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6979444: add command line option to print command line flags descriptions

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Implementation of a nonproduct boolean flag XX:PrintFlagsWithComments

Reviewed-by: kamg, dholmes, dsamersoff
This commit is contained in:
Ivan P Krylov 2010-08-31 03:14:00 -07:00
parent d7850a0df7
commit 5d5bcb4bca
4 changed files with 72 additions and 49 deletions
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10
hotspot/src/share/vm/runtime/globals.hpp
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@ -90,6 +90,9 @@ struct Flag {
const char *type;
const char *name;
void* addr;
NOT_PRODUCT(const char *doc;)
const char *kind;
FlagValueOrigin origin;
@ -131,7 +134,7 @@ struct Flag {
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 @@ class CommandLineFlags {
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 @@ class CommandLineFlags {
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") \
\