1 # This testcase is part of GDB, the GNU debugger.
3 # Copyright 2000, 2002-2005, 2007-2012 Free Software Foundation, Inc.
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
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
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.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18 if [target_info exists gdb,noinferiorio] {
19 verbose "Skipping fileio.exp because of no fileio capabilities."
24 # test running programs
28 set srcfile ${testfile}.c
29 set binfile ${objdir}/${subdir}/${testfile}
30 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
35 if [get_compiler_info] {
41 gdb_reinitialize_dir $srcdir/$subdir
45 # set it up at a breakpoint so we can play with the variable values
48 if ![runto_main] then {
49 perror "couldn't run to breakpoint"
54 # Query GDB for the size of various types
59 set sizeof_char [get_sizeof "char" 1]
60 set sizeof_short [get_sizeof "short" 2]
61 set sizeof_int [get_sizeof "int" 4]
62 set sizeof_long [get_sizeof "long" 4]
63 set sizeof_long_long [get_sizeof "long long" 8]
65 set sizeof_data_ptr [get_sizeof "void *" 4]
66 set sizeof_func_ptr [get_sizeof "void (*)(void)" 4]
68 set sizeof_float [get_sizeof "float" 4]
69 set sizeof_double [get_sizeof "double" 8]
70 set sizeof_long_double [get_sizeof "long double" 8]
73 # Compare GDB's idea of types with the running program
76 proc check_sizeof { type size } {
79 set pat [string_to_regexp "sizeof (${type}) == ${size}"]
80 gdb_test "next" "${pat}\[\r\n\]+\[0-9\].*" "check sizeof \"$type\""
83 check_sizeof "char" ${sizeof_char}
84 check_sizeof "short" ${sizeof_short}
85 check_sizeof "int" ${sizeof_int}
86 check_sizeof "long" ${sizeof_long}
87 check_sizeof "long long" ${sizeof_long_long}
89 check_sizeof "void *" ${sizeof_data_ptr}
90 check_sizeof "void (*)(void)" ${sizeof_func_ptr}
92 check_sizeof "float" ${sizeof_float}
93 check_sizeof "double" ${sizeof_double}
94 check_sizeof "long double" ${sizeof_long_double}
96 proc check_valueof { exp val } {
99 set pat [string_to_regexp "valueof (${exp}) == ${val}"]
100 gdb_test "next" "${pat}\[\r\n\]+\[0-9\].*" "check valueof \"$exp\""
103 # Check that GDB and the target agree over the sign of a character.
105 set signof_byte [get_integer_valueof "'\\377'" -1]
106 set signof_char [get_integer_valueof "(int) (char) -1" -1]
107 set signof_signed_char [get_integer_valueof "(int) (signed char) -1" -1]
108 set signof_unsigned_char [get_integer_valueof "(int) (unsigned char) -1" -1]
110 check_valueof "'\\377'" ${signof_byte}
111 check_valueof "(int) (char) -1" ${signof_char}
112 check_valueof "(int) (signed char) -1" ${signof_signed_char}
113 check_valueof "(int) (unsigned char) -1" ${signof_unsigned_char}
115 proc check_padding { fmt type val } {
117 gdb_test_no_output "set padding_${type}.v = ${val}"
118 gdb_test "print padding_${type}.p1" "= \"The quick brown \""
119 gdb_test "print${fmt} padding_${type}.v" "= ${val}"
120 gdb_test "print padding_${type}.p2" "\"The quick brown \".*"
123 # Check that GDB is managing to store a value in a struct field
124 # without corrupting the fields immediately adjacent to it.
126 check_padding "/d" "char" 1
127 check_padding "/d" "short" 2
128 check_padding "/d" "int" 4
129 check_padding "/d" "long" 4
130 check_padding "/d" "long_long" 8
132 # use multiples of two which can be represented exactly
133 check_padding "/f" "float" 1
134 check_padding "/f" "double" 2
135 check_padding "/f" "long_double" 4
138 # For reference, dump out the entire architecture
140 # The output is very long so use a while loop to consume it
141 send_gdb "maint print arch\n"
146 #pass "maint print arch $ok"
147 #set ok [expr $ok + 1]
149 -re "$gdb_prompt $" {
150 pass "maint print arch"
154 fail "maint print arch (timeout)"