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42a4f53d | 1 | # Copyright 2004-2019 Free Software Foundation, Inc. |
9015683b TT |
2 | |
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. | |
7 | # | |
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. | |
12 | # | |
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/>. | |
15 | ||
16 | ||
17 | # Multi-threaded siginfo test. | |
18 | ||
19 | if [target_info exists gdb,nosignals] { | |
20 | verbose "Skipping siginfo-thread.exp because of nosignals." | |
21 | continue | |
22 | } | |
23 | ||
4d7be007 | 24 | if { ![supports_get_siginfo_type] } { |
9015683b TT |
25 | verbose "Skipping siginfo-thread.exp because of lack of support." |
26 | return | |
27 | } | |
28 | ||
29 | standard_testfile .c | |
30 | ||
31 | if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" \ | |
32 | "${binfile}" executable {debug}] != "" } { | |
33 | return -1 | |
34 | } | |
35 | ||
36 | clean_restart $binfile | |
37 | ||
38 | # Advance to main | |
c8ee3f04 PW |
39 | if ![runto_main] then { |
40 | fail "can't run to main" | |
41 | return 0 | |
9015683b TT |
42 | } |
43 | ||
44 | # Run to the signal. | |
f303dbd6 | 45 | gdb_test "continue" "Thread .* received signal SIGSEGV.*" "continue to signal" |
9015683b TT |
46 | |
47 | # Try to generate a core file, for a later test. | |
48 | set gcorefile [standard_output_file $testfile.gcore] | |
49 | set gcore_created [gdb_gcore_cmd $gcorefile "save a core file"] | |
50 | ||
51 | set ssi_addr "" | |
bc6c7af4 | 52 | set test "extract si_addr" |
9015683b TT |
53 | gdb_test_multiple "p \$_siginfo" "$test" { |
54 | -re "si_addr = ($hex).*$gdb_prompt $" { | |
55 | set ssi_addr $expect_out(1,string) | |
56 | pass "$test" | |
57 | } | |
58 | } | |
59 | ||
bc6c7af4 | 60 | set test "extract si_errno" |
9015683b TT |
61 | gdb_test_multiple "p \$_siginfo" "$test" { |
62 | -re "si_errno = (\[0-9\]\+).*$gdb_prompt $" { | |
63 | set ssi_errno $expect_out(1,string) | |
64 | pass "$test" | |
65 | } | |
66 | } | |
67 | ||
bc6c7af4 | 68 | set test "extract si_code" |
9015683b TT |
69 | gdb_test_multiple "p \$_siginfo" "$test" { |
70 | -re "si_code = (\[0-9\]\+).*$gdb_prompt $" { | |
71 | set ssi_code $expect_out(1,string) | |
72 | pass "$test" | |
73 | } | |
74 | } | |
75 | ||
bc6c7af4 | 76 | set test "extract si_signo" |
9015683b TT |
77 | gdb_test_multiple "p \$_siginfo" "$test" { |
78 | -re "si_signo = (\[0-9\]\+).*$gdb_prompt $" { | |
79 | set ssi_signo $expect_out(1,string) | |
80 | pass "$test" | |
81 | } | |
82 | } | |
83 | ||
84 | set bp_location [gdb_get_line_number "set breakpoint here"] | |
85 | ||
86 | gdb_test "break $bp_location" | |
87 | gdb_test "continue" ".* handler .*" "continue to handler" | |
88 | ||
89 | gdb_test "p ssi_addr" " = \\(void \\*\\) $ssi_addr" | |
90 | gdb_test "p ssi_errno" " = $ssi_errno" | |
91 | gdb_test "p ssi_code" " = $ssi_code" | |
92 | gdb_test "p ssi_signo" " = $ssi_signo" | |
93 | ||
94 | gdb_test "thread 1" ".*" | |
95 | # siginfo is available here -- it shows SIGSTOP -- so we test to make | |
96 | # sure that we have a different signal from the SEGV thread. | |
97 | gdb_test "p \$_siginfo.si_signo == $ssi_signo" " = 0" \ | |
98 | "test signal in main thread" | |
99 | ||
100 | # Test siginfo preservation in core files. | |
101 | if {$gcore_created} { | |
102 | clean_restart $binfile | |
103 | ||
104 | gdb_test "core $gcorefile" "Core was generated by.*" \ | |
105 | "core [file tail $gcorefile]" | |
106 | ||
107 | gdb_test "p \$_siginfo.si_signo" " = $ssi_signo" \ | |
108 | "p \$_siginfo.si_signo from core file" | |
109 | gdb_test "p \$_siginfo.si_errno" " = $ssi_errno" \ | |
110 | "p \$_siginfo.si_errno from core file" | |
111 | gdb_test "p \$_siginfo.si_code" " = $ssi_code" \ | |
112 | "p \$_siginfo.si_code from core file" | |
113 | gdb_test "p \$_siginfo._sifields._sigfault.si_addr" \ | |
114 | " = \\(void \\*\\) $ssi_addr" \ | |
115 | "p \$_siginfo._sifields._sigfault.si_addr from core file" | |
116 | ||
117 | # We don't know which thread will be signalled, so we simply | |
118 | # ensure that only one thread got a SEGV. | |
119 | gdb_test_no_output "set variable \$count = 0" | |
120 | foreach thread {1 2} { | |
121 | gdb_test "thread $thread" ".*" "select thread $thread with core file" | |
122 | gdb_test_no_output \ | |
123 | "set variable \$count += (\$_siginfo.si_signo == $ssi_signo)" \ | |
124 | "update counter in thread $thread" | |
125 | } | |
126 | gdb_test "print \$count" " = 1" | |
127 | } |