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# Copyright 2009-2019 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 3 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, see <http://www.gnu.org/licenses/>.
if [target_info exists gdb,nosignals] {
verbose "Skipping sigall-precsave.exp because of nosignals."
return
}
if ![supports_reverse] {
return
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
standard_testfile sigall-reverse.c
set precsave [standard_output_file sigall.precsave]
if {[build_executable $testfile.exp $testfile $srcfile debug] == -1} {
return -1
}
proc test_one_sig {nextsig} {
global sig_supported
global gdb_prompt
global thissig
set this_sig_supported $sig_supported
gdb_test "handle SIG$thissig stop print" \
"SIG$thissig\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes.*"
gdb_test "b handle_$thissig" "Breakpoint \[0-9\]+ .*"
gdb_test "b gen_$nextsig" "Breakpoint \[0-9\]+ .*"
set need_another_continue 1
set missed_handler 0
if $this_sig_supported then {
if { $thissig == "IO" } {
setup_xfail "i*86-pc-linuxoldld-gnu" "i*86-pc-linuxaout-gnu"
}
set testmsg "get signal $thissig"
gdb_test_multiple "continue" $testmsg {
-re "Program received signal SIG$thissig.*handle_$thissig.*$gdb_prompt $" {
fail "$testmsg (wrong location)"
}
-re "Program received signal SIG$thissig.*$gdb_prompt $" {
pass $testmsg
}
-re "Breakpoint.* handle_$thissig.*$gdb_prompt $" {
xfail $testmsg
set need_another_continue 0
}
}
}
if $need_another_continue then {
if { $thissig == "URG" } {
setup_xfail "i*86-pc-linuxoldld-gnu" "i*86-pc-linuxaout-gnu"
}
# Either Lynx or GDB screws up on SIGPRIO
if { $thissig == "PRIO" } {
setup_xfail "*-*-*lynx*"
}
set testmsg "send signal $thissig"
gdb_test_multiple "continue" $testmsg {
-re "Breakpoint.*handle_$thissig.*$gdb_prompt $" {
pass $testmsg
}
-re "Breakpoint.*gen_$nextsig.*kill.*$gdb_prompt $" {
fail "missed breakpoint at handle_$thissig"
set missed_handler 1
}
}
}
if { $missed_handler == "0" } then {
set testmsg "advance to $nextsig"
gdb_test_multiple "signal 0" $testmsg {
-re "Breakpoint.*gen_$nextsig.*kill.*$gdb_prompt $" {
pass $testmsg
set sig_supported 1
}
-re "Breakpoint.*gen_$nextsig.*handle.*$gdb_prompt $" {
pass $testmsg
set sig_supported 0
}
}
}
set thissig $nextsig
}
proc test_one_sig_reverse {prevsig} {
global gdb_prompt
gdb_test "reverse-continue" "Breakpoint .* handle_$prevsig.*" \
"reverse to handler of $prevsig"
set saw_signal 0
set testmsg "reverse to gen_$prevsig"
gdb_test_multiple "reverse-continue" $testmsg {
-re "Breakpoint.*handle_.*$gdb_prompt " {
pass "$testmsg (un-handled)"
}
-re "Program received signal SIG$prevsig.*$gdb_prompt " {
pass "reverse to signal event, $prevsig"
set nested_testmsg "reverse signal $prevsig delivered"
gdb_test_multiple "frame" $nested_testmsg {
-re ".*handle_$prevsig.*$gdb_prompt " {
fail "$nested_testmsg (wrong location)"
}
-re ".*$gdb_prompt " {
pass $nested_testmsg
}
}
set saw_signal 1
send_gdb "reverse-continue\n"
exp_continue
}
-re "Breakpoint.*kill.*$gdb_prompt " {
if { $saw_signal } then {
pass "$testmsg (handled)"
} else {
xfail "$testmsg (handled)"
}
}
-re "No more reverse-execution history.*kill.*$gdb_prompt " {
if { $saw_signal } then {
pass "$testmsg (handled)"
} else {
xfail "$testmsg (handled)"
}
}
}
}
gdb_load $binfile
runto gen_ABRT
if [supports_process_record] {
# Activate process record/replay
gdb_test_no_output "record" "turn on process record"
}
# Run until end, then save execution log.
set breakloc [gdb_get_line_number "end of main" "$srcfile"]
gdb_test "break $breakloc" \
"Breakpoint $decimal at .*$srcfile, line $breakloc\." \
"breakpoint at end of main"
# Signal handlers must be disabled
gdb_test "handle all nostop noprint"
# The list of signals that the program generates, in the order they
# are generated.
set signals {
ABRT
HUP
QUIT
ILL
EMT
FPE
BUS
SEGV
SYS
PIPE
ALRM
URG
TSTP
CONT
CHLD
TTIN
TTOU
IO
XCPU
XFSZ
VTALRM
PROF
WINCH
LOST
USR1
USR2
PWR
POLL
WIND
PHONE
WAITING
LWP
DANGER
GRANT
RETRACT
MSG
SOUND
SAK
PRIO
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TERM
}
# Software single-step targets can't step into signal handlers. Since
# later, when replaying the execution log, the test wants to set
# breakpoints on handlers, we need to make sure that while recording,
# GDB steps through the handlers too, so that the execution log covers
# them. Setting breakpoints in all handlers takes care of it. This
# is harmless for hardware-step targets.
foreach sig $signals {
set test "break *handle_$sig"
gdb_test_multiple $test $test {
-re "Breakpoint .*$gdb_prompt $" {
# No need to record a pass for each breakpoint.
}
}
}
gdb_test_multiple "continue" "continue" {
-re "Breakpoint .* end of main .*$gdb_prompt $" {
pass "run to end of main"
}
-re "Breakpoint .* handle_.*$gdb_prompt $" {
send_gdb "continue\n"
exp_continue
}
}
delete_breakpoints
gdb_test "record save $precsave" \
"Saved core file $precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore $precsave" \
"Restored records from core file .*" \
"reload precord save file"
# Signal handlers must be re-enabled
gdb_test "handle all stop print"
# Make the first signal SIGABRT because it is always supported.
set sig_supported 1
set thissig "ABRT"
# test signal handling
with_test_prefix "sig-test-1" {
foreach sig [lrange $signals 1 end] {
test_one_sig $sig
}
}
# The last signal (SIGTERM) gets handled slightly differently because
# we are not setting up for another test.
gdb_test "handle SIGTERM stop print" \
"SIGTERM\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes.*"
gdb_test "b handle_TERM" "Breakpoint \[0-9\]+ .*"
gdb_test "continue" \
"Continuing.*Program received signal SIGTERM.*" \
"get signal TERM"
gdb_test "continue" "Breakpoint.*handle_TERM.*" "send signal TERM"
gdb_test "continue" " end of main .*" "continue to sigall exit"
foreach sig [lreverse $signals] {
test_one_sig_reverse $sig
}
# Make the first signal SIGABRT because it is always supported.
set sig_supported 1
set thissig "ABRT"
with_test_prefix "sig-test-2" {
foreach sig [lrange $signals 1 end] {
test_one_sig $sig
}
}
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