Merge tag 'jdk-26+12' into labsjdk/adopt-jdk-26+12-master

Added tag jdk-26+12 for changeset 02fe095

Author: OracleLabsAutomation

bin/idea.sh

@@ -125,7 +125,8 @@ if [ -d "$TOPLEVEL_DIR/.hg" ] ; then
     VCS_TYPE="hg4idea"
 fi
 
-if [ -d "$TOPLEVEL_DIR/.git" ] ; then
+# Git worktrees use a '.git' file rather than directory, so test both.
+if [ -d "$TOPLEVEL_DIR/.git" -o -f "$TOPLEVEL_DIR/.git" ] ; then
     VCS_TYPE="Git"
 fi
 

doc/building.html

@@ -1451,10 +1451,10 @@ <h4 id="using-openjdk-devkits">Using OpenJDK Devkits</h4>
 easily be used together with the <code>--with-devkit</code> configure
 option to cross compile the JDK. On Linux/x86_64, the following
 command:</p>
-<pre><code>bash configure --with-devkit=&lt;devkit-path&gt; --openjdk-target=ppc64-linux-gnu &amp;&amp; make</code></pre>
-<p>will configure and build the JDK for Linux/ppc64 assuming that
-<code>&lt;devkit-path&gt;</code> points to a Linux/x86_64 to Linux/ppc64
-devkit.</p>
+<pre><code>bash configure --with-devkit=&lt;devkit-path&gt; --openjdk-target=ppc64le-linux-gnu &amp;&amp; make</code></pre>
+<p>will configure and build the JDK for Linux/ppc64le assuming that
+<code>&lt;devkit-path&gt;</code> points to a Linux/x86_64 to
+Linux/ppc64le devkit.</p>
 <p>Devkits can be created from the <code>make/devkit</code> directory by
 executing:</p>
 <pre><code>make [ TARGETS=&quot;&lt;TARGET_TRIPLET&gt;+&quot; ] [ BASE_OS=&lt;OS&gt; ] [ BASE_OS_VERSION=&lt;VER&gt; ]</code></pre>
@@ -1481,10 +1481,10 @@ <h4 id="using-openjdk-devkits">Using OpenJDK Devkits</h4>
 <td>arm-linux-gnueabihf</td>
 </tr>
 <tr class="even">
-<td>ppc64-linux-gnu</td>
+<td>ppc64le-linux-gnu</td>
 </tr>
 <tr class="odd">
-<td>ppc64le-linux-gnu</td>
+<td>riscv64-linux-gnu</td>
 </tr>
 <tr class="even">
 <td>s390x-linux-gnu</td>

doc/building.md

@@ -1258,11 +1258,11 @@ toolchain and a sysroot environment which can easily be used together with the
 following command:
 
 ```
-bash configure --with-devkit=<devkit-path> --openjdk-target=ppc64-linux-gnu && make
+bash configure --with-devkit=<devkit-path> --openjdk-target=ppc64le-linux-gnu && make
 ```
 
-will configure and build the JDK for Linux/ppc64 assuming that `<devkit-path>`
-points to a Linux/x86_64 to Linux/ppc64 devkit.
+will configure and build the JDK for Linux/ppc64le assuming that `<devkit-path>`
+points to a Linux/x86_64 to Linux/ppc64le devkit.
 
 Devkits can be created from the `make/devkit` directory by executing:
 
@@ -1281,8 +1281,8 @@ at least the following targets are known to work:
 | x86_64-linux-gnu         |
 | aarch64-linux-gnu        |
 | arm-linux-gnueabihf      |
-| ppc64-linux-gnu          |
 | ppc64le-linux-gnu        |
+| riscv64-linux-gnu        |
 | s390x-linux-gnu          |
 
 `BASE_OS` must be one of `OL` for Oracle Enterprise Linux or `Fedora`. If the

doc/starting-next-release.html

@@ -11,11 +11,8 @@
     div.columns{display: flex; gap: min(4vw, 1.5em);}
     div.column{flex: auto; overflow-x: auto;}
     div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
-    /* The extra [class] is a hack that increases specificity enough to
-       override a similar rule in reveal.js */
-    ul.task-list[class]{list-style: none;}
+    ul.task-list{list-style: none;}
     ul.task-list li input[type="checkbox"] {
-      font-size: inherit;
       width: 0.8em;
       margin: 0 0.8em 0.2em -1.6em;
       vertical-align: middle;

doc/testing.html

@@ -72,11 +72,9 @@ <h1 class="title">Testing the JDK</h1>
 <li><a href="#non-us-locale" id="toc-non-us-locale">Non-US
 locale</a></li>
 <li><a href="#pkcs11-tests" id="toc-pkcs11-tests">PKCS11 Tests</a></li>
-</ul></li>
 <li><a href="#testing-ahead-of-time-optimizations"
-id="toc-testing-ahead-of-time-optimizations">### Testing Ahead-of-time
-Optimizations</a>
-<ul>
+id="toc-testing-ahead-of-time-optimizations">Testing Ahead-of-time
+Optimizations</a></li>
 <li><a href="#testing-with-alternative-security-providers"
 id="toc-testing-with-alternative-security-providers">Testing with
 alternative security providers</a></li>
@@ -435,6 +433,9 @@ <h4 id="jcov_diff_changeset">JCOV_DIFF_CHANGESET</h4>
 <p>The report is stored in
 <code>build/$BUILD/test-results/jcov-output/diff_coverage_report</code>
 file.</p>
+<h4 id="aot_jdk">AOT_JDK</h4>
+<p>See <a href="#testing-ahead-of-time-optimizations">Testing
+Ahead-of-time optimizations</a>.</p>
 <h3 id="jtreg-keywords">JTReg keywords</h3>
 <h4 id="jobs-1">JOBS</h4>
 <p>The test concurrency (<code>-concurrency</code>).</p>
@@ -457,6 +458,12 @@ <h4 id="test_thread_factory">TEST_THREAD_FACTORY</h4>
 <code>test/jtreg_test_thread_factory/</code> directory. This class gets
 compiled during the test image build. The implementation of the Virtual
 class creates a new virtual thread for executing each test class.</p>
+<h4 id="jvmti_stress_agent">JVMTI_STRESS_AGENT</h4>
+<p>Executes JTReg tests with JVM TI stress agent. The stress agent is
+the part of test library and located in
+<code>test/lib/jdk/test/lib/jvmti/libJvmtiStressAgent.cpp</code>. The
+value of this argument is set as JVM TI agent options. This mode uses
+ProblemList-jvmti-stress-agent.txt as an additional exclude list.</p>
 <h4 id="test_mode">TEST_MODE</h4>
 <p>The test mode (<code>agentvm</code> or <code>othervm</code>).</p>
 <p>Defaults to <code>agentvm</code>.</p>
@@ -556,6 +563,12 @@ <h4 id="results_format">RESULTS_FORMAT</h4>
 same values as <code>-rff</code>, i.e., <code>text</code>,
 <code>csv</code>, <code>scsv</code>, <code>json</code>, or
 <code>latex</code>.</p>
+<h4 id="test_jdk">TEST_JDK</h4>
+<p>The path to the JDK that will be used to run the benchmarks.</p>
+<p>Defaults to <code>build/&lt;CONF-NAME&gt;/jdk</code>.</p>
+<h4 id="benchmarks_jar">BENCHMARKS_JAR</h4>
+<p>The path to the JAR containing the benchmarks.</p>
+<p>Defaults to <code>test/micro/benchmarks.jar</code>.</p>
 <h4 id="vm_options-2">VM_OPTIONS</h4>
 <p>Additional VM arguments to provide to forked off VMs. Same as
 <code>-jvmArgs &lt;args&gt;</code></p>
@@ -601,8 +614,8 @@ <h3 id="pkcs11-tests">PKCS11 Tests</h3>
     JTREG=&quot;JAVA_OPTIONS=-Djdk.test.lib.artifacts.nsslib-linux_aarch64=/path/to/NSS-libs&quot;</code></pre>
 <p>For more notes about the PKCS11 tests, please refer to
 test/jdk/sun/security/pkcs11/README.</p>
-<h2 id="testing-ahead-of-time-optimizations">### Testing Ahead-of-time
-Optimizations</h2>
+<h3 id="testing-ahead-of-time-optimizations">Testing Ahead-of-time
+Optimizations</h3>
 <p>One way to improve test coverage of ahead-of-time (AOT) optimizations
 in the JDK is to run existing jtreg test cases in a special "AOT_JDK"
 mode. Example:</p>

doc/testing.md

@@ -367,6 +367,10 @@ between the specified revision and the repository tip.
 The report is stored in
 `build/$BUILD/test-results/jcov-output/diff_coverage_report` file.
 
+#### AOT_JDK
+
+See [Testing Ahead-of-time optimizations](#testing-ahead-of-time-optimizations).
+
 ### JTReg keywords
 
 #### JOBS
@@ -397,6 +401,13 @@ the `test/jtreg_test_thread_factory/` directory. This class gets compiled
 during the test image build. The implementation of the Virtual class creates a
 new virtual thread for executing each test class.
 
+#### JVMTI_STRESS_AGENT
+
+Executes JTReg tests with JVM TI stress agent. The stress agent is the part of
+test library and located in `test/lib/jdk/test/lib/jvmti/libJvmtiStressAgent.cpp`.
+The value of this argument is set as JVM TI agent options.
+This mode uses ProblemList-jvmti-stress-agent.txt as an additional exclude list.
+
 #### TEST_MODE
 
 The test mode (`agentvm` or `othervm`).
@@ -545,6 +556,18 @@ Amount of time to spend in each warmup iteration. Same as specifying `-w
 Specify to have the test run save a log of the values. Accepts the same values
 as `-rff`, i.e., `text`, `csv`, `scsv`, `json`, or `latex`.
 
+#### TEST_JDK
+
+The path to the JDK that will be used to run the benchmarks.
+
+Defaults to `build/<CONF-NAME>/jdk`.
+
+#### BENCHMARKS_JAR
+
+The path to the JAR containing the benchmarks.
+
+Defaults to `test/micro/benchmarks.jar`.
+
 #### VM_OPTIONS
 
 Additional VM arguments to provide to forked off VMs. Same as `-jvmArgs <args>`
@@ -612,7 +635,7 @@ For more notes about the PKCS11 tests, please refer to
 test/jdk/sun/security/pkcs11/README.
 
 ### Testing Ahead-of-time Optimizations
--------------------------------------------------------------------------------
+
 One way to improve test coverage of ahead-of-time (AOT) optimizations in
 the JDK is to run existing jtreg test cases in a special "AOT_JDK" mode.
 Example:

make/RunTests.gmk

@@ -204,8 +204,9 @@ $(eval $(call SetTestOpt,AOT_JDK,JTREG))
 
 $(eval $(call ParseKeywordVariable, JTREG, \
     SINGLE_KEYWORDS := JOBS TIMEOUT_FACTOR FAILURE_HANDLER_TIMEOUT \
-        TEST_MODE ASSERT VERBOSE RETAIN TEST_THREAD_FACTORY MAX_MEM RUN_PROBLEM_LISTS \
-        RETRY_COUNT REPEAT_COUNT MAX_OUTPUT REPORT AOT_JDK $(CUSTOM_JTREG_SINGLE_KEYWORDS), \
+        TEST_MODE ASSERT VERBOSE RETAIN TEST_THREAD_FACTORY JVMTI_STRESS_AGENT \
+        MAX_MEM RUN_PROBLEM_LISTS RETRY_COUNT REPEAT_COUNT MAX_OUTPUT REPORT \
+        AOT_JDK $(CUSTOM_JTREG_SINGLE_KEYWORDS), \
     STRING_KEYWORDS := OPTIONS JAVA_OPTIONS VM_OPTIONS KEYWORDS \
         EXTRA_PROBLEM_LISTS LAUNCHER_OPTIONS \
         $(CUSTOM_JTREG_STRING_KEYWORDS), \
@@ -876,6 +877,15 @@ define SetupRunJtregTestBody
     ))
   endif
 
+  ifneq ($$(JTREG_JVMTI_STRESS_AGENT), )
+    AGENT := $$(LIBRARY_PREFIX)JvmtiStressAgent$$(SHARED_LIBRARY_SUFFIX)=$$(JTREG_JVMTI_STRESS_AGENT)
+    $1_JTREG_BASIC_OPTIONS += -javaoption:'-agentpath:$(TEST_IMAGE_DIR)/hotspot/jtreg/native/$$(AGENT)'
+    $1_JTREG_BASIC_OPTIONS += $$(addprefix $$(JTREG_PROBLEM_LIST_PREFIX), $$(wildcard \
+	    $$(addprefix $$($1_TEST_ROOT)/, ProblemList-jvmti-stress-agent.txt) \
+        ))
+  endif
+
+
   ifneq ($$(JTREG_LAUNCHER_OPTIONS), )
     $1_JTREG_LAUNCHER_OPTIONS += $$(JTREG_LAUNCHER_OPTIONS)
   endif
@@ -1243,7 +1253,7 @@ UseSpecialTestHandler = \
 # Now process each test to run and setup a proper make rule
 $(foreach test, $(TESTS_TO_RUN), \
   $(eval TEST_ID := $(shell $(ECHO) $(strip $(test)) | \
-      $(TR) -cs '[a-z][A-Z][0-9]\n' '[_*1000]')) \
+      $(TR) -cs '[a-z][A-Z][0-9]\n' '_')) \
   $(eval ALL_TEST_IDS += $(TEST_ID)) \
   $(if $(call UseCustomTestHandler, $(test)), \
     $(eval $(call SetupRunCustomTest, $(TEST_ID), \
@@ -1323,9 +1333,9 @@ run-test-report: post-run-test
 	    TEST TOTAL PASS FAIL ERROR SKIP " "
 	$(foreach test, $(TESTS_TO_RUN), \
 	  $(eval TEST_ID := $(shell $(ECHO) $(strip $(test)) | \
-	      $(TR) -cs '[a-z][A-Z][0-9]\n' '[_*1000]')) \
+	      $(TR) -cs '[a-z][A-Z][0-9]\n' '_')) \
 	    $(ECHO) >> $(TEST_LAST_IDS) $(TEST_ID) $(NEWLINE) \
-	  $(eval NAME_PATTERN := $(shell $(ECHO) $(test) | $(TR) -c '\n' '[_*1000]')) \
+	  $(eval NAME_PATTERN := $(shell $(ECHO) $(test) | $(TR) -c '\n' '_')) \
 	  $(if $(filter __________________________________________________%, $(NAME_PATTERN)), \
 	    $(eval TEST_NAME := ) \
 	    $(PRINTF) >> $(TEST_SUMMARY) "%2s %-49s\n" "  " "$(test)"  $(NEWLINE) \

make/RunTestsPrebuiltSpec.gmk

@@ -176,3 +176,19 @@ ULIMIT := ulimit
 ifeq ($(OPENJDK_BUILD_OS), windows)
   PATHTOOL := cygpath
 endif
+
+# These settings are needed to run testing with jvmti agent
+ifeq ($(OPENJDK_BUILD_OS), linux)
+  LIBRARY_PREFIX := lib
+  SHARED_LIBRARY_SUFFIX := .so
+endif
+
+ifeq ($(OPENJDK_BUILD_OS), windows)
+  LIBRARY_PREFIX :=
+  SHARED_LIBRARY_SUFFIX := .dll
+endif
+
+ifeq ($(OPENJDK_BUILD_OS), macosx)
+  LIBRARY_PREFIX := lib
+  SHARED_LIBRARY_SUFFIX := .dylib
+endif

make/autoconf/flags-cflags.m4

@@ -940,7 +940,7 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
   # ACLE and this flag are required to build the aarch64 SVE related functions in
   # libvectormath. Apple Silicon does not support SVE; use macOS as a proxy for
   # that check.
-  if test "x$OPENJDK_TARGET_CPU" = "xaarch64" && test "x$OPENJDK_TARGET_CPU" = "xlinux"; then
+  if test "x$OPENJDK_TARGET_CPU" = "xaarch64" && test "x$OPENJDK_TARGET_OS" = "xlinux"; then
     if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
       AC_LANG_PUSH(C)
       OLD_CFLAGS="$CFLAGS"
@@ -954,6 +954,17 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
           [
             AC_MSG_RESULT([yes])
             $2SVE_CFLAGS="-march=armv8-a+sve"
+            # Switching the initialization mode with gcc from 'pattern' to 'zero'
+            # avoids the use of unsupported `__builtin_clear_padding` for variable
+            # length aggregates
+            if test "x$DEBUG_LEVEL" != xrelease && test "x$TOOLCHAIN_TYPE" = xgcc ; then
+              INIT_ZERO_FLAG="-ftrivial-auto-var-init=zero"
+              FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$INIT_ZERO_FLAG],
+                IF_TRUE: [
+                  $2SVE_CFLAGS="${$2SVE_CFLAGS} $INIT_ZERO_FLAG"
+                ]
+              )
+            fi
           ],
           [
             AC_MSG_RESULT([no])

make/devkit/Makefile

@@ -39,7 +39,7 @@
 #
 # make TARGETS="aarch64-linux-gnu" BASE_OS=Fedora
 # or
-# make TARGETS="arm-linux-gnueabihf ppc64-linux-gnu" BASE_OS=Fedora BASE_OS_VERSION=17
+# make TARGETS="arm-linux-gnueabihf ppc64le-linux-gnu" BASE_OS=Fedora BASE_OS_VERSION=17
 #
 # to build several devkits for a specific OS version at once.
 # You can find the final results under ../../build/devkit/result/<host>-to-<target>
@@ -50,7 +50,7 @@
 # makefile again for cross compilation. Ex:
 #
 # PATH=$PWD/../../build/devkit/result/x86_64-linux-gnu-to-x86_64-linux-gnu/bin:$PATH \
-#    make TARGETS="arm-linux-gnueabihf,ppc64-linux-gnu" BASE_OS=Fedora
+#    make TARGETS="arm-linux-gnueabihf ppc64le-linux-gnu" BASE_OS=Fedora
 #
 # This is the makefile which iterates over all host and target platforms.
 #