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-rw-r--r--ports/sysdeps/aarch64/tls-macros.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/ports/sysdeps/aarch64/tls-macros.h b/ports/sysdeps/aarch64/tls-macros.h
new file mode 100644
index 0000000000..b8f889ba17
--- /dev/null
+++ b/ports/sysdeps/aarch64/tls-macros.h
@@ -0,0 +1,51 @@
+/* Copyright (C) 2009-2012 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/>.  */
+
+#define TLS_LD(x) TLS_GD(x)
+
+#define TLS_GD(x)					\
+  ({ register unsigned long __result asm ("x0");	\
+     asm ("adrp	%0, :tlsgd:" #x "; "			\
+	  "add	%0, %0, #:tlsgd_lo12:" #x "; "		\
+	  "bl	__tls_get_addr;"			\
+	  "nop"						\
+	  : "=r" (__result)				\
+	  :						\
+	  : "x1", "x2", "x3", "x4", "x5", "x6",		\
+	    "x7", "x8", "x9", "x10", "x11", "x12",	\
+	    "x13", "x14", "x15", "x16", "x17", "x18",	\
+	    "x30", "memory");				\
+     (int *) (__result); })
+
+#define TLS_IE(x)					\
+  ({ register unsigned long __result asm ("x0");	\
+     register unsigned long __t;			\
+     asm ("mrs	%1, tpidr_el0; "			\
+	  "adrp	%0, :gottprel:" #x "; "			\
+	  "ldr	%0, [%0, #:gottprel_lo12:" #x "]; "	\
+	  "add	%0, %0, %1"				\
+	  : "=r" (__result), "=r" (__t));		\
+     (int *) (__result); })
+
+#define TLS_LE(x)					\
+  ({ register unsigned long __result asm ("x0");	\
+     asm ("mrs	%0, tpidr_el0; "			\
+	  "add	%0, %0, :tprel_hi12:" #x "; "		\
+	  "add	%0, %0, :tprel_lo12_nc:" #x		\
+	  : "=r" (__result));				\
+     (int *) (__result); })