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paella id:paella

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maloader - a mach-o loader for linux - å…¼é›‘è¨˜
https://github.com/shinh/maloader Linux ã§å‹•ã Mach-O loader ã‚’æ›¸ã„ã¦ã„ã¾ã™ã€‚ä½•ãŒã§ãã‚‹ã‹ã¨ã„ã†ã¨ã€ Mac ã®ãƒã‚¤ãƒŠãƒªãŒ Linux ã§ãã‚Œãªã‚Šã«å‹•ãã¾ã™ã€‚ä»Šã®ã¨ã“ã‚ã€ gcc ã€ otool ã€ nm ãªã©ã®ã€ã„ãã¤ã‹ã®ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ãƒ„ãƒ¼ãƒ«ã¨ã€ãã® gcc ãŒç”Ÿæˆã—ãŸç°¡å˜ãªãƒ—ãƒã‚°ãƒ©ãƒ ãªã‚“ã‹ãŒå‹•ãã¾ã™ã€‚ Safari ã¨ã‹ iTunes ã¨ã‹ã¯ã‚‚ã¡ã‚ã‚“å‹•ãã¾ã›ã‚“ã—ã€å‹•ãã‚ˆã†ã«ã—ãŸã„ã¨ã‚‚æ€ã£ã¦ãªã„ã§ã™ã€‚ ä»•çµ„ã¿ã¨ã—ã¦ã¯ã€å¼•æ•°ã«ä¸Žãˆã‚‰ã‚ŒãŸ Mach-O ãƒã‚¤ãƒŠãƒªã‚’é©å½“ã«èªã¿è¾¼ã‚“ã§ã€æŒ‡å®šã•ã‚ŒãŸé€šã‚Šã« mmap ã—ã¦ã€æœªå®šç¾©ãªã‚·ãƒ³ãƒœãƒ«ã¯ linux ã®ä¸–ç•Œã‹ã‚‰æŽ¢ã—ã¦ãã¦å†é…ç½®ã—ã¦ã€ã§ã‚¨ãƒ³ãƒˆãƒªãƒã‚¤ãƒ³ãƒˆã« jmp ã™ã‚‹ã€ã¨ã€‚ã¾ããƒãƒ¼ãƒ€ã®èª¬æ˜Žãã®ã¾ã‚“ã¾ã¨ã„ã†æ„Ÿã˜ã§ã™ã€‚ ãƒãƒ¼ãƒ€ã¯ã¾ã Mach-O ã®ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆãŒ mach-o/loader.h ã‹
paella 2011/03/17
Linuxã§å‹•ãMach-O loaderã€‚Macã®ãƒã‚¤ãƒŠãƒª(gcc/otool/nmãªã©ã„ãã¤ã‹ã®ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ãƒ„ãƒ¼ãƒ«ã¨ã€gccãŒç”Ÿæˆã—ãŸç°¡å˜ãªãƒ—ãƒã‚°ãƒ©ãƒ )ãŒ Linux ã§ãã‚Œãªã‚Šã«å‹•ãã€ã¨ã®ã“ã¨ã€‚ã¸ãƒ¼ï¼

linux

Mac

gcc
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ä»¥å‰ã€ã€ŒGCCæ‹¡å¼µã‚’ä½¿ã£ãŸusingã€ã¨ã„ã†è¨˜äº‹ã‚’æ›¸ãã¾ã—ãŸã€‚ã‚ã‚Œã‹ã‚‰2ãƒ¶æœˆåŠã»ã©çµŒã¡ã¾ã—ãŸãŒã€ä»Šã«ãªã£ã¦æ€ã†ã¨ã€è‚å¿ƒãªGCCæ‹¡å¼µã‚’å¿˜ã‚Œã¦ã„ãŸã“ã¨ã«æ°—ä»˜ãã¾ã™ã€‚"cleanup"ãŒãã‚Œã§ã™ã€‚ "cleanup"ã¯__attribute__ã§é–¢æ•°ã‚’æŒ‡å®šã™ã‚‹GCCæ‹¡å¼µã§ã™ã€‚"cleanup"ã‚’æŒ‡å®šã—ãŸè‡ªå‹•å¤‰æ•°ã¯ã€ãã®ç”Ÿå˜æœŸé–“ãŒçµ‚ã‚ã‚‹æ™‚ç‚¹ã§ã€æŒ‡å®šã—ãŸé–¢æ•°ãŒå‘¼ã³å‡ºã•ã‚Œã¾ã™ã€‚ã¤ã¾ã‚Šã€ãƒ‡ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ã¨åŒã˜ã“ã¨ãŒã§ãã‚‹ã‚ã‘ã§ã™ã€‚ è©±ã‚’ç°¡å˜ã«ã™ã‚‹ãŸã‚ã«ã€å¾Œå§‹æœ«ã¨ã—ã¦ã¯freeã§ãƒ¡ãƒ¢ãƒªã‚’è§£æ”¾ã™ã‚‹å ´åˆã«é™å®šã—ã¦è€ƒãˆã‚‹ã“ã¨ã«ã—ã¾ã™ã€‚ #include <stdio.h> #include <stdlib.h> #include <string.h> void cleanup(void *p) { free(*(void**)p); puts(__func__); } #define using(decl) \ f
paella 2011/01/14
ã€Œ__attribute__((cleanup(é–¢æ•°ãƒã‚¤ãƒ³ã‚¿))) å¤‰æ•°å®£è¨€ã€ã¨ã—ã¦æ›¸ãã¨ã€å¤‰æ•°ã®ã‚¹ã‚³ãƒ¼ãƒ—ã‹ã‚‰æŠœã‘ãŸã¨ãã«è‡ªå‹•çš„ã«é–¢æ•°ãƒã‚¤ãƒ³ã‚¿ã§ç¤ºã™é–¢æ•°ã‚’å‘¼ã‚“ã§ãã‚Œã‚‹ã€‚ç°¡æ˜“çš„ãªãƒ‡ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ã€‚

gcc

c
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GCC 4.6 Release Series â€” Changes, New Features, and Fixes - GNU Project - Free Software Foundation (FSF)
GCC 4.6 Release Series Changes, New Features, and Fixes Caveats The options -b <machine> and -V <version> have been removed because they were unreliable. Instead, users should directly run <machine>-gcc when cross-compiling, or <machine>-gcc-<version> to run a different version of gcc. GCC now has stricter checks for invalid command-line options. In particular, when gcc was called to link object f
paella 2011/01/12
GCC4.6ã‹ã‚‰Objective-C 2.0ã®è‰²ã€…ãŒã‘ã£ã“ã†ä½¿ãˆã‚‹ã‚ˆã†ã«ãªã£ãŸã¨ã„ã†Changelog

gcc

Objective-C

Objective-C++
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http://opensource.apple.com/source/gcc/gcc-5664/README.Apple
paella 2011/01/12
Appleã§ã¯ãƒ“ãƒ«ãƒ‰ã§ã“ã‚“ãªè¨å®šã‚’ã—ã¦ã„ã¾ã™ã‚ˆã€ã¨ã„ã†èª¬æ˜Žã€‚buildä»¥ä¸‹ã«ã©ã‚“ãªãµã†ã«é…ç½®ã™ã‚‹ã‹ã¨ã„ã£ãŸè¨å®š

GCC

apple
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Compiler Benchmarks Of GCC, LLVM-GCC, DragonEgg, Clang - Phoronix
Compiler Benchmarks Of GCC, LLVM-GCC, DragonEgg, Clang Written by Michael Larabel in Software on 8 November 2010 at 05:00 AM EST. Page 1 of 7. 62 Comments. LLVM 2.8 was released last month with the Clang compiler having feature-complete C++ support, enhancements to the DragonEgg GCC plug-in, a near feature-complete alternative to libstdc++, a drop-in system assem bler, ARM code-generation improveme
paella 2010/11/10
LLVM/Clangã‚„å„ç¨®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã®GCCãªã©ã€è‰²ã€…ãªã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã‚’ä½¿ã£ã¦å°ãƒ‘ã‚¤ãƒ«ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã‚’è¨ˆæ¸¬ã—ãŸã¾ã¨ã‚è¨˜äº‹ã€‚LLVM/ClangãŒçµ¶å¯¾ã§ã¯ãªã‹ã£ãŸã‚Šã€gccã®å¤ã„ã‚‚ã®ã®æ–¹ãŒé€Ÿã„ã‚±ãƒ¼ã‚¹ã‚‚ã‚ã£ãŸã‚Šã¨é¢ç™½ã„ã€‚

gcc

llvm
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bwinÂ·å¿…èµ¢(ä¸å›½)å”¯ä¸€å®˜æ–¹ç½‘ç«™
paella 2010/04/15
GCCã®ã‚³ãƒ¼ãƒ‰è§£æžå™¨ã‚’åˆ©ç”¨ã—ãŸé–‹ç™ºæ´åŠ©ãƒ„ãƒ¼ãƒ«ã€ã¨ã®ã“ã¨ã€‚ã‚¹ã‚¯ãƒªãƒ¼ãƒ³ã‚·ãƒ§ãƒƒãƒˆã‚’è¦‹ã‚‹é™ã‚Šã€ã‹ãªã‚Šä¾¿åˆ©ãã†ã€‚ä»Šå¾Œã®å±•é–‹ã«æœŸå¾…ã€‚

GCC

Programming

GCCSense
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Coroutines in C
by Simon Tatham [Coroutines trilogy: C preprocessor | C++20 native | general philosophy ] Introduction Structuring a large program is always a difficult job. One of the particular probl ems that often comes up is this: if you have a piece of code producing data, and another piece of code consuming it, which should be the caller and which should be the callee? Here is a very simple piece of run-leng
paella 2010/01/07
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hack

gcc

coroutine

å‹‰å¼·

fiber
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æœ€æ–°ï¼£ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ãƒ¼ã®æœ€é©åŒ–äº‹æƒ… - Radium Software
State of the art C compiler optimization tricks, Felix von Leitner, Linux Kongress 2009. æœ€è¿‘ã®ï¼£ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ãƒ¼ã®æœ€é©åŒ–èƒ½åŠ›ã«ã¤ã„ã¦ã¾ã¨ã‚ãŸãƒ—ãƒ¬ã‚¼ãƒ³ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã€‚å®šæ•°ã®æ‰±ã„ã‚„ã‚¤ãƒ³ãƒ©ã‚¤ãƒ³å±•é–‹ãªã©ã®åŸºæœ¬çš„ãªé …ç›®ã‹ã‚‰å§‹ã¾ã£ã¦ï¼Œåˆ†å²ã®å‰Šé™¤ã‚„ãƒ™ã‚¯ãƒˆãƒ«åŒ–ï¼Œ SIMD åŒ–ãªã©ï¼Œæœ€æ–°ã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ãƒ¼ã«æè¼‰ã•ã‚Œã¦ã„ã‚‹æ§˜ã€…ãªæ©Ÿèƒ½ã«ã¤ã„ã¦èª¿ã¹ã¦ã„ã‚‹ã€‚ ã“ã®æ‰‹ã®åˆ†å²ã®å‰Šé™¤ã¯ã»ã¨ã‚“ã©ã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ãƒ¼ã§æœ‰åŠ¹ã‚‰ã—ã„ã€‚ ãƒ™ã‚¯ãƒˆãƒ«åŒ–ã«ã¤ã„ã¦ã¯ gcc ãŒã ã„ã¶é ‘å¼µã£ã¦ã„ã‚‹å°è±¡ã€‚ ã€Œgcc ã¯å…¨ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã«ãŠã„ã¦ãƒ“ãƒ‡ã‚ªã‚³ãƒ¼ãƒ‡ãƒƒã‚¯ãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ã‚ˆã‚Šè³¢ã„ã€ ã“ã‚Œã‚‰ã®æœ€é©åŒ–ãŒå®Ÿéš›ã®ã‚³ãƒ¼ãƒ‰ã§ã©ã®ã‚ˆã†ã«æ©Ÿèƒ½ã™ã‚‹ã‹æ°—ã«ãªã£ã¦é€†ã‚¢ã‚»ãƒ³ãƒ–ãƒªã‚³ãƒ¼ãƒ‰ã‚’è¦—ã„ã¦ã¿ã‚‹äººã‚‚å°‘ãªããªã„ã¨æ€ã†ã‘ã‚Œã©ï¼Œãã‚Œã‚’ä»£ã‚ã‚Šã«ã‚„ã£ã¦ãã‚ŒãŸæ„Ÿã˜ã ã€‚ã“ã®æ‰‹ã®è©±é¡Œã«èˆˆå‘³ãŒã‚ã‚‹äººãªã‚‰ã°ï¼Œç›®ã‚’é€š
paella 2009/12/28
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gcc

optimization

c

programming

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Cãƒ—ãƒªãƒ—ãƒã‚»ãƒƒã‚µãƒ¡ã‚¿ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã§ã€æ–‡å—åˆ—ç³»æ³¥æ²¼é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° - ç°¡æ½”ãªQ
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paella 2009/11/09
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c

programming

gcc

ã“ã‚Œã¯ã™ã”ã„
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Predefined gcc #defines (Nat!'s Web Journal)
paella 2009/09/30
äº‹å‰å®šç¾©ã•ã‚ŒãŸdefineãƒžã‚¯ãƒã‚’ãƒã‚§ãƒƒã‚¯ã§ãã‚‹ã‚³ãƒžãƒ³ãƒ‰ã€Œecho | gcc -dM -E -x c - | sortã€ã“ã‚Œã¯ä¾¿åˆ©ã€‚

gcc

tips
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gccã«ãŠã‘ã‚‹atomicæ“ä½œå‘½ä»¤ã®å€‹åˆ¥é–¢æ•°
ï»¿ gccã¨VC x86/x64ç’°å¢ƒã§é–‹ç™ºã™ã‚‹ä¸Šã§, gccã¨VCã¯ã©ã¡ã‚‰ã‚‚éžå¸¸ã«å„ªã‚ŒãŸC/C++ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã§ã™. ãŸã Linuxã¨Windowsã®ã©ã¡ã‚‰ã®ç’°å¢ƒã§ã‚‚å‹•ä½œã™ã‚‹ã‚ˆã†ãªC/C++ã‚³ãƒ¼ãƒ‰ã‚’æ›¸ããŸã‚ã«ã¯, gccã¨VC, ãŠã‚ˆã³ãã‚Œã‚‰ãŒå‹•ä½œã™ã‚‹OSã®é•ã„ãŒå•é¡Œã«ãªã‚‹ã“ã¨ãŒã‚ã‚Šã¾ã™. ã“ã“ã§ã¯ãã‚Œã‚‰ã®é•ã„ã«ã¤ã„ã¦ã¾ã¨ã‚ã¦ã„ããŸã„ã¨æ€ã„ã¾ã™. ãªãŠèª¬æ˜Žã‚’ç°¡å˜ã«ã™ã‚‹ãŸã‚ã«ãƒžã‚¯ãƒã‚’å¤šç”¨ã—ã¦ã„ã¾ã™ãŒå®Ÿéš›ã«ã¯å¯èƒ½ãªã‚‰åˆ¥ã®æ‰‹æ®µã‚’ã¨ã‚‹ã‹, åå‰ãŒã¶ã¤ã‹ã‚‰ãªã„ã‚ˆã†ãªå‘½åè¦å‰‡ã«å‰‡ã£ãŸãƒžã‚¯ãƒåã‚’ã¤ã‘ã‚‹ã“ã¨ã‚’ãŠè–¦ã‚ã—ã¾ã™. å¯¾è±¡ å®šç¾©æ¸ˆã¿ãƒžã‚¯ãƒ æœ‰ç”¨ãªãƒžã‚¯ãƒ ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã‚ªãƒ—ã‚·ãƒ§ãƒ³ æ¼”ç®—åã®ä»£æ›¿è¡¨ç¾ã®æŠ‘åˆ¶ æ—¥æœ¬èªžã®ã‚³ãƒ¡ãƒ³ãƒˆ åž‹ pragma attributeã¨declspec ãƒ•ã‚¡ã‚¤ãƒ«å…¥å‡ºåŠ› ãƒ†ã‚ã‚¹ãƒˆã¨ãƒã‚¤ãƒŠãƒª å·¨å¤§ãªãƒ•ã‚¡ã‚¤ãƒ« staticå¤‰æ•°ã®åˆæœŸåŒ– snprintf ä¾‹å¤–ãƒãƒ³ãƒ‰ãƒ© intrinsicé–¢æ•°
paella 2009/08/06
GCC(4.3)ã¨VC(2008SP1)ã§ç§»æ¤æ€§ã‚’æ„è˜ã™ã‚‹æ™‚ã«æ°—ã‚’ä»˜ã‘ã‚‹ç‚¹ãŒã¾ã¨ã‚ã¦ã‚ã‚‹ã€‚è‰¯è¨˜äº‹ã€‚

c

windows

gcc

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