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d65308ae RM |
1 | # Test `info auxv' and related functionality. |
2 | ||
3 | # Copyright 1992,1993,1994,1995,1996,1997,1998,1999,2000,2004 | |
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 | |
8 | # the Free Software Foundation; either version 2 of the License, or | |
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 | |
17 | # along with this program; if not, write to the Free Software | |
18 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | ||
20 | # Please email any bugs, comments, and/or additions to this file to: | |
21 | # bug-gdb@prep.ai.mit.edu | |
22 | ||
23 | # This file is based on corefile.exp which was written by Fred | |
24 | # Fish. (fnf@cygnus.com) | |
25 | ||
26 | if $tracelevel then { | |
27 | strace $tracelevel | |
28 | } | |
29 | ||
30 | set prms_id 0 | |
31 | set bug_id 0 | |
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}" "${binfile}" executable {debug}] != "" } { | |
40 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." | |
41 | } | |
42 | ||
43 | # Use a fresh directory to confine the native core dumps. | |
44 | # Make it the working directory for gdb and its child. | |
45 | set coredir "${objdir}/${subdir}/coredir.[getpid]" | |
46 | file mkdir $coredir | |
47 | set core_works [isnative] | |
48 | ||
49 | # Run GDB on the test program up to where it will dump core. | |
50 | ||
51 | gdb_exit | |
52 | gdb_start | |
53 | gdb_reinitialize_dir $srcdir/$subdir | |
54 | gdb_load ${binfile} | |
55 | gdb_test "set print sevenbit-strings" "" \ | |
56 | "set print sevenbit-strings; ${testfile}" | |
57 | gdb_test "set width 0" "" \ | |
58 | "set width 0; ${testfile}" | |
59 | ||
60 | if {$core_works} { | |
61 | if {[gdb_test "cd $coredir" ".*Working directory .*" \ | |
62 | "cd to temporary directory for core dumps"]} { | |
63 | set core_works 0 | |
64 | } | |
65 | } | |
66 | ||
67 | if { ![runto_main] } then { | |
68 | gdb_suppress_tests; | |
69 | } | |
70 | set print_core_line [gdb_get_line_number "ABORT;"] | |
71 | gdb_test "tbreak $print_core_line" | |
72 | gdb_test continue ".*ABORT;.*" | |
73 | ||
74 | proc fetch_auxv {test} { | |
75 | global gdb_prompt | |
76 | ||
77 | set auxv_lines {} | |
78 | set bad -1 | |
79 | if {[gdb_test_multiple "info auxv" $test { | |
80 | -re "info auxv\[\r\n\]+" { | |
81 | exp_continue | |
82 | } | |
c1b5970d | 83 | -ex "The program has no auxiliary information now" { |
d65308ae | 84 | set bad 1 |
f1ed375c | 85 | exp_continue |
d65308ae | 86 | } |
c1b5970d | 87 | -ex "Auxiliary vector is empty" { |
d65308ae | 88 | set bad 1 |
f1ed375c | 89 | exp_continue |
d65308ae | 90 | } |
c1b5970d | 91 | -ex "No auxiliary vector found" { |
d65308ae | 92 | set bad 1 |
f1ed375c | 93 | exp_continue |
d65308ae RM |
94 | } |
95 | -re "^\[0-9\]+\[ \t\]+(AT_\[^ \t\]+)\[^\r\n\]+\[\r\n\]+" { | |
96 | lappend auxv_lines $expect_out(0,string) | |
97 | exp_continue | |
98 | } | |
99 | -re "^\[0-9\]+\[ \t\]+\\?\\?\\?\[^\r\n\]+\[\r\n\]+" { | |
100 | warning "Unrecognized tag value: $expect_out(0,string)" | |
101 | set bad 1 | |
102 | lappend auxv_lines $expect_out(0,string) | |
103 | exp_continue | |
104 | } | |
f1ed375c RM |
105 | -re ".*$gdb_prompt $" { |
106 | incr bad | |
d65308ae | 107 | } |
c1b5970d RM |
108 | -re "^\[^\r\n\]+\[\r\n\]+" { |
109 | if {!$bad} { | |
110 | warning "Unrecognized output: $expect_out(0,string)" | |
111 | set bad 1 | |
112 | } | |
113 | exp_continue | |
114 | } | |
d65308ae RM |
115 | }] != 0} { |
116 | return {} | |
117 | } | |
118 | ||
119 | if {$bad} { | |
120 | fail $test | |
121 | return {} | |
122 | } | |
123 | ||
124 | pass $test | |
125 | return $auxv_lines | |
126 | } | |
127 | ||
128 | set live_data [fetch_auxv "info auxv on live process"] | |
129 | ||
130 | # Now try gcore. | |
131 | set gcore_works 0 | |
132 | set escapedfilename [string_to_regexp $gcorefile] | |
133 | gdb_test_multiple "gcore $gcorefile" "gcore" { | |
134 | -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" { | |
135 | pass "gcore" | |
136 | set gcore_works 1 | |
137 | } | |
138 | -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" { | |
139 | unsupported "gcore" | |
140 | } | |
141 | } | |
142 | ||
143 | # Let the program continue and die. | |
144 | gdb_test continue ".*Program received signal.*" | |
145 | gdb_test continue ".*Program terminated with signal.*" | |
146 | ||
147 | # Now collect the core dump it left. | |
148 | set test "generate native core dump" | |
149 | if {$core_works} { | |
150 | # Find the | |
151 | set names [glob -nocomplain -directory $coredir *core*] | |
152 | if {[llength $names] == 1} { | |
153 | set file [file join $coredir [lindex $names 0]] | |
154 | remote_exec build "mv $file $corefile" | |
155 | pass $test | |
156 | } else { | |
157 | set core_works 0 | |
158 | warning "can't generate a core file - core tests suppressed - check ulimit -c" | |
159 | fail $test | |
160 | } | |
161 | } else { | |
162 | unsupported $test | |
163 | } | |
164 | remote_exec build "rm -rf $coredir" | |
165 | ||
166 | # Now we can examine the core files and check that their data matches what | |
167 | # we saw in the process. Note that the exact data can vary between runs, | |
168 | # so it's important that the native core dump file and the gcore-created dump | |
169 | # both be from the same run of the program as we examined live. | |
170 | ||
171 | proc do_core_test {works corefile test1 test2} { | |
172 | if {! $works} { | |
173 | unsupported $test1 | |
174 | unsupported $test2 | |
175 | } else { | |
176 | gdb_test "core $corefile" "Core was generated by.*" \ | |
177 | "load core file for $test1" \ | |
178 | "A program is being debugged already.*" "y" | |
179 | set core_data [fetch_auxv $test1] | |
180 | global live_data | |
181 | if {$core_data == $live_data} { | |
182 | pass $test2 | |
183 | } else { | |
184 | fail $test2 | |
185 | } | |
186 | } | |
187 | } | |
188 | ||
189 | do_core_test $core_works $corefile \ | |
190 | "info auxv on native core dump" "matching auxv data from live and core" | |
191 | ||
192 | do_core_test $gcore_works $gcorefile \ | |
193 | "info auxv on gcore-created dump" "matching auxv data from live and gcore" |