3 # Add a .gdb_index section to a file.
5 # Copyright (C) 2010-2017 Free Software Foundation, Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 # This program assumes gdb and objcopy are in $PATH.
20 # If not, or you want others, pass the following in the environment
22 OBJCOPY
=${OBJCOPY:=objcopy}
27 echo "usage: $myname FILE" 1>&2
33 if test ! -r "$file"; then
34 echo "$myname: unable to access: $file" 1>&2
39 test "$dir" = "$file" && dir
="."
40 index4
="${file}.gdb-index"
41 index5
="${file}.debug_names"
42 debugstr
="${file}.debug_str"
43 debugstrmerge
="${file}.debug_str.merge"
44 debugstrerr
="${file}.debug_str.err"
46 rm -f $index4 $index5 $debugstr $debugstrmerge $debugstrerr
47 # Ensure intermediate index file is removed when we exit.
48 trap "rm -f $index4 $index5 $debugstr $debugstrmerge $debugstrerr" 0
50 $GDB --batch -nx -iex 'set auto-load no' \
51 -ex "file $file" -ex "save gdb-index $dir" ||
{
54 echo "$myname: gdb error generating index for $file" 1>&2
58 # In some situations gdb can exit without creating an index. This is
60 # E.g., if $file is stripped. This behaviour is akin to stripping an
61 # already stripped binary, it's a no-op.
64 if test -f "$index4" -a -f "$index5"; then
65 echo "$myname: Both index types were created for $file" 1>&2
67 elif test -f "$index4" -o -f "$index5"; then
68 if test -f "$index4"; then
73 section
=".debug_names"
77 if test -s "$debugstr"; then
78 if ! $OBJCOPY --dump-section .debug_str
="$debugstrmerge" "$file" /dev
/null \
83 if grep -q "can't dump section '.debug_str' - it does not exist" \
90 cat "$debugstr" >>"$debugstrmerge"
93 $OBJCOPY --add-section $section="$index" \
94 --set-section-flags $section=readonly \
95 $
(if $debugstradd; then \
96 echo --add-section .debug_str
="$debugstrmerge"; \
97 echo --set-section-flags .debug_str
=readonly; \
99 if $debugstrupdate; then \
100 echo --update-section .debug_str
="$debugstrmerge"; \
106 echo "$myname: No index was created for $file" 1>&2
107 echo "$myname: [Was there no debuginfo? Was there already an index?]" 1>&2
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