62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
//===- common.h - Common utilities for the ORC runtime ----------*- C++ -*-===//
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//
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// Part of the LLVM Project, 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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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of the ORC runtime support library.
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//
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//===----------------------------------------------------------------------===//
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#ifndef ORC_RT_COMMON_H
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#define ORC_RT_COMMON_H
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#include "c_api.h"
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#include <type_traits>
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/// Opaque struct for external symbols.
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struct __orc_rt_Opaque {};
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/// Error reporting function.
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extern "C" void __orc_rt_log_error(const char *ErrMsg);
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/// Context object for dispatching calls to the JIT object.
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///
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/// This is declared for use by the runtime, but should be implemented in the
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/// executor or provided by a definition added to the JIT before the runtime
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/// is loaded.
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extern "C" __orc_rt_Opaque __orc_rt_jit_dispatch_ctx
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__attribute__((weak_import));
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/// For dispatching calls to the JIT object.
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///
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/// This is declared for use by the runtime, but should be implemented in the
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/// executor or provided by a definition added to the JIT before the runtime
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/// is loaded.
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extern "C" __orc_rt_CWrapperFunctionResult
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__orc_rt_jit_dispatch(__orc_rt_Opaque *DispatchCtx, const void *FnTag,
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const char *Data, size_t Size)
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__attribute__((weak_import));
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namespace __orc_rt {
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/// Must be kept in sync with JITSymbol.h
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using JITTargetAddress = uint64_t;
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/// Cast from JITTargetAddress to pointer.
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template <typename T> T jitTargetAddressToPointer(JITTargetAddress Addr) {
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static_assert(std::is_pointer<T>::value, "T must be a pointer type");
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return reinterpret_cast<T>(static_cast<uintptr_t>(Addr));
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}
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/// Cast from pointer to JITTargetAddress.
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template <typename T> JITTargetAddress pointerToJITTargetAddress(T *Ptr) {
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return static_cast<JITTargetAddress>(reinterpret_cast<uintptr_t>(Ptr));
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}
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} // end namespace __orc_rt
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#endif // ORC_RT_COMMON_H
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