1# Copyright (C) 2009, 2010, 2011 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
16proc do_test {type} {
17    set typenospace [string map {{ } -} $type]
18
19    global pf_prefix
20    set old_prefix $pf_prefix
21    lappend pf_prefix "$typenospace:"
22
23    if {[runto "func"]} {
24	# Verify that we do not crash when using "return" from a function with
25	# no debugging info.  Such function has no `struct symbol'.  It may
26	# still have an associated `struct minimal_symbol'.
27
28    	gdb_test "return -1" \
29		 "Return value type not available for selected stack frame\\.\r\nPlease use an explicit cast of the value to return\\." \
30		 "return from function with no debug info without a cast"
31
32	# Cast of the result to the proper width must be done explicitely.
33	gdb_test "return ($type) -1" "#0 .* main \\(.*"			\
34		 "return from function with no debug info with a cast"	\
35		 "Make selected stack frame return now\\? \\(y or n\\) " "y"
36
37	gdb_test "advance marker" "marker \\(.*" \
38		 "advance to marker"
39
40	# And if it returned the full width of the result.
41	gdb_test "print /d t" " = -1" "full width of the returned result"
42    }
43
44    set pf_prefix $old_prefix
45}
46
47foreach type {{signed char} {short} {int} {long} {long long}} {
48    set typeesc [string map {{ } {\ }} $type]
49    set typenospace [string map {{ } -} $type]
50
51    set testfile "return-nodebug"
52    set srcfile ${testfile}.c
53    set srcfile1 ${testfile}1.c
54    set binfile ${objdir}/${subdir}/${testfile}-${typenospace}
55
56    set additional_flags "additional_flags=-DTYPE=$typeesc"
57
58    if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object [list debug $additional_flags]] != "" } {
59	continue
60    }
61
62    # This one is compiled without debug info.
63    if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object [list $additional_flags]] != "" } {
64	continue
65    }
66
67    if { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug}] != "" } {
68	continue
69    }
70
71    gdb_exit
72    gdb_start
73    gdb_reinitialize_dir $srcdir/$subdir
74    gdb_load ${binfile}
75
76    do_test $type
77}
78