91 lines
5.1 KiB
HTML
91 lines
5.1 KiB
HTML
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<!DOCTYPE html>
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<html>
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<!-- Created by GNU Texinfo 7.1, https://www.gnu.org/software/texinfo/ -->
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<!-- This manual documents Guile version 3.0.10.
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Copyright (C) 1996-1997, 2000-2005, 2009-2023 Free Software Foundation,
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Inc.
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Copyright (C) 2021 Maxime Devos
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Copyright (C) 2024 Tomas Volf
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with no
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Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A
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copy of the license is included in the section entitled "GNU Free
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Documentation License." -->
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<title>Instrumentation Instructions (Guile Reference Manual)</title>
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<meta name="description" content="Instrumentation Instructions (Guile Reference Manual)">
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<meta name="keywords" content="Instrumentation Instructions (Guile Reference Manual)">
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<meta name="distribution" content="global">
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<meta name="Generator" content=".texi2any-real">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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<link href="index.html" rel="start" title="Top">
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<link href="Concept-Index.html" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Instruction-Set.html" rel="up" title="Instruction Set">
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<link href="Intrinsic-Call-Instructions.html" rel="next" title="Intrinsic Call Instructions">
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<link href="Non_002dLocal-Control-Flow-Instructions.html" rel="prev" title="Non-Local Control Flow Instructions">
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<style type="text/css">
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</style>
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<link rel="stylesheet" type="text/css" href="https://www.gnu.org/software/gnulib/manual.css">
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</head>
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<body lang="en">
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<div class="subsubsection-level-extent" id="Instrumentation-Instructions">
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<div class="nav-panel">
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<p>
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Next: <a href="Intrinsic-Call-Instructions.html" accesskey="n" rel="next">Intrinsic Call Instructions</a>, Previous: <a href="Non_002dLocal-Control-Flow-Instructions.html" accesskey="p" rel="prev">Non-Local Control Flow Instructions</a>, Up: <a href="Instruction-Set.html" accesskey="u" rel="up">Instruction Set</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<h4 class="subsubsection" id="Instrumentation-Instructions-1"><span>9.3.7.6 Instrumentation Instructions<a class="copiable-link" href="#Instrumentation-Instructions-1"> ¶</a></span></h4>
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<dl class="first-deftypefn">
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<dt class="deftypefn" id="index-instrument_002dentry"><span class="category-def">Instruction: </span><span><strong class="def-name">instrument-entry</strong> <code class="def-code-arguments">x24_<var class="var">_</var> n32:<var class="var">data</var></code><a class="copiable-link" href="#index-instrument_002dentry"> ¶</a></span></dt>
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<dt class="deftypefnx def-cmd-deftypefn" id="index-instrument_002dloop"><span class="category-def">Instruction: </span><span><strong class="def-name">instrument-loop</strong> <code class="def-code-arguments">x24_<var class="var">_</var> n32:<var class="var">data</var></code><a class="copiable-link" href="#index-instrument_002dloop"> ¶</a></span></dt>
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<dd><p>Increase execution counter for this function and potentially tier up to
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the next JIT level. <var class="var">data</var> is an offset to a structure recording
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execution counts and the next-level JIT code corresponding to this
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function. The increment values are currently 30 for
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<code class="code">instrument-entry</code> and 2 for <code class="code">instrument-loop</code>.
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</p>
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<p><code class="code">instrument-entry</code> will also run the apply hook, if VM hooks are
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enabled.
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</p></dd></dl>
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<dl class="first-deftypefn">
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<dt class="deftypefn" id="index-handle_002dinterrupts"><span class="category-def">Instruction: </span><span><strong class="def-name">handle-interrupts</strong> <code class="def-code-arguments">x24:<var class="var">_</var></code><a class="copiable-link" href="#index-handle_002dinterrupts"> ¶</a></span></dt>
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<dd><p>Handle pending asynchronous interrupts (asyncs). See <a class="xref" href="Asyncs.html">Asynchronous Interrupts</a>. The
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compiler inserts <code class="code">handle-interrupts</code> instructions before any call,
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return, or loop back-edge.
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</p></dd></dl>
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<dl class="first-deftypefn">
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<dt class="deftypefn" id="index-return_002dfrom_002dinterrupt"><span class="category-def">Instruction: </span><span><strong class="def-name">return-from-interrupt</strong> <code class="def-code-arguments">x24:<var class="var">_</var></code><a class="copiable-link" href="#index-return_002dfrom_002dinterrupt"> ¶</a></span></dt>
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<dd><p>A special instruction to return from a call and also pop off the stack
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frame from the call. Used when returning from asynchronous interrupts.
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</p></dd></dl>
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</div>
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</body>
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</html>
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