| # 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 |
| # 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-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" |