binutils-gdb/gdb/testsuite/gdb.server/connect-with-no-symbol-file.exp
Tom de Vries 3581f5e4f7 [gdb/testsuite] Fix gdb.server/connect-with-no-symbol-file.exp for remote target
Test-case gdb.server/connect-with-no-symbol-file.exp fails with target board
remote-gdbserver-on-localhost.

The problem is here:
...
       set target_exec [gdb_remote_download target $binfile.bak $binfile]
...
A "gdb_remote_download target" copies from build to target.  So $binfile is
assumed to be a target path, but it's actually a build path.

Fix this by:
- fist copying $binfile.bak to $binfile, and
- simply doing [gdb_remote_download target $binfile].

Then, $binfile.bak is created here:
...
 # Make sure we have the original symbol file in a safe place to copy from.
 gdb_remote_download host $binfile $binfile.bak
...
and since "gdb_remote_download host" copies from build to host, $binfile.bak
is assumed to be a host path, but it's actually a build path.  This happens to
cause no problems in this configuration (because build == host), but it would
for a remote host configuration.

So let's fix this by making build rather than host the "safe place to copy
from".

Tested on x86_64-linux.
2023-03-09 10:45:03 +01:00

106 lines
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# This testcase is part of GDB, the GNU debugger.
# Copyright 2016-2023 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/>.
# Test GDB's ability to properly connect to GDBserver with no pre-opened
# symbol file. If GDB is buggy, it will drop the connection when
# it attempts to open the symbol file indicated by GDBserver and fails.
#
# This test is only meaningful for standard remote connections.
load_lib gdbserver-support.exp
standard_testfile
require allow_gdbserver_tests
if { [build_executable "failed to prepare" $testfile $srcfile debug] } {
return -1
}
# Test connecting GDB to GDBserver without loading a symbol file.
#
# SYSROOT is the desired sysroot string
#
# ACTION is the action to perform to the symbol file on the target.
# It can be either "permission" to deny access to the file or "delete"
# to remove the file.
#
proc connect_no_symbol_file { sysroot action } {
global binfile
with_test_prefix "setup" {
# Restore original $binfile.
gdb_remote_download build $binfile.bak $binfile
# Copy the symbol file to the target.
set target_exec [gdb_remote_download target $binfile]
# Make sure we're disconnected, in case we're testing with an
# extended-remote board, therefore already connected.
gdb_test "disconnect" ".*"
# Set sysroot to something non-target and possibly also invalid so that
# GDB is unable to open the symbol file.
gdb_test_no_output "set sysroot $sysroot" "adjust sysroot"
# Start GDBserver.
set res [gdbserver_start "" $target_exec]
set gdbserver_protocol [lindex $res 0]
set gdbserver_gdbport [lindex $res 1]
# Perform test actions to the symbol file on the target.
if {$action == "delete"} {
remote_file target delete $target_exec
} elseif { $action == "permission" } {
remote_exec target "chmod 000 $target_exec"
}
# Connect to GDBserver.
gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport
}
# Check if GDB succeeded connecting to GDBserver by attempting to detach
# from the process.
# Use an explicit fail clause to prevent the implicit clause matching
# "Ending remote debugging" from triggering, which would cause silent
# failure.
set ok 0
gdb_test_multiple "detach" "" {
-re "\r\nDetaching from \[^\r\n\]*" {
set ok 1
exp_continue
}
-re -wrap "" {
}
}
gdb_assert $ok "connection to GDBserver succeeded"
}
# Make sure we have the original symbol file in a safe place to copy from.
gdb_remote_download build $binfile $binfile.bak
# Start with no executable loaded.
clean_restart
# Run the test with different permutations.
foreach_with_prefix sysroot {"" "target:"} {
foreach_with_prefix action {"permission" "delete"} {
connect_no_symbol_file $sysroot $action
}
}