| 1 | # Copyright 1997, 1998, 1999, 2003, 2004, 2007, 2008, 2009 |
| 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 3 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, see <http://www.gnu.org/licenses/>. |
| 16 | |
| 17 | if [target_info exists gdb,nosignals] { |
| 18 | verbose "Skipping signals.exp because of nosignals." |
| 19 | continue |
| 20 | } |
| 21 | |
| 22 | if $tracelevel then { |
| 23 | strace $tracelevel |
| 24 | } |
| 25 | |
| 26 | set prms_id 0 |
| 27 | set bug_id 0 |
| 28 | |
| 29 | set testfile signals |
| 30 | set srcfile ${testfile}.c |
| 31 | set binfile ${objdir}/${subdir}/${testfile} |
| 32 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
| 33 | untested signals.exp |
| 34 | return -1 |
| 35 | } |
| 36 | |
| 37 | # Create and source the file that provides information about the compiler |
| 38 | # used to compile the test case. |
| 39 | if [get_compiler_info ${binfile}] { |
| 40 | return -1; |
| 41 | } |
| 42 | |
| 43 | if {$hp_cc_compiler} { |
| 44 | set void 0 |
| 45 | } else { |
| 46 | set void void |
| 47 | } |
| 48 | |
| 49 | gdb_exit |
| 50 | gdb_start |
| 51 | |
| 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. |
| 55 | |
| 56 | proc test_handle_all_print {} { |
| 57 | global timeout |
| 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" |
| 67 | } else { |
| 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.*" |
| 69 | } |
| 70 | set timeout $oldtimeout |
| 71 | verbose "Timeout restored to $timeout seconds" 2 |
| 72 | } |
| 73 | test_handle_all_print |
| 74 | |
| 75 | gdb_exit |
| 76 | gdb_start |
| 77 | gdb_reinitialize_dir $srcdir/$subdir |
| 78 | gdb_load $binfile |
| 79 | |
| 80 | if [runto_main] then { |
| 81 | |
| 82 | # Since count is a static variable outside main, runto_main is no |
| 83 | # guarantee that count will be 0 at this point. |
| 84 | |
| 85 | gdb_test "set variable count = 0" "" |
| 86 | |
| 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. |
| 92 | |
| 93 | # ...setup an always false conditional breakpoint |
| 94 | |
| 95 | gdb_test "break handler if 0" "Breakpoint \[0-9\]+ .*" |
| 96 | gdb_test "set \$handler_breakpoint_number = \$bpnum" "" |
| 97 | |
| 98 | # ...setup the signal |
| 99 | |
| 100 | gdb_test "next" "signal \\(SIGUSR1.*" "next to signal" |
| 101 | gdb_test "next" "alarm \\(.*" "next to alarm #1" |
| 102 | gdb_test "next" "\\+\\+count; /\\* first \\*/" \ |
| 103 | "next to ++count #1" |
| 104 | sleep 2 |
| 105 | |
| 106 | # ...call the function |
| 107 | |
| 108 | gdb_test "p func1 ()" "^p func1 \\(\\)\r\n.\[0-9\]* = $void" \ |
| 109 | "p func1 () #1" |
| 110 | |
| 111 | # ...veryfiy that the cout was updated |
| 112 | |
| 113 | gdb_test "p count" "= 2" "p count #1" |
| 114 | |
| 115 | # Now run the same test but with a breakpoint that does stop. |
| 116 | |
| 117 | # ...set up the breakpoint and signal |
| 118 | |
| 119 | gdb_test "condition \$handler_breakpoint_number" "now unconditional\\." |
| 120 | gdb_test "next" "alarm \\(.*" "next to alarm #2" |
| 121 | gdb_test "next" "\\+\\+count; /\\* second \\*/" \ |
| 122 | "next to ++count #2" |
| 123 | sleep 2 |
| 124 | |
| 125 | # ...call the function, which is immediatly interrupted |
| 126 | |
| 127 | gdb_test "p func1 ()" \ |
| 128 | "Breakpoint \[0-9\]*, handler.* |
| 129 | The program being debugged stopped while in a function called from GDB.*" \ |
| 130 | "p func1 () #2" |
| 131 | |
| 132 | # ...verify the backtrace |
| 133 | |
| 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" |
| 137 | |
| 138 | # ...and continue (silently returning) |
| 139 | |
| 140 | gdb_test "continue" "Continuing\\." |
| 141 | |
| 142 | # ...and then count should have been incremented |
| 143 | |
| 144 | gdb_test "p count" "= 5" "p count #2" |
| 145 | |
| 146 | |
| 147 | # Verify that "info signals" produces reasonable output. |
| 148 | |
| 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.*" \ |
| 150 | "info signals" |
| 151 | |
| 152 | # Verify that "info signal" correctly handles an argument, be it a |
| 153 | # symbolic signal name, or an integer ID. |
| 154 | |
| 155 | gdb_test "info signal SIGTRAP" \ |
| 156 | "SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*" \ |
| 157 | "info signal SIGTRAP" |
| 158 | |
| 159 | gdb_test "info signal 5" \ |
| 160 | "SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*" \ |
| 161 | "info signal 5" |
| 162 | |
| 163 | # Verify that "handle" with illegal arguments is gracefully, um, |
| 164 | # handled. |
| 165 | |
| 166 | gdb_test "handle" \ |
| 167 | "Argument required .signal to handle.*" \ |
| 168 | "handle without arguments" |
| 169 | |
| 170 | gdb_test "handle SIGFOO" \ |
| 171 | "Unrecognized or ambiguous flag word: \"SIGFOO\".*" \ |
| 172 | "handle with bogus SIG" |
| 173 | |
| 174 | gdb_test "handle SIGHUP frump" \ |
| 175 | "Unrecognized or ambiguous flag word: \"frump\".*" \ |
| 176 | "handle SIG with bogus action" |
| 177 | |
| 178 | # Verify that "handle" can take multiple actions per SIG, and that |
| 179 | # in the case of conflicting actions, that the rightmost action |
| 180 | # "wins". |
| 181 | |
| 182 | gdb_test "handle SIGHUP print noprint" \ |
| 183 | "SIGHUP\[ \t\]*No\[ \t\]*No\[ \t\]*Yes\[ \t\]*Hangup.*" \ |
| 184 | "handle SIG with multiple conflicting actions" |
| 185 | |
| 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.) |
| 188 | |
| 189 | gdb_test "handle SIGHUP print noprint stop nostop ignore noignore pass nopass" \ |
| 190 | "Signal.*" \ |
| 191 | "handle SIG parses all legal actions" |
| 192 | |
| 193 | # Verify that we can "handle" multiple signals at once, |
| 194 | # interspersed with actions. |
| 195 | |
| 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" |
| 199 | |
| 200 | # Verify that "handle" can take a numeric argument for the signal |
| 201 | # ID, rather than a symbolic name. (This may not be portable; |
| 202 | # works for HP-UX.) |
| 203 | |
| 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! |
| 207 | |
| 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.*" { |
| 211 | gdb_test "y" \ |
| 212 | "SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*" \ |
| 213 | "$test" |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | # GDB doesn't seem to allow numeric signal IDs larger than 15. Verify |
| 218 | # that restriction. ??rehrauer: Not sure if this is a feature or a |
| 219 | # bug, actually. Why is the range 1-15? |
| 220 | |
| 221 | gdb_test "handle 58" \ |
| 222 | "Only signals 1-15 are valid as numeric signals.*Use \"info signals\" for a list of symbolic signals.*" \ |
| 223 | "invalid signal number rejected" |
| 224 | |
| 225 | # Verify that we can accept a signal ID range (number-number). |
| 226 | # ??rehrauer: This feature isn't documented on the quick-reference |
| 227 | # card. |
| 228 | |
| 229 | gdb_test "handle 13-15" \ |
| 230 | "SIGPIPE.*SIGALRM.*SIGTERM.*" \ |
| 231 | "handle multiple SIGs via integer range" |
| 232 | |
| 233 | # Bizarrely enough, GDB also allows you to reverse the range stat, |
| 234 | # stop IDs. E.g., "3-1" and "1-3" mean the same thing. Probably |
| 235 | # this isn't documented, but the code anticipates it, so we'd best |
| 236 | # test it... |
| 237 | |
| 238 | gdb_test "handle 15-13" \ |
| 239 | "SIGPIPE.*SIGALRM.*SIGTERM.*" \ |
| 240 | "handle multiple SIGs via reverse integer range" |
| 241 | |
| 242 | # SIGINT is used by the debugger as well. Verify that we can |
| 243 | # change our minds about changing it. |
| 244 | |
| 245 | set test "override SIGINT" |
| 246 | gdb_test_multiple "handle SIGINT nopass" "$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 $" { |
| 250 | # "Signal ..." should not be in the output. |
| 251 | fail gdb/8812 "$test" |
| 252 | } |
| 253 | -re "Not confirmed, unchanged.*$gdb_prompt $" { |
| 254 | pass "$test" |
| 255 | } |
| 256 | } |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | # Verify that GDB responds gracefully to the "signal" command with |
| 261 | # a missing argument. |
| 262 | |
| 263 | gdb_test "signal" \ |
| 264 | "Argument required .signal number..*" \ |
| 265 | "signal without arguments disallowed" |
| 266 | |
| 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.) |
| 270 | |
| 271 | gdb_test "signal SIGUSR1" "Breakpoint.*handler.*" |
| 272 | gdb_test "bt" \ |
| 273 | "#0 handler .*#1 .signal handler called.*\#2 .*main.*" \ |
| 274 | "backtrace for SIGUSR1" |
| 275 | } |
| 276 | |
| 277 | return 0 |