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# Copyright 2022-2024 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/>.
#
# This test compiles two executables: crc_mismatch and crc_mismatch-2
# and then strips them of debuginfo creating separate debug files. The test
# then replaces crc_mismatch-2.debug with crc_mismatch.debug to trigger
# "CRC mismatch" warning. A local debuginfod server is setup to supply
# the correct debug file, now when GDB looks up the debug info no warning
# is given.
standard_testfile .c -2.c
load_lib debuginfod-support.exp
require allow_debuginfod_tests
if {[build_executable "build executable" $testfile $srcfile debug] == -1} {
untested "failed to compile"
return -1
}
# The procedure gdb_gnu_strip_debug will produce an executable called
# ${binfile}, which is just like the executable ($binfile) but without
# the debuginfo. Instead $binfile has a .gnu_debuglink section which
# contains the name of a debuginfo only file.
if {[gdb_gnu_strip_debug $binfile]} {
# Check that you have a recent version of strip and objcopy installed.
unsupported "cannot produce separate debug info files"
return -1
}
set debugfile [standard_output_file ${testfile}.debug]
set debugdir [standard_output_file "debug"]
remote_exec build "mkdir $debugdir"
remote_exec build "mkdir -p [file dirname $debugfile]"
remote_exec build "mv -f [standard_output_file ${testfile}.debug] $debugfile"
# Test CRC mismatch is reported.
if {[build_executable crc_mismatch.exp crc_mismatch-2 crc_mismatch-2.c debug] != -1
&& ![gdb_gnu_strip_debug [standard_output_file crc_mismatch-2]]} {
# Copy the correct debug file for crc_mismatch-2 to the debugdir
# which is going to be used by local debuginfod.
remote_exec build "cp [standard_output_file crc_mismatch-2.debug] ${debugdir}"
# Move the unmatching debug file for crc_mismatch-2 instead of its real one
# to trigger the "CRC mismatch" warning.
remote_exec build "mv ${debugfile} [standard_output_file crc_mismatch-2.debug]"
clean_restart
set escapedobjdirsubdir [string_to_regexp [standard_output_file {}]]
gdb_test "file [standard_output_file crc_mismatch-2]" \
[multi_line \
"Reading symbols from ${escapedobjdirsubdir}/crc_mismatch-2\\.\\.\\." \
"warning: the debug information found in \"${escapedobjdirsubdir}/crc_mismatch-2\\.debug\" does not match \"${escapedobjdirsubdir}/crc_mismatch-2\" \\(CRC mismatch\\)\\." \
"\\(No debugging symbols found in .*\\)"] \
"CRC mismatch is reported"
# Do the same thing again, but this time check that the styling is
# correct.
with_test_prefix "check styling" {
with_ansi_styling_terminal {
clean_restart
set debug_file_re [style "${escapedobjdirsubdir}/crc_mismatch-2\\.debug" file]
set exe_file_re [style "${escapedobjdirsubdir}/crc_mismatch-2" file]
gdb_test "file [standard_output_file crc_mismatch-2]" \
[multi_line \
"Reading symbols from ${exe_file_re}\\.\\.\\." \
"warning: the debug information found in \"${debug_file_re}\" does not match \"${exe_file_re}\" \\(CRC mismatch\\)\\." \
"\\(No debugging symbols found in \[^\r\n\]+\\)"] \
"CRC mismatch is reported"
}
}
# Restart GDB with styling disabled.
clean_restart
}
# Create CACHE and DB directories ready for debuginfod to use.
prepare_for_debuginfod cache db
# Start debuginfod server, test the correct debuginfo was fetched
# from the server so there're not warnings anymore.
proc_with_prefix local_debuginfod { } {
global binfile db debugdir cache
set escapedobjdirsubdir [string_to_regexp [standard_output_file {}]]
set url [start_debuginfod $db $debugdir]
if {$url eq ""} {
unresolved "failed to start debuginfod server"
return
}
# Point the client to the server.
setenv DEBUGINFOD_URLS $url
# GDB should now find the symbol and source files.
clean_restart
# Enable debuginfod and fetch the debuginfo.
gdb_test_no_output "set debuginfod enabled on"
gdb_test "file $binfile" ".*Reading symbols from.*debuginfo.*" \
"file [file tail $binfile] cmd on"
# CRC mismatch should not be reported now because the correct debuginfo
# should be fetched from debuginfod.
gdb_test "file [standard_output_file crc_mismatch-2]" \
[multi_line \
"Reading symbols from ${escapedobjdirsubdir}/crc_mismatch-2\\.\\.\\." \
"Downloading.*separate debug info for ${escapedobjdirsubdir}/crc_mismatch-2\\.\\.\\." \
"Reading symbols from ${cache}/\[^\r\n\]+\\.\\.\\.(?:\r\nExpanding full symbols from \[^\r\n\]+)*"] \
"debuginfod running, info downloaded, no CRC mismatch"
}
with_debuginfod_env $cache {
local_debuginfod
}
stop_debuginfod
# Spare debug files may confuse testsuite runs in the future.
remote_exec build "rm -f $debugfile"
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