# HG changeset patch
# User twisti
# Date 1375759232 25200
# Node ID 3718acd022dbd0f91ca7738bf2504f511b4cfea5
# Parent  dba746f54e6aea688f287a633c7ef808ef60cb3e
fix HotSpotMethodData to read the correct values on little and big endian

diff -r dba746f54e6a -r 3718acd022db graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotMethodData.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotMethodData.java	Mon Aug 05 23:46:06 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotMethodData.java	Mon Aug 05 20:20:32 2013 -0700
@@ -124,9 +124,14 @@
         return unsafe.getShort(metaspaceMethodData + fullOffsetInBytes) & 0xFFFF;
     }
 
+    /**
+     * Since the values are stored in cells (platform words) this method uses
+     * {@link HotSpotGraalRuntime#unsafeReadWord} to read the right value on both little and big
+     * endian machines.
+     */
     private long readUnsignedInt(int position, int offsetInBytes) {
         long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
-        return unsafe.getInt(metaspaceMethodData + fullOffsetInBytes) & 0xFFFFFFFFL;
+        return unsafeReadWord(metaspaceMethodData + fullOffsetInBytes) & 0xFFFFFFFFL;
     }
 
     private int readUnsignedIntAsSignedInt(int position, int offsetInBytes) {
@@ -134,9 +139,14 @@
         return truncateLongToInt(value);
     }
 
+    /**
+     * Since the values are stored in cells (platform words) this method uses
+     * {@link HotSpotGraalRuntime#unsafeReadWord} to read the right value on both little and big
+     * endian machines.
+     */
     private int readInt(int position, int offsetInBytes) {
         long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
-        return unsafe.getInt(metaspaceMethodData + fullOffsetInBytes);
+        return (int) unsafeReadWord(metaspaceMethodData + fullOffsetInBytes);
     }
 
     private long readWord(int position, int offsetInBytes) {