-# Copyright 2000 Free Software Foundation, Inc.
+# This testcase is part of GDB, the GNU debugger.
+
+# Copyright 2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-# Please email any bugs, comments, and/or additions to this file to:
-# bug-gdb@prep.ai.mit.edu
+if [target_info exists gdb,noinferiorio] {
+ verbose "Skipping fileio.exp because of no fileio capabilities."
+ continue
+}
if $tracelevel {
strace $tracelevel
# Query GDB for the size of various types
#
-proc get_sizeof { type default } {
+proc get_valueof { fmt exp default } {
global gdb_prompt
- send_gdb "print/d sizeof (${type})\n"
- gdb_expect {
- -re "\\$\[0-9\]* = (\[0-9\]*).*$gdb_prompt $" {
- set size $expect_out(1,string)
- pass "get sizeof ${type} ($size)"
- }
- timeout {
- set size ${default}
- fail "get sizeof ${type} (timeout)"
+
+ set test "get valueof \"${exp}\""
+ set val ${default}
+ gdb_test_multiple "print${fmt} ${exp}" "$test" {
+ -re "\\$\[0-9\]* = (\[-\]*\[0-9\]*).*$gdb_prompt $" {
+ set val $expect_out(1,string)
+ pass "$test ($val)"
}
}
- return ${size}
+ return ${val}
}
+proc get_sizeof { type default } {
+ return [get_valueof "/d" "sizeof (${type})" $default]
+}
+
+gdb_test "next"
+
set sizeof_char [get_sizeof "char" 1]
set sizeof_short [get_sizeof "short" 2]
set sizeof_int [get_sizeof "int" 4]
set sizeof_double [get_sizeof "double" 8]
set sizeof_long_double [get_sizeof "long double" 8]
-
#
# Compare GDB's idea of types with the running program
#
proc check_sizeof { type size } {
global gdb_prompt
- if [gdb_skip_stdio_test "check sizeof $type == $size"] {
- return;
- }
-
- set pat [string_to_regexp ${type}]
- send_gdb "next\n"
- gdb_expect {
- -re "sizeof \\(${pat}\\) == ${size}\[\r\n\].*$gdb_prompt $" {
- pass "check sizeof ${type} == ${size}"
- }
- -re ".*$gdb_prompt $" {
- fail "check sizeof ${type} == ${size}"
- }
- timeout {
- fail "check sizeof ${type} == ${size} (timeout)"
- }
- }
+ set pat [string_to_regexp "sizeof (${type}) == ${size}"]
+ gdb_test "next" "${pat}\[\r\n\]+\[0-9\].*" "check sizeof \"$type\""
}
check_sizeof "char" ${sizeof_char}
check_sizeof "double" ${sizeof_double}
check_sizeof "long double" ${sizeof_long_double}
+proc check_valueof { exp val } {
+ global gdb_prompt
+
+ set pat [string_to_regexp "valueof (${exp}) == ${val}"]
+ gdb_test "next" "${pat}\[\r\n\]+\[0-9\].*" "check valueof \"$exp\""
+}
+
+# Check that GDB and the target agree over the sign of a character.
+
+set signof_byte [get_valueof "/d" "'\\377'" -1]
+set signof_char [get_valueof "/d" "(int) (char) -1" -1]
+set signof_signed_char [get_valueof "/d" "(int) (signed char) -1" -1]
+set signof_unsigned_char [get_valueof "/d" "(int) (unsigned char) -1" -1]
+
+check_valueof "'\\377'" ${signof_byte}
+check_valueof "(int) (char) -1" ${signof_char}
+check_valueof "(int) (signed char) -1" ${signof_signed_char}
+check_valueof "(int) (unsigned char) -1" ${signof_unsigned_char}
+
+proc check_padding { fmt type val } {
+ global gdb_prompt
+ gdb_test "set padding_${type}.v = ${val}"
+ gdb_test "print padding_${type}.p1" "= \"The quick brown \""
+ gdb_test "print${fmt} padding_${type}.v" "= ${val}"
+ gdb_test "print padding_${type}.p2" "\"The quick brown \".*"
+}
+
+# Check that GDB is managing to store a value in a struct field
+# without corrupting the fields immediately adjacent to it.
+
+check_padding "/d" "char" 1
+check_padding "/d" "short" 2
+check_padding "/d" "int" 4
+check_padding "/d" "long" 4
+check_padding "/d" "long_long" 8
+
+# use multiples of two which can be represented exactly
+check_padding "/f" "float" 1
+check_padding "/f" "double" 2
+check_padding "/f" "long_double" 4
#
# For reference, dump out the entire architecture