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28e7fd62 | 1 | # Copyright 2004-2013 Free Software Foundation, Inc. |
4aa995e1 PA |
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 | # The program siginfo-obj.c arranges for a signal handler registered | |
18 | # using sigaction's sa_sigaction / SA_SIGINFO to be called with | |
19 | # si_addr filled in. | |
20 | ||
21 | # This test confirms that we can inspect signal info using the | |
22 | # $_siginfo convenience variable. | |
23 | ||
24 | if [target_info exists gdb,nosignals] { | |
25 | verbose "Skipping siginfo-obj.exp because of nosignals." | |
26 | continue | |
27 | } | |
28 | ||
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." | |
33 | return | |
34 | } | |
35 | ||
4aa995e1 PA |
36 | |
37 | set testfile siginfo-obj | |
38 | set srcfile ${testfile}.c | |
39 | set binfile ${objdir}/${subdir}/${testfile} | |
40 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
41 | untested "Couldn't compile ${srcfile}.c" | |
42 | return -1 | |
43 | } | |
44 | ||
45 | # get things started | |
46 | gdb_exit | |
47 | gdb_start | |
48 | gdb_reinitialize_dir $srcdir/$subdir | |
49 | gdb_load ${binfile} | |
50 | ||
51 | # Advance to main | |
52 | if { ![runto_main] } then { | |
4ec70201 | 53 | gdb_suppress_tests |
4aa995e1 PA |
54 | } |
55 | ||
56 | # Run to the signal. | |
57 | gdb_test "continue" ".*Program received signal SIGSEGV.*" "continue to signal" | |
58 | ||
9015683b TT |
59 | # Try to generate a core file, for a later test. |
60 | set gcorefile [standard_output_file $testfile.gcore] | |
61 | set gcore_created [gdb_gcore_cmd $gcorefile "save a core file"] | |
62 | ||
4aa995e1 PA |
63 | set ssi_addr "" |
64 | set test "Extract si_addr" | |
65 | gdb_test_multiple "p \$_siginfo" "$test" { | |
66 | -re "si_addr = ($hex).*$gdb_prompt $" { | |
67 | set ssi_addr $expect_out(1,string) | |
68 | pass "$test" | |
69 | } | |
70 | } | |
71 | ||
72 | set test "Extract si_errno" | |
73 | gdb_test_multiple "p \$_siginfo" "$test" { | |
74 | -re "si_errno = (\[0-9\]\+).*$gdb_prompt $" { | |
75 | set ssi_errno $expect_out(1,string) | |
76 | pass "$test" | |
77 | } | |
78 | } | |
79 | ||
80 | set test "Extract si_code" | |
81 | gdb_test_multiple "p \$_siginfo" "$test" { | |
82 | -re "si_code = (\[0-9\]\+).*$gdb_prompt $" { | |
83 | set ssi_code $expect_out(1,string) | |
84 | pass "$test" | |
85 | } | |
86 | } | |
87 | ||
88 | set test "Extract si_signo" | |
89 | gdb_test_multiple "p \$_siginfo" "$test" { | |
90 | -re "si_signo = (\[0-9\]\+).*$gdb_prompt $" { | |
91 | set ssi_signo $expect_out(1,string) | |
92 | pass "$test" | |
93 | } | |
94 | } | |
95 | ||
96 | set bp_location [gdb_get_line_number "set breakpoint here"] | |
97 | ||
98 | gdb_test "break $bp_location" | |
99 | gdb_test "continue" ".* handler .*" "continue to handler" | |
100 | ||
101 | gdb_test "p ssi_addr" " = \\(void \\*\\) $ssi_addr" | |
102 | gdb_test "p ssi_errno" " = $ssi_errno" | |
103 | gdb_test "p ssi_code" " = $ssi_code" | |
104 | gdb_test "p ssi_signo" " = $ssi_signo" | |
105 | ||
106 | # Again, but this time, patch si_addr and check that the inferior sees | |
107 | # the changed value. | |
108 | ||
109 | # Advance to main | |
110 | if { ![runto_main] } then { | |
4ec70201 | 111 | gdb_suppress_tests |
4aa995e1 PA |
112 | } |
113 | ||
114 | # Run to the signal. | |
115 | gdb_test "continue" ".*Program received signal SIGSEGV.*" "continue to signal" | |
116 | ||
117 | set test "Set si_addr" | |
118 | gdb_test "p \$_siginfo._sifields._sigfault.si_addr = 0x666" " = \\(void \\*\\) 0x666" | |
119 | gdb_test "p \$_siginfo.si_errno = 666" " = 666" | |
120 | gdb_test "p \$_siginfo.si_code = 999" " = 999" | |
121 | gdb_test "p \$_siginfo.si_signo = 11" " = 11" | |
122 | ||
123 | gdb_test "break $bp_location" | |
124 | gdb_test "continue" ".* handler .*" "continue to handler" | |
125 | ||
126 | gdb_test "p ssi_addr" " = \\(void \\*\\) 0x666" | |
127 | gdb_test "p ssi_errno" " = 666" | |
128 | gdb_test "p ssi_code" " = 999" | |
129 | gdb_test "p ssi_signo" " = 11" | |
9015683b TT |
130 | |
131 | # Test siginfo preservation in core files. | |
132 | if {$gcore_created} { | |
133 | clean_restart $binfile | |
134 | ||
135 | gdb_test "core $gcorefile" "Core was generated by.*" \ | |
136 | "core [file tail $gcorefile]" | |
137 | ||
138 | gdb_test "p \$_siginfo.si_signo" " = $ssi_signo" \ | |
139 | "p \$_siginfo.si_signo from core file" | |
140 | gdb_test "p \$_siginfo.si_errno" " = $ssi_errno" \ | |
141 | "p \$_siginfo.si_errno from core file" | |
142 | gdb_test "p \$_siginfo.si_code" " = $ssi_code" \ | |
143 | "p \$_siginfo.si_code from core file" | |
144 | gdb_test "p \$_siginfo._sifields._sigfault.si_addr" \ | |
145 | " = \\(void \\*\\) $ssi_addr" \ | |
146 | "p \$_siginfo._sifields._sigfault.si_addr from core file" | |
147 | } |