gdb/testsuite/gdb.threads/check-libthread-db.exp

   1 # Copyright 2017-2020 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 # This test only works for native processes on GNU/Linux.
  17 if {[target_info gdb_protocol] != "" || ![istarget *-linux*]} {
  18     continue
  19 }
  20
  21 # Test relies on checking gdb debug output. Do not run if gdb debug is
  22 # enabled as any debug will be redirected to the log.
  23 if [gdb_debug_enabled] {
  24     untested "debug is enabled"
  25     return 0
  26 }
  27
  28 standard_testfile
  29
  30 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
  31          executable debug] != "" } {
  32     return -1
  33 }
  34
  35 with_test_prefix "user-initiated check" {
  36
  37     # User-initiated check with libthread_db not loaded.
  38     clean_restart ${binfile}
  39
  40     gdb_test "maint show check-libthread-db" \
  41         "Whether to check libthread_db at load time is off."
  42
  43     gdb_test_no_output "set stop-on-solib-events 1"
  44     gdb_run_cmd
  45     gdb_test "" \
  46         ".*Stopped due to shared library event.*no libraries added or removed.*"
  47
  48     gdb_test "maint check libthread-db" \
  49         "No libthread_db loaded" \
  50         "no libpthread.so loaded"
  51
  52
  53     # User-initiated check with NPTL uninitialized.
  54     # libthread_db should fake a single thread with th_unique == NULL.
  55     gdb_test "continue" \
  56         ".*Stopped due to shared library event.*Inferior loaded .*libpthread.*"
  57
  58     gdb_test_sequence "maint check libthread-db" \
  59         "libpthread.so not initialized" {
  60             "\[\r\n\]+Running libthread_db integrity checks:"
  61             "\[\r\n\]+\[ \]+Got thread 0x0 => \[0-9\]+ => 0x0 ... OK"
  62             "\[\r\n\]+libthread_db integrity checks passed."
  63         }
  64
  65     # User-initiated check with NPTL fully operational.
  66     gdb_test_no_output "set stop-on-solib-events 0"
  67     gdb_breakpoint break_here
  68     gdb_continue_to_breakpoint break_here
  69
  70     gdb_test_sequence "maint check libthread-db" \
  71         "libpthread.so fully initialized" {
  72             "\[\r\n\]+Running libthread_db integrity checks:"
  73             "\[\r\n\]+\[ \]+Got thread 0x\[1-9a-f\]\[0-9a-f\]+ => \[0-9\]+ => 0x\[1-9a-f\]\[0-9a-f\]+; errno = 23 ... OK"
  74             "\[\r\n\]+\[ \]+Got thread 0x\[1-9a-f\]\[0-9a-f\]+ => \[0-9\]+ => 0x\[1-9a-f\]\[0-9a-f\]+; errno = 42 ... OK"
  75             "\[\r\n\]+libthread_db integrity checks passed."
  76         }
  77 }
  78
  79 with_test_prefix "automated load-time check" {
  80
  81     # Automated load-time check with NPTL uninitialized.
  82     with_test_prefix "libpthread.so not initialized" {
  83         clean_restart ${binfile}
  84
  85         gdb_test_no_output "maint set check-libthread-db 1"
  86         gdb_test_no_output "set debug libthread-db 1"
  87         gdb_breakpoint break_here
  88         gdb_run_cmd
  89
  90         gdb_test_sequence "" \
  91             "check debug libthread-db output" {
  92                 "\[\r\n\]+Running libthread_db integrity checks:"
  93                 "\[\r\n\]+\[ \]+Got thread 0x0 => \[0-9\]+ => 0x0 ... OK"
  94                 "\[\r\n\]+libthread_db integrity checks passed."
  95                 "\[\r\n\]+[Thread debugging using libthread_db enabled]"
  96             }
  97     }
  98
  99     # Automated load-time check with NPTL fully operational.
 100     with_test_prefix "libpthread.so fully initialized" {
 101         clean_restart ${binfile}
 102
 103         gdb_test_no_output "maint set check-libthread-db 1"
 104         gdb_test_no_output "set debug libthread-db 1"
 105
 106         set test_spawn_id [spawn_wait_for_attach $binfile]
 107         set testpid [spawn_id_get_pid $test_spawn_id]
 108
 109         gdb_test_sequence "attach $testpid" \
 110             "check debug libthread-db output" {
 111                 "\[\r\n\]+Running libthread_db integrity checks:"
 112                 "\[\r\n\]+\[ \]+Got thread 0x\[1-9a-f\]\[0-9a-f\]+ => \[0-9\]+ => 0x\[1-9a-f\]\[0-9a-f\]+ ... OK"
 113                 "\[\r\n\]+\[ \]+Got thread 0x\[1-9a-f\]\[0-9a-f\]+ => \[0-9\]+ => 0x\[1-9a-f\]\[0-9a-f\]+ ... OK"
 114                 "\[\r\n\]+libthread_db integrity checks passed."
 115                 "\[\r\n\]+[Thread debugging using libthread_db enabled]"
 116             }
 117
 118         gdb_exit
 119         kill_wait_spawned_process $test_spawn_id
 120     }
 121 }