How to debug C and C++ programs with rr | Red Hat Developer
The common theme in many time-travel movies is to go back in time to find out what went wrong and fix it. Developers also have that desire to go back in time and find why the code broke and fix it. But, often, that crucial step where everything went wrong happened long ago, and the information is no longer available. The rr project lets programmers examine the entire life of a C or C++ program run
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ライブラリã®å¤–ã«å…¬é–‹ã™ã‚‹ã‚·ãƒ³ãƒœãƒ«ã‚’制é™ã™ã‚‹ C言語ã«ã¯ãƒ•ã‚¡ã‚¤ãƒ«å†… (コンパイルå˜ä½) ã‹ã‚‰ã—ã‹ã‚¢ã‚¯ã‚»ã‚¹ã§ããªã„ static 関数ã¨ã€åˆ¥ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‹ã‚‰ã‚‚アクセスã§ãã‚‹éžstatic 関数ãŒã‚ã‚Šã¾ã™ã€‚ã—ã‹ã—ã€ãƒ©ã‚¤ãƒ–ラリを作æˆã™ã‚‹ä¸Šã§ã¯ã€ã“ã®2ã¤ã®ã‚¹ã‚³ãƒ¼ãƒ—ã ã‘ã§ã¯ä¸å分ãªã¨ããŒã‚ã‚Šã¾ã™ã€‚ 本記事ã§ã¯ GNUã®é–‹ç™ºç’°å¢ƒã«ãŠã„ã¦ã€ãƒ©ã‚¤ãƒ–ラリã®å¤–ã«å…¬é–‹ã™ã‚‹ã‚·ãƒ³ãƒœãƒ«ã‚’制é™ã™ã‚‹æ–¹æ³•ã‚’紹介ã—ã¾ã™ã€‚ 次ã®ã‚ˆã†ãªä¾‹ã‚’考ãˆã¦ã¿ã¾ã™ã€‚ % cat a.c // foo() 㯠libfoo ã®ä¸»å½¹ã®é–¢æ•°ãªã®ã§å…¬é–‹ã—ãŸã„ void foo() { bar(); } % cat b.c // bar() ã¯ãƒ©ã‚¤ãƒ–ラリã®ä¸ã ã‘ã§ä½¿ã‚れるã¹ããªã®ã§æœ¬å½“ã¯å…¬é–‹ // ã—ãŸããªã„。ã—ã‹ã—別ã®ãƒ•ã‚¡ã‚¤ãƒ«ã«å«ã¾ã‚Œã‚‹ foo() ã‹ã‚‰ä½¿ã‚ã‚Œ // ã¦ã„ã‚‹ã®ã§ã€éžstaticã«ã›ã–ã‚‹ã‚’ãˆãªã„ void bar() { } ã“ã®ã‚ˆã†ãªã‚³
C言語ã®ç¾ä»£åŒ–を目指ã™C2
Spring Bootã«ã‚ˆã‚‹APIãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰æ§‹ç¯‰å®Ÿè·µã‚¬ã‚¤ãƒ‰ 第2版 何åƒäººã‚‚ã®é–‹ç™ºè€…ãŒã€InfoQã®ãƒŸãƒ‹ãƒ–ック「Practical Guide to Building an API Back End with Spring Bootã€ã‹ã‚‰ã€Spring Bootを使ã£ãŸREST API構築ã®åŸºç¤Žã‚’å¦ã‚“ã 。ã“ã®æœ¬ã§ã¯ã€å‡ºç‰ˆæ™‚ã«æ–°ã—ãリリースã•ã‚ŒãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã‚ã‚‹ Spring Boot 2 を使用ã—ã¦ã„る。ã—ã‹ã—ã€Spring Boot3ãŒæœ€è¿‘リリースã•ã‚Œã€é‡è¦ãªå¤‰...
Understanding Misunderstandings in Source Code
Understanding Misunderstandings in Source Code Dan Gopstein?: Jake Iannacone?: Yu Yan^= Lois DeLong?: Yanyan Zhuang++ Martin K.-C. Yeh^= Justin Cappos?: ?:New York University, USA ++ University of Colorado, Colorado Springs, USA ^=Pennsylvania State University, USA ABSTRACT Humans often mistake the meaning of source code, and so mis- judge a program’s true behavior. These mistakes can be caused by
Useful GCC warning options not enabled by -Wall -Wextra
Note: This blog post was written for GCC 7. Later versions of the compiler may have added some of these warnings to -Wall or -Wextra. GCC can warn about questionable constructs in the source code, but most such warnings are not enabled by default – developers need to use the options -Wall and -Wextra to get all generally useful warnings. There are many additional warning options that are not enabl
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シグナルãŒé€ä¿¡ã•ã‚ŒãŸå ´åˆã«ã€ OSã¯å®›å…ˆã¨ãªã‚‹ç¨¼åƒä¸ã®ãƒ—ãƒã‚»ã‚¹ã®å‡¦ç†ã«å‰²ã‚Šè¾¼ã‚€ã“ã¨ãŒã§ãる。 （シグナル例） SIGINT  : 割り込ã¿(CTRL + C) SIGTSTP : 実行ä¸æ–(CTRL+Z) SIGTERM : 強制終了(killコマンドã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®ç™ºç”Ÿã™ã‚‹ã‚·ã‚°ãƒŠãƒ«) SIGHUP  : 擬似端末クãƒãƒ¼ã‚ºæ™‚ã®ãƒãƒ³ã‚°ã‚¢ãƒƒãƒ— シグナルをå—ä¿¡ã—ãŸãƒ—ãƒã‚»ã‚¹ã«ã‚·ã‚°ãƒŠãƒ«ãƒãƒ³ãƒ‰ãƒ©ã‚’登録ã—ã¦ãŠã‘ã°ã€ シグナルå—信時ã«ãã®ãƒ«ãƒ¼ãƒãƒ³ã‚’実行ã•ã›ã‚‹ã“ã¨ãŒã§ãる。 シグナルãƒãƒ³ãƒ‰ãƒ©ã¯ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«ãŠã„ã¦è€ƒæ…®ã™ã¹ã〠ã„ã‚ãšã‚‚ãŒãªã®ã®åŸºæœ¬ã§ã‚ã‚‹ãŒã€ã“れを安全ã«æ›¸ãã®ã¯é›£ã—ã„。 ã¾ãšã¯ã€ã‚·ã‚°ãƒŠãƒ«ãƒãƒ³ãƒ‰ãƒ©ã®åŸºæœ¬çš„ãªä½¿ã„方を復習ã™ã‚‹ã€‚ ã€ã‚·ã‚°ãƒŠãƒ«ã‚°ãƒŠãƒ«ãƒãƒ³ãƒ‰ãƒ©ã®åŸºç¤Žã€‘ ãŸã ã—種々ã®å•é¡ŒãŒã‚ã‚‹ã“ã¨ã‚’知ã£ã¦ãŠã‹ãªã‘ã‚Œã°ãªã‚‰ãªã„。 ã€ã‚·ã‚°ãƒŠãƒ«ã‚°ãƒŠãƒ«ãƒãƒ³ãƒ‰ãƒ©ã®å•é¡Œç‚¹ã€‘ ãã®å¯¾ç–ã‚’æœ€çµ‚ç« ã§æ¤œè¨Žã™ã‚‹ã€‚ ã€sigwai
GitHub - Andersbakken/rtags: A client/server indexer for c/c++/objc[++] with integration for Emacs based on clang.
RTags is a client/server application that indexes C/C++ code and keeps a persistent file-based database of references, declarations, definitions, symbolnames etc. There’s also limited support for ObjC/ObjC++. It allows you to find symbols by name (including nested class and namespace scope). Most importantly we give you proper follow-symbol and find-references support. We also have neat little thi
![GitHub - Andersbakken/rtags: A client/server indexer for c/c++/objc[++] with integration for Emacs based on clang.](https://cdn-ak-scissors.b.st-hatena.com/image/square/4d3d42994650cc3fbcd032b33d7f838954636d3e/height=288;version=1;width=512/https%3A%2F%2Fopengraph.githubassets.com%2F7ef1807d92e88c5e12b4d8a494f162134b01c325650f12e8ece58203b0a705cb%2FAndersbakken%2Frtags)
SEC BOOKS：ESCR Ver.2.0：ã€æ”¹è¨‚版】組込ã¿ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢é–‹ç™ºå‘㑠コーディング作法ガイド［C言語版］Ver.2.0：IPA 独立行政法人 æƒ…å ±å‡¦ç†æŽ¨é€²æ©Ÿæ§‹
HOMEç¤¾ä¼šåŸºç›¤ã‚»ãƒ³ã‚¿ãƒ¼å ±å‘Šæ›¸ãƒ»æ›¸ç±ãƒ»ãƒ„ール・教æ書ç±SEC BOOKS：ESCR Ver.2.0：ã€æ”¹è¨‚版】組込ã¿ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢é–‹ç™ºå‘㑠コーディング作法ガイド［C言語版］Ver.2.0
C/C++プãƒã‚°ãƒ©ãƒžã®ãŸã‚ã®é–‹ç™ºãƒ„ール - Cybozu Inside Out | サイボウズエンジニアã®ãƒ–ãƒã‚°
サイボウズ・ラボã®å…‰æˆã§ã™ã€‚ 先日ã€ç¤¾å†…ã§ä¸»ã«Linux上ã§C/C++を用ã„ã¦ã„る開発者å‘ã‘ã®è¬›ç¾©ã‚’ã—ã¾ã—ãŸã€‚ 「ã“ã‚“ãªã“ã¨ãŒã§ãã‚‹ã€ã¨çŸ¥ã£ã¦ã‚‚らã„ã€èˆˆå‘³ã‚’æŒã¦ã°å„自ã§å‹‰å¼·ã—ã¦ã‚‚らãŠã†ã¨åºƒãæµ…ãツールを紹介ã—ã¾ã—ãŸã€‚ gtags, ASan, Valgrind, addr2line, cppcheck, SystemTap, perfãªã©ã§ã™ã€‚ 興味ãŒã‚ã‚Œã°è¬›ç¾©è³‡æ–™ã€ŒC/C++プãƒã‚°ãƒ©ãƒžã®ãŸã‚ã®é–‹ç™ºãƒ„ールã€ã‚’ã”らんãã ã•ã„。 コンパイラオプション å—講者ã«ã¯æ–°äººã‚„サイボウズ・ラボユースã®å¦ç”Ÿã‚‚ã„ãŸã®ã§åŸºæœ¬çš„ãªã¨ã“ã‚ã‹ã‚‰ç´¹ä»‹ã—ã¾ã—ãŸã€‚ C/C++コンパイラを使ã†ã¨ãã¯ã§ãã‚‹ã ã‘è¦å‘Šã‚ªãƒ—ションをã¤ã‘ã‚‹ã®ãŒæœ›ã¾ã—ã„ã§ã™ã€‚ è¦å‘ŠãŒå‡ºã‚‹ã®ã¯è‡ªåˆ†ã®ã‚³ãƒ¼ãƒ‰ã®æ›¸ãæ–¹ã«ä¸å‚™ãŒã‚ã‚‹ã“ã¨ãŒå¤šã„ã‹ã‚‰ã§ã™ã€‚ gccã‚„clangã§ã¯-Wall -Wextraã¯åŸºæœ¬ã¨ã—ã¦ãれ以外ã«ã‚‚有用ãªã‚ªãƒ—ションãŒã‚ã‚Šã¾ã™ï¼ˆC++用
GitHub - isdrupter/busybotnet: Security For Embedeed Systems - One Bin to Rule Them All.
As you can see, we have added many new features to busybox. Particulary interesting are the cryptography applets. This is an incomplete list of the applets enabled during my last build: evil@devbox:~/busybotnet$ ./busybotnet hydra Hydra v8.2-dev (c) 2016 by van Hauser/THC - Please do not use in military or secret service organizations, or for illegal purposes. Syntax: hydra [[[-l LOGIN|-L FILE] [-
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GitHub - cmu-sei/SCALe: SCALe (Source Code Analysis Lab) is a static analysis aggregator/correlator which enables a source code analyst to combine static analysis results from multiple tools into one interface, and also provides mappings for diagnostics f
GitHub - thoni56/c-xrefactory: A refactoring tool for C/Yacc and Emacs. The first tool to cross Refactory Rubicon. Initial work, and released under GPL in 2009, by Marián Vittek.
ä¸æ‘ 実 on Twitter: "printfã¯printf("%3$d %1$s %2$f\n", "abc", 1.4, 1234); ã¿ãŸã„ã«%ã®å¾Œã«(æ•°å—)$を書ãã¨ã€å¼•æ•°ã®N番目をå‚ç…§ã™ã‚‹ã“ã¨ãŒã§ãã‚‹ãžã„。メッセージã®å›½éš›åŒ–ã®ãŸã‚ã®æ©Ÿèƒ½ã ãªã€‚"
GitHub - cs01/gdbgui: Browser-based frontend to gdb (gnu debugger). Add breakpoints, view the stack, visualize data structures, and more in C, C++, Go, Rust, and Fortran. Run gdbgui from the terminal and a new tab will open in your browser.
http://www.a-k-r.org/d/2016-07/2016-07-02-unix-socket-api-problem.pdf
GitHub - jart/disaster: Disassemble C/C++ code under cursor in Emacs
GitHub - rui314/minilisp: A readable lisp in less than 1k lines of C
GitHub - anp/rusl: An experimental (read: DONT USE) musl libc implementation in Rust.
Photo Tourism: Microsoft Research, Interactive Visual Media Group
GitHub - regit/coccigrep: Semantic grep for the C language based on coccinelle
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