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Elixir Cross Referencer

# Copyright 2015-2020 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/>.

load_lib dwarf.exp

# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
    return 0  
}

standard_testfile dw2-bad-unresolved.c dw2-bad-unresolved-2.S

# Set up the DWARF for the test.
# The key part of this is the definition of variable "var" having no location.
# That will cause it to have LOC_UNRESOLVED.

set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
    cu {} {
	DW_TAG_compile_unit {
	    {DW_AT_language @DW_LANG_C}
	    {DW_AT_name     dw2-bad-unresolved-2.c}
	    {DW_AT_comp_dir /tmp}
	} {
	    declare_labels b_l

	    b_l: DW_TAG_base_type {
		{DW_AT_byte_size 1 DW_FORM_sdata}
		{DW_AT_encoding  @DW_ATE_signed}
		{DW_AT_name      bool}
	    }
	    DW_TAG_variable {
		{name var}
		{type :$b_l}
		{external 1 flag}
	    }
	}
    }
}

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

gdb_test "ptype var" "type = bool"
gdb_test "print var" "Missing .* symbol \"var\"."