableAccess64 _pfnSymFunctionTableAccess64;

    81   pfn_SymGetModuleBase64       _pfnSymGetModuleBase64;

    83   friend class WindowsDbgHelp;

    84 #endif

    85 };

    87 #ifdef AMD64

    88 // TODO: refactor and move the handling of dbghelp.dll outside of Decoder

    89 class WindowsDbgHelp : public Decoder {

    90 public:

    91   static BOOL StackWalk64(DWORD MachineType,

    92                           HANDLE hProcess,

    93                           HANDLE hThread,

    94                           LPSTACKFRAME64 StackFrame,

    95                           PVOID ContextRecord,

    96                           PREAD_PROCESS_MEMORY_ROUTINE64 ReadMemoryRoutine,

    97                           PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,

    98                           PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine,

    99                           PTRANSLATE_ADDRESS_ROUTINE64 TranslateAddress);

   100   static PVOID SymFunctionTableAccess64(HANDLE hProcess, DWORD64 AddrBase);

   102   static pfn_SymFunctionTableAccess64 pfnSymFunctionTableAccess64();

   103   static pfn_SymGetModuleBase64       pfnSymGetModuleBase64();

   104 };

   105 #endif

   107 #endif // OS_WINDOWS_VM_DECODER_WINDOWS_HPP

src/os/windows/vm/decoder_windows.hpp@f90c822e73f8