--- a/src/hotspot/share/runtime/globals.cpp Thu Apr 26 19:32:01 2018 +0200
+++ b/src/hotspot/share/runtime/globals.cpp Thu May 03 09:43:47 2018 +0200
@@ -29,9 +29,9 @@
#include "runtime/arguments.hpp"
#include "runtime/globals.hpp"
#include "runtime/globals_extension.hpp"
-#include "runtime/commandLineFlagConstraintList.hpp"
-#include "runtime/commandLineFlagWriteableList.hpp"
-#include "runtime/commandLineFlagRangeList.hpp"
+#include "runtime/flags/jvmFlagConstraintList.hpp"
+#include "runtime/flags/jvmFlagWriteableList.hpp"
+#include "runtime/flags/jvmFlagRangeList.hpp"
#include "runtime/os.hpp"
#include "runtime/sharedRuntime.hpp"
#include "trace/tracing.hpp"
@@ -85,1473 +85,3 @@
IGNORE_WRITEABLE)
MATERIALIZE_FLAGS_EXT
-
-#define DEFAULT_RANGE_STR_CHUNK_SIZE 64
-static char* create_range_str(const char *fmt, ...) {
- static size_t string_length = DEFAULT_RANGE_STR_CHUNK_SIZE;
- static char* range_string = NEW_C_HEAP_ARRAY(char, string_length, mtLogging);
-
- int size_needed = 0;
- do {
- va_list args;
- va_start(args, fmt);
- size_needed = jio_vsnprintf(range_string, string_length, fmt, args);
- va_end(args);
-
- if (size_needed < 0) {
- string_length += DEFAULT_RANGE_STR_CHUNK_SIZE;
- range_string = REALLOC_C_HEAP_ARRAY(char, range_string, string_length, mtLogging);
- guarantee(range_string != NULL, "create_range_str string should not be NULL");
- }
- } while (size_needed < 0);
-
- return range_string;
-}
-
-const char* Flag::get_int_default_range_str() {
- return create_range_str("[ " INT32_FORMAT_W(-25) " ... " INT32_FORMAT_W(25) " ]", INT_MIN, INT_MAX);
-}
-
-const char* Flag::get_uint_default_range_str() {
- return create_range_str("[ " UINT32_FORMAT_W(-25) " ... " UINT32_FORMAT_W(25) " ]", 0, UINT_MAX);
-}
-
-const char* Flag::get_intx_default_range_str() {
- return create_range_str("[ " INTX_FORMAT_W(-25) " ... " INTX_FORMAT_W(25) " ]", min_intx, max_intx);
-}
-
-const char* Flag::get_uintx_default_range_str() {
- return create_range_str("[ " UINTX_FORMAT_W(-25) " ... " UINTX_FORMAT_W(25) " ]", 0, max_uintx);
-}
-
-const char* Flag::get_uint64_t_default_range_str() {
- return create_range_str("[ " UINT64_FORMAT_W(-25) " ... " UINT64_FORMAT_W(25) " ]", 0, uint64_t(max_juint));
-}
-
-const char* Flag::get_size_t_default_range_str() {
- return create_range_str("[ " SIZE_FORMAT_W(-25) " ... " SIZE_FORMAT_W(25) " ]", 0, SIZE_MAX);
-}
-
-const char* Flag::get_double_default_range_str() {
- return create_range_str("[ %-25.3f ... %25.3f ]", DBL_MIN, DBL_MAX);
-}
-
-static bool is_product_build() {
-#ifdef PRODUCT
- return true;
-#else
- return false;
-#endif
-}
-
-Flag::Error Flag::check_writable(bool changed) {
- if (is_constant_in_binary()) {
- fatal("flag is constant: %s", _name);
- }
-
- Flag::Error error = Flag::SUCCESS;
- if (changed) {
- CommandLineFlagWriteable* writeable = CommandLineFlagWriteableList::find(_name);
- if (writeable) {
- if (writeable->is_writeable() == false) {
- switch (writeable->type())
- {
- case CommandLineFlagWriteable::Once:
- error = Flag::SET_ONLY_ONCE;
- jio_fprintf(defaultStream::error_stream(), "Error: %s may not be set more than once\n", _name);
- break;
- case CommandLineFlagWriteable::CommandLineOnly:
- error = Flag::COMMAND_LINE_ONLY;
- jio_fprintf(defaultStream::error_stream(), "Error: %s may be modified only from commad line\n", _name);
- break;
- default:
- ShouldNotReachHere();
- break;
- }
- }
- writeable->mark_once();
- }
- }
- return error;
-}
-
-bool Flag::is_bool() const {
- return strcmp(_type, "bool") == 0;
-}
-
-bool Flag::get_bool() const {
- return *((bool*) _addr);
-}
-
-Flag::Error Flag::set_bool(bool value) {
- Flag::Error error = check_writable(value!=get_bool());
- if (error == Flag::SUCCESS) {
- *((bool*) _addr) = value;
- }
- return error;
-}
-
-bool Flag::is_int() const {
- return strcmp(_type, "int") == 0;
-}
-
-int Flag::get_int() const {
- return *((int*) _addr);
-}
-
-Flag::Error Flag::set_int(int value) {
- Flag::Error error = check_writable(value!=get_int());
- if (error == Flag::SUCCESS) {
- *((int*) _addr) = value;
- }
- return error;
-}
-
-bool Flag::is_uint() const {
- return strcmp(_type, "uint") == 0;
-}
-
-uint Flag::get_uint() const {
- return *((uint*) _addr);
-}
-
-Flag::Error Flag::set_uint(uint value) {
- Flag::Error error = check_writable(value!=get_uint());
- if (error == Flag::SUCCESS) {
- *((uint*) _addr) = value;
- }
- return error;
-}
-
-bool Flag::is_intx() const {
- return strcmp(_type, "intx") == 0;
-}
-
-intx Flag::get_intx() const {
- return *((intx*) _addr);
-}
-
-Flag::Error Flag::set_intx(intx value) {
- Flag::Error error = check_writable(value!=get_intx());
- if (error == Flag::SUCCESS) {
- *((intx*) _addr) = value;
- }
- return error;
-}
-
-bool Flag::is_uintx() const {
- return strcmp(_type, "uintx") == 0;
-}
-
-uintx Flag::get_uintx() const {
- return *((uintx*) _addr);
-}
-
-Flag::Error Flag::set_uintx(uintx value) {
- Flag::Error error = check_writable(value!=get_uintx());
- if (error == Flag::SUCCESS) {
- *((uintx*) _addr) = value;
- }
- return error;
-}
-
-bool Flag::is_uint64_t() const {
- return strcmp(_type, "uint64_t") == 0;
-}
-
-uint64_t Flag::get_uint64_t() const {
- return *((uint64_t*) _addr);
-}
-
-Flag::Error Flag::set_uint64_t(uint64_t value) {
- Flag::Error error = check_writable(value!=get_uint64_t());
- if (error == Flag::SUCCESS) {
- *((uint64_t*) _addr) = value;
- }
- return error;
-}
-
-bool Flag::is_size_t() const {
- return strcmp(_type, "size_t") == 0;
-}
-
-size_t Flag::get_size_t() const {
- return *((size_t*) _addr);
-}
-
-Flag::Error Flag::set_size_t(size_t value) {
- Flag::Error error = check_writable(value!=get_size_t());
- if (error == Flag::SUCCESS) {
- *((size_t*) _addr) = value;
- }
- return error;
-}
-
-bool Flag::is_double() const {
- return strcmp(_type, "double") == 0;
-}
-
-double Flag::get_double() const {
- return *((double*) _addr);
-}
-
-Flag::Error Flag::set_double(double value) {
- Flag::Error error = check_writable(value!=get_double());
- if (error == Flag::SUCCESS) {
- *((double*) _addr) = value;
- }
- return error;
-}
-
-bool Flag::is_ccstr() const {
- return strcmp(_type, "ccstr") == 0 || strcmp(_type, "ccstrlist") == 0;
-}
-
-bool Flag::ccstr_accumulates() const {
- return strcmp(_type, "ccstrlist") == 0;
-}
-
-ccstr Flag::get_ccstr() const {
- return *((ccstr*) _addr);
-}
-
-Flag::Error Flag::set_ccstr(ccstr value) {
- Flag::Error error = check_writable(value!=get_ccstr());
- if (error == Flag::SUCCESS) {
- *((ccstr*) _addr) = value;
- }
- return error;
-}
-
-
-Flag::Flags Flag::get_origin() {
- return Flags(_flags & VALUE_ORIGIN_MASK);
-}
-
-void Flag::set_origin(Flags origin) {
- assert((origin & VALUE_ORIGIN_MASK) == origin, "sanity");
- Flags new_origin = Flags((origin == COMMAND_LINE) ? Flags(origin | ORIG_COMMAND_LINE) : origin);
- _flags = Flags((_flags & ~VALUE_ORIGIN_MASK) | new_origin);
-}
-
-bool Flag::is_default() {
- return (get_origin() == DEFAULT);
-}
-
-bool Flag::is_ergonomic() {
- return (get_origin() == ERGONOMIC);
-}
-
-bool Flag::is_command_line() {
- return (_flags & ORIG_COMMAND_LINE) != 0;
-}
-
-void Flag::set_command_line() {
- _flags = Flags(_flags | ORIG_COMMAND_LINE);
-}
-
-bool Flag::is_product() const {
- return (_flags & KIND_PRODUCT) != 0;
-}
-
-bool Flag::is_manageable() const {
- return (_flags & KIND_MANAGEABLE) != 0;
-}
-
-bool Flag::is_diagnostic() const {
- return (_flags & KIND_DIAGNOSTIC) != 0;
-}
-
-bool Flag::is_experimental() const {
- return (_flags & KIND_EXPERIMENTAL) != 0;
-}
-
-bool Flag::is_notproduct() const {
- return (_flags & KIND_NOT_PRODUCT) != 0;
-}
-
-bool Flag::is_develop() const {
- return (_flags & KIND_DEVELOP) != 0;
-}
-
-bool Flag::is_read_write() const {
- return (_flags & KIND_READ_WRITE) != 0;
-}
-
-bool Flag::is_commercial() const {
- return (_flags & KIND_COMMERCIAL) != 0;
-}
-
-/**
- * Returns if this flag is a constant in the binary. Right now this is
- * true for notproduct and develop flags in product builds.
- */
-bool Flag::is_constant_in_binary() const {
-#ifdef PRODUCT
- return is_notproduct() || is_develop();
-#else
- return false;
-#endif
-}
-
-bool Flag::is_unlocker() const {
- return strcmp(_name, "UnlockDiagnosticVMOptions") == 0 ||
- strcmp(_name, "UnlockExperimentalVMOptions") == 0 ||
- is_unlocker_ext();
-}
-
-bool Flag::is_unlocked() const {
- if (is_diagnostic()) {
- return UnlockDiagnosticVMOptions;
- }
- if (is_experimental()) {
- return UnlockExperimentalVMOptions;
- }
- return is_unlocked_ext();
-}
-
-void Flag::clear_diagnostic() {
- assert(is_diagnostic(), "sanity");
- _flags = Flags(_flags & ~KIND_DIAGNOSTIC);
- assert(!is_diagnostic(), "sanity");
-}
-
-// Get custom message for this locked flag, or NULL if
-// none is available. Returns message type produced.
-Flag::MsgType Flag::get_locked_message(char* buf, int buflen) const {
- buf[0] = '\0';
- if (is_diagnostic() && !is_unlocked()) {
- jio_snprintf(buf, buflen,
- "Error: VM option '%s' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.\n"
- "Error: The unlock option must precede '%s'.\n",
- _name, _name);
- return Flag::DIAGNOSTIC_FLAG_BUT_LOCKED;
- }
- if (is_experimental() && !is_unlocked()) {
- jio_snprintf(buf, buflen,
- "Error: VM option '%s' is experimental and must be enabled via -XX:+UnlockExperimentalVMOptions.\n"
- "Error: The unlock option must precede '%s'.\n",
- _name, _name);
- return Flag::EXPERIMENTAL_FLAG_BUT_LOCKED;
- }
- if (is_develop() && is_product_build()) {
- jio_snprintf(buf, buflen, "Error: VM option '%s' is develop and is available only in debug version of VM.\n",
- _name);
- return Flag::DEVELOPER_FLAG_BUT_PRODUCT_BUILD;
- }
- if (is_notproduct() && is_product_build()) {
- jio_snprintf(buf, buflen, "Error: VM option '%s' is notproduct and is available only in debug version of VM.\n",
- _name);
- return Flag::NOTPRODUCT_FLAG_BUT_PRODUCT_BUILD;
- }
- return get_locked_message_ext(buf, buflen);
-}
-
-bool Flag::is_writeable() const {
- return is_manageable() || (is_product() && is_read_write()) || is_writeable_ext();
-}
-
-// All flags except "manageable" are assumed to be internal flags.
-// Long term, we need to define a mechanism to specify which flags
-// are external/stable and change this function accordingly.
-bool Flag::is_external() const {
- return is_manageable() || is_external_ext();
-}
-
-// Helper function for Flag::print_on().
-// Fills current line up to requested position.
-// Should the current position already be past the requested position,
-// one separator blank is enforced.
-void fill_to_pos(outputStream* st, unsigned int req_pos) {
- if ((unsigned int)st->position() < req_pos) {
- st->fill_to(req_pos); // need to fill with blanks to reach req_pos
- } else {
- st->print(" "); // enforce blank separation. Previous field too long.
- }
-}
-
-void Flag::print_on(outputStream* st, bool withComments, bool printRanges) {
- // Don't print notproduct and develop flags in a product build.
- if (is_constant_in_binary()) {
- return;
- }
-
- if (!printRanges) {
- // The command line options -XX:+PrintFlags* cause this function to be called
- // for each existing flag to print information pertinent to this flag. The data
- // is displayed in columnar form, with the following layout:
- // col1 - data type, right-justified
- // col2 - name, left-justified
- // col3 - ' =' double-char, leading space to align with possible '+='
- // col4 - value left-justified
- // col5 - kind right-justified
- // col6 - origin left-justified
- // col7 - comments left-justified
- //
- // The column widths are fixed. They are defined such that, for most cases,
- // an eye-pleasing tabular output is created.
- //
- // Sample output:
- // bool CMSScavengeBeforeRemark = false {product} {default}
- // uintx CMSScheduleRemarkEdenPenetration = 50 {product} {default}
- // size_t CMSScheduleRemarkEdenSizeThreshold = 2097152 {product} {default}
- // uintx CMSScheduleRemarkSamplingRatio = 5 {product} {default}
- // double CMSSmallCoalSurplusPercent = 1.050000 {product} {default}
- // ccstr CompileCommandFile = MyFile.cmd {product} {command line}
- // ccstrlist CompileOnly = Method1
- // CompileOnly += Method2 {product} {command line}
- // | | | | | | |
- // | | | | | | +-- col7
- // | | | | | +-- col6
- // | | | | +-- col5
- // | | | +-- col4
- // | | +-- col3
- // | +-- col2
- // +-- col1
-
- const unsigned int col_spacing = 1;
- const unsigned int col1_pos = 0;
- const unsigned int col1_width = 9;
- const unsigned int col2_pos = col1_pos + col1_width + col_spacing;
- const unsigned int col2_width = 39;
- const unsigned int col3_pos = col2_pos + col2_width + col_spacing;
- const unsigned int col3_width = 2;
- const unsigned int col4_pos = col3_pos + col3_width + col_spacing;
- const unsigned int col4_width = 30;
- const unsigned int col5_pos = col4_pos + col4_width + col_spacing;
- const unsigned int col5_width = 20;
- const unsigned int col6_pos = col5_pos + col5_width + col_spacing;
- const unsigned int col6_width = 15;
- const unsigned int col7_pos = col6_pos + col6_width + col_spacing;
- const unsigned int col7_width = 1;
-
- st->fill_to(col1_pos);
- st->print("%*s", col1_width, _type); // right-justified, therefore width is required.
-
- fill_to_pos(st, col2_pos);
- st->print("%s", _name);
-
- fill_to_pos(st, col3_pos);
- st->print(" ="); // use " =" for proper alignment with multiline ccstr output.
-
- fill_to_pos(st, col4_pos);
- if (is_bool()) {
- st->print("%s", get_bool() ? "true" : "false");
- } else if (is_int()) {
- st->print("%d", get_int());
- } else if (is_uint()) {
- st->print("%u", get_uint());
- } else if (is_intx()) {
- st->print(INTX_FORMAT, get_intx());
- } else if (is_uintx()) {
- st->print(UINTX_FORMAT, get_uintx());
- } else if (is_uint64_t()) {
- st->print(UINT64_FORMAT, get_uint64_t());
- } else if (is_size_t()) {
- st->print(SIZE_FORMAT, get_size_t());
- } else if (is_double()) {
- st->print("%f", get_double());
- } else if (is_ccstr()) {
- // Honor <newline> characters in ccstr: print multiple lines.
- const char* cp = get_ccstr();
- if (cp != NULL) {
- const char* eol;
- while ((eol = strchr(cp, '\n')) != NULL) {
- size_t llen = pointer_delta(eol, cp, sizeof(char));
- st->print("%.*s", (int)llen, cp);
- st->cr();
- cp = eol+1;
- fill_to_pos(st, col2_pos);
- st->print("%s", _name);
- fill_to_pos(st, col3_pos);
- st->print("+=");
- fill_to_pos(st, col4_pos);
- }
- st->print("%s", cp);
- }
- } else {
- st->print("unhandled type %s", _type);
- st->cr();
- return;
- }
-
- fill_to_pos(st, col5_pos);
- print_kind(st, col5_width);
-
- fill_to_pos(st, col6_pos);
- print_origin(st, col6_width);
-
-#ifndef PRODUCT
- if (withComments) {
- fill_to_pos(st, col7_pos);
- st->print("%s", _doc);
- }
-#endif
- st->cr();
- } else if (!is_bool() && !is_ccstr()) {
- // The command line options -XX:+PrintFlags* cause this function to be called
- // for each existing flag to print information pertinent to this flag. The data
- // is displayed in columnar form, with the following layout:
- // col1 - data type, right-justified
- // col2 - name, left-justified
- // col4 - range [ min ... max]
- // col5 - kind right-justified
- // col6 - origin left-justified
- // col7 - comments left-justified
- //
- // The column widths are fixed. They are defined such that, for most cases,
- // an eye-pleasing tabular output is created.
- //
- // Sample output:
- // intx MinPassesBeforeFlush [ 0 ... 9223372036854775807 ] {diagnostic} {default}
- // uintx MinRAMFraction [ 1 ... 18446744073709551615 ] {product} {default}
- // double MinRAMPercentage [ 0.000 ... 100.000 ] {product} {default}
- // uintx MinSurvivorRatio [ 3 ... 18446744073709551615 ] {product} {default}
- // size_t MinTLABSize [ 1 ... 9223372036854775807 ] {product} {default}
- // intx MonitorBound [ 0 ... 2147483647 ] {product} {default}
- // | | | | | |
- // | | | | | +-- col7
- // | | | | +-- col6
- // | | | +-- col5
- // | | +-- col4
- // | +-- col2
- // +-- col1
-
- const unsigned int col_spacing = 1;
- const unsigned int col1_pos = 0;
- const unsigned int col1_width = 9;
- const unsigned int col2_pos = col1_pos + col1_width + col_spacing;
- const unsigned int col2_width = 49;
- const unsigned int col3_pos = col2_pos + col2_width + col_spacing;
- const unsigned int col3_width = 0;
- const unsigned int col4_pos = col3_pos + col3_width + col_spacing;
- const unsigned int col4_width = 60;
- const unsigned int col5_pos = col4_pos + col4_width + col_spacing;
- const unsigned int col5_width = 35;
- const unsigned int col6_pos = col5_pos + col5_width + col_spacing;
- const unsigned int col6_width = 15;
- const unsigned int col7_pos = col6_pos + col6_width + col_spacing;
- const unsigned int col7_width = 1;
-
- st->fill_to(col1_pos);
- st->print("%*s", col1_width, _type); // right-justified, therefore width is required.
-
- fill_to_pos(st, col2_pos);
- st->print("%s", _name);
-
- fill_to_pos(st, col4_pos);
- RangeStrFunc func = NULL;
- if (is_int()) {
- func = Flag::get_int_default_range_str;
- } else if (is_uint()) {
- func = Flag::get_uint_default_range_str;
- } else if (is_intx()) {
- func = Flag::get_intx_default_range_str;
- } else if (is_uintx()) {
- func = Flag::get_uintx_default_range_str;
- } else if (is_uint64_t()) {
- func = Flag::get_uint64_t_default_range_str;
- } else if (is_size_t()) {
- func = Flag::get_size_t_default_range_str;
- } else if (is_double()) {
- func = Flag::get_double_default_range_str;
- } else {
- st->print("unhandled type %s", _type);
- st->cr();
- return;
- }
- CommandLineFlagRangeList::print(st, _name, func);
-
- fill_to_pos(st, col5_pos);
- print_kind(st, col5_width);
-
- fill_to_pos(st, col6_pos);
- print_origin(st, col6_width);
-
-#ifndef PRODUCT
- if (withComments) {
- fill_to_pos(st, col7_pos);
- st->print("%s", _doc);
- }
-#endif
- st->cr();
- }
-}
-
-void Flag::print_kind(outputStream* st, unsigned int width) {
- struct Data {
- int flag;
- const char* name;
- };
-
- Data data[] = {
- { KIND_JVMCI, "JVMCI" },
- { KIND_C1, "C1" },
- { KIND_C2, "C2" },
- { KIND_ARCH, "ARCH" },
- { KIND_PLATFORM_DEPENDENT, "pd" },
- { KIND_PRODUCT, "product" },
- { KIND_MANAGEABLE, "manageable" },
- { KIND_DIAGNOSTIC, "diagnostic" },
- { KIND_EXPERIMENTAL, "experimental" },
- { KIND_COMMERCIAL, "commercial" },
- { KIND_NOT_PRODUCT, "notproduct" },
- { KIND_DEVELOP, "develop" },
- { KIND_LP64_PRODUCT, "lp64_product" },
- { KIND_READ_WRITE, "rw" },
- { -1, "" }
- };
-
- if ((_flags & KIND_MASK) != 0) {
- bool is_first = true;
- const size_t buffer_size = 64;
- size_t buffer_used = 0;
- char kind[buffer_size];
-
- jio_snprintf(kind, buffer_size, "{");
- buffer_used++;
- for (int i = 0; data[i].flag != -1; i++) {
- Data d = data[i];
- if ((_flags & d.flag) != 0) {
- if (is_first) {
- is_first = false;
- } else {
- assert(buffer_used + 1 < buffer_size, "Too small buffer");
- jio_snprintf(kind + buffer_used, buffer_size - buffer_used, " ");
- buffer_used++;
- }
- size_t length = strlen(d.name);
- assert(buffer_used + length < buffer_size, "Too small buffer");
- jio_snprintf(kind + buffer_used, buffer_size - buffer_used, "%s", d.name);
- buffer_used += length;
- }
- }
- assert(buffer_used + 2 <= buffer_size, "Too small buffer");
- jio_snprintf(kind + buffer_used, buffer_size - buffer_used, "}");
- st->print("%*s", width, kind);
- }
-}
-
-void Flag::print_origin(outputStream* st, unsigned int width) {
- int origin = _flags & VALUE_ORIGIN_MASK;
- st->print("{");
- switch(origin) {
- case DEFAULT:
- st->print("default"); break;
- case COMMAND_LINE:
- st->print("command line"); break;
- case ENVIRON_VAR:
- st->print("environment"); break;
- case CONFIG_FILE:
- st->print("config file"); break;
- case MANAGEMENT:
- st->print("management"); break;
- case ERGONOMIC:
- if (_flags & ORIG_COMMAND_LINE) {
- st->print("command line, ");
- }
- st->print("ergonomic"); break;
- case ATTACH_ON_DEMAND:
- st->print("attach"); break;
- case INTERNAL:
- st->print("internal"); break;
- }
- st->print("}");
-}
-
-void Flag::print_as_flag(outputStream* st) {
- if (is_bool()) {
- st->print("-XX:%s%s", get_bool() ? "+" : "-", _name);
- } else if (is_int()) {
- st->print("-XX:%s=%d", _name, get_int());
- } else if (is_uint()) {
- st->print("-XX:%s=%u", _name, get_uint());
- } else if (is_intx()) {
- st->print("-XX:%s=" INTX_FORMAT, _name, get_intx());
- } else if (is_uintx()) {
- st->print("-XX:%s=" UINTX_FORMAT, _name, get_uintx());
- } else if (is_uint64_t()) {
- st->print("-XX:%s=" UINT64_FORMAT, _name, get_uint64_t());
- } else if (is_size_t()) {
- st->print("-XX:%s=" SIZE_FORMAT, _name, get_size_t());
- } else if (is_double()) {
- st->print("-XX:%s=%f", _name, get_double());
- } else if (is_ccstr()) {
- st->print("-XX:%s=", _name);
- const char* cp = get_ccstr();
- if (cp != NULL) {
- // Need to turn embedded '\n's back into separate arguments
- // Not so efficient to print one character at a time,
- // but the choice is to do the transformation to a buffer
- // and print that. And this need not be efficient.
- for (; *cp != '\0'; cp += 1) {
- switch (*cp) {
- default:
- st->print("%c", *cp);
- break;
- case '\n':
- st->print(" -XX:%s=", _name);
- break;
- }
- }
- }
- } else {
- ShouldNotReachHere();
- }
-}
-
-const char* Flag::flag_error_str(Flag::Error error) {
- switch (error) {
- case Flag::MISSING_NAME: return "MISSING_NAME";
- case Flag::MISSING_VALUE: return "MISSING_VALUE";
- case Flag::NON_WRITABLE: return "NON_WRITABLE";
- case Flag::OUT_OF_BOUNDS: return "OUT_OF_BOUNDS";
- case Flag::VIOLATES_CONSTRAINT: return "VIOLATES_CONSTRAINT";
- case Flag::INVALID_FLAG: return "INVALID_FLAG";
- case Flag::ERR_OTHER: return "ERR_OTHER";
- case Flag::SUCCESS: return "SUCCESS";
- default: ShouldNotReachHere(); return "NULL";
- }
-}
-
-// 4991491 do not "optimize out" the was_set false values: omitting them
-// tickles a Microsoft compiler bug causing flagTable to be malformed
-
-#define RUNTIME_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_PRODUCT) },
-#define RUNTIME_PD_PRODUCT_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_PRODUCT | Flag::KIND_PLATFORM_DEPENDENT) },
-#define RUNTIME_DIAGNOSTIC_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_DIAGNOSTIC) },
-#define RUNTIME_PD_DIAGNOSTIC_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_DIAGNOSTIC | Flag::KIND_PLATFORM_DEPENDENT) },
-#define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_EXPERIMENTAL) },
-#define RUNTIME_MANAGEABLE_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_MANAGEABLE) },
-#define RUNTIME_PRODUCT_RW_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_PRODUCT | Flag::KIND_READ_WRITE) },
-#define RUNTIME_DEVELOP_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_DEVELOP) },
-#define RUNTIME_PD_DEVELOP_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_DEVELOP | Flag::KIND_PLATFORM_DEPENDENT) },
-#define RUNTIME_NOTPRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_NOT_PRODUCT) },
-
-#define JVMCI_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_JVMCI | Flag::KIND_PRODUCT) },
-#define JVMCI_PD_PRODUCT_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_JVMCI | Flag::KIND_PRODUCT | Flag::KIND_PLATFORM_DEPENDENT) },
-#define JVMCI_DIAGNOSTIC_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_JVMCI | Flag::KIND_DIAGNOSTIC) },
-#define JVMCI_PD_DIAGNOSTIC_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_JVMCI | Flag::KIND_DIAGNOSTIC | Flag::KIND_PLATFORM_DEPENDENT) },
-#define JVMCI_EXPERIMENTAL_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_JVMCI | Flag::KIND_EXPERIMENTAL) },
-#define JVMCI_DEVELOP_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_JVMCI | Flag::KIND_DEVELOP) },
-#define JVMCI_PD_DEVELOP_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_JVMCI | Flag::KIND_DEVELOP | Flag::KIND_PLATFORM_DEPENDENT) },
-#define JVMCI_NOTPRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_JVMCI | Flag::KIND_NOT_PRODUCT) },
-
-#ifdef _LP64
-#define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_LP64_PRODUCT) },
-#else
-#define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
-#endif // _LP64
-
-#define C1_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_PRODUCT) },
-#define C1_PD_PRODUCT_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_PRODUCT | Flag::KIND_PLATFORM_DEPENDENT) },
-#define C1_DIAGNOSTIC_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_DIAGNOSTIC) },
-#define C1_PD_DIAGNOSTIC_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_DIAGNOSTIC | Flag::KIND_PLATFORM_DEPENDENT) },
-#define C1_DEVELOP_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_DEVELOP) },
-#define C1_PD_DEVELOP_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_DEVELOP | Flag::KIND_PLATFORM_DEPENDENT) },
-#define C1_NOTPRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_NOT_PRODUCT) },
-
-#define C2_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_PRODUCT) },
-#define C2_PD_PRODUCT_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_PRODUCT | Flag::KIND_PLATFORM_DEPENDENT) },
-#define C2_DIAGNOSTIC_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_DIAGNOSTIC) },
-#define C2_PD_DIAGNOSTIC_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_DIAGNOSTIC | Flag::KIND_PLATFORM_DEPENDENT) },
-#define C2_EXPERIMENTAL_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_EXPERIMENTAL) },
-#define C2_DEVELOP_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_DEVELOP) },
-#define C2_PD_DEVELOP_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_DEVELOP | Flag::KIND_PLATFORM_DEPENDENT) },
-#define C2_NOTPRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_NOT_PRODUCT) },
-
-#define ARCH_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_ARCH | Flag::KIND_PRODUCT) },
-#define ARCH_DIAGNOSTIC_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_ARCH | Flag::KIND_DIAGNOSTIC) },
-#define ARCH_EXPERIMENTAL_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_ARCH | Flag::KIND_EXPERIMENTAL) },
-#define ARCH_DEVELOP_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_ARCH | Flag::KIND_DEVELOP) },
-#define ARCH_NOTPRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), (void*) &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_ARCH | Flag::KIND_NOT_PRODUCT) },
-
-static Flag flagTable[] = {
- VM_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, \
- RUNTIME_PD_DEVELOP_FLAG_STRUCT, \
- RUNTIME_PRODUCT_FLAG_STRUCT, \
- RUNTIME_PD_PRODUCT_FLAG_STRUCT, \
- RUNTIME_DIAGNOSTIC_FLAG_STRUCT, \
- RUNTIME_PD_DIAGNOSTIC_FLAG_STRUCT, \
- RUNTIME_EXPERIMENTAL_FLAG_STRUCT, \
- RUNTIME_NOTPRODUCT_FLAG_STRUCT, \
- RUNTIME_MANAGEABLE_FLAG_STRUCT, \
- RUNTIME_PRODUCT_RW_FLAG_STRUCT, \
- RUNTIME_LP64_PRODUCT_FLAG_STRUCT, \
- IGNORE_RANGE, \
- IGNORE_CONSTRAINT, \
- IGNORE_WRITEABLE)
-
- RUNTIME_OS_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, \
- RUNTIME_PD_DEVELOP_FLAG_STRUCT, \
- RUNTIME_PRODUCT_FLAG_STRUCT, \
- RUNTIME_PD_PRODUCT_FLAG_STRUCT, \
- RUNTIME_DIAGNOSTIC_FLAG_STRUCT, \
- RUNTIME_PD_DIAGNOSTIC_FLAG_STRUCT, \
- RUNTIME_NOTPRODUCT_FLAG_STRUCT, \
- IGNORE_RANGE, \
- IGNORE_CONSTRAINT, \
- IGNORE_WRITEABLE)
-#if INCLUDE_JVMCI
- JVMCI_FLAGS(JVMCI_DEVELOP_FLAG_STRUCT, \
- JVMCI_PD_DEVELOP_FLAG_STRUCT, \
- JVMCI_PRODUCT_FLAG_STRUCT, \
- JVMCI_PD_PRODUCT_FLAG_STRUCT, \
- JVMCI_DIAGNOSTIC_FLAG_STRUCT, \
- JVMCI_PD_DIAGNOSTIC_FLAG_STRUCT, \
- JVMCI_EXPERIMENTAL_FLAG_STRUCT, \
- JVMCI_NOTPRODUCT_FLAG_STRUCT, \
- IGNORE_RANGE, \
- IGNORE_CONSTRAINT, \
- IGNORE_WRITEABLE)
-#endif // INCLUDE_JVMCI
-#ifdef COMPILER1
- C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, \
- C1_PD_DEVELOP_FLAG_STRUCT, \
- C1_PRODUCT_FLAG_STRUCT, \
- C1_PD_PRODUCT_FLAG_STRUCT, \
- C1_DIAGNOSTIC_FLAG_STRUCT, \
- C1_PD_DIAGNOSTIC_FLAG_STRUCT, \
- C1_NOTPRODUCT_FLAG_STRUCT, \
- IGNORE_RANGE, \
- IGNORE_CONSTRAINT, \
- IGNORE_WRITEABLE)
-#endif // COMPILER1
-#ifdef COMPILER2
- C2_FLAGS(C2_DEVELOP_FLAG_STRUCT, \
- C2_PD_DEVELOP_FLAG_STRUCT, \
- C2_PRODUCT_FLAG_STRUCT, \
- C2_PD_PRODUCT_FLAG_STRUCT, \
- C2_DIAGNOSTIC_FLAG_STRUCT, \
- C2_PD_DIAGNOSTIC_FLAG_STRUCT, \
- C2_EXPERIMENTAL_FLAG_STRUCT, \
- C2_NOTPRODUCT_FLAG_STRUCT, \
- IGNORE_RANGE, \
- IGNORE_CONSTRAINT, \
- IGNORE_WRITEABLE)
-#endif // COMPILER2
- ARCH_FLAGS(ARCH_DEVELOP_FLAG_STRUCT, \
- ARCH_PRODUCT_FLAG_STRUCT, \
- ARCH_DIAGNOSTIC_FLAG_STRUCT, \
- ARCH_EXPERIMENTAL_FLAG_STRUCT, \
- ARCH_NOTPRODUCT_FLAG_STRUCT, \
- IGNORE_RANGE, \
- IGNORE_CONSTRAINT, \
- IGNORE_WRITEABLE)
- FLAGTABLE_EXT
- {0, NULL, NULL}
-};
-
-Flag* Flag::flags = flagTable;
-size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag));
-
-inline bool str_equal(const char* s, size_t s_len, const char* q, size_t q_len) {
- if (s_len != q_len) return false;
- return memcmp(s, q, q_len) == 0;
-}
-
-// Search the flag table for a named flag
-Flag* Flag::find_flag(const char* name, size_t length, bool allow_locked, bool return_flag) {
- for (Flag* current = &flagTable[0]; current->_name != NULL; current++) {
- if (str_equal(current->_name, current->get_name_length(), name, length)) {
- // Found a matching entry.
- // Don't report notproduct and develop flags in product builds.
- if (current->is_constant_in_binary()) {
- return (return_flag ? current : NULL);
- }
- // Report locked flags only if allowed.
- if (!(current->is_unlocked() || current->is_unlocker())) {
- if (!allow_locked) {
- // disable use of locked flags, e.g. diagnostic, experimental,
- // commercial... until they are explicitly unlocked
- return NULL;
- }
- }
- return current;
- }
- }
- // Flag name is not in the flag table
- return NULL;
-}
-
-// Get or compute the flag name length
-size_t Flag::get_name_length() {
- if (_name_len == 0) {
- _name_len = strlen(_name);
- }
- return _name_len;
-}
-
-Flag* Flag::fuzzy_match(const char* name, size_t length, bool allow_locked) {
- float VMOptionsFuzzyMatchSimilarity = 0.7f;
- Flag* match = NULL;
- float score;
- float max_score = -1;
-
- for (Flag* current = &flagTable[0]; current->_name != NULL; current++) {
- score = StringUtils::similarity(current->_name, strlen(current->_name), name, length);
- if (score > max_score) {
- max_score = score;
- match = current;
- }
- }
-
- if (!(match->is_unlocked() || match->is_unlocker())) {
- if (!allow_locked) {
- return NULL;
- }
- }
-
- if (max_score < VMOptionsFuzzyMatchSimilarity) {
- return NULL;
- }
-
- return match;
-}
-
-// Returns the address of the index'th element
-static Flag* address_of_flag(CommandLineFlagWithType flag) {
- assert((size_t)flag < Flag::numFlags, "bad command line flag index");
- return &Flag::flags[flag];
-}
-
-bool CommandLineFlagsEx::is_default(CommandLineFlag flag) {
- assert((size_t)flag < Flag::numFlags, "bad command line flag index");
- Flag* f = &Flag::flags[flag];
- return f->is_default();
-}
-
-bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) {
- assert((size_t)flag < Flag::numFlags, "bad command line flag index");
- Flag* f = &Flag::flags[flag];
- return f->is_ergonomic();
-}
-
-bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) {
- assert((size_t)flag < Flag::numFlags, "bad command line flag index");
- Flag* f = &Flag::flags[flag];
- return f->is_command_line();
-}
-
-bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) {
- Flag* result = Flag::find_flag((char*)name, strlen(name));
- if (result == NULL) return false;
- *value = result->is_command_line();
- return true;
-}
-
-void CommandLineFlagsEx::setOnCmdLine(CommandLineFlagWithType flag) {
- Flag* faddr = address_of_flag(flag);
- assert(faddr != NULL, "Unknown flag");
- faddr->set_command_line();
-}
-
-template<class E, class T>
-static void trace_flag_changed(const char* name, const T old_value, const T new_value, const Flag::Flags origin) {
- E e;
- e.set_name(name);
- e.set_oldValue(old_value);
- e.set_newValue(new_value);
- e.set_origin(origin);
- e.commit();
-}
-
-static Flag::Error apply_constraint_and_check_range_bool(const char* name, bool new_value, bool verbose) {
- Flag::Error status = Flag::SUCCESS;
- CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
- if (constraint != NULL) {
- status = constraint->apply_bool(new_value, verbose);
- }
- return status;
-}
-
-Flag::Error CommandLineFlags::boolAt(const char* name, size_t len, bool* value, bool allow_locked, bool return_flag) {
- Flag* result = Flag::find_flag(name, len, allow_locked, return_flag);
- if (result == NULL) return Flag::INVALID_FLAG;
- if (!result->is_bool()) return Flag::WRONG_FORMAT;
- *value = result->get_bool();
- return Flag::SUCCESS;
-}
-
-Flag::Error CommandLineFlags::boolAtPut(Flag* flag, bool* value, Flag::Flags origin) {
- const char* name;
- if (flag == NULL) return Flag::INVALID_FLAG;
- if (!flag->is_bool()) return Flag::WRONG_FORMAT;
- name = flag->_name;
- Flag::Error check = apply_constraint_and_check_range_bool(name, *value, !CommandLineFlagConstraintList::validated_after_ergo());
- if (check != Flag::SUCCESS) return check;
- bool old_value = flag->get_bool();
- trace_flag_changed<EventBooleanFlagChanged, bool>(name, old_value, *value, origin);
- check = flag->set_bool(*value);
- *value = old_value;
- flag->set_origin(origin);
- return check;
-}
-
-Flag::Error CommandLineFlags::boolAtPut(const char* name, size_t len, bool* value, Flag::Flags origin) {
- Flag* result = Flag::find_flag(name, len);
- return boolAtPut(result, value, origin);
-}
-
-Flag::Error CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, Flag::Flags origin) {
- Flag* faddr = address_of_flag(flag);
- guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type");
- return CommandLineFlags::boolAtPut(faddr, &value, origin);
-}
-
-static Flag::Error apply_constraint_and_check_range_int(const char* name, int new_value, bool verbose) {
- Flag::Error status = Flag::SUCCESS;
- CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
- if (range != NULL) {
- status = range->check_int(new_value, verbose);
- }
- if (status == Flag::SUCCESS) {
- CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
- if (constraint != NULL) {
- status = constraint->apply_int(new_value, verbose);
- }
- }
- return status;
-}
-
-Flag::Error CommandLineFlags::intAt(const char* name, size_t len, int* value, bool allow_locked, bool return_flag) {
- Flag* result = Flag::find_flag(name, len, allow_locked, return_flag);
- if (result == NULL) return Flag::INVALID_FLAG;
- if (!result->is_int()) return Flag::WRONG_FORMAT;
- *value = result->get_int();
- return Flag::SUCCESS;
-}
-
-Flag::Error CommandLineFlags::intAtPut(Flag* flag, int* value, Flag::Flags origin) {
- const char* name;
- if (flag == NULL) return Flag::INVALID_FLAG;
- if (!flag->is_int()) return Flag::WRONG_FORMAT;
- name = flag->_name;
- Flag::Error check = apply_constraint_and_check_range_int(name, *value, !CommandLineFlagConstraintList::validated_after_ergo());
- if (check != Flag::SUCCESS) return check;
- int old_value = flag->get_int();
- trace_flag_changed<EventIntFlagChanged, s4>(name, old_value, *value, origin);
- check = flag->set_int(*value);
- *value = old_value;
- flag->set_origin(origin);
- return check;
-}
-
-Flag::Error CommandLineFlags::intAtPut(const char* name, size_t len, int* value, Flag::Flags origin) {
- Flag* result = Flag::find_flag(name, len);
- return intAtPut(result, value, origin);
-}
-
-Flag::Error CommandLineFlagsEx::intAtPut(CommandLineFlagWithType flag, int value, Flag::Flags origin) {
- Flag* faddr = address_of_flag(flag);
- guarantee(faddr != NULL && faddr->is_int(), "wrong flag type");
- return CommandLineFlags::intAtPut(faddr, &value, origin);
-}
-
-static Flag::Error apply_constraint_and_check_range_uint(const char* name, uint new_value, bool verbose) {
- Flag::Error status = Flag::SUCCESS;
- CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
- if (range != NULL) {
- status = range->check_uint(new_value, verbose);
- }
- if (status == Flag::SUCCESS) {
- CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
- if (constraint != NULL) {
- status = constraint->apply_uint(new_value, verbose);
- }
- }
- return status;
-}
-
-Flag::Error CommandLineFlags::uintAt(const char* name, size_t len, uint* value, bool allow_locked, bool return_flag) {
- Flag* result = Flag::find_flag(name, len, allow_locked, return_flag);
- if (result == NULL) return Flag::INVALID_FLAG;
- if (!result->is_uint()) return Flag::WRONG_FORMAT;
- *value = result->get_uint();
- return Flag::SUCCESS;
-}
-
-Flag::Error CommandLineFlags::uintAtPut(Flag* flag, uint* value, Flag::Flags origin) {
- const char* name;
- if (flag == NULL) return Flag::INVALID_FLAG;
- if (!flag->is_uint()) return Flag::WRONG_FORMAT;
- name = flag->_name;
- Flag::Error check = apply_constraint_and_check_range_uint(name, *value, !CommandLineFlagConstraintList::validated_after_ergo());
- if (check != Flag::SUCCESS) return check;
- uint old_value = flag->get_uint();
- trace_flag_changed<EventUnsignedIntFlagChanged, u4>(name, old_value, *value, origin);
- check = flag->set_uint(*value);
- *value = old_value;
- flag->set_origin(origin);
- return check;
-}
-
-Flag::Error CommandLineFlags::uintAtPut(const char* name, size_t len, uint* value, Flag::Flags origin) {
- Flag* result = Flag::find_flag(name, len);
- return uintAtPut(result, value, origin);
-}
-
-Flag::Error CommandLineFlagsEx::uintAtPut(CommandLineFlagWithType flag, uint value, Flag::Flags origin) {
- Flag* faddr = address_of_flag(flag);
- guarantee(faddr != NULL && faddr->is_uint(), "wrong flag type");
- return CommandLineFlags::uintAtPut(faddr, &value, origin);
-}
-
-Flag::Error CommandLineFlags::intxAt(const char* name, size_t len, intx* value, bool allow_locked, bool return_flag) {
- Flag* result = Flag::find_flag(name, len, allow_locked, return_flag);
- if (result == NULL) return Flag::INVALID_FLAG;
- if (!result->is_intx()) return Flag::WRONG_FORMAT;
- *value = result->get_intx();
- return Flag::SUCCESS;
-}
-
-static Flag::Error apply_constraint_and_check_range_intx(const char* name, intx new_value, bool verbose) {
- Flag::Error status = Flag::SUCCESS;
- CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
- if (range != NULL) {
- status = range->check_intx(new_value, verbose);
- }
- if (status == Flag::SUCCESS) {
- CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
- if (constraint != NULL) {
- status = constraint->apply_intx(new_value, verbose);
- }
- }
- return status;
-}
-
-Flag::Error CommandLineFlags::intxAtPut(Flag* flag, intx* value, Flag::Flags origin) {
- const char* name;
- if (flag == NULL) return Flag::INVALID_FLAG;
- if (!flag->is_intx()) return Flag::WRONG_FORMAT;
- name = flag->_name;
- Flag::Error check = apply_constraint_and_check_range_intx(name, *value, !CommandLineFlagConstraintList::validated_after_ergo());
- if (check != Flag::SUCCESS) return check;
- intx old_value = flag->get_intx();
- trace_flag_changed<EventLongFlagChanged, intx>(name, old_value, *value, origin);
- check = flag->set_intx(*value);
- *value = old_value;
- flag->set_origin(origin);
- return check;
-}
-
-Flag::Error CommandLineFlags::intxAtPut(const char* name, size_t len, intx* value, Flag::Flags origin) {
- Flag* result = Flag::find_flag(name, len);
- return intxAtPut(result, value, origin);
-}
-
-Flag::Error CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, Flag::Flags origin) {
- Flag* faddr = address_of_flag(flag);
- guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type");
- return CommandLineFlags::intxAtPut(faddr, &value, origin);
-}
-
-Flag::Error CommandLineFlags::uintxAt(const char* name, size_t len, uintx* value, bool allow_locked, bool return_flag) {
- Flag* result = Flag::find_flag(name, len, allow_locked, return_flag);
- if (result == NULL) return Flag::INVALID_FLAG;
- if (!result->is_uintx()) return Flag::WRONG_FORMAT;
- *value = result->get_uintx();
- return Flag::SUCCESS;
-}
-
-static Flag::Error apply_constraint_and_check_range_uintx(const char* name, uintx new_value, bool verbose) {
- Flag::Error status = Flag::SUCCESS;
- CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
- if (range != NULL) {
- status = range->check_uintx(new_value, verbose);
- }
- if (status == Flag::SUCCESS) {
- CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
- if (constraint != NULL) {
- status = constraint->apply_uintx(new_value, verbose);
- }
- }
- return status;
-}
-
-Flag::Error CommandLineFlags::uintxAtPut(Flag* flag, uintx* value, Flag::Flags origin) {
- const char* name;
- if (flag == NULL) return Flag::INVALID_FLAG;
- if (!flag->is_uintx()) return Flag::WRONG_FORMAT;
- name = flag->_name;
- Flag::Error check = apply_constraint_and_check_range_uintx(name, *value, !CommandLineFlagConstraintList::validated_after_ergo());
- if (check != Flag::SUCCESS) return check;
- uintx old_value = flag->get_uintx();
- trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin);
- check = flag->set_uintx(*value);
- *value = old_value;
- flag->set_origin(origin);
- return check;
-}
-
-Flag::Error CommandLineFlags::uintxAtPut(const char* name, size_t len, uintx* value, Flag::Flags origin) {
- Flag* result = Flag::find_flag(name, len);
- return uintxAtPut(result, value, origin);
-}
-
-Flag::Error CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, Flag::Flags origin) {
- Flag* faddr = address_of_flag(flag);
- guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type");
- return CommandLineFlags::uintxAtPut(faddr, &value, origin);
-}
-
-Flag::Error CommandLineFlags::uint64_tAt(const char* name, size_t len, uint64_t* value, bool allow_locked, bool return_flag) {
- Flag* result = Flag::find_flag(name, len, allow_locked, return_flag);
- if (result == NULL) return Flag::INVALID_FLAG;
- if (!result->is_uint64_t()) return Flag::WRONG_FORMAT;
- *value = result->get_uint64_t();
- return Flag::SUCCESS;
-}
-
-static Flag::Error apply_constraint_and_check_range_uint64_t(const char* name, uint64_t new_value, bool verbose) {
- Flag::Error status = Flag::SUCCESS;
- CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
- if (range != NULL) {
- status = range->check_uint64_t(new_value, verbose);
- }
- if (status == Flag::SUCCESS) {
- CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
- if (constraint != NULL) {
- status = constraint->apply_uint64_t(new_value, verbose);
- }
- }
- return status;
-}
-
-Flag::Error CommandLineFlags::uint64_tAtPut(Flag* flag, uint64_t* value, Flag::Flags origin) {
- const char* name;
- if (flag == NULL) return Flag::INVALID_FLAG;
- if (!flag->is_uint64_t()) return Flag::WRONG_FORMAT;
- name = flag->_name;
- 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 = flag->get_uint64_t();
- trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin);
- check = flag->set_uint64_t(*value);
- *value = old_value;
- flag->set_origin(origin);
- return check;
-}
-
-Flag::Error CommandLineFlags::uint64_tAtPut(const char* name, size_t len, uint64_t* value, Flag::Flags origin) {
- Flag* result = Flag::find_flag(name, len);
- return uint64_tAtPut(result, value, origin);
-}
-
-Flag::Error CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, Flag::Flags origin) {
- Flag* faddr = address_of_flag(flag);
- guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type");
- return CommandLineFlags::uint64_tAtPut(faddr, &value, origin);
-}
-
-Flag::Error CommandLineFlags::size_tAt(const char* name, size_t len, size_t* value, bool allow_locked, bool return_flag) {
- Flag* result = Flag::find_flag(name, len, allow_locked, return_flag);
- if (result == NULL) return Flag::INVALID_FLAG;
- if (!result->is_size_t()) return Flag::WRONG_FORMAT;
- *value = result->get_size_t();
- return Flag::SUCCESS;
-}
-
-static Flag::Error apply_constraint_and_check_range_size_t(const char* name, size_t new_value, bool verbose) {
- Flag::Error status = Flag::SUCCESS;
- CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
- if (range != NULL) {
- status = range->check_size_t(new_value, verbose);
- }
- if (status == Flag::SUCCESS) {
- CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
- if (constraint != NULL) {
- status = constraint->apply_size_t(new_value, verbose);
- }
- }
- return status;
-}
-
-
-Flag::Error CommandLineFlags::size_tAtPut(Flag* flag, size_t* value, Flag::Flags origin) {
- const char* name;
- if (flag == NULL) return Flag::INVALID_FLAG;
- if (!flag->is_size_t()) return Flag::WRONG_FORMAT;
- name = flag->_name;
- 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 = flag->get_size_t();
- trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin);
- check = flag->set_size_t(*value);
- *value = old_value;
- flag->set_origin(origin);
- return check;
-}
-
-Flag::Error CommandLineFlags::size_tAtPut(const char* name, size_t len, size_t* value, Flag::Flags origin) {
- Flag* result = Flag::find_flag(name, len);
- return size_tAtPut(result, value, origin);
-}
-
-Flag::Error CommandLineFlagsEx::size_tAtPut(CommandLineFlagWithType flag, size_t value, Flag::Flags origin) {
- Flag* faddr = address_of_flag(flag);
- guarantee(faddr != NULL && faddr->is_size_t(), "wrong flag type");
- return CommandLineFlags::size_tAtPut(faddr, &value, origin);
-}
-
-Flag::Error CommandLineFlags::doubleAt(const char* name, size_t len, double* value, bool allow_locked, bool return_flag) {
- Flag* result = Flag::find_flag(name, len, allow_locked, return_flag);
- if (result == NULL) return Flag::INVALID_FLAG;
- if (!result->is_double()) return Flag::WRONG_FORMAT;
- *value = result->get_double();
- return Flag::SUCCESS;
-}
-
-static Flag::Error apply_constraint_and_check_range_double(const char* name, double new_value, bool verbose) {
- Flag::Error status = Flag::SUCCESS;
- CommandLineFlagRange* range = CommandLineFlagRangeList::find(name);
- if (range != NULL) {
- status = range->check_double(new_value, verbose);
- }
- if (status == Flag::SUCCESS) {
- CommandLineFlagConstraint* constraint = CommandLineFlagConstraintList::find_if_needs_check(name);
- if (constraint != NULL) {
- status = constraint->apply_double(new_value, verbose);
- }
- }
- return status;
-}
-
-Flag::Error CommandLineFlags::doubleAtPut(Flag* flag, double* value, Flag::Flags origin) {
- const char* name;
- if (flag == NULL) return Flag::INVALID_FLAG;
- if (!flag->is_double()) return Flag::WRONG_FORMAT;
- name = flag->_name;
- Flag::Error check = apply_constraint_and_check_range_double(name, *value, !CommandLineFlagConstraintList::validated_after_ergo());
- if (check != Flag::SUCCESS) return check;
- double old_value = flag->get_double();
- trace_flag_changed<EventDoubleFlagChanged, double>(name, old_value, *value, origin);
- check = flag->set_double(*value);
- *value = old_value;
- flag->set_origin(origin);
- return check;
-}
-
-Flag::Error CommandLineFlags::doubleAtPut(const char* name, size_t len, double* value, Flag::Flags origin) {
- Flag* result = Flag::find_flag(name, len);
- return doubleAtPut(result, value, origin);
-}
-
-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");
- return CommandLineFlags::doubleAtPut(faddr, &value, origin);
-}
-
-Flag::Error CommandLineFlags::ccstrAt(const char* name, size_t len, ccstr* value, bool allow_locked, bool return_flag) {
- Flag* result = Flag::find_flag(name, len, allow_locked, return_flag);
- if (result == NULL) return Flag::INVALID_FLAG;
- if (!result->is_ccstr()) return Flag::WRONG_FORMAT;
- *value = result->get_ccstr();
- return Flag::SUCCESS;
-}
-
-Flag::Error CommandLineFlags::ccstrAtPut(const char* name, size_t len, ccstr* value, Flag::Flags origin) {
- Flag* result = Flag::find_flag(name, len);
- if (result == NULL) return Flag::INVALID_FLAG;
- if (!result->is_ccstr()) return Flag::WRONG_FORMAT;
- ccstr old_value = result->get_ccstr();
- trace_flag_changed<EventStringFlagChanged, const char*>(name, old_value, *value, origin);
- char* new_value = NULL;
- if (*value != NULL) {
- new_value = os::strdup_check_oom(*value);
- }
- Flag::Error check = result->set_ccstr(new_value);
- if (result->is_default() && old_value != NULL) {
- // Prior value is NOT heap allocated, but was a literal constant.
- old_value = os::strdup_check_oom(old_value);
- }
- *value = old_value;
- result->set_origin(origin);
- return check;
-}
-
-Flag::Error CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, Flag::Flags origin) {
- Flag* faddr = address_of_flag(flag);
- guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type");
- ccstr old_value = faddr->get_ccstr();
- trace_flag_changed<EventStringFlagChanged, const char*>(faddr->_name, old_value, value, origin);
- char* new_value = os::strdup_check_oom(value);
- Flag::Error check = faddr->set_ccstr(new_value);
- if (!faddr->is_default() && old_value != NULL) {
- // Prior value is heap allocated so free it.
- FREE_C_HEAP_ARRAY(char, old_value);
- }
- faddr->set_origin(origin);
- return check;
-}
-
-extern "C" {
- static int compare_flags(const void* void_a, const void* void_b) {
- return strcmp((*((Flag**) void_a))->_name, (*((Flag**) void_b))->_name);
- }
-}
-
-void CommandLineFlags::printSetFlags(outputStream* out) {
- // Print which flags were set on the command line
- // note: this method is called before the thread structure is in place
- // which means resource allocation cannot be used.
-
- // The last entry is the null entry.
- const size_t length = Flag::numFlags - 1;
-
- // Sort
- Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtArguments);
- for (size_t i = 0; i < length; i++) {
- array[i] = &flagTable[i];
- }
- qsort(array, length, sizeof(Flag*), compare_flags);
-
- // Print
- for (size_t i = 0; i < length; i++) {
- if (array[i]->get_origin() /* naked field! */) {
- array[i]->print_as_flag(out);
- out->print(" ");
- }
- }
- out->cr();
- FREE_C_HEAP_ARRAY(Flag*, array);
-}
-
-#ifndef PRODUCT
-
-void CommandLineFlags::verify() {
- assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict");
-}
-
-#endif // PRODUCT
-
-void CommandLineFlags::printFlags(outputStream* out, bool withComments, bool printRanges) {
- // Print the flags sorted by name
- // note: this method is called before the thread structure is in place
- // which means resource allocation cannot be used.
-
- // The last entry is the null entry.
- const size_t length = Flag::numFlags - 1;
-
- // Sort
- Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtArguments);
- for (size_t i = 0; i < length; i++) {
- array[i] = &flagTable[i];
- }
- qsort(array, length, sizeof(Flag*), compare_flags);
-
- // Print
- if (!printRanges) {
- out->print_cr("[Global flags]");
- } else {
- out->print_cr("[Global flags ranges]");
- }
-
- for (size_t i = 0; i < length; i++) {
- if (array[i]->is_unlocked()) {
- array[i]->print_on(out, withComments, printRanges);
- }
- }
- FREE_C_HEAP_ARRAY(Flag*, array);
-}