JP2010518471A - 処理環境での命令実行の制御 - Google Patents
処理環境での命令実行の制御 Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/36—Preventing errors by testing or debugging software
- G06F11/3668—Software testing
- G06F11/3672—Test management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/28—Error detection; Error correction; Monitoring by checking the correct order of processing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/36—Preventing errors by testing or debugging software
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
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Abstract
【解決手段】命令実行は、処理をメインライン処理で継続すべきなのか失敗してテスト・セットにすべきなのかを判定する単一のテストによって制御される。この単一のテストは、動的にセットされる変数を命令カウンタと比較する。このテストが満足される場合には、メインライン処理が継続される。そうでない場合には、処理は、失敗してテスト・セットになる。
【選択図】図5
Description
Claims (15)
- 命令ストリームの命令ルーチンを実行することと、
前記命令ルーチンの実行に応答して、処理を前記命令ストリームの別の命令ルーチンに継続すべきなのか、あるいは失敗してテスト・セットになるべきなのかを判定するためにテストを使用することと、
前記判定に応答して前記別の命令ルーチンまたは前記テスト・セットを実行することと
を含む、処理環境で命令実行を制御する方法。 - 前記テストが、前記判定において、動的にセットされる変数を使用する、請求項1に記載の方法。
- 前記変数に、前記変数をセットするために実行される1つまたは複数のテストの結果に依存する値がセットされ、前記値が、前記命令ストリームの実行中に変更可能である、請求項2に記載の方法。
- 前記テストの前記使用が、どのように進行すべきかを判定するために、前記命令ルーチンの命令カウンタを前記変数の値と比較することを含む、請求項2に記載の方法。
- 前記テスト・セットが、複数の命令ルーチンによって使用可能であり、前記複数の命令ルーチンが前記テスト・セット・コードを欠くことを可能にする、請求項1に記載の方法。
- 前記テスト・セットが、複数のテスト・セットから以前に選択される、請求項1に記載の方法。
- 前記複数のテスト・セットが、命令ページ境界またぎテスト・セット、I−PERフェッチ・テスト・セット、I−Stepおよびadstopテスト・セット、開始および終了テスト・セット、ならびに統計収集実行モード決断テスト・セットのうちの少なくとも1つを含む、請求項6に記載の方法。
- 前記処理環境の状態の評価を実行することと、
前記評価に少なくとも部分的に基づいて前記テスト・セットを選択することと
をさらに含む、請求項1に記載の方法。 - 前記命令ルーチンが、ゲスト・アーキテクチャの1つまたは複数の命令をエミュレートする、請求項1に記載の方法。
- 前記処理環境が、エミュレートされた環境を含み、前記処理環境が、あるアーキテクチャに基づき、前記あるアーキテクチャとは異なる別のアーキテクチャをエミュレートする、請求項1に記載の方法。
- 前記別のアーキテクチャが、z/Architectureを含み、前記あるアーキテクチャが、非z/Architectureを含む、請求項10に記載の方法。
- 前記テストが、前記命令ルーチンに関連する復号/ディスパッチ・ルーチンに含まれ、前記命令ストリームの各命令ルーチンが、分散された復号/ディスパッチ・ルーチンを関連付けられる、請求項1に記載の方法。
- 前記別の命令ルーチンを、前記実行される命令ルーチンと同一または前記実行される命令ルーチンと異なるものにすることができる、請求項1に記載の方法。
- 請求項1ないし13のいずれかに記載の方法の全ステップを実行するように適合された手段を含むシステム。
- コンピュータ・システム上で実行される時に請求項1ないし13のいずれかに記載の方法の全ステップを実行する命令を含むコンピュータ・プログラム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/670,163 US7783867B2 (en) | 2007-02-01 | 2007-02-01 | Controlling instruction execution in a processing environment |
US11/670,163 | 2007-02-01 | ||
PCT/EP2008/050727 WO2008092778A2 (en) | 2007-02-01 | 2008-01-22 | Controlling instruction execution in a processing environment |
Publications (2)
Publication Number | Publication Date |
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JP2010518471A true JP2010518471A (ja) | 2010-05-27 |
JP5443172B2 JP5443172B2 (ja) | 2014-03-19 |
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Application Number | Title | Priority Date | Filing Date |
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JP2009547640A Active JP5443172B2 (ja) | 2007-02-01 | 2008-01-22 | 処理環境での命令実行の制御 |
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Country | Link |
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US (1) | US7783867B2 (ja) |
EP (1) | EP2115582B1 (ja) |
JP (1) | JP5443172B2 (ja) |
KR (1) | KR101013275B1 (ja) |
CN (1) | CN101601013B (ja) |
TW (1) | TWI410864B (ja) |
WO (1) | WO2008092778A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010518470A (ja) * | 2007-02-01 | 2010-05-27 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 命令実行を容易にするためのバッファの使用 |
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US9411591B2 (en) | 2012-03-16 | 2016-08-09 | International Business Machines Corporation | Run-time instrumentation sampling in transactional-execution mode |
US9158660B2 (en) | 2012-03-16 | 2015-10-13 | International Business Machines Corporation | Controlling operation of a run-time instrumentation facility |
US9405541B2 (en) | 2012-03-16 | 2016-08-02 | International Business Machines Corporation | Run-time instrumentation indirect sampling by address |
US9454462B2 (en) | 2012-03-16 | 2016-09-27 | International Business Machines Corporation | Run-time instrumentation monitoring for processor characteristic changes |
US9367316B2 (en) | 2012-03-16 | 2016-06-14 | International Business Machines Corporation | Run-time instrumentation indirect sampling by instruction operation code |
US9250902B2 (en) | 2012-03-16 | 2016-02-02 | International Business Machines Corporation | Determining the status of run-time-instrumentation controls |
US9471315B2 (en) * | 2012-03-16 | 2016-10-18 | International Business Machines Corporation | Run-time instrumentation reporting |
US9430238B2 (en) | 2012-03-16 | 2016-08-30 | International Business Machines Corporation | Run-time-instrumentation controls emit instruction |
US9280447B2 (en) | 2012-03-16 | 2016-03-08 | International Business Machines Corporation | Modifying run-time-instrumentation controls from a lesser-privileged state |
US9483268B2 (en) * | 2012-03-16 | 2016-11-01 | International Business Machines Corporation | Hardware based run-time instrumentation facility for managed run-times |
US9442824B2 (en) | 2012-03-16 | 2016-09-13 | International Business Machines Corporation | Transformation of a program-event-recording event into a run-time instrumentation event |
US9465716B2 (en) | 2012-03-16 | 2016-10-11 | International Business Machines Corporation | Run-time instrumentation directed sampling |
US9916185B2 (en) | 2014-03-18 | 2018-03-13 | International Business Machines Corporation | Managing processing associated with selected architectural facilities |
US9582295B2 (en) | 2014-03-18 | 2017-02-28 | International Business Machines Corporation | Architectural mode configuration |
US10311228B2 (en) | 2014-09-30 | 2019-06-04 | Apple Inc. | Using a fine-grained address space layout randomization to mitigate potential security exploits |
US10311227B2 (en) * | 2014-09-30 | 2019-06-04 | Apple Inc. | Obfuscation of an address space layout randomization mapping in a data processing system |
US11366800B2 (en) * | 2016-08-22 | 2022-06-21 | American Megatrends International, Llc | System and method to automate validating media redirection in testing process |
KR20240030359A (ko) * | 2022-08-30 | 2024-03-07 | 오픈엣지테크놀로지 주식회사 | 신경망에서의 연산방법 및 이를 위한 장치 |
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- 2008-01-22 KR KR1020097010817A patent/KR101013275B1/ko active IP Right Grant
- 2008-01-22 WO PCT/EP2008/050727 patent/WO2008092778A2/en active Application Filing
- 2008-01-22 EP EP08708092.5A patent/EP2115582B1/en active Active
- 2008-01-31 TW TW097103820A patent/TWI410864B/zh active
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JP2001306334A (ja) * | 2000-04-25 | 2001-11-02 | Nec Software Hokuriku Ltd | エミュレーション装置 |
JP2004516550A (ja) * | 2000-12-15 | 2004-06-03 | インテル・コーポレーション | パイプライン方式のプロセッサのための監視点エンジン |
JP2004110827A (ja) * | 2002-09-19 | 2004-04-08 | Arm Ltd | 複数の個別記憶アドレス領域内に記憶された可変長命令の実行 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010518470A (ja) * | 2007-02-01 | 2010-05-27 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 命令実行を容易にするためのバッファの使用 |
Also Published As
Publication number | Publication date |
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TWI410864B (zh) | 2013-10-01 |
WO2008092778A4 (en) | 2008-12-31 |
EP2115582A2 (en) | 2009-11-11 |
CN101601013A (zh) | 2009-12-09 |
EP2115582B1 (en) | 2019-04-10 |
WO2008092778A2 (en) | 2008-08-07 |
JP5443172B2 (ja) | 2014-03-19 |
US20080189529A1 (en) | 2008-08-07 |
US7783867B2 (en) | 2010-08-24 |
KR101013275B1 (ko) | 2011-02-09 |
CN101601013B (zh) | 2012-10-03 |
WO2008092778A3 (en) | 2008-11-13 |
TW200849089A (en) | 2008-12-16 |
KR20090084896A (ko) | 2009-08-05 |
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