From ed0dddbc941d3c0aebc0f61ee547d832d42034a3 Mon Sep 17 00:00:00 2001
From: Peter Shipton <Peter_Shipton@ca.ibm.com>
Date: Tue, 14 Jan 2020 11:53:20 -0500
Subject: [PATCH] Use com.ibm.jvm.io.ConsolePrintStream.localize for z/OS

Create the com.ibm.jzos module, and add some missing com.ibm.jzos.ZFile
stubs.

Skip the CI builds since there is an openjdk dependency and they won't
succeed.
[ci skip]

Signed-off-by: Peter Shipton <Peter_Shipton@ca.ibm.com>
---
 debugtools/DDR_VM/.classpath                  |  1 -
 jcl/jpp_configuration.xml                     |  9 +++++-
 .../share/classes}/com/ibm/jzos/ZFile.java    | 15 ++++++++-
 .../share/classes/module-info.java            | 32 +++++++++++++++++++
 .../share/classes/java/lang/System.java       |  6 ++--
 5 files changed, 57 insertions(+), 6 deletions(-)
 rename {debugtools/DDR_VM/src_stubs => jcl/src/com.ibm.jzos/share/classes}/com/ibm/jzos/ZFile.java (85%)
 create mode 100644 jcl/src/com.ibm.jzos/share/classes/module-info.java

diff --git a/debugtools/DDR_VM/.classpath b/debugtools/DDR_VM/.classpath
index d6bc280acf2..cea21c8f841 100644
--- a/debugtools/DDR_VM/.classpath
+++ b/debugtools/DDR_VM/.classpath
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="src" path="src_stubs"/>
 	<classpathentry kind="src" path="testsrc"/>
 	<classpathentry kind="lib" path="/binaries/common/ibm/ibmjzos.jar"/>
 	<classpathentry kind="lib" path="/binaries/vm/ibm/dtfj.pkg.tck-head.jar"/>
diff --git a/jcl/jpp_configuration.xml b/jcl/jpp_configuration.xml
index 67b4a12f65e..956c152d1dd 100644
--- a/jcl/jpp_configuration.xml
+++ b/jcl/jpp_configuration.xml
@@ -2,7 +2,7 @@
 <!DOCTYPE configurationreg SYSTEM "http://home.ottawa.ibm.com/teams/bluebird/web/eclipse_site/jpp.dtd">
 <!--
 /*******************************************************************************
- * Copyright (c) 2002, 2019 IBM Corp. and others
+ * Copyright (c) 2002, 2020 IBM Corp. and others
  *
  * This program and the accompanying materials are made available under
  * the terms of the Eclipse Public License 2.0 which accompanies this
@@ -82,6 +82,7 @@
 		  dependencies="SIDECAR18-SE"
 		  jdkcompliance="1.8">
 		<classpathentry kind="lib" path="/binaries/vm/third/rt-compressed.sun180.jar"/>
+		<source path="src/com.ibm.jzos/share/classes"/>
 		<source path="src/java.base/share/classes"/>
 		<source path="src/java.desktop/share/classes"/>
 		<source path="src/java.logging/share/classes"/>
@@ -106,6 +107,7 @@
 		  flags="Sidecar18-SE-OpenJ9, DAA, Open-Module-Support,Sidecar19-SE,Sidecar19-SE-OpenJ9,Java10,Java11"
 		  dependencies="SIDECAR18-SE"
 		  jdkcompliance="1.8">
+		<classpathentry kind="src" path="src/com.ibm.jzos/share/classes"/>
 		<classpathentry kind="src" path="src/java.base/share/classes"/>
 		<classpathentry kind="src" path="src/java.management/share/classes"/>
 		<classpathentry kind="src" path="src/jdk.attach/share/classes"/>
@@ -134,6 +136,7 @@
 		  flags="Java12,Java13"
 		  dependencies="JAVA11"
 		  jdkcompliance="1.8">
+		<classpathentry kind="src" path="src/com.ibm.jzos/share/classes"/>
 		<classpathentry kind="src" path="src/java.base/share/classes"/>
 		<classpathentry kind="src" path="src/java.management/share/classes"/>
 		<classpathentry kind="src" path="src/jdk.attach/share/classes"/>
@@ -162,6 +165,7 @@
 		  flags="Java14"
 		  dependencies="JAVA13"
 		  jdkcompliance="1.8">
+		<classpathentry kind="src" path="src/com.ibm.jzos/share/classes"/>
 		<classpathentry kind="src" path="src/java.base/share/classes"/>
 		<classpathentry kind="src" path="src/java.management/share/classes"/>
 		<classpathentry kind="src" path="src/jdk.attach/share/classes"/>
@@ -190,6 +194,7 @@
 		  flags="Java15"
 		  dependencies="JAVA14"
 		  jdkcompliance="1.8">
+		<classpathentry kind="src" path="src/com.ibm.jzos/share/classes"/>
 		<classpathentry kind="src" path="src/java.base/share/classes"/>
 		<classpathentry kind="src" path="src/java.management/share/classes"/>
 		<classpathentry kind="src" path="src/jdk.attach/share/classes"/>
@@ -218,6 +223,7 @@
 		  flags="OpenJ9-RawBuild"
 		  dependencies="JAVA11"
 		  jdkcompliance="1.8">
+		<classpathentry kind="src" path="src/com.ibm.jzos/share/classes"/>
 		<classpathentry kind="src" path="src/java.base/share/classes"/>
 		<classpathentry kind="src" path="src/java.management/share/classes"/>
 		<classpathentry kind="src" path="src/jdk.attach/share/classes"/>
@@ -246,6 +252,7 @@
 		  flags="Panama"
 		  dependencies="JAVA13"
 		  jdkcompliance="1.8">
+		<classpathentry kind="src" path="src/com.ibm.jzos/share/classes"/>
 		<classpathentry kind="src" path="src/java.base/share/classes"/>
 		<classpathentry kind="src" path="src/java.management/share/classes"/>
 		<classpathentry kind="src" path="src/jdk.attach/share/classes"/>
diff --git a/debugtools/DDR_VM/src_stubs/com/ibm/jzos/ZFile.java b/jcl/src/com.ibm.jzos/share/classes/com/ibm/jzos/ZFile.java
similarity index 85%
rename from debugtools/DDR_VM/src_stubs/com/ibm/jzos/ZFile.java
rename to jcl/src/com.ibm.jzos/share/classes/com/ibm/jzos/ZFile.java
index 66533025394..8cf8abd4d86 100644
--- a/debugtools/DDR_VM/src_stubs/com/ibm/jzos/ZFile.java
+++ b/jcl/src/com.ibm.jzos/share/classes/com/ibm/jzos/ZFile.java
@@ -1,5 +1,6 @@
+/*[INCLUDE-IF PLATFORM-mz31|PLATFORM-mz64]*/
 /*******************************************************************************
- * Copyright (c) 2019, 2019 IBM Corp. and others
+ * Copyright (c) 2019, 2020 IBM Corp. and others
  *
  * This program and the accompanying materials are made available under
  * the terms of the Eclipse Public License 2.0 which accompanies this
@@ -50,10 +51,22 @@ public byte[] getPos() throws IOException {
 		return new byte[] { 0 };
 	}
 
+	public long getRecordCount() throws IOException {
+		return 0;
+	}
+	
 	public int read(byte[] buffer) throws IOException {
 		return 0;
 	}
 
+	public int read(byte[] buf, int offset, int len) throws IOException {
+		return 0;
+	}
+
+	public void seek(long offset, int origin) throws IOException {
+		return;
+	}
+
 	public void setPos(byte[] position) throws IOException {
 		return;
 	}
diff --git a/jcl/src/com.ibm.jzos/share/classes/module-info.java b/jcl/src/com.ibm.jzos/share/classes/module-info.java
new file mode 100644
index 00000000000..408cf413742
--- /dev/null
+++ b/jcl/src/com.ibm.jzos/share/classes/module-info.java
@@ -0,0 +1,32 @@
+/*[INCLUDE-IF Sidecar19-SE&(PLATFORM-mz31|PLATFORM-mz64)]*/
+/*******************************************************************************
+ * Copyright (c) 2020, 2020 IBM Corp. and others
+ *
+ * This program and the accompanying materials are made available under
+ * the terms of the Eclipse Public License 2.0 which accompanies this
+ * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
+ * or the Apache License, Version 2.0 which accompanies this distribution and
+ * is available at https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * This Source Code may also be made available under the following
+ * Secondary Licenses when the conditions for such availability set
+ * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
+ * General Public License, version 2 with the GNU Classpath
+ * Exception [1] and GNU General Public License, version 2 with the
+ * OpenJDK Assembly Exception [2].
+ *
+ * [1] https://www.gnu.org/software/classpath/license.html
+ * [2] http://openjdk.java.net/legal/assembly-exception.html
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
+ *******************************************************************************/
+
+/*[REM] This file must not use tabs because the dependency recognition code in openjdk does not support them. */
+
+/**
+ * Provides access to z/OS datasets.
+ */
+module com.ibm.jzos {
+  requires java.base;
+  exports com.ibm.jzos;
+}
diff --git a/jcl/src/java.base/share/classes/java/lang/System.java b/jcl/src/java.base/share/classes/java/lang/System.java
index 13ccbe578a2..457deb91a0a 100644
--- a/jcl/src/java.base/share/classes/java/lang/System.java
+++ b/jcl/src/java.base/share/classes/java/lang/System.java
@@ -1,6 +1,6 @@
 /*[INCLUDE-IF Sidecar18-SE]*/
 /*******************************************************************************
- * Copyright (c) 1998, 2019 IBM Corp. and others
+ * Copyright (c) 1998, 2020 IBM Corp. and others
  *
  * This program and the accompanying materials are made available under
  * the terms of the Eclipse Public License 2.0 which accompanies this
@@ -177,7 +177,7 @@ static void afterClinitInitialization() {
 		/*[ELSE]*/
 		StringCoding.encode(new char[1], 0, 1);
 		/*[ENDIF]*/
-		/*[IF Sidecar18-SE-OpenJ9|Sidecar19-SE]*/
+		/*[IF (Sidecar18-SE-OpenJ9|Sidecar19-SE)&!(PLATFORM-mz31|PLATFORM-mz64)]*/
 		setErr(new PrintStream(new BufferedOutputStream(new FileOutputStream(FileDescriptor.err)), true));
 		setOut(new PrintStream(new BufferedOutputStream(new FileOutputStream(FileDescriptor.out)), true));
 		/*[IF Sidecar19-SE_RAWPLUSJ9]*/
@@ -220,7 +220,7 @@ static void completeInitialization() {
 	}
 	/*[ENDIF]*/ // Sidecar18-SE-OpenJ9
 	
-	/*[IF Sidecar18-SE-OpenJ9|Sidecar19-SE]*/
+	/*[IF (Sidecar18-SE-OpenJ9|Sidecar19-SE)&!(PLATFORM-mz31|PLATFORM-mz64)]*/
 	setIn(new BufferedInputStream(new FileInputStream(FileDescriptor.in)));
 	/*[ELSE]*/
 	/*[PR 100718] Initialize System.in after the main thread*/