[commit] A tip for using less memory for symtabs

[Eli Zaretskii]

This issue came up in a past disucssion, so I've committed the
attached patch ti give users a tip.

2004-10-23  Eli Zaretskii  <eliz@gnu.org>

	* gdb.texinfo (Files): Add a tip for decreasing memory used
	for symtabs from shared libraries.

Index: gdb.texinfo
===================================================================
RCS file: /cvs/src/src/gdb/doc/gdb.texinfo,v
retrieving revision 1.218
diff -u -r1.218 gdb.texinfo
--- gdb.texinfo	23 Oct 2004 13:52:37 -0000	1.218
+++ gdb.texinfo	23 Oct 2004 14:08:19 -0000
@@ -10453,6 +10453,16 @@
 is @code{off}, symbols must be loaded manually, using the
 @code{sharedlibrary} command.  The default value is @code{on}.
 
+@cindex memory used for symbol tables
+If your program uses lots of shared libraries with debug info that
+takes large amounts of memory, you can decrease the @value{GDBN}
+memory footprint by preventing it from automatically loading the
+symbols from shared libraries.  To that end, type @kbd{set
+auto-solib-add off} before running the inferior, then load each
+library whose debug symbols you do need with @kbd{sharedlibrary
+@var{regexp}}, where @var{regexp} is a regular expresion that matches
+the libraries whose symbols you want to be loaded.
+
 @kindex show auto-solib-add
 @item show auto-solib-add
 Display the current autoloading mode.