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 --git a/ChangeLog b/ChangeLog
index a1fdef9cff1bb816355f60e0aeed4688ece05919..8fc3ef3acac6ea816efb971f15e96f7fcd85a2fb 100644 (file)
--- 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 6d731b156d114ba8b1f846127f4b76f07282f0c8..ddc800ba59a2cef9011e1dd68c1ffa1f704ee622 100644 (file)
--- 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