LLVM 20.0.0git
EPCGenericJITLinkMemoryManager.h
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1//===- EPCGenericJITLinkMemoryManager.h - EPC-based mem manager -*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// Implements JITLinkMemoryManager by making remove calls via
10// ExecutorProcessControl::callWrapperAsync.
11//
12// This simplifies the implementaton of new ExecutorProcessControl instances,
13// as this implementation will always work (at the cost of some performance
14// overhead for the calls).
15//
16//===----------------------------------------------------------------------===//
17
18#ifndef LLVM_EXECUTIONENGINE_ORC_EPCGENERICJITLINKMEMORYMANAGER_H
19#define LLVM_EXECUTIONENGINE_ORC_EPCGENERICJITLINKMEMORYMANAGER_H
20
23
24namespace llvm {
25namespace orc {
26
28public:
29 /// Function addresses for memory access.
30 struct SymbolAddrs {
35 };
36
37 /// Create an EPCGenericJITLinkMemoryManager instance from a given set of
38 /// function addrs.
40 : EPC(EPC), SAs(SAs) {}
41
43 OnAllocatedFunction OnAllocated) override;
44
45 // Use overloads from base class.
46 using JITLinkMemoryManager::allocate;
47
48 void deallocate(std::vector<FinalizedAlloc> Allocs,
49 OnDeallocatedFunction OnDeallocated) override;
50
51 // Use overloads from base class.
52 using JITLinkMemoryManager::deallocate;
53
54private:
55 class InFlightAlloc;
56
57 void completeAllocation(ExecutorAddr AllocAddr, jitlink::BasicLayout BL,
58 OnAllocatedFunction OnAllocated);
59
61 SymbolAddrs SAs;
62};
63
64namespace shared {
65
66/// FIXME: This specialization should be moved into TargetProcessControlTypes.h
67/// (or wherever those types get merged to) once ORC depends on JITLink.
68template <>
70 jitlink::JITLinkMemoryManager::FinalizedAlloc> {
71public:
74 }
75
76 static bool
80 OB, ExecutorAddr(FA.getAddress()));
81 }
82
83 static bool deserialize(SPSInputBuffer &IB,
87 return false;
89 return true;
90 }
91};
92
93} // end namespace shared
94} // end namespace orc
95} // end namespace llvm
96
97#endif // LLVM_EXECUTIONENGINE_ORC_EPCGENERICJITLINKMEMORYMANAGER_H
static GCRegistry::Add< ErlangGC > A("erlang", "erlang-compatible garbage collector")
#define G(x, y, z)
Definition: MD5.cpp:56
void deallocate(std::vector< FinalizedAlloc > Allocs, OnDeallocatedFunction OnDeallocated) override
Deallocate a list of allocation objects.
void allocate(const jitlink::JITLinkDylib *JD, jitlink::LinkGraph &G, OnAllocatedFunction OnAllocated) override
Start the allocation process.
EPCGenericJITLinkMemoryManager(ExecutorProcessControl &EPC, SymbolAddrs SAs)
Create an EPCGenericJITLinkMemoryManager instance from a given set of function addrs.
Represents an address in the executor process.
ExecutorProcessControl supports interaction with a JIT target process.
A utility class for serializing to a blob from a variadic list.
Input char buffer with underflow check.
Output char buffer with overflow check.
Specialize to describe how to serialize/deserialize to/from the given concrete type.
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18