mirror of
https://sourceware.org/git/binutils-gdb.git
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319 lines
7.2 KiB
Plaintext
319 lines
7.2 KiB
Plaintext
# Copyright 2009-2018 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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if [target_info exists gdb,nosignals] {
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verbose "Skipping sigall-precsave.exp because of nosignals."
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return
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}
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if ![supports_reverse] {
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return
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}
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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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standard_testfile sigall-reverse.c
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set precsave [standard_output_file sigall.precsave]
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if {[build_executable $testfile.exp $testfile $srcfile debug] == -1} {
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return -1
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}
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proc test_one_sig {nextsig} {
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global sig_supported
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global gdb_prompt
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global thissig
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set this_sig_supported $sig_supported
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gdb_test "handle SIG$thissig stop print" \
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"SIG$thissig\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes.*"
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gdb_test "b handle_$thissig" "Breakpoint \[0-9\]+ .*"
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gdb_test "b gen_$nextsig" "Breakpoint \[0-9\]+ .*"
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set need_another_continue 1
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set missed_handler 0
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if $this_sig_supported then {
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if { $thissig == "IO" } {
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setup_xfail "i*86-pc-linuxoldld-gnu" "i*86-pc-linuxaout-gnu"
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}
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set testmsg "get signal $thissig"
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gdb_test_multiple "continue" $testmsg {
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-re "Program received signal SIG$thissig.*handle_$thissig.*$gdb_prompt $" {
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fail "$testmsg (wrong location)"
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}
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-re "Program received signal SIG$thissig.*$gdb_prompt $" {
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pass $testmsg
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}
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-re "Breakpoint.* handle_$thissig.*$gdb_prompt $" {
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xfail $testmsg
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set need_another_continue 0
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}
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}
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}
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if $need_another_continue then {
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if { $thissig == "URG" } {
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setup_xfail "i*86-pc-linuxoldld-gnu" "i*86-pc-linuxaout-gnu"
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}
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# Either Lynx or GDB screws up on SIGPRIO
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if { $thissig == "PRIO" } {
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setup_xfail "*-*-*lynx*"
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}
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set testmsg "send signal $thissig"
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gdb_test_multiple "continue" $testmsg {
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-re "Breakpoint.*handle_$thissig.*$gdb_prompt $" {
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pass $testmsg
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}
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-re "Breakpoint.*gen_$nextsig.*kill.*$gdb_prompt $" {
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fail "missed breakpoint at handle_$thissig"
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set missed_handler 1
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}
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}
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}
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if { $missed_handler == "0" } then {
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set testmsg "advance to $nextsig"
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gdb_test_multiple "signal 0" $testmsg {
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-re "Breakpoint.*gen_$nextsig.*kill.*$gdb_prompt $" {
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pass $testmsg
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set sig_supported 1
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}
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-re "Breakpoint.*gen_$nextsig.*handle.*$gdb_prompt $" {
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pass $testmsg
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set sig_supported 0
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}
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}
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}
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set thissig $nextsig
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}
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proc test_one_sig_reverse {prevsig} {
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global gdb_prompt
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gdb_test "reverse-continue" "Breakpoint .* handle_$prevsig.*" \
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"reverse to handler of $prevsig"
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set saw_signal 0
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set testmsg "reverse to gen_$prevsig"
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gdb_test_multiple "reverse-continue" $testmsg {
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-re "Breakpoint.*handle_.*$gdb_prompt " {
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pass "$testmsg (un-handled)"
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}
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-re "Program received signal SIG$prevsig.*$gdb_prompt " {
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pass "reverse to signal event, $prevsig"
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set nested_testmsg "reverse signal delivered"
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gdb_test_multiple "frame" $nested_testmsg {
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-re ".*handle_$prevsig.*$gdb_prompt " {
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fail "$nested_testmsg (wrong location)"
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}
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-re ".*$gdb_prompt " {
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pass $nested_testmsg
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}
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}
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set saw_signal 1
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send_gdb "reverse-continue\n"
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exp_continue
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}
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-re "Breakpoint.*kill.*$gdb_prompt " {
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if { $saw_signal } then {
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pass "$testmsg (handled)"
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} else {
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xfail "$testmsg (handled)"
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}
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}
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-re "No more reverse-execution history.*kill.*$gdb_prompt " {
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if { $saw_signal } then {
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pass "$testmsg (handled)"
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} else {
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xfail "$testmsg (handled)"
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}
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}
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}
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}
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gdb_load $binfile
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runto gen_ABRT
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if [supports_process_record] {
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# Activate process record/replay
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gdb_test_no_output "record" "turn on process record"
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}
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# Run until end, then save execution log.
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set breakloc [gdb_get_line_number "end of main" "$srcfile"]
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gdb_test "break $breakloc" \
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"Breakpoint $decimal at .*$srcfile, line $breakloc\." \
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"breakpoint at end of main"
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# Signal handlers must be disabled
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gdb_test "handle all nostop noprint"
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# The list of signals that the program generates, in the order they
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# are generated.
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set signals {
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ABRT
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HUP
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QUIT
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ILL
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EMT
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FPE
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BUS
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SEGV
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SYS
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PIPE
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ALRM
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URG
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TSTP
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CONT
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CHLD
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TTIN
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TTOU
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IO
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XCPU
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XFSZ
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VTALRM
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PROF
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WINCH
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LOST
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USR1
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USR2
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PWR
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POLL
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WIND
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PHONE
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WAITING
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LWP
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DANGER
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GRANT
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RETRACT
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MSG
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SOUND
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SAK
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PRIO
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33
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TERM
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}
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# Software single-step targets can't step into signal handlers. Since
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# later, when replaying the execution log, the test wants to set
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# breakpoints on handlers, we need to make sure that while recording,
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# GDB steps through the handlers too, so that the execution log covers
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# them. Setting breakpoints in all handlers takes care of it. This
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# is harmless for hardware-step targets.
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foreach sig $signals {
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set test "break *handle_$sig"
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gdb_test_multiple $test $test {
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-re "Breakpoint .*$gdb_prompt $" {
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# No need to record a pass for each breakpoint.
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}
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}
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}
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gdb_test_multiple "continue" "continue" {
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-re "Breakpoint .* end of main .*$gdb_prompt $" {
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pass "run to end of main"
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}
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-re "Breakpoint .* handle_.*$gdb_prompt $" {
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send_gdb "continue\n"
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exp_continue
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}
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}
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delete_breakpoints
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gdb_test "record save $precsave" \
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"Saved core file $precsave with execution log\." \
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"save process recfile"
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gdb_test "kill" "" "kill process, prepare to debug log file" \
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"Kill the program being debugged\\? \\(y or n\\) " "y"
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gdb_test "record restore $precsave" \
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"Restored records from core file .*" \
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"reload precord save file"
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# Signal handlers must be re-enabled
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gdb_test "handle all stop print"
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# Make the first signal SIGABRT because it is always supported.
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set sig_supported 1
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set thissig "ABRT"
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# test signal handling
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foreach sig [lrange $signals 1 end] {
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test_one_sig $sig
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}
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# The last signal (SIGTERM) gets handled slightly differently because
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# we are not setting up for another test.
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gdb_test "handle SIGTERM stop print" \
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"SIGTERM\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes.*"
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gdb_test "b handle_TERM" "Breakpoint \[0-9\]+ .*"
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gdb_test "continue" \
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"Continuing.*Program received signal SIGTERM.*" \
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"get signal TERM"
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gdb_test "continue" "Breakpoint.*handle_TERM.*" "send signal TERM"
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gdb_test "continue" " end of main .*" "continue to sigall exit"
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foreach sig [lreverse $signals] {
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test_one_sig_reverse $sig
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}
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# Make the first signal SIGABRT because it is always supported.
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set sig_supported 1
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set thissig "ABRT"
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foreach sig [lrange $signals 1 end] {
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test_one_sig $sig
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}
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