Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 268 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.base/bitfields.exp b/gdb/testsuite/gdb.base/bitfields.exp
new file mode 100644
index 0000000..764e80c
--- /dev/null
+++ b/gdb/testsuite/gdb.base/bitfields.exp
@@ -0,0 +1,268 @@
+# 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