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#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- EPCGenericJITLinkMemoryManager.h - EPC-based mem manager -*- 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
//
//===----------------------------------------------------------------------===//
//
// Implements JITLinkMemoryManager by making remove calls via
// ExecutorProcessControl::callWrapperAsync.
//
// This simplifies the implementaton of new ExecutorProcessControl instances,
// as this implementation will always work (at the cost of some performance
// overhead for the calls).
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_EXECUTIONENGINE_ORC_EPCGENERICJITLINKMEMORYMANAGER_H
#define LLVM_EXECUTIONENGINE_ORC_EPCGENERICJITLINKMEMORYMANAGER_H
#include "llvm/ExecutionEngine/JITLink/JITLinkMemoryManager.h"
#include "llvm/ExecutionEngine/Orc/Core.h"
namespace llvm {
namespace orc {
class EPCGenericJITLinkMemoryManager : public jitlink::JITLinkMemoryManager {
public:
/// Function addresses for memory access.
struct SymbolAddrs {
ExecutorAddr Allocator;
ExecutorAddr Reserve;
ExecutorAddr Finalize;
ExecutorAddr Deallocate;
};
/// Create an EPCGenericJITLinkMemoryManager instance from a given set of
/// function addrs.
EPCGenericJITLinkMemoryManager(ExecutorProcessControl &EPC, SymbolAddrs SAs)
: EPC(EPC), SAs(SAs) {}
void allocate(const jitlink::JITLinkDylib *JD, jitlink::LinkGraph &G,
OnAllocatedFunction OnAllocated) override;
// Use overloads from base class.
using JITLinkMemoryManager::allocate;
void deallocate(std::vector<FinalizedAlloc> Allocs,
OnDeallocatedFunction OnDeallocated) override;
// Use overloads from base class.
using JITLinkMemoryManager::deallocate;
private:
class InFlightAlloc;
void completeAllocation(ExecutorAddr AllocAddr, jitlink::BasicLayout BL,
OnAllocatedFunction OnAllocated);
ExecutorProcessControl &EPC;
SymbolAddrs SAs;
};
namespace shared {
/// FIXME: This specialization should be moved into TargetProcessControlTypes.h
/// (or whereever those types get merged to) once ORC depends on JITLink.
template <>
class SPSSerializationTraits<SPSExecutorAddr,
jitlink::JITLinkMemoryManager::FinalizedAlloc> {
public:
static size_t size(const jitlink::JITLinkMemoryManager::FinalizedAlloc &FA) {
return SPSArgList<SPSExecutorAddr>::size(ExecutorAddr(FA.getAddress()));
}
static bool
serialize(SPSOutputBuffer &OB,
const jitlink::JITLinkMemoryManager::FinalizedAlloc &FA) {
return SPSArgList<SPSExecutorAddr>::serialize(
OB, ExecutorAddr(FA.getAddress()));
}
static bool deserialize(SPSInputBuffer &IB,
jitlink::JITLinkMemoryManager::FinalizedAlloc &FA) {
ExecutorAddr A;
if (!SPSArgList<SPSExecutorAddr>::deserialize(IB, A))
return false;
FA = jitlink::JITLinkMemoryManager::FinalizedAlloc(A);
return true;
}
};
} // end namespace shared
} // end namespace orc
} // end namespace llvm
#endif // LLVM_EXECUTIONENGINE_ORC_EPCGENERICJITLINKMEMORYMANAGER_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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