Mercurial > hg > truffle
diff src/share/vm/runtime/globals.hpp @ 4087:763f01599ff4
7116481: Commercial features in Hotspot must be gated by a switch
Summary: Add -XX:+UnlockCommercialVMOptions to gate use of commercial feature switches in the same way as -XX:UnlockDiagnosticVMOptions gates use of diagnostic feature switches.
Reviewed-by: jwilhelm, kamg
author | phh |
---|---|
date | Tue, 29 Nov 2011 17:00:46 -0500 |
parents | f9a80a035a4a |
children | 358eca91be48 |
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--- a/src/share/vm/runtime/globals.hpp Tue Nov 29 09:21:02 2011 -0500 +++ b/src/share/vm/runtime/globals.hpp Tue Nov 29 17:00:46 2011 -0500 @@ -373,7 +373,7 @@ // The type "ccstr" is an alias for "const char*" and is used // only in this file, because the macrology requires single-token type names. -// Note: Diagnostic options not meant for VM tuning or for product modes. +// Note: Diagnostic options are not meant for VM tuning or for product modes. // They are to be used for VM quality assurance or field diagnosis // of VM bugs. They are hidden so that users will not be encouraged to // try them as if they were VM ordinary execution options. However, they @@ -383,6 +383,12 @@ // option, you must first specify +UnlockDiagnosticVMOptions. // (This master switch also affects the behavior of -Xprintflags.) // +// +// commercial flags support features for which Oracle charges a fee for +// production use, though they're free for development and/or evaluation. +// There's no enforcement mechanism in Hotspot other than that +// -XX:+UnlockCommercialVMOptions must first be specified in order to use them. +// // experimental flags are in support of features that are not // part of the officially supported product, but are available // for experimenting with. They could, for example, be performance @@ -428,7 +434,7 @@ // Note that when there is a need to support develop flags to be writeable, // it can be done in the same way as product_rw. -#define RUNTIME_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw, lp64_product) \ +#define RUNTIME_FLAGS(develop, develop_pd, product, product_pd, commercial, diagnostic, experimental, notproduct, manageable, product_rw, lp64_product) \ \ lp64_product(bool, UseCompressedOops, false, \ "Use 32-bit object references in 64-bit VM. " \ @@ -462,15 +468,20 @@ develop(bool, CleanChunkPoolAsync, falseInEmbedded, \ "Whether to clean the chunk pool asynchronously") \ \ - /* Temporary: See 6948537 */ \ + /* Temporary: See 6948537 */ \ experimental(bool, UseMemSetInBOT, true, \ "(Unstable) uses memset in BOT updates in GC code") \ \ + commercial(bool, UnlockCommercialVMOptions, false, \ + "Enable normal processing of flags relating to commercial " \ + "features") \ + \ diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug, \ "Enable normal processing of flags relating to field diagnostics")\ \ experimental(bool, UnlockExperimentalVMOptions, false, \ - "Enable normal processing of flags relating to experimental features")\ + "Enable normal processing of flags relating to experimental " \ + "features") \ \ product(bool, JavaMonitorsInStackTrace, true, \ "Print info. about Java monitor locks when the stacks are dumped")\ @@ -578,7 +589,8 @@ "Verify stack of each thread when it is entering a runtime call") \ \ diagnostic(bool, ForceUnreachable, false, \ - "Make all non code cache addresses to be unreachable with forcing use of 64bit literal fixups") \ + "Make all non code cache addresses unreachable by forcing use of "\ + "64-bit literal fixups") \ \ notproduct(bool, StressDerivedPointers, false, \ "Force scavenge when a derived pointers is detected on stack " \ @@ -3852,7 +3864,11 @@ product(bool, UseVMInterruptibleIO, false, \ "(Unstable, Solaris-specific) Thread interrupt before or with " \ "EINTR for I/O operations results in OS_INTRPT. The default value"\ - " of this flag is true for JDK 6 and earliers") + " of this flag is true for JDK 6 and earlier") \ + \ + commercial(bool, FlightRecorder, false, \ + "Enable Java Flight Recorder") + /* * Macros for factoring of globals @@ -3861,6 +3877,7 @@ // Interface macros #define DECLARE_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; #define DECLARE_PD_PRODUCT_FLAG(type, name, doc) extern "C" type name; +#define DECLARE_COMMERCIAL_FLAG(type, name, value, doc) extern "C" type name; #define DECLARE_DIAGNOSTIC_FLAG(type, name, value, doc) extern "C" type name; #define DECLARE_EXPERIMENTAL_FLAG(type, name, value, doc) extern "C" type name; #define DECLARE_MANAGEABLE_FLAG(type, name, value, doc) extern "C" type name; @@ -3884,6 +3901,7 @@ // Implementation macros #define MATERIALIZE_PRODUCT_FLAG(type, name, value, doc) type name = value; #define MATERIALIZE_PD_PRODUCT_FLAG(type, name, doc) type name = pd_##name; +#define MATERIALIZE_COMMERCIAL_FLAG(type, name, value, doc) type name = value; #define MATERIALIZE_DIAGNOSTIC_FLAG(type, name, value, doc) type name = value; #define MATERIALIZE_EXPERIMENTAL_FLAG(type, name, value, doc) type name = value; #define MATERIALIZE_MANAGEABLE_FLAG(type, name, value, doc) type name = value; @@ -3903,7 +3921,7 @@ #define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) /* flag is constant */ #endif // _LP64 -RUNTIME_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG, DECLARE_MANAGEABLE_FLAG, DECLARE_PRODUCT_RW_FLAG, DECLARE_LP64_PRODUCT_FLAG) +RUNTIME_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_COMMERCIAL_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG, DECLARE_MANAGEABLE_FLAG, DECLARE_PRODUCT_RW_FLAG, DECLARE_LP64_PRODUCT_FLAG) RUNTIME_OS_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG)