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authorWaldemar Brodkorb <wbx@openadk.org>2020-04-06 08:46:41 (GMT)
committerWaldemar Brodkorb <wbx@openadk.org>2020-04-06 08:46:41 (GMT)
commit195e8d0d2ca8bdfcbc7ebcdb35cf6dcbb17e5cfd (patch)
tree09b0ff78b6e9d5531cc794cddcb1a4061204ef10
parent1c58c0086a8d9eff2eed2a945b726e2c50ddbe70 (diff)
tls: add aarch64 macros
-rw-r--r--test/tls/tls-macros-aarch64.h52
-rw-r--r--test/tls/tls-macros.h4
2 files changed, 56 insertions, 0 deletions
diff --git a/test/tls/tls-macros-aarch64.h b/test/tls/tls-macros-aarch64.h
new file mode 100644
index 0000000..41a1384
--- /dev/null
+++ b/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); })
+
diff --git a/test/tls/tls-macros.h b/test/tls/tls-macros.h
index 47e0b22..50a8b07 100644
--- a/test/tls/tls-macros.h
+++ b/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