1 # Copyright 1992-2016 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 # This file was written by Fred Fish. (fnf@cygnus.com)
21 if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} {
22 untested $testfile.exp
27 # Test bitfield locating and uniqueness.
28 # For each member, set that member to 1 and verify that the member (and only
29 # that member) is 1, then reset it back to 0.
32 proc bitfield_uniqueness {} {
38 if { ! [runto break1] } {
42 if [gdb_test "print flags" ".*uc = 1 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*"] {
45 if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #1"] {
48 # Note that we check for s1 as either 1 or -1, so that failure to
49 # treat it correctly as a signed 1bit field (values 0 or -1) while
50 # printing its value does not cause a spurious failure. We do the
51 # signedness preservation test later.
52 if [gdb_test "print flags" ".*uc = 0 .*, s1 = (1|-1), u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s1)"] {
55 if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #2"] {
58 if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u1)"] {
61 if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #3"] {
64 if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s2)"] {
67 if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #4"] {
70 if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 1, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u2)"] {
73 if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #5"] {
76 if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 1, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s3)"] {
79 if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #6"] {
82 if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 1, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u3)"] {
85 if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #7"] {
88 if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 1, u9 = 0, sc = 0.*" "bitfield uniqueness (s9)"] {
91 if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #8"] {
94 if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 1, sc = 0.*" "bitfield uniqueness (u9)"] {
97 if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #9"] {
100 if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 1.*" "bitfield uniqueness (sc)"] {
104 gdb_stop_suppressing_tests
109 # Test bitfield containment.
110 # Fill alternating fields with all 1's and verify that none of the bits
111 # "bleed over" to the other fields.
114 proc bitfield_containment {} {
122 if { ![runto break2] } {
126 if [gdb_test "print/x flags" "= {uc = 0xff, s1 = 0x0, u1 = 0x1, s2 = 0x0, u2 = 0x3, s3 = 0x0, u3 = 0x7, s9 = 0x0, u9 = 0x1ff, sc = 0x0}" "bitfield containment #1"] {
130 if [gdb_test "cont" "Break.*break2 \\(\\) at .*$srcfile:$decimal.*" "continuing to break2"] {
134 # If program is compiled with Sun CC, then these print out as their
135 # actual sizes; if compiled with gcc, they print out as 0xffffffff
136 # (which strikes me as bogus, but accept it at least for now).
137 if [gdb_test "print/x flags" "= {uc = 0x0, s1 = 0x(1|f*), u1 = 0x0, s2 = 0x(3|f*), u2 = 0x0, s3 = 0x(7|f*), u3 = 0x0, s9 = 0x(1ff|f*), u9 = 0x0, sc = 0xff}" "bitfield containment #2"] {
140 gdb_stop_suppressing_tests
143 # Test unsigned bitfields for unsignedness and range.
144 # Fill the unsigned fields with the maximum positive value and verify that
145 # the values are printed correctly.
147 proc bitfield_unsignedness {} {
155 if { ![runto break3] } {
159 if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 3, s3 = 0, u3 = 7, s9 = 0, u9 = 511, sc = 0.*" "unsigned bitfield ranges"] {
162 gdb_stop_suppressing_tests
166 # Test signed bitfields for signedness and range.
167 # Fill the signed fields with the maximum positive value, then the maximally
168 # negative value, then -1, and verify in each case that the values are
172 proc bitfield_signedness {} {
180 if { ! [runto break4] } {
184 if [gdb_test "print flags" "= {uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 3, u3 = 0, s9 = 255, u9 = 0, sc = 0 .*}" "signed bitfields, max positive values"] {
188 if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #1"] {
192 # Determine if the target has signed bitfields so we can xfail the
193 # the signed bitfield tests if it doesn't.
194 gdb_test_multiple "print i" "determining signed-ness of bitfields" {
195 -re ".* = -256.*$gdb_prompt $" {
196 pass "determining signed-ness of bitfields"
198 -re ".* = 256.*$gdb_prompt $" {
199 pass "determining signed-ness of bitfields"
202 -re ".*$gdb_prompt $" {
203 fail "determining signed-ness of bitfields"
207 fail "determining signed-ness of bitfields"
212 if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -2, u2 = 0, s3 = -4, u3 = 0, s9 = -256, u9 = 0, sc = 0.*" "signed bitfields, max negative values"] {
216 if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #2"] {
220 if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -1, u2 = 0, s3 = -1, u3 = 0, s9 = -1, u9 = 0, sc = 0.*" "signed bitfields with -1"] {
224 gdb_stop_suppressing_tests
227 # Test bitfields at non-zero offsets in a struct.
229 proc bitfield_at_offset {} {
235 gdb_breakpoint break5
236 if [gdb_test "cont" "Break.*break5 \\(\\) at .*$srcfile:$decimal.*" "continuing to break5"] {
240 set one ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 5, s9 = 0, u9 = 0, sc = 0.*"
241 set two ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 3, s9 = 0, u9 = 0, sc = 0.*"
242 gdb_test "print container" "$one$two" "distinct bitfields in container"
243 gdb_test "print container.one.u3" ".* = 5"
244 gdb_test "print container.two.u3" ".* = 3"
247 proc bitfield_internalvar {} {
250 # First, we create an internal var holding an instance of
251 # the struct (zeroed out).
252 gdb_test "set \$myvar = (struct internalvartest) \{0\}" "" \
255 # Now, we set the proper bits.
256 gdb_test_no_output "set \$myvar.a = 0"
257 gdb_test_no_output "set \$myvar.inner.b = 1"
258 gdb_test_no_output "set \$myvar.inner.deep.c = 0"
259 gdb_test_no_output "set \$myvar.inner.deep.d = -1"
260 gdb_test_no_output "set \$myvar.inner.e = 1"
261 gdb_test_no_output "set \$myvar.f = 1"
263 # Here comes the true testing.
264 gdb_test "print \$myvar.a" "\\$\[0-9\]\+ = 0"
265 gdb_test "print \$myvar.inner.b" "\\$\[0-9\]\+ = 1"
266 gdb_test "print \$myvar.inner.deep.c" "\\$\[0-9\]\+ = 0"
267 gdb_test "print \$myvar.inner.deep.d" "\\$\[0-9\]\+ = -1"
268 gdb_test "print \$myvar.inner.e" "\\$\[0-9\]\+ = -1"
269 gdb_test "print \$myvar.f" "\\$\[0-9\]\+ = -1"
272 gdb_test_no_output "set print sevenbit-strings"
276 bitfield_unsignedness