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authorWaldemar Brodkorb <wbx@openadk.org>2020-04-27 10:37:25 (GMT)
committerWaldemar Brodkorb <wbx@openadk.org>2020-04-27 10:38:14 (GMT)
commit2e5ded70c26c831c587f3e7574df11a84864ef22 (patch)
tree677f11f83fe5b5522cb8bf07cbb27e2b53774e59
parent195e8d0d2ca8bdfcbc7ebcdb35cf6dcbb17e5cfd (diff)
add riscv macros from glibc
-rw-r--r--test/tls/tls-macros-riscv.h48
-rw-r--r--test/tls/tls-macros.h4
2 files changed, 52 insertions, 0 deletions
diff --git a/test/tls/tls-macros-riscv.h b/test/tls/tls-macros-riscv.h
new file mode 100644
index 0000000..d18f923
--- /dev/null
+++ b/test/tls/tls-macros-riscv.h
@@ -0,0 +1,48 @@
+/* Macros to support TLS testing in times of missing compiler support.
+ Copyright (C) 2017-2020 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/>. */
+
+
+#include <sys/cdefs.h>
+#include <sys/asm.h>
+#include <sysdep.h>
+#include "dl-tls.h"
+
+#define TLS_GD(x) \
+ ({ void *__result; \
+ asm ("la.tls.gd %0, " #x "\n\t" \
+ : "=r" (__result)); \
+ __tls_get_addr (__result); })
+
+#define TLS_LD(x) TLS_GD(x)
+
+#define TLS_IE(x) \
+ ({ void *__result; \
+ asm ("la.tls.ie %0, " #x "\n\t" \
+ "add %0, %0, tp\n\t" \
+ : "=r" (__result)); \
+ __result; })
+
+#define TLS_LE(x) \
+ ({ void *__result; \
+ asm ("lui %0, %%tprel_hi(" #x ")\n\t" \
+ "add %0, %0, tp, %%tprel_add(" #x ")\n\t" \
+ "addi %0, %0, %%tprel_lo(" #x ")\n\t" \
+ : "=r" (__result)); \
+ __result; })
+
diff --git a/test/tls/tls-macros.h b/test/tls/tls-macros.h
index 50a8b07..d46f407 100644
--- a/test/tls/tls-macros.h
+++ b/test/tls/tls-macros.h
@@ -68,6 +68,10 @@
#include <tls-macros-powerpc64.h>
#endif
+#ifdef __riscv__
+#include <tls-macros-riscv.h>
+#endif
+
#ifdef __sh__
#include <tls-macros-sh.h>
#endif