| 1 | //===--------------- SimpleExecutorDylibManager.h ---------------*- 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 | // A simple dynamic library management class. Allows dynamic libraries to be |
| 10 | // loaded and searched. |
| 11 | // |
| 12 | // FIXME: The functionality in this file should be moved to the ORC runtime. |
| 13 | // |
| 14 | //===----------------------------------------------------------------------===// |
| 15 | |
| 16 | #ifndef LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_SIMPLEEXECUTORDYLIBMANAGER_H |
| 17 | #define LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_SIMPLEEXECUTORDYLIBMANAGER_H |
| 18 | |
| 19 | #include "llvm/ADT/DenseSet.h" |
| 20 | #include "llvm/ExecutionEngine/Orc/Shared/ExecutorAddress.h" |
| 21 | #include "llvm/ExecutionEngine/Orc/Shared/ExecutorSymbolDef.h" |
| 22 | #include "llvm/ExecutionEngine/Orc/Shared/SimpleRemoteEPCUtils.h" |
| 23 | #include "llvm/ExecutionEngine/Orc/Shared/TargetProcessControlTypes.h" |
| 24 | #include "llvm/ExecutionEngine/Orc/Shared/WrapperFunctionUtils.h" |
| 25 | #include "llvm/ExecutionEngine/Orc/TargetProcess/ExecutorBootstrapService.h" |
| 26 | #include "llvm/Support/DynamicLibrary.h" |
| 27 | #include "llvm/Support/Error.h" |
| 28 | |
| 29 | #include <mutex> |
| 30 | |
| 31 | namespace llvm { |
| 32 | namespace orc { |
| 33 | namespace rt_bootstrap { |
| 34 | |
| 35 | /// Simple page-based allocator. |
| 36 | class SimpleExecutorDylibManager : public ExecutorBootstrapService { |
| 37 | public: |
| 38 | virtual ~SimpleExecutorDylibManager(); |
| 39 | |
| 40 | Expected<tpctypes::DylibHandle> open(const std::string &Path, uint64_t Mode); |
| 41 | Expected<std::vector<ExecutorSymbolDef>> |
| 42 | lookup(tpctypes::DylibHandle H, const RemoteSymbolLookupSet &L); |
| 43 | |
| 44 | Error shutdown() override; |
| 45 | void addBootstrapSymbols(StringMap<ExecutorAddr> &M) override; |
| 46 | |
| 47 | private: |
| 48 | using DylibSet = DenseSet<void *>; |
| 49 | |
| 50 | static llvm::orc::shared::CWrapperFunctionResult |
| 51 | openWrapper(const char *ArgData, size_t ArgSize); |
| 52 | |
| 53 | static llvm::orc::shared::CWrapperFunctionResult |
| 54 | lookupWrapper(const char *ArgData, size_t ArgSize); |
| 55 | |
| 56 | std::mutex M; |
| 57 | DylibSet Dylibs; |
| 58 | }; |
| 59 | |
| 60 | } // end namespace rt_bootstrap |
| 61 | } // end namespace orc |
| 62 | } // end namespace llvm |
| 63 | |
| 64 | #endif // LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_SIMPLEEXECUTORDYLIBMANAGER_H |
| 65 |