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100 lines
3.8 KiB
C++
100 lines
3.8 KiB
C++
// -*- C++ -*-
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/*
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* @copyright
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* Copyright (C) 2009-2013, Intel Corporation
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* All rights reserved.
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*
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* @copyright
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* @copyright
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*
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* metacall.h
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*
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* This is an internal header file defining part of the metacall
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* interface used by Cilkscreen. It is not a stable API and is
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* subject to change without notice.
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*/
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// Provides the enum of metacall kinds. This is used by Cilkscreen and the
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// runtime, and will probably be used by any future ptools.
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#pragma once
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///////////////////////////////////////////////////////////////////////////////
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enum
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{
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// Notify Cilkscreen to stop/start instrumenting code
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HYPER_DISABLE_INSTRUMENTATION = 0,
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HYPER_ENABLE_INSTRUMENTATION = 1,
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// Write 0 in *(char *)arg if the p-tool is sequential. The Cilk runtime
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// system invokes this metacall to know whether to spawn worker threads.
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HYPER_ZERO_IF_SEQUENTIAL_PTOOL = 2,
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// Write 0 in *(char *)arg if the runtime must force reducers to
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// call the reduce() method even if no actual stealing occurs.
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HYPER_ZERO_IF_FORCE_REDUCE = 3,
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// Inform cilkscreen about the current stack pointer.
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HYPER_ESTABLISH_C_STACK = 4,
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// Inform Cilkscreen about the current worker
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HYPER_ESTABLISH_WORKER = 5,
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// Tell tools to ignore a block of memory. Parameter is a 2 element
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// array: void *block[2] = {_begin, _end}; _end is 1 beyond the end
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// of the block to be ignored. Essentially, if p is a pointer to an
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// array, _begin = &p[0], _end = &p[max]
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HYPER_IGNORE_MEMORY_BLOCK = 6
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// If you add metacalls here, remember to update BOTH workspan.cpp AND
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// cilkscreen-common.cpp!
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};
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typedef struct
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{
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unsigned int tool; // Specifies tool metacall is for
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// (eg. system=0, cilkscreen=1, cilkview=2).
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// All tools should understand system codes.
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// Tools should ignore all other codes, except
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// their own.
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unsigned int code; // Tool-specific code specifies what to do and how to
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// interpret data
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void *data;
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} metacall_data_t;
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#define METACALL_TOOL_SYSTEM 0
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///////////////////////////////////////////////////////////////////////////////
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