blob: 15a67bada64aa78cd5c3c8b886c220aaf91f1cae [file] [log] [blame]
# Copyright 2016-2020 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
# 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 <>.
load_lib dwarf.exp
# This test can only be run on targets which support DWARF-4 and use gas.
if {![dwarf2_support]} {
return 0
standard_testfile main-subprogram.c enum-type-dw.S
# Make some DWARF for the test.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
global srcdir subdir srcfile
set range [function_range mymain ${srcdir}/${subdir}/${srcfile}]
set mymain_start [lindex $range 0]
set mymain_length [lindex $range 1]
cu {} {
DW_TAG_compile_unit {
{DW_AT_language @DW_LANG_C}
{DW_AT_name main-subprogram.c}
{DW_AT_comp_dir /tmp}
} {
declare_labels type
type: DW_TAG_base_type {
{DW_AT_byte_size 4 DW_FORM_sdata}
{DW_AT_encoding @DW_ATE_signed}
{DW_AT_name int}
DW_TAG_subprogram {
{name mymain}
{low_pc $mymain_start addr}
{high_pc "$mymain_start + $mymain_length" addr}
{type :$type}
{DW_AT_main_subprogram 1 flag}
} {
if {[prepare_for_testing "failed to prepare" ${testfile} \
[list $srcfile $asm_file] {nodebug}]} {
return -1
# Test that the "start" command stops in the "mymain" function.
# This should happen because we used DW_AT_main_subprogram to tell gdb
# that this was the real "main".
if {[gdb_start_cmd] < 0} {
untested "could not start ${testfile}"
return -1
gdb_test "" "Temporary breakpoint .* mymain.*" "stopped at mymain"