add riscv macros from glibc

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