GDB 7.6.50

gdb/testsuite/gdb.base/bitfields.exp

-# Copyright 1992, 1994-1995, 1997, 2007-2012 Free Software Foundation,
-# Inc.
+# Copyright 1992-2013 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 3 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, see <http://www.gnu.org/licenses/>.
 
 # This file was written by Fred Fish. (fnf@cygnus.com)
 
 
-set testfile "bitfields"
-set srcfile ${testfile}.c
-set binfile ${objdir}/${subdir}/${testfile}
-if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
-    untested bitfields.exp
+standard_testfile
+
+if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} {
+    untested $testfile.exp
     return -1
 }
 
 #
 # 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;
+        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;
+        gdb_suppress_tests
     }
     if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #1"] {
-        gdb_suppress_tests;
+        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;
+        gdb_suppress_tests
     }
     if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #2"] {
-        gdb_suppress_tests;
+        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;
+        gdb_suppress_tests
     }
     if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #3"] {
-        gdb_suppress_tests;
+        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;
+        gdb_suppress_tests
     }
     if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #4"] {
-        gdb_suppress_tests;
+        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;
+        gdb_suppress_tests
     }
     if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #5"] {
-        gdb_suppress_tests;
+        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;
+        gdb_suppress_tests
     }
     if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #6"] {
-        gdb_suppress_tests;
+        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;
+    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 {} {
@@ skipping 15 matching lines @@
     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;
+    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;
+    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 {} {
@@ skipping 24 matching lines @@
         }
         -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;
+            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_stop_suppressing_tests
 }
 
 # Test bitfields at non-zero offsets in a struct.
 
 proc bitfield_at_offset {} {
     global decimal
     global hex
     global gdb_prompt
     global srcfile
 
     gdb_breakpoint break5
     if [gdb_test "cont" "Break.*break5 \\(\\) at .*$srcfile:$decimal.*" "continuing to break5"] {
         return
     }
 
     set one ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 5, s9 = 0, u9 = 0, sc = 0.*"
     set two ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 3, s9 = 0, u9 = 0, sc = 0.*"
     gdb_test "print container" "$one$two" "distinct bitfields in container"
     gdb_test "print container.one.u3" ".* = 5"
     gdb_test "print container.two.u3" ".* = 3"
 }
 
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
-gdb_load ${binfile}
+proc bitfield_internalvar {} {
+    global gdb_prompt
+
+    # First, we create an internal var holding an instance of
+    # the struct (zeroed out).
+    gdb_test "set \$myvar = (struct internalvartest) \{0\}" "" \
+      "set internal var"
+
+    # Now, we set the proper bits.
+    gdb_test_no_output "set \$myvar.a = 0"
+    gdb_test_no_output "set \$myvar.inner.b = 1"
+    gdb_test_no_output "set \$myvar.inner.deep.c = 0"
+    gdb_test_no_output "set \$myvar.inner.deep.d = -1"
+    gdb_test_no_output "set \$myvar.inner.e = 1"
+    gdb_test_no_output "set \$myvar.f = 1"
+
+    # Here comes the true testing.
+    gdb_test "print \$myvar.a" "\\$\[0-9\]\+ = 0"
+    gdb_test "print \$myvar.inner.b" "\\$\[0-9\]\+ = 1"
+    gdb_test "print \$myvar.inner.deep.c" "\\$\[0-9\]\+ = 0"
+    gdb_test "print \$myvar.inner.deep.d" "\\$\[0-9\]\+ = -1"
+    gdb_test "print \$myvar.inner.e" "\\$\[0-9\]\+ = -1"
+    gdb_test "print \$myvar.f" "\\$\[0-9\]\+ = -1"
+}
 
 gdb_test_no_output "set print sevenbit-strings"
 
 bitfield_uniqueness
 bitfield_containment
 bitfield_unsignedness
 bitfield_signedness
 bitfield_at_offset
+bitfield_internalvar