Mercurial > hg > graal-compiler
view src/share/vm/utilities/decoder.hpp @ 4836:d30fa85f9994
6484965: G1: piggy-back liveness accounting phase on marking
Summary: Remove the separate counting phase of concurrent marking by tracking the amount of marked bytes and the cards spanned by marked objects in marking task/worker thread local data structures, which are updated as individual objects are marked.
Reviewed-by: brutisso, tonyp
author | johnc |
---|---|
date | Thu, 12 Jan 2012 00:06:47 -0800 |
parents | f08d439fab8c |
children | d7e3846464d0 |
line wrap: on
line source
/* * Copyright (c) 1997, 2010, 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 __DECODER_HPP #define __DECODER_HPP #include "memory/allocation.hpp" #ifdef _WINDOWS #include <windows.h> #include <imagehlp.h> // 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); #elif defined(__APPLE__) #else class ElfFile; #endif // _WINDOWS class Decoder: public StackObj { public: // status code for decoding native C frame enum decoder_status { no_error, // successfully decoded frames out_of_memory, // out of memory file_invalid, // invalid elf file file_not_found, // could not found symbol file (on windows), such as jvm.pdb or jvm.map helper_not_found, // could not load dbghelp.dll (Windows only) helper_func_error, // decoding functions not found (Windows only) helper_init_error, // SymInitialize failed (Windows only) symbol_not_found // could not find the symbol }; public: Decoder() { initialize(); }; ~Decoder() { uninitialize(); }; static bool can_decode_C_frame_in_vm(); static void initialize(); static void uninitialize(); #ifdef _WINDOWS static decoder_status decode(address addr, char *buf, int buflen, int *offset); #else static decoder_status decode(address addr, const char* filepath, char *buf, int buflen, int *offset); #endif static bool demangle(const char* symbol, char *buf, int buflen); static decoder_status get_status() { return _decoder_status; }; #if !defined(_WINDOWS) && !defined(__APPLE__) private: static ElfFile* get_elf_file(const char* filepath); #endif // _WINDOWS private: static decoder_status _decoder_status; static bool _initialized; #ifdef _WINDOWS static HMODULE _dbghelp_handle; static bool _can_decode_in_vm; static pfn_SymGetSymFromAddr64 _pfnSymGetSymFromAddr64; static pfn_UndecorateSymbolName _pfnUndecorateSymbolName; #elif __APPLE__ #else static ElfFile* _opened_elf_files; #endif // _WINDOWS }; #endif // __DECODER_HPP