jdk8-mips64-public/hotspot: src/share/vm/utilities/decoder.cpp@3582bf76420e (annotated)

src/share/vm/utilities/decoder.cpp@3582bf76420e (annotated)

src/share/vm/utilities/decoder.cpp

Thu, 27 Jan 2011 16:11:27 -0800

author: coleenp
date: Thu, 27 Jan 2011 16:11:27 -0800
changeset 2497: 3582bf76420e
parent 2364: 2d4762ec74af
child 3156: f08d439fab8c
permissions: -rw-r--r--

6990754: Use native memory and reference counting to implement SymbolTable
Summary: move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank

 /*
  * 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.
  *
  */
 #include "precompiled.hpp"
 #include "prims/jvm.h"
 #include "utilities/decoder.hpp"
 Decoder::decoder_status  Decoder::_decoder_status = Decoder::no_error;
 bool                     Decoder::_initialized = false;
 #ifndef _WINDOWS
 // Implementation of common functionalities among Solaris and Linux
 #include "utilities/elfFile.hpp"
 ElfFile* Decoder::_opened_elf_files = NULL;
 bool Decoder::can_decode_C_frame_in_vm() {
   return true;
 }
 void Decoder::initialize() {
   _initialized = true;
 }
 void Decoder::uninitialize() {
   if (_opened_elf_files != NULL) {
     delete _opened_elf_files;
     _opened_elf_files = NULL;
   }
   _initialized = false;
 }
 Decoder::decoder_status Decoder::decode(address addr, const char* filepath, char *buf, int buflen, int *offset) {
   if (_decoder_status != no_error) {
     return _decoder_status;
   }
   ElfFile* file = get_elf_file(filepath);
   if (_decoder_status != no_error) {
     return _decoder_status;
   }
   const char* symbol = file->decode(addr, offset);
   if (file->get_status() == out_of_memory) {
     _decoder_status = out_of_memory;
     return _decoder_status;
   } else if (symbol != NULL) {
     if (!demangle(symbol, buf, buflen)) {
       jio_snprintf(buf, buflen, "%s", symbol);
     }
     return no_error;
   } else {
     return symbol_not_found;
   }
 }
 ElfFile* Decoder::get_elf_file(const char* filepath) {
   if (_decoder_status != no_error) {
     return NULL;
   }
   ElfFile* file = _opened_elf_files;
   while (file != NULL) {
     if (file->same_elf_file(filepath)) {
       return file;
     }
     file = file->m_next;
   }
   file = new ElfFile(filepath);
   if (file == NULL) {
     _decoder_status = out_of_memory;
   }
   if (_opened_elf_files != NULL) {
     file->m_next = _opened_elf_files;
   }
   _opened_elf_files = file;
   return file;
 }
 #endif

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/utilities/decoder.cpp@3582bf76420e (annotated)

src/share/vm/utilities/decoder.cpp