Merge branch 'upstream-master'

.jcheck/conf

@@ -1,7 +1,7 @@
 [general]
 project=jdk
 jbs=JDK
-version=24
+version=25
 
 [checks]
 error=author,committer,reviewers,merge,issues,executable,symlink,message,hg-tag,whitespace,problemlists

doc/building.html

@@ -863,12 +863,12 @@ <h3 id="gnu-bash">GNU Bash</h3>
 are supported.</p>
 <p>At least version 3.2 of GNU Bash must be used.</p>
 <h3 id="graphviz-and-pandoc">Graphviz and Pandoc</h3>
-<p>In order to build the full docs (see the
+<p>In order to build man pages and the full docs (see the
 <code>--enable-full-docs</code> configure option) <a
-href="https://www.graphviz.org">Graphviz</a> and <a
-href="https://pandoc.org">Pandoc</a> are required. Any recent versions
-should work. For reference, and subject to change, Oracle builds use
-Graphviz 9.0.0 and Pandoc 2.19.2.</p>
+href="https://pandoc.org">Pandoc</a> is required. For full docs also <a
+href="https://www.graphviz.org">Graphviz</a> is required. Any recent
+versions should work. For reference, and subject to change, Oracle
+builds use Graphviz 9.0.0 and Pandoc 2.19.2.</p>
 <h2 id="running-configure">Running Configure</h2>
 <p>To build the JDK, you need a "configuration", which consists of a
 directory where to store the build output, coupled with information

doc/building.md

@@ -680,9 +680,9 @@ At least version 3.2 of GNU Bash must be used.
 
 ### Graphviz and Pandoc
 
-In order to build the full docs (see the `--enable-full-docs`
-configure option) [Graphviz](https://www.graphviz.org) and
-[Pandoc](https://pandoc.org) are required. Any recent versions should
+In order to build man pages and the full docs (see the `--enable-full-docs`
+configure option) [Pandoc](https://pandoc.org) is required. For full docs also
+[Graphviz](https://www.graphviz.org) is required. Any recent versions should
 work. For reference, and subject to change, Oracle builds use Graphviz
 9.0.0 and Pandoc 2.19.2.
 

make/Images.gmk

@@ -29,6 +29,7 @@ include $(SPEC)
 include MakeBase.gmk
 
 include CopyFiles.gmk
+include DebugInfoUtils.gmk
 include Execute.gmk
 include Modules.gmk
 include Utils.gmk

make/StaticLibs.gmk

@@ -29,6 +29,7 @@ include $(SPEC)
 include MakeBase.gmk
 
 include CopyFiles.gmk
+include DebugInfoUtils.gmk
 include Modules.gmk
 include modules/LauncherCommon.gmk
 

make/autoconf/boot-jdk.m4

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2023, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2024, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -470,7 +470,7 @@ AC_DEFUN_ONCE([BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS],
   # Maximum amount of heap memory.
   JVM_HEAP_LIMIT_32="768"
   # Running a 64 bit JVM allows for and requires a bigger heap
-  JVM_HEAP_LIMIT_64="1600"
+  JVM_HEAP_LIMIT_64="2048"
   JVM_HEAP_LIMIT_GLOBAL=`expr $MEMORY_SIZE / 2`
   if test "$JVM_HEAP_LIMIT_GLOBAL" -lt "$JVM_HEAP_LIMIT_32"; then
     JVM_HEAP_LIMIT_32=$JVM_HEAP_LIMIT_GLOBAL

make/autoconf/flags-cflags.m4

@@ -302,7 +302,7 @@ AC_DEFUN([FLAGS_SETUP_QUALITY_CHECKS],
 
 AC_DEFUN([FLAGS_SETUP_OPTIMIZATION],
 [
-  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+  if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
     C_O_FLAG_HIGHEST_JVM="-O3"
     C_O_FLAG_HIGHEST="-O3"
     C_O_FLAG_HI="-O3"
@@ -311,6 +311,13 @@ AC_DEFUN([FLAGS_SETUP_OPTIMIZATION],
     C_O_FLAG_DEBUG="-O0"
     C_O_FLAG_DEBUG_JVM="-O0"
     C_O_FLAG_NONE="-O0"
+
+    if test "x$TOOLCHAIN_TYPE" = xclang && test "x$OPENJDK_TARGET_OS" = xaix; then
+      C_O_FLAG_HIGHEST_JVM="${C_O_FLAG_HIGHEST_JVM} -finline-functions"
+      C_O_FLAG_HIGHEST="${C_O_FLAG_HIGHEST} -finline-functions"
+      C_O_FLAG_HI="${C_O_FLAG_HI} -finline-functions"
+    fi
+
     # -D_FORTIFY_SOURCE=2 hardening option needs optimization (at least -O1) enabled
     # set for lower O-levels -U_FORTIFY_SOURCE to overwrite previous settings
     if test "x$OPENJDK_TARGET_OS" = xlinux -a "x$DEBUG_LEVEL" = "xfastdebug"; then
@@ -331,21 +338,6 @@ AC_DEFUN([FLAGS_SETUP_OPTIMIZATION],
       C_O_FLAG_DEBUG_JVM="${C_O_FLAG_DEBUG_JVM} ${DISABLE_FORTIFY_CFLAGS}"
       C_O_FLAG_NONE="${C_O_FLAG_NONE} ${DISABLE_FORTIFY_CFLAGS}"
     fi
-  elif test "x$TOOLCHAIN_TYPE" = xclang; then
-    if test "x$OPENJDK_TARGET_OS" = xaix; then
-      C_O_FLAG_HIGHEST_JVM="-O3 -finline-functions"
-      C_O_FLAG_HIGHEST="-O3 -finline-functions"
-      C_O_FLAG_HI="-O3 -finline-functions"
-    else
-      C_O_FLAG_HIGHEST_JVM="-O3"
-      C_O_FLAG_HIGHEST="-O3"
-      C_O_FLAG_HI="-O3"
-    fi
-    C_O_FLAG_NORM="-O2"
-    C_O_FLAG_DEBUG_JVM="-O0"
-    C_O_FLAG_SIZE="-Os"
-    C_O_FLAG_DEBUG="-O0"
-    C_O_FLAG_NONE="-O0"
   elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
     C_O_FLAG_HIGHEST_JVM="-O2 -Oy-"
     C_O_FLAG_HIGHEST="-O2"

make/autoconf/jdk-options.m4

@@ -121,15 +121,15 @@ AC_DEFUN_ONCE([JDKOPT_SETUP_JDK_OPTIONS],
   if test "x$DOT" != "x"; then
     AC_MSG_RESULT([yes])
   else
-    AC_MSG_RESULT([no, cannot generate full docs])
+    AC_MSG_RESULT([no, cannot generate full docs or man pages])
     FULL_DOCS_AVAILABLE=false
   fi
 
   AC_MSG_CHECKING([for pandoc])
   if test "x$ENABLE_PANDOC" = "xtrue"; then
     AC_MSG_RESULT([yes])
   else
-    AC_MSG_RESULT([no, cannot generate full docs])
+    AC_MSG_RESULT([no, cannot generate full docs or man pages])
     FULL_DOCS_AVAILABLE=false
   fi
 

make/common/DebugInfoUtils.gmk

@@ -0,0 +1,58 @@
+#
+# Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+ifeq ($(_MAKEBASE_GMK), )
+  $(error You must include MakeBase.gmk prior to including DebugInfoUtils.gmk)
+endif
+
+################################################################################
+#
+# Common debuginfo utility functions
+#
+################################################################################
+
+################################################################################
+# Find native debuginfo files in a directory
+#
+# Param 1 - dir to find debuginfo files in
+FindDebuginfoFiles = \
+    $(wildcard $(addprefix $1/*, $(DEBUGINFO_SUFFIXES)) \
+        $(addprefix $1/*/*, $(DEBUGINFO_SUFFIXES)) \
+        $(addprefix $1/*/*/*, $(DEBUGINFO_SUFFIXES)))
+
+# Pick the correct debug info files to copy, either zipped or not.
+ifeq ($(ZIP_EXTERNAL_DEBUG_SYMBOLS), true)
+  DEBUGINFO_SUFFIXES += .diz
+else
+  DEBUGINFO_SUFFIXES := .debuginfo .pdb .map
+  # On Macosx, if debug symbols have not been zipped, find all files inside *.dSYM
+  # dirs.
+  ifeq ($(call isTargetOs, macosx), true)
+    $(call FillFindCache, \
+        $(SUPPORT_OUTPUTDIR)/modules_libs $(SUPPORT_OUTPUTDIR)/modules_cmds)
+    FindDebuginfoFiles = \
+        $(if $(wildcard $1), $(call containing, .dSYM/, $(call FindFiles, $1)))
+  endif
+endif

make/common/FileUtils.gmk

@@ -307,26 +307,3 @@ ifeq ($(DISABLE_CACHE_FIND), true)
 else
   FindFiles = $(CacheFindFiles)
 endif
-
-# Find native debuginfo files in a directory
-#
-# Param 1 - dir to find debuginfo files in
-FindDebuginfoFiles = \
-    $(wildcard $(addprefix $1/*, $(DEBUGINFO_SUFFIXES)) \
-        $(addprefix $1/*/*, $(DEBUGINFO_SUFFIXES)) \
-        $(addprefix $1/*/*/*, $(DEBUGINFO_SUFFIXES)))
-
-# Pick the correct debug info files to copy, either zipped or not.
-ifeq ($(ZIP_EXTERNAL_DEBUG_SYMBOLS), true)
-  DEBUGINFO_SUFFIXES += .diz
-else
-  DEBUGINFO_SUFFIXES := .debuginfo .pdb .map
-  # On Macosx, if debug symbols have not been zipped, find all files inside *.dSYM
-  # dirs.
-  ifeq ($(call isTargetOs, macosx), true)
-    $(call FillFindCache, \
-        $(SUPPORT_OUTPUTDIR)/modules_libs $(SUPPORT_OUTPUTDIR)/modules_cmds)
-    FindDebuginfoFiles = \
-        $(if $(wildcard $1), $(call containing, .dSYM/, $(call FindFiles, $1)))
-  endif
-endif

make/common/modules/LauncherCommon.gmk

@@ -192,9 +192,7 @@ ifeq ($(call isTargetOsType, unix)+$(MAKEFILE_PREFIX), true+Launcher)
   MAN_FILES_MD := $(wildcard $(addsuffix /*.md, $(call FindModuleManDirs, $(MODULE))))
 
   ifneq ($(MAN_FILES_MD), )
-    ifeq ($(ENABLE_PANDOC), false)
-      $(info Warning: pandoc not found. Not generating man pages)
-    else
+    ifeq ($(ENABLE_PANDOC), true)
       # Create dynamic man pages from markdown using pandoc. We need
       # PANDOC_TROFF_MANPAGE_FILTER, a wrapper around
       # PANDOC_TROFF_MANPAGE_FILTER_JAVASCRIPT. This is created by buildtools-jdk.

make/conf/version-numbers.conf

@@ -26,17 +26,17 @@
 # Default version, product, and vendor information to use,
 # unless overridden by configure
 
-DEFAULT_VERSION_FEATURE=24
+DEFAULT_VERSION_FEATURE=25
 DEFAULT_VERSION_INTERIM=0
 DEFAULT_VERSION_UPDATE=0
 DEFAULT_VERSION_PATCH=0
 DEFAULT_VERSION_EXTRA1=0
 DEFAULT_VERSION_EXTRA2=0
 DEFAULT_VERSION_EXTRA3=0
-DEFAULT_VERSION_DATE=2025-03-18
-DEFAULT_VERSION_CLASSFILE_MAJOR=68  # "`$EXPR $DEFAULT_VERSION_FEATURE + 44`"
+DEFAULT_VERSION_DATE=2025-09-16
+DEFAULT_VERSION_CLASSFILE_MAJOR=69  # "`$EXPR $DEFAULT_VERSION_FEATURE + 44`"
 DEFAULT_VERSION_CLASSFILE_MINOR=0
 DEFAULT_VERSION_DOCS_API_SINCE=11
-DEFAULT_ACCEPTABLE_BOOT_VERSIONS="23 24"
-DEFAULT_JDK_SOURCE_TARGET_VERSION=24
+DEFAULT_ACCEPTABLE_BOOT_VERSIONS="23 24 25"
+DEFAULT_JDK_SOURCE_TARGET_VERSION=25
 DEFAULT_PROMOTED_VERSION_PRE=ea

make/hotspot/lib/JvmFeatures.gmk

@@ -174,6 +174,12 @@ ifeq ($(call check-jvm-feature, link-time-opt), true)
         -fno-fat-lto-objects
     JVM_LDFLAGS_FEATURES += $(CXX_O_FLAG_HIGHEST_JVM) -flto=auto \
         -fuse-linker-plugin -fno-strict-aliasing
+  else ifeq ($(call isCompiler, clang), true)
+    JVM_CFLAGS_FEATURES += -flto -fno-strict-aliasing
+    ifeq ($(call isBuildOs, aix), true)
+      JVM_CFLAGS_FEATURES += -ffat-lto-objects
+    endif
+    JVM_LDFLAGS_FEATURES += $(CXX_O_FLAG_HIGHEST_JVM) -flto -fno-strict-aliasing
   else ifeq ($(call isCompiler, microsoft), true)
     JVM_CFLAGS_FEATURES += -GL
     JVM_LDFLAGS_FEATURES += -LTCG:INCREMENTAL

make/ide/xcode/hotspot/CreateXcodeProject.gmk

@@ -42,7 +42,7 @@ ifeq ($(call isTargetOs, macosx), true)
   PROJECT_FILE_NAME := hotspot.xcodeproj
 
   COMPILE_COMMAND_FILE := $(OUTPUTDIR)/compile_commands.json
-  LINKER_FLAGS_FILE := $(MAKESUPPORT_OUTPUTDIR)/compile-commands/jvm-ldflags.txt
+  LINKER_FLAGS_FILE := $(MAKESUPPORT_OUTPUTDIR)/compile-commands/LIBRARY_hotspot_variant-server_libjvm_libjvm-ldflags.txt
 
   $(eval $(call SetupJavaCompilation, BUILD_PROJECT_CREATOR, \
       TARGET_RELEASE := $(TARGET_RELEASE_BOOTJDK), \
@@ -60,7 +60,7 @@ ifeq ($(call isTargetOs, macosx), true)
     XCODE_PROJ_DEBUG_OPTION := -d
   endif
 
-  XCODE_PROJ_VARDEPS := $(WORKSPACE_ROOT) $(IDE_OUTPUTDIR) \
+  XCODE_PROJ_VARDEPS := $(TOPDIR) $(IDE_OUTPUTDIR) \
       $(PROJECT_MAKER_DIR)/data $(COMPILE_COMMAND_FILE) $(LINKER_FLAGS_FILE)
   XCODE_PROJ_VARDEPS_FILE := $(call DependOnVariable, XCODE_PROJ_VARDEPS, \
     $(TOOLS_OUTPUTDIR)/xcodeproj.vardeps)
@@ -70,7 +70,7 @@ ifeq ($(call isTargetOs, macosx), true)
       DEPS := $(BUILD_PROJECT_CREATOR) $(COMPILE_COMMAND_FILE) \
           $(LINKER_FLAGS_FILE) $(XCODE_PROJ_VARDEPS_FILE), \
       OUTPUT_DIR := $(TOOLS_OUTPUTDIR), \
-      COMMAND := $(PROJECT_CREATOR_TOOL) $(WORKSPACE_ROOT) $(IDE_OUTPUTDIR) \
+      COMMAND := $(PROJECT_CREATOR_TOOL) $(TOPDIR) $(IDE_OUTPUTDIR) \
           $(PROJECT_MAKER_DIR)/data $(COMPILE_COMMAND_FILE) \
           $(LINKER_FLAGS_FILE) $(XCODE_PROJ_DEBUG_OPTION), \
   ))

src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp

@@ -5305,7 +5305,7 @@ MacroAssembler::KlassDecodeMode MacroAssembler::klass_decode_mode() {
   if (operand_valid_for_logical_immediate(
         /*is32*/false, (uint64_t)CompressedKlassPointers::base())) {
     const size_t range = CompressedKlassPointers::klass_range_end() - CompressedKlassPointers::base();
-    const uint64_t range_mask = right_n_bits(ceil_log2(range));
+    const uint64_t range_mask = right_n_bits(log2i_ceil(range));
     if (((uint64_t)CompressedKlassPointers::base() & range_mask) == 0) {
       return (_klass_decode_mode = KlassDecodeXor);
     }

src/hotspot/cpu/riscv/macroAssembler_riscv.cpp

@@ -785,7 +785,7 @@ void MacroAssembler::emit_static_call_stub() {
 
   // Jump to the entry point of the c2i stub.
   int32_t offset = 0;
-  movptr(t1, 0, offset, t0); // lui + lui + slli + add
+  movptr2(t1, 0, offset, t0); // lui + lui + slli + add
   jr(t1, offset);
 }
 

src/hotspot/os/bsd/gc/z/zPhysicalMemoryBacking_bsd.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2019, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -79,7 +79,7 @@ ZPhysicalMemoryBacking::ZPhysicalMemoryBacking(size_t max_capacity)
     _initialized(false) {
 
   // Reserve address space for backing memory
-  _base = (uintptr_t)os::reserve_memory(max_capacity);
+  _base = (uintptr_t)os::reserve_memory(max_capacity, false, mtJavaHeap);
   if (_base == 0) {
     // Failed
     ZInitialize::error("Failed to reserve address space for backing memory");

src/hotspot/os/linux/os_linux.cpp

@@ -4582,23 +4582,21 @@ static void workaround_expand_exec_shield_cs_limit() {
    */
   char* hint = (char*)(os::Linux::initial_thread_stack_bottom() -
                        (StackOverflow::stack_guard_zone_size() + page_size));
-  char* codebuf = os::attempt_reserve_memory_at(hint, page_size);
+  char* codebuf = os::attempt_reserve_memory_at(hint, page_size, false, mtThread);
 
   if (codebuf == nullptr) {
     // JDK-8197429: There may be a stack gap of one megabyte between
     // the limit of the stack and the nearest memory region: this is a
     // Linux kernel workaround for CVE-2017-1000364.  If we failed to
     // map our codebuf, try again at an address one megabyte lower.
     hint -= 1 * M;
-    codebuf = os::attempt_reserve_memory_at(hint, page_size);
+    codebuf = os::attempt_reserve_memory_at(hint, page_size, false, mtThread);
   }
 
   if ((codebuf == nullptr) || (!os::commit_memory(codebuf, page_size, true))) {
     return; // No matter, we tried, best effort.
   }
 
-  MemTracker::record_virtual_memory_tag((address)codebuf, mtInternal);
-
   log_info(os)("[CS limit NX emulation work-around, exec code at: %p]", codebuf);
 
   // Some code to exec: the 'ret' instruction

src/hotspot/os_cpu/bsd_aarch64/os_bsd_aarch64.cpp

@@ -501,6 +501,7 @@ static inline void atomic_copy64(const volatile void *src, volatile void *dst) {
 }
 
 extern "C" {
+  // needs local assembler label '1:' to avoid trouble when using linktime optimization
   int SpinPause() {
     // We don't use StubRoutines::aarch64::spin_wait stub in order to
     // avoid a costly call to os::current_thread_enable_wx() on MacOS.
@@ -523,14 +524,14 @@ extern "C" {
                                       // to entry for case SpinWait::NOP
         "  add  %[d], %[d], %[o]  \n"
         "  br   %[d]              \n"
-        "  b    SpinPause_return  \n" // case SpinWait::NONE  (-1)
+        "  b    1f                \n" // case SpinWait::NONE  (-1)
         "  nop                    \n" // padding
         "  nop                    \n" // case SpinWait::NOP   ( 0)
-        "  b    SpinPause_return  \n"
+        "  b    1f                \n"
         "  isb                    \n" // case SpinWait::ISB   ( 1)
-        "  b    SpinPause_return  \n"
+        "  b    1f                \n"
         "  yield                  \n" // case SpinWait::YIELD ( 2)
-        "SpinPause_return:        \n"
+        "1:        \n"
         : [d]"=&r"(br_dst)
         : [o]"r"(off)
         : "memory");