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# Copyright 2019-2020 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.
if {![dwarf2_support]} {
return 0
}
standard_testfile main.c
if { [prepare_for_testing "failed to prepare" "${testfile}" \
[list ${srcfile}]] } {
return -1
}
# Add a .gdb_index section to PROGRAM.
# PROGRAM is assumed to be the output of standard_output_file.
# Returns the 0 if there is a failure, otherwise 1.
proc add_gdb_index { program } {
global srcdir GDB env BUILD_DATA_DIRECTORY
set contrib_dir "$srcdir/../contrib"
set env(GDB) "$GDB --data-directory=$BUILD_DATA_DIRECTORY"
set result [catch "exec $contrib_dir/gdb-add-index.sh $program" output]
if { $result != 0 } {
verbose -log "result is $result"
verbose -log "output is $output"
return 0
}
return 1
}
# Build a copy of the program with an index (.gdb_index/.debug_names).
# But only if the toolchain didn't already create one: gdb doesn't support
# building an index from a program already using one.
set test "check if index present"
gdb_test_multiple "mt print objfiles ${testfile}" $test {
-re "gdb_index.*${gdb_prompt} $" {
set binfile_with_index $binfile
}
-re "debug_names.*${gdb_prompt} $" {
set binfile_with_index $binfile
}
-re "Psymtabs.*${gdb_prompt} $" {
if { [add_gdb_index $binfile] != "1" } {
return -1
}
set binfile_with_index $binfile
}
}
# Ok, we have a copy of $binfile with an index.
# Restart gdb and verify the index was used.
clean_restart ${binfile_with_index}
gdb_test "mt print objfiles ${testfile}" \
"(gdb_index|debug_names).*" \
"index used"
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