e22f8b7c8c
Switch the license of all .f and .f90 files to GPLv3.
Switch the license of all .s and .S files to GPLv3.
105 lines
3.3 KiB
Text
105 lines
3.3 KiB
Text
# Copyright 2004, 2007 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# The program sigaltstack.c creates a backtrace containing nested
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# signal handlers on an alternative stack. This in turn leads to a
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# non-contiguous (and possibly non-monotonic) backtrace - stack
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# address jump at the normal-alt stack boundary.
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# This test confirms that GDB can both backtrace through and finish
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# such a stack.
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if [target_info exists gdb,nosignals] {
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verbose "Skipping signals.exp because of nosignals."
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continue
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}
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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set testfile sigaltstack
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested "Couldn't compile ${srcfile}.c"
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return -1
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}
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# get things started
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# Pass all the alarms straight through (but verbosely)
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gdb_test "handle SIGALRM print pass nostop"
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gdb_test "handle SIGVTALRM print pass nostop"
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gdb_test "handle SIGPROF print pass nostop"
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# Advance to main
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if { ![runto_main] } then {
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gdb_suppress_tests;
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}
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# Stop in handle, when at the inner most level
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gdb_test "break catcher if level == INNER"
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gdb_test "continue" ".* catcher .*" "continue to catch"
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# step off the assignment
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gdb_test "next"
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# Full backtrace?
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send_gdb "bt\n"
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gdb_expect_list "backtrace" ".*$gdb_prompt $" {
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"\[\r\n\]+.0 \[^\r\n\]* catcher "
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"\[\r\n\]+.1 .signal handler called."
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"\[\r\n\]+.2 \[^\r\n\]* thrower .next_level=INNER"
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"\[\r\n\]+.3 \[^\r\n\]* catcher "
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"\[\r\n\]+.4 .signal handler called."
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"\[\r\n\]+.5 \[^\r\n\]* thrower .next_level=OUTER"
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"\[\r\n\]+.6 \[^\r\n\]* catcher "
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"\[\r\n\]+.7 \[^\r\n\]* main .*"
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}
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proc finish_test { pattern msg } {
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global gdb_prompt
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gdb_test_multiple "finish" $msg {
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-re "Cannot insert breakpoint 0.*${gdb_prompt} $" {
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# Some platforms use a special read-only page for signal
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# trampolines. We can't set a breakpoint there, and we
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# don't gracefully fall back to single-stepping.
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setup_kfail "i?86-*-linux*" gdb/1736
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setup_kfail "*-*-openbsd*" gdb/1736
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fail "$msg (could not set breakpoint)"
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}
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-re "$pattern.*${gdb_prompt} $" {
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pass $msg
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}
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}
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}
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# Finish?
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finish_test "signal handler called." "finish from catch LEAF"
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finish_test "thrower .next_level=INNER, .*" "finish to throw INNER"
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finish_test "catcher .*" "finish to catch INNER"
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finish_test "signal handler called.*" "finish from catch INNER"
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finish_test "thrower .next_level=OUTER, .*" "finish to OUTER"
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finish_test "catcher .*" "finish to catch MAIN"
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finish_test "main .*" "finish to MAIN"
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