Use require !skip_hw_watchpoint_tests

This changes some tests to use "require !skip_hw_watchpoint_tests".

gdb/testsuite/gdb.ada/task_watch.exp

@@ -19,7 +19,7 @@ load_lib "ada.exp"
 
 require !skip_ada_tests
 
-if { [skip_hw_watchpoint_tests] } { return -1 }
+require !skip_hw_watchpoint_tests
 
 standard_ada_testfile foo
 

gdb/testsuite/gdb.base/pr11022.exp

@@ -13,9 +13,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-if {[skip_hw_watchpoint_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_tests
 
 standard_testfile .c
 

gdb/testsuite/gdb.base/watch-before-fork.exp

@@ -18,9 +18,7 @@
 # followed by a catchpoint hit.
 
 # This test uses "awatch".
-if {[skip_hw_watchpoint_access_tests]} {
-    return
-}
+require !skip_hw_watchpoint_access_tests
 
 standard_testfile
 

gdb/testsuite/gdb.base/watch-read.exp

@@ -24,9 +24,7 @@
 
 standard_testfile .c
 
-if {[skip_hw_watchpoint_access_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_access_tests
 
 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
     return -1

gdb/testsuite/gdb.base/watch_thread_num.exp

@@ -23,9 +23,7 @@
 # so the test is only meaningful on a system with hardware watchpoints.
 # More specifically, the implementation of this test uses access
 # watchpoints, so skip it when those are not available.
-if {[skip_hw_watchpoint_access_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_access_tests
 
 standard_testfile .c
 

gdb/testsuite/gdb.base/watchpoint-hw-attach.exp

@@ -16,9 +16,7 @@
 # watchpoint-hw-attach.exp -- Test if hardware watchpoints are used
 # when attaching to a target.
 
-if {[skip_hw_watchpoint_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_tests
 
 if {![can_spawn_for_attach]} {
     return 0

gdb/testsuite/gdb.base/watchpoint-hw-hit-once.exp

@@ -13,9 +13,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-if {[skip_hw_watchpoint_access_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_access_tests
 
 set test watchpoint-hw-hit-once
 set srcfile ${test}.c

gdb/testsuite/gdb.base/watchpoint-hw.exp

@@ -18,9 +18,7 @@ if { [use_gdb_stub] } {
     return
 }
 
-if {[skip_hw_watchpoint_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_tests
 
 standard_testfile
 

gdb/testsuite/gdb.base/watchpoint-stops-at-right-insn.exp

@@ -71,9 +71,7 @@
 standard_testfile
 
 # No use testing this if we can't use hardware watchpoints.
-if {[skip_hw_watchpoint_tests]} {
-    return -1
-}
+require !skip_hw_watchpoint_tests
 
 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
     return -1

gdb/testsuite/gdb.base/watchpoint-unaligned.exp

@@ -17,9 +17,7 @@
 
 # Test inserting read watchpoints on unaligned addresses.
 
-if {[skip_hw_watchpoint_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_tests
 
 standard_testfile
 if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {

gdb/testsuite/gdb.mi/mi-watch-nonstop.exp

@@ -13,9 +13,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-if [skip_hw_watchpoint_tests] {
-    return -1
-}
+require !skip_hw_watchpoint_tests
 
 if { ![support_displaced_stepping] } { 
     unsupported "displaced stepping"

gdb/testsuite/gdb.mi/pr11022.exp

@@ -13,9 +13,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-if {[skip_hw_watchpoint_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_tests
 
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"

gdb/testsuite/gdb.multi/watchpoint-multi.exp

@@ -25,10 +25,7 @@ if [use_gdb_stub] {
 
 # Do not use simple hardware watchpoints ("watch") as its false hit may be
 # unnoticed by GDB if it reads it still has the same value.
-if [skip_hw_watchpoint_access_tests] {
-    untested "${testfile} (no hardware access watchpoints)"
-    return
-}
+require !skip_hw_watchpoint_access_tests
 
 if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
     untested "failed to compile"

gdb/testsuite/gdb.threads/local-watch-wrong-thread.exp

@@ -19,9 +19,7 @@
 # thread other than the thread the local watchpoint was set in stops
 # for a breakpoint.
 
-if {[skip_hw_watchpoint_multi_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_multi_tests
 
 standard_testfile
 if {[gdb_compile_pthreads \

gdb/testsuite/gdb.threads/step-over-trips-on-watchpoint.exp

@@ -22,9 +22,7 @@ set executable ${testfile}
 # This test verifies that a watchpoint is detected in a multithreaded
 # program so the test is only meaningful on a system with hardware
 # watchpoints.
-if {[skip_hw_watchpoint_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_tests
 
 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
 	 executable [list debug "incdir=${objdir}"]] != "" } {

gdb/testsuite/gdb.threads/watchthreads-reorder.exp

@@ -25,9 +25,8 @@
 # could be assigned during continuation of a thread with pending SIGTRAP to the
 # different/new watchpoint, just based on the watchpoint/debug register number.
 
-if {[skip_hw_watchpoint_access_tests]
-    || [skip_hw_watchpoint_multi_tests]
-    || ![istarget *-*-linux*]} {
+require !skip_hw_watchpoint_access_tests !skip_hw_watchpoint_multi_tests
+if {![istarget *-*-linux*]} {
     return 0
 }
 

gdb/testsuite/gdb.threads/watchthreads.exp

@@ -20,9 +20,7 @@
 
 # This test verifies that a watchpoint is detected in the proper thread
 # so the test is only meaningful on a system with hardware watchpoints.
-if {[skip_hw_watchpoint_multi_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_multi_tests
 
 proc target_no_stopped_data { } {
     return [istarget s390*-*-*]

gdb/testsuite/gdb.threads/watchthreads2.exp

@@ -24,9 +24,7 @@ set X_INCR_COUNT 10
 
 # This test verifies that a watchpoint is detected in the proper thread
 # so the test is only meaningful on a system with hardware watchpoints.
-if {[skip_hw_watchpoint_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_tests
 
 standard_testfile
 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "additional_flags=-DNR_THREADS=$NR_THREADS -DX_INCR_COUNT=$X_INCR_COUNT"]] != "" } {

gdb/testsuite/gdb.threads/wp-replication.exp

@@ -27,9 +27,7 @@ set NR_TRIGGERS_PER_THREAD 2
 # This test verifies that a hardware watchpoint gets replicated to
 # every existing thread and is detected properly.  This test is
 # only meaningful on a target with hardware watchpoint support.
-if {[skip_hw_watchpoint_tests]} {
-    return 0
-}
+require !skip_hw_watchpoint_tests
 
 standard_testfile
 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "additional_flags=-DNR_THREADS=$NR_THREADS -DNR_TRIGGERS_PER_THREAD=$NR_TRIGGERS_PER_THREAD"]] != "" } {