forked from OSchip/llvm-project
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
//===- ExportTrie.h ---------------------------------------------*- 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLD_MACHO_EXPORT_TRIE_H
|
|
#define LLD_MACHO_EXPORT_TRIE_H
|
|
|
|
#include "llvm/ADT/ArrayRef.h"
|
|
#include "llvm/ADT/STLExtras.h"
|
|
|
|
#include <vector>
|
|
|
|
namespace lld {
|
|
namespace macho {
|
|
|
|
struct TrieNode;
|
|
class Symbol;
|
|
|
|
class TrieBuilder {
|
|
public:
|
|
void addSymbol(const Symbol &sym) { exported.push_back(&sym); }
|
|
// Returns the size in bytes of the serialized trie.
|
|
size_t build();
|
|
void writeTo(uint8_t *buf) const;
|
|
|
|
private:
|
|
TrieNode *makeNode();
|
|
void sortAndBuild(llvm::MutableArrayRef<const Symbol *> vec, TrieNode *node,
|
|
size_t lastPos, size_t pos);
|
|
|
|
std::vector<const Symbol *> exported;
|
|
std::vector<TrieNode *> nodes;
|
|
};
|
|
|
|
using TrieEntryCallback =
|
|
llvm::function_ref<void(const llvm::Twine & /*name*/, uint64_t /*flags*/)>;
|
|
|
|
void parseTrie(const uint8_t *buf, size_t size, const TrieEntryCallback &);
|
|
|
|
} // namespace macho
|
|
} // namespace lld
|
|
|
|
#endif
|