1# Copyright 2016-2020 Free Software Foundation, Inc. 2 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. 7# 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. 12# 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/>. 15load_lib dwarf.exp 16 17# This test can only be run on targets which support DWARF-4 and use gas. 18if {![dwarf2_support]} { 19 return 0 20} 21 22standard_testfile main-subprogram.c enum-type-dw.S 23 24# Make some DWARF for the test. 25set asm_file [standard_output_file $srcfile2] 26Dwarf::assemble $asm_file { 27 cu {} { 28 DW_TAG_compile_unit { 29 {DW_AT_language @DW_LANG_C} 30 {DW_AT_name main-subprogram.c} 31 {DW_AT_comp_dir /tmp} 32 } { 33 declare_labels type 34 35 type: DW_TAG_base_type { 36 {DW_AT_byte_size 4 DW_FORM_sdata} 37 {DW_AT_encoding @DW_ATE_signed} 38 {DW_AT_name int} 39 } 40 41 DW_TAG_subprogram { 42 {MACRO_AT_func {mymain}} 43 {type :$type} 44 {DW_AT_main_subprogram 1 flag} 45 } { 46 } 47 } 48 } 49} 50 51if {[prepare_for_testing "failed to prepare" ${testfile} \ 52 [list $srcfile $asm_file] {nodebug}]} { 53 return -1 54} 55 56# Test that the "start" command stops in the "mymain" function. 57# This should happen because we used DW_AT_main_subprogram to tell gdb 58# that this was the real "main". 59 60if {[gdb_start_cmd] < 0} { 61 untested "could not start ${testfile}" 62 return -1 63} 64 65gdb_test "" "Temporary breakpoint .* mymain.*" "stopped at mymain" 66