gdb/testsuite/gdb.base/catch-signal-siginfo-cond.exp

   1 # Copyright 2015-2018 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 # Regression test for PR19388.  Make sure we can access $_siginfo in a
  17 # "catch signal" condition.  A buggy GDB would fail with:
  18 #
  19 # (gdb) continue
  20 # Continuing.
  21 # Error in testing breakpoint condition:
  22 # Selected thread is running.
  23 #
  24 # Catchpoint 3 (signal SIGUSR1), 0x0000003615e35877 in __GI_raise (sig=10) at raise.c:56
  25 # 56        return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
  26 # (gdb) FAIL: gdb.base/catch-signal-siginfo-cond.exp: continue
  27
  28 if [target_info exists gdb,nosignals] {
  29     verbose "Skipping catch-signal-siginfo-cond.exp because of nosignals."
  30     return -1
  31 }
  32
  33 if { ![supports_get_siginfo_type] } {
  34     verbose "Skipping catch-signal-siginfo-cond.exp because of lack of support."
  35     return -1
  36 }
  37
  38 standard_testfile
  39
  40 if { [prepare_for_testing "failed to prepare" "${testfile}" $srcfile {debug}] } {
  41     return -1
  42 }
  43
  44 if ![runto_main] then {
  45     fail "can't run to main"
  46     return -1
  47 }
  48
  49 gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
  50
  51 gdb_test "catch signal"
  52
  53 # It's OK to refer to standard Unix signal numbers 1-15 by number.
  54
  55 # SIGUSR1 == 10.  The catchpoint should not cause a stop.
  56 gdb_test "condition \$bpnum \$_siginfo.si_signo == 11"
  57 gdb_test "continue" "set breakpoint here.*" "continue: catchpoint does not trigger"
  58
  59 # This time the catchpoint should cause a stop.
  60 gdb_test "condition \$bpnum \$_siginfo.si_signo == 10"
  61 gdb_test "continue" "Catchpoint .*signal SIGUSR1.*" "continue: catchpoint triggers"