# Copyright 2021-2024 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/>.

# Test DW_ATE_UTF for Rust.

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 .S

# Make some DWARF for the test.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
    upvar cu_lang cu_lang

    declare_labels char_label

    # Creating a CU with 4-byte addresses lets this test link on
    # both 32- and 64-bit machines.
    cu { addr_size 4 } {
	compile_unit {
	    {name file1.txt}
	    {language @DW_LANG_Rust}
	} {
            char_label: DW_TAG_base_type {
                {DW_AT_byte_size 4 DW_FORM_sdata}
                {DW_AT_encoding @DW_ATE_UTF}
                {DW_AT_name char}
            }

	    DW_TAG_variable {
		{name cvalue}
		{type :$char_label}
		{const_value 97 DW_FORM_udata}
	    }
	}
    }
}

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

if {![runto main]} {
    return -1
}

gdb_test "set language rust" \
    "Warning: the current language does not match this frame."
# Get the values into history so we can use it from Rust.
gdb_test "print cvalue" "\\\$1 = 97 'a'"