diff options
Diffstat (limited to 'gdb/testsuite')
| -rw-r--r-- | gdb/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.base/sigstep.c | 56 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.base/sigstep.exp | 174 |
3 files changed, 235 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index c34838b..a08f38b 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2004-04-21 Andrew Cagney <cagney@redhat.com> + + * gdb.base/sigstep.c: New file. + * gdb.base/sigstep.exp: New file. + 2004-04-16 Joel Brobecker <brobecker@gnat.com> * gdb.gdb/observer.exp (test_normal_stop_notifications): Update diff --git a/gdb/testsuite/gdb.base/sigstep.c b/gdb/testsuite/gdb.base/sigstep.c new file mode 100644 index 0000000..a9e8618 --- /dev/null +++ b/gdb/testsuite/gdb.base/sigstep.c @@ -0,0 +1,56 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 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. + +*/ + +#include <stdio.h> +#include <signal.h> +#include <sys/time.h> + +static volatile int done; + +static void +handler (int sig) +{ + done = 1; +} /* handler */ + +main () +{ + /* Set up the signal handler. */ + { + struct sigaction action; + memset (&action, 0, sizeof (action)); + action.sa_handler = handler; + sigaction (SIGVTALRM, &action, NULL); + } + + /* Set up a one-off timer. A timer, rather than SIGSEGV, is used as + after a timer handler finishes the interrupted code can safely + resume. */ + { + struct itimerval itime; + memset (&itime, 0, sizeof (itime)); + itime.it_value.tv_usec = 250 * 1000; + setitimer (ITIMER_VIRTUAL, &itime, NULL); + } + + /* Wait. */ + while (!done); + return 0; +} /* main */ diff --git a/gdb/testsuite/gdb.base/sigstep.exp b/gdb/testsuite/gdb.base/sigstep.exp new file mode 100644 index 0000000..6f94329 --- /dev/null +++ b/gdb/testsuite/gdb.base/sigstep.exp @@ -0,0 +1,174 @@ +# Copyright 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. + + +# The program sigstep.c creates a very simple backtrace containing one +# signal handler and signal trampoline. + +# This test runs the program up to the signal handler, and then +# attempts to step/next the inferior back to main. + +if [target_info exists gdb,nosignals] { + verbose "Skipping sigstep.exp because of nosignals." + continue +} + +if $tracelevel then { + strace $tracelevel +} + +set prms_id 0 +set bug_id 0 + +set testfile sigstep +set srcfile ${testfile}.c +set binfile ${objdir}/${subdir}/${testfile} +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { + untested "Couldn't compile ${module}.c" + return -1 +} + +# get things started +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +gdb_test "display/i \$pc" + +# Advance to main +if { ![runto_main] } then { + gdb_suppress_tests; +} + +# Pass all the alarms straight through (but verbosely) +# gdb_test "handle SIGALRM print pass nostop" +# gdb_test "handle SIGVTALRM print pass nostop" +# gdb_test "handle SIGPROF print pass nostop" + +# Run to the signal handler, validate the backtrace. +gdb_test "break handler" +gdb_test "continue" ".* handler .*" "continue to stepi handler" +send_gdb "bt\n" +gdb_expect_list "backtrace for nexti" ".*$gdb_prompt $" { + "\[\r\n\]+.0 \[^\r\n\]* handler " + "\[\r\n\]+.1 .signal handler called." + "\[\r\n\]+.2 \[^\r\n\]* main .*" +} + +proc advance { i } { + global gdb_prompt + + # Get us back into the handler + rerun_to_main + gdb_test "continue" ".* handler .*" "continue to handler for $i" + + set test "$i out of handler" + gdb_test_multiple "$i" "${test}" { + -re "done = 1;.*${gdb_prompt} $" { + send_gdb "$i\n" + exp_continue + } + -re "\} .. handler .*${gdb_prompt} $" { + send_gdb "$i\n" + exp_continue + } + -re "Program exited normally.*${gdb_prompt} $" { + kfail gdb/1613 "$test (Program exited normally)" + } + -re "while ..done.*${gdb_prompt} $" { + # After stepping out of a function, GDB might find that + # the inferior is already at the first instruction of this + # line. + pass "$test" + } + -re "return 0.*${gdb_prompt} $" { + # After stepping out of a function, GDB will advance the + # inferior to the start of the next line. + pass "$test" + } + } +} + +proc advancei { i } { + global gdb_prompt + set program_exited 0 + + # Get us back into the handler + rerun_to_main + gdb_test "continue" ".* handler .*" "continue to handler for $i" + + set test "$i into signal trampoline" + gdb_test_multiple "$i" "${test}" { + -re "done = 1;.*${gdb_prompt} $" { + send_gdb "$i\n" + exp_continue + } + -re "\} .. handler .*${gdb_prompt} $" { + send_gdb "$i\n" + exp_continue + } + -re "signal handler called.*${gdb_prompt} $" { + pass "$test" + } + -re "Program exited normally.*${gdb_prompt} $" { + kfail gdb/1613 "$test (Program exited normally)" + set program_exited 1 + } + -re "main .*${gdb_prompt} $" { + fail "$test (in main)" + } + -re "Make handler return now.*y or n. $" { + send_gdb "y\n" + exp_continue + } + } + + set test "$i out of signal trampoline" + gdb_test_multiple "$i" "${test}" { + -re "while .*${gdb_prompt} $" { + pass "$test (in main)" + } + -re "signal handler called.*${gdb_prompt} $" { + send_gdb "$i\n" + exp_continue + } + -re "return .*${gdb_prompt} $" { + fail "$test (stepped)" + } + -re "Make .*frame return now.*y or n. $" { + send_gdb "y\n" + exp_continue + } + -re "The program is not being run.*${gdb_prompt} $" { + if { $program_exited } { + # Previously kfailed with an exit + pass "$test (The program is not being run)" + } else { + fail "$test" + } + } + } +} + +advance step +advancei stepi + +advance next +advancei nexti + +advancei finish +advancei return |