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# Copyright 2003-2024 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 is a test for the gdb invocation option --args.
# Skip test if target does not support argument passing.
require {!target_info exists noargs}
# This test requires starting new inferior processes, skip it if the target
# board is a stub.
require !use_gdb_stub
standard_testfile
if {[build_executable $testfile.exp $testfile $srcfile] == -1} {
untested "failed to compile"
return -1
}
# NAME is the name to use for the tests and ARGLIST is the list of
# arguments that are passed to GDB when it is started.
proc args_test { name arglist } {
save_vars { ::GDBFLAGS } {
set ::GDBFLAGS "$::GDBFLAGS --args $::binfile $arglist"
clean_restart $::binfile
runto_main
gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
gdb_continue_to_breakpoint "breakpoint for $name"
set expected_len [expr 1 + [llength $arglist]]
gdb_test "print argc" "\\\$$::decimal = $expected_len" "argc for $name"
set i 1
foreach arg $arglist {
if { $arg eq "\n" } {
set arg {\\n}
}
gdb_test "print argv\[$i\]" "\\\$$::decimal = $::hex \"$arg\"" \
"argv\[$i\] for $name"
set i [expr $i + 1]
}
}
}
# Test that the --args are processed correctly.
args_test basic {{1} {3}}
# Test that the --args are processed correctly even if one of them is
# empty.
args_test "one empty" {{1} {} {3}}
# Try with 2 empty args.
args_test "two empty" {{1} {} {} 3}
# Try with arguments containing literal single quotes.
args_test "one empty with single quotes" {{1} {''} {3}}
args_test "two empty with single quotes" {{1} {''} {''} {3}}
# Try with arguments containing literal newlines.
args_test "one newline" {{1} "\n" {3}}
args_test "two newlines" {{1} "\n" "\n" {3}}
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