xref: /src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.dwarf2/static-optimized-out.exp

# Copyright 2023-2024 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Check that an optimized out static variable is printed the same independent
# of state of symtab expansion.  See also gdb.opt/static-optimized-out.exp.

load_lib dwarf.exp

# This test can only be run on targets which support DWARF-2 and use gas.
require dwarf2_support

standard_testfile main.c -dw.S

# Make DWARF for the test.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
    cu {} {
	compile_unit {
	    {
		language @DW_LANG_C
	    }
	} {
	    declare_labels integer_label

	    integer_label: DW_TAG_base_type {
		{DW_AT_byte_size 4 DW_FORM_sdata}
		{DW_AT_encoding  @DW_ATE_signed}
		{DW_AT_name      integer}
	    }

	    DW_TAG_variable {
		{name var}
		{type :$integer_label}
	    }
	}
    }
}

if { [prepare_for_testing "failed to prepare" ${testfile} \
	  [list $srcfile $asm_file] {nodebug}] } {
    return -1
}

gdb_test "print var" " = <optimized out>"

# Expand all symbol tables.
gdb_test_no_output "maint expand-symtabs"

# Make sure we do an actual lookup rather than just returning the same as
# before.
gdb_test_no_output "maint flush symbol-cache"

with_test_prefix "after expand-symtabs" {
    gdb_test "print var" " = <optimized out>"
}