1# Copyright (C) 1992, 1997, 2001, 2007, 2008, 2009, 2010, 2011
2# Free Software Foundation, Inc.
3
4# This program is free software; you can redistribute it and/or modify
5# it under the terms of the GNU General Public License as published by
6# the Free Software Foundation; either version 3 of the License, or
7# (at your option) any later version.
8#
9# This program is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY; without even the implied warranty of
11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12# GNU General Public License for more details.
13#
14# You should have received a copy of the GNU General Public License
15# along with this program.  If not, see <http://www.gnu.org/licenses/>.
16
17# This file was written by Jeff Law. (law@cs.utah.edu)
18
19if { [prepare_for_testing return.exp "return"] } {
20    return -1
21}
22
23proc return_tests { } {
24    global gdb_prompt
25
26
27    if { ! [ runto func1 ] } then { return 0 }
28
29    gdb_test_multiple "return" "simple return" {
30	-re "Make .* return now.*y or n. $" {
31	    send_gdb "y\n"
32	    exp_continue
33	}
34	-re "func1 ..;.*$gdb_prompt $" {
35	    send_gdb "step\n"
36	    exp_continue
37	}
38	-re ".*in main after func1.*$gdb_prompt $" {
39	    pass "simple return"
40	}
41    }
42
43    # Set breakpoints in other interesting functions.
44    gdb_test "break func2" ".*" "break func2"
45    gdb_test "break func3" ".*" "break func3"
46
47    gdb_test "continue" "return -5;" "continue to return of -5"
48
49    gdb_test_multiple "return 5" "return value 5" {
50	-re "Make .* return now.*y or n. $" {
51	    send_gdb "y\n"
52	    exp_continue
53	}
54	-re ".*tmp2 = func2.*$gdb_prompt $" {
55	    # pass without comment
56	}
57    }
58
59    gdb_test "next" "tmp3 = func3.*" "next over call to func2"
60
61    gdb_test "p tmp2" ".* = 5" "correct value returned (integer test)"
62
63    gdb_test "continue" "return -5.0;" "continue to return of -5.0"
64
65    # Return of a double does not work for 68hc11 (need struct return
66    # in memory).
67    setup_xfail "m6811-*-*"
68
69    gdb_test_multiple "return 5.0" "return value 5.0" {
70	-re "Make .* return now.*y or n. $" {
71	    send_gdb "y\n"
72	    exp_continue
73	}
74	-re ".*tmp3 = func3.*$gdb_prompt $" {
75	    # pass without comment
76	}
77    }
78
79    setup_xfail "m6811-*-*"
80    gdb_test "next" "printf.*" "next over call to func3"
81
82    # This test also fails for sparc Solaris 2.3 & 2.4, but passes under 2.5
83    # At the time the `next' is issued, the floating point unit for the
84    # process is not yet initialized, and the storing of the floating
85    # point value to the floating point return register is ignored.
86    # Xfail it for current versions that are known to fail.  Presumably
87    # if some future version does initialize the floating point unit at
88    # process start, making this test pass, it will be for a version that
89    # is not xfailed.
90
91    setup_xfail "sparc-*-solaris2.3*" "sparc-*-solaris2.4*" "m6811-*-*"
92    if ![target_info exists gdb,skip_float_tests] {
93	gdb_test "p tmp3" ".* = 5.*" \
94	    "correct value returned double test (known problem with sparc solaris)"
95    }
96}
97
98set prev_timeout $timeout
99set timeout 30
100return_tests
101set timeout $prev_timeout
102