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      1 # Copyright 2023-2024 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 # Check that an optimized out static variable is printed the same independent
     17 # of state of symtab expansion.  See also gdb.opt/static-optimized-out.exp.
     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 standard_testfile main.c -dw.S
     25 
     26 # Make DWARF for the test.
     27 set asm_file [standard_output_file $srcfile2]
     28 Dwarf::assemble $asm_file {
     29     cu {} {
     30 	compile_unit {
     31 	    {
     32 		language @DW_LANG_C
     33 	    }
     34 	} {
     35 	    declare_labels integer_label
     36 
     37 	    integer_label: DW_TAG_base_type {
     38 		{DW_AT_byte_size 4 DW_FORM_sdata}
     39 		{DW_AT_encoding  @DW_ATE_signed}
     40 		{DW_AT_name      integer}
     41 	    }
     42 
     43 	    DW_TAG_variable {
     44 		{name var}
     45 		{type :$integer_label}
     46 	    }
     47 	}
     48     }
     49 }
     50 
     51 if { [prepare_for_testing "failed to prepare" ${testfile} \
     52 	  [list $srcfile $asm_file] {nodebug}] } {
     53     return -1
     54 }
     55 
     56 gdb_test "print var" " = <optimized out>"
     57 
     58 # Expand all symbol tables.
     59 gdb_test_no_output "maint expand-symtabs"
     60 
     61 # Make sure we do an actual lookup rather than just returning the same as
     62 # before.
     63 gdb_test_no_output "maint flush symbol-cache"
     64 
     65 with_test_prefix "after expand-symtabs" {
     66     gdb_test "print var" " = <optimized out>"
     67 }
     68