1 # Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2007
2 # Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 # Please email any bugs, comments, and/or additions to this file to:
19 # bug-gdb@prep.ai.mit.edu
21 # This file was written by Fred Fish. (fnf@cygnus.com)
30 # are we on a target board
35 set testfile "coremaker"
36 set srcfile ${testfile}.c
37 set binfile ${objdir}/${subdir}/${testfile}
38 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
43 # Create and source the file that provides information about the compiler
44 # used to compile the test case.
45 if [get_compiler_info ${binfile}] {
49 # Create a core file named "corefile" rather than just "core", to
50 # avoid problems with sys admin types that like to regularly prune all
51 # files named "core" from the system.
53 # Arbitrarily try setting the core size limit to "unlimited" since
54 # this does not hurt on systems where the command does not work and
55 # allows us to generate a core on systems where it does.
57 # Some systems append "core" to the name of the program; others append
58 # the name of the program to "core"; still others (like Linux, as of
59 # May 2003) create cores named "core.PID". In the latter case, we
60 # could have many core files lying around, and it may be difficult to
61 # tell which one is ours, so let's run the program in a subdirectory.
63 set coredir "${objdir}/${subdir}/coredir.[getpid]"
65 catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile}; true) >/dev/null 2>&1\""
66 # remote_exec host "${binfile}"
67 foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" {
68 if [remote_file build exists $i] {
69 remote_exec build "mv $i ${objdir}/${subdir}/corefile"
73 # Check for "core.PID".
75 set names [glob -nocomplain -directory $coredir core.*]
76 if {[llength $names] == 1} {
77 set corefile [file join $coredir [lindex $names 0]]
78 remote_exec build "mv $corefile ${objdir}/${subdir}/corefile"
83 # The braindamaged HPUX shell quits after the ulimit -c above
84 # without executing ${binfile}. So we try again without the
85 # ulimit here if we didn't find a core file above.
86 # Oh, I should mention that any "braindamaged" non-Unix system has
87 # the same problem. I like the cd bit too, it's really neat'n stuff.
88 catch "system \"(cd ${objdir}/${subdir}; ${binfile}; true) >/dev/null 2>&1\""
89 foreach i "${objdir}/${subdir}/core ${objdir}/${subdir}/core.coremaker.c ${binfile}.core" {
90 if [remote_file build exists $i] {
91 remote_exec build "mv $i ${objdir}/${subdir}/corefile"
97 # Try to clean up after ourselves.
98 remote_file build delete [file join $coredir coremmap.data]
99 remote_exec build "rmdir $coredir"
102 warning "can't generate a core file - core tests suppressed - check ulimit -c"
107 # Test that we can simply startup with a "-core=corefile" command line arg
108 # and recognize that the core file is a valid, usable core file.
109 # To do this, we must shutdown the currently running gdb and restart
110 # with the -core args. We can't use gdb_start because it looks for
111 # the first gdb prompt, and the message we are looking for occurs
112 # before the first prompt. Also, we can't include GDBFLAGS because
113 # if it is empty, this confuses gdb with an empty argument that it
114 # grumbles about (said grumbling currently being ignored in gdb_start).
117 # Another problem is that on some systems (solaris for example), there
118 # is apparently a limit on the length of a fully specified path to
119 # the coremaker executable, at about 80 chars. For this case, consider
120 # it a pass, but note that the program name is bad.
124 send_user "Spawning $GDB -nw $GDBFLAGS -core=$objdir/$subdir/corefile\n"
127 set oldtimeout $timeout
128 set timeout [expr "$timeout + 60"]
129 verbose "Timeout is now $timeout seconds" 2
130 eval "spawn $GDB -nw $GDBFLAGS -core=$objdir/$subdir/corefile"
132 -re "Couldn't find .* registers in core file.*$gdb_prompt $" {
133 fail "args: -core=corefile (couldn't find regs)"
135 -re "Core was generated by .*coremaker.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
136 pass "args: -core=corefile"
138 -re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
139 pass "args: -core=corefile (with bad program name)"
141 -re ".*registers from core file: File in wrong format.* $" {
142 fail "args: -core=corefile (could not read registers from core file)"
144 -re ".*$gdb_prompt $" { fail "args: -core=corefile" }
145 timeout { fail "(timeout) starting with -core" }
150 # Test that startup with both an executable file and -core argument.
151 # See previous comments above, they are still applicable.
157 send_user "Spawning $GDB -nw $GDBFLAGS $binfile -core=$objdir/$subdir/corefile\n"
161 eval "spawn $GDB -nw $GDBFLAGS $binfile -core=$objdir/$subdir/corefile";
163 -re "Core was generated by .*coremaker.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
164 pass "args: execfile -core=corefile"
166 -re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
167 pass "args: execfile -core=corefile (with bad program name)"
169 -re ".*registers from core file: File in wrong format.* $" {
170 fail "args: execfile -core=corefile (could not read registers from core file)"
172 -re ".*$gdb_prompt $" { fail "args: execfile -core=corefile" }
173 timeout { fail "(timeout) starting with -core" }
175 set timeout $oldtimeout
176 verbose "Timeout is now $timeout seconds" 2
180 # Now restart normally.
183 gdb_reinitialize_dir $srcdir/$subdir
186 # Test basic corefile recognition via core-file command.
188 send_gdb "core-file $objdir/$subdir/corefile\n"
190 -re ".* program is being debugged already.*y or n. $" {
191 # gdb_load may connect us to a gdbserver.
195 -re "Core was generated by .*coremaker.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
196 pass "core-file command"
198 -re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
199 pass "core-file command (with bad program name)"
201 -re ".*registers from core file: File in wrong format.* $" {
202 fail "core-file command (could not read registers from core file)"
204 -re ".*$gdb_prompt $" { fail "core-file command" }
205 timeout { fail "(timeout) core-file command" }
208 # Test correct mapping of corefile sections by printing some variables.
210 gdb_test "print coremaker_data" "\\\$$decimal = 202"
211 gdb_test "print coremaker_bss" "\\\$$decimal = 10"
212 gdb_test "print coremaker_ro" "\\\$$decimal = 201"
214 gdb_test "print func2::coremaker_local" "\\\$$decimal = \\{0, 1, 2, 3, 4\\}"
216 # Somehow we better test the ability to read the registers out of the core
217 # file correctly. I don't think the other tests do this.
219 gdb_test "bt" "abort.*func2.*func1.*main.*" "backtrace in corefile.exp"
220 gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp"
222 # Test ability to read mmap'd data
224 gdb_test "x/8bd buf1" ".*:.*0.*1.*2.*3.*4.*5.*6.*7" "accessing original mmap data in core file"
225 setup_xfail "*-*-sunos*" "*-*-ultrix*" "*-*-aix*"
226 set test "accessing mmapped data in core file"
227 gdb_test_multiple "x/8bd buf2" "$test" {
228 -re ".*:.*0.*1.*2.*3.*4.*5.*6.*7.*$gdb_prompt $" {
231 -re "0x\[f\]*:.*Cannot access memory at address 0x\[f\]*.*$gdb_prompt $" {
232 fail "$test (mapping failed at runtime)"
234 -re "0x.*:.*Cannot access memory at address 0x.*$gdb_prompt $" {
235 fail "$test (mapping address not found in core file)"
239 # test reinit_frame_cache
242 gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(\\).*" "up in corefile.exp (reinit)"
244 gdb_test "core" "No core file now."