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Diffstat (limited to 'gdb/testsuite/gdb.base/siginfo.exp')
-rw-r--r-- | gdb/testsuite/gdb.base/siginfo.exp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/siginfo.exp b/gdb/testsuite/gdb.base/siginfo.exp new file mode 100644 index 00000000000..a081ab8e887 --- /dev/null +++ b/gdb/testsuite/gdb.base/siginfo.exp @@ -0,0 +1,98 @@ +# 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 siginfo.c creates a backtrace containing a signal +# handler registered using sigaction's sa_sigaction / SA_SIGINFO. +# Some OS's (e.g., GNU/Linux) use different signal trampolines for +# sa_sigaction and sa_handler. + +# This test first confirms that GDB can backtrace through the +# alternative sa_sigaction signal handler, and second that GDB can +# nexti/stepi out of such a handler. + +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 siginfo +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 .*" +} + +# Check that GDB can step the inferior back to main +set test "step out of handler" +gdb_test_multiple "step" "${test}" { + -re "done = 1;.*${gdb_prompt} $" { + send_gdb "$i\n" + exp_continue + } + -re "\} .. handler .*${gdb_prompt} $" { + send_gdb "step\n" + exp_continue + } + -re "Program exited normally.*${gdb_prompt} $" { + kfail gdb/1613 "$test (program exited)" + } + -re "(while ..done|return 0).*${gdb_prompt} $" { + # After stepping out of a function /r signal-handler, GDB will + # advance the inferior until it is at the first instruction of + # a code-line. While typically things return to the middle of + # the "while..." (and hence GDB advances the inferior to the + # "return..." line) it is also possible for the return to land + # on the first instruction of "while...". Accept both cases. + pass "$test" + } +} |