Merge pull request #2108 from SAP/pr-jdk-26+25

Merge to tag jdk-26+25

Author: RealCLanger

.gitignore

@@ -26,3 +26,8 @@ NashornProfile.txt
 *.rej
 *.orig
 test/benchmarks/**/target
+/src/hotspot/CMakeLists.txt
+/src/hotspot/compile_commands.json
+/src/hotspot/cmake-build-debug/
+/src/hotspot/.cache/
+/src/hotspot/.idea/

doc/building.html

@@ -668,7 +668,7 @@ <h3 id="microsoft-visual-studio">Microsoft Visual Studio</h3>
 (Note that this version is often presented as "MSVC 14.28", and reported
 by cl.exe as 19.28.) Older versions will not be accepted by
 <code>configure</code> and will not work. The maximum accepted version
-of Visual Studio is 2022.</p>
+of Visual Studio is 2026.</p>
 <p>If you have multiple versions of Visual Studio installed,
 <code>configure</code> will by default pick the latest. You can request
 a specific version to be used by setting

doc/building.md

@@ -468,7 +468,7 @@ available for this update.
 The minimum accepted version is Visual Studio 2019 version 16.8. (Note that
 this version is often presented as "MSVC 14.28", and reported by cl.exe as
 19.28.) Older versions will not be accepted by `configure` and will not work.
-The maximum accepted version of Visual Studio is 2022.
+The maximum accepted version of Visual Studio is 2026.
 
 If you have multiple versions of Visual Studio installed, `configure` will by
 default pick the latest. You can request a specific version to be used by

doc/hotspot-unit-tests.html

@@ -305,11 +305,11 @@ <h3 id="file-location">File location</h3>
 the product.</p>
 <ul>
 <li><p>All unit tests for a class from <code>foo/bar/baz.cpp</code>
-should be placed <code>foo/bar/test_baz.cpp</code> in
-<code>hotspot/test/native/</code> directory. Having all tests for a
-class in one file is a common practice for unit tests, it helps to see
-all existing tests at once, share functions and/or resources without
-losing encapsulation.</p></li>
+should be placed <code>foo/bar/test_baz.cpp</code> in the
+<code>test/hotspot/gtest/</code> directory. Having all tests for a class
+in one file is a common practice for unit tests, it helps to see all
+existing tests at once, share functions and/or resources without losing
+encapsulation.</p></li>
 <li><p>For tests which test more than one class, directory hierarchy
 should be the same as product hierarchy, and file name should reflect
 the name of the tested subsystem/functionality. For example, if a
@@ -319,7 +319,7 @@ <h3 id="file-location">File location</h3>
 <p>Please note that framework prepends directory name to a test group
 name. For example, if <code>TEST(foo, check_this)</code> and
 <code>TEST(bar, check_that)</code> are defined in
-<code>hotspot/test/native/gc/shared/test_foo.cpp</code> file, they will
+<code>test/hotspot/gtest/gc/shared/test_foo.cpp</code> file, they will
 be reported as <code>gc/shared/foo::check_this</code> and
 <code>gc/shared/bar::check_that</code>.</p>
 <h3 id="test-names">Test names</h3>

doc/hotspot-unit-tests.md

@@ -241,7 +241,7 @@ recognize your tests.
 Test file location should reflect a location of the tested part of the product.
 
 * All unit tests for a class from `foo/bar/baz.cpp` should be placed
-`foo/bar/test_baz.cpp` in `hotspot/test/native/` directory. Having all
+`foo/bar/test_baz.cpp` in the `test/hotspot/gtest/` directory. Having all
 tests for a class in one file is a common practice for unit tests, it
 helps to see all existing tests at once, share functions and/or
 resources without losing encapsulation.
@@ -254,7 +254,7 @@ sub-system under tests belongs to `gc/g1`, tests should be placed in
 
 Please note that framework prepends directory name to a test group
 name. For example, if `TEST(foo, check_this)` and `TEST(bar, check_that)`
-are defined in `hotspot/test/native/gc/shared/test_foo.cpp` file, they
+are defined in `test/hotspot/gtest/gc/shared/test_foo.cpp` file, they
 will be reported as `gc/shared/foo::check_this` and
 `gc/shared/bar::check_that`.
 

make/autoconf/toolchain_microsoft.m4

@@ -25,7 +25,7 @@
 
 ################################################################################
 # The order of these defines the priority by which we try to find them.
-VALID_VS_VERSIONS="2022 2019"
+VALID_VS_VERSIONS="2022 2019 2026"
 
 VS_DESCRIPTION_2019="Microsoft Visual Studio 2019"
 VS_VERSION_INTERNAL_2019=142
@@ -57,6 +57,21 @@ VS_SDK_PLATFORM_NAME_2022=
 VS_SUPPORTED_2022=true
 VS_TOOLSET_SUPPORTED_2022=true
 
+VS_DESCRIPTION_2026="Microsoft Visual Studio 2026"
+VS_VERSION_INTERNAL_2026=145
+VS_MSVCR_2026=vcruntime140.dll
+VS_VCRUNTIME_1_2026=vcruntime140_1.dll
+VS_MSVCP_2026=msvcp140.dll
+VS_ENVVAR_2026="VS180COMNTOOLS"
+VS_USE_UCRT_2026="true"
+VS_VS_INSTALLDIR_2026="Microsoft Visual Studio/18"
+VS_EDITIONS_2026="BuildTools Community Professional Enterprise"
+VS_SDK_INSTALLDIR_2026=
+VS_VS_PLATFORM_NAME_2026="v145"
+VS_SDK_PLATFORM_NAME_2026=
+VS_SUPPORTED_2026=true
+VS_TOOLSET_SUPPORTED_2026=true
+
 ################################################################################
 
 AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT],

make/hotspot/lib/CompileGtest.gmk

@@ -95,6 +95,7 @@ $(eval $(call SetupJdkLibrary, BUILD_GTEST_LIBJVM, \
     EXTRA_OBJECT_FILES := $(BUILD_LIBJVM_ALL_OBJS), \
     DEFAULT_CFLAGS := false, \
     CFLAGS := $(JVM_CFLAGS) \
+        -DHOTSPOT_GTEST \
         -I$(GTEST_FRAMEWORK_SRC)/googletest/include \
         -I$(GTEST_FRAMEWORK_SRC)/googlemock/include \
         $(addprefix -I, $(GTEST_TEST_SRC)), \

make/hotspot/lib/CompileJvm.gmk

@@ -337,6 +337,30 @@ TARGETS += $(BUILD_LIBJVM)
 # for the associated class.  If the class doesn't provide a more specific
 # declaration (either directly or by inheriting from a class that provides
 # one) then the global definition will be used, triggering this check.
+#
+
+# The HotSpot wrapper for <new> declares as deprecated all the allocation and
+# deallocation functions that use the global allocator. But that blocking
+# isn't a bullet-proof. Some of these functions are implicitly available in
+# every translation unit, without the need to include <new>. So even with that
+# wrapper we still need this link-time check. The implicitly declared
+# functions and their mangled names are - from C++17 6.7.4:
+#
+# void* operator new(size_t)               // _Znwm
+# void* operator new(size_t, align_val_t)  // _ZnwmSt11align_val_t
+#
+# void operator delete(void*) noexcept                      // _ZdlPv
+# void operator delete(void*, size_t) noexcept              // _ZdlPvm
+# void operator delete(void*, align_val_t) noexcept         // _ZdlPvSt11align_val_t
+# void operator delete(void*, size_t, align_val_t) noexcept // _ZdlPvmSt11align_val_t
+#
+# void* operator new[](size_t)               // _Znam
+# void* operator new[](size_t, align_val_t)  // _ZnamSt11align_val_t
+#
+# void operator delete[](void*) noexcept                      // _ZdaPv
+# void operator delete[](void*, size_t) noexcept              // _ZdaPvm
+# void operator delete[](void*, align_val_t) noexcept         // _ZdaPvSt11align_val_t
+# void operator delete[](void*, size_t, align_val_t) noexcept // _ZdaPvmSt11align_val_t
 
 ifneq ($(GENERATE_COMPILE_COMMANDS_ONLY), true)
   ifneq ($(filter $(TOOLCHAIN_TYPE), gcc clang), )
@@ -347,10 +371,18 @@ ifneq ($(GENERATE_COMPILE_COMMANDS_ONLY), true)
     # so use mangled names when looking for symbols.
     # Save the demangling for when something is actually found.
     MANGLED_SYMS := \
-        _ZdaPv \
+        _Znwm \
+        _ZnwmSt11align_val_t \
         _ZdlPv \
+        _ZdlPvm \
+        _ZdlPvSt11align_val_t \
+        _ZdlPvmSt11align_val_t \
         _Znam \
-        _Znwm \
+        _ZnamSt11align_val_t \
+        _ZdaPv \
+        _ZdaPvm \
+        _ZdaPvSt11align_val_t \
+        _ZdaPvmSt11align_val_t \
         #
     UNDEF_PATTERN := ' U '
 

make/jdk/src/classes/build/tools/taglet/SealedGraph.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2022, 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
@@ -219,13 +219,13 @@ public void addNode(TypeElement node) {
             // This implies the module is always the same.
             private String relativeLink(TypeElement node) {
                 var util = SealedGraph.this.docletEnvironment.getElementUtils();
-                var rootPackage = util.getPackageOf(rootNode);
                 var nodePackage = util.getPackageOf(node);
-                var backNavigator = rootPackage.getQualifiedName().toString().chars()
+                // Note: SVG files for nested types use the simple names of containing types as parent directories.
+                // We therefore need to convert all dots in the qualified name to "../" below.
+                var backNavigator = rootNode.getQualifiedName().toString().chars()
                         .filter(c -> c == '.')
                         .mapToObj(c -> "../")
-                        .collect(joining()) +
-                        "../";
+                        .collect(joining());
                 var forwardNavigator = nodePackage.getQualifiedName().toString()
                         .replace(".", "/");
 

make/langtools/tools/propertiesparser/parser/MessageType.java

@@ -84,6 +84,7 @@ public enum SimpleType implements MessageType {
         FILE_OBJECT("file object", "JavaFileObject", "javax.tools"),
         PATH("path", "Path", "java.nio.file"),
         NAME("name", "Name", "com.sun.tools.javac.util"),
+        LONG("long", "long", null),
         NUMBER("number", "int", null),
         OPTION_NAME("option name", "Option", "com.sun.tools.javac.main"),
         PROFILE("profile", "Profile", "com.sun.tools.javac.jvm"),