| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html> |
| <!-- This file documents the gprof profiler of the GNU system. |
| |
| Copyright (C) 1988, 1992, 1997, 1998, 1999, 2000, 2001, 2003, |
| 2007, 2008, 2009 Free Software Foundation, Inc. |
| |
| Permission is granted to copy, distribute and/or modify this document |
| under the terms of the GNU Free Documentation License, Version 1.3 |
| or any later version published by the Free Software Foundation; |
| with no Invariant Sections, with no Front-Cover Texts, and with no |
| Back-Cover Texts. A copy of the license is included in the |
| section entitled "GNU Free Documentation License". |
| --> |
| <!-- Created by GNU Texinfo 5.2, http://www.gnu.org/software/texinfo/ --> |
| <head> |
| <title>GNU gprof: Symspecs</title> |
| |
| <meta name="description" content="GNU gprof: Symspecs"> |
| <meta name="keywords" content="GNU gprof: Symspecs"> |
| <meta name="resource-type" content="document"> |
| <meta name="distribution" content="global"> |
| <meta name="Generator" content="makeinfo"> |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> |
| <link href="index.html#Top" rel="start" title="Top"> |
| <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> |
| <link href="Invoking.html#Invoking" rel="up" title="Invoking"> |
| <link href="Output.html#Output" rel="next" title="Output"> |
| <link href="Deprecated-Options.html#Deprecated-Options" rel="prev" title="Deprecated Options"> |
| <style type="text/css"> |
| <!-- |
| a.summary-letter {text-decoration: none} |
| blockquote.smallquotation {font-size: smaller} |
| div.display {margin-left: 3.2em} |
| div.example {margin-left: 3.2em} |
| div.indentedblock {margin-left: 3.2em} |
| div.lisp {margin-left: 3.2em} |
| div.smalldisplay {margin-left: 3.2em} |
| div.smallexample {margin-left: 3.2em} |
| div.smallindentedblock {margin-left: 3.2em; font-size: smaller} |
| div.smalllisp {margin-left: 3.2em} |
| kbd {font-style:oblique} |
| pre.display {font-family: inherit} |
| pre.format {font-family: inherit} |
| pre.menu-comment {font-family: serif} |
| pre.menu-preformatted {font-family: serif} |
| pre.smalldisplay {font-family: inherit; font-size: smaller} |
| pre.smallexample {font-size: smaller} |
| pre.smallformat {font-family: inherit; font-size: smaller} |
| pre.smalllisp {font-size: smaller} |
| span.nocodebreak {white-space:nowrap} |
| span.nolinebreak {white-space:nowrap} |
| span.roman {font-family:serif; font-weight:normal} |
| span.sansserif {font-family:sans-serif; font-weight:normal} |
| ul.no-bullet {list-style: none} |
| --> |
| </style> |
| |
| |
| </head> |
| |
| <body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> |
| <a name="Symspecs"></a> |
| <div class="header"> |
| <p> |
| Previous: <a href="Deprecated-Options.html#Deprecated-Options" accesskey="p" rel="prev">Deprecated Options</a>, Up: <a href="Invoking.html#Invoking" accesskey="u" rel="up">Invoking</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>]</p> |
| </div> |
| <hr> |
| <a name="Symspecs-1"></a> |
| <h3 class="section">4.5 Symspecs</h3> |
| |
| <p>Many of the output options allow functions to be included or excluded |
| using <em>symspecs</em> (symbol specifications), which observe the |
| following syntax: |
| </p> |
| <div class="example"> |
| <pre class="example"> filename_containing_a_dot |
| | funcname_not_containing_a_dot |
| | linenumber |
| | ( [ any_filename ] `:' ( any_funcname | linenumber ) ) |
| </pre></div> |
| |
| <p>Here are some sample symspecs: |
| </p> |
| <dl compact="compact"> |
| <dt>‘<samp>main.c</samp>’</dt> |
| <dd><p>Selects everything in file <samp>main.c</samp>—the |
| dot in the string tells <code>gprof</code> to interpret |
| the string as a filename, rather than as |
| a function name. To select a file whose |
| name does not contain a dot, a trailing colon |
| should be specified. For example, ‘<samp>odd:</samp>’ is |
| interpreted as the file named <samp>odd</samp>. |
| </p> |
| </dd> |
| <dt>‘<samp>main</samp>’</dt> |
| <dd><p>Selects all functions named ‘<samp>main</samp>’. |
| </p> |
| <p>Note that there may be multiple instances of the same function name |
| because some of the definitions may be local (i.e., static). Unless a |
| function name is unique in a program, you must use the colon notation |
| explained below to specify a function from a specific source file. |
| </p> |
| <p>Sometimes, function names contain dots. In such cases, it is necessary |
| to add a leading colon to the name. For example, ‘<samp>:.mul</samp>’ selects |
| function ‘<samp>.mul</samp>’. |
| </p> |
| <p>In some object file formats, symbols have a leading underscore. |
| <code>gprof</code> will normally not print these underscores. When you name a |
| symbol in a symspec, you should type it exactly as <code>gprof</code> prints |
| it in its output. For example, if the compiler produces a symbol |
| ‘<samp>_main</samp>’ from your <code>main</code> function, <code>gprof</code> still prints |
| it as ‘<samp>main</samp>’ in its output, so you should use ‘<samp>main</samp>’ in |
| symspecs. |
| </p> |
| </dd> |
| <dt>‘<samp>main.c:main</samp>’</dt> |
| <dd><p>Selects function ‘<samp>main</samp>’ in file <samp>main.c</samp>. |
| </p> |
| </dd> |
| <dt>‘<samp>main.c:134</samp>’</dt> |
| <dd><p>Selects line 134 in file <samp>main.c</samp>. |
| </p></dd> |
| </dl> |
| |
| |
| |
| |
| </body> |
| </html> |
