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107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
/* OpenACC Runtime - internal declarations
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Copyright (C) 2013-2017 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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/* This file contains data types and function declarations that are not
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part of the official OpenACC user interface. There are declarations
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in here that are part of the GNU OpenACC ABI, in that the compiler is
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required to know about them and use them.
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The convention is that the all caps prefix "GOACC" is used group items
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that are part of the external ABI, and the lower case prefix "goacc"
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is used group items that are completely private to the library. */
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#ifndef OACC_INT_H
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#define OACC_INT_H 1
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#include "openacc.h"
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#include "config.h"
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#include <stddef.h>
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#include <stdbool.h>
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#include <stdarg.h>
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#ifdef HAVE_ATTRIBUTE_VISIBILITY
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# pragma GCC visibility push(hidden)
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#endif
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static inline enum acc_device_t
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acc_device_type (enum offload_target_type type)
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{
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return (enum acc_device_t) type;
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}
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struct goacc_thread
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{
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/* The base device for the current thread. */
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struct gomp_device_descr *base_dev;
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/* The device for the current thread. */
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struct gomp_device_descr *dev;
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struct gomp_device_descr *saved_bound_dev;
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/* This is a linked list of data mapped by the "acc data" pragma, following
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strictly push/pop semantics according to lexical scope. */
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struct target_mem_desc *mapped_data;
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/* These structures form a list: this is the next thread in that list. */
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struct goacc_thread *next;
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/* Target-specific data (used by plugin). */
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void *target_tls;
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};
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#if defined HAVE_TLS || defined USE_EMUTLS
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extern __thread struct goacc_thread *goacc_tls_data;
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static inline struct goacc_thread *
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goacc_thread (void)
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{
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return goacc_tls_data;
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}
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#else
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extern pthread_key_t goacc_tls_key;
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static inline struct goacc_thread *
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goacc_thread (void)
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{
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return pthread_getspecific (goacc_tls_key);
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}
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#endif
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void goacc_register (struct gomp_device_descr *) __GOACC_NOTHROW;
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void goacc_attach_host_thread_to_device (int);
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void goacc_runtime_initialize (void);
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void goacc_save_and_set_bind (acc_device_t);
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void goacc_restore_bind (void);
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void goacc_lazy_initialize (void);
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void goacc_host_init (void);
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#ifdef HAVE_ATTRIBUTE_VISIBILITY
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# pragma GCC visibility pop
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#endif
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#endif
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