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36c0911571
Separates link graph creation from linking. This allows raw LinkGraphs to be created and passed to a link. ObjectLinkingLayer is updated to support emission of raw LinkGraphs in addition to object buffers. Raw LinkGraphs can be created by in-memory compilers to bypass object encoding / decoding (though this prevents caching, as LinkGraphs have do not have an on-disk representation), and by utility code to add programatically generated data structures to the JIT target process.
40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
//===------- MachO.h - Generic JIT link function for MachO ------*- 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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// Generic jit-link functions for MachO.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_JITLINK_MACHO_H
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#define LLVM_EXECUTIONENGINE_JITLINK_MACHO_H
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#include "llvm/ExecutionEngine/JITLink/JITLink.h"
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namespace llvm {
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namespace jitlink {
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/// Create a LinkGraph from a MachO relocatable object.
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///
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/// Note: The graph does not take ownership of the underlying buffer, nor copy
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/// its contents. The caller is responsible for ensuring that the object buffer
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/// outlives the graph.
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Expected<std::unique_ptr<LinkGraph>>
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createLinkGraphFromMachOObject(MemoryBufferRef ObjectBuffer);
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/// jit-link the given ObjBuffer, which must be a MachO object file.
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///
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/// Uses conservative defaults for GOT and stub handling based on the target
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/// platform.
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void link_MachO(std::unique_ptr<LinkGraph> G,
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std::unique_ptr<JITLinkContext> Ctx);
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} // end namespace jitlink
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} // end namespace llvm
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#endif // LLVM_EXECUTIONENGINE_JITLINK_MACHO_H
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