1# Copyright 2019-2020 Free Software Foundation, Inc.
2
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.
7#
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.
12#
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/>.
15
16# Test whether GDB's gcore/generate-core-file command can dump memory
17# mappings with ELF headers, containing a build-id note.
18#
19# Due to the fact that we don't have an easy way to process a corefile
20# and look for specific notes using GDB/dejagnu, we rely on an
21# external tool, eu-unstrip, to verify if the corefile contains
22# build-ids.
23
24standard_testfile "normal.c"
25
26# This test is Linux x86_64 only.
27if { ![istarget *-*-linux*] } {
28    untested "$testfile.exp"
29    return -1
30}
31if { ![istarget "x86_64-*-*"] || ![is_lp64_target] } {
32    untested "$testfile.exp"
33    return -1
34}
35
36if { [prepare_for_testing "failed to prepare" $testfile $srcfile debug] } {
37    return -1
38}
39
40if { ![runto_main] } {
41    untested "could not run to main"
42    return -1
43}
44
45# First we need to generate a corefile.
46set corefilename "[standard_output_file gcore.test]"
47if { ![gdb_gcore_cmd "$corefilename" "save corefile"] } {
48    verbose -log "Could not save corefile"
49    untested "$testfile.exp"
50    return -1
51}
52
53# Determine if GDB dumped the mapping containing the build-id.  This
54# is done by invoking an external program (eu-unstrip).
55if { [catch "exec [gdb_find_eu-unstrip] -n --core $corefilename" output] == 0 } {
56    set line [lindex [split $output "\n"] 0]
57    set test "gcore dumped mapping with build-id"
58
59    verbose -log "First line of eu-unstrip: $line"
60
61    if { [regexp "^${hex}\\+${hex} \[a-f0-9\]+@${hex}.*[string_to_regexp $binfile]$" $line] } {
62	pass "$test"
63    } else {
64	fail "$test"
65    }
66} else {
67    verbose -log "Could not execute eu-unstrip program"
68    untested "$testfile.exp"
69}
70