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//===- ExecutionUtils.h - Utilities for executing code in lli ---*- 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
//
//===----------------------------------------------------------------------===//
//
// Contains utilities for executing code in lli.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_LLI_EXECUTIONUTILS_H
#define LLVM_TOOLS_LLI_EXECUTIONUTILS_H
#include "llvm/ExecutionEngine/JITSymbol.h"
#include "llvm/ExecutionEngine/Orc/Core.h"
#include "llvm/ExecutionEngine/Orc/Mangling.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ToolOutputFile.h"
#include <memory>
#include <utility>
namespace llvm {
enum class BuiltinFunctionKind {
DumpDebugDescriptor,
DumpDebugObjects,
};
// Utility class to expose symbols for special-purpose functions to the JIT.
class LLIBuiltinFunctionGenerator : public orc::DefinitionGenerator {
public:
LLIBuiltinFunctionGenerator(std::vector<BuiltinFunctionKind> Enabled,
orc::MangleAndInterner &Mangle);
Error tryToGenerate(orc::LookupState &LS, orc::LookupKind K,
orc::JITDylib &JD, orc::JITDylibLookupFlags JDLookupFlags,
const orc::SymbolLookupSet &Symbols) override;
void appendDebugObject(const char *Addr, size_t Size) {
TestOut->os().write(Addr, Size);
}
private:
orc::SymbolMap BuiltinFunctions;
std::unique_ptr<ToolOutputFile> TestOut;
template <typename T> void expose(orc::SymbolStringPtr Name, T *Handler) {
BuiltinFunctions[Name] = JITEvaluatedSymbol(
pointerToJITTargetAddress(Handler), JITSymbolFlags::Exported);
}
static std::unique_ptr<ToolOutputFile> createToolOutput();
};
} // end namespace llvm
#endif // LLVM_TOOLS_LLI_EXECUTIONUTILS_H
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