gdb/testsuite/gdb.ada/funcall_ref.exp

   1 # Copyright 2008-2024 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 load_lib "ada.exp"
  17
  18 require allow_ada_tests
  19
  20 standard_ada_testfile foo
  21
  22 # Note we don't test the "none" (no -fgnat-encodings option) scenario
  23 # here, because "all" and "minimal" cover the cases, and this way we
  24 # don't have to update the test when gnat changes its default.
  25 foreach_with_prefix scenario {all minimal} {
  26     set flags [list debug additional_flags=-fgnat-encodings=$scenario]
  27
  28     if {[gdb_compile_ada "${srcfile}" "${binfile}-${scenario}" executable $flags] != ""} {
  29         return -1
  30     }
  31
  32     clean_restart ${testfile}-${scenario}
  33
  34     set bp_location [gdb_get_line_number "STOP" ${testdir}/foo.adb]
  35     runto "foo.adb:$bp_location"
  36
  37     # Test printing and type-printing of a discriminated record that a function
  38     # returns by reference.
  39
  40     # Currently, GCC describes such functions as returning pointers (instead of
  41     # references).
  42     set pass_re [multi_line "type = <ref> record" \
  43                      "    n: natural;" \
  44                      "    s: array \\(1 \\.\\. n\\) of character;" \
  45                      "end record"]
  46     # With DWARF we get debuginfo that could in theory show "1..n" for
  47     # the range:
  48     #     <3><1230>: Abbrev Number: 15 (DW_TAG_member)
  49     #     <1231>   DW_AT_name        : n
  50     # ...
  51     #  <4><1257>: Abbrev Number: 18 (DW_TAG_subrange_type)
  52     #     <1258>   DW_AT_type        : <0x126e>
  53     #     <125c>   DW_AT_upper_bound : <0x1230>
  54     # However, we don't currently record the needed information in the
  55     # location batons.  In the meantime, we accept and kfail the
  56     # compromise output.
  57     set dwarf_kfail_re [multi_line "type = <ref> record" \
  58                             "    n: natural;" \
  59                             "    s: array \\(<>\\) of character;" \
  60                             "end record"]
  61     set unsupported_re [multi_line "type = access record" \
  62                             "    n: natural;" \
  63                             "    s: access array \\(1 \\.\\. n\\) of character;" \
  64                             "end record"]
  65     set supported 1
  66     gdb_test_multiple "ptype get(\"Hello world!\")" "" {
  67         -re -wrap $pass_re {
  68             pass $gdb_test_name
  69         }
  70         -re -wrap $dwarf_kfail_re {
  71             if {$scenario == "minimal"} {
  72                 setup_kfail "symbolic names in location batons" *-*-*
  73             }
  74             fail $gdb_test_name
  75             set supported 0
  76         }
  77         -re -wrap $unsupported_re {
  78             unsupported $gdb_test_name
  79             set supported 0
  80         }
  81     }
  82
  83     if { $supported == 0 } {
  84         return 0
  85     }
  86
  87     gdb_test "p get(\"Hello world!\")" \
  88         "= \\(n => 12, s => \"Hello world!\"\\)"
  89 }