Merge remote-tracking branch 'upstream/master' into dragonwell

.github/workflows/build-macos.yml

@@ -55,7 +55,7 @@ on:
 jobs:
   build-macos:
     name: build
-    runs-on: macos-13
+    runs-on: macos-15-intel
 
     strategy:
       fail-fast: false
@@ -84,7 +84,7 @@ jobs:
         run: |
           # Run Homebrew installation and xcode-select
           brew install make
-          sudo xcode-select --switch /Applications/Xcode_${{ inputs.xcode-toolset-version }}.app/Contents/Developer
+          sudo xcode-select --switch /Applications/Xcode_16.4.app/Contents/Developer
           # This will make GNU make available as 'make' and not only as 'gmake'
           echo '/usr/local/opt/make/libexec/gnubin' >> $GITHUB_PATH
 

.github/workflows/main.yml

@@ -152,37 +152,3 @@ jobs:
       bootjdk-platform: windows-x64
       runs-on: '"windows-2025"'
 
-  # Remove bundles so they are not misconstrued as binary distributions from the JDK project
-  remove-bundles:
-    name: 'Remove bundle artifacts'
-    runs-on: ubuntu-22.04
-    # if: always()
-    needs:
-      - build-linux-x64
-      - build-linux-aarch64
-      - build-windows-x64
-      - build-riscv64
-      - test-linux-x64
-      - test-windows-x64
-
-    steps:
-      - name: 'Remove bundle artifacts'
-        run: |
-          # Find and remove all bundle artifacts
-          # See: https://docs.github.com/en/rest/actions/artifacts?apiVersion=2022-11-28
-          ALL_ARTIFACT_IDS="$(curl -sL \
-              -H 'Accept: application/vnd.github+json' \
-              -H 'Authorization: Bearer ${{ github.token }}' \
-              -H 'X-GitHub-Api-Version: 2022-11-28' \
-              '${{ github.api_url }}/repos/${{ github.repository }}/actions/runs/${{ github.run_id }}/artifacts?per_page=100')"
-          BUNDLE_ARTIFACT_IDS="$(echo "$ALL_ARTIFACT_IDS" | jq -r -c '.artifacts | map(select(.name|startswith("bundles-"))) | .[].id')"
-          for id in $BUNDLE_ARTIFACT_IDS; do
-            echo "Removing $id"
-            curl -sL \
-                -X DELETE \
-                -H 'Accept: application/vnd.github+json' \
-                -H 'Authorization: Bearer ${{ github.token }}' \
-                -H 'X-GitHub-Api-Version: 2022-11-28' \
-                "${{ github.api_url }}/repos/${{ github.repository }}/actions/artifacts/$id" \
-            || echo "Failed to remove bundle"
-          done

.github/workflows/test.yml

@@ -169,11 +169,18 @@ jobs:
         run: |
           # On macOS we need to install some dependencies for testing
           brew install make
-          sudo xcode-select --switch /Applications/Xcode_14.3.1.app/Contents/Developer
+          sudo xcode-select --switch /Applications/Xcode_16.4.app/Contents/Developer
           # This will make GNU make available as 'make' and not only as 'gmake'
           echo '/usr/local/opt/make/libexec/gnubin' >> $GITHUB_PATH
         if: runner.os == 'macOS' && steps.check_if_run.outputs.should_run != 'false'
 
+      # Fixes JDK-8336451
+      - name: 'Update /etc/hosts on macos'
+        run: |
+          echo -e "127.0.0.1     $(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+          echo -e "" | sudo tee -a /etc/hosts
+        if: runner.os == 'macOS'
+
       - name: 'Set PATH'
         id: path
         run: |

.jcheck/conf

@@ -1,7 +1,7 @@
 [general]
 project=jdk-updates
 jbs=JDK
-version=11.0.29
+version=11.0.31
 
 [checks]
 error=author,committer,reviewers,merge,issues,executable,symlink,message,hg-tag,whitespace,problemlists

doc/building.html

@@ -296,6 +296,10 @@ <h2 id="native-compiler-toolchain-requirements">Native Compiler (Toolchain) Requ
 </tr>
 </tbody>
 </table>
+<p>All compilers are expected to be able to compile to the C99 language standard,
+as some C99 features are used in the source code. Microsoft Visual Studio
+doesn't fully support C99 so in practice shared code is limited to using C99
+features that it does support.</p>
 <h3 id="gcc">gcc</h3>
 <p>The minimum accepted version of gcc is 4.8. Older versions will generate a warning by <code>configure</code> and are unlikely to work.</p>
 <p>The JDK is currently known to be able to compile with at least version 7.4 of gcc.</p>

doc/building.md

@@ -313,6 +313,11 @@ issues.
 | Solaris            | Oracle Solaris Studio 12.4 (with compiler version 5.13) |
 | Windows            | Microsoft Visual Studio 2017 update 15.9.16             |
 
+All compilers are expected to be able to compile to the C99 language standard,
+as some C99 features are used in the source code. Microsoft Visual Studio
+doesn't fully support C99 so in practice shared code is limited to using C99
+features that it does support.
+
 ### gcc
 
 The minimum accepted version of gcc is 4.8. Older versions will generate a warning

make/autoconf/flags-cflags.m4

@@ -563,7 +563,7 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_HELPER],
     TOOLCHAIN_CFLAGS="-errshort=tags"
 
     TOOLCHAIN_CFLAGS_JDK="-mt $TOOLCHAIN_FLAGS"
-    TOOLCHAIN_CFLAGS_JDK_CONLY="-xCC -Xa -W0,-noglobal $TOOLCHAIN_CFLAGS" # C only
+    TOOLCHAIN_CFLAGS_JDK_CONLY="-W0,-noglobal $TOOLCHAIN_CFLAGS" # C only
     TOOLCHAIN_CFLAGS_JDK_CXXONLY="-features=no%except -norunpath -xnolib" # CXX only
     TOOLCHAIN_CFLAGS_JVM="-template=no%extdef -features=no%split_init \
         -library=stlport4 -mt -features=no%except $TOOLCHAIN_FLAGS"
@@ -584,6 +584,30 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_HELPER],
     TOOLCHAIN_CFLAGS_JDK="-nologo -MD -Zc:wchar_t-"
   fi
 
+  # CFLAGS C language level for JDK sources (hotspot only uses C++)
+  # Ideally we would have a common level across all toolchains so that all sources
+  # are sure to conform to the same standard. Unfortunately neither our sources nor
+  # our toolchains are in a condition to support that. But what we loosely aim for is
+  # C99 level.
+  if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang || test "x$TOOLCHAIN_TYPE" = xxlc; then
+    # This raises the language level for older 4.8 gcc, while lowering it for later
+    # versions. clang and xlclang support the same flag.
+    LANGSTD_CFLAGS="-std=c99"
+  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    # We can't turn on -std=c99 without breaking compilation of the splashscreen/png
+    # utilities. But we can enable c99 as below (previously achieved by using -Xa).
+    # It is the no_lib that makes the difference.
+    LANGSTD_CFLAGS="-xc99=all,no_lib"
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    # MSVC doesn't support C99/C11 explicitly, unless you compile as C++:
+    # LANGSTD_CFLAGS="/TP"
+    # but that requires numerous changes to the sources files. So we are limited
+    # to C89/C90 plus whatever extensions Visual Studio has decided to implement.
+    # This is the lowest bar for shared code.
+    LANGSTD_CFLAGS=""
+  fi
+  TOOLCHAIN_CFLAGS_JDK_CONLY="$LANGSTD_CFLAGS $TOOLCHAIN_CFLAGS_JDK_CONLY"
+
   # CFLAGS WARNINGS STUFF
   # Set JVM_CFLAGS warning handling
   if test "x$TOOLCHAIN_TYPE" = xgcc; then

make/autoconf/flags.m4

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2021, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2023, 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
@@ -114,16 +114,12 @@ AC_DEFUN([FLAGS_SETUP_MACOSX_VERSION],
     # The expected format for <version> is either nn.n.n or nn.nn.nn. See
     # /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/AvailabilityVersions.h
 
-    # MACOSX_VERSION_MIN specifies the lowest version of Macosx that the built
+    # MACOSX_VERSION_MIN specifies the lowest version of macOS that the built
     # binaries should be compatible with, even if compiled on a newer version
     # of the OS. It currently has a hard coded value. Setting this also limits
     # exposure to API changes in header files. Bumping this is likely to
     # require code changes to build.
-    if test "x$OPENJDK_TARGET_CPU_ARCH" = xaarch64; then
-      MACOSX_VERSION_MIN=11.00.00
-    else
-      MACOSX_VERSION_MIN=10.12.0
-    fi
+    MACOSX_VERSION_MIN=11.00.00
     MACOSX_VERSION_MIN_NODOTS=${MACOSX_VERSION_MIN//\./}
 
     AC_SUBST(MACOSX_VERSION_MIN)

make/autoconf/version-numbers

@@ -28,16 +28,16 @@
 
 DEFAULT_VERSION_FEATURE=11
 DEFAULT_VERSION_INTERIM=0
-DEFAULT_VERSION_UPDATE=29
+DEFAULT_VERSION_UPDATE=31
 DEFAULT_VERSION_PATCH=0
 DEFAULT_VERSION_EXTRA1=0
 DEFAULT_VERSION_EXTRA2=0
 DEFAULT_VERSION_EXTRA3=0
-DEFAULT_VERSION_DATE=2025-10-21
+DEFAULT_VERSION_DATE=2026-04-21
 DEFAULT_VERSION_CLASSFILE_MAJOR=55  # "`$EXPR $DEFAULT_VERSION_FEATURE + 44`"
 DEFAULT_VERSION_CLASSFILE_MINOR=0
 DEFAULT_ACCEPTABLE_BOOT_VERSIONS="10 11"
-DEFAULT_PROMOTED_VERSION_PRE=
+DEFAULT_PROMOTED_VERSION_PRE=ea
 
 LAUNCHER_NAME=openjdk
 PRODUCT_NAME=OpenJDK

make/conf/jib-profiles.js

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2025, 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
@@ -415,7 +415,7 @@ var getJibProfilesProfiles = function (input, common, data) {
             target_cpu: "x64",
             dependencies: ["devkit", "graalunit_lib"],
             configure_args: concat(common.configure_args_64bit, "--with-zlib=system",
-                "--with-macosx-version-max=10.12.00"),
+                "--with-macosx-version-max=11.00.00"),
         },
 
         "solaris-x64": {

make/lib/Awt2dLibraries.gmk

@@ -382,7 +382,6 @@ $(eval $(call SetupJdkLibrary, BUILD_LIBLCMS, \
     OPTIMIZATION := HIGHEST, \
     CFLAGS := $(CFLAGS_JDKLIB) \
         $(LCMS_CFLAGS), \
-    CFLAGS_solaris := -xc99=no_lib, \
     CFLAGS_windows := -DCMS_IS_WINDOWS_, \
     EXTRA_HEADER_DIRS := \
         common/awt/debug \

src/bsd/doc/man/jarsigner.1

@@ -624,6 +624,11 @@ Informational warnings include those that are not errors but regarded as bad pra
 hasExpiringCert
 This jar contains entries whose signer certificate will expire within six months\&.
 .TP     
+internalInconsistenciesDetected
+This jar contains internal inconsistencies detected during verification
+that may result in different contents when reading via JarFile
+and JarInputStream\&.
+.TP     
 noTimestamp
 This jar contains signatures that does not include a timestamp\&. Without a timestamp, users may not be able to validate this JAR file after the signer certificate\&'s expiration date (\f3YYYY-MM-DD\fR) or after any future revocation date\&.
 .SH EXAMPLES    

src/hotspot/cpu/aarch64/assembler_aarch64.cpp

@@ -1702,7 +1702,7 @@ void Assembler::add_sub_immediate(Register Rd, Register Rn, unsigned uimm, int o
 }
 
 bool Assembler::operand_valid_for_add_sub_immediate(int64_t imm) {
-  uint64_t uimm = (uint64_t)uabs((jlong)imm);
+  uint64_t uimm = (uint64_t)g_uabs((jlong)imm);
   if (uimm < (1 << 12))
     return true;
   if (uimm < (1 << 24)

src/hotspot/cpu/aarch64/assembler_aarch64.hpp

@@ -855,7 +855,7 @@ class Assembler : public AbstractAssembler {
   static const uint64_t branch_range = NOT_DEBUG(128 * M) DEBUG_ONLY(2 * M);
 
   static bool reachable_from_branch_at(address branch, address target) {
-    return uabs(target - branch) < branch_range;
+    return g_uabs(target - branch) < branch_range;
   }
 
   // Unconditional branch (immediate)

src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp

@@ -2681,7 +2681,7 @@ void MacroAssembler::wrap_add_sub_imm_insn(Register Rd, Register Rn, unsigned im
   if (operand_valid_for_add_sub_immediate((int)imm)) {
     (this->*insn1)(Rd, Rn, imm);
   } else {
-    if (uabs(imm) < (1 << 24)) {
+    if (g_uabs(imm) < (1 << 24)) {
        (this->*insn1)(Rd, Rn, imm & -(1 << 12));
        (this->*insn1)(Rd, Rd, imm & ((1 << 12)-1));
     } else {

src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp

@@ -1037,7 +1037,7 @@ class StubGenerator: public StubCodeGenerator {
 
   void copy_memory_small(Register s, Register d, Register count, Register tmp, int step) {
     bool is_backwards = step < 0;
-    size_t granularity = uabs(step);
+    size_t granularity = g_uabs(step);
     int direction = is_backwards ? -1 : 1;
     int unit = wordSize * direction;
 
@@ -1093,7 +1093,7 @@ class StubGenerator: public StubCodeGenerator {
                    Register count, Register tmp, int step) {
     copy_direction direction = step < 0 ? copy_backwards : copy_forwards;
     bool is_backwards = step < 0;
-    unsigned int granularity = uabs(step);
+    unsigned int granularity = g_uabs(step);
     const Register t0 = r3, t1 = r4;
 
     // <= 80 (or 96 for SIMD) bytes do inline. Direction doesn't matter because we always

src/hotspot/cpu/riscv/assembler_riscv.hpp

@@ -3427,7 +3427,7 @@ enum Nf {
   static const unsigned long branch_range = 1 * M;
 
   static bool reachable_from_branch_at(address branch, address target) {
-    return uabs(target - branch) < branch_range;
+    return g_uabs(target - branch) < branch_range;
   }
 
   virtual ~Assembler() {}

src/hotspot/cpu/riscv/stubGenerator_riscv.cpp

@@ -861,7 +861,7 @@ class StubGenerator: public StubCodeGenerator {
    *   goto copy_8_bytes;
    * }
    * bool is_backwards = step < 0;
-   * int granularity = uabs(step);
+   * int granularity = g_uabs(step);
    * count = count  *  granularity;   * count bytes
    *
    * if (is_backwards) {
@@ -888,7 +888,7 @@ class StubGenerator: public StubCodeGenerator {
 
   void copy_memory_v(Register s, Register d, Register count, Register tmp, int step) {
     bool is_backward = step < 0;
-    int granularity = uabs(step);
+    int granularity = g_uabs(step);
 
     const Register src = x30, dst = x31, vl = x14, cnt = x15, tmp1 = x16, tmp2 = x17;
     assert_different_registers(s, d, cnt, vl, tmp, tmp1, tmp2);
@@ -937,7 +937,7 @@ class StubGenerator: public StubCodeGenerator {
     }
 
     bool is_backwards = step < 0;
-    int granularity = uabs(step);
+    int granularity = g_uabs(step);
 
     const Register src = x30, dst = x31, cnt = x15, tmp3 = x16, tmp4 = x17;
 

src/hotspot/os/linux/cgroupSubsystem_linux.cpp

@@ -35,7 +35,7 @@
 #include "utilities/globalDefinitions.hpp"
 
 // controller names have to match the *_IDX indices
-static const char* cg_controller_name[] = { "cpu", "cpuset", "cpuacct", "memory", "pids" };
+static const char* cg_controller_name[] = { "cpuset", "cpu", "cpuacct", "memory", "pids" };
 
 CgroupSubsystem* CgroupSubsystemFactory::create() {
   CgroupV1MemoryController* memory = NULL;
@@ -159,9 +159,10 @@ bool CgroupSubsystemFactory::determine_type(CgroupInfo* cg_infos,
   char buf[MAXPATHLEN+1];
   char *p;
   bool is_cgroupsV2;
-  // true iff all required controllers, memory, cpu, cpuset, cpuacct are enabled
+  // true iff all required controllers, memory, cpu, cpuacct are enabled
   // at the kernel level.
   // pids might not be enabled on older Linux distros (SLES 12.1, RHEL 7.1)
+  // cpuset might not be enabled on newer Linux distros (Fedora 41)
   bool all_required_controllers_enabled;
 
   /*
@@ -193,6 +194,7 @@ bool CgroupSubsystemFactory::determine_type(CgroupInfo* cg_infos,
       cg_infos[MEMORY_IDX]._hierarchy_id = hierarchy_id;
       cg_infos[MEMORY_IDX]._enabled = (enabled == 1);
     } else if (strcmp(name, "cpuset") == 0) {
+      log_debug(os, container)("Detected optional cpuset controller entry in %s", proc_cgroups);
       cg_infos[CPUSET_IDX]._name = os::strdup(name);
       cg_infos[CPUSET_IDX]._hierarchy_id = hierarchy_id;
       cg_infos[CPUSET_IDX]._enabled = (enabled == 1);
@@ -216,8 +218,8 @@ bool CgroupSubsystemFactory::determine_type(CgroupInfo* cg_infos,
   is_cgroupsV2 = true;
   all_required_controllers_enabled = true;
   for (int i = 0; i < CG_INFO_LENGTH; i++) {
-    // pids controller is optional. All other controllers are required
-    if (i != PIDS_IDX) {
+    // pids and cpuset controllers are optional. All other controllers are required
+    if (i != PIDS_IDX && i != CPUSET_IDX) {
       is_cgroupsV2 = is_cgroupsV2 && cg_infos[i]._hierarchy_id == 0;
       all_required_controllers_enabled = all_required_controllers_enabled && cg_infos[i]._enabled;
     }

src/hotspot/os/linux/cgroupSubsystem_linux.hpp

@@ -252,6 +252,8 @@ class CgroupSubsystem: public CHeapObj<mtInternal> {
     virtual jlong memory_and_swap_limit_in_bytes() = 0;
     virtual jlong memory_soft_limit_in_bytes() = 0;
     virtual jlong memory_max_usage_in_bytes() = 0;
+    virtual jlong rss_usage_in_bytes() = 0;
+    virtual jlong cache_usage_in_bytes() = 0;
 
     virtual char * cpu_cpuset_cpus() = 0;
     virtual char * cpu_cpuset_memory_nodes() = 0;

src/hotspot/os/linux/cgroupV1Subsystem_linux.cpp

@@ -198,6 +198,17 @@ jlong CgroupV1Subsystem::memory_max_usage_in_bytes() {
   return memmaxusage;
 }
 
+jlong CgroupV1Subsystem::rss_usage_in_bytes() {
+  GET_CONTAINER_INFO_LINE(julong, _memory->controller(), "/memory.stat",
+                          "rss", JULONG_FORMAT, JULONG_FORMAT, rss);
+  return rss;
+}
+
+jlong CgroupV1Subsystem::cache_usage_in_bytes() {
+  GET_CONTAINER_INFO_LINE(julong, _memory->controller(), "/memory.stat",
+                          "cache", JULONG_FORMAT, JULONG_FORMAT, cache);
+  return cache;
+}
 
 jlong CgroupV1Subsystem::kernel_memory_usage_in_bytes() {
   GET_CONTAINER_INFO(jlong, _memory->controller(), "/memory.kmem.usage_in_bytes",

src/hotspot/os/linux/cgroupV1Subsystem_linux.hpp

@@ -79,6 +79,8 @@ class CgroupV1Subsystem: public CgroupSubsystem {
     jlong memory_soft_limit_in_bytes();
     jlong memory_usage_in_bytes();
     jlong memory_max_usage_in_bytes();
+    jlong rss_usage_in_bytes();
+    jlong cache_usage_in_bytes();
 
     jlong kernel_memory_usage_in_bytes();
     jlong kernel_memory_limit_in_bytes();