1 # Test `info auxv' and related functionality.
3 # Copyright (C) 1992-2013 Free Software Foundation, Inc.
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18 # This file is based on corefile.exp which was written by Fred
19 # Fish. (fnf@cygnus.com)
21 if { ! [istarget "*-*-linux*"] && ! [istarget "*-*-solaris*"] } {
22 verbose "Skipping auxv.exp because of lack of support."
28 set srcfile ${testfile}.c
29 set binfile ${objdir}/${subdir}/${testfile}
30 set corefile ${objdir}/${subdir}/${testfile}.corefile
31 set gcorefile ${objdir}/${subdir}/${testfile}.gcore
33 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \
34 {debug additional_flags=-DUSE_RLIMIT}] != ""
35 && [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \
37 untested "couldn't compile ${srcdir}/${subdir}/${srcfile}"
41 # Use a fresh directory to confine the native core dumps.
42 # Make it the working directory for gdb and its child.
43 set coredir "${objdir}/${subdir}/coredir.[getpid]"
45 set core_works [expr [isnative] && ! [is_remote target]]
47 # Run GDB on the test program up to where it will dump core.
51 gdb_reinitialize_dir $srcdir/$subdir
53 gdb_test_no_output "set print sevenbit-strings"
54 gdb_test_no_output "set width 0"
57 if {[gdb_test "cd $coredir" ".*Working directory .*" \
58 "cd to temporary directory for core dumps"]} {
63 if { ![runto_main] } then {
66 set print_core_line [gdb_get_line_number "ABORT;"]
67 gdb_test "tbreak $print_core_line"
68 gdb_test continue ".*ABORT;.*"
70 proc fetch_auxv {test} {
75 # Former trailing `\[\r\n\]+' may eat just \r leaving \n in the buffer
76 # corrupting the next matches.
77 if {[gdb_test_multiple "info auxv" $test {
81 -ex "The program has no auxiliary information now" {
85 -ex "Auxiliary vector is empty" {
89 -ex "No auxiliary vector found" {
93 -re "^\[0-9\]+\[ \t\]+(AT_\[^ \t\]+)\[^\r\n\]+\r\n" {
94 lappend auxv_lines $expect_out(0,string)
97 -re "^\[0-9\]+\[ \t\]+\\?\\?\\?\[^\r\n\]+\r\n" {
98 warning "Unrecognized tag value: $expect_out(0,string)"
100 lappend auxv_lines $expect_out(0,string)
103 -re "$gdb_prompt $" {
106 -re "^\[^\r\n\]+\r\n" {
108 warning "Unrecognized output: $expect_out(0,string)"
126 set live_data [fetch_auxv "info auxv on live process"]
129 set gcore_works [gdb_gcore_cmd "$gcorefile" "gcore"]
131 # Let the program continue and die.
132 gdb_test continue ".*Program received signal.*"
133 gdb_test continue ".*Program terminated with signal.*"
135 # Now collect the core dump it left.
136 set test "generate native core dump"
139 set names [glob -nocomplain -directory $coredir *core*]
140 if {[llength $names] == 1} {
141 set file [file join $coredir [lindex $names 0]]
142 remote_exec build "mv $file $corefile"
146 warning "can't generate a core file - core tests suppressed - check ulimit -c"
152 remote_exec build "rm -rf $coredir"
154 # Now we can examine the core files and check that their data matches what
155 # we saw in the process. Note that the exact data can vary between runs,
156 # so it's important that the native core dump file and the gcore-created dump
157 # both be from the same run of the program as we examined live.
159 proc do_core_test {works corefile test1 test2} {
164 gdb_test "core $corefile" "Core was generated by.*" \
165 "load core file for $test1" \
166 "A program is being debugged already.*" "y"
167 set core_data [fetch_auxv $test1]
169 if {$core_data == $live_data} {
177 do_core_test $core_works $corefile \
178 "info auxv on native core dump" "matching auxv data from live and core"
180 do_core_test $gcore_works $gcorefile \
181 "info auxv on gcore-created dump" "matching auxv data from live and gcore"