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

   1 # Copyright 2020-2024 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 require dwarf2_support
  23
  24 # The .c files use __attribute__.
  25 require is_c_compiler_gcc
  26
  27 standard_testfile main.c -dw.S
  28
  29 set asm_file [standard_output_file $srcfile2]
  30 Dwarf::assemble $asm_file {
  31     declare_labels Llines
  32     global srcdir subdir srcfile
  33
  34     cu {} {
  35         compile_unit {
  36             {language @DW_LANG_C}
  37             {name $srcfile}
  38         } {
  39             subprogram {
  40                 {external 1 flag}
  41                 {MACRO_AT_func {main}}
  42             }
  43         }
  44     }
  45 }
  46
  47 if { [prepare_for_testing "failed to prepare" ${testfile} \
  48           [list $srcfile $asm_file] {nodebug}] } {
  49     return -1
  50 }
  51
  52 if ![runto_main] {
  53     return -1
  54 }
  55
  56 set breakpoint_at_missing_lineno_set [gdb_breakpoint "1" no-message]
  57 gdb_assert { !$breakpoint_at_missing_lineno_set  }