Mercurial > hg > graal-compiler
diff src/os/windows/vm/decoder_windows.hpp @ 4803:d7e3846464d0
7071311: Decoder enhancement
Summary: Made decoder thread-safe
Reviewed-by: coleenp, kamg
author | zgu |
---|---|
date | Tue, 17 Jan 2012 13:08:52 -0500 |
parents | |
children | db006a85bf91 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/os/windows/vm/decoder_windows.hpp Tue Jan 17 13:08:52 2012 -0500 @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef OS_WINDOWS_VM_DECODER_WINDOWS_HPP +#define OS_WINDOWS_VM_DECIDER_WINDOWS_HPP + +#include <windows.h> +#include <imagehlp.h> + +#include "utilities/decoder.hpp" + +// functions needed for decoding symbols +typedef DWORD (WINAPI *pfn_SymSetOptions)(DWORD); +typedef BOOL (WINAPI *pfn_SymInitialize)(HANDLE, PCTSTR, BOOL); +typedef BOOL (WINAPI *pfn_SymGetSymFromAddr64)(HANDLE, DWORD64, PDWORD64, PIMAGEHLP_SYMBOL64); +typedef DWORD (WINAPI *pfn_UndecorateSymbolName)(const char*, char*, DWORD, DWORD); + +class WindowsDecoder: public NullDecoder { + +public: + WindowsDecoder(); + ~WindowsDecoder() { uninitialize(); }; + + bool can_decode_C_frame_in_vm() const; + bool demangle(const char* symbol, char *buf, int buflen); + bool decode(address addr, char *buf, int buflen, int* offset, const char* modulepath = NULL); + +private: + void initialize(); + void uninitialize(); + +private: + HMODULE _dbghelp_handle; + bool _can_decode_in_vm; + pfn_SymGetSymFromAddr64 _pfnSymGetSymFromAddr64; + pfn_UndecorateSymbolName _pfnUndecorateSymbolName; +}; + +#endif // OS_WINDOWS_VM_DECODER_WINDOWS_HPP +