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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2007
# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
# This file was written by Fred Fish. (fnf@cygnus.com)
if $tracelevel then {
strace $tracelevel
}
set prms_id 0
set bug_id 0
# are we on a target board
if ![isnative] then {
return
}
set testfile "coremaker"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
untested corefile.exp
return -1
}
# Create and source the file that provides information about the compiler
# used to compile the test case.
if [get_compiler_info ${binfile}] {
return -1;
}
# Create a core file named "corefile" rather than just "core", to
# avoid problems with sys admin types that like to regularly prune all
# files named "core" from the system.
#
# Arbitrarily try setting the core size limit to "unlimited" since
# this does not hurt on systems where the command does not work and
# allows us to generate a core on systems where it does.
#
# Some systems append "core" to the name of the program; others append
# the name of the program to "core"; still others (like Linux, as of
# May 2003) create cores named "core.PID". In the latter case, we
# could have many core files lying around, and it may be difficult to
# tell which one is ours, so let's run the program in a subdirectory.
set found 0
set coredir "${objdir}/${subdir}/coredir.[getpid]"
file mkdir $coredir
catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile}; true) >/dev/null 2>&1\""
# remote_exec host "${binfile}"
foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" {
if [remote_file build exists $i] {
remote_exec build "mv $i ${objdir}/${subdir}/corefile"
set found 1
}
}
# Check for "core.PID".
if { $found == 0 } {
set names [glob -nocomplain -directory $coredir core.*]
if {[llength $names] == 1} {
set corefile [file join $coredir [lindex $names 0]]
remote_exec build "mv $corefile ${objdir}/${subdir}/corefile"
set found 1
}
}
if { $found == 0 } {
# The braindamaged HPUX shell quits after the ulimit -c above
# without executing ${binfile}. So we try again without the
# ulimit here if we didn't find a core file above.
# Oh, I should mention that any "braindamaged" non-Unix system has
# the same problem. I like the cd bit too, it's really neat'n stuff.
catch "system \"(cd ${objdir}/${subdir}; ${binfile}; true) >/dev/null 2>&1\""
foreach i "${objdir}/${subdir}/core ${objdir}/${subdir}/core.coremaker.c ${binfile}.core" {
if [remote_file build exists $i] {
remote_exec build "mv $i ${objdir}/${subdir}/corefile"
set found 1
}
}
}
# Try to clean up after ourselves.
remote_file build delete [file join $coredir coremmap.data]
remote_exec build "rmdir $coredir"
if { $found == 0 } {
warning "can't generate a core file - core tests suppressed - check ulimit -c"
return 0
}
#
# Test that we can simply startup with a "-core=corefile" command line arg
# and recognize that the core file is a valid, usable core file.
# To do this, we must shutdown the currently running gdb and restart
# with the -core args. We can't use gdb_start because it looks for
# the first gdb prompt, and the message we are looking for occurs
# before the first prompt. Also, we can't include GDBFLAGS because
# if it is empty, this confuses gdb with an empty argument that it
# grumbles about (said grumbling currently being ignored in gdb_start).
# **FIXME**
#
# Another problem is that on some systems (solaris for example), there
# is apparently a limit on the length of a fully specified path to
# the coremaker executable, at about 80 chars. For this case, consider
# it a pass, but note that the program name is bad.
gdb_exit
if $verbose>1 then {
send_user "Spawning $GDB -nw $GDBFLAGS -core=$objdir/$subdir/corefile\n"
}
set oldtimeout $timeout
set timeout [expr "$timeout + 60"]
verbose "Timeout is now $timeout seconds" 2
eval "spawn $GDB -nw $GDBFLAGS -core=$objdir/$subdir/corefile"
expect {
-re "Couldn't find .* registers in core file.*$gdb_prompt $" {
fail "args: -core=corefile (couldn't find regs)"
}
-re "Core was generated by .*coremaker.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
pass "args: -core=corefile"
}
-re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
pass "args: -core=corefile (with bad program name)"
}
-re ".*registers from core file: File in wrong format.* $" {
fail "args: -core=corefile (could not read registers from core file)"
}
-re ".*$gdb_prompt $" { fail "args: -core=corefile" }
timeout { fail "(timeout) starting with -core" }
}
#
# Test that startup with both an executable file and -core argument.
# See previous comments above, they are still applicable.
#
close;
if $verbose>1 then {
send_user "Spawning $GDB -nw $GDBFLAGS $binfile -core=$objdir/$subdir/corefile\n"
}
eval "spawn $GDB -nw $GDBFLAGS $binfile -core=$objdir/$subdir/corefile";
expect {
-re "Core was generated by .*coremaker.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
pass "args: execfile -core=corefile"
}
-re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
pass "args: execfile -core=corefile (with bad program name)"
}
-re ".*registers from core file: File in wrong format.* $" {
fail "args: execfile -core=corefile (could not read registers from core file)"
}
-re ".*$gdb_prompt $" { fail "args: execfile -core=corefile" }
timeout { fail "(timeout) starting with -core" }
}
set timeout $oldtimeout
verbose "Timeout is now $timeout seconds" 2
close;
# Now restart normally.
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
# Test basic corefile recognition via core-file command.
send_gdb "core-file $objdir/$subdir/corefile\n"
gdb_expect {
-re ".* program is being debugged already.*y or n. $" {
# gdb_load may connect us to a gdbserver.
send_gdb "y\n"
exp_continue;
}
-re "Core was generated by .*coremaker.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
pass "core-file command"
}
-re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
pass "core-file command (with bad program name)"
}
-re ".*registers from core file: File in wrong format.* $" {
fail "core-file command (could not read registers from core file)"
}
-re ".*$gdb_prompt $" { fail "core-file command" }
timeout { fail "(timeout) core-file command" }
}
# Test correct mapping of corefile sections by printing some variables.
gdb_test "print coremaker_data" "\\\$$decimal = 202"
gdb_test "print coremaker_bss" "\\\$$decimal = 10"
gdb_test "print coremaker_ro" "\\\$$decimal = 201"
gdb_test "print func2::coremaker_local" "\\\$$decimal = \\{0, 1, 2, 3, 4\\}"
# Somehow we better test the ability to read the registers out of the core
# file correctly. I don't think the other tests do this.
gdb_test "bt" "abort.*func2.*func1.*main.*" "backtrace in corefile.exp"
gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp"
# Test ability to read mmap'd data
gdb_test "x/8bd buf1" ".*:.*0.*1.*2.*3.*4.*5.*6.*7" "accessing original mmap data in core file"
setup_xfail "*-*-sunos*" "*-*-ultrix*" "*-*-aix*"
set test "accessing mmapped data in core file"
gdb_test_multiple "x/8bd buf2" "$test" {
-re ".*:.*0.*1.*2.*3.*4.*5.*6.*7.*$gdb_prompt $" {
pass "$test"
}
-re "0x\[f\]*:.*Cannot access memory at address 0x\[f\]*.*$gdb_prompt $" {
fail "$test (mapping failed at runtime)"
}
-re "0x.*:.*Cannot access memory at address 0x.*$gdb_prompt $" {
fail "$test (mapping address not found in core file)"
}
}
# test reinit_frame_cache
gdb_load ${binfile}
gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp (reinit)"
gdb_test "core" "No core file now."
|
