--- old/src/hotspot/share/runtime/globals.cpp 2018-04-05 12:03:27.000000000 -0500 +++ new/src/hotspot/share/runtime/globals.cpp 2018-04-05 12:03:27.000000000 -0500 @@ -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" @@ -88,1487 +88,3 @@ 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 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[] = { - RUNTIME_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_ALL_GCS - G1_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, \ - IGNORE_RANGE, \ - IGNORE_CONSTRAINT, \ - IGNORE_WRITEABLE) -#endif // INCLUDE_ALL_GCS -#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 -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(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(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(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(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(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(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(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(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(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(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); -}