gdb/testsuite/gdb.base/break-on-linker-gcd-function.exp

   1 # Copyright 2011-2015 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 # This file is part of the gdb testsuite
  17
  18 # Test casting, especially between class types or pointer-to-class
  19 # types.
  20
  21 # This file is part of the gdb testsuite
  22
  23 #
  24 # test running programs
  25 #
  26 if { [skip_cplus_tests] } { continue }
  27
  28 standard_testfile .cc
  29
  30 if [get_compiler_info "c++"] {
  31     return -1
  32 }
  33
  34 set additional_flags {-ffunction-sections -Wl,--gc-sections}
  35 if {[build_executable_from_specs $testfile.exp $testfile \
  36        {c++ additional_flags=-Wl,--gc-sections} \
  37        $srcfile {debug c++ additional_flags=-ffunction-sections}]} {
  38     untested $testfile.exp
  39     return -1
  40 }
  41
  42 clean_restart $testfile
  43
  44 proc set_breakpoint_on_gcd_function {} {
  45     # Single hex digit
  46     set xd {[0-9a-f]}
  47
  48     # This accepts e.g. "Breakpoint 1 at 0x40968a" (fixed GDB)
  49     # but rejects e.g. "Breakpoint 1 at 0x4" (broken GDB).
  50     gdb_test "b [gdb_get_line_number "gdb break here"]" \
  51         "Breakpoint \[0-9\] at 0x${xd}${xd}+: .*"
  52 }
  53
  54 set_breakpoint_on_gcd_function
  55
  56 set saved_gdbflags $GDBFLAGS
  57 set GDBFLAGS "$GDBFLAGS --readnow"
  58 clean_restart ${testfile}
  59 set GDBFLAGS $saved_gdbflags
  60
  61 with_test_prefix "readnow" {
  62     set_breakpoint_on_gcd_function
  63 }