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1 | # Copyright 2004, 2007-2008, 2010-2012 Free Software Foundation, Inc. |
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 | ||
24 | if { ! [istarget "i?86-*-linux*"] | |
25 | && ! [istarget "x86_64-*-linux*"] | |
26 | && ! [istarget "arm*-*-linux*"] } { | |
27 | verbose "Skipping siginfo-thread.exp because of lack of support." | |
28 | return | |
29 | } | |
30 | ||
31 | standard_testfile .c | |
32 | ||
33 | if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" \ | |
34 | "${binfile}" executable {debug}] != "" } { | |
35 | return -1 | |
36 | } | |
37 | ||
38 | clean_restart $binfile | |
39 | ||
40 | # Advance to main | |
41 | if { ![runto_main] } then { | |
42 | gdb_suppress_tests | |
43 | } | |
44 | ||
45 | # Run to the signal. | |
46 | gdb_test "continue" ".*Program received signal SIGSEGV.*" "continue to signal" | |
47 | ||
48 | # Try to generate a core file, for a later test. | |
49 | set gcorefile [standard_output_file $testfile.gcore] | |
50 | set gcore_created [gdb_gcore_cmd $gcorefile "save a core file"] | |
51 | ||
52 | set ssi_addr "" | |
53 | set test "Extract si_addr" | |
54 | gdb_test_multiple "p \$_siginfo" "$test" { | |
55 | -re "si_addr = ($hex).*$gdb_prompt $" { | |
56 | set ssi_addr $expect_out(1,string) | |
57 | pass "$test" | |
58 | } | |
59 | } | |
60 | ||
61 | set test "Extract si_errno" | |
62 | gdb_test_multiple "p \$_siginfo" "$test" { | |
63 | -re "si_errno = (\[0-9\]\+).*$gdb_prompt $" { | |
64 | set ssi_errno $expect_out(1,string) | |
65 | pass "$test" | |
66 | } | |
67 | } | |
68 | ||
69 | set test "Extract si_code" | |
70 | gdb_test_multiple "p \$_siginfo" "$test" { | |
71 | -re "si_code = (\[0-9\]\+).*$gdb_prompt $" { | |
72 | set ssi_code $expect_out(1,string) | |
73 | pass "$test" | |
74 | } | |
75 | } | |
76 | ||
77 | set test "Extract si_signo" | |
78 | gdb_test_multiple "p \$_siginfo" "$test" { | |
79 | -re "si_signo = (\[0-9\]\+).*$gdb_prompt $" { | |
80 | set ssi_signo $expect_out(1,string) | |
81 | pass "$test" | |
82 | } | |
83 | } | |
84 | ||
85 | set bp_location [gdb_get_line_number "set breakpoint here"] | |
86 | ||
87 | gdb_test "break $bp_location" | |
88 | gdb_test "continue" ".* handler .*" "continue to handler" | |
89 | ||
90 | gdb_test "p ssi_addr" " = \\(void \\*\\) $ssi_addr" | |
91 | gdb_test "p ssi_errno" " = $ssi_errno" | |
92 | gdb_test "p ssi_code" " = $ssi_code" | |
93 | gdb_test "p ssi_signo" " = $ssi_signo" | |
94 | ||
95 | gdb_test "thread 1" ".*" | |
96 | # siginfo is available here -- it shows SIGSTOP -- so we test to make | |
97 | # sure that we have a different signal from the SEGV thread. | |
98 | gdb_test "p \$_siginfo.si_signo == $ssi_signo" " = 0" \ | |
99 | "test signal in main thread" | |
100 | ||
101 | # Test siginfo preservation in core files. | |
102 | if {$gcore_created} { | |
103 | clean_restart $binfile | |
104 | ||
105 | gdb_test "core $gcorefile" "Core was generated by.*" \ | |
106 | "core [file tail $gcorefile]" | |
107 | ||
108 | gdb_test "p \$_siginfo.si_signo" " = $ssi_signo" \ | |
109 | "p \$_siginfo.si_signo from core file" | |
110 | gdb_test "p \$_siginfo.si_errno" " = $ssi_errno" \ | |
111 | "p \$_siginfo.si_errno from core file" | |
112 | gdb_test "p \$_siginfo.si_code" " = $ssi_code" \ | |
113 | "p \$_siginfo.si_code from core file" | |
114 | gdb_test "p \$_siginfo._sifields._sigfault.si_addr" \ | |
115 | " = \\(void \\*\\) $ssi_addr" \ | |
116 | "p \$_siginfo._sifields._sigfault.si_addr from core file" | |
117 | ||
118 | # We don't know which thread will be signalled, so we simply | |
119 | # ensure that only one thread got a SEGV. | |
120 | gdb_test_no_output "set variable \$count = 0" | |
121 | foreach thread {1 2} { | |
122 | gdb_test "thread $thread" ".*" "select thread $thread with core file" | |
123 | gdb_test_no_output \ | |
124 | "set variable \$count += (\$_siginfo.si_signo == $ssi_signo)" \ | |
125 | "update counter in thread $thread" | |
126 | } | |
127 | gdb_test "print \$count" " = 1" | |
128 | } |