1# Copyright 2008-2023 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 16load_lib dwarf.exp 17# This test can only be run on targets which support DWARF-2 and use gas. 18load_lib mi-support.exp 19set MIFLAGS "-i=mi" 20 21if {![dwarf2_support]} { 22 return 0 23} 24 25standard_testfile .S dw2-ref-missing-frame-func.c dw2-ref-missing-frame-main.c 26set objsfile [standard_output_file ${testfile}.o] 27set objfuncfile [standard_output_file ${testfile}-func.o] 28set objmainfile [standard_output_file ${testfile}-main.o] 29 30if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" $objsfile object {}] != "" 31 || [gdb_compile "${srcdir}/${subdir}/${srcfile2}" $objfuncfile object {}] != "" 32 || [gdb_compile "${srcdir}/${subdir}/${srcfile3}" $objmainfile object {debug}] != "" 33 || [gdb_compile "$objfuncfile $objsfile $objmainfile" $binfile executable {}] != "" } { 34 return -1 35} 36 37if [mi_gdb_start] { 38 return 39} 40 41mi_delete_breakpoints 42mi_gdb_reinitialize_dir $srcdir/$subdir 43mi_gdb_load ${binfile} 44 45if [mi_runto func_nofb_marker] { 46 # First try referencing DW_AT_frame_base which is not defined. 47 mi_gdb_test "300-stack-list-locals --thread 1 --frame 1 --all-values" \ 48 "300\\^done,locals=\\\[\{name=\"func_nofb_var\",value=\"\\\<error reading variable: Could not find the frame base for \\\\\"func_nofb\\\\\"\\\.\\\>\"\},\{name=\"func_nofb_var2\",value=\"\\\<error reading variable: Could not find the frame base for \\\\\"func_nofb\\\\\"\\\.\\\>\"\}\\\].*" \ 49 "test func_nofb_marker" 50} 51 52# GDB could have crashed. 53mi_gdb_exit 54if [mi_gdb_start] { 55 return 56} 57mi_delete_breakpoints 58mi_gdb_reinitialize_dir $srcdir/$subdir 59mi_gdb_load ${binfile} 60 61# And now try referencing DW_AT_frame_base defined using a self-reference 62# (DW_OP_fbreg). 63if [mi_runto func_loopfb_marker] { 64 mi_gdb_test "301-stack-list-locals --thread 1 --frame 1 --all-values" \ 65 "301\\^done,locals=\\\[\{name=\"func_loopfb_var\",value=\"\\\<error reading variable: DWARF-2 expression error: Loop detected.*\"\},\{name=\"func_loopfb_var2\",value=\"\\\<error reading variable: DWARF-2 expression error: Loop detected.*\"\}\\\]" \ 66 "test func_loopfb_var" 67} 68