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1 //===- MCELFSymbolFlags.h - ELF Symbol Flags ----------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file declares the SymbolFlags used for the ELF target.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_MC_MCELFSYMBOLFLAGS_H
15 #define LLVM_MC_MCELFSYMBOLFLAGS_H
16 
17 #include "llvm/Support/ELF.h"
18 
19 // Because all the symbol flags need to be stored in the MCSymbolData
20 // 'flags' variable we need to provide shift constants per flag type.
21 
22 namespace llvm {
23   enum {
24     ELF_STT_Shift   = 0, // Shift value for STT_* flags.
25     ELF_STB_Shift   = 4, // Shift value for STB_* flags.
26     ELF_STV_Shift   = 8, // Shift value for STV_* flags.
27     ELF_Other_Shift = 10 // Shift value for other flags.
28   };
29 
30   enum SymbolFlags {
31     ELF_STB_Local     = (ELF::STB_LOCAL     << ELF_STB_Shift),
32       ELF_STB_Global    = (ELF::STB_GLOBAL    << ELF_STB_Shift),
33       ELF_STB_Weak      = (ELF::STB_WEAK      << ELF_STB_Shift),
34       ELF_STB_Loproc    = (ELF::STB_LOPROC    << ELF_STB_Shift),
35       ELF_STB_Hiproc    = (ELF::STB_HIPROC    << ELF_STB_Shift),
36 
37       ELF_STT_Notype    = (ELF::STT_NOTYPE    << ELF_STT_Shift),
38       ELF_STT_Object    = (ELF::STT_OBJECT    << ELF_STT_Shift),
39       ELF_STT_Func      = (ELF::STT_FUNC      << ELF_STT_Shift),
40       ELF_STT_Section   = (ELF::STT_SECTION   << ELF_STT_Shift),
41       ELF_STT_File      = (ELF::STT_FILE      << ELF_STT_Shift),
42       ELF_STT_Common    = (ELF::STT_COMMON    << ELF_STT_Shift),
43       ELF_STT_Tls       = (ELF::STT_TLS       << ELF_STT_Shift),
44       ELF_STT_Loproc    = (ELF::STT_LOPROC    << ELF_STT_Shift),
45       ELF_STT_Hiproc    = (ELF::STT_HIPROC    << ELF_STT_Shift),
46 
47       ELF_STV_Default   = (ELF::STV_DEFAULT   << ELF_STV_Shift),
48       ELF_STV_Internal  = (ELF::STV_INTERNAL  << ELF_STV_Shift),
49       ELF_STV_Hidden    = (ELF::STV_HIDDEN    << ELF_STV_Shift),
50       ELF_STV_Protected = (ELF::STV_PROTECTED << ELF_STV_Shift),
51 
52       ELF_Other_Weakref = (1                  << ELF_Other_Shift),
53       ELF_Other_ThumbFunc = (2                << ELF_Other_Shift)
54   };
55 
56 } // end namespace llvm
57 
58 #endif
59