aarch64-linux-gnu-9.2/share/doc/gdb/File-Caching.html - toolchains/linux-x86/gcc - Git at Google

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 <h3 class="section">18.2 File Caching</h3>

 <p><a name="index-caching-of-opened-files-1265"></a><a name="index-caching-of-bfd-objects-1266"></a>
 To speed up file loading, and reduce memory usage, <span class="sc">gdb</span> will
 reuse the <code>bfd</code> objects used to track open files.  See <a href="../bfd/index.html#Top">BFD</a>.  The following commands
 allow visibility and control of the caching behavior.


 <a name="index-maint-info-bfds-1267"></a>
 <dl><dt><code>maint info bfds</code><dd>This prints information about each <code>bfd</code> object that is known to
 <span class="sc">gdb</span>.

      <p><a name="index-maint-set-bfd_002dsharing-1268"></a><a name="index-maint-show-bfd_002dsharing-1269"></a><a name="index-bfd-caching-1270"></a><br><dt><code>maint set bfd-sharing</code><br><dt><code>maint show bfd-sharing</code><dd>Control whether <code>bfd</code> objects can be shared.  When sharing is
 enabled <span class="sc">gdb</span> reuses already open <code>bfd</code> objects rather
 than reopening the same file.  Turning sharing off does not cause
 already shared <code>bfd</code> objects to be unshared, but all future files
 that are opened will create a new <code>bfd</code> object.  Similarly,
 re-enabling sharing does not cause multiple existing <code>bfd</code>
 objects to be collapsed into a single shared <code>bfd</code> object.

      <p><a name="index-set-debug-bfd_002dcache-_0040var_007blevel_007d-1271"></a><a name="index-bfd-caching-1272"></a><br><dt><code>set debug bfd-cache </code><var>level</var><dd>Turns on debugging of the bfd cache, setting the level to <var>level</var>.

      <p><a name="index-show-debug-bfd_002dcache-1273"></a><a name="index-bfd-caching-1274"></a><br><dt><code>show debug bfd-cache</code><dd>Show the current debugging level of the bfd cache.
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	<h3 class="section">18.2 File Caching</h3>

	<p><a name="index-caching-of-opened-files-1265"></a><a name="index-caching-of-bfd-objects-1266"></a>
	To speed up file loading, and reduce memory usage, <span class="sc">gdb</span> will
	reuse the <code>bfd</code> objects used to track open files. See <a href="../bfd/index.html#Top">BFD</a>. The following commands
	allow visibility and control of the caching behavior.


	<a name="index-maint-info-bfds-1267"></a>
	<dl><dt><code>maint info bfds</code><dd>This prints information about each <code>bfd</code> object that is known to
	<span class="sc">gdb</span>.

	<p><a name="index-maint-set-bfd_002dsharing-1268"></a><a name="index-maint-show-bfd_002dsharing-1269"></a><a name="index-bfd-caching-1270"></a><br><dt><code>maint set bfd-sharing</code><br><dt><code>maint show bfd-sharing</code><dd>Control whether <code>bfd</code> objects can be shared. When sharing is
	enabled <span class="sc">gdb</span> reuses already open <code>bfd</code> objects rather
	than reopening the same file. Turning sharing off does not cause
	already shared <code>bfd</code> objects to be unshared, but all future files
	that are opened will create a new <code>bfd</code> object. Similarly,
	re-enabling sharing does not cause multiple existing <code>bfd</code>
	objects to be collapsed into a single shared <code>bfd</code> object.

	<p><a name="index-set-debug-bfd_002dcache-_0040var_007blevel_007d-1271"></a><a name="index-bfd-caching-1272"></a><br><dt><code>set debug bfd-cache </code><var>level</var><dd>Turns on debugging of the bfd cache, setting the level to <var>level</var>.

	<p><a name="index-show-debug-bfd_002dcache-1273"></a><a name="index-bfd-caching-1274"></a><br><dt><code>show debug bfd-cache</code><dd>Show the current debugging level of the bfd cache.
	</dl>

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