gdb/testsuite/gdb.base/valgrind-infcall-2.exp

   1 # Copyright 2020-2024 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-case tests the scenario for the crash fixed by commit ee3c5f8968
  17 # "Fix GDB crash when registers cannot be modified":
  18 # $ valgrind /usr/bin/sleep 10000
  19 # ==31595== Memcheck, a memory error detector
  20 # ==31595== Command: /usr/bin/sleep 10000
  21 # ==31595==
  22 # $ gdb /usr/bin/sleep
  23 # (gdb) target remote | vgdb --pid=31595
  24 # Remote debugging using | vgdb --pid=31595
  25 #   ...
  26 # $hex in __GI___nanosleep () at nanosleep.c:27
  27 # 27      return SYSCALL_CANCEL (nanosleep, requested_time, remaining);
  28 # (gdb) p printf ("bla")
  29 # terminate called after throwing an instance of 'gdb_exception_error'
  30 # Aborted (core dumped)
  31
  32 # Valgrind gdbserver requires gdb with xml support.
  33 require allow_xml_test
  34
  35 load_lib valgrind.exp
  36
  37 require {!is_remote target}
  38
  39 standard_testfile .c
  40 if {[build_executable $testfile.exp $testfile $srcfile {debug}] == -1} {
  41     return -1
  42 }
  43
  44 set active_at_startup 0
  45 if { [vgdb_start $active_at_startup] == -1 } {
  46     return -1
  47 }
  48
  49 # Determine whether we're at nanosleep.
  50 gdb_test_multiple "bt 1" "do printf" {
  51     -re -wrap "nanosleep.*" {
  52         # If gdb doesn't crash, we get something like:
  53         # (gdb) p printf ("bla")
  54         # Could not write register "rdi"; remote failure reply 'E.
  55         # ERROR changing register rdi regno 5
  56         # gdb commands changing registers (pc, sp, ...) (e.g. 'jump',
  57         # set pc, calling from gdb a function in the debugged process, ...)
  58         # can only be accepted if the thread is VgTs_Runnable or VgTs_Yielding
  59         # state
  60         # Thread status is VgTs_WaitSys
  61         # '
  62         # (gdb)
  63         gdb_test "p (int)printf (\"bla\")" \
  64             "can only be accepted if the thread is .*" \
  65             $gdb_test_name
  66     }
  67     -re -wrap "" {
  68         # For some reason the error condition does not trigger if we're not
  69         # at nanosleep at the point that we're connecting to vgdb.  See also
  70         # comment at "exec sleep 1" in vgdb_start.
  71         unsupported $gdb_test_name
  72     }
  73 }
  74
  75 vgdb_stop