1# Copyright 2003-2020 Free Software Foundation, Inc. 2 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. 7# 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. 12# 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/>. 15 16# This is a test for the gdb invocation option --args. 17 18 19global GDBFLAGS 20 21# Skip test if target does not support argument passing. 22if [target_info exists noargs] { 23 return 24} 25 26# This test requires starting new inferior processes, skip it if the target 27# board is a stub. 28if [use_gdb_stub] { 29 return 30} 31 32standard_testfile 33 34if {[build_executable $testfile.exp $testfile \ 35 $srcfile {debug nowarnings}] == -1} { 36 untested "failed to compile" 37 return -1 38} 39 40proc args_test { name arglist } { 41 global srcdir 42 global subdir 43 global testfile 44 global hex 45 global decimal 46 47 clean_restart $testfile 48 49 runto_main 50 gdb_breakpoint [gdb_get_line_number "set breakpoint here"] 51 gdb_continue_to_breakpoint "breakpoint for $name" 52 53 set expected_len [expr 1 + [llength $arglist]] 54 gdb_test "print argc" "\\\$$decimal = $expected_len" "argc for $name" 55 56 set i 1 57 foreach arg $arglist { 58 gdb_test "print argv\[$i\]" "\\\$$decimal = $hex \"$arg\"" \ 59 "argv\[$i\] for $name" 60 set i [expr $i + 1] 61 } 62} 63 64# 65# Test that the --args are processed correctly. 66# 67set old_gdbflags $GDBFLAGS 68 69set GDBFLAGS "$old_gdbflags --args $binfile 1 3" 70args_test basic {{1} {3}} 71 72# 73# Test that the --args are processed correctly even if one of them is empty. 74# The syntax needed is a little peculiar; DejaGNU treats the arguments as a 75# list and expands them itself, since no shell redirection is involved. 76# 77set GDBFLAGS "$old_gdbflags --args $binfile 1 {} 3" 78args_test "one empty" {{1} {} {3}} 79 80# 81# try with 2 empty args 82# 83set GDBFLAGS "$old_gdbflags --args $binfile 1 {} {} 3" 84args_test "two empty" {{1} {} {} 3} 85 86# Try with arguments containing literal single quotes. 87 88set GDBFLAGS "$old_gdbflags --args $binfile 1 '' 3" 89args_test "one empty (with single quotes)" {{1} {''} {3}} 90 91set GDBFLAGS "$old_gdbflags --args $binfile 1 '' '' 3" 92args_test "two empty (with single quotes)" {{1} {''} {''} {3}} 93 94# try with arguments containing literal newlines. 95 96set GDBFLAGS "-nx --args $binfile 1 {\n} 3" 97args_test "one newline" {{1} {\\n} {3}} 98 99set GDBFLAGS "-nx --args $binfile 1 {\n} {\n} 3" 100args_test "two newlines" {{1} {\\n} {\\n} {3}} 101 102set GDBFLAGS $old_gdbflags 103