llvm-6502/include/llvm/MC/MCELFSymbolFlags.h
Rafael Espindola 6469540adf sets bit 0 of the function address of thumb function in .symtab
("T is 1 if the target symbol S has type STT_FUNC and the
symbol addresses a Thumb instruction ;it is 0 otherwise."
from "ELF for the ARM Architecture" 4.7.1.2)

Patch by Koan-Sin Tan!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131406 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-16 16:17:21 +00:00

59 lines
2.3 KiB
C++

//===- MCELFSymbolFlags.h - ELF Symbol Flags ----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the SymbolFlags used for the ELF target.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCELFSYMBOLFLAGS_H
#define LLVM_MC_MCELFSYMBOLFLAGS_H
#include "llvm/Support/ELF.h"
// Because all the symbol flags need to be stored in the MCSymbolData
// 'flags' variable we need to provide shift constants per flag type.
namespace llvm {
enum {
ELF_STT_Shift = 0, // Shift value for STT_* flags.
ELF_STB_Shift = 4, // Shift value for STB_* flags.
ELF_STV_Shift = 8, // Shift value for STV_* flags.
ELF_Other_Shift = 10 // Shift value for other flags.
};
enum SymbolFlags {
ELF_STB_Local = (ELF::STB_LOCAL << ELF_STB_Shift),
ELF_STB_Global = (ELF::STB_GLOBAL << ELF_STB_Shift),
ELF_STB_Weak = (ELF::STB_WEAK << ELF_STB_Shift),
ELF_STB_Loproc = (ELF::STB_LOPROC << ELF_STB_Shift),
ELF_STB_Hiproc = (ELF::STB_HIPROC << ELF_STB_Shift),
ELF_STT_Notype = (ELF::STT_NOTYPE << ELF_STT_Shift),
ELF_STT_Object = (ELF::STT_OBJECT << ELF_STT_Shift),
ELF_STT_Func = (ELF::STT_FUNC << ELF_STT_Shift),
ELF_STT_Section = (ELF::STT_SECTION << ELF_STT_Shift),
ELF_STT_File = (ELF::STT_FILE << ELF_STT_Shift),
ELF_STT_Common = (ELF::STT_COMMON << ELF_STT_Shift),
ELF_STT_Tls = (ELF::STT_TLS << ELF_STT_Shift),
ELF_STT_Loproc = (ELF::STT_LOPROC << ELF_STT_Shift),
ELF_STT_Hiproc = (ELF::STT_HIPROC << ELF_STT_Shift),
ELF_STV_Default = (ELF::STV_DEFAULT << ELF_STV_Shift),
ELF_STV_Internal = (ELF::STV_INTERNAL << ELF_STV_Shift),
ELF_STV_Hidden = (ELF::STV_HIDDEN << ELF_STV_Shift),
ELF_STV_Protected = (ELF::STV_PROTECTED << ELF_STV_Shift),
ELF_Other_Weakref = (1 << ELF_Other_Shift),
ELF_Other_ThumbFunc = (2 << ELF_Other_Shift)
};
} // end namespace llvm
#endif