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| author | johannst <johannst@users.noreply.github.com> | 2023-12-05 22:08:06 +0000 |
|---|---|---|
| committer | johannst <johannst@users.noreply.github.com> | 2023-12-05 22:08:06 +0000 |
| commit | 2294180c3778d0fcfa877818e98c420fcd54bb8a (patch) | |
| tree | 8240452d6b80d397f1b5a9425c1a986c20e710e5 /src/juicebox_asm/lib.rs.html | |
| parent | e37c8e0f9319e3df3ff801f5a38f4717a8a20b28 (diff) | |
| download | juicebox-asm-2294180c3778d0fcfa877818e98c420fcd54bb8a.tar.gz juicebox-asm-2294180c3778d0fcfa877818e98c420fcd54bb8a.zip | |
deploy: 7e98f5def5942969f97f5f015e7fb8417793d132
Diffstat (limited to 'src/juicebox_asm/lib.rs.html')
| -rw-r--r-- | src/juicebox_asm/lib.rs.html | 124 |
1 files changed, 121 insertions, 3 deletions
diff --git a/src/juicebox_asm/lib.rs.html b/src/juicebox_asm/lib.rs.html index 4d6d4fe..83c8f81 100644 --- a/src/juicebox_asm/lib.rs.html +++ b/src/juicebox_asm/lib.rs.html @@ -1,4 +1,4 @@ -<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/lib.rs`."><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link 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will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><nav class="sub"><a class="sub-logo-container" href="../../juicebox_asm/index.html"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers"><a href="#1" id="1">1</a> +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/lib.rs`."><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-fa3bb1812debf86c.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="juicebox_asm" data-themes="" data-resource-suffix="" data-rustdoc-version="1.74.0 (79e9716c9 2023-11-13)" data-channel="1.74.0" data-search-js="search-8be46b629f5f14a8.js" data-settings-js="settings-74424d7eec62a23e.js" ><script src="../../static.files/storage-fec3eaa3851e447d.js"></script><script defer src="../../static.files/src-script-3280b574d94e47b4.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-c5bd66d33317d69f.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-5d8b3c7633ad77ba.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><nav class="sub"><a class="sub-logo-container" href="../../juicebox_asm/index.html"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers"><a href="#1" id="1">1</a> <a href="#2" id="2">2</a> <a href="#3" id="3">3</a> <a href="#4" id="4">4</a> @@ -408,6 +408,65 @@ <a href="#408" id="408">408</a> <a href="#409" id="409">409</a> <a href="#410" id="410">410</a> +<a href="#411" id="411">411</a> +<a href="#412" id="412">412</a> +<a href="#413" id="413">413</a> +<a href="#414" id="414">414</a> +<a href="#415" id="415">415</a> +<a href="#416" id="416">416</a> +<a href="#417" id="417">417</a> +<a href="#418" id="418">418</a> +<a href="#419" id="419">419</a> +<a href="#420" id="420">420</a> +<a href="#421" id="421">421</a> +<a href="#422" id="422">422</a> +<a href="#423" id="423">423</a> +<a href="#424" id="424">424</a> +<a 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href="#455" id="455">455</a> +<a href="#456" id="456">456</a> +<a href="#457" id="457">457</a> +<a href="#458" id="458">458</a> +<a href="#459" id="459">459</a> +<a href="#460" id="460">460</a> +<a href="#461" id="461">461</a> +<a href="#462" id="462">462</a> +<a href="#463" id="463">463</a> +<a href="#464" id="464">464</a> +<a href="#465" id="465">465</a> +<a href="#466" id="466">466</a> +<a href="#467" id="467">467</a> +<a href="#468" id="468">468</a> +<a href="#469" id="469">469</a> </pre></div><pre class="rust"><code><span class="doccomment">//! A simple `x64` jit assembler with a minimal runtime to execute emitted code for fun. //! //! The following is an fibonacci example implementation. @@ -471,8 +530,8 @@ //! asm.ret(); //! //! // Move code into executable page and get function pointer to it. -//! let rt = Runtime::new(&asm.into_code()); -//! let fib = unsafe { rt.as_fn::<extern "C" fn(u64) -> u64>() }; +//! let mut rt = Runtime::new(); +//! let fib = unsafe { rt.add_code::<extern "C" fn(u64) -> u64>(&asm.into_code()) }; //! //! for n in 0..15 { //! let fib_jit = fib(n); @@ -683,6 +742,42 @@ <span class="self">self</span>.emit(<span class="kw-2">&</span>[opc, modrm]); } + <span class="doccomment">/// Encode a memory-immediate instruction. + </span><span class="kw">fn </span>encode_mi<T: Imm>(<span class="kw-2">&mut </span><span class="self">self</span>, opc: u8, opc_ext: u8, op1: MemOp, op2: T) + <span class="kw">where + </span><span class="self">Self</span>: EncodeMI<T>, + { + <span class="comment">// MI operand encoding. + // op1 -> modrm.rm + // op2 -> imm + </span><span class="kw">let </span>mode = <span class="kw">match </span>op1 { + MemOp::Indirect(..) => { + <span class="macro">assert!</span>(!op1.base().need_sib() && !op1.base().is_pc_rel()); + <span class="number">0b00 + </span>} + MemOp::IndirectDisp(..) => { + <span class="macro">assert!</span>(!op1.base().need_sib()); + <span class="number">0b10 + </span>} + }; + + <span class="kw">let </span>modrm = modrm( + mode, <span class="comment">/* mode */ + </span>opc_ext, <span class="comment">/* reg */ + </span>op1.base().idx(), <span class="comment">/* rm */ + </span>); + + <span class="kw">let </span>prefix = <<span class="self">Self </span><span class="kw">as </span>EncodeMI<T>>::legacy_prefix(); + <span class="kw">let </span>rex = <<span class="self">Self </span><span class="kw">as </span>EncodeMI<T>>::rex(<span class="kw-2">&</span>op1); + + <span class="self">self</span>.emit_optional(<span class="kw-2">&</span>[prefix, rex]); + <span class="self">self</span>.emit(<span class="kw-2">&</span>[opc, modrm]); + <span class="kw">if let </span>MemOp::IndirectDisp(<span class="kw">_</span>, disp) = op1 { + <span class="self">self</span>.emit(<span class="kw-2">&</span>disp.to_ne_bytes()); + } + <span class="self">self</span>.emit(op2.bytes()); + } + <span class="doccomment">/// Encode a memory-register instruction. </span><span class="kw">fn </span>encode_mr<T: Reg>(<span class="kw-2">&mut </span><span class="self">self</span>, opc: u8, op1: MemOp, op2: T) <span class="kw">where @@ -818,4 +913,27 @@ } <span class="kw">impl </span>EncodeMR<Reg32> <span class="kw">for </span>Asm {} <span class="kw">impl </span>EncodeMR<Reg64> <span class="kw">for </span>Asm {} + +<span class="doccomment">/// Encode helper for memory-immediate instructions. +</span><span class="kw">trait </span>EncodeMI<T: Imm> { + <span class="kw">fn </span>legacy_prefix() -> <span class="prelude-ty">Option</span><u8> { + <span class="prelude-val">None + </span>} + + <span class="kw">fn </span>rex(op1: <span class="kw-2">&</span>MemOp) -> <span class="prelude-ty">Option</span><u8> { + <span class="kw">if </span>op1.base().is_ext() { + <span class="prelude-val">Some</span>(rex(<span class="bool-val">false</span>, <span class="number">0</span>, <span class="number">0</span>, op1.base().idx())) + } <span class="kw">else </span>{ + <span class="prelude-val">None + </span>} + } +} + +<span class="kw">impl </span>EncodeMI<Imm8> <span class="kw">for </span>Asm {} +<span class="kw">impl </span>EncodeMI<Imm16> <span class="kw">for </span>Asm { + <span class="kw">fn </span>legacy_prefix() -> <span class="prelude-ty">Option</span><u8> { + <span class="prelude-val">Some</span>(<span class="number">0x66</span>) + } +} +<span class="kw">impl </span>EncodeMI<Imm32> <span class="kw">for </span>Asm {} </code></pre></div></section></main></body></html>
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