60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
//===------- COFF.h - Generic JIT link function for COFF ------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Generic jit-link functions for COFF.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_EXECUTIONENGINE_JITLINK_COFF_H
|
|
#define LLVM_EXECUTIONENGINE_JITLINK_COFF_H
|
|
|
|
#include "llvm/ExecutionEngine/JITLink/JITLink.h"
|
|
|
|
namespace llvm {
|
|
namespace jitlink {
|
|
|
|
/// Create a LinkGraph from an COFF relocatable object.
|
|
///
|
|
/// Note: The graph does not take ownership of the underlying buffer, nor copy
|
|
/// its contents. The caller is responsible for ensuring that the object buffer
|
|
/// outlives the graph.
|
|
LLVM_ABI Expected<std::unique_ptr<LinkGraph>>
|
|
createLinkGraphFromCOFFObject(MemoryBufferRef ObjectBuffer,
|
|
std::shared_ptr<orc::SymbolStringPool> SSP);
|
|
|
|
/// Link the given graph.
|
|
///
|
|
/// Uses conservative defaults for GOT and stub handling based on the target
|
|
/// platform.
|
|
LLVM_ABI void link_COFF(std::unique_ptr<LinkGraph> G,
|
|
std::unique_ptr<JITLinkContext> Ctx);
|
|
|
|
/// GetImageBaseSymbol is a function object that finds the __ImageBase symbol
|
|
/// in the given graph if one is present.
|
|
///
|
|
/// The result is cached across calls, and can be reset by calling the reset
|
|
/// method.
|
|
class GetImageBaseSymbol {
|
|
public:
|
|
GetImageBaseSymbol(StringRef ImageBaseName = "__ImageBase")
|
|
: ImageBaseName(ImageBaseName) {}
|
|
LLVM_ABI Symbol *operator()(LinkGraph &G);
|
|
void reset(std::optional<Symbol *> CacheValue = std::nullopt) {
|
|
ImageBase = CacheValue;
|
|
}
|
|
|
|
private:
|
|
StringRef ImageBaseName;
|
|
std::optional<Symbol *> ImageBase;
|
|
};
|
|
|
|
} // end namespace jitlink
|
|
} // end namespace llvm
|
|
|
|
#endif // LLVM_EXECUTIONENGINE_JITLINK_COFF_H
|