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

   1 # Copyright (C) 2009-2015 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 proc do_test {type} {
  17     set typenospace [string map {{ } -} $type]
  18
  19     with_test_prefix "$typenospace" {
  20         if {[runto "func"]} {
  21             # Verify that we do not crash when using "return" from a
  22             # function with no debugging info.  Such function has no
  23             # `struct symbol'.  It may still have an associated
  24             # `struct minimal_symbol'.
  25
  26             gdb_test "return -1" \
  27                 "Return value type not available for selected stack frame\\.\r\nPlease use an explicit cast of the value to return\\." \
  28                 "return from function with no debug info without a cast"
  29
  30             # Cast of the result to the proper width must be done explicitely.
  31             gdb_test "return ($type) -1" "#0 .* main \\(.*" \
  32                 "return from function with no debug info with a cast" \
  33                 "Make selected stack frame return now\\? \\(y or n\\) " "y"
  34
  35             gdb_test "advance marker" "marker \\(.*" \
  36                 "advance to marker"
  37
  38             # And if it returned the full width of the result.
  39             gdb_test "print /d t" " = -1" "full width of the returned result"
  40         }
  41     }
  42 }
  43
  44 foreach type {{signed char} {short} {int} {long} {long long} {float} {double}} {
  45     set typeesc [string map {{ } {\ }} $type]
  46     set typenospace [string map {{ } -} $type]
  47
  48     standard_testfile .c return-nodebug1.c
  49
  50     set additional_flags "additional_flags=-DTYPE=$typeesc"
  51
  52     if {[prepare_for_testing_full $testfile.exp \
  53              [list ${testfile}-${typenospace} debug \
  54                   $srcfile [list debug $additional_flags] \
  55                   $srcfile2 [list $additional_flags]]]} {
  56         continue
  57     }
  58
  59     do_test $type
  60 }