derek.holloway
7502bf64a4
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89 lines
3.8 KiB
C
89 lines
3.8 KiB
C
//===----------------------------------------------------------------------===//
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//
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// Part of libcu++, the C++ Standard Library for your entire system,
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// under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES.
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//
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//===----------------------------------------------------------------------===//
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#ifndef __CCCL_VISIBILITY_H
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#define __CCCL_VISIBILITY_H
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#ifndef _CUDA__CCCL_CONFIG
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# error "<__cccl/visibility.h> should only be included in from <cuda/__cccl_config>"
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#endif // _CUDA__CCCL_CONFIG
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#include <cuda/std/__cccl/compiler.h>
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#include <cuda/std/__cccl/system_header.h>
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// We want to ensure that all warning emitting from this header are suppressed
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#if defined(_CCCL_FORCE_SYSTEM_HEADER_GCC)
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# pragma GCC system_header
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#elif defined(_CCCL_FORCE_SYSTEM_HEADER_CLANG)
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# pragma clang system_header
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#elif defined(_CCCL_FORCE_SYSTEM_HEADER_MSVC)
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# pragma system_header
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#endif // no system header
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#include <cuda/std/__cccl/attributes.h>
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#include <cuda/std/__cccl/execution_space.h>
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// For unknown reasons, nvc++ need to selectively disable this warning
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// We do not want to use our usual macro because that would have push / pop semantics
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#if _CCCL_COMPILER(NVHPC)
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# pragma nv_diag_suppress 1407
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#endif // _CCCL_COMPILER(NVHPC)
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// Enable us to hide kernels
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#if _CCCL_COMPILER(MSVC) || _CCCL_COMPILER(NVRTC)
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# define _CCCL_VISIBILITY_HIDDEN
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#else // ^^^ _CCCL_COMPILER(NVRTC) ^^^ / vvv _CCCL_COMPILER(NVRTC) vvv
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# define _CCCL_VISIBILITY_HIDDEN __attribute__((__visibility__("hidden")))
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#endif // !_CCCL_COMPILER(NVRTC)
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#if _CCCL_COMPILER(MSVC)
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# define _CCCL_VISIBILITY_DEFAULT __declspec(dllimport)
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#elif _CCCL_COMPILER(NVRTC) // ^^^ _CCCL_COMPILER(MSVC) ^^^ / vvv _CCCL_COMPILER(NVRTC) vvv
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# define _CCCL_VISIBILITY_DEFAULT
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#else // ^^^ _CCCL_COMPILER(NVRTC) ^^^ / vvv !_CCCL_COMPILER(NVRTC) vvv
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# define _CCCL_VISIBILITY_DEFAULT __attribute__((__visibility__("default")))
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#endif // !_CCCL_COMPILER(NVRTC)
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#if _CCCL_COMPILER(MSVC) || _CCCL_COMPILER(NVRTC)
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# define _CCCL_TYPE_VISIBILITY_DEFAULT
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#elif _CCCL_HAS_ATTRIBUTE(__type_visibility__)
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# define _CCCL_TYPE_VISIBILITY_DEFAULT __attribute__((__type_visibility__("default")))
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#else // ^^^ _CCCL_HAS_ATTRIBUTE(__type_visibility__) ^^^ / vvv !_CCCL_HAS_ATTRIBUTE(__type_visibility__) vvv
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# define _CCCL_TYPE_VISIBILITY_DEFAULT _CCCL_VISIBILITY_DEFAULT
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#endif // !_CCCL_COMPILER(NVRTC)
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#if _CCCL_COMPILER(MSVC)
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# define _CCCL_FORCEINLINE __forceinline
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#else // ^^^ _CCCL_COMPILER(MSVC) ^^^ / vvv _CCCL_COMPILER(MSVC) vvv
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# define _CCCL_FORCEINLINE __inline__ __attribute__((__always_inline__))
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#endif // !_CCCL_COMPILER(MSVC)
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#if _CCCL_HAS_ATTRIBUTE(exclude_from_explicit_instantiation)
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# define _CCCL_EXCLUDE_FROM_EXPLICIT_INSTANTIATION __attribute__((exclude_from_explicit_instantiation))
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#else // ^^^ exclude_from_explicit_instantiation ^^^ / vvv !exclude_from_explicit_instantiation vvv
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// NVCC complains mightily about being unable to inline functions if we use _CCCL_FORCEINLINE here
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# define _CCCL_EXCLUDE_FROM_EXPLICIT_INSTANTIATION
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#endif // !exclude_from_explicit_instantiation
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#if _CCCL_COMPILER(NVHPC) // NVHPC has issues with visibility attributes on symbols with internal linkage
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# define _CCCL_HIDE_FROM_ABI inline
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#else // ^^^ _CCCL_COMPILER(NVHPC) ^^^ / vvv !_CCCL_COMPILER(NVHPC) vvv
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# define _CCCL_HIDE_FROM_ABI _CCCL_VISIBILITY_HIDDEN _CCCL_EXCLUDE_FROM_EXPLICIT_INSTANTIATION inline
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#endif // !_CCCL_COMPILER(NVHPC)
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//! Defined here to suppress any warnings from the definition
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#define _LIBCUDACXX_HIDE_FROM_ABI _CCCL_HIDE_FROM_ABI _CCCL_HOST_DEVICE
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#if !defined(CCCL_DETAIL_KERNEL_ATTRIBUTES)
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# define CCCL_DETAIL_KERNEL_ATTRIBUTES __global__ _CCCL_VISIBILITY_HIDDEN
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#endif // !CCCL_DETAIL_KERNEL_ATTRIBUTES
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#endif // __CCCL_VISIBILITY_H
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