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d65308ae RM |
1 | # Test `info auxv' and related functionality. |
2 | ||
9b254dd1 | 3 | # Copyright 1992,1993,1994,1995,1996,1997,1998,1999,2000,2004,2007,2008 |
d65308ae RM |
4 | # Free Software Foundation, Inc. |
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 RM |
18 | |
19 | # Please email any bugs, comments, and/or additions to this file to: | |
20 | # bug-gdb@prep.ai.mit.edu | |
21 | ||
22 | # This file is based on corefile.exp which was written by Fred | |
23 | # Fish. (fnf@cygnus.com) | |
24 | ||
0155cc76 NS |
25 | if { ! [istarget "*-*-linux*"] && ! [istarget "*-*-solaris*"] } { |
26 | verbose "Skipping auxv.exp because of lack of support." | |
27 | return | |
28 | } | |
29 | ||
d65308ae RM |
30 | if $tracelevel then { |
31 | strace $tracelevel | |
32 | } | |
33 | ||
34 | set prms_id 0 | |
35 | set bug_id 0 | |
36 | ||
37 | set testfile "auxv" | |
38 | set srcfile ${testfile}.c | |
39 | set binfile ${objdir}/${subdir}/${testfile} | |
40 | set corefile ${objdir}/${subdir}/${testfile}.corefile | |
41 | set gcorefile ${objdir}/${subdir}/${testfile}.gcore | |
42 | ||
43 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
78df6c56 JB |
44 | untested "couldn't compile ${srcdir}/${subdir}/${srcfile}" |
45 | return -1 | |
d65308ae RM |
46 | } |
47 | ||
48 | # Use a fresh directory to confine the native core dumps. | |
49 | # Make it the working directory for gdb and its child. | |
50 | set coredir "${objdir}/${subdir}/coredir.[getpid]" | |
51 | file mkdir $coredir | |
db9d7fc5 | 52 | set core_works [expr [isnative] && ! [is_remote target]] |
d65308ae RM |
53 | |
54 | # Run GDB on the test program up to where it will dump core. | |
55 | ||
56 | gdb_exit | |
57 | gdb_start | |
58 | gdb_reinitialize_dir $srcdir/$subdir | |
59 | gdb_load ${binfile} | |
60 | gdb_test "set print sevenbit-strings" "" \ | |
61 | "set print sevenbit-strings; ${testfile}" | |
62 | gdb_test "set width 0" "" \ | |
63 | "set width 0; ${testfile}" | |
64 | ||
65 | if {$core_works} { | |
66 | if {[gdb_test "cd $coredir" ".*Working directory .*" \ | |
67 | "cd to temporary directory for core dumps"]} { | |
68 | set core_works 0 | |
69 | } | |
70 | } | |
71 | ||
72 | if { ![runto_main] } then { | |
73 | gdb_suppress_tests; | |
74 | } | |
75 | set print_core_line [gdb_get_line_number "ABORT;"] | |
76 | gdb_test "tbreak $print_core_line" | |
77 | gdb_test continue ".*ABORT;.*" | |
78 | ||
79 | proc fetch_auxv {test} { | |
80 | global gdb_prompt | |
81 | ||
82 | set auxv_lines {} | |
83 | set bad -1 | |
84 | if {[gdb_test_multiple "info auxv" $test { | |
85 | -re "info auxv\[\r\n\]+" { | |
86 | exp_continue | |
87 | } | |
c1b5970d | 88 | -ex "The program has no auxiliary information now" { |
d65308ae | 89 | set bad 1 |
f1ed375c | 90 | exp_continue |
d65308ae | 91 | } |
c1b5970d | 92 | -ex "Auxiliary vector is empty" { |
d65308ae | 93 | set bad 1 |
f1ed375c | 94 | exp_continue |
d65308ae | 95 | } |
c1b5970d | 96 | -ex "No auxiliary vector found" { |
d65308ae | 97 | set bad 1 |
f1ed375c | 98 | exp_continue |
d65308ae RM |
99 | } |
100 | -re "^\[0-9\]+\[ \t\]+(AT_\[^ \t\]+)\[^\r\n\]+\[\r\n\]+" { | |
101 | lappend auxv_lines $expect_out(0,string) | |
102 | exp_continue | |
103 | } | |
104 | -re "^\[0-9\]+\[ \t\]+\\?\\?\\?\[^\r\n\]+\[\r\n\]+" { | |
105 | warning "Unrecognized tag value: $expect_out(0,string)" | |
106 | set bad 1 | |
107 | lappend auxv_lines $expect_out(0,string) | |
108 | exp_continue | |
109 | } | |
f1ed375c RM |
110 | -re ".*$gdb_prompt $" { |
111 | incr bad | |
d65308ae | 112 | } |
c1b5970d RM |
113 | -re "^\[^\r\n\]+\[\r\n\]+" { |
114 | if {!$bad} { | |
115 | warning "Unrecognized output: $expect_out(0,string)" | |
116 | set bad 1 | |
117 | } | |
118 | exp_continue | |
119 | } | |
d65308ae RM |
120 | }] != 0} { |
121 | return {} | |
122 | } | |
123 | ||
124 | if {$bad} { | |
125 | fail $test | |
126 | return {} | |
127 | } | |
128 | ||
129 | pass $test | |
130 | return $auxv_lines | |
131 | } | |
132 | ||
133 | set live_data [fetch_auxv "info auxv on live process"] | |
134 | ||
135 | # Now try gcore. | |
136 | set gcore_works 0 | |
137 | set escapedfilename [string_to_regexp $gcorefile] | |
138 | gdb_test_multiple "gcore $gcorefile" "gcore" { | |
139 | -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" { | |
140 | pass "gcore" | |
141 | set gcore_works 1 | |
142 | } | |
143 | -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" { | |
144 | unsupported "gcore" | |
145 | } | |
aa32fa1d DJ |
146 | -re "Undefined command: .*\[\r\n\]+$gdb_prompt $" { |
147 | unsupported "gcore" | |
148 | } | |
d65308ae RM |
149 | } |
150 | ||
151 | # Let the program continue and die. | |
152 | gdb_test continue ".*Program received signal.*" | |
153 | gdb_test continue ".*Program terminated with signal.*" | |
154 | ||
155 | # Now collect the core dump it left. | |
156 | set test "generate native core dump" | |
157 | if {$core_works} { | |
158 | # Find the | |
159 | set names [glob -nocomplain -directory $coredir *core*] | |
160 | if {[llength $names] == 1} { | |
161 | set file [file join $coredir [lindex $names 0]] | |
162 | remote_exec build "mv $file $corefile" | |
163 | pass $test | |
164 | } else { | |
165 | set core_works 0 | |
166 | warning "can't generate a core file - core tests suppressed - check ulimit -c" | |
167 | fail $test | |
168 | } | |
169 | } else { | |
170 | unsupported $test | |
171 | } | |
172 | remote_exec build "rm -rf $coredir" | |
173 | ||
174 | # Now we can examine the core files and check that their data matches what | |
175 | # we saw in the process. Note that the exact data can vary between runs, | |
176 | # so it's important that the native core dump file and the gcore-created dump | |
177 | # both be from the same run of the program as we examined live. | |
178 | ||
179 | proc do_core_test {works corefile test1 test2} { | |
180 | if {! $works} { | |
181 | unsupported $test1 | |
182 | unsupported $test2 | |
183 | } else { | |
184 | gdb_test "core $corefile" "Core was generated by.*" \ | |
185 | "load core file for $test1" \ | |
186 | "A program is being debugged already.*" "y" | |
187 | set core_data [fetch_auxv $test1] | |
188 | global live_data | |
189 | if {$core_data == $live_data} { | |
190 | pass $test2 | |
191 | } else { | |
192 | fail $test2 | |
193 | } | |
194 | } | |
195 | } | |
196 | ||
197 | do_core_test $core_works $corefile \ | |
198 | "info auxv on native core dump" "matching auxv data from live and core" | |
199 | ||
200 | do_core_test $gcore_works $gcorefile \ | |
201 | "info auxv on gcore-created dump" "matching auxv data from live and gcore" |