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//===---- SectCreate.h -- Emulates ld64's -sectcreate option ----*- 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
//
//===----------------------------------------------------------------------===//
//
// Emulates ld64's -sectcreate option.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_EXECUTIONENGINE_ORC_SECTCREATE_H
#define LLVM_EXECUTIONENGINE_ORC_SECTCREATE_H
#include "llvm/ExecutionEngine/Orc/Core.h"
#include "llvm/ExecutionEngine/Orc/ObjectLinkingLayer.h"
#include <utility>
#include <vector>
namespace llvm::orc {
class SectCreateMaterializationUnit : public MaterializationUnit {
public:
struct ExtraSymbolInfo {
JITSymbolFlags Flags;
size_t Offset = 0;
};
using ExtraSymbolsMap = DenseMap<SymbolStringPtr, ExtraSymbolInfo>;
SectCreateMaterializationUnit(
ObjectLinkingLayer &ObjLinkingLayer, std::string SectName, MemProt MP,
uint64_t Alignment, std::unique_ptr<MemoryBuffer> Data,
ExtraSymbolsMap ExtraSymbols = ExtraSymbolsMap())
: MaterializationUnit(getInterface(ExtraSymbols)),
ObjLinkingLayer(ObjLinkingLayer), SectName(std::move(SectName)), MP(MP),
Alignment(Alignment), Data(std::move(Data)),
ExtraSymbols(std::move(ExtraSymbols)) {}
StringRef getName() const override { return "SectCreate"; }
void materialize(std::unique_ptr<MaterializationResponsibility> R) override;
private:
void discard(const JITDylib &JD, const SymbolStringPtr &Name) override;
static Interface getInterface(const ExtraSymbolsMap &ExtraSymbols);
ObjectLinkingLayer &ObjLinkingLayer;
std::string SectName;
MemProt MP;
uint64_t Alignment;
std::unique_ptr<MemoryBuffer> Data;
ExtraSymbolsMap ExtraSymbols;
};
} // namespace llvm::orc
#endif // LLVM_EXECUTIONENGINE_ORC_SECTCREATE_H
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