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# Copyright 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/>.
# Test running an inferior with arguments.
# This does not work on boards that don't support inferior arguments.
if [target_info exists noargs] then {
verbose "skipping gdb.base/inferior-args.exp because of noargs"
return
}
standard_testfile .c
if {[build_executable "failed to prepare" $testfile $srcfile debug] == -1} {
return
}
proc do_test { method } {
global binfile hex
# The second arg is an empty string on purpose.
set inferior_args { "first arg" "" "third-arg" }
clean_restart $binfile
if { $method == "start" } {
# The start command does not make sense for a stub.
if { [use_gdb_stub] } {
return;
}
if { [gdb_start_cmd $inferior_args] < 0 } {
fail "could not issue start command"
return -1
}
# Consume up to the GDB prompt after the stop.
gdb_test "" ".*main.*" "stop at main"
} elseif { $method == "starti" } {
# The starti command does not make sense for a stub.
if { [use_gdb_stub] } {
return;
}
if { [gdb_starti_cmd $inferior_args] < 0 } {
fail "could not issue start command"
return -1
}
# Consume up to the GDB prompt after the stop.
gdb_test "" "" "stop at first instruction"
# Put a breakpoint and continue until main.
if { ![gdb_breakpoint "main" message] } {
fail "could not set breakpoint on main"
return -1
}
if { [gdb_continue "main"] != 0 } {
fail "could not continue to main"
return -1
}
} elseif { $method == "run" } {
if { ![gdb_breakpoint "main" message] } {
fail "could not set breakpoint on main"
return -1
}
# The run command does not make sense for a stub, but GDB_RUN_CMD
# does the right thing when the target is a stub (start the stub,
# connect to it, and "continue").
#
# This allows us to test arguments passed on the gdbserver command
# line.
if { [gdb_run_cmd $inferior_args] < 0 } {
fail "could not run"
return -1
}
# Consume up to the GDB prompt after the stop.
gdb_test "" ".*main.*" "stop at main"
} elseif { $method == "set args" } {
# Using "set args" does not make sense with a stub.
if { [use_gdb_stub] } {
return;
}
gdb_test_no_output "set args $inferior_args"
if { ![runto_main] } {
fail "could not run to main"
return -1
}
} else {
error "invalid method $method"
}
# Now that we are stopped at main, inspect argc/argv.
gdb_test "print argc" " = 4"
gdb_test "print argv\[0\]" " = $hex \".*\""
gdb_test "print argv\[1\]" " = $hex \"first arg\""
gdb_test "print argv\[2\]" " = $hex \"\""
gdb_test "print argv\[3\]" " = $hex \"third-arg\""
}
foreach_with_prefix method { "start" "starti" "run" "set args" } {
do_test $method
}
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