tls: add aarch64 macros

test/tls/tls-macros-aarch64.h

@@ -0,0 +1,52 @@
+/* Copyright (C) 2009-2020 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
+   <https://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", "cc");                     \
+     (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); })
+

test/tls/tls-macros.h

@@ -16,6 +16,10 @@
 /* XXX Until we get compiler support we don't need declarations.  */
 #define VAR_INT_DECL(x)
 
+#ifdef __aarch64__
+#include <tls-macros-aarch64.h>
+#endif
+
 #ifdef __alpha__
 #include <tls-macros-alpha.h>
 #endif