blob: ab51b2c0421b0e9e5914a6c36f7df1a3302497d1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
# Test `info auxv' and related functionality.
# Copyright (C) 1992-2013 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This file is based on corefile.exp which was written by Fred
# Fish. (fnf@cygnus.com)
if { ! [istarget "*-*-linux*"] && ! [istarget "*-*-solaris*"] } {
verbose "Skipping auxv.exp because of lack of support."
return
}
standard_testfile .c
set corefile ${binfile}.corefile
set gcorefile ${binfile}.gcore
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \
{debug additional_flags=-DUSE_RLIMIT}] != ""
&& [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \
{debug}] != "" } {
untested "couldn't compile ${srcdir}/${subdir}/${srcfile}"
return -1
}
# Use a fresh directory to confine the native core dumps.
# Make it the working directory for gdb and its child.
set coredir [standard_output_file coredir.[getpid]]
file mkdir $coredir
set core_works [expr [isnative] && ! [is_remote target]]
# Run GDB on the test program up to where it will dump core.
clean_restart ${binfile}
gdb_test_no_output "set print sevenbit-strings"
gdb_test_no_output "set width 0"
if {$core_works} {
if {[gdb_test "cd $coredir" ".*Working directory .*" \
"cd to temporary directory for core dumps"]} {
set core_works 0
}
}
if { ![runto_main] } then {
gdb_suppress_tests
}
set print_core_line [gdb_get_line_number "ABORT;"]
gdb_test "tbreak $print_core_line"
gdb_test continue ".*ABORT;.*"
proc fetch_auxv {test} {
global gdb_prompt
set auxv_lines {}
set bad -1
# Former trailing `\[\r\n\]+' may eat just \r leaving \n in the buffer
# corrupting the next matches.
if {[gdb_test_multiple "info auxv" $test {
-re "info auxv\r\n" {
exp_continue
}
-ex "The program has no auxiliary information now" {
set bad 1
exp_continue
}
-ex "Auxiliary vector is empty" {
set bad 1
exp_continue
}
-ex "No auxiliary vector found" {
set bad 1
exp_continue
}
-re "^\[0-9\]+\[ \t\]+(AT_\[^ \t\]+)\[^\r\n\]+\r\n" {
lappend auxv_lines $expect_out(0,string)
exp_continue
}
-re "^\[0-9\]+\[ \t\]+\\?\\?\\?\[^\r\n\]+\r\n" {
warning "Unrecognized tag value: $expect_out(0,string)"
set bad 1
lappend auxv_lines $expect_out(0,string)
exp_continue
}
-re "$gdb_prompt $" {
incr bad
}
-re "^\[^\r\n\]+\r\n" {
if {!$bad} {
warning "Unrecognized output: $expect_out(0,string)"
set bad 1
}
exp_continue
}
}] != 0} {
return {}
}
if {$bad} {
fail $test
return {}
}
pass $test
return $auxv_lines
}
set live_data [fetch_auxv "info auxv on live process"]
# Now try gcore.
set gcore_works [gdb_gcore_cmd "$gcorefile" "gcore"]
# Let the program continue and die.
gdb_test continue ".*Program received signal.*"
gdb_test continue ".*Program terminated with signal.*"
# Now collect the core dump it left.
set test "generate native core dump"
if {$core_works} {
# Find the
set names [glob -nocomplain -directory $coredir *core*]
if {[llength $names] == 1} {
set file [file join $coredir [lindex $names 0]]
remote_exec build "mv $file $corefile"
pass $test
} else {
set core_works 0
warning "can't generate a core file - core tests suppressed - check ulimit -c"
unsupported $test
}
} else {
unsupported $test
}
remote_exec build "rm -rf $coredir"
# Now we can examine the core files and check that their data matches what
# we saw in the process. Note that the exact data can vary between runs,
# so it's important that the native core dump file and the gcore-created dump
# both be from the same run of the program as we examined live.
proc do_core_test {works corefile test1 test2} {
if {! $works} {
unsupported $test1
unsupported $test2
} else {
gdb_test "core $corefile" "Core was generated by.*" \
"load core file for $test1" \
"A program is being debugged already.*" "y"
set core_data [fetch_auxv $test1]
global live_data
if {$core_data == $live_data} {
pass $test2
} else {
fail $test2
}
}
}
do_core_test $core_works $corefile \
"info auxv on native core dump" "matching auxv data from live and core"
do_core_test $gcore_works $gcorefile \
"info auxv on gcore-created dump" "matching auxv data from live and gcore"
|
GitWeb