WO2008126299A1 - コンパイル装置、コンパイル方法、およびコード生成プログラム - Google Patents

コンパイル装置、コンパイル方法、およびコード生成プログラム Download PDF

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Publication number
WO2008126299A1
WO2008126299A1 PCT/JP2007/057233 JP2007057233W WO2008126299A1 WO 2008126299 A1 WO2008126299 A1 WO 2008126299A1 JP 2007057233 W JP2007057233 W JP 2007057233W WO 2008126299 A1 WO2008126299 A1 WO 2008126299A1
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WO
WIPO (PCT)
Prior art keywords
write protection
instruction code
compile
code
past
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2007/057233
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English (en)
French (fr)
Inventor
Makoto Kozawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP2009508846A priority Critical patent/JP5040994B2/ja
Priority to PCT/JP2007/057233 priority patent/WO2008126299A1/ja
Publication of WO2008126299A1 publication Critical patent/WO2008126299A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45504—Abstract machines for programme code execution, e.g. Java virtual machine [JVM], interpreters, emulators
    • G06F9/45516—Runtime code conversion or optimisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Executing Special Programs (AREA)

Abstract

　動的コンパイラによるコンパイルの効率化を図り、プログラムを高速に実行すること。この課題を解決するために、インタプリタ（１１０）は、実行対象のプログラムから命令コードを取り出して、命令コードまたはコンパイル後の変換コードを実行する。また、インタプリタ（１１０）は、命令コードに対するライトプロテクションの設定・解除をし、ライトプロテクション違反の発生の有無をＷＰ管理テーブル（１４０）に記録する。ＷＰ管理テーブル（１４０）は、命令コードごとに過去にライトプロテクション違反が発生したか否かを記憶する。ＪＩＴコンパイラ（１５０）は、過去にライトプロテクション違反が発生していない命令コードについてはライトプロテクションを設定することを前提としたＷＰコードを生成し、過去にライトプロテクション違反が発生した命令コードについてはライトプロテクションを設定することを前提としない非ＷＰコードを生成する。
PCT/JP2007/057233 2007-03-30 2007-03-30 コンパイル装置、コンパイル方法、およびコード生成プログラム Ceased WO2008126299A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009508846A JP5040994B2 (ja) 2007-03-30 2007-03-30 コンパイル装置、コンパイル方法、およびコード生成プログラム
PCT/JP2007/057233 WO2008126299A1 (ja) 2007-03-30 2007-03-30 コンパイル装置、コンパイル方法、およびコード生成プログラム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/057233 WO2008126299A1 (ja) 2007-03-30 2007-03-30 コンパイル装置、コンパイル方法、およびコード生成プログラム

Publications (1)

Publication Number Publication Date
WO2008126299A1 true WO2008126299A1 (ja) 2008-10-23

Family

ID=39863480

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/057233 Ceased WO2008126299A1 (ja) 2007-03-30 2007-03-30 コンパイル装置、コンパイル方法、およびコード生成プログラム

Country Status (2)

Country Link
JP (1) JP5040994B2 (ja)
WO (1) WO2008126299A1 (ja)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SATOYAMA M. ET AL.: "Kumikomi System-yo JavaOS", COMPUTER SYSTEM SYMPOSIUM RONBUNSHU, vol. 98, no. 15, 19 November 1998 (1998-11-19), pages 47 - 54, XP003023905 *

Also Published As

Publication number Publication date
JP5040994B2 (ja) 2012-10-03
JPWO2008126299A1 (ja) 2010-07-22

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