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# Copyright 2022-2023 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.
require dwarf2_support
standard_testfile _start.c debug-names.S
set func_info_vars \
[get_func_info _start [list debug additional_flags=-nostartfiles]]
# Create the DWARF.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble {
filename $asm_file
add_dummy_cus 0
} {
global func_info_vars
foreach var $func_info_vars {
global $var
}
cu { label cu_label } {
compile_unit {{language @DW_LANG_C}} {
subprogram {
{DW_AT_name _start}
{DW_AT_low_pc $_start_start DW_FORM_addr}
{DW_AT_high_pc $_start_end DW_FORM_addr}
}
base_type {
{name int}
{byte_size 4 sdata}
{encoding @DW_ATE_signed}
}
}
}
debug_names {} {
cu cu_label
name _start subprogram cu_label 0xEDDB6232
name int base_type cu_label 0xB888030
}
}
if [prepare_for_testing "failed to prepare" $testfile "${asm_file} ${srcfile}" \
[list additional_flags=-nostartfiles]] {
return -1
}
# Verify that .debug_names section is not ignored.
set index [have_index $binfile]
gdb_assert { [string equal $index "debug_names"] } ".debug_names used"
# Verify that initially no symtab is expanded.
gdb_test_no_output "maint info symtabs"
# Verify that _start is found in the debuginfo, rather than in the minimal
# symbols, which would result instead in:
# $1 = {<text variable, no debug info>} $hex <_start>
gdb_test "print _start" " = {void \\(\\)} $hex <_start>"
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