hotspot/src/share/vm/compiler/disassembler.hpp
author kvn
Mon, 24 Sep 2012 10:30:14 -0700
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permissions -rw-r--r--
7200163: add CodeComments functionality to assember stubs Summary: Pass the codeBuffer to the Stub constructor, and adapts the disassembler to print the comments. Reviewed-by: jrose, kvn, twisti Contributed-by: goetz.lindenmaier@sap.com
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/*
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 * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_COMPILER_DISASSEMBLER_HPP
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#define SHARE_VM_COMPILER_DISASSEMBLER_HPP
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#include "asm/codeBuffer.hpp"
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#include "runtime/globals.hpp"
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#ifdef TARGET_OS_FAMILY_linux
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# include "os_linux.inline.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_solaris
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# include "os_solaris.inline.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_windows
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# include "os_windows.inline.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_bsd
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# include "os_bsd.inline.hpp"
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#endif
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class decode_env;
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// The disassembler prints out assembly code annotated
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// with Java specific information.
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class Disassembler {
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  friend class decode_env;
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 private:
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  // this is the type of the dll entry point:
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  typedef void* (*decode_func)(void* start, void* end,
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                               void* (*event_callback)(void*, const char*, void*),
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                               void* event_stream,
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                               int (*printf_callback)(void*, const char*, ...),
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                               void* printf_stream,
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                               const char* options);
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  // points to the library.
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  static void*    _library;
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  // bailout
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  static bool     _tried_to_load_library;
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  // points to the decode function.
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  static decode_func _decode_instructions;
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  // tries to load library and return whether it succedded.
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  static bool load_library();
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  // Machine dependent stuff
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#ifdef TARGET_ARCH_x86
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# include "disassembler_x86.hpp"
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#endif
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#ifdef TARGET_ARCH_sparc
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# include "disassembler_sparc.hpp"
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#endif
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#ifdef TARGET_ARCH_zero
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# include "disassembler_zero.hpp"
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#endif
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#ifdef TARGET_ARCH_arm
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# include "disassembler_arm.hpp"
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#endif
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#ifdef TARGET_ARCH_ppc
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# include "disassembler_ppc.hpp"
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#endif
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 public:
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  static bool can_decode() {
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    return (_decode_instructions != NULL) || load_library();
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  }
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  static void decode(CodeBlob *cb,               outputStream* st = NULL);
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  static void decode(nmethod* nm,                outputStream* st = NULL);
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  static void decode(address begin, address end, outputStream* st = NULL, CodeComments c = CodeComments());
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};
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#endif // SHARE_VM_COMPILER_DISASSEMBLER_HPP