diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/add/add.rs.html | 12 | ||||
| -rw-r--r-- | src/fib/fib.rs.html | 14 | ||||
| -rw-r--r-- | src/gen/gen.rs.html | 87 |
3 files changed, 100 insertions, 13 deletions
diff --git a/src/add/add.rs.html b/src/add/add.rs.html index 38058ec..580daa0 100644 --- a/src/add/add.rs.html +++ b/src/add/add.rs.html @@ -36,7 +36,8 @@ <a href="#35" id="35">35</a> <a href="#36" id="36">36</a> <a href="#37" id="37">37</a> -<a href="#38" id="38">38</a></pre></div><pre class="rust"><code><span class="doccomment">//! Add example. +<a href="#38" id="38">38</a> +<a href="#39" id="39">39</a></pre></div><pre class="rust"><code><span class="doccomment">//! Add example. //! //! Jit compile a function at runtime (generate native host code) which calls a function defined in //! the example based on the SystemV abi to demonstrate the [`juicebox_asm`] crate. @@ -65,11 +66,12 @@ asm.call(rax); asm.ret(); - <span class="kw">let </span>code = asm.into_code(); - std::fs::write(<span class="string">"jit.asm"</span>, <span class="kw-2">&</span>code).unwrap(); - <span class="kw">let </span><span class="kw-2">mut </span>rt = Runtime::new(); - <span class="kw">let </span>add42 = <span class="kw">unsafe </span>{ rt.add_code::<<span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn</span>(u32) -> u32>(code) }; + <span class="kw">let </span>add42 = <span class="kw">unsafe </span>{ rt.add_code::<<span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn</span>(u32) -> u32>(asm.into_code()) }; + + <span class="comment">// Write out JIT code for visualization. + // Disassemble for example with `ndisasm -b 64 jit.asm`. + </span>rt.dump(); <span class="kw">let </span>res = add42(<span class="number">5</span>); <span class="macro">assert_eq!</span>(res, <span class="number">47</span>); diff --git a/src/fib/fib.rs.html b/src/fib/fib.rs.html index 32ebea0..c1a746f 100644 --- a/src/fib/fib.rs.html +++ b/src/fib/fib.rs.html @@ -76,8 +76,7 @@ <a href="#75" id="75">75</a> <a href="#76" id="76">76</a> <a href="#77" id="77">77</a> -<a href="#78" id="78">78</a> -<a href="#79" id="79">79</a></pre></div><pre class="rust"><code><span class="doccomment">//! Fibonacci example. +<a href="#78" id="78">78</a></pre></div><pre class="rust"><code><span class="doccomment">//! Fibonacci example. //! //! Jit compile a function at runtime (generate native host code) to compute the fibonacci sequence //! to demonstrate the [`juicebox_asm`] crate. @@ -141,14 +140,13 @@ asm.bind(<span class="kw-2">&mut </span>end); asm.ret(); - <span class="comment">// Write out JIT code for visualization. - // Disassemble for example with `ndisasm -b 64 jit.asm`. - </span><span class="kw">let </span>code = asm.into_code(); - std::fs::write(<span class="string">"jit.asm"</span>, <span class="kw-2">&</span>code).unwrap(); - <span class="comment">// Move code into executable page and get function pointer to it. </span><span class="kw">let </span><span class="kw-2">mut </span>rt = Runtime::new(); - <span class="kw">let </span>fib = <span class="kw">unsafe </span>{ rt.add_code::<<span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn</span>(u64) -> u64>(code) }; + <span class="kw">let </span>fib = <span class="kw">unsafe </span>{ rt.add_code::<<span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn</span>(u64) -> u64>(asm.into_code()) }; + + <span class="comment">// Write out JIT code for visualization. + // Disassemble for example with `ndisasm -b 64 jit.asm`. + </span>rt.dump(); <span class="kw">for </span>n <span class="kw">in </span><span class="number">0</span>..<span class="number">15 </span>{ <span class="kw">let </span>fib_jit = fib(n); diff --git a/src/gen/gen.rs.html b/src/gen/gen.rs.html new file mode 100644 index 0000000..ebf7e93 --- /dev/null +++ b/src/gen/gen.rs.html @@ -0,0 +1,87 @@ +<!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 `examples/gen.rs`."><title>gen.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-b0742ba02757f159.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="gen" data-themes="" data-resource-suffix="" data-rustdoc-version="1.83.0 (90b35a623 2024-11-26)" data-channel="1.83.0" data-search-js="search-f0d225181b97f9a4.js" data-settings-js="settings-805db61a62df4bd2.js" ><script src="../../static.files/storage-1d39b6787ed640ff.js"></script><script defer src="../../static.files/src-script-e66d777a5a92e9b2.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-f070b9041d14864c.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-0111fcff984fae8f.css"></noscript><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"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">gen/</div>gen.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><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> +<a href="#5" id="5">5</a> +<a href="#6" id="6">6</a> +<a href="#7" id="7">7</a> +<a href="#8" id="8">8</a> +<a href="#9" id="9">9</a> +<a href="#10" id="10">10</a> +<a href="#11" id="11">11</a> +<a href="#12" id="12">12</a> +<a href="#13" id="13">13</a> +<a href="#14" id="14">14</a> +<a href="#15" id="15">15</a> +<a href="#16" id="16">16</a> +<a href="#17" id="17">17</a> +<a href="#18" id="18">18</a> +<a href="#19" id="19">19</a> +<a href="#20" id="20">20</a> +<a href="#21" id="21">21</a> +<a href="#22" id="22">22</a> +<a href="#23" id="23">23</a> +<a href="#24" id="24">24</a> +<a href="#25" id="25">25</a> +<a href="#26" id="26">26</a> +<a href="#27" id="27">27</a> +<a href="#28" id="28">28</a> +<a href="#29" id="29">29</a> +<a href="#30" id="30">30</a> +<a href="#31" id="31">31</a> +<a href="#32" id="32">32</a> +<a href="#33" id="33">33</a> +<a href="#34" id="34">34</a> +<a href="#35" id="35">35</a> +<a href="#36" id="36">36</a> +<a href="#37" id="37">37</a> +<a href="#38" id="38">38</a> +<a href="#39" id="39">39</a> +<a href="#40" id="40">40</a> +<a href="#41" id="41">41</a> +<a href="#42" id="42">42</a> +<a href="#43" id="43">43</a></pre></div><pre class="rust"><code><span class="doccomment">//! Add example. +//! +//! Jit compile a function at runtime (generate native host code) which calls a function defined in +//! the example based on the SystemV abi to demonstrate the [`juicebox_asm`] crate. + +</span><span class="attr">#[cfg(not(any(target_arch = <span class="string">"x86_64"</span>, target_os = <span class="string">"linux"</span>)))] +</span><span class="macro">compile_error!</span>(<span class="string">"Only supported on x86_64 with SystemV abi"</span>); + +<span class="kw">use </span>juicebox_asm::insn::<span class="kw-2">*</span>; +<span class="kw">use </span>juicebox_asm::{Asm, Imm8, Reg64::<span class="kw-2">*</span>, Runtime}; +<span class="kw">use </span>juicebox_asm::{Mem16, Mem32, Mem64, Mem8}; + +<span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn </span>add(a: u32, b: u32) -> u32 { + a + b +} + +<span class="kw">fn </span>main() { + <span class="kw">let </span><span class="kw-2">mut </span>asm1 = Asm::new(); + <span class="comment">//asm1.add(Mem16::indirect(rdi), Imm8::from(0x80u8)); + </span>asm1.test(rax, rax); + asm1.cmp(Mem8::indirect(rax), Imm8::from(<span class="number">0u8</span>)); + asm1.ret(); + + <span class="kw">let </span>code = asm1.into_code(); + std::fs::write(<span class="string">"jit.asm"</span>, <span class="kw-2">&</span>code).unwrap(); + + <span class="kw">let </span><span class="kw-2">mut </span>asm2 = Asm::new(); + <span class="comment">//asm2.mov(Reg16::cx, Imm16::from(1u16)); + //asm2.mov(Mem::Indirect(rdi), Reg16::cx); + </span>asm2.ret(); + + <span class="kw">let </span><span class="kw-2">mut </span>rt = Runtime::new(); + <span class="kw">let </span>fn1 = <span class="kw">unsafe </span>{ rt.add_code::<<span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn</span>(<span class="kw-2">*mut </span>u64)>(code) }; + <span class="kw">let </span>fn2 = <span class="kw">unsafe </span>{ rt.add_code::<<span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn</span>(<span class="kw-2">*mut </span>u64)>(asm2.into_code()) }; + + <span class="kw">let </span><span class="kw-2">mut </span>data = <span class="number">0xffff_ffff_ffff_ff80u64</span>; + fn1(<span class="kw-2">&mut </span>data <span class="kw">as </span><span class="kw-2">*mut </span>u64); + <span class="macro">println!</span>(<span class="string">"data={:x}"</span>, data); + + <span class="kw">let </span><span class="kw-2">mut </span>data = <span class="number">0xffff_ffff_ffff_ffffu64</span>; + fn2(<span class="kw-2">&mut </span>data <span class="kw">as </span><span class="kw-2">*mut </span>u64); + <span class="macro">println!</span>(<span class="string">"data={:x}"</span>, data); +} +</code></pre></div></section></main></body></html>
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