JEP500 add --enable-final-field-mutation/--illegal-final-field-mutation

Use addPropertiesForOptionWithAssignArg() to find all
--enable-final-field-mutation options,
addPropertyForOptionWithEqualsArg() to find and consume the last
--illegal-final-field-mutation options.

Signed-off-by: Jason Feng <[email protected]>

Author: JasonFengJ9

runtime/oti/jvminit.h

@@ -704,6 +704,10 @@ enum INIT_STAGE {
 #define VMOPT_ILLEGAL_ACCESS "--illegal-access="
 #define VMOPT_ENABLE_NATIVE_ACCESS "--enable-native-access"
 #define VMOPT_ILLEGAL_NATIVE_ACCESS "--illegal-native-access="
+#if JAVA_SPEC_VERSION >= 26
+#define VMOPT_ENABLE_FINAL_FIELD_MUTATION "--enable-final-field-mutation"
+#define VMOPT_ILLEGAL_FINAL_FIELD_MUTATION "--illegal-final-field-mutation="
+#endif /* JAVA_SPEC_VERSION >= 26 */
 
 /* JEP 421: Deprecate Finalization for Removal */
 #define VMOPT_DISABLE_FINALIZATION "--finalization="
@@ -744,6 +748,12 @@ enum INIT_STAGE {
 #define SYSPROP_SUN_MISC_UNSAFE_MEMORY_ACCESS "sun.misc.unsafe.memory.access"
 #endif /* JAVA_SPEC_VERSION >= 23 */
 #define SYSPROP_JDK_MODULE_ILLEGALNATIVEACCESS "jdk.module.illegal.native.access"
+#if JAVA_SPEC_VERSION >= 26
+/* Match the system properties in jdk.internal.module.ModuleBootstrap.decodeEnableFinalFieldMutation(). */
+#define SYSPROP_JDK_MODULE_ENABLEL_FINAL_FIELD_MUTATION "jdk.module.enable.final.field.mutation."
+/* Match the system properties in jdk.internal.module.ModuleBootstrap.decodeIllegalFinalFieldMutation(). */
+#define SYSPROP_JDK_MODULE_ILLEGAL_FINAL_FIELD_MUTATION "jdk.module.illegal.final.field.mutation"
+#endif /* JAVA_SPEC_VERSION >= 26 */
 #define JAVA_BASE_MODULE "java.base"
 
 #define SYSPROP_COM_SUN_MANAGEMENT "-Dcom.sun.management."

runtime/vm/vmprops.c

@@ -552,6 +552,22 @@ addModularitySystemProperties(J9JavaVM *vm)
 	}
 #endif /* JAVA_SPEC_VERSION >= 24 */
 
+#if JAVA_SPEC_VERSION >= 26
+	/* Find all --enable-final-field-mutation options. */
+	rc = addPropertiesForOptionWithAssignArg(vm, VMOPT_ENABLE_FINAL_FIELD_MUTATION, LITERAL_STRLEN(VMOPT_ENABLE_FINAL_FIELD_MUTATION),
+			SYSPROP_JDK_MODULE_ENABLEL_FINAL_FIELD_MUTATION, LITERAL_STRLEN(SYSPROP_JDK_MODULE_ENABLEL_FINAL_FIELD_MUTATION), NULL);
+	if (J9SYSPROP_ERROR_NONE != rc) {
+		goto _end;
+	}
+
+	/* Find and consume the last --illegal-final-field-mutation options. */
+	rc = addPropertyForOptionWithEqualsArg(vm, VMOPT_ILLEGAL_FINAL_FIELD_MUTATION, LITERAL_STRLEN(VMOPT_ILLEGAL_FINAL_FIELD_MUTATION),
+			SYSPROP_JDK_MODULE_ILLEGAL_FINAL_FIELD_MUTATION);
+	if (J9SYSPROP_ERROR_NONE != rc) {
+		goto _end;
+	}
+#endif /* JAVA_SPEC_VERSION >= 17 */
+
 	/* Find last --illegal-access */
 	rc = addPropertyForOptionWithEqualsArg(vm, VMOPT_ILLEGAL_ACCESS, LITERAL_STRLEN(VMOPT_ILLEGAL_ACCESS), SYSPROP_JDK_MODULE_ILLEGALACCESS);