6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
//===------ Mangling.h -- Name Mangling Utilities for ORC -------*- 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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// Name mangling utilities for ORC.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_ORC_MANGLING_H
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#define LLVM_EXECUTIONENGINE_ORC_MANGLING_H
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#include "llvm/ExecutionEngine/Orc/Core.h"
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#include "llvm/ExecutionEngine/Orc/ThreadSafeModule.h"
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#include "llvm/IR/Module.h"
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#include "llvm/Support/MemoryBuffer.h"
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namespace llvm {
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namespace orc {
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/// Mangles symbol names then uniques them in the context of an
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/// ExecutionSession.
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class MangleAndInterner {
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public:
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MangleAndInterner(ExecutionSession &ES, const DataLayout &DL);
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SymbolStringPtr operator()(StringRef Name);
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private:
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ExecutionSession &ES;
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const DataLayout &DL;
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};
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/// Maps IR global values to their linker symbol names / flags.
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///
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/// This utility can be used when adding new IR globals in the JIT.
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class IRSymbolMapper {
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public:
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struct ManglingOptions {
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bool EmulatedTLS = false;
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};
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using SymbolNameToDefinitionMap = std::map<SymbolStringPtr, GlobalValue *>;
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/// Add mangled symbols for the given GlobalValues to SymbolFlags.
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/// If a SymbolToDefinitionMap pointer is supplied then it will be populated
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/// with Name-to-GlobalValue* mappings. Note that this mapping is not
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/// necessarily one-to-one: thread-local GlobalValues, for example, may
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/// produce more than one symbol, in which case the map will contain duplicate
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/// values.
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static void add(ExecutionSession &ES, const ManglingOptions &MO,
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ArrayRef<GlobalValue *> GVs, SymbolFlagsMap &SymbolFlags,
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SymbolNameToDefinitionMap *SymbolToDefinition = nullptr);
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};
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} // End namespace orc
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} // End namespace llvm
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#endif // LLVM_EXECUTIONENGINE_ORC_MANGLING_H
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