183 lines
4.9 KiB
Plaintext
183 lines
4.9 KiB
Plaintext
# This testcase is part of GDB, the GNU debugger.
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# Copyright 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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if [target_info exists gdb,noinferiorio] {
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verbose "Skipping fileio.exp because of no fileio capabilities."
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continue
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}
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if $tracelevel {
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strace $tracelevel
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}
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#
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# test running programs
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#
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set prms_id 0
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set bug_id 0
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set testfile "sizeof"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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}
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if [get_compiler_info ${binfile}] {
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return -1;
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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#
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# set it up at a breakpoint so we can play with the variable values
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#
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if ![runto_main] then {
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perror "couldn't run to breakpoint"
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continue
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}
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#
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# Query GDB for the size of various types
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#
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proc get_valueof { fmt exp default } {
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global gdb_prompt
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set test "get valueof \"${exp}\""
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set val ${default}
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gdb_test_multiple "print${fmt} ${exp}" "$test" {
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-re "\\$\[0-9\]* = (\[-\]*\[0-9\]*).*$gdb_prompt $" {
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set val $expect_out(1,string)
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pass "$test ($val)"
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}
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}
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return ${val}
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}
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proc get_sizeof { type default } {
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return [get_valueof "/d" "sizeof (${type})" $default]
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}
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gdb_test "next"
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set sizeof_char [get_sizeof "char" 1]
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set sizeof_short [get_sizeof "short" 2]
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set sizeof_int [get_sizeof "int" 4]
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set sizeof_long [get_sizeof "long" 4]
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set sizeof_long_long [get_sizeof "long long" 8]
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set sizeof_data_ptr [get_sizeof "void *" 4]
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set sizeof_func_ptr [get_sizeof "void (*)(void)" 4]
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set sizeof_float [get_sizeof "float" 4]
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set sizeof_double [get_sizeof "double" 8]
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set sizeof_long_double [get_sizeof "long double" 8]
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#
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# Compare GDB's idea of types with the running program
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#
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proc check_sizeof { type size } {
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global gdb_prompt
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set pat [string_to_regexp "sizeof (${type}) == ${size}"]
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gdb_test "next" "${pat}\[\r\n\]+\[0-9\].*" "check sizeof \"$type\""
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}
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check_sizeof "char" ${sizeof_char}
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check_sizeof "short" ${sizeof_short}
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check_sizeof "int" ${sizeof_int}
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check_sizeof "long" ${sizeof_long}
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check_sizeof "long long" ${sizeof_long_long}
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check_sizeof "void *" ${sizeof_data_ptr}
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check_sizeof "void (*)(void)" ${sizeof_func_ptr}
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check_sizeof "float" ${sizeof_float}
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check_sizeof "double" ${sizeof_double}
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check_sizeof "long double" ${sizeof_long_double}
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proc check_valueof { exp val } {
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global gdb_prompt
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set pat [string_to_regexp "valueof (${exp}) == ${val}"]
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gdb_test "next" "${pat}\[\r\n\]+\[0-9\].*" "check valueof \"$exp\""
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}
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# Check that GDB and the target agree over the sign of a character.
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set signof_byte [get_valueof "/d" "'\\377'" -1]
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set signof_char [get_valueof "/d" "(int) (char) -1" -1]
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set signof_signed_char [get_valueof "/d" "(int) (signed char) -1" -1]
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set signof_unsigned_char [get_valueof "/d" "(int) (unsigned char) -1" -1]
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check_valueof "'\\\\377'" ${signof_byte}
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check_valueof "(int) (char) -1" ${signof_char}
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check_valueof "(int) (signed char) -1" ${signof_signed_char}
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check_valueof "(int) (unsigned char) -1" ${signof_unsigned_char}
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proc check_padding { fmt type val } {
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global gdb_prompt
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gdb_test "set padding_${type}.v = ${val}"
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gdb_test "print padding_${type}.p1" "= \"The quick brown \""
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gdb_test "print${fmt} padding_${type}.v" "= ${val}"
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gdb_test "print padding_${type}.p2" "\"The quick brown \".*"
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}
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# Check that GDB is managing to store a value in a struct field
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# without corrupting the fields immediately adjacent to it.
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check_padding "/d" "char" 1
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check_padding "/d" "short" 2
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check_padding "/d" "int" 4
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check_padding "/d" "long" 4
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check_padding "/d" "long_long" 8
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# use multiples of two which can be represented exactly
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check_padding "/f" "float" 1
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check_padding "/f" "double" 2
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check_padding "/f" "long_double" 4
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#
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# For reference, dump out the entire architecture
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#
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# The output is very long so use a while loop to consume it
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send_gdb "maint print arch\n"
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set ok 1
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while { $ok } {
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gdb_expect {
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-re ".*dump" {
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#pass "maint print arch $ok"
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#set ok [expr $ok + 1]
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}
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-re "$gdb_prompt $" {
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pass "maint print arch"
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set ok 0
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}
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timeout {
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fail "maint print arch (timeout)"
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set ok 0
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}
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}
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}
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