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149 lines
7.3 KiB
HTML
149 lines
7.3 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
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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 the
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Invariant Sections being "Free Software" and "Free Software Needs
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Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
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and with the Back-Cover Texts as in (a) below.
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(a) The FSF's Back-Cover Text is: "You are free to copy and modify
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this GNU Manual. Buying copies from GNU Press supports the FSF in
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developing GNU and promoting software freedom." -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Objfiles In Guile (Debugging with GDB)</title>
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<meta name="description" content="Objfiles In Guile (Debugging with GDB)">
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<meta name="keywords" content="Objfiles In Guile (Debugging with GDB)">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" 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="Guile-API.html#Guile-API" rel="up" title="Guile API">
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<link href="Frames-In-Guile.html#Frames-In-Guile" rel="next" title="Frames In Guile">
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<link href="Progspaces-In-Guile.html#Progspaces-In-Guile" rel="prev" title="Progspaces In Guile">
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</style>
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</head>
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<body lang="en">
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<a name="Objfiles-In-Guile"></a>
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<div class="header">
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<p>
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Next: <a href="Frames-In-Guile.html#Frames-In-Guile" accesskey="n" rel="next">Frames In Guile</a>, Previous: <a href="Progspaces-In-Guile.html#Progspaces-In-Guile" accesskey="p" rel="prev">Progspaces In Guile</a>, Up: <a href="Guile-API.html#Guile-API" accesskey="u" rel="up">Guile API</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Objfiles-In-Guile-1"></a>
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<h4 class="subsubsection">23.3.3.14 Objfiles In Guile</h4>
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<a name="index-objfiles-in-guile"></a>
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<a name="index-_003cgdb_003aobjfile_003e"></a>
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<p><small>GDB</small> loads symbols for an inferior from various
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symbol-containing files (see <a href="Files.html#Files">Files</a>). These include the primary
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executable file, any shared libraries used by the inferior, and any
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separate debug info files (see <a href="Separate-Debug-Files.html#Separate-Debug-Files">Separate Debug Files</a>).
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<small>GDB</small> calls these symbol-containing files <em>objfiles</em>.
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</p>
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<p>Each objfile is represented as an object of type <code><gdb:objfile></code>.
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</p>
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<p>The following objfile-related procedures are provided by the
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<code>(gdb)</code> module:
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</p>
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<dl>
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<dt><a name="index-objfile_003f"></a>Scheme Procedure: <strong>objfile?</strong> <em>object</em></dt>
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<dd><p>Return <code>#t</code> if <var>object</var> is a <code><gdb:objfile></code> object.
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Otherwise return <code>#f</code>.
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</p></dd></dl>
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<dl>
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<dt><a name="index-objfile_002dvalid_003f"></a>Scheme Procedure: <strong>objfile-valid?</strong> <em>objfile</em></dt>
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<dd><p>Return <code>#t</code> if <var>objfile</var> is valid, <code>#f</code> if not.
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A <code><gdb:objfile></code> object can become invalid
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if the object file it refers to is not loaded in <small>GDB</small> any
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longer. All other <code><gdb:objfile></code> procedures will throw an exception
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if it is invalid at the time the procedure is called.
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</p></dd></dl>
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<dl>
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<dt><a name="index-objfile_002dfilename"></a>Scheme Procedure: <strong>objfile-filename</strong> <em>objfile</em></dt>
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<dd><p>Return the file name of <var>objfile</var> as a string,
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with symbolic links resolved.
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</p></dd></dl>
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<dl>
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<dt><a name="index-objfile_002dprogspace"></a>Scheme Procedure: <strong>objfile-progspace</strong> <em>objfile</em></dt>
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<dd><p>Return the <code><gdb:progspace></code> that this object file lives in.
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See <a href="Progspaces-In-Guile.html#Progspaces-In-Guile">Progspaces In Guile</a>, for more on progspaces.
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</p></dd></dl>
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<dl>
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<dt><a name="index-objfile_002dpretty_002dprinters"></a>Scheme Procedure: <strong>objfile-pretty-printers</strong> <em>objfile</em></dt>
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<dd><p>Return the list of registered <code><gdb:pretty-printer></code> objects for
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<var>objfile</var>. See <a href="Guile-Pretty-Printing-API.html#Guile-Pretty-Printing-API">Guile Pretty Printing API</a>, for more information.
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</p></dd></dl>
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<dl>
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<dt><a name="index-set_002dobjfile_002dpretty_002dprinters_0021"></a>Scheme Procedure: <strong>set-objfile-pretty-printers!</strong> <em>objfile printer-list</em></dt>
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<dd><p>Set the list of registered <code><gdb:pretty-printer></code> objects for
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<var>objfile</var> to <var>printer-list</var>. The
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<var>printer-list</var> must be a list of <code><gdb:pretty-printer></code> objects.
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See <a href="Guile-Pretty-Printing-API.html#Guile-Pretty-Printing-API">Guile Pretty Printing API</a>, for more information.
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</p></dd></dl>
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<dl>
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<dt><a name="index-current_002dobjfile"></a>Scheme Procedure: <strong>current-objfile</strong></dt>
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<dd><p>When auto-loading a Guile script (see <a href="Guile-Auto_002dloading.html#Guile-Auto_002dloading">Guile Auto-loading</a>), <small>GDB</small>
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sets the “current objfile” to the corresponding objfile. This
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function returns the current objfile. If there is no current objfile,
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this function returns <code>#f</code>.
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</p></dd></dl>
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<dl>
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<dt><a name="index-objfiles"></a>Scheme Procedure: <strong>objfiles</strong></dt>
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<dd><p>Return a list of all the objfiles in the current program space.
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</p></dd></dl>
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<hr>
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<div class="header">
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<p>
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Next: <a href="Frames-In-Guile.html#Frames-In-Guile" accesskey="n" rel="next">Frames In Guile</a>, Previous: <a href="Progspaces-In-Guile.html#Progspaces-In-Guile" accesskey="p" rel="prev">Progspaces In Guile</a>, Up: <a href="Guile-API.html#Guile-API" accesskey="u" rel="up">Guile API</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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</body>
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</html>
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