1# Copyright 2000, 2001, 2004, 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 Michael Snyder (msnyder@redhat.com)
18
19if $tracelevel then {
20	strace $tracelevel
21}
22
23
24set testfile "return2"
25set srcfile ${testfile}.c
26set binfile ${objdir}/${subdir}/${testfile}
27if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
28     untested return2.exp
29     return -1
30}
31
32proc return_1 { type } {
33    global gdb_prompt
34
35    gdb_test "break ${type}_func" "Breakpoint \[0123456789\].*" \
36	    "set break on ${type}_func"
37    gdb_test "continue" "Breakpoint.* ${type}_func.*" \
38	    "continue to ${type}_func"
39
40    gdb_test_multiple "return testval.${type}_testval" \
41	"return from ${type}_func" {
42	    -re "Make ${type}_func return now.*y or n. $" {
43		send_gdb "y\n"
44		exp_continue
45	    }
46	    -re ".*${type}_resultval *= ${type}_func.*$gdb_prompt $" {
47		send_gdb "step\n"
48		exp_continue
49	    }
50	    -re ".*${type}_checkpoint.*$gdb_prompt $" {
51		pass "return from ${type}_func"
52	    }
53	}
54    gdb_test "print ${type}_resultval == testval.${type}_testval" ".* = 1" \
55	    "${type} value returned successfully"
56    gdb_test "print ${type}_resultval != ${type}_returnval" ".* = 1" \
57	    "validate result value not equal to program return value"
58}
59
60proc return_void { } {
61    global gdb_prompt
62
63    gdb_test "break void_func" "Breakpoint \[0123456789\].*" \
64	    "set break on void_func"
65    gdb_test "continue" "Breakpoint.* void_func.*" \
66	    "continue to void_func"
67
68    gdb_test_multiple "return" "return from void_func" {
69	-re "Make void_func return now.*y or n. $" {
70	    send_gdb "y\n"
71	    exp_continue
72	}
73	-re ".*void_func.*call to void_func.*$gdb_prompt $" {
74	    send_gdb "step\n"
75	    exp_continue
76	}
77	-re ".*void_checkpoint.*$gdb_prompt $" {
78	    pass "return from void_func"
79	}
80    }
81    gdb_test "print void_test == 0" ".* = 1" \
82	    "void function returned successfully"
83}
84
85proc return2_tests { } {
86    global gdb_prompt
87
88    if { ! [ runto_main ] } then {
89	untested return2.exp
90	return -1
91    }
92
93    return_void
94    return_1 "char"
95    return_1 "short"
96    return_1 "int"
97    return_1 "long"
98    if { ! [istarget "m6811-*-*"] && ![istarget "h8300*-*"] } then {
99        return_1 "long_long"
100    }
101    if ![target_info exists gdb,skip_float_tests] {
102	return_1 "float"
103	if { ! [istarget "m6811-*-*"] } then {
104	    return_1 "double"
105	}
106    }
107}
108
109# Start with a fresh gdb.
110
111gdb_exit
112gdb_start
113gdb_reinitialize_dir $srcdir/$subdir
114gdb_load ${binfile}
115
116set timeout 30
117return2_tests
118