1 # Copyright 2016-2019 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # This test can only be run on targets which support DWARF-4 and use gas.
18 if {![dwarf2_support]} {
22 standard_testfile main-subprogram.c enum-type-dw.S
24 # Make some DWARF for the test.
25 set asm_file [standard_output_file $srcfile2]
26 Dwarf::assemble $asm_file {
27 global srcdir subdir srcfile
29 set range [function_range mymain ${srcdir}/${subdir}/${srcfile}]
30 set mymain_start [lindex $range 0]
31 set mymain_length [lindex $range 1]
35 {DW_AT_language @DW_LANG_C}
36 {DW_AT_name main-subprogram.c}
41 type: DW_TAG_base_type {
42 {DW_AT_byte_size 4 DW_FORM_sdata}
43 {DW_AT_encoding @DW_ATE_signed}
49 {low_pc $mymain_start addr}
50 {high_pc "$mymain_start + $mymain_length" addr}
52 {DW_AT_main_subprogram 1 flag}
59 if {[prepare_for_testing "failed to prepare" ${testfile} \
60 [list $srcfile $asm_file] {nodebug}]} {
64 # Test that the "start" command stops in the "mymain" function.
65 # This should happen because we used DW_AT_main_subprogram to tell gdb
66 # that this was the real "main".
68 if {[gdb_start_cmd] < 0} {
69 untested "could not start ${testfile}"
73 gdb_test "" "Temporary breakpoint .* mymain.*" "stopped at mymain"