1# Copyright 2020-2023 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/>. 15 16# Setup a main without line number info, and verify that attempting to 17# set a breakpoint on a line number doesn't crash gdb. 18 19load_lib dwarf.exp 20 21# This test can only be run on targets which support DWARF-2 and use gas. 22if {![dwarf2_support]} { 23 verbose "Skipping $gdb_test_file_name." 24 return 0 25} 26 27# The .c files use __attribute__. 28if ![is_c_compiler_gcc] { 29 verbose "Skipping $gdb_test_file_name." 30 return 0 31} 32 33standard_testfile main.c -dw.S 34 35set asm_file [standard_output_file $srcfile2] 36Dwarf::assemble $asm_file { 37 declare_labels Llines 38 global srcdir subdir srcfile 39 40 cu {} { 41 compile_unit { 42 {language @DW_LANG_C} 43 {name $srcfile} 44 } { 45 subprogram { 46 {external 1 flag} 47 {MACRO_AT_func {main}} 48 } 49 } 50 } 51} 52 53if { [prepare_for_testing "failed to prepare" ${testfile} \ 54 [list $srcfile $asm_file] {nodebug}] } { 55 return -1 56} 57 58if ![runto_main] { 59 return -1 60} 61 62set breakpoint_at_missing_lineno_set [gdb_breakpoint "1" no-message] 63gdb_assert { !$breakpoint_at_missing_lineno_set } 64