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# Copyright 2008-2022 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.
load_lib mi-support.exp
set MIFLAGS "-i=mi"
if {![dwarf2_support]} {
return 0
}
standard_testfile .S dw2-ref-missing-frame-func.c dw2-ref-missing-frame-main.c
set objsfile [standard_output_file ${testfile}.o]
set objfuncfile [standard_output_file ${testfile}-func.o]
set objmainfile [standard_output_file ${testfile}-main.o]
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" $objsfile object {}] != ""
|| [gdb_compile "${srcdir}/${subdir}/${srcfile2}" $objfuncfile object {}] != ""
|| [gdb_compile "${srcdir}/${subdir}/${srcfile3}" $objmainfile object {debug}] != ""
|| [gdb_compile "$objfuncfile $objsfile $objmainfile" $binfile executable {}] != "" } {
return -1
}
if [mi_gdb_start] {
return
}
mi_delete_breakpoints
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_load ${binfile}
if [mi_runto func_nofb_marker] {
# First try referencing DW_AT_frame_base which is not defined.
mi_gdb_test "300-stack-list-locals --thread 1 --frame 1 --all-values" \
"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\\\\\"\\\.\\\>\"\}\\\].*" \
"test func_nofb_marker"
}
# GDB could have crashed.
mi_gdb_exit
if [mi_gdb_start] {
return
}
mi_delete_breakpoints
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_load ${binfile}
# And now try referencing DW_AT_frame_base defined using a self-reference
# (DW_OP_fbreg).
if [mi_runto func_loopfb_marker] {
mi_gdb_test "301-stack-list-locals --thread 1 --frame 1 --all-values" \
"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.*\"\}\\\]" \
"test func_loopfb_var"
}
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