py-frame-inline.exp revision 1.7
1# Copyright (C) 2011-2017 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 16load_lib gdb-python.exp 17 18standard_testfile 19 20if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } { 21 return -1 22} 23 24# Skip all tests if Python scripting is not enabled. 25if { [skip_python_tests] } { continue } 26 27if ![runto main] then { 28 fail "can't run to function f" 29 return 0 30} 31 32gdb_breakpoint [gdb_get_line_number "break-here"] 33gdb_continue_to_breakpoint "Block break here." 34 35gdb_test "info frame" "inlined into frame 1\r\n.*" 36 37gdb_test "up" "#1 g .*" 38 39gdb_test "python print (gdb.selected_frame().read_var('l'))" "\r\n42" 40 41# A regression test for having a backtrace limit that forces unwinding 42# to stop after an inline frame. GDB needs to compute the frame_id of 43# the inline frame, which requires unwinding past all the inline 44# frames to the real stack frame, even if that means bypassing the 45# user visible backtrace limit. See PR backtrace/15558. 46# 47# Set the limit, and run to an inline function. It's important that 48# the frame cache is flushed somehow after setting the limit, to force 49# frame id recomputation. 50gdb_test_no_output "set backtrace limit 1" 51gdb_continue_to_breakpoint "Block break here." 52 53gdb_test "python print (gdb.newest_frame())" ".*" 54 55# Regression test to verify that Frame.function works properly for 56# inline frames. 57gdb_test "python print (gdb.newest_frame().function())" "f" 58