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Diffstat (limited to 'src/llvm_kaleidoscope_rs/llvm/lljit.rs.html')
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1 files changed, 105 insertions, 112 deletions
diff --git a/src/llvm_kaleidoscope_rs/llvm/lljit.rs.html b/src/llvm_kaleidoscope_rs/llvm/lljit.rs.html index 5a5a376..80be225 100644 --- a/src/llvm_kaleidoscope_rs/llvm/lljit.rs.html +++ b/src/llvm_kaleidoscope_rs/llvm/lljit.rs.html @@ -1,10 +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/llvm/lljit.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lljit.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../../llvm_kaleidoscope_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div> - </a><h2 class="location"></h2> - </nav> - <nav class="sidebar"><a class="sidebar-logo" href="../../../llvm_kaleidoscope_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div> - </a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../llvm_kaleidoscope_rs/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><button type="button" id="help-button" title="help">?</button><div id="settings-menu" tabindex="-1"> - <a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div> - </div></form></nav></div><section id="main-content" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1">1</span> +<!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/llvm/lljit.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lljit.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../../llvm_kaleidoscope_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../llvm_kaleidoscope_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../llvm_kaleidoscope_rs/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1">1</span> <span id="2">2</span> <span id="3">3</span> <span id="4">4</span> @@ -158,160 +152,159 @@ <span id="152">152</span> <span id="153">153</span> <span id="154">154</span> -</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">llvm_sys::orc2</span>::{ - <span class="ident">lljit</span>::{ - <span class="ident">LLVMOrcCreateLLJIT</span>, <span class="ident">LLVMOrcLLJITAddLLVMIRModuleWithRT</span>, <span class="ident">LLVMOrcLLJITGetGlobalPrefix</span>, - <span class="ident">LLVMOrcLLJITGetMainJITDylib</span>, <span class="ident">LLVMOrcLLJITLookup</span>, <span class="ident">LLVMOrcLLJITRef</span>, +</pre><pre class="rust"><code><span class="kw">use </span>llvm_sys::orc2::{ + lljit::{ + LLVMOrcCreateLLJIT, LLVMOrcLLJITAddLLVMIRModuleWithRT, LLVMOrcLLJITGetGlobalPrefix, + LLVMOrcLLJITGetMainJITDylib, LLVMOrcLLJITLookup, LLVMOrcLLJITRef, }, - <span class="ident">LLVMOrcCreateDynamicLibrarySearchGeneratorForProcess</span>, <span class="ident">LLVMOrcDefinitionGeneratorRef</span>, - <span class="ident">LLVMOrcJITDylibAddGenerator</span>, <span class="ident">LLVMOrcJITDylibCreateResourceTracker</span>, <span class="ident">LLVMOrcJITDylibRef</span>, - <span class="ident">LLVMOrcReleaseResourceTracker</span>, <span class="ident">LLVMOrcResourceTrackerRef</span>, <span class="ident">LLVMOrcResourceTrackerRemove</span>, + LLVMOrcCreateDynamicLibrarySearchGeneratorForProcess, LLVMOrcDefinitionGeneratorRef, + LLVMOrcJITDylibAddGenerator, LLVMOrcJITDylibCreateResourceTracker, LLVMOrcJITDylibRef, + LLVMOrcReleaseResourceTracker, LLVMOrcResourceTrackerRef, LLVMOrcResourceTrackerRemove, }; -<span class="kw">use</span> <span class="ident">std::convert::TryFrom</span>; -<span class="kw">use</span> <span class="ident">std::marker::PhantomData</span>; +<span class="kw">use </span>std::convert::TryFrom; +<span class="kw">use </span>std::marker::PhantomData; -<span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">Error</span>, <span class="ident">Module</span>}; -<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::SmallCStr</span>; +<span class="kw">use super</span>::{Error, Module}; +<span class="kw">use </span><span class="kw">crate</span>::SmallCStr; -<span class="doccomment">/// Marker trait to constrain function signatures that can be looked up in the JIT.</span> -<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">JitFn</span> {} +<span class="doccomment">/// Marker trait to constrain function signatures that can be looked up in the JIT. +</span><span class="kw">pub trait </span>JitFn {} -<span class="kw">impl</span> <span class="ident">JitFn</span> <span class="kw">for</span> <span class="kw">unsafe</span> <span class="kw">extern</span> <span class="string">"C"</span> <span class="kw">fn</span>() -> <span class="ident">f64</span> {} +<span class="kw">impl </span>JitFn <span class="kw">for unsafe extern </span><span class="string">"C" </span><span class="kw">fn</span>() -> f64 {} -<span class="doccomment">/// Wrapper for a LLVM [LLJIT](https://www.llvm.org/docs/ORCv2.html#lljit-and-lllazyjit).</span> -<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">LLJit</span> { - <span class="ident">jit</span>: <span class="ident">LLVMOrcLLJITRef</span>, - <span class="ident">dylib</span>: <span class="ident">LLVMOrcJITDylibRef</span>, +<span class="doccomment">/// Wrapper for a LLVM [LLJIT](https://www.llvm.org/docs/ORCv2.html#lljit-and-lllazyjit). +</span><span class="kw">pub struct </span>LLJit { + jit: LLVMOrcLLJITRef, + dylib: LLVMOrcJITDylibRef, } -<span class="kw">impl</span> <span class="ident">LLJit</span> { - <span class="doccomment">/// Create a new LLJit instance.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// # Panics</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Panics if LLVM API returns a `null` pointer or an error.</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>() -> <span class="ident">LLJit</span> { - <span class="kw">let</span> (<span class="ident">jit</span>, <span class="ident">dylib</span>) <span class="op">=</span> <span class="kw">unsafe</span> { - <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">jit</span> <span class="op">=</span> <span class="ident">std::ptr::null_mut</span>(); - <span class="kw">let</span> <span class="ident">err</span> <span class="op">=</span> <span class="ident">LLVMOrcCreateLLJIT</span>( - <span class="kw-2">&mut</span> <span class="ident">jit</span> <span class="kw">as</span> <span class="kw">_</span>, - <span class="ident">std::ptr::null_mut</span>(), <span class="comment">/* builder: nullptr -> default */</span> - ); +<span class="kw">impl </span>LLJit { + <span class="doccomment">/// Create a new LLJit instance. + /// + /// # Panics + /// + /// Panics if LLVM API returns a `null` pointer or an error. + </span><span class="kw">pub fn </span>new() -> LLJit { + <span class="kw">let </span>(jit, dylib) = <span class="kw">unsafe </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>jit = std::ptr::null_mut(); + <span class="kw">let </span>err = LLVMOrcCreateLLJIT( + <span class="kw-2">&mut </span>jit <span class="kw">as _</span>, + std::ptr::null_mut(), <span class="comment">/* builder: nullptr -> default */ + </span>); - <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">err</span>) <span class="op">=</span> <span class="ident">Error::from</span>(<span class="ident">err</span>) { - <span class="macro">panic!</span>(<span class="string">"Error: {}"</span>, <span class="ident">err</span>.<span class="ident">as_str</span>()); + <span class="kw">if let </span><span class="prelude-val">Some</span>(err) = Error::from(err) { + <span class="macro">panic!</span>(<span class="string">"Error: {}"</span>, err.as_str()); } - <span class="kw">let</span> <span class="ident">dylib</span> <span class="op">=</span> <span class="ident">LLVMOrcLLJITGetMainJITDylib</span>(<span class="ident">jit</span>); - <span class="macro">assert!</span>(<span class="op">!</span><span class="ident">dylib</span>.<span class="ident">is_null</span>()); + <span class="kw">let </span>dylib = LLVMOrcLLJITGetMainJITDylib(jit); + <span class="macro">assert!</span>(!dylib.is_null()); - (<span class="ident">jit</span>, <span class="ident">dylib</span>) + (jit, dylib) }; - <span class="ident">LLJit</span> { <span class="ident">jit</span>, <span class="ident">dylib</span> } + LLJit { jit, dylib } } - <span class="doccomment">/// Add an LLVM IR module to the JIT. Return a [`ResourceTracker`], which when dropped, will</span> - <span class="doccomment">/// remove the code of the LLVM IR module from the JIT.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// # Panics</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Panics if LLVM API returns a `null` pointer or an error.</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">add_module</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">module</span>: <span class="ident">Module</span>) -> <span class="ident">ResourceTracker</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span> { - <span class="kw">let</span> <span class="ident">tsmod</span> <span class="op">=</span> <span class="ident">module</span>.<span class="ident">into_raw_thread_safe_module</span>(); + <span class="doccomment">/// Add an LLVM IR module to the JIT. Return a [`ResourceTracker`], which when dropped, will + /// remove the code of the LLVM IR module from the JIT. + /// + /// # Panics + /// + /// Panics if LLVM API returns a `null` pointer or an error. + </span><span class="kw">pub fn </span>add_module(<span class="kw-2">&</span><span class="self">self</span>, module: Module) -> ResourceTracker<<span class="lifetime">'_</span>> { + <span class="kw">let </span>tsmod = module.into_raw_thread_safe_module(); - <span class="kw">let</span> <span class="ident">rt</span> <span class="op">=</span> <span class="kw">unsafe</span> { - <span class="kw">let</span> <span class="ident">rt</span> <span class="op">=</span> <span class="ident">LLVMOrcJITDylibCreateResourceTracker</span>(<span class="self">self</span>.<span class="ident">dylib</span>); - <span class="kw">let</span> <span class="ident">err</span> <span class="op">=</span> <span class="ident">LLVMOrcLLJITAddLLVMIRModuleWithRT</span>(<span class="self">self</span>.<span class="ident">jit</span>, <span class="ident">rt</span>, <span class="ident">tsmod</span>); + <span class="kw">let </span>rt = <span class="kw">unsafe </span>{ + <span class="kw">let </span>rt = LLVMOrcJITDylibCreateResourceTracker(<span class="self">self</span>.dylib); + <span class="kw">let </span>err = LLVMOrcLLJITAddLLVMIRModuleWithRT(<span class="self">self</span>.jit, rt, tsmod); - <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">err</span>) <span class="op">=</span> <span class="ident">Error::from</span>(<span class="ident">err</span>) { - <span class="macro">panic!</span>(<span class="string">"Error: {}"</span>, <span class="ident">err</span>.<span class="ident">as_str</span>()); + <span class="kw">if let </span><span class="prelude-val">Some</span>(err) = Error::from(err) { + <span class="macro">panic!</span>(<span class="string">"Error: {}"</span>, err.as_str()); } - <span class="ident">rt</span> + rt }; - <span class="ident">ResourceTracker::new</span>(<span class="ident">rt</span>) + ResourceTracker::new(rt) } - <span class="doccomment">/// Find the symbol with the name `sym` in the JIT.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// # Panics</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Panics if the symbol is not found in the JIT.</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">find_symbol</span><span class="op"><</span><span class="ident">F</span>: <span class="ident">JitFn</span><span class="op">></span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">sym</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="ident">F</span> { - <span class="kw">let</span> <span class="ident">sym</span> <span class="op">=</span> - <span class="ident">SmallCStr::try_from</span>(<span class="ident">sym</span>).<span class="ident">expect</span>(<span class="string">"Failed to convert 'sym' argument to small C string!"</span>); + <span class="doccomment">/// Find the symbol with the name `sym` in the JIT. + /// + /// # Panics + /// + /// Panics if the symbol is not found in the JIT. + </span><span class="kw">pub fn </span>find_symbol<F: JitFn>(<span class="kw-2">&</span><span class="self">self</span>, sym: <span class="kw-2">&</span>str) -> F { + <span class="kw">let </span>sym = + SmallCStr::try_from(sym).expect(<span class="string">"Failed to convert 'sym' argument to small C string!"</span>); - <span class="kw">unsafe</span> { - <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">addr</span> <span class="op">=</span> <span class="number">0u64</span>; - <span class="kw">let</span> <span class="ident">err</span> <span class="op">=</span> <span class="ident">LLVMOrcLLJITLookup</span>(<span class="self">self</span>.<span class="ident">jit</span>, <span class="kw-2">&mut</span> <span class="ident">addr</span> <span class="kw">as</span> <span class="kw">_</span>, <span class="ident">sym</span>.<span class="ident">as_ptr</span>()); + <span class="kw">unsafe </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>addr = <span class="number">0u64</span>; + <span class="kw">let </span>err = LLVMOrcLLJITLookup(<span class="self">self</span>.jit, <span class="kw-2">&mut </span>addr <span class="kw">as _</span>, sym.as_ptr()); - <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">err</span>) <span class="op">=</span> <span class="ident">Error::from</span>(<span class="ident">err</span>) { - <span class="macro">panic!</span>(<span class="string">"Error: {}"</span>, <span class="ident">err</span>.<span class="ident">as_str</span>()); + <span class="kw">if let </span><span class="prelude-val">Some</span>(err) = Error::from(err) { + <span class="macro">panic!</span>(<span class="string">"Error: {}"</span>, err.as_str()); } - <span class="macro">debug_assert_eq!</span>(<span class="ident">core::mem::size_of_val</span>(<span class="kw-2">&</span><span class="ident">addr</span>), <span class="ident">core::mem::size_of</span>::<span class="op"><</span><span class="ident">F</span><span class="op">></span>()); - <span class="ident">std::mem::transmute_copy</span>(<span class="kw-2">&</span><span class="ident">addr</span>) + <span class="macro">debug_assert_eq!</span>(core::mem::size_of_val(<span class="kw-2">&</span>addr), core::mem::size_of::<F>()); + std::mem::transmute_copy(<span class="kw-2">&</span>addr) } } - <span class="doccomment">/// Enable lookup of dynamic symbols available in the current process from the JIT.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// # Panics</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Panics if LLVM API returns an error.</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">enable_process_symbols</span>(<span class="kw-2">&</span><span class="self">self</span>) { - <span class="kw">unsafe</span> { - <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">proc_syms_gen</span>: <span class="ident">LLVMOrcDefinitionGeneratorRef</span> <span class="op">=</span> <span class="ident">std::ptr::null_mut</span>(); - <span class="kw">let</span> <span class="ident">err</span> <span class="op">=</span> <span class="ident">LLVMOrcCreateDynamicLibrarySearchGeneratorForProcess</span>( - <span class="kw-2">&mut</span> <span class="ident">proc_syms_gen</span> <span class="kw">as</span> <span class="kw">_</span>, - <span class="self">self</span>.<span class="ident">global_prefix</span>(), - <span class="prelude-val">None</span>, <span class="comment">/* filter */</span> - <span class="ident">std::ptr::null_mut</span>(), <span class="comment">/* filter ctx */</span> - ); + <span class="doccomment">/// Enable lookup of dynamic symbols available in the current process from the JIT. + /// + /// # Panics + /// + /// Panics if LLVM API returns an error. + </span><span class="kw">pub fn </span>enable_process_symbols(<span class="kw-2">&</span><span class="self">self</span>) { + <span class="kw">unsafe </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>proc_syms_gen: LLVMOrcDefinitionGeneratorRef = std::ptr::null_mut(); + <span class="kw">let </span>err = LLVMOrcCreateDynamicLibrarySearchGeneratorForProcess( + <span class="kw-2">&mut </span>proc_syms_gen <span class="kw">as _</span>, + <span class="self">self</span>.global_prefix(), + <span class="prelude-val">None</span>, <span class="comment">/* filter */ + </span>std::ptr::null_mut(), <span class="comment">/* filter ctx */ + </span>); - <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">err</span>) <span class="op">=</span> <span class="ident">Error::from</span>(<span class="ident">err</span>) { - <span class="macro">panic!</span>(<span class="string">"Error: {}"</span>, <span class="ident">err</span>.<span class="ident">as_str</span>()); + <span class="kw">if let </span><span class="prelude-val">Some</span>(err) = Error::from(err) { + <span class="macro">panic!</span>(<span class="string">"Error: {}"</span>, err.as_str()); } - <span class="ident">LLVMOrcJITDylibAddGenerator</span>(<span class="self">self</span>.<span class="ident">dylib</span>, <span class="ident">proc_syms_gen</span>); + LLVMOrcJITDylibAddGenerator(<span class="self">self</span>.dylib, proc_syms_gen); } } - <span class="doccomment">/// Return the global prefix character according to the LLJITs data layout.</span> - <span class="kw">fn</span> <span class="ident">global_prefix</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">libc::c_char</span> { - <span class="kw">unsafe</span> { <span class="ident">LLVMOrcLLJITGetGlobalPrefix</span>(<span class="self">self</span>.<span class="ident">jit</span>) } + <span class="doccomment">/// Return the global prefix character according to the LLJITs data layout. + </span><span class="kw">fn </span>global_prefix(<span class="kw-2">&</span><span class="self">self</span>) -> libc::c_char { + <span class="kw">unsafe </span>{ LLVMOrcLLJITGetGlobalPrefix(<span class="self">self</span>.jit) } } } -<span class="doccomment">/// A resource handle for code added to an [`LLJit`] instance.</span> -<span class="doccomment">///</span> -<span class="doccomment">/// When a `ResourceTracker` handle is dropped, the code corresponding to the handle will be</span> -<span class="doccomment">/// removed from the JIT.</span> -<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">ResourceTracker</span><span class="op"><</span><span class="lifetime">'jit</span><span class="op">></span>(<span class="ident">LLVMOrcResourceTrackerRef</span>, <span class="ident">PhantomData</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'jit</span> ()<span class="op">></span>); +<span class="doccomment">/// A resource handle for code added to an [`LLJit`] instance. +/// +/// When a `ResourceTracker` handle is dropped, the code corresponding to the handle will be +/// removed from the JIT. +</span><span class="kw">pub struct </span>ResourceTracker<<span class="lifetime">'jit</span>>(LLVMOrcResourceTrackerRef, PhantomData<<span class="kw-2">&</span><span class="lifetime">'jit </span>()>); -<span class="kw">impl</span><span class="op"><</span><span class="lifetime">'jit</span><span class="op">></span> <span class="ident">ResourceTracker</span><span class="op"><</span><span class="lifetime">'jit</span><span class="op">></span> { - <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">rt</span>: <span class="ident">LLVMOrcResourceTrackerRef</span>) -> <span class="ident">ResourceTracker</span><span class="op"><</span><span class="lifetime">'jit</span><span class="op">></span> { - <span class="macro">assert!</span>(<span class="op">!</span><span class="ident">rt</span>.<span class="ident">is_null</span>()); - <span class="ident">ResourceTracker</span>(<span class="ident">rt</span>, <span class="ident">PhantomData</span>) +<span class="kw">impl</span><<span class="lifetime">'jit</span>> ResourceTracker<<span class="lifetime">'jit</span>> { + <span class="kw">fn </span>new(rt: LLVMOrcResourceTrackerRef) -> ResourceTracker<<span class="lifetime">'jit</span>> { + <span class="macro">assert!</span>(!rt.is_null()); + ResourceTracker(rt, PhantomData) } } -<span class="kw">impl</span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">ResourceTracker</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span> { - <span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&mut</span> <span class="self">self</span>) { - <span class="kw">unsafe</span> { - <span class="kw">let</span> <span class="ident">err</span> <span class="op">=</span> <span class="ident">LLVMOrcResourceTrackerRemove</span>(<span class="self">self</span>.<span class="number">0</span>); +<span class="kw">impl </span>Drop <span class="kw">for </span>ResourceTracker<<span class="lifetime">'_</span>> { + <span class="kw">fn </span>drop(<span class="kw-2">&mut </span><span class="self">self</span>) { + <span class="kw">unsafe </span>{ + <span class="kw">let </span>err = LLVMOrcResourceTrackerRemove(<span class="self">self</span>.<span class="number">0</span>); - <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">err</span>) <span class="op">=</span> <span class="ident">Error::from</span>(<span class="ident">err</span>) { - <span class="macro">panic!</span>(<span class="string">"Error: {}"</span>, <span class="ident">err</span>.<span class="ident">as_str</span>()); + <span class="kw">if let </span><span class="prelude-val">Some</span>(err) = Error::from(err) { + <span class="macro">panic!</span>(<span class="string">"Error: {}"</span>, err.as_str()); } - <span class="ident">LLVMOrcReleaseResourceTracker</span>(<span class="self">self</span>.<span class="number">0</span>); + LLVMOrcReleaseResourceTracker(<span class="self">self</span>.<span class="number">0</span>); }; } } </code></pre></div> -</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="llvm_kaleidoscope_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.63.0 (4b91a6ea7 2022-08-08)" ></div> -</body></html>
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