gdb/testsuite/
[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.base / sizeof.exp
CommitLineData
1bf404ef
AC
1# This testcase is part of GDB, the GNU debugger.
2
7b6bb8da 3# Copyright 2000, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
9b254dd1 4# Free Software Foundation, Inc.
2391e11d
AC
5
6# This program is free software; you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
e22f8b7c 8# the Free Software Foundation; either version 3 of the License, or
2391e11d
AC
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
e22f8b7c 17# along with this program. If not, see <http://www.gnu.org/licenses/>.
2391e11d 18
6bf46641
AC
19if [target_info exists gdb,noinferiorio] {
20 verbose "Skipping fileio.exp because of no fileio capabilities."
21 continue
22}
23
2391e11d
AC
24if $tracelevel {
25 strace $tracelevel
26}
27
28#
29# test running programs
30#
2391e11d
AC
31
32set testfile "sizeof"
33set srcfile ${testfile}.c
34set binfile ${objdir}/${subdir}/${testfile}
35if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
b60f0898
JB
36 untested sizeof.exp
37 return -1
2391e11d
AC
38}
39
40if [get_compiler_info ${binfile}] {
41 return -1;
42}
43
44gdb_exit
45gdb_start
46gdb_reinitialize_dir $srcdir/$subdir
47gdb_load ${binfile}
48
49#
50# set it up at a breakpoint so we can play with the variable values
51#
52
53if ![runto_main] then {
54 perror "couldn't run to breakpoint"
55 continue
56}
57
58#
59# Query GDB for the size of various types
60#
61
edcc8c75
AC
62gdb_test "next"
63
2391e11d
AC
64set sizeof_char [get_sizeof "char" 1]
65set sizeof_short [get_sizeof "short" 2]
66set sizeof_int [get_sizeof "int" 4]
67set sizeof_long [get_sizeof "long" 4]
68set sizeof_long_long [get_sizeof "long long" 8]
69
70set sizeof_data_ptr [get_sizeof "void *" 4]
71set sizeof_func_ptr [get_sizeof "void (*)(void)" 4]
72
73set sizeof_float [get_sizeof "float" 4]
74set sizeof_double [get_sizeof "double" 8]
75set sizeof_long_double [get_sizeof "long double" 8]
76
2391e11d
AC
77#
78# Compare GDB's idea of types with the running program
79#
80
81proc check_sizeof { type size } {
82 global gdb_prompt
13a5e3b8 83
edcc8c75 84 set pat [string_to_regexp "sizeof (${type}) == ${size}"]
6bf46641 85 gdb_test "next" "${pat}\[\r\n\]+\[0-9\].*" "check sizeof \"$type\""
2391e11d
AC
86}
87
88check_sizeof "char" ${sizeof_char}
89check_sizeof "short" ${sizeof_short}
90check_sizeof "int" ${sizeof_int}
91check_sizeof "long" ${sizeof_long}
92check_sizeof "long long" ${sizeof_long_long}
93
94check_sizeof "void *" ${sizeof_data_ptr}
95check_sizeof "void (*)(void)" ${sizeof_func_ptr}
96
97check_sizeof "float" ${sizeof_float}
98check_sizeof "double" ${sizeof_double}
99check_sizeof "long double" ${sizeof_long_double}
100
edcc8c75
AC
101proc check_valueof { exp val } {
102 global gdb_prompt
103
edcc8c75 104 set pat [string_to_regexp "valueof (${exp}) == ${val}"]
6bf46641 105 gdb_test "next" "${pat}\[\r\n\]+\[0-9\].*" "check valueof \"$exp\""
edcc8c75
AC
106}
107
108# Check that GDB and the target agree over the sign of a character.
109
417e16e2
PM
110set signof_byte [get_integer_valueof "'\\377'" -1]
111set signof_char [get_integer_valueof "(int) (char) -1" -1]
112set signof_signed_char [get_integer_valueof "(int) (signed char) -1" -1]
113set signof_unsigned_char [get_integer_valueof "(int) (unsigned char) -1" -1]
edcc8c75 114
39fb8e9e 115check_valueof "'\\377'" ${signof_byte}
edcc8c75
AC
116check_valueof "(int) (char) -1" ${signof_char}
117check_valueof "(int) (signed char) -1" ${signof_signed_char}
118check_valueof "(int) (unsigned char) -1" ${signof_unsigned_char}
119
120proc check_padding { fmt type val } {
121 global gdb_prompt
27d3a1a2 122 gdb_test_no_output "set padding_${type}.v = ${val}"
edcc8c75
AC
123 gdb_test "print padding_${type}.p1" "= \"The quick brown \""
124 gdb_test "print${fmt} padding_${type}.v" "= ${val}"
125 gdb_test "print padding_${type}.p2" "\"The quick brown \".*"
126}
127
128# Check that GDB is managing to store a value in a struct field
129# without corrupting the fields immediately adjacent to it.
130
131check_padding "/d" "char" 1
132check_padding "/d" "short" 2
133check_padding "/d" "int" 4
134check_padding "/d" "long" 4
135check_padding "/d" "long_long" 8
136
137# use multiples of two which can be represented exactly
138check_padding "/f" "float" 1
139check_padding "/f" "double" 2
140check_padding "/f" "long_double" 4
2391e11d
AC
141
142#
143# For reference, dump out the entire architecture
144#
145# The output is very long so use a while loop to consume it
146send_gdb "maint print arch\n"
147set ok 1
148while { $ok } {
149 gdb_expect {
150 -re ".*dump" {
151 #pass "maint print arch $ok"
152 #set ok [expr $ok + 1]
153 }
154 -re "$gdb_prompt $" {
155 pass "maint print arch"
156 set ok 0
157 }
158 timeout {
159 fail "maint print arch (timeout)"
160 set ok 0
161 }
162 }
163}
This page took 1.053965 seconds and 4 git commands to generate.