117 lines
4.2 KiB
C
117 lines
4.2 KiB
C
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/* Communication between GCC and libgomp.
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Copyright (C) 2014-2015 Free Software Foundation, Inc.
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Contributed by Mentor Embedded.
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This file is part of the GNU Offloading and Multi Processing Library
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(libgomp).
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Libgomp is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef GOMP_CONSTANTS_H
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#define GOMP_CONSTANTS_H 1
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/* Memory mapping types. */
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/* One byte. */
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#define GOMP_MAP_LAST (1 << 8)
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#define GOMP_MAP_FLAG_TO (1 << 0)
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#define GOMP_MAP_FLAG_FROM (1 << 1)
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/* Special map kinds, enumerated starting here. */
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#define GOMP_MAP_FLAG_SPECIAL_0 (1 << 2)
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#define GOMP_MAP_FLAG_SPECIAL_1 (1 << 3)
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#define GOMP_MAP_FLAG_SPECIAL (GOMP_MAP_FLAG_SPECIAL_1 \
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| GOMP_MAP_FLAG_SPECIAL_0)
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/* Flag to force a specific behavior (or else, trigger a run-time error). */
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#define GOMP_MAP_FLAG_FORCE (1 << 7)
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enum gomp_map_kind
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{
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/* If not already present, allocate. */
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GOMP_MAP_ALLOC = 0,
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/* ..., and copy to device. */
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GOMP_MAP_TO = (GOMP_MAP_ALLOC | GOMP_MAP_FLAG_TO),
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/* ..., and copy from device. */
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GOMP_MAP_FROM = (GOMP_MAP_ALLOC | GOMP_MAP_FLAG_FROM),
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/* ..., and copy to and from device. */
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GOMP_MAP_TOFROM = (GOMP_MAP_TO | GOMP_MAP_FROM),
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/* The following kind is an internal only map kind, used for pointer based
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array sections. OMP_CLAUSE_SIZE for these is not the pointer size,
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which is implicitly POINTER_SIZE_UNITS, but the bias. */
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GOMP_MAP_POINTER = (GOMP_MAP_FLAG_SPECIAL_0 | 0),
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/* Also internal, behaves like GOMP_MAP_TO, but additionally any
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GOMP_MAP_POINTER records consecutive after it which have addresses
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falling into that range will not be ignored if GOMP_MAP_TO_PSET wasn't
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mapped already. */
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GOMP_MAP_TO_PSET = (GOMP_MAP_FLAG_SPECIAL_0 | 1),
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/* Must already be present. */
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GOMP_MAP_FORCE_PRESENT = (GOMP_MAP_FLAG_SPECIAL_0 | 2),
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/* Deallocate a mapping, without copying from device. */
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GOMP_MAP_FORCE_DEALLOC = (GOMP_MAP_FLAG_SPECIAL_0 | 3),
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/* Is a device pointer. OMP_CLAUSE_SIZE for these is unused; is implicitly
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POINTER_SIZE_UNITS. */
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GOMP_MAP_FORCE_DEVICEPTR = (GOMP_MAP_FLAG_SPECIAL_1 | 0),
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/* Allocate. */
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GOMP_MAP_FORCE_ALLOC = (GOMP_MAP_FLAG_FORCE | GOMP_MAP_ALLOC),
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/* ..., and copy to device. */
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GOMP_MAP_FORCE_TO = (GOMP_MAP_FLAG_FORCE | GOMP_MAP_TO),
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/* ..., and copy from device. */
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GOMP_MAP_FORCE_FROM = (GOMP_MAP_FLAG_FORCE | GOMP_MAP_FROM),
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/* ..., and copy to and from device. */
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GOMP_MAP_FORCE_TOFROM = (GOMP_MAP_FLAG_FORCE | GOMP_MAP_TOFROM)
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};
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#define GOMP_MAP_COPY_TO_P(X) \
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(!((X) & GOMP_MAP_FLAG_SPECIAL) \
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&& ((X) & GOMP_MAP_FLAG_TO))
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#define GOMP_MAP_COPY_FROM_P(X) \
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(!((X) & GOMP_MAP_FLAG_SPECIAL) \
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&& ((X) & GOMP_MAP_FLAG_FROM))
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#define GOMP_MAP_POINTER_P(X) \
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((X) == GOMP_MAP_POINTER)
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/* Asynchronous behavior. Keep in sync with
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libgomp/{openacc.h,openacc.f90,openacc_lib.h}:acc_async_t. */
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#define GOMP_ASYNC_NOVAL -1
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#define GOMP_ASYNC_SYNC -2
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/* Device codes. Keep in sync with
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libgomp/{openacc.h,openacc.f90,openacc_lib.h}:acc_device_t as well as
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libgomp/libgomp_target.h. */
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#define GOMP_DEVICE_NONE 0
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#define GOMP_DEVICE_DEFAULT 1
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#define GOMP_DEVICE_HOST 2
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#define GOMP_DEVICE_HOST_NONSHM 3
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#define GOMP_DEVICE_NOT_HOST 4
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#define GOMP_DEVICE_NVIDIA_PTX 5
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#define GOMP_DEVICE_INTEL_MIC 6
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#define GOMP_DEVICE_ICV -1
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#define GOMP_DEVICE_HOST_FALLBACK -2
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#endif
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