gdb/testsuite/gdb.base/dmsym.exp

   1 # Copyright (C) 2011-2013 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 testfile dmsym_main
  17
  18 # Build dmsym_main using two C files:
  19 #   - dmsym.c, which needs to be built without debug info;
  20 #   - dmsym_main.c, which needs to be build with debug info.
  21 # This is why we use gdb_compile instead of relying on the usual
  22 # call to prepare_for_testing.
  23
  24 if {[gdb_compile "${srcdir}/${subdir}/dmsym.c" \
  25                  ${objdir}/${subdir}/dmsym.o \
  26                  object {}] != ""} {
  27   untested dmsym.exp
  28   return -1
  29 }
  30
  31 if {[gdb_compile \
  32       [list ${srcdir}/${subdir}/dmsym_main.c ${objdir}/${subdir}/dmsym.o] \
  33       ${objdir}/${subdir}/${testfile} \
  34       executable {debug}] != ""} {
  35     untested dmsym.exp
  36     return -1
  37 }
  38
  39 clean_restart ${testfile}
  40
  41 # Some convenient regular expressions...
  42 set num "\[0-9\]+"
  43 set addr "0x\[0-9a-zA-Z\]+"
  44
  45 # Although the test program is written in C, the original problem
  46 # occurs only when the language is Ada. The use of a C program is
  47 # only a convenience to be able to exercise the original problem
  48 # without requiring an Ada compiler. In the meantime, temporarily
  49 # force the language to Ada.
  50
  51 gdb_test_no_output "set lang ada"
  52
  53 # Verify that setting a breakpoint on `pck__foo__bar__minsym' only
  54 # results in one location found (function pck__foo__bar__minsym__2).
  55 # A mistake would be to also insert a breakpoint where
  56 # pck__foo__bar__minsym is defined.  Despite the fact that there is
  57 # no debugging info available, this is a data symbol and thus should
  58 # not be used for breakpoint purposes.
  59
  60 gdb_test "break pck__foo__bar__minsym" \
  61          "Breakpoint $num at $addr.: file .*dmsym_main\\.c, line $num\\."
  62
  63 # However, verify that the `info line' command, on the other hand,
  64 # finds both locations.
  65
  66 gdb_test "info line pck__foo__bar__minsym" \
  67          "Line $num of \".*dmsym_main\\.c\" .*\r\nNo line number information available for address $addr <pck__foo__bar__minsym>"
  68
  69 gdb_test_no_output "set lang auto"
  70
  71 # Now, run the program until we get past the call to
  72 # pck__foo__bar__minsym__2. Except when using hardware breakpoints,
  73 # inferior behavior is going to be affected if a breakpoint was
  74 # incorrectly inserted at pck__foo__bar__minsym.
  75
  76 gdb_breakpoint dmsym_main.c:[gdb_get_line_number "BREAK" dmsym_main.c]
  77
  78 gdb_run_cmd
  79 gdb_test "" \
  80          "Breakpoint $num, pck__foo__bar__minsym__2 \\(\\) at.*" \
  81          "Run until breakpoint at BREAK"
  82
  83 gdb_test "continue" \
  84          "Breakpoint $num, main \\(\\) at.*"
  85
  86 gdb_test "print val" \
  87          " = 124"