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-rw-r--r--libitm/config/linux/sparc/futex_bits.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/libitm/config/linux/sparc/futex_bits.h b/libitm/config/linux/sparc/futex_bits.h
new file mode 100644
index 00000000000..5881de4fcea
--- /dev/null
+++ b/libitm/config/linux/sparc/futex_bits.h
@@ -0,0 +1,62 @@
+/* Copyright (C) 2012 Free Software Foundation, Inc.
+
+ This file is part of the GNU Transactional Memory Library (libitm).
+
+ Libitm is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ Libitm 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 General Public License for
+ more details.
+
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sys/syscall.h>
+
+static inline long
+sys_futex0 (std::atomic<int> *addr, int op, int val)
+{
+ register long int g1 __asm__ ("g1");
+ register long int o0 __asm__ ("o0");
+ register long int o1 __asm__ ("o1");
+ register long int o2 __asm__ ("o2");
+ register long int o3 __asm__ ("o3");
+ long res;
+
+ g1 = SYS_futex;
+ o0 = (long) addr;
+ o1 = op;
+ o2 = val;
+ o3 = 0;
+
+#ifdef __arch64__
+ __asm volatile ("ta 0x6d"
+#else
+ __asm volatile ("ta 0x10"
+#endif
+ : "=r"(g1), "=r"(o0)
+ : "0"(g1), "1"(o0), "r"(o1), "r"(o2), "r"(o3)
+ : "g2", "g3", "g4", "g5", "g6",
+ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
+ "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
+ "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
+ "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
+ "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46",
+ "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62",
+ "cc", "memory");
+
+ res = o0;
+ if (__builtin_expect ((unsigned long) res >= -515UL, 0))
+ res =- res;
+ return res;
+}