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| .IX Title "GDB-ADD-INDEX 1" |
| .TH GDB-ADD-INDEX 1 "2019-12-09" "gdb-8.3.0.20190709-git" "GNU Development Tools" |
| .\" For nroff, turn off justification. Always turn off hyphenation; it makes |
| .\" way too many mistakes in technical documents. |
| .if n .ad l |
| .nh |
| .SH "NAME" |
| gdb\-add\-index \- Add index files to speed up GDB |
| .SH "SYNOPSIS" |
| .IX Header "SYNOPSIS" |
| gdb-add-index \fIfilename\fR |
| .SH "DESCRIPTION" |
| .IX Header "DESCRIPTION" |
| When \s-1GDB\s0 finds a symbol file, it scans the symbols in the |
| file in order to construct an internal symbol table. This lets most |
| \&\s-1GDB\s0 operations work quickly\*(--at the cost of a delay early on. |
| For large programs, this delay can be quite lengthy, so \s-1GDB\s0 |
| provides a way to build an index, which speeds up startup. |
| .PP |
| To determine whether a file contains such an index, use the command |
| \&\f(CW\*(C`readelf \-S filename\*(C'\fR: the index is stored in a section named |
| \&\f(CW\*(C`.gdb_index\*(C'\fR. The index file can only be produced on systems |
| which use \s-1ELF\s0 binaries and \s-1DWARF\s0 debug information (i.e., sections |
| named \f(CW\*(C`.debug_*\*(C'\fR). |
| .PP |
| \&\fBgdb-add-index\fR uses \s-1GDB\s0 and \fBobjdump\fR found |
| in the \fB\s-1PATH\s0\fR environment variable. If you want to use different |
| versions of these programs, you can specify them through the |
| \&\fB\s-1GDB\s0\fR and \fB\s-1OBJDUMP\s0\fR environment variables. |
| .PP |
| See more in |
| the \s-1GDB\s0 manual in node \f(CW\*(C`Index Files\*(C'\fR |
| \&\*(-- shell command \f(CW\*(C`info \-f gdb \-n "Index Files"\*(C'\fR. |
| .SH "OPTIONS" |
| .IX Header "OPTIONS" |
| .SH "SEE ALSO" |
| .IX Header "SEE ALSO" |
| The full documentation for \s-1GDB\s0 is maintained as a Texinfo manual. |
| If the \f(CW\*(C`info\*(C'\fR and \f(CW\*(C`gdb\*(C'\fR programs and \s-1GDB\s0's Texinfo |
| documentation are properly installed at your site, the command |
| .PP |
| .Vb 1 |
| \& info gdb |
| .Ve |
| .PP |
| should give you access to the complete manual. |
| .PP |
| \&\fIUsing \s-1GDB:\s0 A Guide to the \s-1GNU\s0 Source-Level Debugger\fR, |
| Richard M. Stallman and Roland H. Pesch, July 1991. |
| .SH "COPYRIGHT" |
| .IX Header "COPYRIGHT" |
| Copyright (c) 1988\-2019 Free Software Foundation, Inc. |
| .PP |
| Permission is granted to copy, distribute and/or modify this document |
| under the terms of the \s-1GNU\s0 Free Documentation License, Version 1.3 or |
| any later version published by the Free Software Foundation; with the |
| Invariant Sections being \*(L"Free Software\*(R" and \*(L"Free Software Needs |
| Free Documentation\*(R", with the Front-Cover Texts being \*(L"A \s-1GNU\s0 Manual,\*(R" |
| and with the Back-Cover Texts as in (a) below. |
| .PP |
| (a) The \s-1FSF\s0's Back-Cover Text is: \*(L"You are free to copy and modify |
| this \s-1GNU\s0 Manual. Buying copies from \s-1GNU\s0 Press supports the \s-1FSF\s0 in |
| developing \s-1GNU\s0 and promoting software freedom.\*(R" |
