gdb/testsuite/gdb.server/no-thread-db.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2012-2022 Free Software Foundation, Inc.
   4 #
   5 # Contributed by Intel Corporation.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 # Test gdbserver to handle qGetTLSAddr requests gracefully in case
  21 # libthread_db could not be loaded.
  22
  23 load_lib gdbserver-support.exp
  24
  25 standard_testfile
  26 set unresolvable_thread_db_path "/foo/bar"
  27
  28 if {[skip_gdbserver_tests]} {
  29     return 0
  30 }
  31
  32 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  33     return -1
  34 }
  35
  36 save_vars { GDBFLAGS } {
  37     # If GDB and GDBserver are both running locally, set the sysroot to avoid
  38     # reading files via the remote protocol.
  39     if { ![is_remote host] && ![is_remote target] } {
  40         set GDBFLAGS "$GDBFLAGS -ex \"set sysroot\""
  41     }
  42
  43     clean_restart ${testfile}
  44 }
  45
  46 # Make sure we're disconnected, in case we're testing with an
  47 # extended-remote board, therefore already connected.
  48 gdb_test "disconnect" ".*"
  49
  50 gdbserver_run ""
  51
  52 # Force gdbserver to fail to load libthread_db.
  53 gdb_test "monitor set libthread-db-search-path ${unresolvable_thread_db_path}" \
  54     "libthread-db-search-path set to `${unresolvable_thread_db_path}'" \
  55     "libthread-db is now unresolvable"
  56
  57 # Continue past tls assignment to make sure tls storage is allocated.
  58 gdb_breakpoint ${srcfile}:[gdb_get_line_number "after tls assignment"]
  59 gdb_continue_to_breakpoint "after tls assignment"
  60
  61 # Printing a tls variable should fail gracefully without a libthread_db.
  62 gdb_test "print foo" \
  63     "Cannot find thread-local storage for Thread \[^,\]+, executable file ${binfile}:\[\r\n\]+Remote target failed to process qGetTLSAddr request"