gdb/testsuite/gdb.base/return-nodebug.exp

   1 # Copyright (C) 2009-2019 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 set skip_float_test [gdb_skip_float_test]
  17
  18 proc do_test {type} {
  19     set typenospace [string map {{ } -} $type]
  20
  21     with_test_prefix "$typenospace" {
  22         if {[runto "func"]} {
  23             # Verify that we do not crash when using "return" from a
  24             # function with no debugging info.  Such function has no
  25             # `struct symbol'.  It may still have an associated
  26             # `struct minimal_symbol'.
  27
  28             gdb_test "return -1" \
  29                 "Return value type not available for selected stack frame\\.\r\nPlease use an explicit cast of the value to return\\." \
  30                 "return from function with no debug info without a cast"
  31
  32             # Cast of the result to the proper width must be done explicitely.
  33             gdb_test "return ($type) -1" "#0 .* main \\(.*" \
  34                 "return from function with no debug info with a cast" \
  35                 "Make selected stack frame return now\\? \\(y or n\\) " "y"
  36
  37             gdb_test "advance marker" "marker \\(.*" \
  38                 "advance to marker"
  39
  40             # And if it returned the full width of the result.
  41             gdb_test "print /d t" " = -1" "full width of the returned result"
  42         }
  43     }
  44 }
  45
  46 foreach type {{signed char} {short} {int} {long} {long long} {float} {double}} {
  47     if { $skip_float_test && ($type == "float" || $type == "double") } {
  48         continue
  49     }
  50     set typeesc [string map {{ } {\ }} $type]
  51     set typenospace [string map {{ } -} $type]
  52
  53     standard_testfile .c return-nodebug1.c
  54
  55     set additional_flags "additional_flags=-DTYPE=$typeesc"
  56
  57     if {[prepare_for_testing_full "failed to prepare" \
  58              [list ${testfile}-${typenospace} debug \
  59                   $srcfile [list debug $additional_flags] \
  60                   $srcfile2 [list $additional_flags]]]} {
  61         continue
  62     }
  63
  64     do_test $type
  65 }