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# Copyright 2008-2019 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-2 and use gas.
if {![dwarf2_support]} {
return 0
}
standard_testfile .S
set srcfuncfile ${testfile}-func.c
set srcmainfile ${testfile}-main.c
set executable ${testfile}
if {[prepare_for_testing_full "failed to prepare" \
[list $testfile {} $srcfile {} $srcfuncfile {} \
$srcmainfile debug]]} {
return -1
}
# First try referencing DW_AT_frame_base which is not defined.
if [runto func_nofb] {
gdb_test "p func_nofb_var" {Could not find the frame base for "func_nofb".} "func_nofb print"
gdb_test "bt full" " in main .* main_var = 1" "func_nofb backtrace"
}
# GDB could have crashed.
clean_restart $executable
# And now try referencing DW_AT_frame_base defined using a self-reference
# (DW_OP_fbreg).
if [runto func_loopfb] {
gdb_test "p func_loopfb_var" "DWARF-2 expression error: Loop detected .*" "func_loopfb print"
gdb_test "bt full" " in main .* main_var = 1" "func_loopfb backtrace"
}
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