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d65308ae RM |
1 | # Test `info auxv' and related functionality. |
2 | ||
0b302171 JB |
3 | # Copyright (C) 1992-2000, 2004, 2007-2010, 2012 Free Software |
4 | # Foundation, Inc. | |
d65308ae RM |
5 | |
6 | # This program is free software; you can redistribute it and/or modify | |
7 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 8 | # the Free Software Foundation; either version 3 of the License, or |
d65308ae RM |
9 | # (at your option) any later version. |
10 | # | |
11 | # This program is distributed in the hope that it will be useful, | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | # GNU General Public License for more details. | |
15 | # | |
16 | # You should have received a copy of the GNU General Public License | |
e22f8b7c | 17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
d65308ae | 18 | |
d65308ae RM |
19 | # This file is based on corefile.exp which was written by Fred |
20 | # Fish. (fnf@cygnus.com) | |
21 | ||
0155cc76 NS |
22 | if { ! [istarget "*-*-linux*"] && ! [istarget "*-*-solaris*"] } { |
23 | verbose "Skipping auxv.exp because of lack of support." | |
24 | return | |
25 | } | |
26 | ||
d65308ae RM |
27 | |
28 | set testfile "auxv" | |
29 | set srcfile ${testfile}.c | |
30 | set binfile ${objdir}/${subdir}/${testfile} | |
31 | set corefile ${objdir}/${subdir}/${testfile}.corefile | |
32 | set gcorefile ${objdir}/${subdir}/${testfile}.gcore | |
33 | ||
2e98ca53 JK |
34 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \ |
35 | {debug additional_flags=-DUSE_RLIMIT}] != "" | |
36 | && [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \ | |
37 | {debug}] != "" } { | |
78df6c56 JB |
38 | untested "couldn't compile ${srcdir}/${subdir}/${srcfile}" |
39 | return -1 | |
d65308ae RM |
40 | } |
41 | ||
42 | # Use a fresh directory to confine the native core dumps. | |
43 | # Make it the working directory for gdb and its child. | |
44 | set coredir "${objdir}/${subdir}/coredir.[getpid]" | |
45 | file mkdir $coredir | |
db9d7fc5 | 46 | set core_works [expr [isnative] && ! [is_remote target]] |
d65308ae RM |
47 | |
48 | # Run GDB on the test program up to where it will dump core. | |
49 | ||
50 | gdb_exit | |
51 | gdb_start | |
52 | gdb_reinitialize_dir $srcdir/$subdir | |
53 | gdb_load ${binfile} | |
27d3a1a2 MS |
54 | gdb_test_no_output "set print sevenbit-strings" |
55 | gdb_test_no_output "set width 0" | |
d65308ae RM |
56 | |
57 | if {$core_works} { | |
58 | if {[gdb_test "cd $coredir" ".*Working directory .*" \ | |
59 | "cd to temporary directory for core dumps"]} { | |
60 | set core_works 0 | |
61 | } | |
62 | } | |
63 | ||
64 | if { ![runto_main] } then { | |
65 | gdb_suppress_tests; | |
66 | } | |
67 | set print_core_line [gdb_get_line_number "ABORT;"] | |
68 | gdb_test "tbreak $print_core_line" | |
69 | gdb_test continue ".*ABORT;.*" | |
70 | ||
71 | proc fetch_auxv {test} { | |
72 | global gdb_prompt | |
73 | ||
74 | set auxv_lines {} | |
75 | set bad -1 | |
bcd5727b JK |
76 | # Former trailing `\[\r\n\]+' may eat just \r leaving \n in the buffer |
77 | # corrupting the next matches. | |
d65308ae | 78 | if {[gdb_test_multiple "info auxv" $test { |
bcd5727b | 79 | -re "info auxv\r\n" { |
d65308ae RM |
80 | exp_continue |
81 | } | |
c1b5970d | 82 | -ex "The program has no auxiliary information now" { |
d65308ae | 83 | set bad 1 |
f1ed375c | 84 | exp_continue |
d65308ae | 85 | } |
c1b5970d | 86 | -ex "Auxiliary vector is empty" { |
d65308ae | 87 | set bad 1 |
f1ed375c | 88 | exp_continue |
d65308ae | 89 | } |
c1b5970d | 90 | -ex "No auxiliary vector found" { |
d65308ae | 91 | set bad 1 |
f1ed375c | 92 | exp_continue |
d65308ae | 93 | } |
bcd5727b | 94 | -re "^\[0-9\]+\[ \t\]+(AT_\[^ \t\]+)\[^\r\n\]+\r\n" { |
d65308ae RM |
95 | lappend auxv_lines $expect_out(0,string) |
96 | exp_continue | |
97 | } | |
bcd5727b | 98 | -re "^\[0-9\]+\[ \t\]+\\?\\?\\?\[^\r\n\]+\r\n" { |
d65308ae RM |
99 | warning "Unrecognized tag value: $expect_out(0,string)" |
100 | set bad 1 | |
101 | lappend auxv_lines $expect_out(0,string) | |
102 | exp_continue | |
103 | } | |
bcd5727b | 104 | -re "$gdb_prompt $" { |
f1ed375c | 105 | incr bad |
d65308ae | 106 | } |
bcd5727b | 107 | -re "^\[^\r\n\]+\r\n" { |
c1b5970d RM |
108 | if {!$bad} { |
109 | warning "Unrecognized output: $expect_out(0,string)" | |
110 | set bad 1 | |
111 | } | |
112 | exp_continue | |
113 | } | |
d65308ae RM |
114 | }] != 0} { |
115 | return {} | |
116 | } | |
117 | ||
118 | if {$bad} { | |
119 | fail $test | |
120 | return {} | |
121 | } | |
122 | ||
123 | pass $test | |
124 | return $auxv_lines | |
125 | } | |
126 | ||
127 | set live_data [fetch_auxv "info auxv on live process"] | |
128 | ||
129 | # Now try gcore. | |
130 | set gcore_works 0 | |
131 | set escapedfilename [string_to_regexp $gcorefile] | |
132 | gdb_test_multiple "gcore $gcorefile" "gcore" { | |
133 | -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" { | |
134 | pass "gcore" | |
135 | set gcore_works 1 | |
136 | } | |
137 | -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" { | |
138 | unsupported "gcore" | |
139 | } | |
aa32fa1d DJ |
140 | -re "Undefined command: .*\[\r\n\]+$gdb_prompt $" { |
141 | unsupported "gcore" | |
142 | } | |
d65308ae RM |
143 | } |
144 | ||
145 | # Let the program continue and die. | |
146 | gdb_test continue ".*Program received signal.*" | |
147 | gdb_test continue ".*Program terminated with signal.*" | |
148 | ||
149 | # Now collect the core dump it left. | |
150 | set test "generate native core dump" | |
151 | if {$core_works} { | |
152 | # Find the | |
153 | set names [glob -nocomplain -directory $coredir *core*] | |
154 | if {[llength $names] == 1} { | |
155 | set file [file join $coredir [lindex $names 0]] | |
156 | remote_exec build "mv $file $corefile" | |
157 | pass $test | |
158 | } else { | |
159 | set core_works 0 | |
160 | warning "can't generate a core file - core tests suppressed - check ulimit -c" | |
2e98ca53 | 161 | unsupported $test |
d65308ae RM |
162 | } |
163 | } else { | |
164 | unsupported $test | |
165 | } | |
166 | remote_exec build "rm -rf $coredir" | |
167 | ||
168 | # Now we can examine the core files and check that their data matches what | |
169 | # we saw in the process. Note that the exact data can vary between runs, | |
170 | # so it's important that the native core dump file and the gcore-created dump | |
171 | # both be from the same run of the program as we examined live. | |
172 | ||
173 | proc do_core_test {works corefile test1 test2} { | |
174 | if {! $works} { | |
175 | unsupported $test1 | |
176 | unsupported $test2 | |
177 | } else { | |
178 | gdb_test "core $corefile" "Core was generated by.*" \ | |
179 | "load core file for $test1" \ | |
180 | "A program is being debugged already.*" "y" | |
181 | set core_data [fetch_auxv $test1] | |
182 | global live_data | |
183 | if {$core_data == $live_data} { | |
184 | pass $test2 | |
185 | } else { | |
186 | fail $test2 | |
187 | } | |
188 | } | |
189 | } | |
190 | ||
191 | do_core_test $core_works $corefile \ | |
192 | "info auxv on native core dump" "matching auxv data from live and core" | |
193 | ||
194 | do_core_test $gcore_works $gcorefile \ | |
195 | "info auxv on gcore-created dump" "matching auxv data from live and gcore" |