xref: /freebsd-src/contrib/llvm-project/lld/MachO/SymbolTable.h (revision 5ffd83dbcc34f10e07f6d3e968ae6365869615f4)
1*5ffd83dbSDimitry Andric //===- SymbolTable.h --------------------------------------------*- C++ -*-===//
2*5ffd83dbSDimitry Andric //
3*5ffd83dbSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*5ffd83dbSDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*5ffd83dbSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*5ffd83dbSDimitry Andric //
7*5ffd83dbSDimitry Andric //===----------------------------------------------------------------------===//
8*5ffd83dbSDimitry Andric 
9*5ffd83dbSDimitry Andric #ifndef LLD_MACHO_SYMBOL_TABLE_H
10*5ffd83dbSDimitry Andric #define LLD_MACHO_SYMBOL_TABLE_H
11*5ffd83dbSDimitry Andric 
12*5ffd83dbSDimitry Andric #include "lld/Common/LLVM.h"
13*5ffd83dbSDimitry Andric #include "llvm/ADT/CachedHashString.h"
14*5ffd83dbSDimitry Andric #include "llvm/ADT/DenseMap.h"
15*5ffd83dbSDimitry Andric #include "llvm/Object/Archive.h"
16*5ffd83dbSDimitry Andric 
17*5ffd83dbSDimitry Andric namespace lld {
18*5ffd83dbSDimitry Andric namespace macho {
19*5ffd83dbSDimitry Andric 
20*5ffd83dbSDimitry Andric class ArchiveFile;
21*5ffd83dbSDimitry Andric class DylibFile;
22*5ffd83dbSDimitry Andric class InputSection;
23*5ffd83dbSDimitry Andric class Symbol;
24*5ffd83dbSDimitry Andric 
25*5ffd83dbSDimitry Andric class SymbolTable {
26*5ffd83dbSDimitry Andric public:
27*5ffd83dbSDimitry Andric   Symbol *addDefined(StringRef name, InputSection *isec, uint32_t value);
28*5ffd83dbSDimitry Andric 
29*5ffd83dbSDimitry Andric   Symbol *addUndefined(StringRef name);
30*5ffd83dbSDimitry Andric 
31*5ffd83dbSDimitry Andric   Symbol *addDylib(StringRef name, DylibFile *file);
32*5ffd83dbSDimitry Andric 
33*5ffd83dbSDimitry Andric   Symbol *addLazy(StringRef name, ArchiveFile *file,
34*5ffd83dbSDimitry Andric                   const llvm::object::Archive::Symbol &sym);
35*5ffd83dbSDimitry Andric 
36*5ffd83dbSDimitry Andric   ArrayRef<Symbol *> getSymbols() const { return symVector; }
37*5ffd83dbSDimitry Andric   Symbol *find(StringRef name);
38*5ffd83dbSDimitry Andric 
39*5ffd83dbSDimitry Andric private:
40*5ffd83dbSDimitry Andric   std::pair<Symbol *, bool> insert(StringRef name);
41*5ffd83dbSDimitry Andric   llvm::DenseMap<llvm::CachedHashStringRef, int> symMap;
42*5ffd83dbSDimitry Andric   std::vector<Symbol *> symVector;
43*5ffd83dbSDimitry Andric };
44*5ffd83dbSDimitry Andric 
45*5ffd83dbSDimitry Andric extern SymbolTable *symtab;
46*5ffd83dbSDimitry Andric 
47*5ffd83dbSDimitry Andric } // namespace macho
48*5ffd83dbSDimitry Andric } // namespace lld
49*5ffd83dbSDimitry Andric 
50*5ffd83dbSDimitry Andric #endif
51