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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 2 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, write to the Free Software
15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
16
17 # Please email any bugs, comments, and/or additions to this file to:
18 # bug-gdb@prep.ai.mit.edu
19
20 # This is a test for the gdb invocation option --args.
21
22 if $tracelevel then {
23 strace $tracelevel
24 }
25
26
27 global GDBFLAGS
28
29 # Skip test if target does not support argument passing.
30 if [target_info exists noargs] {
31 return;
32 }
33
34 set testfile "args"
35 set srcfile ${testfile}.c
36 set binfile ${objdir}/${subdir}/${testfile}
37
38 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
39 untested args.exp
40 return -1
41 }
42
43 proc args_test { name arglist } {
44 global srcdir
45 global subdir
46 global binfile
47 global hex
48 global decimal
49
50 gdb_exit
51 gdb_start
52 gdb_reinitialize_dir $srcdir/$subdir
53
54 # No loading needs to be done when the target is `exec'. Some targets
55 # require that the program be loaded, however, and it doesn't hurt
56 # for `exec'.
57 gdb_load $binfile
58
59 runto_main
60 gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
61 gdb_continue_to_breakpoint "breakpoint for $name"
62
63 set expected_len [expr 1 + [llength $arglist]]
64 gdb_test "print argc" "\\\$$decimal = $expected_len" "argc for $name"
65
66 set i 1
67 foreach arg $arglist {
68 gdb_test "print argv\[$i\]" "\\\$$decimal = $hex \"$arg\"" \
69 "argv\[$i\] for $name"
70 set i [expr $i + 1]
71 }
72 }
73
74 #
75 # Test that the --args are processed correctly.
76 #
77 set old_gdbflags $GDBFLAGS
78 set GDBFLAGS "--args $binfile 1 3"
79 args_test basic {{1} {3}}
80
81 #
82 # Test that the --args are processed correctly even if one of them is empty.
83 # The syntax needed is a little peculiar; DejaGNU treats the arguments as a
84 # list and expands them itself, since no shell redirection is involved.
85 #
86 set GDBFLAGS "--args $binfile 1 {} 3"
87 args_test "one empty" {{1} {} {3}}
88
89 #
90 # try with 2 empty args
91 #
92 set GDBFLAGS "--args $binfile 1 {} {} 3"
93 args_test "two empty" {{1} {} {} 3}
94
95 # Try with arguments containing literal single quotes.
96
97 set GDBFLAGS "--args $binfile 1 '' 3"
98 args_test "one empty" {{1} {''} {3}}
99
100 set GDBFLAGS "--args $binfile 1 '' '' 3"
101 args_test "two empty" {{1} {''} {''} {3}}
102
103 set GDBFLAGS $old_gdbflags