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//===---------- AbsoluteSymbols.cpp - Absolute symbols utilities ----------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/AbsoluteSymbols.h"
#include "llvm/ExecutionEngine/Orc/Core.h"
#define DEBUG_TYPE "orc"
namespace llvm::orc {
AbsoluteSymbolsMaterializationUnit::AbsoluteSymbolsMaterializationUnit(
SymbolMap Symbols)
: MaterializationUnit(extractFlags(Symbols)), Symbols(std::move(Symbols)) {}
StringRef AbsoluteSymbolsMaterializationUnit::getName() const {
return "<Absolute Symbols>";
}
void AbsoluteSymbolsMaterializationUnit::materialize(
std::unique_ptr<MaterializationResponsibility> R) {
// Even though these are just absolute symbols we need to check for failure
// to resolve/emit: the tracker for these symbols may have been removed while
// the materialization was in flight (e.g. due to a failure in some action
// triggered by the queries attached to the resolution/emission of these
// symbols).
if (auto Err = R->notifyResolved(Symbols)) {
R->getExecutionSession().reportError(std::move(Err));
R->failMaterialization();
return;
}
if (auto Err = R->notifyEmitted({})) {
R->getExecutionSession().reportError(std::move(Err));
R->failMaterialization();
return;
}
}
void AbsoluteSymbolsMaterializationUnit::discard(const JITDylib &JD,
const SymbolStringPtr &Name) {
assert(Symbols.count(Name) && "Symbol is not part of this MU");
Symbols.erase(Name);
}
MaterializationUnit::Interface
AbsoluteSymbolsMaterializationUnit::extractFlags(const SymbolMap &Symbols) {
SymbolFlagsMap Flags;
for (const auto &[Name, Def] : Symbols)
Flags[Name] = Def.getFlags();
return MaterializationUnit::Interface(std::move(Flags), nullptr);
}
} // namespace llvm::orc
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