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src/share/vm/runtime/globals.cpp

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@@ -768,11 +768,11 @@
   }
 }
 
 static Flag::Error apply_constraint_and_check_range_bool(const char* name, bool* new_value, bool verbose = true) {
   Flag::Error status = Flag::SUCCESS;
-  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find(name);
+  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
   if (constraint != NULL) {
     status = constraint->apply_bool(new_value, verbose);
   }
   return status;
 }

@@ -787,11 +787,11 @@
 
 Flag::Error CommandLineFlags::boolAtPut(const char* name, size_t len, bool* value, Flag::Flags origin) {
   Flag* result = Flag::find_flag(name, len);
   if (result == NULL) return Flag::INVALID_FLAG;
   if (!result->is_bool()) return Flag::WRONG_FORMAT;
-  Flag::Error check = apply_constraint_and_check_range_bool(name, value, !CommandLineFlags::finishedInitializing());
+  Flag::Error check = apply_constraint_and_check_range_bool(name, value, !CommandLineFlagConstraintList::validated_after_ergo());
   if (check != Flag::SUCCESS) return check;
   bool old_value = result->get_bool();
   trace_flag_changed<EventBooleanFlagChanged, bool>(name, old_value, *value, origin);
   result->set_bool(*value);
   *value = old_value;

@@ -815,11 +815,11 @@
   CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
   if (range != NULL) {
     range_status = range->check_int(*new_value, verbose);
   }
   Flag::Error constraint_status = Flag::SUCCESS;
-  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find(name);
+  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
   if (constraint != NULL) {
     constraint_status = constraint->apply_int(new_value, verbose);
   }
   return get_status_error(range_status, constraint_status);
 }

@@ -834,11 +834,11 @@
 
 Flag::Error CommandLineFlags::intAtPut(const char* name, size_t len, int* value, Flag::Flags origin) {
   Flag* result = Flag::find_flag(name, len);
   if (result == NULL) return Flag::INVALID_FLAG;
   if (!result->is_int()) return Flag::WRONG_FORMAT;
-  Flag::Error check = apply_constraint_and_check_range_int(name, value, !CommandLineFlags::finishedInitializing());
+  Flag::Error check = apply_constraint_and_check_range_int(name, value, !CommandLineFlagConstraintList::validated_after_ergo());
   if (check != Flag::SUCCESS) return check;
   int old_value = result->get_int();
   trace_flag_changed<EventIntFlagChanged, s4>(name, old_value, *value, origin);
   result->set_int(*value);
   *value = old_value;

@@ -860,11 +860,11 @@
   CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
   if (range != NULL) {
     range_status = range->check_uint(*new_value, verbose);
   }
   Flag::Error constraint_status = Flag::SUCCESS;
-  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find(name);
+  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
   if (constraint != NULL) {
     constraint_status = constraint->apply_uint(new_value, verbose);
   }
   return get_status_error(range_status, constraint_status);
 }

@@ -879,11 +879,11 @@
 
 Flag::Error CommandLineFlags::uintAtPut(const char* name, size_t len, uint* value, Flag::Flags origin) {
   Flag* result = Flag::find_flag(name, len);
   if (result == NULL) return Flag::INVALID_FLAG;
   if (!result->is_uint()) return Flag::WRONG_FORMAT;
-  Flag::Error check = apply_constraint_and_check_range_uint(name, value, !CommandLineFlags::finishedInitializing());
+  Flag::Error check = apply_constraint_and_check_range_uint(name, value, !CommandLineFlagConstraintList::validated_after_ergo());
   if (check != Flag::SUCCESS) return check;
   uint old_value = result->get_uint();
   trace_flag_changed<EventUnsignedIntFlagChanged, u4>(name, old_value, *value, origin);
   result->set_uint(*value);
   *value = old_value;

@@ -913,22 +913,22 @@
   CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
   if (range != NULL) {
     range_status = range->check_intx(*new_value, verbose);
   }
   Flag::Error constraint_status = Flag::SUCCESS;
-  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find(name);
+  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
   if (constraint != NULL) {
     constraint_status = constraint->apply_intx(new_value, verbose);
   }
   return get_status_error(range_status, constraint_status);
 }
 
 Flag::Error CommandLineFlags::intxAtPut(const char* name, size_t len, intx* value, Flag::Flags origin) {
   Flag* result = Flag::find_flag(name, len);
   if (result == NULL) return Flag::INVALID_FLAG;
   if (!result->is_intx()) return Flag::WRONG_FORMAT;
-  Flag::Error check = apply_constraint_and_check_range_intx(name, value, !CommandLineFlags::finishedInitializing());
+  Flag::Error check = apply_constraint_and_check_range_intx(name, value, !CommandLineFlagConstraintList::validated_after_ergo());
   if (check != Flag::SUCCESS) return check;
   intx old_value = result->get_intx();
   trace_flag_changed<EventLongFlagChanged, intx>(name, old_value, *value, origin);
   result->set_intx(*value);
   *value = old_value;

@@ -960,22 +960,22 @@
   CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
   if (range != NULL) {
     range_status = range->check_uintx(*new_value, verbose);
   }
   Flag::Error constraint_status = Flag::SUCCESS;
-  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find(name);
+  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
   if (constraint != NULL) {
     constraint_status = constraint->apply_uintx(new_value, verbose);
   }
   return get_status_error(range_status, constraint_status);
 }
 
 Flag::Error CommandLineFlags::uintxAtPut(const char* name, size_t len, uintx* value, Flag::Flags origin) {
   Flag* result = Flag::find_flag(name, len);
   if (result == NULL) return Flag::INVALID_FLAG;
   if (!result->is_uintx()) return Flag::WRONG_FORMAT;
-  Flag::Error check = apply_constraint_and_check_range_uintx(name, value, !CommandLineFlags::finishedInitializing());
+  Flag::Error check = apply_constraint_and_check_range_uintx(name, value, !CommandLineFlagConstraintList::validated_after_ergo());
   if (check != Flag::SUCCESS) return check;
   uintx old_value = result->get_uintx();
   trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin);
   result->set_uintx(*value);
   *value = old_value;

@@ -1007,22 +1007,22 @@
   CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
   if (range != NULL) {
     range_status = range->check_uint64_t(*new_value, verbose);
   }
   Flag::Error constraint_status = Flag::SUCCESS;
-  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find(name);
+  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
   if (constraint != NULL) {
     constraint_status = constraint->apply_uint64_t(new_value, verbose);
   }
   return get_status_error(range_status, constraint_status);
 }
 
 Flag::Error CommandLineFlags::uint64_tAtPut(const char* name, size_t len, uint64_t* value, Flag::Flags origin) {
   Flag* result = Flag::find_flag(name, len);
   if (result == NULL) return Flag::INVALID_FLAG;
   if (!result->is_uint64_t()) return Flag::WRONG_FORMAT;
-  Flag::Error check = apply_constraint_and_check_range_uint64_t(name, value, !CommandLineFlags::finishedInitializing());
+  Flag::Error check = apply_constraint_and_check_range_uint64_t(name, value, !CommandLineFlagConstraintList::validated_after_ergo());
   if (check != Flag::SUCCESS) return check;
   uint64_t old_value = result->get_uint64_t();
   trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin);
   result->set_uint64_t(*value);
   *value = old_value;

@@ -1054,22 +1054,22 @@
   CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
   if (range != NULL) {
     range_status = range->check_size_t(*new_value, verbose);
   }
   Flag::Error constraint_status = Flag::SUCCESS;
-  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find(name);
+  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
   if (constraint != NULL) {
     constraint_status = constraint->apply_size_t(new_value, verbose);
   }
   return get_status_error(range_status, constraint_status);
 }
 
 Flag::Error CommandLineFlags::size_tAtPut(const char* name, size_t len, size_t* value, Flag::Flags origin) {
   Flag* result = Flag::find_flag(name, len);
   if (result == NULL) return Flag::INVALID_FLAG;
   if (!result->is_size_t()) return Flag::WRONG_FORMAT;
-  Flag::Error check = apply_constraint_and_check_range_size_t(name, value, !CommandLineFlags::finishedInitializing());
+  Flag::Error check = apply_constraint_and_check_range_size_t(name, value, !CommandLineFlagConstraintList::validated_after_ergo());
   if (check != Flag::SUCCESS) return check;
   size_t old_value = result->get_size_t();
   trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin);
   result->set_size_t(*value);
   *value = old_value;

@@ -1101,22 +1101,22 @@
   CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
   if (range != NULL) {
     range_status = range->check_double(*new_value, verbose);
   }
   Flag::Error constraint_status = Flag::SUCCESS;
-  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find(name);
+  CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
   if (constraint != NULL) {
     constraint_status = constraint->apply_double(new_value, verbose);
   }
   return get_status_error(range_status, constraint_status);
 }
 
 Flag::Error CommandLineFlags::doubleAtPut(const char* name, size_t len, double* value, Flag::Flags origin) {
   Flag* result = Flag::find_flag(name, len);
   if (result == NULL) return Flag::INVALID_FLAG;
   if (!result->is_double()) return Flag::WRONG_FORMAT;
-  Flag::Error check = apply_constraint_and_check_range_double(name, value, !CommandLineFlags::finishedInitializing());
+  Flag::Error check = apply_constraint_and_check_range_double(name, value, !CommandLineFlagConstraintList::validated_after_ergo());
   if (check != Flag::SUCCESS) return check;
   double old_value = result->get_double();
   trace_flag_changed<EventDoubleFlagChanged, double>(name, old_value, *value, origin);
   result->set_double(*value);
   *value = old_value;

@@ -1125,11 +1125,11 @@
 }
 
 Flag::Error CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, Flag::Flags origin) {
   Flag* faddr = address_of_flag(flag);
   guarantee(faddr != NULL && faddr->is_double(), "wrong flag type");
-  Flag::Error check = apply_constraint_and_check_range_double(faddr->_name, &value, !CommandLineFlags::finishedInitializing());
+  Flag::Error check = apply_constraint_and_check_range_double(faddr->_name, &value);
   if (check != Flag::SUCCESS) return check;
   trace_flag_changed<EventDoubleFlagChanged, double>(faddr->_name, faddr->get_double(), value, origin);
   faddr->set_double(value);
   faddr->set_origin(origin);
   return Flag::SUCCESS;

@@ -1208,16 +1208,13 @@
   }
   out->cr();
   FREE_C_HEAP_ARRAY(Flag*, array);
 }
 
-bool CommandLineFlags::_finished_initializing = false;
-
-bool CommandLineFlags::check_all_ranges_and_constraints() {
-
-//#define PRINT_RANGES_AND_CONSTRAINTS_SIZES
-#ifdef PRINT_RANGES_AND_CONSTRAINTS_SIZES
+bool CommandLineFlags::check_ranges() {
+//#define PRINT_RANGES_SIZES
+#ifdef PRINT_RANGES_SIZES
   {
     size_t size_ranges = sizeof(CommandLineFlagRangeList);
     for (int i=0; i<CommandLineFlagRangeList::length(); i++) {
       size_ranges += sizeof(CommandLineFlagRange);
       CommandLineFlagRange* range = CommandLineFlagRangeList::at(i);

@@ -1241,10 +1238,44 @@
       }
     }
     fprintf(stderr, "Size of %d ranges: " SIZE_FORMAT " bytes\n",
             CommandLineFlagRangeList::length(), size_ranges);
   }
+#endif // PRINT_RANGES_SIZES
+
+  // Check ranges.
+  bool status = true;
+  for (int i=0; i<CommandLineFlagRangeList::length(); i++) {
+    CommandLineFlagRange* range = CommandLineFlagRangeList::at(i);
+    const char* name = range->name();
+    Flag* flag = Flag::find_flag(name, strlen(name), true, true);
+    if (flag != NULL) {
+      if (flag->is_intx()) {
+        intx value = flag->get_intx();
+        if (range->check_intx(value, true) != Flag::SUCCESS) status = false;
+      } else if (flag->is_uintx()) {
+        uintx value = flag->get_uintx();
+        if (range->check_uintx(value, true) != Flag::SUCCESS) status = false;
+      } else if (flag->is_uint64_t()) {
+        uint64_t value = flag->get_uint64_t();
+        if (range->check_uint64_t(value, true) != Flag::SUCCESS) status = false;
+      } else if (flag->is_size_t()) {
+        size_t value = flag->get_size_t();
+        if (range->check_size_t(value, true) != Flag::SUCCESS) status = false;
+      } else if (flag->is_double()) {
+        double value = flag->get_double();
+        if (range->check_double(value, true) != Flag::SUCCESS) status = false;
+      }
+    }
+  }
+  return status;
+}
+
+// Check constraints for specific constraint type.
+static bool check_constraints(CommandLineFlagConstraint::ConstraintType constraint_type) {
+//#define PRINT_CONSTRAINTS_SIZES
+#ifdef PRINT_CONSTRAINTS_SIZES
   {
     size_t size_constraints = sizeof(CommandLineFlagConstraintList);
     for (int i=0; i<CommandLineFlagConstraintList::length(); i++) {
       size_constraints += sizeof(CommandLineFlagConstraint);
       CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::at(i);

@@ -1271,40 +1302,16 @@
       }
     }
     fprintf(stderr, "Size of %d constraints: " SIZE_FORMAT " bytes\n",
             CommandLineFlagConstraintList::length(), size_constraints);
   }
-#endif // PRINT_RANGES_AND_CONSTRAINTS_SIZES
-
-  _finished_initializing = true;
+#endif // PRINT_CONSTRAINTS_SIZES
 
   bool status = true;
-  for (int i=0; i<CommandLineFlagRangeList::length(); i++) {
-    CommandLineFlagRange* range = CommandLineFlagRangeList::at(i);
-    const char* name = range->name();
-    Flag* flag = Flag::find_flag(name, strlen(name), true, true);
-    if (flag != NULL) {
-      if (flag->is_intx()) {
-        intx value = flag->get_intx();
-        if (range->check_intx(value, true) != Flag::SUCCESS) status = false;
-      } else if (flag->is_uintx()) {
-        uintx value = flag->get_uintx();
-        if (range->check_uintx(value, true) != Flag::SUCCESS) status = false;
-      } else if (flag->is_uint64_t()) {
-        uint64_t value = flag->get_uint64_t();
-        if (range->check_uint64_t(value, true) != Flag::SUCCESS) status = false;
-      } else if (flag->is_size_t()) {
-        size_t value = flag->get_size_t();
-        if (range->check_size_t(value, true) != Flag::SUCCESS) status = false;
-      } else if (flag->is_double()) {
-        double value = flag->get_double();
-        if (range->check_double(value, true) != Flag::SUCCESS) status = false;
-      }
-    }
-  }
   for (int i=0; i<CommandLineFlagConstraintList::length(); i++) {
     CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::at(i);
+    if (constraint_type != constraint->type()) continue;
     const char*name = constraint->name();
     Flag* flag = Flag::find_flag(name, strlen(name), true, true);
     if (flag != NULL) {
       if (flag->is_bool()) {
         bool value = flag->get_bool();

@@ -1325,16 +1332,31 @@
         double value = flag->get_double();
         if (constraint->apply_double(&value, true) != Flag::SUCCESS) status = false;
       }
     }
   }
+  return status;
+}
+
+// Check constraints and do post work of 'AfterErgo'.
+bool CommandLineFlags::check_constraints_of_after_ergo() {
+  CommandLineFlagConstraintList::set_validating_type(CommandLineFlagConstraint::AfterErgo);
+
+  bool status = check_constraints(CommandLineFlagConstraint::AfterErgo);
 
-  Arguments::post_final_range_and_constraint_check(status);
+  Arguments::post_after_ergo_constraint_check(status);
 
   return status;
 }
 
+// Check constraints of 'AfterMemoryInit'.
+bool CommandLineFlags::check_constraints_of_after_memory_init() {
+  CommandLineFlagConstraintList::set_validating_type(CommandLineFlagConstraint::AfterMemoryInit);
+
+  return check_constraints(CommandLineFlagConstraint::AfterMemoryInit);
+}
+
 #ifndef PRODUCT
 
 void CommandLineFlags::verify() {
   assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict");
 }
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