1 files changed, 136 insertions, 0 deletions
diff --git a/gcc-4.9/libcilkrts/runtime/jmpbuf.h b/gcc-4.9/libcilkrts/runtime/jmpbuf.h
new file mode 100644
index 000000000..60573f3a5
--- /dev/null
+++ b/gcc-4.9/libcilkrts/runtime/jmpbuf.h
@@ -0,0 +1,136 @@
+/* jmpbuf.h                  -*-C++-*-
+ *
+ *************************************************************************
+ *
+ *  @copyright
+ *  Copyright (C) 2009-2013, Intel Corporation
+ *  All rights reserved.
+ *  
+ *  @copyright
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *  
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in
+ *      the documentation and/or other materials provided with the
+ *      distribution.
+ *    * Neither the name of Intel Corporation nor the names of its
+ *      contributors may be used to endorse or promote products derived
+ *      from this software without specific prior written permission.
+ *  
+ *  @copyright
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ *  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
+ *  WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *  POSSIBILITY OF SUCH DAMAGE.
+ **************************************************************************/
+
+/**
+ * @file jmpbuf.h
+ *
+ * @brief Macros and functions to access the _JUMP_BUFFER initialized by a 
+ * call to CILK_SETJMP before a cilk_spawn or cilk_sync.  The definition of
+ * CILK_SETJMP and CILK_LONGJMP are OS dependent and in abi.h
+ *
+ */
+
+#ifndef INCLUDED_JMPBUF_DOT_H
+#define INCLUDED_JMPBUF_DOT_H
+
+#include <cilk/common.h>
+#include <internal/abi.h>
+#include <stddef.h>
+#include <setjmp.h>
+
+#if 0 /* defined CILK_USE_C_SETJMP && defined JB_RSP */
+#   define JMPBUF_SP(ctx) (ctx)[0].__jmpbuf[JB_RSP]
+#   define JMPBUF_FP(ctx) (ctx)[0].__jmpbuf[JB_RBP]
+#   define JMPBUF_PC(ctx) (ctx)[0].__jmpbuf[JB_PC]
+#elif 0 /* defined CILK_USE_C_SETJMP && defined JB_SP */
+#   define JMPBUF_SP(ctx) (ctx)[0].__jmpbuf[JB_SP]
+#   define JMPBUF_FP(ctx) (ctx)[0].__jmpbuf[JB_BP]
+#   define JMPBUF_PC(ctx) (ctx)[0].__jmpbuf[JB_PC]
+#elif defined _WIN64
+#   define JMPBUF_SP(ctx) ((_JUMP_BUFFER*)(&(ctx)))->Rsp
+#   define JMPBUF_FP(ctx) ((_JUMP_BUFFER*)(&(ctx)))->Rbp
+#   define JMPBUF_PC(ctx) ((_JUMP_BUFFER*)(&(ctx)))->Rip
+#elif defined _WIN32
+    /** Fetch stack pointer from a __cilkrts_stack_frame */
+#   define JMPBUF_SP(ctx) (ctx).Esp
+    /** Fetch frame pointer from a __cilkrts_stack_frame */
+#   define JMPBUF_FP(ctx) (ctx).Ebp
+    /** Fetch program counter from a __cilkrts_stack_frame */
+#   define JMPBUF_PC(ctx) (ctx).Eip
+#else /* defined __GNUC__ || defined __ICC */
+    /* word 0 is frame address
+     * word 1 is resume address
+     * word 2 is stack address */
+#   define JMPBUF_FP(ctx) (ctx)[0]
+#   define JMPBUF_PC(ctx) (ctx)[1]
+#   define JMPBUF_SP(ctx) (ctx)[2]
+#endif
+
+/**
+ * @brief Get frame pointer from jump buffer in__cilkrts_stack_frame.
+ */
+#define FP(SF) JMPBUF_FP((SF)->ctx)
+
+/**
+ * @brief Get program counter from jump buffer in__cilkrts_stack_frame.
+ */
+#define PC(SF) JMPBUF_PC((SF)->ctx)
+
+/**
+ * @brief Get stack pointer from jump buffer in__cilkrts_stack_frame.
+ */
+#define SP(SF) JMPBUF_SP((SF)->ctx)
+
+
+__CILKRTS_BEGIN_EXTERN_C
+
+/**
+ * Fetch the stack pointer from a __cilkrts_stack_frame.  The jmpbuf was
+ * initialized before a cilk_spawn or cilk_sync.
+ *
+ * @param sf __cilkrts_stack_frame containing the jmpbuf.
+ *
+ * @return the stack pointer from the ctx.
+ */
+inline char *__cilkrts_get_sp(__cilkrts_stack_frame *sf)
+{
+    return (char *)SP(sf);
+}
+
+/**
+ * Calculate the frame size from __cilkrts_stack_frame.  The jmpbuf was
+ * initialized before a cilk_spawn or cilk_sync.
+ *
+ * @warning Returning an arbitrary value on Windows!
+ *
+ * @param sf __cilkrts_stack_frame containing the jmpbuf.
+ *
+ * @return the stack pointer from the ctx.
+ */
+inline ptrdiff_t __cilkrts_get_frame_size(__cilkrts_stack_frame *sf)
+{
+#ifdef _WIN32
+    if (0 == SP(sf))
+        return 256;         // Arbitrary!
+#endif
+    return (ptrdiff_t)FP(sf) - (ptrdiff_t)SP(sf);
+}
+
+__CILKRTS_END_EXTERN_C
+
+#endif // ! defined(INCLUDED_JMPBUF_DOT_H)