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