gdb/testsuite/gdb.ada/call_pn.exp

   1 # Copyright 2010-2021 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 load_lib "ada.exp"
  17
  18 if { [skip_ada_tests] } { return -1 }
  19
  20 standard_ada_testfile foo
  21
  22 if {[gdb_compile_ada "${srcfile}" "${binfile}" executable [list debug ]] != "" } {
  23   return -1
  24 }
  25
  26 clean_restart ${testfile}
  27
  28 set bp_location [gdb_get_line_number "STOP" ${testdir}/foo.adb]
  29 if ![runto "foo.adb:$bp_location" ] then {
  30   perror "Couldn't run ${testfile}"
  31   return
  32 }
  33
  34 # The xfail mentioned below triggers for the "after" print, but may not
  35 # trigger for the "before" print, though it will for -readnow.  This is
  36 # related to PR25764 - "LOC_UNRESOLVED symbol missing from partial symtab".
  37 # Stabilize test results by ensuring that the xfail triggers for the "before"
  38 # print.
  39 gdb_test_no_output "maint expand-symtabs"
  40
  41 # The xfail is for PR gcc/94469, which occurs with target board
  42 # unix/-flto/-O0/-flto-partition=none/-ffat-lto-objects and gcc-8 and later.
  43 # Note: We don't check for the filename in xfail_re because it might be
  44 # wrong, filed as gdb PR25771.
  45 set xfail_re \
  46     [multi_line \
  47          "Multiple matches for last_node_id" \
  48          "\\\[0\\\] cancel" \
  49          "\\\[1\\\] pck\.last_node_id at .*.adb:17" \
  50          "\\\[2\\\] pck\.last_node_id at .*.adb:17" \
  51          "> $"]
  52
  53 # Make sure that last_node_id is set to zero...
  54 gdb_test_multiple "print last_node_id" "print last_node_id before calling pn" {
  55     -re $xfail_re {
  56         xfail $gdb_test_name
  57         # One of the choices will print the correct value, the other one
  58         # <optimized out>.  Since we don't known which one to choose to get
  59         # the correct value, cancel.
  60         gdb_test_multiple "0" "cancel after xfail 1" {
  61             -re -wrap "cancelled" {
  62             }
  63         }
  64     }
  65     -re -wrap "= 0" {
  66         pass $gdb_test_name
  67     }
  68 }
  69
  70 # Now, call procedure Pn, which should set Last_Node_Id to the value
  71 # of the parameter used in the function call.  Verify that we can print
  72 # the returned value correctly, while we're at it.
  73 gdb_test "print pn(4321)" "= 4321"
  74
  75 # Make sure that last_node_id now has the correct value...
  76 gdb_test_multiple "print last_node_id" "print last_node_id after calling pn" {
  77     -re $xfail_re {
  78         xfail $gdb_test_name
  79         # Cancel
  80         gdb_test_multiple "0" "cancel after xfail 2" {
  81             -re -wrap "cancelled" {
  82             }
  83         }
  84     }
  85     -re -wrap "= 4321" {
  86         pass $gdb_test_name
  87     }
  88 }