| # Copyright 1997, 1998, 1999, 2003, 2004 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. |
| |
| if [target_info exists gdb,nosignals] { |
| verbose "Skipping signals.exp because of nosignals." |
| continue |
| } |
| |
| if $tracelevel then { |
| strace $tracelevel |
| } |
| |
| set prms_id 0 |
| set bug_id 0 |
| |
| set testfile signals |
| set srcfile ${testfile}.c |
| set binfile ${objdir}/${subdir}/${testfile} |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
| gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
| } |
| |
| # Create and source the file that provides information about the compiler |
| # used to compile the test case. |
| if [get_compiler_info ${binfile}] { |
| return -1; |
| } |
| |
| if {$hp_cc_compiler} { |
| set void 0 |
| } else { |
| set void void |
| } |
| |
| gdb_exit |
| gdb_start |
| |
| # This will need to be updated as the exact list of signals changes, |
| # but I want to test that TARGET_SIGNAL_0, TARGET_SIGNAL_DEFAULT, and |
| # TARGET_SIGNAL_UNKNOWN are skipped. |
| |
| proc test_handle_all_print {} { |
| global timeout |
| # Increase timeout and expect input buffer for large output from gdb. |
| # Allow blank or TAB as whitespace characters. |
| set oldtimeout $timeout |
| set timeout [expr "$timeout + 360"] |
| verbose "Timeout is now $timeout seconds" 2 |
| if { ![istarget "*-*-linux*"] |
| && ( [istarget "*-*-gnu*"] |
| || [istarget "*-*-mach*"] ) } { |
| 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" |
| } else { |
| 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.*" |
| } |
| set timeout $oldtimeout |
| verbose "Timeout restored to $timeout seconds" 2 |
| } |
| test_handle_all_print |
| |
| gdb_exit |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load $binfile |
| |
| if [runto_main] then { |
| |
| # Since count is a static variable outside main, runto_main is no |
| # guarantee that count will be 0 at this point. |
| |
| gdb_test "set variable count = 0" "" |
| |
| # Test an inferior function call that takes a signal that hits a |
| # breakpoint (with a false condition). When GDB tries to run the |
| # stack dummy, it will hit the breakpoint at handler. Provided it |
| # doesn't lose its cool, this is not a problem, it just has to |
| # note that the breakpoint condition is false and keep going. |
| |
| # ...setup an always false conditional breakpoint |
| |
| gdb_test "break handler if 0" "Breakpoint \[0-9\]+ .*" |
| gdb_test "set \$handler_breakpoint_number = \$bpnum" "" |
| |
| # ...setup the signal |
| |
| gdb_test "next" "signal \\(SIGUSR1.*" "next to signal" |
| gdb_test "next" "alarm \\(.*" "next to alarm #1" |
| gdb_test "next" "\\+\\+count; /\\* first \\*/" \ |
| "next to ++count #1" |
| sleep 2 |
| |
| # ...call the function |
| |
| gdb_test "p func1 ()" "^p func1 \\(\\)\r\n.\[0-9\]* = $void" \ |
| "p func1 () #1" |
| |
| # ...veryfiy that the cout was updated |
| |
| gdb_test "p count" "= 2" "p count #1" |
| |
| # Now run the same test but with a breakpoint that does stop. |
| |
| # ...set up the breakpoint and signal |
| |
| gdb_test "condition \$handler_breakpoint_number" "now unconditional\\." |
| gdb_test "next" "alarm \\(.*" "next to alarm #2" |
| gdb_test "next" "\\+\\+count; /\\* second \\*/" \ |
| "next to ++count #2" |
| sleep 2 |
| |
| # ...call the function, which is immediatly interrupted |
| |
| gdb_test "p func1 ()" \ |
| "Breakpoint \[0-9\]*, handler.* |
| The program being debugged stopped while in a function called from GDB.*" \ |
| "p func1 () #2" |
| |
| # ...verify the backtrace |
| |
| gdb_test "backtrace" \ |
| "#0 handler.*#1 .signal handler called.*#2 func1.*#3 .function called from gdb.*#4.*main.*" \ |
| "backtrace from handler when calling func1" |
| |
| # ...and continue (silently returning) |
| |
| gdb_test "continue" "Continuing\\." |
| |
| # ...and then count should have been incremented |
| |
| gdb_test "p count" "= 5" "p count #2" |
| |
| |
| # Verify that "info signals" produces reasonable output. |
| |
| 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.*" \ |
| "info signals" |
| |
| # Verify that "info signal" correctly handles an argument, be it a |
| # symbolic signal name, or an integer ID. |
| |
| gdb_test "info signal SIGTRAP" \ |
| "SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*" \ |
| "info signal SIGTRAP" |
| |
| gdb_test "info signal 5" \ |
| "SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*" \ |
| "info signal 5" |
| |
| # Verify that "handle" with illegal arguments is gracefully, um, |
| # handled. |
| |
| gdb_test "handle" \ |
| "Argument required .signal to handle.*" \ |
| "handle without arguments" |
| |
| gdb_test "handle SIGFOO" \ |
| "Unrecognized or ambiguous flag word: \"SIGFOO\".*" \ |
| "handle with bogus SIG" |
| |
| gdb_test "handle SIGHUP frump" \ |
| "Unrecognized or ambiguous flag word: \"frump\".*" \ |
| "handle SIG with bogus action" |
| |
| # Verify that "handle" can take multiple actions per SIG, and that |
| # in the case of conflicting actions, that the rightmost action |
| # "wins". |
| |
| gdb_test "handle SIGHUP print noprint" \ |
| "SIGHUP\[ \t\]*No\[ \t\]*No\[ \t\]*Yes\[ \t\]*Hangup.*" \ |
| "handle SIG with multiple conflicting actions" |
| |
| # Exercise all the various actions. (We don't care what the |
| # outcome is, this is just to ensure that they all can be parsed.) |
| |
| gdb_test "handle SIGHUP print noprint stop nostop ignore noignore pass nopass" \ |
| "Signal.*" \ |
| "handle SIG parses all legal actions" |
| |
| # Verify that we can "handle" multiple signals at once, |
| # interspersed with actions. |
| |
| gdb_test "handle SIG63 print SIGILL" \ |
| "SIGILL\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Illegal instruction.*SIG63\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Real-time event 63.*" \ |
| "handle multiple SIGs" |
| |
| # Verify that "handle" can take a numeric argument for the signal |
| # ID, rather than a symbolic name. (This may not be portable; |
| # works for HP-UX.) |
| |
| # Also note that this testpoint overrides SIGTRAP, which on HP-UX |
| # at least, is used to implement single-steps and breakpoints. |
| # Don't expect to run the inferior after this! |
| |
| set test "override SIGTRAP" |
| gdb_test_multiple "handle 5 nopass" "$test" { |
| -re "SIGTRAP is used by the debugger.*Are you sure you want to change it.*y or n.*" { |
| gdb_test "y" \ |
| "SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*" \ |
| "$test" |
| } |
| } |
| |
| # GDB doesn't seem to allow numeric signal IDs larger than 15. Verify |
| # that restriction. ??rehrauer: Not sure if this is a feature or a |
| # bug, actually. Why is the range 1-15? |
| |
| gdb_test "handle 58" \ |
| "Only signals 1-15 are valid as numeric signals.*Use \"info signals\" for a list of symbolic signals.*" \ |
| "invalid signal number rejected" |
| |
| # Verify that we can accept a signal ID range (number-number). |
| # ??rehrauer: This feature isn't documented on the quick-reference |
| # card. |
| |
| gdb_test "handle 13-15" \ |
| "SIGPIPE.*SIGALRM.*SIGTERM.*" \ |
| "handle multiple SIGs via integer range" |
| |
| # Bizarrely enough, GDB also allows you to reverse the range stat, |
| # stop IDs. E.g., "3-1" and "1-3" mean the same thing. Probably |
| # this isn't documented, but the code anticipates it, so we'd best |
| # test it... |
| |
| gdb_test "handle 15-13" \ |
| "SIGPIPE.*SIGALRM.*SIGTERM.*" \ |
| "handle multiple SIGs via reverse integer range" |
| |
| # SIGINT is used by the debugger as well. Verify that we can |
| # change our minds about changing it. |
| |
| set test "override SIGINT" |
| gdb_test_multiple "handle SIGINT nopass" "$test" { |
| -re "SIGINT is used by the debugger.*Are you sure you want to change it.*y or n.*" { |
| gdb_test_multiple "n" "$test" { |
| -re "Not confirmed, unchanged.*Signal.*$gdb_prompt $" { |
| # "Signal ..." should not be in the output. |
| kfail gdb/1707 "$test" |
| } |
| -re "Not confirmed, unchanged.*$gdb_prompt $" { |
| pass "$test" |
| } |
| } |
| } |
| } |
| |
| # Verify that GDB responds gracefully to the "signal" command with |
| # a missing argument. |
| |
| gdb_test "signal" \ |
| "Argument required .signal number..*" \ |
| "signal without arguments disallowed" |
| |
| # Verify that we can successfully send a signal other than 0 to |
| # the inferior. (This probably causes the inferior to run away. |
| # Be prepared to rerun to main for further testing.) |
| |
| gdb_test "signal SIGUSR1" "Breakpoint.*handler.*" |
| gdb_test "bt" \ |
| "#0 handler .*#1 .signal handler called.*\#2 .*main.*" \ |
| "backtrace for SIGUSR1" |
| } |
| |
| return 0 |