[glibc] Add NEWS entry about the new AArch64 IFUNC resolver call ABI

[glibc] Add NEWS entry about the new AArch64 IFUNC resolver call ABI

[Szabolcs Nagy]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dcf36bcad3f283f77893d3b157ef7bb2c99419f2

commit dcf36bcad3f283f77893d3b157ef7bb2c99419f2
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date:   Mon Jul 22 10:14:16 2019 +0100

    Add NEWS entry about the new AArch64 IFUNC resolver call ABI
    
    The new IFUNC resolver call ABI was introduced in
    
    commit 2b8a3c86e7606cf1b0a997dad8af2d45ae8989c3
    Commit:     Szabolcs Nagy <szabolcs.nagy@arm.com>
    CommitDate: 2019-07-04 11:13:32 +0100
    
        aarch64: new ifunc resolver ABI
    
    See the commit log and the comments in sys/ifunc.h for details.

Diff:
---
 ChangeLog | 4 ++++
 NEWS      | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index a1fdef9..8fc3ef3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2019-07-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
+
+	* NEWS: Mention the AArch64 IFUNC resolver ABI change.
+
 2019-07-20  Egor Kobylkin  <egor@kobylkin.com>
 
 	[BZ #2872]
diff --git a/NEWS b/NEWS
index 6d731b1..ddc800b 100644
--- a/NEWS
+++ b/NEWS
@@ -49,6 +49,10 @@ Major new features:
   time of the wait (unlike with pthread_condattr_setclock, which requires
   the clock choice at initialization time).
 
+* On AArch64 the GNU IFUNC resolver call ABI changed: old resolvers still
+  work, new resolvers can use a second argument which can be extended in
+  the future, currently it contains the AT_HWCAP2 value.
+
 Deprecated and removed features, and other changes affecting compatibility:
 
 * The copy_file_range function fails with ENOSYS if the kernel does not