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# 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
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