Merge commit 'refs/top-bases/t/bigmem' into t/bigmem

1 files changed, 45 insertions, 0 deletions

diff --git a/sysdeps/ia64/dl-fptr.h b/sysdeps/ia64/dl-fptr.h
new file mode 100644
index 0000000000..9330fed2a4
--- /dev/null
+++ b/sysdeps/ia64/dl-fptr.h
@@ -0,0 +1,45 @@
+/* Function descriptors.  IA64 version.
+   Copyright (C) 2003-2015 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef dl_ia64_fptr_h
+#define dl_ia64_fptr_h 1
+
+#include <ia64intrin.h>
+#include <sysdeps/generic/dl-fptr.h>
+
+#define COMPARE_AND_SWAP(ptr, old, new)	\
+  __sync_bool_compare_and_swap (ptr, old, new)
+
+/* There are currently 123 dynamic symbols in ld.so.
+   ELF_MACHINE_BOOT_FPTR_TABLE_LEN needs to be at least that big.  */
+#define ELF_MACHINE_BOOT_FPTR_TABLE_LEN	200
+
+#define ELF_MACHINE_LOAD_ADDRESS(var, symbol)	\
+  asm ("movl %0 = @gprel (" #symbol ");; add %0 = %0, gp" : "=&r" (var));
+
+/* We don't have a gcc helper to extract the plabel info.  */
+#define ELF_PTR_TO_FDESC(ptr) \
+  ({ union { \
+       void *_ptr; \
+       struct fdesc *_fdesc; \
+     } _u; \
+     _u._ptr = ptr; \
+     _u._fdesc; \
+  })
+
+#endif /* !dl_ia64_fptr_h */