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edcc8c75 | 1 | # Copyright 2000, 2002 Free Software Foundation, Inc. |
2391e11d AC |
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 | if $tracelevel { | |
21 | strace $tracelevel | |
22 | } | |
23 | ||
24 | # | |
25 | # test running programs | |
26 | # | |
27 | set prms_id 0 | |
28 | set bug_id 0 | |
29 | ||
30 | set testfile "sizeof" | |
31 | set srcfile ${testfile}.c | |
32 | set binfile ${objdir}/${subdir}/${testfile} | |
33 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
34 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." | |
35 | } | |
36 | ||
37 | if [get_compiler_info ${binfile}] { | |
38 | return -1; | |
39 | } | |
40 | ||
41 | gdb_exit | |
42 | gdb_start | |
43 | gdb_reinitialize_dir $srcdir/$subdir | |
44 | gdb_load ${binfile} | |
45 | ||
46 | # | |
47 | # set it up at a breakpoint so we can play with the variable values | |
48 | # | |
49 | ||
50 | if ![runto_main] then { | |
51 | perror "couldn't run to breakpoint" | |
52 | continue | |
53 | } | |
54 | ||
55 | # | |
56 | # Query GDB for the size of various types | |
57 | # | |
58 | ||
edcc8c75 | 59 | proc get_valueof { fmt exp default } { |
2391e11d | 60 | global gdb_prompt |
edcc8c75 | 61 | send_gdb "print${fmt} ${exp}\n" |
2391e11d | 62 | gdb_expect { |
edcc8c75 AC |
63 | -re "\\$\[0-9\]* = (\[-\]*\[0-9\]*).*$gdb_prompt $" { |
64 | set val $expect_out(1,string) | |
65 | pass "get value of ${exp} ($val)" | |
2391e11d AC |
66 | } |
67 | timeout { | |
68 | set size ${default} | |
edcc8c75 | 69 | fail "get value of ${exp} (timeout)" |
2391e11d AC |
70 | } |
71 | } | |
edcc8c75 AC |
72 | return ${val} |
73 | } | |
74 | ||
75 | proc get_sizeof { type default } { | |
76 | return [get_valueof "/d" "sizeof (${type})" $default] | |
2391e11d AC |
77 | } |
78 | ||
edcc8c75 AC |
79 | gdb_test "next" |
80 | ||
2391e11d AC |
81 | set sizeof_char [get_sizeof "char" 1] |
82 | set sizeof_short [get_sizeof "short" 2] | |
83 | set sizeof_int [get_sizeof "int" 4] | |
84 | set sizeof_long [get_sizeof "long" 4] | |
85 | set sizeof_long_long [get_sizeof "long long" 8] | |
86 | ||
87 | set sizeof_data_ptr [get_sizeof "void *" 4] | |
88 | set sizeof_func_ptr [get_sizeof "void (*)(void)" 4] | |
89 | ||
90 | set sizeof_float [get_sizeof "float" 4] | |
91 | set sizeof_double [get_sizeof "double" 8] | |
92 | set sizeof_long_double [get_sizeof "long double" 8] | |
93 | ||
2391e11d AC |
94 | # |
95 | # Compare GDB's idea of types with the running program | |
96 | # | |
97 | ||
98 | proc check_sizeof { type size } { | |
99 | global gdb_prompt | |
13a5e3b8 MS |
100 | |
101 | if [gdb_skip_stdio_test "check sizeof $type == $size"] { | |
102 | return; | |
103 | } | |
104 | ||
edcc8c75 | 105 | set pat [string_to_regexp "sizeof (${type}) == ${size}"] |
2391e11d AC |
106 | send_gdb "next\n" |
107 | gdb_expect { | |
edcc8c75 | 108 | -re "${pat}\[\r\n\].*$gdb_prompt $" { |
2391e11d AC |
109 | pass "check sizeof ${type} == ${size}" |
110 | } | |
111 | -re ".*$gdb_prompt $" { | |
112 | fail "check sizeof ${type} == ${size}" | |
113 | } | |
114 | timeout { | |
115 | fail "check sizeof ${type} == ${size} (timeout)" | |
116 | } | |
117 | } | |
118 | } | |
119 | ||
120 | check_sizeof "char" ${sizeof_char} | |
121 | check_sizeof "short" ${sizeof_short} | |
122 | check_sizeof "int" ${sizeof_int} | |
123 | check_sizeof "long" ${sizeof_long} | |
124 | check_sizeof "long long" ${sizeof_long_long} | |
125 | ||
126 | check_sizeof "void *" ${sizeof_data_ptr} | |
127 | check_sizeof "void (*)(void)" ${sizeof_func_ptr} | |
128 | ||
129 | check_sizeof "float" ${sizeof_float} | |
130 | check_sizeof "double" ${sizeof_double} | |
131 | check_sizeof "long double" ${sizeof_long_double} | |
132 | ||
edcc8c75 AC |
133 | proc check_valueof { exp val } { |
134 | global gdb_prompt | |
135 | ||
136 | if [gdb_skip_stdio_test "check valueof $exp == $val"] { | |
137 | return; | |
138 | } | |
139 | ||
140 | set pat [string_to_regexp "valueof (${exp}) == ${val}"] | |
141 | send_gdb "next\n" | |
142 | gdb_expect { | |
143 | -re "${pat}\[\r\n\].*$gdb_prompt $" { | |
144 | pass "check valueof ${exp} == ${val}" | |
145 | } | |
146 | -re ".*$gdb_prompt $" { | |
147 | fail "check valueof ${exp} == ${val}" | |
148 | } | |
149 | timeout { | |
150 | fail "check valueof ${exp} == ${val} (timeout)" | |
151 | } | |
152 | } | |
153 | } | |
154 | ||
155 | # Check that GDB and the target agree over the sign of a character. | |
156 | ||
71900fe8 | 157 | set signof_byte [get_valueof "/d" "'\\377'" -1] |
edcc8c75 AC |
158 | set signof_char [get_valueof "/d" "(int) (char) -1" -1] |
159 | set signof_signed_char [get_valueof "/d" "(int) (signed char) -1" -1] | |
160 | set signof_unsigned_char [get_valueof "/d" "(int) (unsigned char) -1" -1] | |
161 | ||
71900fe8 | 162 | check_valueof "'\\\\377'" ${signof_byte} |
edcc8c75 AC |
163 | check_valueof "(int) (char) -1" ${signof_char} |
164 | check_valueof "(int) (signed char) -1" ${signof_signed_char} | |
165 | check_valueof "(int) (unsigned char) -1" ${signof_unsigned_char} | |
166 | ||
167 | proc check_padding { fmt type val } { | |
168 | global gdb_prompt | |
169 | gdb_test "set padding_${type}.v = ${val}" | |
170 | gdb_test "print padding_${type}.p1" "= \"The quick brown \"" | |
171 | gdb_test "print${fmt} padding_${type}.v" "= ${val}" | |
172 | gdb_test "print padding_${type}.p2" "\"The quick brown \".*" | |
173 | } | |
174 | ||
175 | # Check that GDB is managing to store a value in a struct field | |
176 | # without corrupting the fields immediately adjacent to it. | |
177 | ||
178 | check_padding "/d" "char" 1 | |
179 | check_padding "/d" "short" 2 | |
180 | check_padding "/d" "int" 4 | |
181 | check_padding "/d" "long" 4 | |
182 | check_padding "/d" "long_long" 8 | |
183 | ||
184 | # use multiples of two which can be represented exactly | |
185 | check_padding "/f" "float" 1 | |
186 | check_padding "/f" "double" 2 | |
187 | check_padding "/f" "long_double" 4 | |
2391e11d AC |
188 | |
189 | # | |
190 | # For reference, dump out the entire architecture | |
191 | # | |
192 | # The output is very long so use a while loop to consume it | |
193 | send_gdb "maint print arch\n" | |
194 | set ok 1 | |
195 | while { $ok } { | |
196 | gdb_expect { | |
197 | -re ".*dump" { | |
198 | #pass "maint print arch $ok" | |
199 | #set ok [expr $ok + 1] | |
200 | } | |
201 | -re "$gdb_prompt $" { | |
202 | pass "maint print arch" | |
203 | set ok 0 | |
204 | } | |
205 | timeout { | |
206 | fail "maint print arch (timeout)" | |
207 | set ok 0 | |
208 | } | |
209 | } | |
210 | } |