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      1 # Copyright 2016-2024 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 load_lib dwarf.exp
     16 
     17 # This test can only be run on targets which support DWARF-2 and use gas.
     18 require dwarf2_support
     19 
     20 standard_testfile main.c .S
     21 
     22 # Make some DWARF for the test.
     23 set asm_file [standard_output_file $srcfile2]
     24 Dwarf::assemble $asm_file {
     25     cu {} {
     26 	compile_unit {
     27 	    {MACRO_AT_range {main}}
     28 	} {
     29 	    declare_labels integer_label
     30 
     31 	    integer_label: DW_TAG_base_type {
     32 		{DW_AT_byte_size 4 DW_FORM_sdata}
     33 		{DW_AT_encoding  @DW_ATE_signed}
     34 		{DW_AT_name      integer}
     35 	    }
     36 
     37 	    DW_TAG_subprogram {
     38 		{MACRO_AT_func {main}}
     39 		{DW_AT_external 1 flag}
     40 	    } {
     41 		DW_TAG_lexical_block {
     42 		} {
     43 		    DW_TAG_variable {
     44 			{DW_AT_name testvar}
     45 			    {DW_AT_type :$integer_label}
     46 			    {DW_AT_external 1 flag}
     47 			{DW_AT_location {
     48 			    DW_OP_addr [gdb_target_symbol main]
     49 			} SPECIAL_expr}
     50 		    }
     51 		}
     52 	    }
     53 	}
     54     }
     55 }
     56 
     57 if { [prepare_for_testing "failed to prepare" ${testfile} \
     58 			  [list $srcfile $asm_file] {nodebug}] } {
     59     return -1
     60 }
     61 
     62 runto_main
     63 
     64 # FAILing GDB did print: No symbol "testvar" in current context.
     65 gdb_test "p testvar" { = -?[0-9]+}
     66