1# Copyright 2008-2020 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/>.
15
16
17standard_testfile .c
18
19if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [concat debug additional_flags=-fstack-check nowarnings]] != "" } {
20     untested "failed to compile"
21     return -1
22}
23
24clean_restart ${binfile}
25
26if ![runto_main] then {
27    fail "can't run to main"
28    return 0
29}
30
31
32# Test that the debugger is able to unwind to "main" at the next breakpoint
33# hit. The frame number of "main" should be passed into MAIN_FRAME_NUMBER."
34proc backtrace_test {name main_frame_number} {
35    gdb_continue_to_breakpoint "breakpoint for $name"
36    gdb_test "bt" "#${main_frame_number}.*in main ().*"
37}
38
39gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
40backtrace_test "small frame" "1"
41backtrace_test "medium frame" "2"
42backtrace_test "big frame" "2"
43