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      1 # Copyright 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 load_lib dwarf.exp
     17 
     18 # This test can only be run on targets which support DWARF-2 and use gas.
     19 require dwarf2_support
     20 
     21 standard_testfile main.c .S
     22 
     23 # Create the DWARF.
     24 set asm_file [standard_output_file $srcfile2]
     25 Dwarf::assemble $asm_file {
     26     declare_labels label1
     27 
     28     cu {} {
     29 	compile_unit {{language @DW_LANG_C}} {
     30 	    subprogram {
     31 		{MACRO_AT_range { main }}
     32 		{DW_AT_specification %$label1}
     33 	    }
     34 	}
     35     }
     36 
     37     cu {} {
     38 	compile_unit {{language @DW_LANG_C}} {
     39 	    label1:
     40 	}
     41     }
     42 }
     43 
     44 if [build_executable "failed to prepare" $testfile \
     45 	[list $asm_file $srcfile] {nodebug}] {
     46     return -1
     47 }
     48 
     49 clean_restart
     50 
     51 gdb_test_no_output "maint set dwarf synchronous on"
     52 
     53 gdb_load $binfile
     54 
     55 # Verify that GDB notices the null DIE.
     56 gdb_assert { [regexp "DWARF Error: Unexpected null DIE" $gdb_file_cmd_msg] } \
     57 	"Null DIE error missing"
     58