gdb/testsuite/gdb.dwarf2/dw2-main-no-line-number.exp

   1 # Copyright 2020-2021 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 # Setup a main without line number info, and verify that attempting to
  17 # set a breakpoint on a line number doesn't crash gdb.
  18
  19 load_lib dwarf.exp
  20
  21 # This test can only be run on targets which support DWARF-2 and use gas.
  22 if {![dwarf2_support]} {
  23     verbose "Skipping $gdb_test_file_name."
  24     return 0
  25 }
  26
  27 # The .c files use __attribute__.
  28 if [get_compiler_info] {
  29     return -1
  30 }
  31 if !$gcc_compiled {
  32     verbose "Skipping $gdb_test_file_name."
  33     return 0
  34 }
  35
  36 standard_testfile main.c -dw.S
  37
  38 set asm_file [standard_output_file $srcfile2]
  39 Dwarf::assemble $asm_file {
  40     declare_labels Llines
  41     global srcdir subdir srcfile
  42
  43     cu {} {
  44         compile_unit {
  45             {language @DW_LANG_C}
  46             {name $srcfile}
  47         } {
  48             subprogram {
  49                 {external 1 flag}
  50                 {MACRO_AT_func {main}}
  51             }
  52         }
  53     }
  54 }
  55
  56 if { [prepare_for_testing "failed to prepare" ${testfile} \
  57           [list $srcfile $asm_file] {nodebug}] } {
  58     return -1
  59 }
  60
  61 if ![runto_main] {
  62     return -1
  63 }
  64
  65 set breakpoint_at_missing_lineno_set [gdb_breakpoint "1" no-message]
  66 gdb_assert { !$breakpoint_at_missing_lineno_set  }