5 Apr
2020
5 Apr
'20
11:35 a.m.
Signed-off-by: Yann Sionneau <yann(a)sionneau.net>
---
test/tls/tls-macros-or1k.h | 75 ++++++++++++++++++++++++++++++++++++++
test/tls/tls-macros.h | 4 ++
2 files changed, 79 insertions(+)
create mode 100644 test/tls/tls-macros-or1k.h
diff --git a/test/tls/tls-macros-or1k.h b/test/tls/tls-macros-or1k.h
new file mode 100644
index 0000000..dcf78d6
--- /dev/null
+++ b/test/tls/tls-macros-or1k.h
@@ -0,0 +1,75 @@
+/* Macros to support TLS testing, OpenRISC version.
+ Copyright (C) 2019 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_LOAD_GOT \
+ ({ register long lr __asm__ ("r9"); \
+ long got; \
+ asm ("l.jal 0x8\n\t" \
+ " l.movhi %0, gotpchi(_GLOBAL_OFFSET_TABLE_-4)\n\t" \
+ "l.ori %0, %0, gotpclo(_GLOBAL_OFFSET_TABLE_+0)\n\t" \
+ "l.add %0, %0, %1" \
+ : "=r" (got), "=r" (lr)); \
+ got; })
+
+/* General Dynamic:
+ l.movhi r17, tlsgdhi(symbol)
+ l.ori r17, r17, tlsgdlo(symbol)
+ l.add r17, r17, r16
+ l.or r3, r17, r17
+ l.jal plt(__tls_get_addr)
+ l.nop */
+
+#define TLS_GD(x) \
+ ({ void *__tlsgd; \
+ extern void *__tls_get_addr (void *); \
+ asm ("l.movhi %0, tlsgdhi(" #x ")\n\t" \
+ "l.ori %0, %0, tlsgdlo(" #x ")\n\t" \
+ : "=r" (__tlsgd)); \
+ (int *) __tls_get_addr (TLS_LOAD_GOT + __tlsgd); })
+
+#define TLS_LD(x) TLS_GD(x)
+
+/* Initial Exec:
+ l.movhi r17, gottpoffhi(symbol)
+ l.add r17, r17, r16
+ l.lwz r17, gottpofflo(symbol)(r17)
+ l.add r17, r17, r10
+ l.lbs r17, 0(r17) */
+
+#define TLS_IE(x) \
+ ({ register long __tls __asm__ ("r10"); \
+ void *__tlsie; \
+ asm ("l.movhi %0, gottpoffhi(" #x ")\n\t" \
+ "l.add %0, %0, %1\n\t" \
+ "l.lwz %0, gottpofflo(" #x ")(%0)\n\t" \
+ "l.add %0, %0, %2\n\t" \
+ : "=&r" (__tlsie) : "r" (TLS_LOAD_GOT), \
+ "r" (__tls) : "memory"); \
+ __tlsie; })
+
+/* Local Exec:
+ l.movhi r17, tpoffha(symbol)
+ l.add r17, r17, r10
+ l.addi r17, r17, tpofflo(symbol)
+ l.lbs r17, 0(r17) */
+
+#define TLS_LE(x) \
+ ({ register long __tls __asm__ ("r10"); \
+ void *__tlsle; \
+ asm ("l.movhi %0, tpoffha(" #x ")\n\t" \
+ "l.add %0, %0, %1\n\t" \
+ "l.addi %0, %0, tpofflo(" #x ")\n\t" \
+ : "=&r" (__tlsle) : "r" (__tls) : "memory"); \
+ __tlsle; })
diff --git a/test/tls/tls-macros.h b/test/tls/tls-macros.h
index 9053d8d..71e8ef4 100644
--- a/test/tls/tls-macros.h
+++ b/test/tls/tls-macros.h
@@ -76,6 +76,10 @@
#include <tls-macros-xtensa.h>
#endif
+#ifdef __or1k__
+#include <tls-macros-or1k.h>
+#endif
+
#if !defined TLS_LE || !defined TLS_IE \
|| !defined TLS_LD || !defined TLS_GD
# error "No support for this architecture so far."
--
2.17.1