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1d506c26 | 1 | # Copyright 2004-2024 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 | ||
450d26c8 | 24 | require {!target_info exists gdb,nosignals} |
4aa995e1 | 25 | |
5f3ef828 | 26 | require supports_get_siginfo_type |
4aa995e1 | 27 | |
4aa995e1 | 28 | |
0ab77f5f TT |
29 | standard_testfile |
30 | ||
5b362f04 | 31 | if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} { |
4aa995e1 PA |
32 | return -1 |
33 | } | |
34 | ||
4aa995e1 | 35 | # Advance to main |
65a33d75 | 36 | if {![runto_main]} { |
c8ee3f04 | 37 | return 0 |
4aa995e1 PA |
38 | } |
39 | ||
40 | # Run to the signal. | |
c2b75043 LM |
41 | gdb_test "continue" ".*Program received signal SIGSEGV.*" \ |
42 | "continue to signal, 1st" | |
4aa995e1 | 43 | |
9015683b TT |
44 | # Try to generate a core file, for a later test. |
45 | set gcorefile [standard_output_file $testfile.gcore] | |
46 | set gcore_created [gdb_gcore_cmd $gcorefile "save a core file"] | |
47 | ||
4aa995e1 | 48 | set ssi_addr "" |
bc6c7af4 | 49 | set test "extract si_addr" |
4aa995e1 PA |
50 | gdb_test_multiple "p \$_siginfo" "$test" { |
51 | -re "si_addr = ($hex).*$gdb_prompt $" { | |
52 | set ssi_addr $expect_out(1,string) | |
53 | pass "$test" | |
54 | } | |
55 | } | |
56 | ||
bc6c7af4 | 57 | set test "extract si_errno" |
4aa995e1 PA |
58 | gdb_test_multiple "p \$_siginfo" "$test" { |
59 | -re "si_errno = (\[0-9\]\+).*$gdb_prompt $" { | |
60 | set ssi_errno $expect_out(1,string) | |
61 | pass "$test" | |
62 | } | |
63 | } | |
64 | ||
bc6c7af4 | 65 | set test "extract si_code" |
4aa995e1 PA |
66 | gdb_test_multiple "p \$_siginfo" "$test" { |
67 | -re "si_code = (\[0-9\]\+).*$gdb_prompt $" { | |
68 | set ssi_code $expect_out(1,string) | |
69 | pass "$test" | |
70 | } | |
71 | } | |
72 | ||
bc6c7af4 | 73 | set test "extract si_signo" |
4aa995e1 PA |
74 | gdb_test_multiple "p \$_siginfo" "$test" { |
75 | -re "si_signo = (\[0-9\]\+).*$gdb_prompt $" { | |
76 | set ssi_signo $expect_out(1,string) | |
77 | pass "$test" | |
78 | } | |
79 | } | |
80 | ||
81 | set bp_location [gdb_get_line_number "set breakpoint here"] | |
82 | ||
c2b75043 LM |
83 | with_test_prefix "validate siginfo fields" { |
84 | gdb_test "break $bp_location" | |
85 | gdb_test "continue" ".* handler .*" "continue to handler" | |
86 | gdb_test "p ssi_addr" " = \\(void \\*\\) $ssi_addr" | |
87 | gdb_test "p ssi_errno" " = $ssi_errno" | |
88 | gdb_test "p ssi_code" " = $ssi_code" | |
89 | gdb_test "p ssi_signo" " = $ssi_signo" | |
90 | } | |
4aa995e1 PA |
91 | |
92 | # Again, but this time, patch si_addr and check that the inferior sees | |
93 | # the changed value. | |
94 | ||
95 | # Advance to main | |
65a33d75 | 96 | if {![runto_main]} { |
c8ee3f04 | 97 | return 0 |
4aa995e1 PA |
98 | } |
99 | ||
100 | # Run to the signal. | |
c2b75043 LM |
101 | gdb_test "continue" ".*Program received signal SIGSEGV.*" \ |
102 | "continue to signal, 2nd" | |
4aa995e1 | 103 | |
bc6c7af4 | 104 | set test "set si_addr" |
4aa995e1 PA |
105 | gdb_test "p \$_siginfo._sifields._sigfault.si_addr = 0x666" " = \\(void \\*\\) 0x666" |
106 | gdb_test "p \$_siginfo.si_errno = 666" " = 666" | |
107 | gdb_test "p \$_siginfo.si_code = 999" " = 999" | |
108 | gdb_test "p \$_siginfo.si_signo = 11" " = 11" | |
109 | ||
c2b75043 LM |
110 | with_test_prefix "validate modified siginfo fields" { |
111 | gdb_test "break $bp_location" | |
112 | gdb_test "continue" ".* handler .*" "continue to handler" | |
113 | gdb_test "p ssi_addr" " = \\(void \\*\\) 0x666" | |
114 | gdb_test "p ssi_errno" " = 666" | |
115 | gdb_test "p ssi_code" " = 999" | |
116 | gdb_test "p ssi_signo" " = 11" | |
117 | } | |
9015683b TT |
118 | |
119 | # Test siginfo preservation in core files. | |
120 | if {$gcore_created} { | |
121 | clean_restart $binfile | |
122 | ||
123 | gdb_test "core $gcorefile" "Core was generated by.*" \ | |
124 | "core [file tail $gcorefile]" | |
125 | ||
126 | gdb_test "p \$_siginfo.si_signo" " = $ssi_signo" \ | |
127 | "p \$_siginfo.si_signo from core file" | |
128 | gdb_test "p \$_siginfo.si_errno" " = $ssi_errno" \ | |
129 | "p \$_siginfo.si_errno from core file" | |
130 | gdb_test "p \$_siginfo.si_code" " = $ssi_code" \ | |
131 | "p \$_siginfo.si_code from core file" | |
132 | gdb_test "p \$_siginfo._sifields._sigfault.si_addr" \ | |
133 | " = \\(void \\*\\) $ssi_addr" \ | |
134 | "p \$_siginfo._sifields._sigfault.si_addr from core file" | |
135 | } |