1 # Copyright 1997, 1998, 1999, 2003, 2004 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 2 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 if [target_info exists gdb,nosignals] {
18 verbose "Skipping signals.exp because of nosignals."
30 set srcfile ${testfile}.c
31 set binfile ${objdir}/${subdir}/${testfile}
32 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
37 # Create and source the file that provides information about the compiler
38 # used to compile the test case.
39 if [get_compiler_info ${binfile}] {
43 if {$hp_cc_compiler} {
52 # This will need to be updated as the exact list of signals changes,
53 # but I want to test that TARGET_SIGNAL_0, TARGET_SIGNAL_DEFAULT, and
54 # TARGET_SIGNAL_UNKNOWN are skipped.
56 proc test_handle_all_print {} {
58 # Increase timeout and expect input buffer for large output from gdb.
59 # Allow blank or TAB as whitespace characters.
60 set oldtimeout $timeout
61 set timeout [expr "$timeout + 360"]
62 verbose "Timeout is now $timeout seconds" 2
63 if { ![istarget "*-*-linux*"]
64 && ( [istarget "*-*-gnu*"]
65 || [istarget "*-*-mach*"] ) } {
66 gdb_test "handle all print" "Signal\[ \]+Stop\[ \]+Print\[ \]+Pass to program\[ \]+Description\r\nSIGHUP\[ \]+Yes\[ \]+Yes\[ \]+Yes\[ \]+Hangup.*SIG63\[ \]+Yes\[ \]+Yes\[ \]+Yes\[ \]+Real-time event 63.*EXC_BREAKPOINT\[ \]+Yes\[ \]+Yes\[ \]+Yes\[ \]+Breakpoint"
68 gdb_test "handle all print" "Signal\[ \]+Stop\[ \]+Print\[ \]+Pass to program\[ \]+Description\r\nSIGHUP\[ \]+Yes\[ \]+Yes\[ \]+Yes\[ \]+Hangup.*SIG63\[ \]+Yes\[ \]+Yes\[ \]+Yes\[ \]+Real-time event 63.*"
70 set timeout $oldtimeout
71 verbose "Timeout restored to $timeout seconds" 2
77 gdb_reinitialize_dir $srcdir/$subdir
80 if [runto_main] then {
82 # Since count is a static variable outside main, runto_main is no
83 # guarantee that count will be 0 at this point.
85 gdb_test "set variable count = 0" ""
87 # Test an inferior function call that takes a signal that hits a
88 # breakpoint (with a false condition). When GDB tries to run the
89 # stack dummy, it will hit the breakpoint at handler. Provided it
90 # doesn't lose its cool, this is not a problem, it just has to
91 # note that the breakpoint condition is false and keep going.
93 # ...setup an always false conditional breakpoint
95 gdb_test "break handler if 0" "Breakpoint \[0-9\]+ .*"
96 gdb_test "set \$handler_breakpoint_number = \$bpnum" ""
100 gdb_test "next" "signal \\(SIGUSR1.*" "next to signal"
101 gdb_test "next" "alarm \\(.*" "next to alarm #1"
102 gdb_test "next" "\\+\\+count; /\\* first \\*/" \
106 # ...call the function
108 gdb_test "p func1 ()" "^p func1 \\(\\)\r\n.\[0-9\]* = $void" \
111 # ...veryfiy that the cout was updated
113 gdb_test "p count" "= 2" "p count #1"
115 # Now run the same test but with a breakpoint that does stop.
117 # ...set up the breakpoint and signal
119 gdb_test "condition \$handler_breakpoint_number" "now unconditional\\."
120 gdb_test "next" "alarm \\(.*" "next to alarm #2"
121 gdb_test "next" "\\+\\+count; /\\* second \\*/" \
125 # ...call the function, which is immediatly interrupted
127 gdb_test "p func1 ()" \
128 "Breakpoint \[0-9\]*, handler.*
129 The program being debugged stopped while in a function called from GDB.*" \
132 # ...verify the backtrace
134 gdb_test "backtrace" \
135 "#0 handler.*#1 .signal handler called.*#2 func1.*#3 .function called from gdb.*#4.*main.*" \
136 "backtrace from handler when calling func1"
138 # ...and continue (silently returning)
140 gdb_test "continue" "Continuing\\."
142 # ...and then count should have been incremented
144 gdb_test "p count" "= 5" "p count #2"
147 # Verify that "info signals" produces reasonable output.
149 gdb_test "info signals" "SIGHUP.*SIGINT.*SIGQUIT.*SIGILL.*SIGTRAP.*SIGABRT.*SIGEMT.*SIGFPE.*SIGKILL.*SIGBUS.*SIGSEGV.*SIGSYS.*SIGPIPE.*SIGALRM.*SIGTERM.*SIGURG.*SIGSTOP.*SIGTSTP.*SIGCONT.*SIGCHLD.*SIGTTIN.*SIGTTOU.*SIGIO.*SIGXCPU.*SIGXFSZ.*SIGVTALRM.*SIGPROF.*SIGWINCH.*SIGLOST.*SIGUSR1.*SIGUSR2.*SIGPWR.*SIGPOLL.*SIGWIND.*SIGPHONE.*SIGWAITING.*SIGLWP.*SIGDANGER.*SIGGRANT.*SIGRETRACT.*SIGMSG.*SIGSOUND.*SIGSAK.*SIGPRIO.*SIG33.*SIG34.*SIG35.*SIG36.*SIG37.*SIG38.*SIG39.*SIG40.*SIG41.*SIG42.*SIG43.*SIG44.*SIG45.*SIG46.*SIG47.*SIG48.*SIG49.*SIG50.*SIG51.*SIG52.*SIG53.*SIG54.*SIG55.*SIG56.*SIG57.*SIG58.*SIG59.*SIG60.*SIG61.*SIG62.*SIG63.*Use the \"handle\" command to change these tables.*" \
152 # Verify that "info signal" correctly handles an argument, be it a
153 # symbolic signal name, or an integer ID.
155 gdb_test "info signal SIGTRAP" \
156 "SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*" \
157 "info signal SIGTRAP"
159 gdb_test "info signal 5" \
160 "SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*" \
163 # Verify that "handle" with illegal arguments is gracefully, um,
167 "Argument required .signal to handle.*" \
168 "handle without arguments"
170 gdb_test "handle SIGFOO" \
171 "Unrecognized or ambiguous flag word: \"SIGFOO\".*" \
172 "handle with bogus SIG"
174 gdb_test "handle SIGHUP frump" \
175 "Unrecognized or ambiguous flag word: \"frump\".*" \
176 "handle SIG with bogus action"
178 # Verify that "handle" can take multiple actions per SIG, and that
179 # in the case of conflicting actions, that the rightmost action
182 gdb_test "handle SIGHUP print noprint" \
183 "SIGHUP\[ \t\]*No\[ \t\]*No\[ \t\]*Yes\[ \t\]*Hangup.*" \
184 "handle SIG with multiple conflicting actions"
186 # Exercise all the various actions. (We don't care what the
187 # outcome is, this is just to ensure that they all can be parsed.)
189 gdb_test "handle SIGHUP print noprint stop nostop ignore noignore pass nopass" \
191 "handle SIG parses all legal actions"
193 # Verify that we can "handle" multiple signals at once,
194 # interspersed with actions.
196 gdb_test "handle SIG63 print SIGILL" \
197 "SIGILL\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Illegal instruction.*SIG63\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Real-time event 63.*" \
198 "handle multiple SIGs"
200 # Verify that "handle" can take a numeric argument for the signal
201 # ID, rather than a symbolic name. (This may not be portable;
204 # Also note that this testpoint overrides SIGTRAP, which on HP-UX
205 # at least, is used to implement single-steps and breakpoints.
206 # Don't expect to run the inferior after this!
208 set test "override SIGTRAP"
209 gdb_test_multiple "handle 5 nopass" "$test" {
210 -re "SIGTRAP is used by the debugger.*Are you sure you want to change it.*y or n.*" {
212 "SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*" \
217 # GDB doesn't seem to allow numeric signal IDs larger than 15. Verify
218 # that restriction. ??rehrauer: Not sure if this is a feature or a
219 # bug, actually. Why is the range 1-15?
221 gdb_test "handle 58" \
222 "Only signals 1-15 are valid as numeric signals.*Use \"info signals\" for a list of symbolic signals.*" \
223 "invalid signal number rejected"
225 # Verify that we can accept a signal ID range (number-number).
226 # ??rehrauer: This feature isn't documented on the quick-reference
229 gdb_test "handle 13-15" \
230 "SIGPIPE.*SIGALRM.*SIGTERM.*" \
231 "handle multiple SIGs via integer range"
233 # Bizarrely enough, GDB also allows you to reverse the range stat,
234 # stop IDs. E.g., "3-1" and "1-3" mean the same thing. Probably
235 # this isn't documented, but the code anticipates it, so we'd best
238 gdb_test "handle 15-13" \
239 "SIGPIPE.*SIGALRM.*SIGTERM.*" \
240 "handle multiple SIGs via reverse integer range"
242 # SIGINT is used by the debugger as well. Verify that we can
243 # change our minds about changing it.
245 set test "override SIGINT"
246 gdb_test_multiple "handle SIGINT nopass" "$test" {
247 -re "SIGINT is used by the debugger.*Are you sure you want to change it.*y or n.*" {
248 gdb_test_multiple "n" "$test" {
249 -re "Not confirmed, unchanged.*Signal.*$gdb_prompt $" {
250 # "Signal ..." should not be in the output.
251 kfail gdb/1707 "$test"
253 -re "Not confirmed, unchanged.*$gdb_prompt $" {
260 # Verify that GDB responds gracefully to the "signal" command with
261 # a missing argument.
264 "Argument required .signal number..*" \
265 "signal without arguments disallowed"
267 # Verify that we can successfully send a signal other than 0 to
268 # the inferior. (This probably causes the inferior to run away.
269 # Be prepared to rerun to main for further testing.)
271 gdb_test "signal SIGUSR1" "Breakpoint.*handler.*"
273 "#0 handler .*#1 .signal handler called.*\#2 .*main.*" \
274 "backtrace for SIGUSR1"