e22f8b7c8c
Switch the license of all .f and .f90 files to GPLv3.
Switch the license of all .s and .S files to GPLv3.
300 lines
8.3 KiB
Text
300 lines
8.3 KiB
Text
# Copyright 1992, 1994, 1995, 1997, 2004, 2007 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 3 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, see <http://www.gnu.org/licenses/>.
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# This file was adapted from bitfields.exp by Paul Hilfinger
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# (Hilfinger@gnat.com)
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#
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# Tests for bit-fields that do not fit in type (unsigned) int, but do fit
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# in type (unsigned) long long. We perform essentially the same tests as
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# in bitfields.c, which considers only bit-fields that are <= 9 bits long.
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#
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if $tracelevel then {
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strace $tracelevel
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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 "bitfields2"
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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}" "${binfile}" executable {debug}] != "" } {
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untested bitfields2.exp
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return -1
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}
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set has_signed_bitfields 1
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#
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# Continue to expected breakpoint at FUNCTION. Append TAG to make pass/fail
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# messages (to make them unique). Suppress tests on failure.
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#
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proc continue_test { function tag } {
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global decimal
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global srcfile
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if [gdb_test "cont" "Break.*$function \\(\\) at .*$srcfile:$decimal.*" "continuing to $function $tag"] {
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gdb_suppress_tests
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}
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}
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#
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# Start next test by running to tester and then to FUNCTION. Suppresses
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# tests on failure.
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#
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proc start_test { function } {
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delete_breakpoints
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if [gdb_test "break tester" "" "break tester prior to $function"] {
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gdb_suppress_tests
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}
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continue_test "tester" "prior to $function"
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if ![gdb_breakpoint $function] {
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gdb_suppress_tests
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}
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continue_test $function "#0"
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}
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#
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# Test bitfield locating and uniqueness.
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# For each member, set that member to 1 and verify that the member (and only
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# that member) is 1, then reset it back to 0.
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#
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proc bitfield_uniqueness {} {
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global decimal
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global hex
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global gdb_prompt
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global srcfile
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start_test break1
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if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 0, s1 = 1, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.s1 = 1"] {
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gdb_suppress_tests;
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}
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continue_test break1 "#1"
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if [gdb_test "print flags" ".*u1 = 1, u2 = 0, u3 = 0, s1 = 0, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.u1 = 1"] {
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gdb_suppress_tests;
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}
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continue_test break1 "#2"
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if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 0, s1 = 0, s2 = 1, s3 = 0.*" "bitfield uniqueness; flags.s2 = 1"] {
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gdb_suppress_tests;
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}
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continue_test break1 "#3"
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if [gdb_test "print flags" ".*u1 = 0, u2 = 1, u3 = 0, s1 = 0, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.u2 = 1"] {
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gdb_suppress_tests;
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}
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continue_test break1 "#4"
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if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 0, s1 = 0, s2 = 0, s3 = 1.*" "bitfield uniqueness; flags.s3 = 1"] {
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gdb_suppress_tests;
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}
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continue_test break1 "#5"
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if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 1, s1 = 0, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.u3 = 1"] {
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gdb_suppress_tests
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}
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gdb_stop_suppressing_tests;
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}
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#
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# Test bitfield containment.
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# Fill alternating fields with all 1's and verify that none of the bits
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# "bleed over" to the other fields.
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#
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proc bitfield_containment {} {
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global decimal
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global hex
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global gdb_prompt
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global srcfile
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start_test break2
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# If program is compiled with Sun CC, signed fields print out as their
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# actual sizes; if compiled with gcc, they print out as 0xffffffff.
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if [gdb_test "print/x flags" "= {u1 = 0x7fff, u2 = 0x0, u3 = 0xffff, s1 = 0x0, s2 = 0x(1ffffffff|f*), s3 = 0x0}" "bitfield containment; flags.u1, flags.u3, and flags.s3 to all 1s"] {
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gdb_suppress_tests
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}
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continue_test break2 "#1"
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if [gdb_test "print/x flags" "= {u1 = 0x0, u2 = 0x1ffffffff, u3 = 0x0, s1 = 0x(7fff|f*), s2 = 0x0, s3 = 0xf*}" "bitfield containment; flags.u2, flags.s1, flags.s2 to all 1s"] {
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gdb_suppress_tests
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}
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gdb_stop_suppressing_tests;
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}
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# Test unsigned bitfields for unsignedness and range.
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# Fill the unsigned fields with the maximum positive value and verify that
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# the values are printed correctly.
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proc bitfield_unsignedness {} {
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global decimal
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global hex
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global gdb_prompt
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global srcfile
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start_test break3
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if [gdb_test "print flags" ".*u1 = 32767, u2 = 8589934591, u3 = 65535, s1 = 0, s2 = 0, s3 = 0.*" "maximum unsigned bitfield values"] {
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gdb_suppress_tests
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}
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gdb_stop_suppressing_tests;
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}
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#
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# Test signed bitfields for signedness and range.
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# Fill the signed fields with the maximum positive value, then the maximally
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# negative value, then -1, and verify in each case that the values are
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# printed correctly.
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#
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proc bitfield_signedness {} {
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global decimal
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global hex
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global gdb_prompt
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global srcfile
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global has_signed_bitfields
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start_test break4
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if [gdb_test "print flags" "= {.*u1 = 0, u2 = 0, u3 = 0, s1 = 16383, s2 = 4294967295, s3 = 32767.*}" "maximum signed bitfield values"] {
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gdb_suppress_tests
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}
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continue_test break4 "#1"
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# Determine if the target has signed bitfields so we can skip
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# the signed bitfield tests if it doesn't.
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set test "determining signed-ness of bitfields"
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set has_signed_bitfields 0
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gdb_test_multiple "print i" $test {
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-re ".* = -32768.*$gdb_prompt $" {
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set has_signed_bitfields 1
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pass "determining signed-ness of bitfields"
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}
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-re ".* = 32768.*$gdb_prompt $" {
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pass "determining signed-ness of bitfields"
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}
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-re ".*$gdb_prompt $" {
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fail "determining signed-ness of bitfields"
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gdb_suppress_tests
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}
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}
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set test "most negative signed bitfield values"
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if $has_signed_bitfields then {
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if [gdb_test "print flags" "u1 = 0, u2 = 0, u3 = 0, s1 = -16384, s2 = -4294967296, s3 = -32768.*" $test ] {
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gdb_suppress_tests
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}
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} else {
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unsupported $test
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}
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continue_test break4 "#2"
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set test "signed bitfields containing -1"
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if $has_signed_bitfields then {
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if [gdb_test "print flags" "u1 = 0, u2 = 0, u3 = 0, s1 = -1, s2 = -1, s3 = -1.*" $test ] {
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gdb_suppress_tests
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}
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} else {
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unsupported $test
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}
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gdb_stop_suppressing_tests;
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}
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# Test setting of long long bit fields from within GDB.
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proc bitfield_set {} {
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global decimal
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global hex
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global gdb_prompt
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global srcfile
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global has_signed_bitfields
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start_test break5
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set big_set_failed 0
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set test "set long long unsigned bitfield"
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gdb_test_multiple "print flags.u2 = 0x100000000" $test {
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-re "warning: Value does not fit.*$gdb_prompt $" {
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fail "$test"
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gdb_suppress_tests
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}
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-re "= 4294967296.*$gdb_prompt $" {
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pass "$test"
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}
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}
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set test "set long long signed bitfield positive"
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gdb_test_multiple "print flags.s2 = 0x80000000" $test {
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-re "warning: Value does not fit.*$gdb_prompt $" {
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fail "$test"
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gdb_suppress_tests
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}
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-re "= 2147483648.*$gdb_prompt $" {
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pass "$test"
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}
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}
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if [gdb_test "print flags" "u1 = 0, u2 = 4294967296, u3 = 0, s1 = 0, s2 = 2147483648, s3 = 0.*" "long long bitfield values after set"] {
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gdb_suppress_tests
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}
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set test "set long long signed bitfield negative"
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if $has_signed_bitfields then {
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gdb_test_multiple "print flags.s2 = -1" $test {
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-re "warning: Value does not fit.*$gdb_prompt $" {
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fail "$test"
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gdb_suppress_tests
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}
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-re "= -1.*$gdb_prompt $" {
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pass "$test"
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}
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}
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} else {
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unsupported $test
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}
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set test "long long bitfield values after set negative"
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if $has_signed_bitfields then {
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if [gdb_test "print flags" "u1 = 0, u2 = 4294967296, u3 = 0, s1 = 0, s2 = -1, s3 = 0.*" $test] {
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gdb_suppress_tests
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}
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} else {
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unsupported $test
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}
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gdb_stop_suppressing_tests;
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}
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
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runto_main
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bitfield_uniqueness
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bitfield_containment
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bitfield_unsignedness
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bitfield_signedness
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bitfield_set
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