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      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  }
     58