[B! assembler] mogwaingã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

mogwaing id:mogwaing

assemblerã«é–¢ã™ã‚‹mogwaingã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (18)

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CPUã‚¯ãƒãƒƒã‚¯ã«åŸºã¥ãç›¸å¯¾æ™‚åˆ»ã®è¨ˆæ¸¬
[ C++ã§é–‹ç™º ] CPUã‚¯ãƒãƒƒã‚¯ã«åŸºã¥ãç›¸å¯¾æ™‚åˆ»ã®è¨ˆæ¸¬ CPUã®ã‚¯ãƒãƒƒã‚¯ã«åŸºã¥ãé›»æºONã‹ã‚‰ã®ç›¸å¯¾æ™‚åˆ»ã‚’å–å¾—ã™ã‚‹æ–¹æ³•ã‚’èª¿æŸ»ã—è¨˜è¿°ã—ã¾ã™ã€‚æœ€è¿‘ã®CPUã¯ã€ã‚¯ãƒãƒƒã‚¯ã«å¾“ã£ã¦ã‚«ã‚¦ãƒ³ãƒˆã‚¢ãƒƒãƒ—ã™ã‚‹ãƒ¬ã‚¸ã‚¹ã‚¿ã‚’ä¿æŒã—ã¦ã„ã‚‹ã®ã§ã€ã“ã®ãƒ¬ã‚¸ã‚¹ã‚¿ã®å€¤ã‚’èªã¿å‡ºã™ã“ã¨ã§CPUãŒèµ·å‹•ã—ã¦ã‹ã‚‰ã®ã‚¯ãƒãƒƒã‚¯æ•°ã‚’å–å¾—ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ä¾‹ãˆã°1GHzã®å‹•ä½œå‘¨æ³¢æ•°ã®CPUã§ã‚ã‚Œã°ã€åˆ†è§£èƒ½ã¯1nsï¼ˆãƒŠãƒŽç§’ï¼‰ã¨ãªã‚Šã¾ã™ã€‚éžå¸¸ã«é«˜ç²¾åº¦ãªåˆ†è§£èƒ½ã§ã™ã€‚ 2012-09-22 TSCã®ç¨®é¡žã«ã¤ã„ã¦è¿½è¨˜ RDTSCPå‘½ä»¤ã«ã¤ã„ã¦è¿½è¨˜ VisualC++ã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©çµ„ã¿è¾¼ã¿é–¢æ•°__rdtsc/__rdtscpã«ã¤ã„ã¦è¿½è¨˜ Intel x86ç³»CPU RDTSC CPUå‘½ä»¤ã‚’ç›´æŽ¥åˆ©ç”¨ Intel x86ç³»ã®CPUï¼ˆAMDã®Athlonç‰ã‚‚å«ã‚€ï¼‰ã§ã¯ã€CPUã‚¯ãƒãƒƒã‚¯ã”ã¨ã«åŠ ç®—ã•ã‚Œã‚‹64bitã®ã‚¿ã‚¤ãƒ ã‚¹ã‚¿ãƒ³ãƒ—ã‚«ã‚¦ãƒ³ã‚¿ï¼ˆIA32_TIME_ST
mogwaing 2013/11/25
profiling

cpu

linux

gcc

performance

rdtsc

assembler
ãƒªãƒ³ã‚¯
With Unz- an Advanced Optimization for x86-CPU -
mogwaing 2007/10/28
hacker

c

c++

assembler
ãƒªãƒ³ã‚¯
Assembly Programming Linux (system call)
ä»˜éŒ² B. ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã®ä»•çµ„ã¿ ã™ã§ã«èª¬æ˜Žã—ãŸ(4. Linux ã‚«ãƒ¼ãƒãƒ«ã¨ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«) ã‚ˆã†ã« Linux ã® ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã¯ãƒ¬ã‚¸ã‚¹ã‚¿ã«å¼•æ•°ã‚’è¨å®šã—ã¦ int 0x80 ã«ã‚ˆã‚‹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ å‰²ã‚Šè¾¼ã¿ã§å‘¼ã³å‡ºã—ã¾ã™ï¼Ž ã“ã“ã§ã¯ linux-2.2.16 ã®ã‚½ãƒ¼ã‚¹ã‹ã‚‰å®Ÿéš›ã«ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«å‘¼ã³å‡ºã—ã® ä»•çµ„ã¿ã‚’æ¬¡ã®ï¼“ã¤ã®éƒ¨åˆ†ã«ã‚ã‘ã¦è§£èª¬ã—ã¾ã™ï¼Ž å‰²è¾¼ã¿ã«ã‚ˆã‚‹ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã‚’ã‚«ãƒ¼ãƒãƒ«ãŒåˆæœŸåŒ–ã™ã‚‹éƒ¨åˆ† ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ãŒå‘¼ã³å‡ºã•ã‚ŒãŸå ´åˆã«å®Ÿè¡Œã•ã‚Œã‚‹éƒ¨åˆ† ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã®å®Ÿè£… ã€æ³¨ã€‘ ã‚½ãƒ¼ã‚¹ãƒªã‚¹ãƒˆä¸ã§è¡Œé ã®æ•°å—ã¯è¡Œç•ªå·ã‚’ç¤ºã—ã¦ã„ã¾ã™ï¼Ž ã‚«ãƒ¼ãƒãƒ«ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã«ã‚ˆã£ã¦å·®ãŒã‚ã‚Šã¾ã™ãŒç›®å®‰ã«ã¯ãªã‚‹ã§ã—ã‚‡ã†ï¼Ž 1. å‰²è¾¼ã¿ã«ã‚ˆã‚‹ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã‚’ã‚«ãƒ¼ãƒãƒ«ãŒåˆæœŸåŒ–ã™ã‚‹éƒ¨åˆ† æœ€åˆã«ã‚«ãƒ¼ãƒãƒ«ã®èµ·å‹•éƒ¨åˆ†ã§å‰²ã‚Šè¾¼ã¿ãƒ†ãƒ¼ãƒ–ãƒ«ã®è¨å®šã‚’ã—ã¦ã„ã¾ã™ï¼Ž /usr/src/linux/init/main.c: 1350 as
mogwaing 2007/09/27
linux

system call

assembler
ãƒªãƒ³ã‚¯
Linux ã‚«ãƒ¼ãƒãƒ«ã®ã‚³ãƒ³ãƒ†ã‚ã‚¹ãƒˆã‚¹ã‚¤ãƒƒãƒå‡¦ç†ã‚’èªã¿è§£ã - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
Linux ã‚«ãƒ¼ãƒãƒ«ã®ãƒ—ãƒã‚»ã‚¹ã‚¹ã‚±ã‚¸ãƒ¥ãƒ¼ãƒ©ã®æ ¸ã§ã‚ã‚‹ kernel/sched.c ã® schedule() ã‚’èªã¿é€²ã‚ã¦ã„ãã¨ã€ã‚¿ã‚¹ã‚¯åˆ‡ã‚Šæ›¿ãˆ(å®Ÿè¡Œã‚³ãƒ³ãƒ†ã‚ã‚¹ãƒˆåˆ‡ã‚Šæ›¿ãˆ)ã¯ãã®åã‚‚ context_switch() ã¨ã„ã†é–¢æ•°ã«é›†ç´„ã•ã‚Œã¦ã„ã‚‹ã“ã¨ãŒåˆ†ã‹ã‚Šã¾ã™ã€‚2.6.20 ã® kernel/sched.c ã ã¨ä»¥ä¸‹ã®ã‚³ãƒ¼ãƒ‰ã§ã™ã€‚ 1839 static inline struct task_struct * 1840 context_switch(struct rq *rq, struct task_struct *prev, 1841 struct task_struct *next) 1842 { 1843 struct mm_struct *mm = next->mm; 1844 struct mm_struct *oldmm = prev->active_mm; 1845 184
mogwaing 2007/09/27
linux

kernel

x86

assembler
ãƒªãƒ³ã‚¯
oklab -
æœ€è¿‘ã§ã¯ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãƒ¼ã€ã‚¦ã‚§ãƒ–ã€ãƒ¢ãƒã‚¤ãƒ«ã§ã‚²ãƒ¼ãƒ ã‚’æ¥½ã—ã‚ã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸã€‚ã“ã‚Œã‚‰ã®ã‚²ãƒ¼ãƒ ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«ã¤ã„ã¦å¦ã³ã¾ã—ã‚‡ã†ã€‚ ã‚²ãƒ¼ãƒ ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®ç‰¹å¾´ ã‚²ãƒ¼ãƒ ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¯æ¯”è¼ƒçš„æ–°ã—ã„ã‚¸ãƒ£ãƒ³ãƒ«ã§ã™ã€‚ ã‚²ãƒ¼ãƒ é–‹ç™ºã«ä½¿ç”¨ã•ã‚Œã‚‹è¨€èªžã¯ã€C#ã€C++ã€JavaScriptã€Swiftã€Rubyã§ã™ã€‚ã‚²ãƒ¼ãƒ ã§ã¯é€šå¸¸ã®ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã¨ç•°ãªã‚Šè¤‡é›‘ãªãƒ“ã‚¸ãƒ¥ã‚¢ãƒ«ã‚’æ“ä½œã™ã‚‹ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã¨é€Ÿåº¦ãŒè¦æ±‚ã•ã‚Œã¾ã™ã®ã§ã€ãƒ—ãƒã‚°ãƒ©ãƒ è¨€èªžã‚‚ãã‚Œã«ç‰¹åŒ–ã—ã¦ã„ã‚‹è¨€èªžãŒãŠã™ã™ã‚ã§ã™ã€‚ ã‚²ãƒ¼ãƒ ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¯ä»Šå¾Œã‚‚äººæ°—ã®è·ç¨®ã§ã™ã€‚ç¿’å¾—ã—ã¦ã‚¹ãƒ†ãƒƒãƒ—ã‚¢ãƒƒãƒ—ã‚’ç›®æŒ‡ã—ã¾ã—ã‚‡ã†ã€‚ Oracle PLã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã«ã¤ã„ã¦å¦ã³ã¾ã—ã‚‡ã†ã€‚ Oracle PLã®ç‰¹å¾´ SQLã€T-SQLã¨åŒæ§˜ã«Oracle PLã‚‚ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚’å‡¦ç†ã™ã‚‹ãŸã‚ã®è¨€èªžã§ã™ã€‚é•ã„ã¨ã—ã¦ã¯Oracle PLã¯ä¸–ç•Œæœ€å¤§ã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ã²ã¨ã¤ã§ã‚ã‚‹Oracleãƒ‡
mogwaing 2007/08/30
gas

assembler
ãƒªãƒ³ã‚¯
GASãƒªãƒ³ã‚¯é›†
http://www.gnu.org/software/binutils/manual/gas-2.9.1/html_chapter/as_toc.html
mogwaing 2007/08/28
gas

assembler

ã¾ã¨ã‚
ãƒªãƒ³ã‚¯
x86 Assembly/GNU assembly syntax - Wikibooks, open books for an open world
General Information[edit | edit source] Examples in this article are created using the AT&T assem bly syntax used in GNU AS. The main advantage of using this syntax is its compatibility with the GCC inline assem bly syntax. However, this is not the only syntax that is used to represent x86 operations. For example, NASM uses a different syntax to represent assem bly mnemonics, operands and addressing
mogwaing 2007/08/28
x86

gas

assembler
ãƒªãƒ³ã‚¯
Assembly Programming Linux
Linux ã§ã‚¢ã‚»ãƒ³ãƒ–ãƒªãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° copyright (C) 2000-2003 Jun Mizutani (mizutani.jun@nifty.ne.jp) ã¯ã˜ã‚ã«ï¼Ž ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã‚’ä½¿ã£ã¦ Linux ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã§éŠã‚“ã§ã¿ã¾ã™ï¼Žã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã«ã¯ NASM ã‚’ä½¿ç”¨ã—ã¦ï¼Œã‚«ãƒ¼ãƒãƒ«ã‚’ç›´æŽ¥åˆ©ç”¨ã™ã‚‹ã“ã¨ã«ã—ã¾ã™ï¼Ž ã„ã¾ã•ã‚‰ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã§ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ä½œæˆã™ã‚‹ã“ã¨ã¯ï¼Œæ™‚ä»£éŒ¯èª¤ã¨æ„Ÿã˜ã‚‹äººã‚‚ å¤šã„ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ï¼Žã€Œã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã§ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ãªã‚“ã¦è·äººèŠ¸ã§ã—ã‚‡ã†ã€ ã¨æ€ã†ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ï¼Ž 20å¹´å‰ã§ã¯è¶£å‘³ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¯ BASIC ã‹ ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã—ã‹é¸æŠžè‚¢ãŒã‚ã‚Šã¾ã›ã‚“ ã§ã—ãŸãŒï¼Œä»Šã§ã¯Perl, Ruby ã‹ã‚‰ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã¾ã§ã®é–“ã«éžå¸¸ã«å¤šãã®è¨€èªžãŒã‚ã£ã¦ï¼Œ ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã¯æ™®é€šã§ã¯ä¸è¦ãªæœ€ä¸‹å±¤ã®çŸ¥è˜ã¨ãªã£ã¦ã„ã‚‹ã¨æ€ã„ã¾ã™ï¼Ž 10BaseT ã®ãƒ„ã‚¤ã‚¹ãƒˆãƒšã‚¢ã‚±ãƒ¼ãƒ–ãƒ«ã®ã‚¤ãƒ³ãƒ”ãƒ¼ãƒ€ãƒ³ã‚¹
mogwaing 2007/08/26
linux

assembler
ãƒªãƒ³ã‚¯
Jun's Homepage
[j3w] [jdu] [rvtl] [jsh] [linux asm] [Linux Zaurus] [Linux PPC] [frame buffer] [æŽ²ç¤ºæ¿] [Mesa] [pov-ray] [kuro] What's new. çŽ„ç®±PROã®miconapläº’æ›ã‚³ãƒžãƒ³ãƒ‰ã®ä½œæˆ (08/30/2008) ã‚ªãƒªã‚¸ãƒŠãƒ«ã® miconapl ã¨ã»ã¼äº’æ›ã§ä½¿ç”¨ã§ãã‚‹ãƒžã‚¤ã‚³ãƒ³åˆ¶å¾¡ãƒ—ãƒã‚°ãƒ©ãƒ ã®ä¿®æ£ç‰ˆã§ã™ï¼ŽæŽ’ä»–ãƒãƒƒã‚¯ã‚’çµ„ã¿è¾¼ã‚“ã§ã¿ã¾ã—ãŸï¼Ž çŽ„ç®±PROã®ã‚·ã‚¹ãƒ†ãƒ ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ— (08/16/2008) çŽ„ç®±PROã®ã‚·ã‚¹ãƒ†ãƒ ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã¨ãƒªã‚¹ãƒˆã‚¢ã®æ‰‹é †ã§ã™ï¼Žå‚™å¿˜éŒ²ã¨ã—ã¦ã¾ã¨ã‚ã¾ã—ãŸï¼Ž J3W ver.5.51 (Windows XP SP2/Vista DirectX9ç‰ˆ)ã‚’ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚¢ãƒƒãƒ—ï¼ˆ07/27/2008ï¼‰ Direct3Dç‰ˆã¨ã—ã¦ã¯ç´„11å¹´ã¶ã‚Šã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚¢ãƒƒãƒ—ã§ã™ï¼Žã‚„ã£ã¨ver
mogwaing 2007/08/26
linux

powerpc

ppc

assembler

ã¾ã¨ã‚
ãƒªãƒ³ã‚¯
ã‚¢ã‚¸ã‚¢ã®ãƒšãƒ³ã‚®ãƒ³: ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã®å‹‰å¼·æ–¹æ³•
ãƒ€ãƒ³ãƒ—ã‚’è§£æžã™ã‚‹ã¨ããªã©ã¯ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã‚’ç†è§£ã—ã¦ã„ãªã„ã¨ã„ã‘ã¾ã›ã‚“ã€‚å‹‰å¼·ã—ã‚ˆã†ã¨æ€ã£ã¦ã‚‚æœ€åˆã¯æ„å‘³ä¸æ˜Žã§ã‚„ã‚Šã¥ã‚‰ã„ã®ã§ã™ãŒã€ç°¡å˜ã§ã‚ã‹ã‚Šã‚„ã™ã„æ–¹æ³•ãŒã‚ã‚Šã¾ã™ã€‚å®Ÿå‹™çš„ã«ã¯ã“ã‚Œã§ååˆ†ã ã¨æ€ã„ã¾ã™ã®ã§ã”ç´¹ä»‹ã—ã¾ã™ã€‚ ã“ã®æ–¹æ³•ã§ã¯Linuxãƒžã‚·ãƒ³ã‚’ç”¨æ„ã™ã‚Œã°ã„ã„ã ã‘ã§ã™ã€‚(æœ¬ã‚’æŽ¢ã—ãŸã‚Šã€è³¼å…¥ã™ã‚‹å¿…è¦ã‚‚ãªã—) ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã‚’ç†è§£ã™ã‚‹ãŸã‚ã«ã¯CPUã®ãƒ¬ã‚¸ã‚¹ã‚¿ãªã©ã‚’ç†è§£ã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ç§ãŒå®Ÿéš›ã«ãƒ€ãƒ³ãƒ—ã‚’è§£æžã™ã‚‹ã¨ãã«è¦‹ã‚‹ã®ã¯EIPã€ESPãã‚‰ã„ã§ã™ã€‚ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã‹ã‚‰ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’è§£æžã™ã‚‹å ´åˆã¯å°‘ã—ã‚¢ã‚»ãƒ³ãƒ–ãƒ©å‘½ä»¤ã®æ„å‘³ã‚’ç†è§£ã—ã¦ã„ã‚Œã°ã€ãƒ¬ã‚¸ã‚¹ã‚¿ã¯æ±Žç”¨çš„ã«ä½¿ç”¨ã•ã‚Œã‚‹ãŸã‚ç‰¹åˆ¥ãªçŸ¥è˜ã¯ã‚ã¾ã‚Šå¿…è¦ã‚ã‚Šã¾ã›ã‚“ã€‚ ã¾ãšã¯ä¸‹è¨˜ã®ã‚ˆã†ãªã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’ä½œæˆã—ã¦ã€ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ã¾ã™ã€‚( Fedora Core 5 32bit ã®å ´åˆ ) # cat assem ble.c #include <stdio.h> int globa
mogwaing 2007/08/06
assembler
ãƒªãƒ³ã‚¯
GCC-ã‚¤ãƒ³ãƒ©ã‚¤ãƒ³ã‚¢ã‚»ãƒ³ãƒ–ãƒª-HOWTO (æ—¥æœ¬èªžè¨³)
Sandeep.Sv0.1, 01 March 2003. ã“ã® HOWTO ã§ã¯ã€GCC ã«ã‚ˆã‚Šæä¾›ã•ã‚Œã‚‹ã‚¤ãƒ³ãƒ©ã‚¤ãƒ³ã‚¢ã‚»ãƒ³ãƒ–ãƒªã®æ©Ÿèƒ½ã®ç›®çš„ã¨ã€ãã®ä½¿ç”¨æ³•ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ã€‚å‰æã¨ã•ã‚Œã‚‹çŸ¥è˜ã¯ã€x86 ã‚¢ã‚»ãƒ³ãƒ–ãƒªã¨ C è¨€èªžã® 2 ã¤ã ã‘ã§ã™ã€‚ 1. ã‚¤ãƒ³ãƒˆãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³. 1.1 è‘—ä½œæ¨©ãŠã‚ˆã³ãƒ©ã‚¤ã‚»ãƒ³ã‚¹. 1.2 ãƒ•ã‚£ãƒ¼ãƒ‰ãƒãƒƒã‚¯ã¨è¨‚æ£. 1.3 è¬è¾ž. 2. å…¨ä½“ã®æ¦‚è¦. 3. GCC ã‚¢ã‚»ãƒ³ãƒ–ãƒªæ§‹æ–‡. 4. åŸºæœ¬çš„ãªã‚¤ãƒ³ãƒ©ã‚¤ãƒ³æ§‹æ–‡. 5. æ‹¡å¼µã‚¢ã‚»ãƒ³ãƒ–ãƒªæ§‹æ–‡. 5.1 ã‚¢ã‚»ãƒ³ãƒ–ãƒªãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆ. 5.2 ã‚ªãƒšãƒ©ãƒ³ãƒ‰. 5.3 ç ´å£Šã•ã‚Œã‚‹ãƒ¬ã‚¸ã‚¹ã‚¿ã®ãƒªã‚¹ãƒˆ. 5.4 Volatile ...? 6. ã‚ªãƒšãƒ©ãƒ³ãƒ‰åˆ¶ç´„ã®è©³ç´°. 6.1 ã‚ˆãä½¿ã‚ã‚Œã‚‹åˆ¶ç´„. 6.2 åˆ¶ç´„ä¿®é£¾å. 7. æœ‰ç”¨ãªãƒ¬ã‚·ãƒ”é›†. 8. æœ€å¾Œã«. 9. å‚è€ƒæ–‡çŒ®. 1. ã‚¤ãƒ³ãƒˆãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³. 1.1 è‘—ä½œæ¨©ãŠã‚ˆã³ãƒ©ã‚¤ã‚»ãƒ³ã‚¹. C
mogwaing 2007/08/05
inline assembler howto

gcc

gas

assembler
ãƒªãƒ³ã‚¯
æˆ–æ›°:2002å¹´12æœˆä¸‹æ—¬
ä»Šé€±ã®ãƒŸã‚¹ã€‚ äºŒåº¦ã¨ç¹°ã‚Šè¿”ã•ã¬ã‚ˆã†ã€è¨˜éŒ²ã«æ®‹ã—ã¦ãŠãã€‚ _ ã‚¢ãƒ©ã‚¤ãƒ¡ãƒ³ãƒˆ ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã§æ›¸ã„ãŸãƒ†ã‚¹ãƒˆç”¨ãƒ‡ãƒ¼ã‚¿ã€‚ .align 4 ã“ã‚Œã‚’å¿˜ã‚ŒãŸãŸã‚ã«ã€ãˆã‚‰ã„ç›®ã«â€¦ã€‚ _ æµ®å‹•å°æ•°ç‚¹ãƒ¬ã‚¸ã‚¹ã‚¿ã‚’ä½¿ã„åˆ‡ã‚‹ VU1 MicroMode ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®è©±ã€‚ è¤‡æ•°è¡Œåˆ—ã§é ‚ç‚¹ãƒ–ãƒ¬ãƒ³ãƒ‡ã‚£ãƒ³ã‚°ã™ã‚‹ã‚³ãƒ¼ãƒ‰ã‚’æ›¸ã„ã¦ã„ã‚‹æ™‚ã®ã“ã¨ã€‚ ä½•ã‚‚è€ƒãˆãšã«ã€ãƒ«ãƒ¼ãƒ—é–‹å§‹å‰ã«è¡Œåˆ—ã‚’ãƒ¬ã‚¸ã‚¹ã‚¿ã«èªã¿å‡ºã™ã‚³ãƒ¼ãƒ‰ã‚’æ›¸ã„ãŸã‚‰ã€ VCL ã«ã€Œãƒ¬ã‚¸ã‚¹ã‚¿ä½¿ã„åˆ‡ã£ãŸã€ã¨æ€’ã‚‰ã‚Œã‚‹ã€‚ 31 æœ¬ã—ã‹ãƒ¬ã‚¸ã‚¹ã‚¿ç„¡ã„ã®ã«ã€ è¡Œåˆ—ã¾ã¨ã‚ã¦èªã¿å‡ºã›ã°ä¸è¶³ã™ã‚‹ãŒé“ç†ã€‚ ãã‚‚ãã‚‚ VU1 MicroMode ã§ã¯ ãƒãƒ¼ã‚«ãƒ«ãƒ¡ãƒ¢ãƒªã‹ã‚‰ãƒ‡ãƒ¼ã‚¿ã‚’èªã¿å‡ºã™ç©å’Œæ¼”ç®— ã¯ Upper/Lower ã§åŒæ™‚å®Ÿè¡Œã§ãã‚‹ã‹ã‚‰ã€ ç„¦ã£ã¦ãƒ¬ã‚¸ã‚¹ã‚¿ã«ç½®ã„ã¦ãŠãåˆ©ç‚¹ã¯ãªã„ã€‚ ãã“ã§ã€ ãƒ«ãƒ¼ãƒ—ä¸ã§è¡Œåˆ—ã‚’é †ã«èªã¿å‡ºã—ã¤ã¤è¨ˆç®—ã‚’è¡Œã†ã‚ˆã†ã«æ›¸ãç›´ã—ã¦å¯¾å¿œã€‚ ãã‚Œã«ã—ã¦ã‚‚ VU0 MacroMode ã®
mogwaing 2007/08/05
"m"ã¨ã‹

gas

assembler
ãƒªãƒ³ã‚¯
ã‚¤ãƒ³ãƒ©ã‚¤ãƒ³ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã¨ \n\t - memologue
å°ãƒã‚¿2ã€‚ GCCã§è¤‡æ•°è¡Œã‹ã‚‰ãªã‚‹ã‚¤ãƒ³ãƒ©ã‚¤ãƒ³ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã‚’æ›¸ãã¨ãã€ __asm__ ("movl %0,r9\n\t" "movl %1,r10\n\t" "call _foo" :: "g" (from), "g" (to) : "r9", "r10");ã®ã‚ˆã†ã« \n\t åŒºåˆ‡ã‚Šã§æ›¸ãã²ã¨ã¨ã€\n\t ã®ã‹ã‚ã‚Šã«ã‚»ãƒŸã‚³ãƒãƒ³åŒºåˆ‡ã‚Šã§æ›¸ã*1ã²ã¨ãŒã„ã¾ã™ã€‚GCCã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ä¸Šã¯ã€ã©ã¡ã‚‰ã§ã‚‚OKã‚ˆã‚“ã€ã¨ã„ã†ã“ã¨ã«ãªã£ã¦ã‚‹ã‚“ã§ã™ãŒã€ä¸–é–“ã§ã¯ \n\t æ´¾ãŒå¤šã„ã§ã™ã€‚...ã§ã€ ; ã®æ–¹ãŒèªã¿ã‚„ã™ã„ã ã‚ã†ã«ã€ãªãœä¸–é–“ã§ã¯\n\tæ´¾ãŒå¤šã„ã®ã‹ã€ã¡ã‚‡ã£ã¨å‰ã¾ã§ç–‘å•ã§ã—ãŸã€‚ã¨ã„ã†ã‚ã‘ã§ã€\n\tã®åˆ©ç‚¹èª¬æ˜Žã§ã™ã€‚ gccã‚³ãƒžãƒ³ãƒ‰ãŒ.cã‚’é£Ÿã£ã¦ä¸€æ™‚ãƒ•ã‚¡ã‚¤ãƒ«(/tmp/ãƒ©ãƒ³ãƒ€ãƒ æ–‡å—åˆ—.s)ã‚’ç”Ÿæˆã™ã‚‹ã¨ãã€å‰è€…(\n\t)ã®æ›¸ãæ–¹ã ã¨.sã¯ ãƒ©ãƒ™ãƒ«: #APP movl %0,r9 movl %1,r10 c
$ã‚¤ãƒ³ãƒ©ã‚¤ãƒ³ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã¨ \n\t - memologue$
mogwaing 2007/08/05
inlineè¨˜è¿°æ™‚ã«Â¥nÂ¥tã¨;ã¨ã§åŒºåˆ‡ã‚‹å ´åˆã®é•ã„ã«ã¤ã„ã¦

gcc

assembler
ãƒªãƒ³ã‚¯
GCC x86ã‚¤ãƒ³ãƒ©ã‚¤ãƒ³ã‚¢ã‚»ãƒ³ãƒ–ãƒ©
â—‹GCC x86ã‚¤ãƒ³ãƒ©ã‚¤ãƒ³ã‚¢ã‚»ãƒ³ãƒ–ãƒ© asm ("å‘½ä»¤ source,dest"); â– ã‚°ãƒãƒ¼ãƒãƒ«å¤‰æ•° --------------------------------------------------------- ãã®ã¾ã¾ä½¿ãˆã¾ã™ #include <stdio.h> int i; int j; main(){ i=10; asm ("movl i,%eax"); asm ("add $10,%eax");Â Â //æ•°å€¤ã¯å…ˆé ã«$ãƒžãƒ¼ã‚¯ã‚’ä»˜ã‘ã‚‹ asm ("movl %eax,j"); printf("%d %d\n",i,j); } â–¼ä¸Šã®ãƒ—ãƒã‚°ãƒ©ãƒ ã®æ›¸ãæ–¹ã‚’å¤‰ãˆãŸã‚‚ã® #include <stdio.h> int i; int j; main(){ i=10; asm (Â Â "movl i,%eaxÂ Â \n\t" "add $10,%eaxÂ Â \n\t" "movl %eax,j"
mogwaing 2007/08/05
inline assembler

gcc

x86

assembler
ãƒªãƒ³ã‚¯
gccã®x86ã‚¤ãƒ³ãƒ©ã‚¤ãƒ³ã‚¢ã‚»ãƒ³ãƒ–ãƒªã«é–¢ã—ã¦
GCCã§ã‚¤ãƒ³ãƒ©ã‚¤ãƒ³ã‚¢ã‚»ãƒ³ãƒ–ãƒªã‚’ä½¿ç”¨ ã™ã‚‹æ–¹æ³•ã¨ç•™æ„ç‚¹ç‰ for x86Â (1999ã€œ2006å¹´10å›žæ”¹è¨‚ã€2006å¹´1æœˆ22æ—¥æ³¨æ„ã‚’è¿½åŠ ã€æœ€çµ‚æ›´æ–°æ—¥2006å¹´5æœˆ27æ—¥) æ–‡: A. SAITOH <s-akiraã€€atã€€users.sourceforge.net>ã€€ã€€home â€»ã‚·ã‚¹ãƒ†ãƒ åã€CPUåã¯ä¸€èˆ¬ã«é–‹ç™ºä¼šç¤¾ã®ç™»éŒ²å•†æ¨™ã§ã™ã€‚ ä»¥ä¸‹ã®æƒ…å ±ã¯ã‚ã¾ã‚ŠéŽåº¦ã«ä¿¡ç”¨ã—ãªã„ã§ä¸‹ã•ã„ã€‚ã‚ˆã‚Šæ£ç¢ºãªæƒ…å ±ã¯ã€asã‚„gccã®infoã‹ã‚‰å¾—ã¦ä¸‹ã•ã„ã€‚ å€‹ã€…ã®ãƒ—ãƒã‚»ãƒƒã‚µå‘½ä»¤ã®è§£èª¬ã¯ã“ã“ã§ã¯è¿°ã¹ã¾ã›ã‚“ã€‚ãã®ã‚ˆã†ãªæŠ€è¡“è³‡æ–™ã¯ã€ã‚¤ãƒ³ãƒ†ãƒ«ã‚„AMDã®ã‚¦ã‚§ãƒ– ã‚µã‚¤ãƒˆã®developerå‘ã‘ã®ãƒšãƒ¼ã‚¸ã‹ã‚‰pdfå½¢å¼ã§å…¥æ‰‹ã§ãã¾ã™ã€‚ ä»¥ä¸‹ã®æ–‡åŠã³ãƒ—ãƒã‚°ãƒ©ãƒ ä¾‹ã®é‹ç”¨çµæžœã«é–¢ã—ã¦ã€ç†è€…ã¯ä¸€åˆ‡è²¬ä»»ã‚’è² ã„ã¾ã›ã‚“ã€‚ å‚è€ƒæ–‡çŒ® [0] D. Stancevic, K. Scheibler, J. Leto, Linux Assem bly
mogwaing 2007/08/05
inline assembler

gcc

assembler

x86
ãƒªãƒ³ã‚¯
Omicron GAS
mogwaing 2007/08/05
gas

gnu

assembler
ãƒªãƒ³ã‚¯
32bit x86 tips
http://lf.8k.com/X86/1.HTM =========================================================================== TITLE: x86 TIPS AND TRICKS AUTHOR: LAURA FAIRHEAD LAST MODIFIED: 04/00 =========================================================================== 32bit CODE I find it strange that an awful lot of ASM programmers who write real-mode code seem to think that they (i) have to be 8086 compatible? (ii
mogwaing 2007/05/17
x86

assembler
ãƒªãƒ³ã‚¯
TAKESAKO @ Yet another Cybozu Labs: é€£è¼‰ä¼ç”» FizzBuzz ã§ã¯ã˜ã‚ã‚‹ Code Golf (x86 32bit) å…¥é–€
Code Golf ã¨ã¯ï¼Ÿ Matzã«ã£ã(2006-10-05) ã‚ˆã‚Š ã‚´ãƒ«ãƒ•ã¨ã¯å¦‚ä½•ã«å°‘ãªã„ã‚¹ãƒˆãƒãƒ¼ã‚¯ã§ãƒ›ãƒ¼ãƒ«ã‚¤ãƒ³ã™ã‚‹ã‹ã‚’ç«¶ã†ç«¶æŠ€ã§ã‚ã‚‹ã€‚ ã‚³ãƒ¼ãƒ‰ã‚´ãƒ«ãƒ•ã¨ã¯ã€å¦‚ä½•ã«å°‘ãªã„ã‚ãƒ¼ã‚¹ãƒˆãƒãƒ¼ã‚¯(ãƒã‚¤ãƒˆæ•°)ã§ã€ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å®Ÿè£…ã§ãã‚‹ã‹ã‚’ç«¶ã†ç«¶æŠ€ã§ã‚ã‚‹ã€‚ å…ˆæ—¥FizzBuzz.com (MS-DOS 16bitç‰ˆ) ã‚’ä½œã£ã¦ã¿ãŸã‚‰ã€32bitç‰ˆã®ãƒ—ãƒã‚°ãƒ©ãƒ ã«ã‚‚æŒ‘æˆ¦ã—ãŸããªã‚Šã¾ã—ãŸã®ã§ã€x86 32bitã§å‘½ä»¤é•·ã‚’æ¸›ã‚‰ã™ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã«ã¤ã„ã¦ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ â€»ã¾ãšã¯ã‚³ãƒ¼ãƒ‰é•·ã®æ¯”è¼ƒã®ã¿ã§å®Ÿè¡Œã‚¯ãƒãƒƒã‚¯æ•°ã¯ç«¶ã‚ãªã„ã“ã¨ã«ã—ã¾ã™ã€‚ â– x86 32bit ã‚³ãƒ¼ãƒ‰æœ€é©åŒ– ã€å•é¡Œã€‘EBXãƒ¬ã‚¸ã‚¹ã‚¿ã«1ã‚’ã€EAXãƒ¬ã‚¸ã‚¹ã‚¿ã«4ã‚’ä»£å…¥ã—ãŸã„ ã§ãã‚‹ã ã‘çŸã„ãƒã‚¤ãƒˆæ•°ã§ã‚³ãƒ¼ãƒ‰ã‚’å®Ÿç¾ã™ã‚‹ãŸã‚ã«ã¯ã€ã„ã‚ã„ã‚ãªx86å‘½ä»¤ã‚’ãƒ•ãƒ«æ´»ç”¨ã™ã‚‹ã“ã¨ã‚’è€ƒãˆã¾ã™ã€‚ è‡ªåˆ†ã®æ€ã„ã¤ã„ãŸè§£ç”ã‚’NASMã®è¨˜æ³•ã§æ›¸ã„ã¦ã¿ã¾ã™ã€‚ (1) 10byte
mogwaing 2007/05/17
x86

assembler
ãƒªãƒ³ã‚¯
1