1 # Copyright 2004-2014 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # The program siginfo-obj.c arranges for a signal handler registered
18 # using sigaction's sa_sigaction / SA_SIGINFO to be called with
21 # This test confirms that we can inspect signal info using the
22 # $_siginfo convenience variable.
24 if [target_info exists gdb,nosignals] {
25 verbose "Skipping siginfo-obj.exp because of nosignals."
29 if { ! [istarget "i?86-*-linux*"]
30 && ! [istarget "x86_64-*-linux*"]
31 && ! [istarget "arm*-*-linux*"] } {
32 verbose "Skipping siginfo-obj.exp because of lack of support."
39 if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} {
40 untested $testfile.exp
45 if { ![runto_main] } then {
50 gdb_test "continue" ".*Program received signal SIGSEGV.*" "continue to signal"
52 # Try to generate a core file, for a later test.
53 set gcorefile [standard_output_file $testfile.gcore]
54 set gcore_created [gdb_gcore_cmd $gcorefile "save a core file"]
57 set test "Extract si_addr"
58 gdb_test_multiple "p \$_siginfo" "$test" {
59 -re "si_addr = ($hex).*$gdb_prompt $" {
60 set ssi_addr $expect_out(1,string)
65 set test "Extract si_errno"
66 gdb_test_multiple "p \$_siginfo" "$test" {
67 -re "si_errno = (\[0-9\]\+).*$gdb_prompt $" {
68 set ssi_errno $expect_out(1,string)
73 set test "Extract si_code"
74 gdb_test_multiple "p \$_siginfo" "$test" {
75 -re "si_code = (\[0-9\]\+).*$gdb_prompt $" {
76 set ssi_code $expect_out(1,string)
81 set test "Extract si_signo"
82 gdb_test_multiple "p \$_siginfo" "$test" {
83 -re "si_signo = (\[0-9\]\+).*$gdb_prompt $" {
84 set ssi_signo $expect_out(1,string)
89 set bp_location [gdb_get_line_number "set breakpoint here"]
91 gdb_test "break $bp_location"
92 gdb_test "continue" ".* handler .*" "continue to handler"
94 gdb_test "p ssi_addr" " = \\(void \\*\\) $ssi_addr"
95 gdb_test "p ssi_errno" " = $ssi_errno"
96 gdb_test "p ssi_code" " = $ssi_code"
97 gdb_test "p ssi_signo" " = $ssi_signo"
99 # Again, but this time, patch si_addr and check that the inferior sees
103 if { ![runto_main] } then {
108 gdb_test "continue" ".*Program received signal SIGSEGV.*" "continue to signal"
110 set test "Set si_addr"
111 gdb_test "p \$_siginfo._sifields._sigfault.si_addr = 0x666" " = \\(void \\*\\) 0x666"
112 gdb_test "p \$_siginfo.si_errno = 666" " = 666"
113 gdb_test "p \$_siginfo.si_code = 999" " = 999"
114 gdb_test "p \$_siginfo.si_signo = 11" " = 11"
116 gdb_test "break $bp_location"
117 gdb_test "continue" ".* handler .*" "continue to handler"
119 gdb_test "p ssi_addr" " = \\(void \\*\\) 0x666"
120 gdb_test "p ssi_errno" " = 666"
121 gdb_test "p ssi_code" " = 999"
122 gdb_test "p ssi_signo" " = 11"
124 # Test siginfo preservation in core files.
125 if {$gcore_created} {
126 clean_restart $binfile
128 gdb_test "core $gcorefile" "Core was generated by.*" \
129 "core [file tail $gcorefile]"
131 gdb_test "p \$_siginfo.si_signo" " = $ssi_signo" \
132 "p \$_siginfo.si_signo from core file"
133 gdb_test "p \$_siginfo.si_errno" " = $ssi_errno" \
134 "p \$_siginfo.si_errno from core file"
135 gdb_test "p \$_siginfo.si_code" " = $ssi_code" \
136 "p \$_siginfo.si_code from core file"
137 gdb_test "p \$_siginfo._sifields._sigfault.si_addr" \
138 " = \\(void \\*\\) $ssi_addr" \
139 "p \$_siginfo._sifields._sigfault.si_addr from core file"