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# Copyright 2018-2021 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/>.
#
# This file is part of the gdb testsuite.
# This test was added to test GDB's ability to backtrace over a large
# stack frame for which there is no debug information. This should
# test the non-DWARF stack unwinder.
#
# The test was originally added for Risc-V where this case caused a
# problem at one point, however, there's nothing Risc-V specific in
# the test.
proc run_test { opt_level } {
global srcfile srcfile2 binfile hex
standard_testfile large-frame-1.c large-frame-2.c
if {[prepare_for_testing_full "failed to prepare" \
[list ${binfile}-${opt_level} debug \
$srcfile [list debug] \
$srcfile2 [list nodebug optimize=-$opt_level]]]} {
return
}
if { ![runto_main] } then {
unsupported "runto main"
return
}
gdb_breakpoint "blah"
gdb_continue_to_breakpoint "blah"
gdb_test "backtrace" [multi_line \
"#0 blah \[^\n\r\]+" \
"#1 $hex in func \[^\n\r\]+" \
"#2 $hex in main \[^\n\r\]+"]
}
foreach opt { O0 O1 O2 } {
with_test_prefix "optimize=-$opt" {
run_test $opt
}
}
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