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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
commitc906108c21474dfb4ed285bcc0ac6fe02cd400cc (patch)
treea0015aa5cedc19ccbab307251353a41722a3ae13 /gdb/testsuite/gdb.base/bitfields.exp
parentcd946cff9ede3f30935803403f06f6ed30cad136 (diff)
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Initial creation of sourceware repositorygdb-4_18-branchpoint
Diffstat (limited to 'gdb/testsuite/gdb.base/bitfields.exp')
-rw-r--r--gdb/testsuite/gdb.base/bitfields.exp268
1 files changed, 268 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/bitfields.exp b/gdb/testsuite/gdb.base/bitfields.exp
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+# Copyright (C) 1992, 1994, 1997 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
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# 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
+
+# This file was written by Fred Fish. (fnf@cygnus.com)
+
+if $tracelevel then {
+ strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+set testfile "bitfields"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+}
+
+#
+# Test bitfield locating and uniqueness.
+# For each member, set that member to 1 and verify that the member (and only
+# that member) is 1, then reset it back to 0.
+#
+
+proc bitfield_uniqueness {} {
+ global decimal
+ global hex
+ global gdb_prompt
+ global srcfile
+
+ if { ! [runto break1] } {
+ gdb_suppress_tests;
+ }
+
+ if [gdb_test "print flags" ".*uc = 1 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*"] {
+ gdb_suppress_tests;
+ }
+ if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #1"] {
+ gdb_suppress_tests;
+ }
+ # Note that we check for s1 as either 1 or -1, so that failure to
+ # treat it correctly as a signed 1bit field (values 0 or -1) while
+ # printing its value does not cause a spurious failure. We do the
+ # signedness preservation test later.
+ if [gdb_test "print flags" ".*uc = 0 .*, s1 = (1|-1), u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s1)"] {
+ gdb_suppress_tests;
+ }
+ if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #2"] {
+ gdb_suppress_tests;
+ }
+ if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u1)"] {
+ gdb_suppress_tests;
+ }
+ if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #3"] {
+ gdb_suppress_tests;
+ }
+ if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s2)"] {
+ gdb_suppress_tests;
+ }
+ if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #4"] {
+ gdb_suppress_tests;
+ }
+ if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 1, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u2)"] {
+ gdb_suppress_tests;
+ }
+ if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #5"] {
+ gdb_suppress_tests;
+ }
+ if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 1, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s3)"] {
+ gdb_suppress_tests;
+ }
+ if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #6"] {
+ gdb_suppress_tests;
+ }
+ if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 1, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u3)"] {
+ gdb_suppress_tests
+ }
+ if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #7"] {
+ gdb_suppress_tests
+ }
+ if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 1, u9 = 0, sc = 0.*" "bitfield uniqueness (s9)"] {
+ gdb_suppress_tests
+ }
+ if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #8"] {
+ gdb_suppress_tests
+ }
+ if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 1, sc = 0.*" "bitfield uniqueness (u9)"] {
+ gdb_suppress_tests
+ }
+ if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #9"] {
+ gdb_suppress_tests
+ }
+ if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 1.*" "bitfield uniqueness (sc)"] {
+ gdb_suppress_tests
+ }
+ # Hmmmm?
+ gdb_stop_suppressing_tests;
+}
+
+
+#
+# Test bitfield containment.
+# Fill alternating fields with all 1's and verify that none of the bits
+# "bleed over" to the other fields.
+#
+
+proc bitfield_containment {} {
+ global decimal
+ global hex
+ global gdb_prompt
+ global srcfile
+
+ delete_breakpoints
+
+ if { ![runto break2] } {
+ gdb_suppress_tests
+ }
+
+ if [gdb_test "print/x flags" "= {uc = 0xff, s1 = 0x0, u1 = 0x1, s2 = 0x0, u2 = 0x3, s3 = 0x0, u3 = 0x7, s9 = 0x0, u9 = 0x1ff, sc = 0x0}" "bitfield containment #1"] {
+ gdb_suppress_tests
+ }
+
+ if [gdb_test "cont" "Break.*break2 \\(\\) at .*$srcfile:$decimal.*" "continuing to break2"] {
+ gdb_suppress_tests
+ }
+
+ # If program is compiled with Sun CC, then these print out as their
+ # actual sizes; if compiled with gcc, they print out as 0xffffffff
+ # (which strikes me as bogus, but accept it at least for now).
+ if [gdb_test "print/x flags" "= {uc = 0x0, s1 = 0x(1|f*), u1 = 0x0, s2 = 0x(3|f*), u2 = 0x0, s3 = 0x(7|f*), u3 = 0x0, s9 = 0x(1ff|f*), u9 = 0x0, sc = 0xff}" "bitfield containment #2"] {
+ gdb_suppress_tests
+ }
+ gdb_stop_suppressing_tests;
+}
+
+# Test unsigned bitfields for unsignedness and range.
+# Fill the unsigned fields with the maximum positive value and verify that
+# the values are printed correctly.
+
+proc bitfield_unsignedness {} {
+ global decimal
+ global hex
+ global gdb_prompt
+ global srcfile
+
+ delete_breakpoints
+
+ if { ![runto break3] } {
+ gdb_suppress_tests
+ }
+
+ if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 3, s3 = 0, u3 = 7, s9 = 0, u9 = 511, sc = 0.*" "unsigned bitfield ranges"] {
+ gdb_suppress_tests
+ }
+ gdb_stop_suppressing_tests;
+}
+
+#
+# Test signed bitfields for signedness and range.
+# Fill the signed fields with the maximum positive value, then the maximally
+# negative value, then -1, and verify in each case that the values are
+# printed correctly.
+#
+
+proc bitfield_signedness {} {
+ global decimal
+ global hex
+ global gdb_prompt
+ global srcfile
+
+ delete_breakpoints
+
+ if { ! [runto break4] } {
+ gdb_suppress_tests
+ }
+
+ if [gdb_test "print flags" "= {uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 3, u3 = 0, s9 = 255, u9 = 0, sc = 0 .*}" "signed bitfields, max positive values"] {
+ gdb_suppress_tests
+ }
+
+ if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #1"] {
+ gdb_suppress_tests
+ }
+
+ # Determine if the target has signed bitfields so we can xfail the
+ # the signed bitfield tests if it doesn't.
+ send_gdb "print i\n"
+ gdb_expect {
+ -re ".* = -256.*$gdb_prompt $" {
+ pass "determining signed-ness of bitfields"
+ }
+ -re ".* = 256.*$gdb_prompt $" {
+ pass "determining signed-ness of bitfields"
+ setup_xfail "*-*-*"
+ }
+ -re ".*$gdb_prompt $" {
+ fail "determining signed-ness of bitfields"
+ gdb_suppress_tests
+ }
+ default {
+ fail "determining signed-ness of bitfields" ;
+ gdb_suppress_tests;
+ }
+ }
+
+ if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -2, u2 = 0, s3 = -4, u3 = 0, s9 = -256, u9 = 0, sc = 0.*" "signed bitfields, max negative values"] {
+ gdb_suppress_tests
+ }
+
+ if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #2"] {
+ gdb_suppress_tests
+ }
+
+ 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"] {
+ gdb_suppress_tests
+ }
+ # Hmmmm???
+ gdb_stop_suppressing_tests;
+}
+
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
+
+bitfield_uniqueness
+if [istarget "mips-idt-*"] then {
+ # Restart because IDT/SIM runs out of file descriptors.
+ gdb_exit
+ gdb_start
+ gdb_reinitialize_dir $srcdir/$subdir
+ gdb_load ${binfile}
+}
+bitfield_containment
+if [istarget "mips-idt-*"] then {
+ # Restart because IDT/SIM runs out of file descriptors.
+ gdb_exit
+ gdb_start
+ gdb_reinitialize_dir $srcdir/$subdir
+ gdb_load ${binfile}
+}
+bitfield_unsignedness
+if [istarget "mips-idt-*"] then {
+ # Restart because IDT/SIM runs out of file descriptors.
+ gdb_exit
+ gdb_start
+ gdb_reinitialize_dir $srcdir/$subdir
+ gdb_load ${binfile}
+}
+bitfield_signedness