August 2024
Intermediate to advanced
660 pages
9h 58m
Japanese
Content preview from Binary Hacks Rebooted ―低レイヤの世界を探検するテクニック89選
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5章デバッガ・トレーサHackHack #44–52
プログラミングにおいて、バグがないコードを書くこと、そして効率的に動作するコードを書くことは、重要課題だと言えるでしょう。そのためにはプログラムの動作を正確に理解する必要があります。本章ではそんなときの強力な助けとなるデバッガやトレーサに関するHackを紹介します。デバッガやトレーサを駆使し、ソースコードをただ読むだけではわからない、実行時のプログラムの一挙手一投足を追跡・解析できれば、難しいバグの原因を特定したり、パフォーマンスのボトルネックを発見することもできるでしょう。
本章の前半ではデバッグに役立つテクニックを紹介し、後半ではさまざまなトレーサを駆使してプログラムの挙動やパフォーマンスを解析する方法を紹介します。
![[level-medium]](/api/v2/epubs/urn:orm:book:9784814400850/files/images/level-medium.png)
HACK #44 gdb Tips
このHackでは状況に応じて利用できるgdbのさまざまなコマンドやTipsを、実行例とともに紹介します。
gdbには数多くのコマンドが実装されており、コマンドを学べば学ぶほど、さまざまな操作をgdbのみを用いて行えるようになります。直感的な操作が可能なグラフィカルなデバッガと比べると、コマンドを覚えないといけないのは面倒ではありますが、CLIさえあれば動かせるgdbは多様な環境で利用できるという利点を持っています。特にLinuxでは、コマンドを自在に扱えるようになれば、gdbは非常に強力なデバッガとなるでしょう。
コマンドを省略する
gdbでは、いくつかのコマンドに省略形が存在しています。たとえば ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.