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authorSzabolcs Nagy <szabolcs.nagy@arm.com>2019-07-22 10:14:16 +0100
committerSzabolcs Nagy <szabolcs.nagy@arm.com>2019-07-22 10:33:39 +0100
commitdcf36bcad3f283f77893d3b157ef7bb2c99419f2 (patch)
tree2cfeeccd9efcb9922fff5cf0e9faecb669022323 /NEWS
parentc7e4b684e77323d1ef85dcdde8a41411ebe3b581 (diff)
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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.
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@@ -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