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

   1 # Copyright 2020 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 set testname [file rootname [file tail [info script]]]
  22
  23 # This test can only be run on targets which support DWARF-2 and use gas.
  24 if {![dwarf2_support]} {
  25     verbose "Skipping $testname test."
  26     return 0
  27 }
  28
  29 # The .c files use __attribute__.
  30 if [get_compiler_info] {
  31     return -1
  32 }
  33 if !$gcc_compiled {
  34     verbose "Skipping $testname test."
  35     return 0
  36 }
  37
  38 standard_testfile main.c -dw.S
  39
  40 set asm_file [standard_output_file $srcfile2]
  41 Dwarf::assemble $asm_file {
  42     declare_labels Llines
  43     global srcdir subdir srcfile
  44
  45     cu {} {
  46         compile_unit {
  47             {language @DW_LANG_C}
  48             {name $srcfile}
  49         } {
  50             subprogram {
  51                 {external 1 flag}
  52                 {MACRO_AT_func {main}}
  53             }
  54         }
  55     }
  56 }
  57
  58 if { [prepare_for_testing "failed to prepare" ${testfile} \
  59           [list $srcfile $asm_file] {nodebug}] } {
  60     return -1
  61 }
  62
  63 if ![runto_main] {
  64     return -1
  65 }
  66
  67 set breakpoint_at_missing_lineno_set [gdb_breakpoint "1" no-message]
  68 gdb_assert { !$breakpoint_at_missing_lineno_set  }