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d65308ae RM |
1 | # Test `info auxv' and related functionality. |
2 | ||
4c38e0a4 JB |
3 | # Copyright |
4 | # 1992,1993,1994,1995,1996,1997,1998,1999,2000,2004,2007,2008,2009,2010 | |
d65308ae RM |
5 | # Free Software Foundation, Inc. |
6 | ||
7 | # This program is free software; you can redistribute it and/or modify | |
8 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 9 | # the Free Software Foundation; either version 3 of the License, or |
d65308ae RM |
10 | # (at your option) any later version. |
11 | # | |
12 | # This program is distributed in the hope that it will be useful, | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | # GNU General Public License for more details. | |
16 | # | |
17 | # You should have received a copy of the GNU General Public License | |
e22f8b7c | 18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
d65308ae | 19 | |
d65308ae RM |
20 | # This file is based on corefile.exp which was written by Fred |
21 | # Fish. (fnf@cygnus.com) | |
22 | ||
0155cc76 NS |
23 | if { ! [istarget "*-*-linux*"] && ! [istarget "*-*-solaris*"] } { |
24 | verbose "Skipping auxv.exp because of lack of support." | |
25 | return | |
26 | } | |
27 | ||
d65308ae RM |
28 | if $tracelevel then { |
29 | strace $tracelevel | |
30 | } | |
31 | ||
d65308ae RM |
32 | |
33 | set testfile "auxv" | |
34 | set srcfile ${testfile}.c | |
35 | set binfile ${objdir}/${subdir}/${testfile} | |
36 | set corefile ${objdir}/${subdir}/${testfile}.corefile | |
37 | set gcorefile ${objdir}/${subdir}/${testfile}.gcore | |
38 | ||
39 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
78df6c56 JB |
40 | untested "couldn't compile ${srcdir}/${subdir}/${srcfile}" |
41 | return -1 | |
d65308ae RM |
42 | } |
43 | ||
44 | # Use a fresh directory to confine the native core dumps. | |
45 | # Make it the working directory for gdb and its child. | |
46 | set coredir "${objdir}/${subdir}/coredir.[getpid]" | |
47 | file mkdir $coredir | |
db9d7fc5 | 48 | set core_works [expr [isnative] && ! [is_remote target]] |
d65308ae RM |
49 | |
50 | # Run GDB on the test program up to where it will dump core. | |
51 | ||
52 | gdb_exit | |
53 | gdb_start | |
54 | gdb_reinitialize_dir $srcdir/$subdir | |
55 | gdb_load ${binfile} | |
56 | gdb_test "set print sevenbit-strings" "" \ | |
57 | "set print sevenbit-strings; ${testfile}" | |
58 | gdb_test "set width 0" "" \ | |
59 | "set width 0; ${testfile}" | |
60 | ||
61 | if {$core_works} { | |
62 | if {[gdb_test "cd $coredir" ".*Working directory .*" \ | |
63 | "cd to temporary directory for core dumps"]} { | |
64 | set core_works 0 | |
65 | } | |
66 | } | |
67 | ||
68 | if { ![runto_main] } then { | |
69 | gdb_suppress_tests; | |
70 | } | |
71 | set print_core_line [gdb_get_line_number "ABORT;"] | |
72 | gdb_test "tbreak $print_core_line" | |
73 | gdb_test continue ".*ABORT;.*" | |
74 | ||
75 | proc fetch_auxv {test} { | |
76 | global gdb_prompt | |
77 | ||
78 | set auxv_lines {} | |
79 | set bad -1 | |
bcd5727b JK |
80 | # Former trailing `\[\r\n\]+' may eat just \r leaving \n in the buffer |
81 | # corrupting the next matches. | |
d65308ae | 82 | if {[gdb_test_multiple "info auxv" $test { |
bcd5727b | 83 | -re "info auxv\r\n" { |
d65308ae RM |
84 | exp_continue |
85 | } | |
c1b5970d | 86 | -ex "The program has no auxiliary information now" { |
d65308ae | 87 | set bad 1 |
f1ed375c | 88 | exp_continue |
d65308ae | 89 | } |
c1b5970d | 90 | -ex "Auxiliary vector is empty" { |
d65308ae | 91 | set bad 1 |
f1ed375c | 92 | exp_continue |
d65308ae | 93 | } |
c1b5970d | 94 | -ex "No auxiliary vector found" { |
d65308ae | 95 | set bad 1 |
f1ed375c | 96 | exp_continue |
d65308ae | 97 | } |
bcd5727b | 98 | -re "^\[0-9\]+\[ \t\]+(AT_\[^ \t\]+)\[^\r\n\]+\r\n" { |
d65308ae RM |
99 | lappend auxv_lines $expect_out(0,string) |
100 | exp_continue | |
101 | } | |
bcd5727b | 102 | -re "^\[0-9\]+\[ \t\]+\\?\\?\\?\[^\r\n\]+\r\n" { |
d65308ae RM |
103 | warning "Unrecognized tag value: $expect_out(0,string)" |
104 | set bad 1 | |
105 | lappend auxv_lines $expect_out(0,string) | |
106 | exp_continue | |
107 | } | |
bcd5727b | 108 | -re "$gdb_prompt $" { |
f1ed375c | 109 | incr bad |
d65308ae | 110 | } |
bcd5727b | 111 | -re "^\[^\r\n\]+\r\n" { |
c1b5970d RM |
112 | if {!$bad} { |
113 | warning "Unrecognized output: $expect_out(0,string)" | |
114 | set bad 1 | |
115 | } | |
116 | exp_continue | |
117 | } | |
d65308ae RM |
118 | }] != 0} { |
119 | return {} | |
120 | } | |
121 | ||
122 | if {$bad} { | |
123 | fail $test | |
124 | return {} | |
125 | } | |
126 | ||
127 | pass $test | |
128 | return $auxv_lines | |
129 | } | |
130 | ||
131 | set live_data [fetch_auxv "info auxv on live process"] | |
132 | ||
133 | # Now try gcore. | |
134 | set gcore_works 0 | |
135 | set escapedfilename [string_to_regexp $gcorefile] | |
136 | gdb_test_multiple "gcore $gcorefile" "gcore" { | |
137 | -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" { | |
138 | pass "gcore" | |
139 | set gcore_works 1 | |
140 | } | |
141 | -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" { | |
142 | unsupported "gcore" | |
143 | } | |
aa32fa1d DJ |
144 | -re "Undefined command: .*\[\r\n\]+$gdb_prompt $" { |
145 | unsupported "gcore" | |
146 | } | |
d65308ae RM |
147 | } |
148 | ||
149 | # Let the program continue and die. | |
150 | gdb_test continue ".*Program received signal.*" | |
151 | gdb_test continue ".*Program terminated with signal.*" | |
152 | ||
153 | # Now collect the core dump it left. | |
154 | set test "generate native core dump" | |
155 | if {$core_works} { | |
156 | # Find the | |
157 | set names [glob -nocomplain -directory $coredir *core*] | |
158 | if {[llength $names] == 1} { | |
159 | set file [file join $coredir [lindex $names 0]] | |
160 | remote_exec build "mv $file $corefile" | |
161 | pass $test | |
162 | } else { | |
163 | set core_works 0 | |
164 | warning "can't generate a core file - core tests suppressed - check ulimit -c" | |
165 | fail $test | |
166 | } | |
167 | } else { | |
168 | unsupported $test | |
169 | } | |
170 | remote_exec build "rm -rf $coredir" | |
171 | ||
172 | # Now we can examine the core files and check that their data matches what | |
173 | # we saw in the process. Note that the exact data can vary between runs, | |
174 | # so it's important that the native core dump file and the gcore-created dump | |
175 | # both be from the same run of the program as we examined live. | |
176 | ||
177 | proc do_core_test {works corefile test1 test2} { | |
178 | if {! $works} { | |
179 | unsupported $test1 | |
180 | unsupported $test2 | |
181 | } else { | |
182 | gdb_test "core $corefile" "Core was generated by.*" \ | |
183 | "load core file for $test1" \ | |
184 | "A program is being debugged already.*" "y" | |
185 | set core_data [fetch_auxv $test1] | |
186 | global live_data | |
187 | if {$core_data == $live_data} { | |
188 | pass $test2 | |
189 | } else { | |
190 | fail $test2 | |
191 | } | |
192 | } | |
193 | } | |
194 | ||
195 | do_core_test $core_works $corefile \ | |
196 | "info auxv on native core dump" "matching auxv data from live and core" | |
197 | ||
198 | do_core_test $gcore_works $gcorefile \ | |
199 | "info auxv on gcore-created dump" "matching auxv data from live and gcore" |