1# Copyright 2003, 2007 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# Please email any bugs, comments, and/or additions to this file to: 17# bug-gdb@prep.ai.mit.edu 18 19# This is a test for the gdb invocation option --args. 20 21if $tracelevel then { 22 strace $tracelevel 23} 24 25 26global GDBFLAGS 27 28# Skip test if target does not support argument passing. 29if [target_info exists noargs] { 30 return; 31} 32 33set testfile "args" 34set srcfile ${testfile}.c 35set binfile ${objdir}/${subdir}/${testfile} 36 37if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } { 38 untested args.exp 39 return -1 40} 41 42proc args_test { name arglist } { 43 global srcdir 44 global subdir 45 global binfile 46 global hex 47 global decimal 48 49 gdb_exit 50 gdb_start 51 gdb_reinitialize_dir $srcdir/$subdir 52 53 # No loading needs to be done when the target is `exec'. Some targets 54 # require that the program be loaded, however, and it doesn't hurt 55 # for `exec'. 56 gdb_load $binfile 57 58 runto_main 59 gdb_breakpoint [gdb_get_line_number "set breakpoint here"] 60 gdb_continue_to_breakpoint "breakpoint for $name" 61 62 set expected_len [expr 1 + [llength $arglist]] 63 gdb_test "print argc" "\\\$$decimal = $expected_len" "argc for $name" 64 65 set i 1 66 foreach arg $arglist { 67 gdb_test "print argv\[$i\]" "\\\$$decimal = $hex \"$arg\"" \ 68 "argv\[$i\] for $name" 69 set i [expr $i + 1] 70 } 71} 72 73# 74# Test that the --args are processed correctly. 75# 76set old_gdbflags $GDBFLAGS 77set GDBFLAGS "--args $binfile 1 3" 78args_test basic {{1} {3}} 79 80# 81# Test that the --args are processed correctly even if one of them is empty. 82# The syntax needed is a little peculiar; DejaGNU treats the arguments as a 83# list and expands them itself, since no shell redirection is involved. 84# 85set GDBFLAGS "--args $binfile 1 {} 3" 86args_test "one empty" {{1} {} {3}} 87 88# 89# try with 2 empty args 90# 91set GDBFLAGS "--args $binfile 1 {} {} 3" 92args_test "two empty" {{1} {} {} 3} 93 94# Try with arguments containing literal single quotes. 95 96set GDBFLAGS "--args $binfile 1 '' 3" 97args_test "one empty" {{1} {''} {3}} 98 99set GDBFLAGS "--args $binfile 1 '' '' 3" 100args_test "two empty" {{1} {''} {''} {3}} 101 102set GDBFLAGS $old_gdbflags 103