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An introduction to WebAssembly
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Pine Mizune
July 29, 2016
Programming
1
250
An introduction to WebAssembly
吉祥寺.pm8 で発表した資料
http://kichijojipm.connpass.com/event/34598/
Pine Mizune
July 29, 2016
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Transcript
Pine Mizune Jul 29, 2016 / Kichijoji.pm #8 An introduction
to WebAssembly
1SPGJMF o (JU)VC !QJOF o 5XJUUFS!QJOF o ͖ͳݴޠ +BWB4DSJQU o
ࣄͰॻ͍͍ͯΔݴޠ1FSM+4 o .PCJMF'BDUPSZ *OD
8FC"TTFNCMZ ͱ 8FC"TTFNCMZ ͷ࠷ۙͷಈ 8FC"TTFNCMZ ͷϝϦοτ
8FC"TTFNCMZ ͷར༻ϑϩʔ σϞ 5BCMFPGDPOUFOUT
ϒϥβ͚ ࣮ߦՄೳόΠφϦϑΥʔϚοτ • +BWB4DSJQUͷସͰͳ͍ • --7.ܥݴޠ͔ΒίϯύΠϧՄೳ • $ISPNF'JSFGPY /JHIUMZ Ͱ࣮ࡁΈ
8FC"TTFNCMZͱ C/C++/Rust WebAssembly LLVM compiler
C/C++/Rust WebAssembly Compiler 94͑$$ Ͱڞ௨Մೳ • [MJCD ͳͲಈ͘Α Perl /
XS 1FSMͱΈ߹Θͤͯ͏ͳΒ
n $ISPNFɺ8FC,JUɺ'JSFGPYɺ.JDSPTPGU&EHFɺ--7 .ɺ6OJUZΒ͕αϙʔτΛද໌ IUUQXXXQVCMJDLFZKQCMPHXFCBTTFNCMZIUNM n 7ɺ'JSFGPYɺ.JDSPTPGU&EHF͕ʮ8FC"TTFNCMZʯ ͷ࣮Λൃද ʢ IUUQXXXQVCMJDLFZKQCMPHWGJSFGPYNJDSPTPGU@FEHFXFC
BTTFNCMZXFCIUNM 8FC"TTFNCMZͷ࠷ۙͷಈ
8FC"TTFNCMZ ͷϝϦοτ ߴ࣮ߦͱলϑΝΠϧαΠζ • ϒϥβԋࢉॲཧͷߴԽ ήʔϜ ը૾ॲཧ FUD – ߴ
8FC"TTFNCMZ BTNKT +BWB4DSJQU – ˞BTNKT .P[JMMB։ൃͷ +4ʹ੩తղੳใΛ༩ͨ͠αϒηοτ • సૹϑΝΠϧ༰ྔͷݮ – BTNKT ߴʹ࣮ߦͰ͖Δ͕ϑΝΠϧαΠζ͕ωοΫ – όΠφϦϑΥʔϚοτʹ͢Δ͜ͱͰղܾ
8FC"TTFNCMZ ͷར༻ϑϩʔ ソースコード .ll .s .wast .wasm .c/.cpp LLVM
IR (中間表現) WebAssembly のアセンブラ wasm のテキスト形式 (S式) wast をシリアライズしたもの
8FC"TTFNCMZ XBTU ܗࣜྫ (module (memory 1 (segment 8 "¥00¥00¥00¥00") )
(export "memory" memory) (export "count" $count) (func $count (result i32) (local $$0 i32) (i32.store offset=8 (i32.const 0) (i32.add (set_local $$0
8FC"TTFNCMZ ͷར༻ϑϩʔ ソースコード .ll .s .wast .wasm .c/.cpp wast
をシリアライズしたもの ★ 簡単に試すなら Emscripten がオススメ
QJOFNEXBTNFYBNQMF IUUQTHJUIVCDPNQJOFNEXBTNFYBNQMF σϞ