| 1 | # Copyright 2004-2016 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 { ![supports_get_siginfo_type] } { |
| 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 |
| 39 | if { ![runto_main] } then { |
| 40 | gdb_suppress_tests |
| 41 | } |
| 42 | |
| 43 | # Run to the signal. |
| 44 | gdb_test "continue" "Thread .* received signal SIGSEGV.*" "continue to signal" |
| 45 | |
| 46 | # Try to generate a core file, for a later test. |
| 47 | set gcorefile [standard_output_file $testfile.gcore] |
| 48 | set gcore_created [gdb_gcore_cmd $gcorefile "save a core file"] |
| 49 | |
| 50 | set ssi_addr "" |
| 51 | set test "Extract si_addr" |
| 52 | gdb_test_multiple "p \$_siginfo" "$test" { |
| 53 | -re "si_addr = ($hex).*$gdb_prompt $" { |
| 54 | set ssi_addr $expect_out(1,string) |
| 55 | pass "$test" |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | set test "Extract si_errno" |
| 60 | gdb_test_multiple "p \$_siginfo" "$test" { |
| 61 | -re "si_errno = (\[0-9\]\+).*$gdb_prompt $" { |
| 62 | set ssi_errno $expect_out(1,string) |
| 63 | pass "$test" |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | set test "Extract si_code" |
| 68 | gdb_test_multiple "p \$_siginfo" "$test" { |
| 69 | -re "si_code = (\[0-9\]\+).*$gdb_prompt $" { |
| 70 | set ssi_code $expect_out(1,string) |
| 71 | pass "$test" |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | set test "Extract si_signo" |
| 76 | gdb_test_multiple "p \$_siginfo" "$test" { |
| 77 | -re "si_signo = (\[0-9\]\+).*$gdb_prompt $" { |
| 78 | set ssi_signo $expect_out(1,string) |
| 79 | pass "$test" |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | set bp_location [gdb_get_line_number "set breakpoint here"] |
| 84 | |
| 85 | gdb_test "break $bp_location" |
| 86 | gdb_test "continue" ".* handler .*" "continue to handler" |
| 87 | |
| 88 | gdb_test "p ssi_addr" " = \\(void \\*\\) $ssi_addr" |
| 89 | gdb_test "p ssi_errno" " = $ssi_errno" |
| 90 | gdb_test "p ssi_code" " = $ssi_code" |
| 91 | gdb_test "p ssi_signo" " = $ssi_signo" |
| 92 | |
| 93 | gdb_test "thread 1" ".*" |
| 94 | # siginfo is available here -- it shows SIGSTOP -- so we test to make |
| 95 | # sure that we have a different signal from the SEGV thread. |
| 96 | gdb_test "p \$_siginfo.si_signo == $ssi_signo" " = 0" \ |
| 97 | "test signal in main thread" |
| 98 | |
| 99 | # Test siginfo preservation in core files. |
| 100 | if {$gcore_created} { |
| 101 | clean_restart $binfile |
| 102 | |
| 103 | gdb_test "core $gcorefile" "Core was generated by.*" \ |
| 104 | "core [file tail $gcorefile]" |
| 105 | |
| 106 | gdb_test "p \$_siginfo.si_signo" " = $ssi_signo" \ |
| 107 | "p \$_siginfo.si_signo from core file" |
| 108 | gdb_test "p \$_siginfo.si_errno" " = $ssi_errno" \ |
| 109 | "p \$_siginfo.si_errno from core file" |
| 110 | gdb_test "p \$_siginfo.si_code" " = $ssi_code" \ |
| 111 | "p \$_siginfo.si_code from core file" |
| 112 | gdb_test "p \$_siginfo._sifields._sigfault.si_addr" \ |
| 113 | " = \\(void \\*\\) $ssi_addr" \ |
| 114 | "p \$_siginfo._sifields._sigfault.si_addr from core file" |
| 115 | |
| 116 | # We don't know which thread will be signalled, so we simply |
| 117 | # ensure that only one thread got a SEGV. |
| 118 | gdb_test_no_output "set variable \$count = 0" |
| 119 | foreach thread {1 2} { |
| 120 | gdb_test "thread $thread" ".*" "select thread $thread with core file" |
| 121 | gdb_test_no_output \ |
| 122 | "set variable \$count += (\$_siginfo.si_signo == $ssi_signo)" \ |
| 123 | "update counter in thread $thread" |
| 124 | } |
| 125 | gdb_test "print \$count" " = 1" |
| 126 | } |