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d65308ae RM |
1 | # Test `info auxv' and related functionality. |
2 | ||
28e7fd62 | 3 | # Copyright (C) 1992-2013 Free Software Foundation, Inc. |
d65308ae RM |
4 | |
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 | |
e22f8b7c | 7 | # the Free Software Foundation; either version 3 of the License, or |
d65308ae RM |
8 | # (at your option) any later version. |
9 | # | |
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. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
e22f8b7c | 16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
d65308ae | 17 | |
d65308ae RM |
18 | # This file is based on corefile.exp which was written by Fred |
19 | # Fish. (fnf@cygnus.com) | |
20 | ||
0155cc76 NS |
21 | if { ! [istarget "*-*-linux*"] && ! [istarget "*-*-solaris*"] } { |
22 | verbose "Skipping auxv.exp because of lack of support." | |
23 | return | |
24 | } | |
25 | ||
d65308ae RM |
26 | |
27 | set testfile "auxv" | |
28 | set srcfile ${testfile}.c | |
29 | set binfile ${objdir}/${subdir}/${testfile} | |
30 | set corefile ${objdir}/${subdir}/${testfile}.corefile | |
31 | set gcorefile ${objdir}/${subdir}/${testfile}.gcore | |
32 | ||
2e98ca53 JK |
33 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \ |
34 | {debug additional_flags=-DUSE_RLIMIT}] != "" | |
35 | && [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \ | |
36 | {debug}] != "" } { | |
78df6c56 JB |
37 | untested "couldn't compile ${srcdir}/${subdir}/${srcfile}" |
38 | return -1 | |
d65308ae RM |
39 | } |
40 | ||
41 | # Use a fresh directory to confine the native core dumps. | |
42 | # Make it the working directory for gdb and its child. | |
43 | set coredir "${objdir}/${subdir}/coredir.[getpid]" | |
44 | file mkdir $coredir | |
db9d7fc5 | 45 | set core_works [expr [isnative] && ! [is_remote target]] |
d65308ae RM |
46 | |
47 | # Run GDB on the test program up to where it will dump core. | |
48 | ||
49 | gdb_exit | |
50 | gdb_start | |
51 | gdb_reinitialize_dir $srcdir/$subdir | |
52 | gdb_load ${binfile} | |
27d3a1a2 MS |
53 | gdb_test_no_output "set print sevenbit-strings" |
54 | gdb_test_no_output "set width 0" | |
d65308ae RM |
55 | |
56 | if {$core_works} { | |
57 | if {[gdb_test "cd $coredir" ".*Working directory .*" \ | |
58 | "cd to temporary directory for core dumps"]} { | |
59 | set core_works 0 | |
60 | } | |
61 | } | |
62 | ||
63 | if { ![runto_main] } then { | |
64 | gdb_suppress_tests; | |
65 | } | |
66 | set print_core_line [gdb_get_line_number "ABORT;"] | |
67 | gdb_test "tbreak $print_core_line" | |
68 | gdb_test continue ".*ABORT;.*" | |
69 | ||
70 | proc fetch_auxv {test} { | |
71 | global gdb_prompt | |
72 | ||
73 | set auxv_lines {} | |
74 | set bad -1 | |
bcd5727b JK |
75 | # Former trailing `\[\r\n\]+' may eat just \r leaving \n in the buffer |
76 | # corrupting the next matches. | |
d65308ae | 77 | if {[gdb_test_multiple "info auxv" $test { |
bcd5727b | 78 | -re "info auxv\r\n" { |
d65308ae RM |
79 | exp_continue |
80 | } | |
c1b5970d | 81 | -ex "The program has no auxiliary information now" { |
d65308ae | 82 | set bad 1 |
f1ed375c | 83 | exp_continue |
d65308ae | 84 | } |
c1b5970d | 85 | -ex "Auxiliary vector is empty" { |
d65308ae | 86 | set bad 1 |
f1ed375c | 87 | exp_continue |
d65308ae | 88 | } |
c1b5970d | 89 | -ex "No auxiliary vector found" { |
d65308ae | 90 | set bad 1 |
f1ed375c | 91 | exp_continue |
d65308ae | 92 | } |
bcd5727b | 93 | -re "^\[0-9\]+\[ \t\]+(AT_\[^ \t\]+)\[^\r\n\]+\r\n" { |
d65308ae RM |
94 | lappend auxv_lines $expect_out(0,string) |
95 | exp_continue | |
96 | } | |
bcd5727b | 97 | -re "^\[0-9\]+\[ \t\]+\\?\\?\\?\[^\r\n\]+\r\n" { |
d65308ae RM |
98 | warning "Unrecognized tag value: $expect_out(0,string)" |
99 | set bad 1 | |
100 | lappend auxv_lines $expect_out(0,string) | |
101 | exp_continue | |
102 | } | |
bcd5727b | 103 | -re "$gdb_prompt $" { |
f1ed375c | 104 | incr bad |
d65308ae | 105 | } |
bcd5727b | 106 | -re "^\[^\r\n\]+\r\n" { |
c1b5970d RM |
107 | if {!$bad} { |
108 | warning "Unrecognized output: $expect_out(0,string)" | |
109 | set bad 1 | |
110 | } | |
111 | exp_continue | |
112 | } | |
d65308ae RM |
113 | }] != 0} { |
114 | return {} | |
115 | } | |
116 | ||
117 | if {$bad} { | |
118 | fail $test | |
119 | return {} | |
120 | } | |
121 | ||
122 | pass $test | |
123 | return $auxv_lines | |
124 | } | |
125 | ||
126 | set live_data [fetch_auxv "info auxv on live process"] | |
127 | ||
128 | # Now try gcore. | |
2d338fa9 | 129 | set gcore_works [gdb_gcore_cmd "$gcorefile" "gcore"] |
d65308ae RM |
130 | |
131 | # Let the program continue and die. | |
132 | gdb_test continue ".*Program received signal.*" | |
133 | gdb_test continue ".*Program terminated with signal.*" | |
134 | ||
135 | # Now collect the core dump it left. | |
136 | set test "generate native core dump" | |
137 | if {$core_works} { | |
138 | # Find the | |
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" | |
143 | pass $test | |
144 | } else { | |
145 | set core_works 0 | |
146 | warning "can't generate a core file - core tests suppressed - check ulimit -c" | |
2e98ca53 | 147 | unsupported $test |
d65308ae RM |
148 | } |
149 | } else { | |
150 | unsupported $test | |
151 | } | |
152 | remote_exec build "rm -rf $coredir" | |
153 | ||
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. | |
158 | ||
159 | proc do_core_test {works corefile test1 test2} { | |
160 | if {! $works} { | |
161 | unsupported $test1 | |
162 | unsupported $test2 | |
163 | } else { | |
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 $test1] | |
168 | global live_data | |
169 | if {$core_data == $live_data} { | |
170 | pass $test2 | |
171 | } else { | |
172 | fail $test2 | |
173 | } | |
174 | } | |
175 | } | |
176 | ||
177 | do_core_test $core_works $corefile \ | |
178 | "info auxv on native core dump" "matching auxv data from live and core" | |
179 | ||
180 | do_core_test $gcore_works $gcorefile \ | |
181 | "info auxv on gcore-created dump" "matching auxv data from live and gcore" |