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dragonwell8_hotspot
提交 61f70114 编写于 作者: I ikrylov
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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
上级 a3c963b4
显示空白变更内容
内联 并排
Showing with 72 addition and 49 deletion
src/share/vm/runtime/arguments.cpp
浏览文件 @ 61f70114
...@@ -2855,6 +2855,13 @@ jint Arguments::parse(const JavaVMInitArgs* args) { ...@@ -2855,6 +2855,13 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
CommandLineFlags::printFlags(); CommandLineFlags::printFlags();
vm_exit(0); vm_exit(0);
} }
#ifndef PRODUCT
if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) {
CommandLineFlags::printFlags(true);
vm_exit(0);
}
#endif
} }
if (IgnoreUnrecognizedVMOptions) { if (IgnoreUnrecognizedVMOptions) {
......
src/share/vm/runtime/globals.cpp
浏览文件 @ 61f70114
...@@ -68,12 +68,14 @@ bool Flag::is_external() const { ...@@ -68,12 +68,14 @@ bool Flag::is_external() const {
// Length of format string (e.g. "%.1234s") for printing ccstr below // Length of format string (e.g. "%.1234s") for printing ccstr below
#define FORMAT_BUFFER_LEN 16 #define FORMAT_BUFFER_LEN 16
void Flag::print_on(outputStream* st) { void Flag::print_on(outputStream* st, bool withComments) {
st->print("%5s %-35s %c= ", type, name, (origin != DEFAULT ? ':' : ' ')); st->print("%9s %-40s %c= ", type, name, (origin != DEFAULT ? ':' : ' '));
if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false"); if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false");
if (is_intx()) st->print("%-16ld", get_intx()); if (is_intx()) st->print("%-16ld", get_intx());
if (is_uintx()) st->print("%-16lu", get_uintx()); if (is_uintx()) st->print("%-16lu", get_uintx());
if (is_uint64_t()) st->print("%-16lu", get_uint64_t()); if (is_uint64_t()) st->print("%-16lu", get_uint64_t());
if (is_double()) st->print("%-16f", get_double());
if (is_ccstr()) { if (is_ccstr()) {
const char* cp = get_ccstr(); const char* cp = get_ccstr();
if (cp != NULL) { if (cp != NULL) {
...@@ -90,8 +92,14 @@ void Flag::print_on(outputStream* st) { ...@@ -90,8 +92,14 @@ void Flag::print_on(outputStream* st) {
} }
st->print("%-16s", cp); st->print("%-16s", cp);
} }
else st->print("%-16s", "");
}
st->print("%-20s", kind);
if (withComments) {
#ifndef PRODUCT
st->print("%s", doc );
#endif
} }
st->print(" %s", kind);
st->cr(); st->cr();
} }
...@@ -131,67 +139,67 @@ void Flag::print_as_flag(outputStream* st) { ...@@ -131,67 +139,67 @@ void Flag::print_as_flag(outputStream* st) {
// 4991491 do not "optimize out" the was_set false values: omitting them // 4991491 do not "optimize out" the was_set false values: omitting them
// tickles a Microsoft compiler bug causing flagTable to be malformed // tickles a Microsoft compiler bug causing flagTable to be malformed
#define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{product}", DEFAULT }, #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product}", DEFAULT },
#define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{pd product}", DEFAULT }, #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{pd product}", DEFAULT },
#define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{diagnostic}", DEFAULT }, #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{diagnostic}", DEFAULT },
#define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{experimental}", DEFAULT }, #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{experimental}", DEFAULT },
#define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{manageable}", DEFAULT }, #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{manageable}", DEFAULT },
#define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{product rw}", DEFAULT }, #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product rw}", DEFAULT },
#ifdef PRODUCT #ifdef PRODUCT
#define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
#define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */
#define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc)
#else #else
#define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "", DEFAULT }, #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "", DEFAULT },
#define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{pd}", DEFAULT }, #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{pd}", DEFAULT },
#define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{notproduct}", DEFAULT }, #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{notproduct}", DEFAULT },
#endif #endif
#ifdef _LP64 #ifdef _LP64
#define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{lp64_product}", DEFAULT }, #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{lp64_product}", DEFAULT },
#else #else
#define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
#endif // _LP64 #endif // _LP64
#define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C1 product}", DEFAULT }, #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 product}", DEFAULT },
#define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{C1 pd product}", DEFAULT }, #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 pd product}", DEFAULT },
#ifdef PRODUCT #ifdef PRODUCT
#define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
#define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */
#define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc)
#else #else
#define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C1}", DEFAULT }, #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT },
#define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{C1 pd}", DEFAULT }, #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT },
#define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C1 notproduct}", DEFAULT }, #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT },
#endif #endif
#define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C2 product}", DEFAULT }, #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT },
#define C2_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{C2 pd product}", DEFAULT }, #define C2_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 pd product}", DEFAULT },
#define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C2 diagnostic}", DEFAULT }, #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT },
#define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C2 experimental}", DEFAULT }, #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT },
#ifdef PRODUCT #ifdef PRODUCT
#define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
#define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */
#define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc)
#else #else
#define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C2}", DEFAULT }, #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT },
#define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{C2 pd}", DEFAULT }, #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT },
#define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C2 notproduct}", DEFAULT }, #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT },
#endif #endif
#define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{Shark product}", DEFAULT }, #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT },
#define SHARK_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{Shark pd product}", DEFAULT }, #define SHARK_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark pd product}", DEFAULT },
#define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{Shark diagnostic}", DEFAULT }, #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT },
#ifdef PRODUCT #ifdef PRODUCT
#define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
#define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */
#define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc)
#else #else
#define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{Shark}", DEFAULT }, #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT },
#define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{Shark pd}", DEFAULT }, #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT },
#define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{Shark notproduct}", DEFAULT }, #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT },
#endif #endif
static Flag flagTable[] = { static Flag flagTable[] = {
...@@ -485,7 +493,7 @@ void CommandLineFlags::verify() { ...@@ -485,7 +493,7 @@ void CommandLineFlags::verify() {
#endif // PRODUCT #endif // PRODUCT
void CommandLineFlags::printFlags() { void CommandLineFlags::printFlags(bool withComments) {
// Print the flags sorted by name // Print the flags sorted by name
// note: this method is called before the thread structure is in place // note: this method is called before the thread structure is in place
// which means resource allocation cannot be used. // which means resource allocation cannot be used.
...@@ -505,7 +513,7 @@ void CommandLineFlags::printFlags() { ...@@ -505,7 +513,7 @@ void CommandLineFlags::printFlags() {
tty->print_cr("[Global flags]"); tty->print_cr("[Global flags]");
for (int i = 0; i < length; i++) { for (int i = 0; i < length; i++) {
if (array[i]->is_unlocked()) { if (array[i]->is_unlocked()) {
array[i]->print_on(tty); array[i]->print_on(tty, withComments);
} }
} }
FREE_C_HEAP_ARRAY(Flag*, array); FREE_C_HEAP_ARRAY(Flag*, array);
......
src/share/vm/runtime/globals.hpp
浏览文件 @ 61f70114
...@@ -90,6 +90,9 @@ struct Flag { ...@@ -90,6 +90,9 @@ struct Flag {
const char *type; const char *type;
const char *name; const char *name;
void* addr; void* addr;
NOT_PRODUCT(const char *doc;)
const char *kind; const char *kind;
FlagValueOrigin origin; FlagValueOrigin origin;
...@@ -131,7 +134,7 @@ struct Flag { ...@@ -131,7 +134,7 @@ struct Flag {
bool is_writeable() const; bool is_writeable() const;
bool is_external() const; bool is_external() const;
void print_on(outputStream* st); void print_on(outputStream* st, bool withComments = false );
void print_as_flag(outputStream* st); void print_as_flag(outputStream* st);
}; };
...@@ -211,7 +214,7 @@ class CommandLineFlags { ...@@ -211,7 +214,7 @@ class CommandLineFlags {
static bool wasSetOnCmdline(const char* name, bool* value); static bool wasSetOnCmdline(const char* name, bool* value);
static void printSetFlags(); static void printSetFlags();
static void printFlags(); static void printFlags(bool withComments = false );
static void verify() PRODUCT_RETURN; static void verify() PRODUCT_RETURN;
}; };
...@@ -2406,6 +2409,9 @@ class CommandLineFlags { ...@@ -2406,6 +2409,9 @@ class CommandLineFlags {
product(bool, PrintFlagsFinal, false, \ product(bool, PrintFlagsFinal, false, \
"Print all VM flags after argument and ergonomic processing") \ "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, \ diagnostic(bool, SerializeVMOutput, true, \
"Use a mutex to serialize output to tty and hotspot.log") \ "Use a mutex to serialize output to tty and hotspot.log") \
\ \
......
src/share/vm/utilities/macros.hpp
浏览文件 @ 61f70114
...@@ -76,12 +76,14 @@ ...@@ -76,12 +76,14 @@
#ifdef PRODUCT #ifdef PRODUCT
#define PRODUCT_ONLY(code) code #define PRODUCT_ONLY(code) code
#define NOT_PRODUCT(code) #define NOT_PRODUCT(code)
#define NOT_PRODUCT_ARG(arg)
#define PRODUCT_RETURN {} #define PRODUCT_RETURN {}
#define PRODUCT_RETURN0 { return 0; } #define PRODUCT_RETURN0 { return 0; }
#define PRODUCT_RETURN_(code) { code } #define PRODUCT_RETURN_(code) { code }
#else // PRODUCT #else // PRODUCT
#define PRODUCT_ONLY(code) #define PRODUCT_ONLY(code)
#define NOT_PRODUCT(code) code #define NOT_PRODUCT(code) code
#define NOT_PRODUCT_ARG(arg) arg,
#define PRODUCT_RETURN /*next token must be ;*/ #define PRODUCT_RETURN /*next token must be ;*/
#define PRODUCT_RETURN0 /*next token must be ;*/ #define PRODUCT_RETURN0 /*next token must be ;*/
#define PRODUCT_RETURN_(code) /*next token must be ;*/ #define PRODUCT_RETURN_(code) /*next token must be ;*/
......
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