6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
//===- EPCGenericJITLinkMemoryManager.h - EPC-based mem manager -*- 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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// Implements JITLinkMemoryManager by making remove calls via
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// ExecutorProcessControl::callWrapperAsync.
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//
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// This simplifies the implementaton of new ExecutorProcessControl instances,
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// as this implementation will always work (at the cost of some performance
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// overhead for the calls).
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_ORC_EPCGENERICJITLINKMEMORYMANAGER_H
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#define LLVM_EXECUTIONENGINE_ORC_EPCGENERICJITLINKMEMORYMANAGER_H
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#include "llvm/ExecutionEngine/JITLink/JITLinkMemoryManager.h"
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#include "llvm/ExecutionEngine/Orc/Core.h"
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namespace llvm {
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namespace orc {
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class EPCGenericJITLinkMemoryManager : public jitlink::JITLinkMemoryManager {
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public:
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/// Function addresses for memory access.
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struct SymbolAddrs {
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ExecutorAddr Allocator;
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ExecutorAddr Reserve;
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ExecutorAddr Finalize;
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ExecutorAddr Deallocate;
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};
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/// Create an EPCGenericJITLinkMemoryManager instance from a given set of
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/// function addrs.
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EPCGenericJITLinkMemoryManager(ExecutorProcessControl &EPC, SymbolAddrs SAs)
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: EPC(EPC), SAs(SAs) {}
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void allocate(const jitlink::JITLinkDylib *JD, jitlink::LinkGraph &G,
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OnAllocatedFunction OnAllocated) override;
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// Use overloads from base class.
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using JITLinkMemoryManager::allocate;
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void deallocate(std::vector<FinalizedAlloc> Allocs,
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OnDeallocatedFunction OnDeallocated) override;
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// Use overloads from base class.
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using JITLinkMemoryManager::deallocate;
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private:
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class InFlightAlloc;
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void completeAllocation(ExecutorAddr AllocAddr, jitlink::BasicLayout BL,
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OnAllocatedFunction OnAllocated);
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ExecutorProcessControl &EPC;
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SymbolAddrs SAs;
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};
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namespace shared {
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/// FIXME: This specialization should be moved into TargetProcessControlTypes.h
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/// (or wherever those types get merged to) once ORC depends on JITLink.
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template <>
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class SPSSerializationTraits<SPSExecutorAddr,
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jitlink::JITLinkMemoryManager::FinalizedAlloc> {
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public:
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static size_t size(const jitlink::JITLinkMemoryManager::FinalizedAlloc &FA) {
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return SPSArgList<SPSExecutorAddr>::size(ExecutorAddr(FA.getAddress()));
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}
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static bool
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serialize(SPSOutputBuffer &OB,
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const jitlink::JITLinkMemoryManager::FinalizedAlloc &FA) {
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return SPSArgList<SPSExecutorAddr>::serialize(
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OB, ExecutorAddr(FA.getAddress()));
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}
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static bool deserialize(SPSInputBuffer &IB,
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jitlink::JITLinkMemoryManager::FinalizedAlloc &FA) {
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ExecutorAddr A;
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if (!SPSArgList<SPSExecutorAddr>::deserialize(IB, A))
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return false;
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FA = jitlink::JITLinkMemoryManager::FinalizedAlloc(A);
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return true;
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}
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};
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} // end namespace shared
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} // end namespace orc
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} // end namespace llvm
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#endif // LLVM_EXECUTIONENGINE_ORC_EPCGENERICJITLINKMEMORYMANAGER_H
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