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diff src/share/vm/runtime/globals.hpp @ 1768:6ee479178066

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6979444: add command line option to print command line flags descriptions Summary: Implementation of a nonproduct boolean flag XX:PrintFlagsWithComments Reviewed-by: kamg, dholmes, dsamersoff
author ikrylov
date Tue, 31 Aug 2010 03:14:00 -0700
parents b4099f5786da
children eeade8e89248
line wrap: on
line diff
--- a/src/share/vm/runtime/globals.hpp	Fri Aug 27 21:31:15 2010 -0700
+++ b/src/share/vm/runtime/globals.hpp	Tue Aug 31 03:14:00 2010 -0700
@@ -90,6 +90,9 @@
   const char *type;
   const char *name;
   void*       addr;
+
+  NOT_PRODUCT(const char *doc;)
+
   const char *kind;
   FlagValueOrigin origin;
 
@@ -131,7 +134,7 @@
   bool is_writeable() const;
   bool is_external() const;
 
-  void print_on(outputStream* st);
+  void print_on(outputStream* st, bool withComments = false );
   void print_as_flag(outputStream* st);
 };
 
@@ -211,7 +214,7 @@
   static bool wasSetOnCmdline(const char* name, bool* value);
   static void printSetFlags();
 
-  static void printFlags();
+  static void printFlags(bool withComments = false );
 
   static void verify() PRODUCT_RETURN;
 };
@@ -2406,6 +2409,9 @@
   product(bool, PrintFlagsFinal, false,                                     \
          "Print all VM flags after argument and ergonomic processing")      \
                                                                             \
+  notproduct(bool, PrintFlagsWithComments, false,                           \
+         "Print all VM flags with default values and descriptions and exit")\
+                                                                            \
   diagnostic(bool, SerializeVMOutput, true,                                 \
          "Use a mutex to serialize output to tty and hotspot.log")          \
                                                                             \