1# Copyright (C) 1992, 1997, 2001 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 file was written by Jeff Law. (law@cs.utah.edu)
21
22if $tracelevel then {
23	strace $tracelevel
24}
25
26set prms_id 0
27set bug_id 0
28
29set testfile "return"
30set srcfile ${testfile}.c
31set binfile ${objdir}/${subdir}/${testfile}
32if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
33     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
34}
35
36proc return_tests { } {
37    global gdb_prompt
38
39
40    if { ! [ runto func1 ] } then { return 0 }
41    send_gdb "return\n"
42    gdb_expect {
43	-re "Make .* return now.*y or n. $" {
44	    send_gdb "y\n"
45	    exp_continue
46	}
47	-re "func1 ..;.*$gdb_prompt $" {
48	    send_gdb "step\n"
49	    exp_continue
50	}
51    -re ".*in main after func1.*$gdb_prompt $" { pass "simple return" }
52    -re "$gdb_prompt $" { fail "simple return" }
53    timeout { fail "(timeout) simple return" }
54    }
55
56    # Set breakpoints in other interesting functions.
57    gdb_test "break func2" "" "break func2"
58    gdb_test "break func3" "" "break func3"
59
60    gdb_test "continue" "return -5;" "continue to return of -5"
61    send_gdb "return 5\n"
62    gdb_expect {
63	-re "Make .* return now.*y or n. $" {
64	    send_gdb "y\n"
65	    exp_continue
66	}
67    -re ".*tmp2 = func2.*$gdb_prompt $" { }
68    -re "$gdb_prompt $" { fail "did not return (integer test)" }
69    timeout { fail "(timeout) did not return (integer test)" }
70    }
71    gdb_test "next" "tmp3 = func3.*" "next over call to func2"
72
73    gdb_test "p tmp2" ".* = 5" "correct value returned (integer test)"
74
75    gdb_test "continue" "return -5.0;" "continue to return of -5.0"
76
77    # Return of a double does not work for 68hc11 (need struct return
78    # in memory).
79    setup_xfail "m6811-*-*"
80    send_gdb "return 5.0\n"
81    gdb_expect {
82	-re "Make .* return now.*y or n. $" {
83	    send_gdb "y\n"
84	    exp_continue
85	}
86	-re ".*tmp3 = func3.*$gdb_prompt $" { }
87	-re "$gdb_prompt $" { fail "did not return (double test)" }
88	timeout { fail "(timeout) did not return (double test)" }
89    }
90
91    setup_xfail "m6811-*-*"
92    gdb_test "next" "printf.*" "next over call to func3"
93
94    # This test also fails for sparc Solaris 2.3 & 2.4, but passes under 2.5
95    # At the time the `next' is issued, the floating point unit for the
96    # process is not yet initialized, and the storing of the floating
97    # point value to the floating point return register is ignored.
98    # Xfail it for current versions that are known to fail.  Presumably
99    # if some future version does initialize the floating point unit at
100    # process start, making this test pass, it will be for a version that
101    # is not xfailed.
102
103    setup_xfail "sparc-*-solaris2.3*" "sparc-*-solaris2.4*" "m6811-*-*"
104    gdb_test "p tmp3" ".* = 5.*" "correct value returned double test (known problem with sparc solaris)"
105}
106
107
108# Start with a fresh gdb.
109
110gdb_exit
111gdb_start
112gdb_reinitialize_dir $srcdir/$subdir
113gdb_load ${binfile}
114
115set timeout 30
116return_tests
117