1# Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004
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 2 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, write to the Free Software
16# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18# Please email any bugs, comments, and/or additions to this file to:
19# bug-gdb@prep.ai.mit.edu
20
21# This file was written by Elena Zannoni (ezannoni@cygnus.com)
22
23# this file tests command line calls with functions returning structures
24# corresponding source file: call_return_struct.c
25
26
27
28if $tracelevel then {
29        strace $tracelevel
30}
31
32set prms_id 0
33set bug_id 0
34
35set testfile "call-rt-st"
36set srcfile ${testfile}.c
37set binfile ${objdir}/${subdir}/${testfile}
38
39
40# Test depends on printf, which the sparclet stub doesn't support.
41if { [istarget "sparclet-*-*"] } {
42    return 0;
43}
44
45if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
46     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
47    }
48
49
50
51# Create and source the file that provides information about the compiler
52# used to compile the test case.
53
54if [get_compiler_info ${binfile}] {
55    return -1;
56}
57
58# Some targets can't do function calls, so don't even bother with this
59# test.
60if [target_info exists gdb,cannot_call_functions] {
61    setup_xfail "*-*-*" 2416
62    fail "This target can not call functions"
63    continue
64}
65
66# Set the current language to C.  This counts as a test.  If it
67# fails, then we skip the other tests.
68
69proc set_lang_c {} {
70    global gdb_prompt
71
72    send_gdb "set language c\n"
73    gdb_expect {
74	-re ".*$gdb_prompt $" {}
75	timeout { fail "set language c (timeout)" ; return 0; }
76    }
77
78    send_gdb "show language\n"
79    gdb_expect {
80	-re ".* source language is \"c\".*$gdb_prompt $" {
81	    pass "set language to \"c\""
82	    return 1
83	}
84	-re ".*$gdb_prompt $" {
85	    fail "setting language to \"c\""
86	    return 0
87	}
88	timeout {
89	    fail "can't show language (timeout)"
90	    return 0
91	}
92    }
93}
94
95# Start with a fresh gdb.
96
97gdb_exit
98gdb_start
99gdb_reinitialize_dir $srcdir/$subdir
100gdb_load ${binfile}
101send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
102send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
103send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
104
105
106if ![runto_main] then {
107    perror "couldn't run to breakpoint"
108    continue
109}
110
111
112gdb_test "break loop_count" \
113    "Breakpoint.* file .*call-rt-st.c, line 128\\." \
114    "breakpoint loop_count"
115
116
117send_gdb "continue\n"
118gdb_expect {
119 -re  "Continuing\\..*Breakpoint.*loop_count \\(\\) at.*call-rt-st.c:128\[ \t\r\n\]+128\[\t \]+for \\(index=0; index.4; index..\\);\[\r\n \]+$gdb_prompt $" {
120                 pass "continue to loop_count"}
121      -re ".*$gdb_prompt $" { fail "continue to loop_count"}
122      timeout           { fail "(timeout) continue to loop_count"}
123}
124
125send_gdb "finish\n"
126gdb_expect {
127    -re  "Run till exit from .0  loop_count \\(\\) at.*call-rt-st.c:128\[ \t\r\n\]+main \\(\\) at.*call-rt-st.c:777\[ \t\r\n\]+777\[\t \]+return 0;.*$gdb_prompt $" {
128	pass "finish out from loop_count (line 777)"
129    }
130    -re  "Run till exit from .0  loop_count \\(\\) at.*call-rt-st.c:128\[ \t\r\n\]+main \\(\\) at.*call-rt-st.c:775\[ \t\r\n\]+775\[\t \]+loop_count.*$gdb_prompt $" {
131	pass "finish out from loop_count (line 775)"
132    }
133    -re ".*$gdb_prompt $" {
134	fail "finish out from loop_count"
135    }
136    timeout {
137	fail "finish out from loop_count (timeout)"
138    }
139}
140
141# Ask GDB to print the value of EXPR, and expect to see the regexp
142# RESULT in the output.  If we get back the error message "Function
143# return value unknown", call that an `unsupported' test; on some
144# architectures, it's impossible to find structs returned by value
145# reliably.
146proc print_struct_call { expr result } {
147    global gdb_prompt
148
149    set command "print $expr"
150    send_gdb "${command}\n"
151    gdb_expect {
152        -re "$result\[\r\n\]+$gdb_prompt $" {
153            pass "$command"
154        }
155        -re "Function return value unknown.\[\r\n\]+$gdb_prompt $" {
156            unsupported "$command"
157        }
158        -re "$gdb_prompt $" {
159            fail "$command"
160        }
161        timeout {
162            fail "$command (timeout)"
163        }
164    }
165}
166
167
168if ![gdb_skip_stdio_test "print print_struct_rep(*struct1)"] {
169    print_struct_call "print_struct_rep(*struct1)" \
170            ".*Contents of struct1:\[ \t\n\r\]+22\[ \t\]+0\[ \t\n\r\]+.\[0-9\]+ = \\{value = 5, head = 0\\}"
171}
172
173if ![gdb_skip_stdio_test "print print_one_large_struct(...)"] {
174    print_struct_call "print_one_large_struct(*list1)" \
175            ".*\[ \t\]+4\[ \t\]+1\[ \r\n\]+.\[0-9\]+ = \\{next_index = \\{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\\}, values = \\{4, 6, 8, 10, 12, 14, 16, 18, 20, 22\\}, head = 0\\}"
176}
177
178if {![gdb_skip_float_test "print print_one_double(*d1)"] && \
179        ![gdb_skip_stdio_test "print print_one_double(*d1)"] } {
180    print_struct_call "print_one_double(*d1)" \
181	    ".*Contents of one_double_t:\[ \r\n\]+1\\.111110\[ \r\n\]+.\[0-9\]+ = \\{double1 = 1\\.111\[0-9\]*\\}"
182}
183
184if {![gdb_skip_float_test "print print_two_floats(*f3)"] && \
185        ![gdb_skip_stdio_test "print print_two_floats(*f3)"] } {
186    print_struct_call "print_two_floats(*f3)" \
187            ".*Contents of two_floats_t:\[ \r\n\]+-2\\.345000\[ \t]+1\\.000000\[ \r\n\]+.\[0-9\]+ = \\{float1 = -2\\.34500003, float2 = 1\\}"
188}
189
190if ![gdb_skip_stdio_test "print print_bit_flags_char(*cflags)"] {
191    print_struct_call "print_bit_flags_char(*cflags)" \
192            ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1 '\\\\001', beta = 0 '\\\\0', gamma = 1 '\\\\001', delta = 0 '\\\\0', epsilon = 1 '\\\\001', omega = 0 '\\\\0'\\}"
193}
194
195if ![gdb_skip_stdio_test "print print_bit_flags_short(*sflags)"] {
196    print_struct_call "print_bit_flags_short(*sflags)" \
197            ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}"
198}
199
200if ![gdb_skip_stdio_test "print print_bit_flags(*flags)"] {
201    print_struct_call "print_bit_flags(*flags)" \
202            ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}"
203}
204
205if ![gdb_skip_stdio_test "print print_bit_flags_combo(*flags_combo)"] {
206    print_struct_call "print_bit_flags_combo(*flags_combo)" \
207            ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+ch1: y\[ \t\]+ch2: n\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, ch1 = 121 'y', gamma = 1, delta = 0, ch2 = 110 'n', epsilon = 1, omega = 0\\}"
208}
209
210if ![gdb_skip_stdio_test "print print_three_chars(*three_chars)"] {
211    print_struct_call "print_three_chars(*three_char)" \
212            ".*Contents of three_char_t:\[ \r\n\]+x\[ \t\]+y\[ \t\]+z\[ \r\n\]+.\[0-9\]+ = \\{ch1 = 120 'x', ch2 = 121 'y', ch3 = 122 'z'\\}"
213}
214
215if ![gdb_skip_stdio_test "print print_five_chars(*five_chars)"] {
216    print_struct_call "print_five_chars(*five_char)" \
217            ".*Contents of five_char_t:\[ \r\n\]+h\[ \t\]+e\[ \t\]+l\[ \t\]+l\[ \t\]+o\[ \r\n\]+.\[0-9\]+ = \\{ch1 = 104 'h', ch2 = 101 'e', ch3 = 108 'l', ch4 = 108 'l', ch5 = 111 'o'\\}"
218}
219
220if ![gdb_skip_stdio_test "print print_int_char_combo(*int_char_combo)"] {
221    print_struct_call "print_int_char_combo(*int_char_combo)" \
222            ".*Contents of int_char_combo_t:\[ \r\n\]+13\[ \t\]+!\[ \r\n\]+.\[0-9\]+ = \\{int1 = 13, ch1 = 33 '!'\\}"
223}
224
225return
226