Merge

make/jprt.properties

@@ -295,3 +295,9 @@ jprt.test.targets = \
   ${jprt.my.windows.i586.test.targets}, \
   ${jprt.my.windows.x64.test.targets}
 
+# The default test/Makefile targets that should be run
+
+# Example:
+#   jprt.make.rule.test.targets=*-*-*-packtest
+#jprt.make.rule.test.targets=*-product-*-packtest
+

src/cpu/x86/vm/c1_LIRAssembler_x86.cpp

@@ -1129,8 +1129,8 @@ void LIR_Assembler::stack2stack(LIR_Opr src, LIR_Opr dest, BasicType type) {
 #else
     __ pushl(frame_map()->address_for_slot(src ->double_stack_ix(), 0));
     // push and pop the part at src + wordSize, adding wordSize for the previous push
-    __ pushl(frame_map()->address_for_slot(src ->double_stack_ix(), wordSize));
-    __ popl (frame_map()->address_for_slot(dest->double_stack_ix(), wordSize));
+    __ pushl(frame_map()->address_for_slot(src ->double_stack_ix(), 2 * wordSize));
+    __ popl (frame_map()->address_for_slot(dest->double_stack_ix(), 2 * wordSize));
     __ popl (frame_map()->address_for_slot(dest->double_stack_ix(), 0));
 #endif // _LP64
 

src/share/vm/opto/addnode.cpp

@@ -157,6 +157,7 @@ Node *AddNode::Ideal(PhaseGVN *phase, bool can_reshape) {
     Node *a12 = add1->in(2);
     const Type *t12 = phase->type( a12 );
     if( t12->singleton() && t12 != Type::TOP && (add1 != add1->in(1)) ) {
+      assert(add1->in(1) != this, "dead loop in AddNode::Ideal");
       add2 = add1->clone();
       add2->set_req(2, in(2));
       add2 = phase->transform(add2);
@@ -173,6 +174,7 @@ Node *AddNode::Ideal(PhaseGVN *phase, bool can_reshape) {
     Node *a22 = add2->in(2);
     const Type *t22 = phase->type( a22 );
     if( t22->singleton() && t22 != Type::TOP && (add2 != add2->in(1)) ) {
+      assert(add2->in(1) != this, "dead loop in AddNode::Ideal");
       Node *addx = add2->clone();
       addx->set_req(1, in(1));
       addx->set_req(2, add2->in(1));

src/share/vm/opto/compile.cpp

@@ -2082,7 +2082,7 @@ static void final_graph_reshaping_impl( Node *n, Final_Reshape_Counts &fpu ) {
         in2 = n->in(2)->in(1);
       } else if ( n->in(2)->Opcode() == Op_ConP ) {
         const Type* t = n->in(2)->bottom_type();
-        if (t == TypePtr::NULL_PTR) {
+        if (t == TypePtr::NULL_PTR && UseImplicitNullCheckForNarrowOop) {
           Node *in1 = n->in(1);
           if (Matcher::clone_shift_expressions) {
             // x86, ARM and friends can handle 2 adds in addressing mode.

src/share/vm/opto/loopopts.cpp

@@ -932,7 +932,7 @@ void PhaseIdealLoop::split_if_with_blocks_post( Node *n ) {
             // to fold a StoreP and an AddP together (as part of an
             // address expression) and the AddP and StoreP have
             // different controls.
-            if( !x->is_Load() ) _igvn._worklist.yank(x);
+            if( !x->is_Load() && !x->is_DecodeN() ) _igvn._worklist.yank(x);
           }
           _igvn.remove_dead_node(n);
         }

src/share/vm/runtime/arguments.cpp

@@ -1205,6 +1205,13 @@ void Arguments::set_ergonomics_flags() {
       warning(" UseCompressedOops does not currently work with UseG1GC; switching off UseCompressedOops. ");
       FLAG_SET_DEFAULT(UseCompressedOops, false);
     }
+#ifdef _WIN64
+    if (UseLargePages && UseCompressedOops) {
+      // Cannot allocate guard pages for implicit checks in indexed addressing
+      // mode, when large pages are specified on windows.
+      FLAG_SET_DEFAULT(UseImplicitNullCheckForNarrowOop, false);
+    }
+#endif //  _WIN64
   } else {
     if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) {
       warning("Max heap size too large for Compressed Oops");

src/share/vm/runtime/globals.hpp

@@ -306,6 +306,9 @@ class CommandLineFlags {
   lp64_product(bool, CheckCompressedOops, trueInDebug,                      \
             "generate checks in encoding/decoding code")                    \
                                                                             \
+  product(bool, UseImplicitNullCheckForNarrowOop, true,                     \
+            "generate implicit null check in indexed addressing mode.")     \
+                                                                            \
   /* UseMembar is theoretically a temp flag used for memory barrier         \
    * removal testing.  It was supposed to be removed before FCS but has     \
    * been re-added (see 6401008) */                                         \

src/share/vm/runtime/thread.cpp

@@ -2777,13 +2777,17 @@ void Threads::threads_do(ThreadClosure* tc) {
   // For now, just manually iterate through them.
   tc->do_thread(VMThread::vm_thread());
   Universe::heap()->gc_threads_do(tc);
-  {
-    // Grab the Terminator_lock to prevent watcher_thread from being terminated.
-    MutexLockerEx mu(Terminator_lock, Mutex::_no_safepoint_check_flag);
-    WatcherThread *wt = WatcherThread::watcher_thread();
-    if (wt != NULL)
-      tc->do_thread(wt);
-  }
+  WatcherThread *wt = WatcherThread::watcher_thread();
+  // Strictly speaking, the following NULL check isn't sufficient to make sure
+  // the data for WatcherThread is still valid upon being examined. However,
+  // considering that WatchThread terminates when the VM is on the way to
+  // exit at safepoint, the chance of the above is extremely small. The right
+  // way to prevent termination of WatcherThread would be to acquire
+  // Terminator_lock, but we can't do that without violating the lock rank
+  // checking in some cases.
+  if (wt != NULL)
+    tc->do_thread(wt);
+
   // If CompilerThreads ever become non-JavaThreads, add them here
 }
 

src/share/vm/runtime/virtualspace.cpp

@@ -372,7 +372,8 @@ ReservedHeapSpace::ReservedHeapSpace(size_t size, size_t alignment,
                                      bool large, char* requested_address) :
   ReservedSpace(size, alignment, large,
                 requested_address,
-                UseCompressedOops ? lcm(os::vm_page_size(), alignment) : 0) {
+                UseCompressedOops && UseImplicitNullCheckForNarrowOop ?
+                  lcm(os::vm_page_size(), alignment) : 0) {
   // Only reserved space for the java heap should have a noaccess_prefix
   // if using compressed oops.
   protect_noaccess_prefix(size);
@@ -383,7 +384,8 @@ ReservedHeapSpace::ReservedHeapSpace(const size_t prefix_size,
                                      const size_t suffix_size,
                                      const size_t suffix_align) :
   ReservedSpace(prefix_size, prefix_align, suffix_size, suffix_align,
-                UseCompressedOops ? lcm(os::vm_page_size(), prefix_align) : 0) {
+                UseCompressedOops && UseImplicitNullCheckForNarrowOop ?
+                  lcm(os::vm_page_size(), prefix_align) : 0) {
   protect_noaccess_prefix(prefix_size+suffix_size);
 }
 

test/Makefile

 #
-# Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
+# Copyright 1995-2008 Sun Microsystems, Inc.  All Rights Reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -19,17 +19,18 @@
 # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 # CA 95054 USA or visit www.sun.com if you need additional information or
 # have any questions.
-#  
+#
 #
 
 #
-# Makefile to run jtreg
+# Makefile to run various jdk tests
 #
 
+# Get OS/ARCH specifics
 OSNAME = $(shell uname -s)
+SLASH_JAVA = /java
 ifeq ($(OSNAME), SunOS)
   PLATFORM = solaris
-  JCT_PLATFORM = solaris
   ARCH = $(shell uname -p)
   ifeq ($(ARCH), i386)
     ARCH=i586
@@ -37,203 +38,165 @@ ifeq ($(OSNAME), SunOS)
 endif
 ifeq ($(OSNAME), Linux)
   PLATFORM = linux
-  JCT_PLATFORM = linux
   ARCH = $(shell uname -m)
   ifeq ($(ARCH), i386)
-    ARCH=i586
+    ARCH = i586
   endif
 endif
 ifeq ($(OSNAME), Windows_NT)
   PLATFORM = windows
-  JCT_PLATFORM = win32
+  SLASH_JAVA = J:
   ifeq ($(word 1, $(PROCESSOR_IDENTIFIER)),ia64)
-    ARCH=ia64
+    ARCH = ia64
   else
     ifeq ($(word 1, $(PROCESSOR_IDENTIFIER)),AMD64)
-      ARCH=x64
+      ARCH = x64
     else
       ifeq ($(word 1, $(PROCESSOR_IDENTIFIER)),EM64T)
-        ARCH=x64
+        ARCH = x64
       else
-        ARCH=i586
+        ARCH = i586
       endif
     endif
   endif
+  EXESUFFIX = .exe
 endif
 
-# Default bundle of all test results (passed or not)
-JPRT_ARCHIVE_BUNDLE=$(TEST_ROOT)/JPRT_ARCHIVE_BUNDLE.zip
+# Utilities used
+CD    = cd
+CP    = cp
+ECHO  = echo
+MKDIR = mkdir
+ZIP   = zip
 
-# Default home for JTREG
-ifeq ($(PLATFORM), windows)
-  JT_HOME = J:/svc/jct-tools3.2.2_01
-else
-  JT_HOME = /java/svc/jct-tools3.2.2_01
+# Root of this test area (important to use full paths in some places)
+TEST_ROOT := $(shell pwd)
+
+# Root of all test results
+ABS_BUILD_ROOT = $(TEST_ROOT)/../build/$(PLATFORM)-$(ARCH)
+ABS_TEST_OUTPUT_DIR = $(ABS_BUILD_ROOT)/testoutput
+
+# Expect JPRT to set PRODUCT_HOME (the product or jdk in this case to test)
+ifndef PRODUCT_HOME
+  # Try to use j2sdk-image if it exists
+  ABS_JDK_IMAGE = $(ABS_BUILD_ROOT)/j2sdk-image
+  PRODUCT_HOME :=                       \
+    $(shell                             \
+      if [ -d $(ABS_JDK_IMAGE) ] ; then \
+         $(ECHO) "$(ABS_JDK_IMAGE)";    \
+       else                             \
+         $(ECHO) "$(ABS_BUILD_ROOT)" ;  \
+       fi)
 endif
 
-# Default JTREG to run
-JTREG = $(JT_HOME)/$(JCT_PLATFORM)/bin/jtreg
+# Expect JPRT to set JAVA_ARGS (e.g. -server etc.)
+JAVA_OPTIONS = 
+ifdef JAVA_ARGS
+  JAVA_OPTIONS = $(JAVA_ARGS)
+endif
 
-# Root of this test area
-TEST_ROOT := $(shell pwd)
+# Expect JPRT to set JPRT_ARCHIVE_BUNDLE (path to zip bundle for results)
+ARCHIVE_BUNDLE = $(ABS_TEST_OUTPUT_DIR)/ARCHIVE_BUNDLE.zip
+ifdef JPRT_ARCHIVE_BUNDLE
+  ARCHIVE_BUNDLE = $(JPRT_ARCHIVE_BUNDLE)
+endif
 
-# Default JDK to test
-JAVA_HOME = $(TEST_ROOT)/../build/$(PLATFORM)-$(ARCH)
+# How to create the test bundle (pass or fail, we want to create this)
+BUNDLE_UP = ( $(MKDIR) -p `dirname $(ARCHIVE_BUNDLE)`     \
+	      && $(CD) $(ABS_TEST_OUTPUT_DIR)             \
+	      && $(ZIP) -q -r $(ARCHIVE_BUNDLE) . )
+BUNDLE_UP_FAILED = ( exitCode=$$? && $(BUNDLE_UP) && exit $${exitCode} )
 
-# The test directories to run
-DEFAULT_TESTDIRS = serviceability
-TESTDIRS = $(DEFAULT_TESTDIRS)
+################################################################
 
-# Files that hold total passed and failed counts (passed==0 is bad)
-JTREG_TOTALS_DIR = $(TEST_ROOT)/JTREG_TOTALS_$(PLATFORM)_$(ARCH)
-JTREG_FAILED = $(JTREG_TOTALS_DIR)/failed_count
-JTREG_PASSED = $(JTREG_TOTALS_DIR)/passed_count
+# Default make rule (runs jtreg_tests)
+all: jtreg_tests
+	@$(ECHO) "Testing completed successfully"
 
-# Root of all test results
-JTREG_ALL_OUTPUT_DIRNAME = JTREG_OUTPUT_$(PLATFORM)_$(ARCH)
-JTREG_ALL_OUTPUT_DIR = $(TEST_ROOT)/$(JTREG_ALL_OUTPUT_DIRNAME)
-
-# Test results for one test directory
-JTREG_TEST_OUTPUT_DIR = $(JTREG_ALL_OUTPUT_DIR)/$@
-JTREG_TEST_REPORT_DIR = $(JTREG_TEST_OUTPUT_DIR)/JTreport
-JTREG_TEST_WORK_DIR   = $(JTREG_TEST_OUTPUT_DIR)/JTwork
-JTREG_TEST_SUMMARY    =	$(JTREG_TEST_REPORT_DIR)/summary.txt
-
-# Temp files used by this Makefile
-JTREG_TEST_TEMP_DIR   = $(JTREG_ALL_OUTPUT_DIR)/$@/temp
-JTREG_TEMP_PASSED     = $(JTREG_TEST_TEMP_DIR)/passed
-JTREG_TEMP_FAILED     = $(JTREG_TEST_TEMP_DIR)/failed
-JTREG_TEMP_OUTPUT     = $(JTREG_TEST_TEMP_DIR)/output
-JTREG_TEMP_RESULTS    = $(JTREG_TEST_TEMP_DIR)/results
-
-# JTREG options (different for 2.1.6 and 3.2.2_01)
-JTREG_COMMON_OPTIONS = -r:$(JTREG_TEST_REPORT_DIR) \
-                       -w:$(JTREG_TEST_WORK_DIR) \
-                       -testjdk:$(JAVA_HOME) \
-                       -automatic \
-	               -verbose:all
-JTREG_216_OPTIONS = $(JTREG_COMMON_OPTIONS) $@ $(JAVA_ARGS)
-JTREG_322_OPTIONS = $(JTREG_COMMON_OPTIONS) $(JAVA_ARGS:%=-vmoption:%) $@
-
-# Default make rule
-all: clean check tests
-
-# Chaeck to make sure these directories exist
-check: $(JT_HOME) $(JAVA_HOME) $(JTREG)
-
-# Prime the test run
-primecounts: FRC
-	@rm -f -r $(JTREG_TOTALS_DIR)
-	@mkdir -p $(JTREG_TOTALS_DIR)
-	@echo "0" > $(JTREG_FAILED)
-	@echo "0" > $(JTREG_PASSED)
-
-# Run the tests and determine the 'make' command exit status
-#   Ultimately we determine the make exit code based on the passed/failed count
-tests: primecounts $(TESTDIRS)
-	@echo "JTREG TOTAL: passed=`cat $(JTREG_PASSED)` failed=`cat $(JTREG_FAILED)`"
-	zip -q -r $(JPRT_ARCHIVE_BUNDLE) $(JTREG_ALL_OUTPUT_DIRNAME)
-	@if [ `cat $(JTREG_FAILED)` -ne 0 -o \
-	     `cat $(JTREG_PASSED)` -le 0 ] ; then \
-	  echo "JTREG FAILED"; \
-	  exit 1; \
-	else \
-	  echo "JTREG PASSED"; \
-	  exit 0; \
-	fi
-
-# Just make sure these directires exist
-$(JT_HOME) $(JAVA_HOME): FRC
-	@if [ ! -d $@ ] ; then \
-	    echo "ERROR: Directory $@ does not exist"; \
-	    exit 1; \
-	fi
-
-# Make sure this file exists
-$(JTREG): FRC
-	@if [ ! -f $@ ] ; then \
-	    echo "ERROR: File $@ does not exist"; \
-	    exit 1; \
-	fi
-
-# Process each test directory one by one, this rule always completes.
-#    Note that the use of 'tee' tosses the jtreg process exit status, this
-#    is as expected because even if jtreg fails, we need to save the
-#    output. So we update the JTREG_PASSED and JTREG_FAILED count files.
-#    Note that missing the 'results:' line in the last few lines of output
-#    will indicate a failure (or a bump by one of the JTREG_FAILED file.
-#    Note that passed: 0 or no passed: indication means a failure.
-#    Note that any indication of the word 'failed' indicates failure.
-#    Ultimately if the contents of JTREG_FAILED is not 0, we have failed 
-#    tests, and if the contents of JTREG_PASSED is 0, we consider that a
-#    failure.
-$(TESTDIRS):  FRC
-	@if [ ! -d $@ ] ; then \
-	    echo "ERROR: Directory $@ does not exist"; \
-	    exit 1; \
-	fi
-	@echo "---------------------------------------------------"
-	@rm -f -r $(JTREG_TEST_OUTPUT_DIR)
-	@mkdir -p $(JTREG_TEST_OUTPUT_DIR)
-	@mkdir -p $(JTREG_TEST_WORK_DIR)
-	@mkdir -p $(JTREG_TEST_WORK_DIR)/scratch
-	@mkdir -p $(JTREG_TEST_REPORT_DIR)
-	@mkdir -p $(JTREG_TEST_TEMP_DIR)
-	@echo "Testing $@"
-	@echo "Using JAVA_HOME=$(JAVA_HOME)"
-	@echo "Using JAVA_ARGS=$(JAVA_ARGS)"
-	@if [ "`$(JTREG) -help 2>&1 | fgrep -- -vmoption`" != "" ] ; then \
-	  echo "Assume we are using jtreg 3.2.2_01 or newer"; \
-	  echo "$(JTREG) $(JTREG_322_OPTIONS)"; \
-	  $(JTREG) $(JTREG_322_OPTIONS) 2>&1 | tee $(JTREG_TEMP_OUTPUT) ; \
-	else \
-	  echo "Assume we are using jtreg 2.1.6"; \
-	  echo "$(JTREG) $(JTREG_216_OPTIONS)"; \
-	  $(JTREG) $(JTREG_216_OPTIONS) 2>&1 | tee $(JTREG_TEMP_OUTPUT) ; \
-	fi
-	@echo "---------------------------------------------------"
-	@echo "Extracting passed and failed counts from jtreg output"
-	@tail -10 $(JTREG_TEMP_OUTPUT) | fgrep -i 'results:' | \
-	       tail -1 | tee $(JTREG_TEMP_RESULTS)
-	@sed -e 's@.*\ passed:\ \([1-9][0-9]*\).*@\1@' $(JTREG_TEMP_RESULTS) \
-	       > $(JTREG_TEMP_PASSED)
-	@if [ "`cat $(JTREG_TEMP_PASSED)`" = "" ] ; then \
-	  echo "ERROR: No passed indication in results"; \
-	  expr `cat $(JTREG_FAILED)` '+' 1 > $(JTREG_FAILED); \
-	elif [ `cat $(JTREG_TEMP_PASSED)` -le 0 ] ; then \
-	  echo "ERROR: Passed count appears to be 0"; \
-	  expr `cat $(JTREG_FAILED)` '+' 1 > $(JTREG_FAILED); \
-	elif [ "`fgrep -i failed $(JTREG_TEMP_RESULTS)`" = "" ] ; then \
-	  echo "No indication anything failed"; \
-	  expr `cat $(JTREG_PASSED)` '+' `cat $(JTREG_TEMP_PASSED)` \
-		> $(JTREG_PASSED); \
-	else \
-	  sed -e 's@.*\ failed:\ \([1-9][0-9]*\).*@\1@' $(JTREG_TEMP_FAILED) \
-		> $(JTREG_TEMP_FAILED); \
-	  if [ "`cat $(JTREG_TEMP_FAILED)`" = "" ] ; then \
-	    echo "ERROR: Failed pattern but no failed count in results"; \
-	    expr `cat $(JTREG_FAILED)` '+' 1 > $(JTREG_FAILED); \
-	  elif [ `cat $(JTREG_TEMP_FAILED)` -le 0 ] ; then \
-	    echo "ERROR: Failed count is 0, did something failed or not?"; \
-	    expr `cat $(JTREG_FAILED)` '+' 1 > $(JTREG_FAILED); \
-	  else \
-	    expr `cat $(JTREG_FAILED)` '+' `cat $(JTREG_TEMP_FAILED)` \
-		  > $(JTREG_FAILED); \
-	  fi; \
-	fi
-	@echo "---------------------------------------------------"
-	@echo "Summary: "
-	@if [ -f $(JTREG_TEST_SUMMARY) ] ; then \
-	  cat $(JTREG_TEST_SUMMARY) ; \
-	else \
-	  echo "ERROR: Missing $(JTREG_TEST_SUMMARY)"; \
-	fi
-	@echo "---------------------------------------------------"
+# Prep for output
+prep: clean
+	@$(MKDIR) -p $(ABS_TEST_OUTPUT_DIR)
+	@$(MKDIR) -p `dirname $(ARCHIVE_BUNDLE)`
 
 # Cleanup
 clean:
-	rm -f -r $(JTREG_ALL_OUTPUT_DIR)
-	rm -f $(JPRT_ARCHIVE_BUNDLE)
+	$(RM) -r $(ABS_TEST_OUTPUT_DIR)
+	$(RM) $(ARCHIVE_BUNDLE)
+
+################################################################
+
+# jtreg tests
+
+# Expect JT_HOME to be set for jtreg tests. (home for jtreg)
+JT_HOME = $(SLASH_JAVA)/re/jtreg/4.0/promoted/latest/binaries/jtreg
+ifdef JPRT_JTREG_HOME
+  JT_HOME = $(JPRT_JTREG_HOME)
+endif
+
+# Expect JPRT to set TESTDIRS to the jtreg test dirs
+JTREG_TESTDIRS = demo/jvmti/gctest demo/jvmti/hprof
+ifdef TESTDIRS
+  JTREG_TESTDIRS = $(TESTDIRS)
+endif
+
+# Default JTREG to run (win32 script works for everybody)
+JTREG = $(JT_HOME)/win32/bin/jtreg
+
+# Option to tell jtreg to not run tests marked with "ignore"
+ifeq ($(PLATFORM), windows)
+  JTREG_KEY_OPTION = -k:!ignore
+else
+  JTREG_KEY_OPTION = -k:\!ignore
+endif
+
+#EXTRA_JTREG_OPTIONS =
+
+jtreg_tests: prep $(JT_HOME) $(PRODUCT_HOME) $(JTREG)
+	$(JTREG) -a -v:fail,error               \
+          $(JTREG_KEY_OPTION)                   \
+          $(EXTRA_JTREG_OPTIONS)                \
+          -r:$(ABS_TEST_OUTPUT_DIR)/JTreport    \
+          -w:$(ABS_TEST_OUTPUT_DIR)/JTwork      \
+          -jdk:$(PRODUCT_HOME)                  \
+          $(JAVA_OPTIONS:%=-vmoption:%)         \
+          $(JTREG_TESTDIRS)                     \
+	  || $(BUNDLE_UP_FAILED)
+	$(BUNDLE_UP)
+
+PHONY_LIST += jtreg_tests
+
+################################################################
+
+# packtest
+
+# Expect JPRT to set JPRT_PACKTEST_HOME.
+PACKTEST_HOME = /net/jprt-web.sfbay.sun.com/jprt/allproducts/packtest
+ifdef JPRT_PACKTEST_HOME
+  PACKTEST_HOME = $(JPRT_PACKTEST_HOME)
+endif
+
+#EXTRA_PACKTEST_OPTIONS =
+
+packtest: prep $(PACKTEST_HOME)/ptest $(PRODUCT_HOME)
+	( $(CD) $(PACKTEST_HOME) &&            \
+	    $(PACKTEST_HOME)/ptest             \
+		 -t "$(PRODUCT_HOME)"          \
+	         $(PACKTEST_STRESS_OPTION)     \
+		 $(EXTRA_PACKTEST_OPTIONS)     \
+		 -W $(ABS_TEST_OUTPUT_DIR)     \
+                 $(JAVA_OPTIONS:%=-J %)        \
+	 ) || $(BUNDLE_UP_FAILED)
+	$(BUNDLE_UP)
+
+packtest_stress: PACKTEST_STRESS_OPTION=-s
+packtest_stress: packtest
+
+PHONY_LIST += packtest packtest_stress
+
+################################################################
+
+# Phony targets (e.g. these are not filenames)
+.PHONY: all clean prep $(PHONY_LIST)
 
-FRC:
+################################################################