1# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
2# Free Software Foundation, Inc.
3
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.
8#
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.
13#
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.
17
18# Please email any bugs, comments, and/or additions to this file to:
19# bug-gdb@prep.ai.mit.edu
20
21# This file was written by Fred Fish. (fnf@cygnus.com)
22
23if $tracelevel then {
24	strace $tracelevel
25}
26
27set prms_id 0
28set bug_id 0
29
30# are we on a target board
31if ![isnative] then {
32    return
33}
34
35set testfile "coremaker"
36set srcfile ${testfile}.c
37set binfile ${objdir}/${subdir}/${testfile}
38if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
39     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
40}
41
42# Create and source the file that provides information about the compiler
43# used to compile the test case.
44if [get_compiler_info ${binfile}] {
45    return -1;
46}
47
48# Create a core file named "corefile" rather than just "core", to
49# avoid problems with sys admin types that like to regularly prune all
50# files named "core" from the system.
51#
52# Arbitrarily try setting the core size limit to "unlimited" since
53# this does not hurt on systems where the command does not work and
54# allows us to generate a core on systems where it does.
55#
56# Some systems append "core" to the name of the program; others append
57# the name of the program to "core"; still others (like Linux, as of
58# May 2003) create cores named "core.PID".  In the latter case, we
59# could have many core files lying around, and it may be difficult to
60# tell which one is ours, so let's run the program in a subdirectory.
61set found 0
62set coredir "${objdir}/${subdir}/coredir.[getpid]"
63file mkdir $coredir
64catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile}; true) >/dev/null 2>&1\""
65#      remote_exec host "${binfile}"
66foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" {
67    if [remote_file build exists $i] {
68	remote_exec build "mv $i ${objdir}/${subdir}/corefile"
69	set found 1
70    }
71}
72# Check for "core.PID".
73if { $found == 0 } {
74    set names [glob -nocomplain -directory $coredir core.*]
75    if {[llength $names] == 1} {
76        set corefile [file join $coredir [lindex $names 0]]
77        remote_exec build "mv $corefile ${objdir}/${subdir}/corefile"
78        set found 1
79    }
80}
81if { $found == 0 } {
82    # The braindamaged HPUX shell quits after the ulimit -c above
83    # without executing ${binfile}.  So we try again without the
84    # ulimit here if we didn't find a core file above.
85    # Oh, I should mention that any "braindamaged" non-Unix system has
86    # the same problem. I like the cd bit too, it's really neat'n stuff.
87    catch "system \"(cd ${objdir}/${subdir}; ${binfile}; true) >/dev/null 2>&1\""
88    foreach i "${objdir}/${subdir}/core ${objdir}/${subdir}/core.coremaker.c ${binfile}.core" {
89	if [remote_file build exists $i] {
90	    remote_exec build "mv $i ${objdir}/${subdir}/corefile"
91	    set found 1
92	}
93    }
94}
95
96# Try to clean up after ourselves.
97remote_file build delete [file join $coredir coremmap.data]
98remote_exec build "rmdir $coredir"
99
100if { $found == 0  } {
101    warning "can't generate a core file - core tests suppressed - check ulimit -c"
102    return 0
103}
104
105#
106# Test that we can simply startup with a "-core=corefile" command line arg
107# and recognize that the core file is a valid, usable core file.
108# To do this, we must shutdown the currently running gdb and restart
109# with the -core args.  We can't use gdb_start because it looks for
110# the first gdb prompt, and the message we are looking for occurs
111# before the first prompt.  Also, we can't include GDBFLAGS because
112# if it is empty, this confuses gdb with an empty argument that it
113# grumbles about (said grumbling currently being ignored in gdb_start).
114# **FIXME**
115#
116# Another problem is that on some systems (solaris for example), there
117# is apparently a limit on the length of a fully specified path to
118# the coremaker executable, at about 80 chars.  For this case, consider
119# it a pass, but note that the program name is bad.
120
121gdb_exit
122if $verbose>1 then {
123    send_user "Spawning $GDB -nw $GDBFLAGS -core=$objdir/$subdir/corefile\n"
124}
125
126set oldtimeout $timeout
127set timeout [expr "$timeout + 60"]
128verbose "Timeout is now $timeout seconds" 2
129eval "spawn $GDB -nw $GDBFLAGS -core=$objdir/$subdir/corefile"
130expect {
131    -re "Couldn't find .* registers in core file.*$gdb_prompt $" {
132        fail "args: -core=corefile (couldn't find regs)"
133    }
134    -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
135	pass "args: -core=corefile"
136    }
137    -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
138	pass "args: -core=corefile (with bad program name)"
139    }
140    -re ".*registers from core file: File in wrong format.* $" {
141	fail "args: -core=corefile (could not read registers from core file)"
142    }
143    -re ".*$gdb_prompt $"	{ fail "args: -core=corefile" }
144    timeout 		{ fail "(timeout) starting with -core" }
145}
146
147
148#
149# Test that startup with both an executable file and -core argument.
150# See previous comments above, they are still applicable.
151#
152
153close;
154
155if $verbose>1 then {
156    send_user "Spawning $GDB -nw $GDBFLAGS $binfile -core=$objdir/$subdir/corefile\n"
157}
158
159
160eval "spawn $GDB -nw $GDBFLAGS $binfile -core=$objdir/$subdir/corefile";
161expect {
162    -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
163	pass "args: execfile -core=corefile"
164    }
165    -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $"	 {
166	pass "args: execfile -core=corefile (with bad program name)"
167    }
168    -re ".*registers from core file: File in wrong format.* $" {
169	fail "args: execfile -core=corefile (could not read registers from core file)"
170    }
171    -re ".*$gdb_prompt $"	{ fail "args: execfile -core=corefile" }
172    timeout 		{ fail "(timeout) starting with -core" }
173}
174set timeout $oldtimeout
175verbose "Timeout is now $timeout seconds" 2
176
177close;
178
179# Now restart normally.
180
181gdb_start
182gdb_reinitialize_dir $srcdir/$subdir
183gdb_load ${binfile}
184
185# Test basic corefile recognition via core-file command.
186
187send_gdb "core-file $objdir/$subdir/corefile\n"
188gdb_expect {
189    -re ".* program is being debugged already.*y or n. $" {
190	# gdb_load may connect us to a gdbserver.
191	send_gdb "y\n"
192	exp_continue;
193    }
194    -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
195	pass "core-file command"
196    }
197    -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
198	pass "core-file command (with bad program name)"
199    }
200    -re ".*registers from core file: File in wrong format.* $" {
201	fail "core-file command (could not read registers from core file)"
202    }
203    -re ".*$gdb_prompt $"	{ fail "core-file command" }
204    timeout 		{ fail "(timeout) core-file command" }
205}
206
207# Test correct mapping of corefile sections by printing some variables.
208
209gdb_test "print coremaker_data" "\\\$$decimal = 202"
210gdb_test "print coremaker_bss" "\\\$$decimal = 10"
211gdb_test "print coremaker_ro" "\\\$$decimal = 201"
212
213gdb_test "print func2::coremaker_local" "\\\$$decimal = \\{0, 1, 2, 3, 4\\}"
214
215# Somehow we better test the ability to read the registers out of the core
216# file correctly.  I don't think the other tests do this.
217
218gdb_test "bt" "abort.*func2.*func1.*main.*" "backtrace in corefile.exp"
219gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp"
220
221# Test ability to read mmap'd data
222
223gdb_test "x/8bd buf1" ".*:.*0.*1.*2.*3.*4.*5.*6.*7" "accessing original mmap data in core file"
224setup_xfail "*-*-sunos*" "*-*-ultrix*" "*-*-aix*"
225set test "accessing mmapped data in core file"
226gdb_test_multiple "x/8bd buf2" "$test" {
227    -re ".*:.*0.*1.*2.*3.*4.*5.*6.*7.*$gdb_prompt $" {
228	pass "$test"
229    }
230    -re "0x\[f\]*:.*Cannot access memory at address 0x\[f\]*.*$gdb_prompt $" {
231	fail "$test (mapping failed at runtime)"
232    }
233    -re "0x.*:.*Cannot access memory at address 0x.*$gdb_prompt $" {
234	fail "$test (mapping address not found in core file)"
235    }
236}
237
238# test reinit_frame_cache
239
240gdb_load ${binfile}
241gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(\\).*" "up in corefile.exp (reinit)"
242
243gdb_test "core" "No core file now."
244