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1bf404ef AC |
1 | # This testcase is part of GDB, the GNU debugger. |
2 | ||
b811d2c2 | 3 | # Copyright 2000-2020 Free Software Foundation, Inc. |
2391e11d AC |
4 | |
5 | # This program is free software; you can redistribute it and/or modify | |
6 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 7 | # the Free Software Foundation; either version 3 of the License, or |
2391e11d AC |
8 | # (at your option) any later version. |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
e22f8b7c | 16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
2391e11d | 17 | |
2391e11d AC |
18 | # |
19 | # test running programs | |
20 | # | |
2391e11d | 21 | |
0ab77f5f | 22 | standard_testfile |
2391e11d | 23 | |
4c93b1db | 24 | if [get_compiler_info] { |
ae59b1da | 25 | return -1 |
2391e11d AC |
26 | } |
27 | ||
5b362f04 | 28 | if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} { |
0ab77f5f TT |
29 | return -1 |
30 | } | |
2391e11d AC |
31 | |
32 | # | |
33 | # set it up at a breakpoint so we can play with the variable values | |
34 | # | |
35 | ||
36 | if ![runto_main] then { | |
37 | perror "couldn't run to breakpoint" | |
38 | continue | |
39 | } | |
40 | ||
41 | # | |
42 | # Query GDB for the size of various types | |
43 | # | |
44 | ||
41d0efca | 45 | gdb_test "next" |
edcc8c75 | 46 | |
2391e11d AC |
47 | set sizeof_char [get_sizeof "char" 1] |
48 | set sizeof_short [get_sizeof "short" 2] | |
49 | set sizeof_int [get_sizeof "int" 4] | |
50 | set sizeof_long [get_sizeof "long" 4] | |
51 | set sizeof_long_long [get_sizeof "long long" 8] | |
52 | ||
53 | set sizeof_data_ptr [get_sizeof "void *" 4] | |
54 | set sizeof_func_ptr [get_sizeof "void (*)(void)" 4] | |
55 | ||
56 | set sizeof_float [get_sizeof "float" 4] | |
57 | set sizeof_double [get_sizeof "double" 8] | |
58 | set sizeof_long_double [get_sizeof "long double" 8] | |
59 | ||
2391e11d AC |
60 | # |
61 | # Compare GDB's idea of types with the running program | |
62 | # | |
63 | ||
64 | proc check_sizeof { type size } { | |
41d0efca YQ |
65 | gdb_test "next" "" "" |
66 | gdb_test "p size" " = ${size}" "check sizeof \"$type\"" | |
2391e11d AC |
67 | } |
68 | ||
69 | check_sizeof "char" ${sizeof_char} | |
70 | check_sizeof "short" ${sizeof_short} | |
71 | check_sizeof "int" ${sizeof_int} | |
72 | check_sizeof "long" ${sizeof_long} | |
73 | check_sizeof "long long" ${sizeof_long_long} | |
74 | ||
75 | check_sizeof "void *" ${sizeof_data_ptr} | |
76 | check_sizeof "void (*)(void)" ${sizeof_func_ptr} | |
77 | ||
78 | check_sizeof "float" ${sizeof_float} | |
79 | check_sizeof "double" ${sizeof_double} | |
80 | check_sizeof "long double" ${sizeof_long_double} | |
81 | ||
edcc8c75 | 82 | proc check_valueof { exp val } { |
41d0efca | 83 | gdb_test "next" "" "" |
d6382fff | 84 | gdb_test "p /d value" " = ${val}" "check valueof \"$exp\"" |
edcc8c75 AC |
85 | } |
86 | ||
87 | # Check that GDB and the target agree over the sign of a character. | |
88 | ||
5aec60eb | 89 | set signof_byte [get_integer_valueof "(int) '\\377'" -1] |
417e16e2 PM |
90 | set signof_char [get_integer_valueof "(int) (char) -1" -1] |
91 | set signof_signed_char [get_integer_valueof "(int) (signed char) -1" -1] | |
92 | set signof_unsigned_char [get_integer_valueof "(int) (unsigned char) -1" -1] | |
edcc8c75 | 93 | |
39fb8e9e | 94 | check_valueof "'\\377'" ${signof_byte} |
edcc8c75 AC |
95 | check_valueof "(int) (char) -1" ${signof_char} |
96 | check_valueof "(int) (signed char) -1" ${signof_signed_char} | |
97 | check_valueof "(int) (unsigned char) -1" ${signof_unsigned_char} | |
98 | ||
99 | proc check_padding { fmt type val } { | |
100 | global gdb_prompt | |
27d3a1a2 | 101 | gdb_test_no_output "set padding_${type}.v = ${val}" |
edcc8c75 AC |
102 | gdb_test "print padding_${type}.p1" "= \"The quick brown \"" |
103 | gdb_test "print${fmt} padding_${type}.v" "= ${val}" | |
104 | gdb_test "print padding_${type}.p2" "\"The quick brown \".*" | |
105 | } | |
106 | ||
107 | # Check that GDB is managing to store a value in a struct field | |
108 | # without corrupting the fields immediately adjacent to it. | |
109 | ||
110 | check_padding "/d" "char" 1 | |
111 | check_padding "/d" "short" 2 | |
112 | check_padding "/d" "int" 4 | |
113 | check_padding "/d" "long" 4 | |
114 | check_padding "/d" "long_long" 8 | |
115 | ||
116 | # use multiples of two which can be represented exactly | |
117 | check_padding "/f" "float" 1 | |
118 | check_padding "/f" "double" 2 | |
119 | check_padding "/f" "long_double" 4 | |
2391e11d AC |
120 | |
121 | # | |
122 | # For reference, dump out the entire architecture | |
123 | # | |
124 | # The output is very long so use a while loop to consume it | |
125 | send_gdb "maint print arch\n" | |
126 | set ok 1 | |
127 | while { $ok } { | |
128 | gdb_expect { | |
129 | -re ".*dump" { | |
130 | #pass "maint print arch $ok" | |
131 | #set ok [expr $ok + 1] | |
132 | } | |
133 | -re "$gdb_prompt $" { | |
134 | pass "maint print arch" | |
135 | set ok 0 | |
136 | } | |
137 | timeout { | |
138 | fail "maint print arch (timeout)" | |
139 | set ok 0 | |
140 | } | |
141 | } | |
142 | } |