1480093f4SDimitry Andric //===-- NonRelocatableStringpool.cpp --------------------------------------===// 2480093f4SDimitry Andric // 3480093f4SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4480093f4SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5480093f4SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6480093f4SDimitry Andric // 7480093f4SDimitry Andric //===----------------------------------------------------------------------===// 8480093f4SDimitry Andric 9480093f4SDimitry Andric #include "llvm/CodeGen/NonRelocatableStringpool.h" 1004eeddc0SDimitry Andric #include "llvm/ADT/STLExtras.h" 11480093f4SDimitry Andric 12480093f4SDimitry Andric namespace llvm { 13480093f4SDimitry Andric getEntry(StringRef S)14480093f4SDimitry AndricDwarfStringPoolEntryRef NonRelocatableStringpool::getEntry(StringRef S) { 15480093f4SDimitry Andric if (Translator) 16480093f4SDimitry Andric S = Translator(S); 17480093f4SDimitry Andric auto I = Strings.insert({S, DwarfStringPoolEntry()}); 18480093f4SDimitry Andric auto &Entry = I.first->second; 19480093f4SDimitry Andric if (I.second || !Entry.isIndexed()) { 20480093f4SDimitry Andric Entry.Index = NumEntries++; 21480093f4SDimitry Andric Entry.Offset = CurrentEndOffset; 22480093f4SDimitry Andric Entry.Symbol = nullptr; 23480093f4SDimitry Andric CurrentEndOffset += S.size() + 1; 24480093f4SDimitry Andric } 2581ad6265SDimitry Andric return DwarfStringPoolEntryRef(*I.first); 26480093f4SDimitry Andric } 27480093f4SDimitry Andric internString(StringRef S)28480093f4SDimitry AndricStringRef NonRelocatableStringpool::internString(StringRef S) { 29480093f4SDimitry Andric DwarfStringPoolEntry Entry{nullptr, 0, DwarfStringPoolEntry::NotIndexed}; 30480093f4SDimitry Andric 31480093f4SDimitry Andric if (Translator) 32480093f4SDimitry Andric S = Translator(S); 33480093f4SDimitry Andric 34480093f4SDimitry Andric auto InsertResult = Strings.insert({S, Entry}); 35480093f4SDimitry Andric return InsertResult.first->getKey(); 36480093f4SDimitry Andric } 37480093f4SDimitry Andric 38480093f4SDimitry Andric std::vector<DwarfStringPoolEntryRef> getEntriesForEmission() const39480093f4SDimitry AndricNonRelocatableStringpool::getEntriesForEmission() const { 40480093f4SDimitry Andric std::vector<DwarfStringPoolEntryRef> Result; 41480093f4SDimitry Andric Result.reserve(Strings.size()); 42480093f4SDimitry Andric for (const auto &E : Strings) 43480093f4SDimitry Andric if (E.getValue().isIndexed()) 4481ad6265SDimitry Andric Result.emplace_back(E); 45480093f4SDimitry Andric llvm::sort(Result, [](const DwarfStringPoolEntryRef A, 46480093f4SDimitry Andric const DwarfStringPoolEntryRef B) { 47480093f4SDimitry Andric return A.getIndex() < B.getIndex(); 48480093f4SDimitry Andric }); 49480093f4SDimitry Andric return Result; 50480093f4SDimitry Andric } 51480093f4SDimitry Andric 52480093f4SDimitry Andric } // namespace llvm 53