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Description: Adds Unsafe methods from S8158260
In order to fix the PPC64 bug S8158260 two new native methods were
added to sun.misc.Unsafe: isBigEndian0 and unalignedAcces0.
Both were added by the following commit:
http://icedtea.classpath.org/hg/release/icedtea7-forest-2.6/hotspot/rev/4f8cbd54a9c6
.
This patch adds those methods to the JAMVM being used by IcedTea.
Author: Tiago Stürmer Daitx <tiago.daitx@canonical.com>
Bug: https://sourceforge.net/p/jamvm/code/merge-requests/1/
Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=833933
Bug-IcedTea: http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=3134
Bug-Ubuntu: https://bugs.launchpad.net/openjdk/+bug/1611598
Last-Update: 2016-08-09
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- /dev/null
+++ b/patches/jamvm/8158260-fix.patch
@@ -0,0 +1,36 @@
+--- jamvm.orig/jamvm/src/classlib/openjdk/natives.c 2014-03-24 21:34:58.000000000 -0300
++++ jamvm/jamvm/src/classlib/openjdk/natives.c 2016-08-09 19:26:36.205775539 -0300
+@@ -34,6 +33,7 @@
+ #include "reflect.h"
+ #include "natives.h"
+ #include "openjdk.h"
++#include "properties.h"
+ #include "trace.h"
+
+ int classlibInitialiseNatives() {
+@@ -470,6 +465,16 @@
+ return ostack;
+ }
+
++uintptr_t *isBigEndian0(Class *clazz, MethodBlock *mb, uintptr_t *ostack) {
++ *ostack++ = IS_BIG_ENDIAN;
++ return ostack;
++}
++
++uintptr_t *unalignedAccess0(Class *clazz, MethodBlock *mb, uintptr_t *ostack) {
++ *ostack++ = FALSE;
++ return ostack;
++}
++
+ VMMethod sun_misc_unsafe[] = {
+ {"registerNatives", "()V", unsafeRegisterNatives},
+ {"objectFieldOffset", "(Ljava/lang/reflect/Field;)J",
+@@ -569,6 +574,8 @@
+ {"fullFence", "()V", fullFence},
+ {"loadFence", "()V", loadFence},
+ {"storeFence", "()V", storeFence},
++ {"isBigEndian0", "()Z", isBigEndian0},
++ {"unalignedAccess0", "()Z", unalignedAccess0},
+ {NULL, NULL, NULL}
+ };
+
--- a/Makefile.am
+++ b/Makefile.am
@@ -404,7 +404,8 @@ endif
if BUILD_JAMVM
ICEDTEA_PATCHES += \
patches/jamvm/noexecstack.patch \
- patches/jamvm/pr2665.patch
+ patches/jamvm/pr2665.patch \
+ patches/jamvm/8158260-fix.patch
endif
if ENABLE_NSS
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