1 # Copyright 2003-2021 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 # This is a test for the gdb invocation option --args.
18 # Skip test if target does not support argument passing.
19 if [target_info exists noargs] {
23 # This test requires starting new inferior processes, skip it if the target
31 if {[build_executable $testfile.exp $testfile \
32 $srcfile {debug nowarnings}] == -1} {
33 untested "failed to compile"
37 proc args_test { name arglist } {
44 clean_restart $testfile
47 gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
48 gdb_continue_to_breakpoint "breakpoint for $name"
50 set expected_len [expr 1 + [llength $arglist]]
51 gdb_test "print argc" "\\\$$decimal = $expected_len" "argc for $name"
54 foreach arg $arglist {
55 gdb_test "print argv\[$i\]" "\\\$$decimal = $hex \"$arg\"" \
56 "argv\[$i\] for $name"
62 # Test that the --args are processed correctly.
65 save_vars { GDBFLAGS } {
66 set old_gdbflags $GDBFLAGS
68 set GDBFLAGS "$old_gdbflags --args $binfile 1 3"
69 args_test basic {{1} {3}}
72 # Test that the --args are processed correctly even if one of them is empty.
73 # The syntax needed is a little peculiar; DejaGNU treats the arguments as a
74 # list and expands them itself, since no shell redirection is involved.
76 set GDBFLAGS "$old_gdbflags --args $binfile 1 {} 3"
77 args_test "one empty" {{1} {} {3}}
80 # try with 2 empty args
82 set GDBFLAGS "$old_gdbflags --args $binfile 1 {} {} 3"
83 args_test "two empty" {{1} {} {} 3}
85 # Try with arguments containing literal single quotes.
87 set GDBFLAGS "$old_gdbflags --args $binfile 1 '' 3"
88 args_test "one empty (with single quotes)" {{1} {''} {3}}
90 set GDBFLAGS "$old_gdbflags --args $binfile 1 '' '' 3"
91 args_test "two empty (with single quotes)" {{1} {''} {''} {3}}
93 # try with arguments containing literal newlines.
95 set GDBFLAGS "-nx --args $binfile 1 {\n} 3"
96 args_test "one newline" {{1} {\\n} {3}}
98 set GDBFLAGS "-nx --args $binfile 1 {\n} {\n} 3"
99 args_test "two newlines" {{1} {\\n} {\\n} {3}}