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src/hotspot/share/runtime/vm_version.cpp
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@@ -23,379 +23,18 @@
*/
#include "precompiled.hpp"
#include "logging/log.hpp"
#include "logging/logStream.hpp"
-#include "memory/universe.hpp"
-#include "oops/oop.inline.hpp"
-#include "runtime/arguments.hpp"
+#include "memory/resourceArea.hpp"
#include "runtime/vm_version.hpp"
-const char* Abstract_VM_Version::_s_vm_release = Abstract_VM_Version::vm_release();
-const char* Abstract_VM_Version::_s_internal_vm_info_string = Abstract_VM_Version::internal_vm_info_string();
-
-uint64_t Abstract_VM_Version::_features = 0;
-const char* Abstract_VM_Version::_features_string = "";
-
-bool Abstract_VM_Version::_supports_cx8 = false;
-bool Abstract_VM_Version::_supports_atomic_getset4 = false;
-bool Abstract_VM_Version::_supports_atomic_getset8 = false;
-bool Abstract_VM_Version::_supports_atomic_getadd4 = false;
-bool Abstract_VM_Version::_supports_atomic_getadd8 = false;
-unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U;
-unsigned int Abstract_VM_Version::_L1_data_cache_line_size = 0;
-
-VirtualizationType Abstract_VM_Version::_detected_virtualization = NoDetectedVirtualization;
-
-#ifndef HOTSPOT_VERSION_STRING
- #error HOTSPOT_VERSION_STRING must be defined
-#endif
-
-#ifndef VERSION_FEATURE
- #error VERSION_FEATURE must be defined
-#endif
-#ifndef VERSION_INTERIM
- #error VERSION_INTERIM must be defined
-#endif
-#ifndef VERSION_UPDATE
- #error VERSION_UPDATE must be defined
-#endif
-#ifndef VERSION_PATCH
- #error VERSION_PATCH must be defined
-#endif
-#ifndef VERSION_BUILD
- #error VERSION_BUILD must be defined
-#endif
-
-#ifndef VERSION_STRING
- #error VERSION_STRING must be defined
-#endif
-
-#ifndef DEBUG_LEVEL
- #error DEBUG_LEVEL must be defined
-#endif
-
-#define VM_RELEASE HOTSPOT_VERSION_STRING
-
-// HOTSPOT_VERSION_STRING equals the JDK VERSION_STRING (unless overridden
-// in a standalone build).
-int Abstract_VM_Version::_vm_major_version = VERSION_FEATURE;
-int Abstract_VM_Version::_vm_minor_version = VERSION_INTERIM;
-int Abstract_VM_Version::_vm_security_version = VERSION_UPDATE;
-int Abstract_VM_Version::_vm_patch_version = VERSION_PATCH;
-int Abstract_VM_Version::_vm_build_number = VERSION_BUILD;
-unsigned int Abstract_VM_Version::_parallel_worker_threads = 0;
-bool Abstract_VM_Version::_parallel_worker_threads_initialized = false;
-
-#if defined(_LP64)
- #define VMLP "64-Bit "
-#else
- #define VMLP ""
-#endif
-
-#ifndef VMTYPE
- #ifdef TIERED
- #define VMTYPE "Server"
- #else // TIERED
- #ifdef ZERO
- #define VMTYPE "Zero"
- #else // ZERO
- #define VMTYPE COMPILER1_PRESENT("Client") \
- COMPILER2_PRESENT("Server")
- #endif // ZERO
- #endif // TIERED
-#endif
-
-#ifndef HOTSPOT_VM_DISTRO
- #error HOTSPOT_VM_DISTRO must be defined
-#endif
-#define VMNAME HOTSPOT_VM_DISTRO " " VMLP VMTYPE " VM"
-
-const char* Abstract_VM_Version::vm_name() {
- return VMNAME;
-}
-
-
-const char* Abstract_VM_Version::vm_vendor() {
-#ifdef VENDOR
- return VENDOR;
-#else
- return "Oracle Corporation";
-#endif
-}
-
-
-const char* Abstract_VM_Version::vm_info_string() {
- switch (Arguments::mode()) {
- case Arguments::_int:
- return UseSharedSpaces ? "interpreted mode, sharing" : "interpreted mode";
- case Arguments::_mixed:
- if (UseSharedSpaces) {
- if (UseAOT) {
- return "mixed mode, aot, sharing";
-#ifdef TIERED
- } else if(is_client_compilation_mode_vm()) {
- return "mixed mode, emulated-client, sharing";
-#endif
- } else {
- return "mixed mode, sharing";
- }
- } else {
- if (UseAOT) {
- return "mixed mode, aot";
-#ifdef TIERED
- } else if(is_client_compilation_mode_vm()) {
- return "mixed mode, emulated-client";
-#endif
- } else {
- return "mixed mode";
- }
- }
- case Arguments::_comp:
-#ifdef TIERED
- if (is_client_compilation_mode_vm()) {
- return UseSharedSpaces ? "compiled mode, emulated-client, sharing" : "compiled mode, emulated-client";
- }
-#endif
- return UseSharedSpaces ? "compiled mode, sharing" : "compiled mode";
- };
- ShouldNotReachHere();
- return "";
-}
-
-// NOTE: do *not* use stringStream. this function is called by
-// fatal error handler. if the crash is in native thread,
-// stringStream cannot get resource allocated and will SEGV.
-const char* Abstract_VM_Version::vm_release() {
- return VM_RELEASE;
-}
-
-// NOTE: do *not* use stringStream. this function is called by
-// fatal error handlers. if the crash is in native thread,
-// stringStream cannot get resource allocated and will SEGV.
-const char* Abstract_VM_Version::jre_release_version() {
- return VERSION_STRING;
-}
-
-#define OS LINUX_ONLY("linux") \
- WINDOWS_ONLY("windows") \
- SOLARIS_ONLY("solaris") \
- AIX_ONLY("aix") \
- BSD_ONLY("bsd")
-
-#ifndef CPU
-#ifdef ZERO
-#define CPU ZERO_LIBARCH
-#elif defined(PPC64)
-#if defined(VM_LITTLE_ENDIAN)
-#define CPU "ppc64le"
-#else
-#define CPU "ppc64"
-#endif // PPC64
-#else
-#define CPU AARCH64_ONLY("aarch64") \
- AMD64_ONLY("amd64") \
- IA32_ONLY("x86") \
- IA64_ONLY("ia64") \
- S390_ONLY("s390") \
- SPARC_ONLY("sparc")
-#endif // !ZERO
-#endif // !CPU
-
-const char *Abstract_VM_Version::vm_platform_string() {
- return OS "-" CPU;
-}
-
-const char* Abstract_VM_Version::internal_vm_info_string() {
- #ifndef HOTSPOT_BUILD_USER
- #define HOTSPOT_BUILD_USER unknown
- #endif
-
- #ifndef HOTSPOT_BUILD_COMPILER
- #ifdef _MSC_VER
- #if _MSC_VER == 1600
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 10.0 (VS2010)"
- #elif _MSC_VER == 1700
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 11.0 (VS2012)"
- #elif _MSC_VER == 1800
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 12.0 (VS2013)"
- #elif _MSC_VER == 1900
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 14.0 (VS2015)"
- #elif _MSC_VER == 1911
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 15.3 (VS2017)"
- #elif _MSC_VER == 1912
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 15.5 (VS2017)"
- #elif _MSC_VER == 1913
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 15.6 (VS2017)"
- #elif _MSC_VER == 1914
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 15.7 (VS2017)"
- #elif _MSC_VER == 1915
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 15.8 (VS2017)"
- #elif _MSC_VER == 1916
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 15.9 (VS2017)"
- #elif _MSC_VER == 1920
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 16.0 (VS2019)"
- #elif _MSC_VER == 1921
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 16.1 (VS2019)"
- #elif _MSC_VER == 1922
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 16.2 (VS2019)"
- #elif _MSC_VER == 1923
- #define HOTSPOT_BUILD_COMPILER "MS VC++ 16.3 (VS2019)"
- #else
- #define HOTSPOT_BUILD_COMPILER "unknown MS VC++:" XSTR(_MSC_VER)
- #endif
- #elif defined(__SUNPRO_CC)
- #if __SUNPRO_CC == 0x420
- #define HOTSPOT_BUILD_COMPILER "Workshop 4.2"
- #elif __SUNPRO_CC == 0x500
- #define HOTSPOT_BUILD_COMPILER "Workshop 5.0 compat=" XSTR(__SUNPRO_CC_COMPAT)
- #elif __SUNPRO_CC == 0x520
- #define HOTSPOT_BUILD_COMPILER "Workshop 5.2 compat=" XSTR(__SUNPRO_CC_COMPAT)
- #elif __SUNPRO_CC == 0x580
- #define HOTSPOT_BUILD_COMPILER "Workshop 5.8"
- #elif __SUNPRO_CC == 0x590
- #define HOTSPOT_BUILD_COMPILER "Workshop 5.9"
- #elif __SUNPRO_CC == 0x5100
- #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u1"
- #elif __SUNPRO_CC == 0x5120
- #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u3"
- #elif __SUNPRO_CC == 0x5130
- #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u4"
- #else
- #define HOTSPOT_BUILD_COMPILER "unknown Workshop:" XSTR(__SUNPRO_CC)
- #endif
- #elif defined(__GNUC__)
- #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__
- #elif defined(__IBMCPP__)
- #define HOTSPOT_BUILD_COMPILER "xlC " XSTR(__IBMCPP__)
-
- #else
- #define HOTSPOT_BUILD_COMPILER "unknown compiler"
- #endif
- #endif
-
- #ifndef FLOAT_ARCH
- #if defined(__SOFTFP__)
- #define FLOAT_ARCH_STR "-sflt"
- #else
- #define FLOAT_ARCH_STR ""
- #endif
- #else
- #define FLOAT_ARCH_STR XSTR(FLOAT_ARCH)
- #endif
-
- #define INTERNAL_VERSION_SUFFIX VM_RELEASE ")" \
- " for " OS "-" CPU FLOAT_ARCH_STR \
- " JRE (" VERSION_STRING "), built on " __DATE__ " " __TIME__ \
- " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER
-
- return strcmp(DEBUG_LEVEL, "release") == 0
- ? VMNAME " (" INTERNAL_VERSION_SUFFIX
- : VMNAME " (" DEBUG_LEVEL " " INTERNAL_VERSION_SUFFIX;
-}
-
-const char *Abstract_VM_Version::vm_build_user() {
- return HOTSPOT_BUILD_USER;
-}
-
-const char *Abstract_VM_Version::jdk_debug_level() {
- return DEBUG_LEVEL;
-}
-
-const char *Abstract_VM_Version::printable_jdk_debug_level() {
- // Debug level is not printed for "release" builds
- return strcmp(DEBUG_LEVEL, "release") == 0 ? "" : DEBUG_LEVEL " ";
-}
-
-unsigned int Abstract_VM_Version::jvm_version() {
- return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) |
- ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) |
- ((Abstract_VM_Version::vm_security_version() & 0xFF) << 8) |
- (Abstract_VM_Version::vm_build_number() & 0xFF);
-}
-
void VM_Version_init() {
VM_Version::initialize();
if (log_is_enabled(Info, os, cpu)) {
char buf[1024];
ResourceMark rm;
LogStream ls(Log(os, cpu)::info());
os::print_cpu_info(&ls, buf, sizeof(buf));
}
}
-
-bool Abstract_VM_Version::print_matching_lines_from_file(const char* filename, outputStream* st, const char* keywords_to_match[]) {
- char line[500];
- FILE* fp = fopen(filename, "r");
- if (fp == NULL) {
- return false;
- }
-
- st->print_cr("Virtualization information:");
- while (fgets(line, sizeof(line), fp) != NULL) {
- int i = 0;
- while (keywords_to_match[i] != NULL) {
- if (strncmp(line, keywords_to_match[i], strlen(keywords_to_match[i])) == 0) {
- st->print("%s", line);
- break;
- }
- i++;
- }
- }
- fclose(fp);
- return true;
-}
-
-
-
-unsigned int Abstract_VM_Version::nof_parallel_worker_threads(
- unsigned int num,
- unsigned int den,
- unsigned int switch_pt) {
- if (FLAG_IS_DEFAULT(ParallelGCThreads)) {
- assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0");
- unsigned int threads;
- // For very large machines, there are diminishing returns
- // for large numbers of worker threads. Instead of
- // hogging the whole system, use a fraction of the workers for every
- // processor after the first 8. For example, on a 72 cpu machine
- // and a chosen fraction of 5/8
- // use 8 + (72 - 8) * (5/8) == 48 worker threads.
- unsigned int ncpus = (unsigned int) os::initial_active_processor_count();
- threads = (ncpus <= switch_pt) ?
- ncpus :
- (switch_pt + ((ncpus - switch_pt) * num) / den);
-#ifndef _LP64
- // On 32-bit binaries the virtual address space available to the JVM
- // is usually limited to 2-3 GB (depends on the platform).
- // Do not use up address space with too many threads (stacks and per-thread
- // data). Note that x86 apps running on Win64 have 2 stacks per thread.
- // GC may more generally scale down threads by max heap size (etc), but the
- // consequences of over-provisioning threads are higher on 32-bit JVMS,
- // so add hard limit here:
- threads = MIN2(threads, (2*switch_pt));
-#endif
- return threads;
- } else {
- return ParallelGCThreads;
- }
-}
-
-unsigned int Abstract_VM_Version::calc_parallel_worker_threads() {
- return nof_parallel_worker_threads(5, 8, 8);
-}
-
-
-// Does not set the _initialized flag since it is
-// a global flag.
-unsigned int Abstract_VM_Version::parallel_worker_threads() {
- if (!_parallel_worker_threads_initialized) {
- if (FLAG_IS_DEFAULT(ParallelGCThreads)) {
- _parallel_worker_threads = VM_Version::calc_parallel_worker_threads();
- } else {
- _parallel_worker_threads = ParallelGCThreads;
- }
- _parallel_worker_threads_initialized = true;
- }
- return _parallel_worker_threads;
-}
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