GlueGen proper size / alignment of primitive and compound types usage [1/2] - Preparation.

Currently GlueGen fails for type long (size) and some alignments (see package.html).
  - The size and alignment values shall be queried at runtime.
  - Compound alignment needs to follow the described natural alignment (also @runtime).
  -

- Build
  - add Linux Arm7 (EABI)

- junit test
  - added compound/struct tests, pointing out the shortcomings of current impl.

- package.html
  - Added alignment documentation

- remove intptr.cfg

- add GluGen types int8_t, int16_t, uint8_t, uint16_t

- move MachineDescription* into runtime

- Platform
  - has runtime MachineDescription

  - moved size, .. to MachineDescription

  - use enums for OSType, CPUArch and CPUType defined by os.name/os.arch,
    triggering exception if os/arch is not supported.
    This avoids Java String comparison and conscious os/arch detection.

- MachineDescription:

  - compile time instances MachineDescription32Bits, MachineDescription64Bits

  - runtime queried instance MachineDescriptionRuntime

     - correct size, alignment, page size, ..

2 files changed, 10 insertions, 13 deletions

diff --git a/src/java/com/jogamp/common/util/IOUtil.java b/src/java/com/jogamp/common/util/IOUtil.java
index b2d9ed4..5b00fb4 100644
--- a/src/java/com/jogamp/common/util/IOUtil.java
+++ b/src/java/com/jogamp/common/util/IOUtil.java
@@ -42,6 +42,7 @@ import java.net.URLConnection;
 import java.nio.ByteBuffer;
 
 import com.jogamp.common.nio.Buffers;
+import com.jogamp.common.os.MachineDescription;
 import com.jogamp.common.os.Platform;
 
 public class IOUtil {
@@ -81,7 +82,7 @@ public class IOUtil {
      * number of bytes written is returned.
      */
     public static int copyStream2Stream(InputStream in, OutputStream out, int totalNumBytes) throws IOException {
-        final byte[] buf = new byte[Platform.getPageSize()];
+        final byte[] buf = new byte[Platform.getMachineDescription().pageSizeInBytes()];
         int numBytes = 0;
         while (true) {
             int count;
@@ -137,16 +138,16 @@ public class IOUtil {
         if( !(stream instanceof BufferedInputStream) ) {
             stream = new BufferedInputStream(stream);
         }
-        int totalRead = 0;
         int avail = stream.available();
-        ByteBuffer data = Buffers.newDirectByteBuffer( Platform.getPageAlignedSize(avail) );
-        byte[] chunk = new byte[Platform.getPageSize()];
-        int chunk2Read = Math.min(Platform.getPageSize(), avail);
+        final MachineDescription machine = Platform.getMachineDescription(); 
+        ByteBuffer data = Buffers.newDirectByteBuffer( machine.pageAlignedSize(avail) );
+        byte[] chunk = new byte[machine.pageSizeInBytes()];
+        int chunk2Read = Math.min(machine.pageSizeInBytes(), avail);
         int numRead = 0;
         do {
             if (avail > data.remaining()) {
-                final ByteBuffer newData = Buffers.newDirectByteBuffer( 
-                                               Platform.getPageAlignedSize(data.position() + avail) );
+                final ByteBuffer newData = Buffers.newDirectByteBuffer(
+                                               machine.pageAlignedSize(data.position() + avail) );
                 newData.put(data);
                 data = newData;
             }
@@ -154,10 +155,9 @@ public class IOUtil {
             numRead = stream.read(chunk, 0, chunk2Read);
             if (numRead >= 0) {
                 data.put(chunk, 0, numRead);
-                totalRead += numRead;
             }
             avail = stream.available();
-            chunk2Read = Math.min(Platform.getPageSize(), avail);
+            chunk2Read = Math.min(machine.pageSizeInBytes(), avail);
         } while (avail > 0 && numRead >= 0);
 
         data.flip();
diff --git a/src/java/com/jogamp/common/util/VersionUtil.java b/src/java/com/jogamp/common/util/VersionUtil.java
index 632e127..1589755 100644
--- a/src/java/com/jogamp/common/util/VersionUtil.java
+++ b/src/java/com/jogamp/common/util/VersionUtil.java
@@ -57,10 +57,7 @@ public class VersionUtil {
         sb.append(Platform.getArch()).append(" (arch) ").append(Runtime.getRuntime().availableProcessors()).append(" cores");
         sb.append(Platform.getNewline());
 
-        // arch
-        sb.append("Platform: littleEndian ").append(Platform.isLittleEndian()).append(", 32Bit ");
-        sb.append(Platform.is32Bit()).append(", a-ptr bit-size ").append(Platform.getPointerSizeInBits());
-        sb.append(Platform.getNewline());
+        Platform.getMachineDescription().toString(sb).append(Platform.getNewline());
 
         // JVM/JRE
         sb.append("Platform: Java ").append(Platform.getJavaVersion()).append(", ").append(System.getProperty("java.vm.name")).append(", ");