1 # Copyright 2013-2015 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18 # This test can only be run on targets which support DWARF-2.
19 if {![dwarf2_support]} {
23 standard_testfile main.c
25 if { [prepare_for_testing "${testfile}.exp" "${testfile}" \
26 [list ${srcfile}]] } {
30 # Add a .gdb_index section to PROGRAM.
31 # PROGRAM is assumed to be the output of standard_output_file.
32 # Returns the path of the program or "" if there is a failure.
33 # If there is a failure it will have already been logged.
35 proc add_gdb_index { program } {
36 set index_file ${program}.gdb-index
37 verbose -log "index_file: ${index_file}"
38 remote_file host delete ${index_file}
39 gdb_test_no_output "save gdb-index [file dirname ${index_file}]" \
40 "save gdb-index for file [file tail ${program}]"
42 # No point in continuing if generating the index failed.
43 # N.B.: There are times when gdb won't create an index, and it's not a
44 # failure. However, in our case we need an index. So if you find one
45 # not being generated, you'll either have to tweak the .c file or maybe
46 # add a flag to force an index to be generated.
47 if { [remote_file host exists ${index_file}] } {
48 pass "gdb-index file created"
50 fail "gdb-index file created"
54 set program_with_index ${program}.with-index
55 if {[run_on_host "objcopy" [gdb_find_objcopy] "--remove-section .gdb_index --add-section .gdb_index=$index_file --set-section-flags .gdb_index=readonly ${program} ${program_with_index}"]} {
58 return ${program_with_index}
61 # Build a copy of the program with .gdb_index.
62 # But only if the toolchain didn't already create one: gdb doesn't support
63 # building an index from a program already using one.
65 set test "check if index present"
66 gdb_test_multiple "mt print objfiles ${testfile}" $test {
67 -re "gdb_index.*${gdb_prompt} $" {
68 set binfile_with_index $binfile
70 -re "Psymtabs.*${gdb_prompt} $" {
71 set binfile_with_index [add_gdb_index $binfile]
72 if { ${binfile_with_index} == "" } {
78 # Ok, we have a copy of $binfile with .gdb_index.
79 # Restart gdb and verify the index was used.
81 clean_restart ${binfile_with_index}
82 gdb_test "mt print objfiles ${testfile}" \
86 # Make gdb re-read symbols and see if .gdb_index still gets used.
89 # There is gdb_touch_execfile, but it doesn't handle remote hosts.
90 # Is touch portable enough?
91 # First make sure enough time has passed, file mtime resolution is seconds.
92 gdb_test_no_output "shell sleep 1"
93 if {[run_on_host "touch binary" touch ${binfile_with_index}]} {
100 gdb_test "mt print objfiles ${testfile}" \
102 ".gdb_index used after symbol reloading"