1 http://sourceware.org/ml/gdb-patches/2010-07/msg00184.html
2 Subject: Re: [0/4] RFC: add DWARF index support
4 Jan Kratochvil: Fixed $d -> $dir.
5 Jan Kratochvil: Remove /dev/null redirection.
7 >>>>> "Tom" == Tom Tromey <tromey@redhat.com> writes:
9 Tom> This patch series adds support for a DWARF index to gdb.
11 Roland suggested we wrap up the index-creation code into a helper
14 I'm not sure if this is something people would want in gdb proper, but I
15 figured I would send it here just in case.
19 2010-07-09 Tom Tromey <tromey@redhat.com>
21 * Makefile.in (install-only): Install gdb-add-index.
22 * gdb-add-index: New file.
24 2010-07-09 Tom Tromey <tromey@redhat.com>
26 * gdb.texinfo (Index Files): Mention gdb-add-index.
28 >From 30714fe719e61baea03d0dc5793eb0d564faebb7 Mon Sep 17 00:00:00 2001
29 From: Tom Tromey <tromey@redhat.com>
30 Date: Fri, 9 Jul 2010 11:17:54 -0600
31 Subject: [PATCH 4/4] add gdb-add-index
32 Subject: [PATCH 4/4] add gdb-add-index
35 gdb/ChangeLog | 5 +++++
36 gdb/Makefile.in | 11 ++++++++++-
37 gdb/doc/ChangeLog | 4 ++++
38 gdb/doc/gdb.texinfo | 8 ++++++++
39 gdb/gdb-add-index | 30 ++++++++++++++++++++++++++++++
40 5 files changed, 57 insertions(+), 1 deletions(-)
41 create mode 100755 gdb/gdb-add-index
43 diff --git a/gdb/Makefile.in b/gdb/Makefile.in
44 index 6dbb284..8210a2c 100644
47 @@ -1018,7 +1018,16 @@ install-only: $(CONFIG_INSTALL) xml-syscall-install
48 $(SHELL) $(srcdir)/../mkinstalldirs \
49 $(DESTDIR)$(man1dir) ; \
50 $(INSTALL_DATA) $(srcdir)/gdb.1 \
51 - $(DESTDIR)$(man1dir)/$$transformed_name.1
52 + $(DESTDIR)$(man1dir)/$$transformed_name.1; \
53 + transformed_name=`t='$(program_transform_name)'; \
54 + echo gdb-add-index | sed -e "$$t"` ; \
55 + if test "x$$transformed_name" = x; then \
56 + transformed_name=gdb-add-index ; \
60 + $(INSTALL_PROGRAM) $(srcdir)/gdb-add-index \
61 + $(DESTDIR)$(bindir)/$$transformed_name$(EXEEXT)
62 @$(MAKE) DO=install "DODIRS=$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do
65 diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
66 index 69141e3..457e6b4 100644
67 --- a/gdb/doc/gdb.texinfo
68 +++ b/gdb/doc/gdb.texinfo
69 @@ -15045,6 +15045,14 @@ There are currently some limitation on indices. They only work when
70 for DWARF debugging information, not stabs. And, they do not
71 currently work for programs using Ada.
73 +@value{GDBN} comes with a program, @command{gdb-add-index}, which can
74 +be used to add the index to a symbol file. It takes the symbol file
75 +as its only argument:
78 +$ gdb-add-index symfile
83 @section Errors Reading Symbol Files
84 diff --git a/gdb/gdb-add-index b/gdb/gdb-add-index
86 index 0000000..c9a03b0
88 +++ b/gdb/gdb-add-index
92 +# Add a .gdb_index section to a file.
94 +# Copyright (C) 2010 Free Software Foundation, Inc.
95 +# This program is free software; you can redistribute it and/or modify
96 +# it under the terms of the GNU General Public License as published by
97 +# the Free Software Foundation; either version 3 of the License, or
98 +# (at your option) any later version.
100 +# This program is distributed in the hope that it will be useful,
101 +# but WITHOUT ANY WARRANTY; without even the implied warranty of
102 +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
103 +# GNU General Public License for more details.
105 +# You should have received a copy of the GNU General Public License
106 +# along with this program. If not, see <http://www.gnu.org/licenses/>.
111 +# We don't care if gdb gives an error.
112 +gdb -nx --batch-silent -ex "file $file" -ex "save gdb-index $dir"
114 +if test -f "${file}.gdb-index"; then
115 + objcopy --add-section .gdb_index="${file}.gdb-index" --set-section-flags .gdb_index=readonly "$file" "$file"
116 + rm -f "${file}.gdb-index"