1 //=== ELFRelocation.h - ELF Relocation Info ---------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the ELFRelocation class.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_CODEGEN_ELF_RELOCATION_H
15 #define LLVM_CODEGEN_ELF_RELOCATION_H
17 #include "llvm/System/DataTypes.h"
21 /// ELFRelocation - This class contains all the information necessary to
22 /// to generate any 32-bit or 64-bit ELF relocation entry.
24 uint64_t r_offset; // offset in the section of the object this applies to
25 uint32_t r_symidx; // symbol table index of the symbol to use
26 uint32_t r_type; // machine specific relocation type
27 int64_t r_add; // explicit relocation addend
28 bool r_rela; // if true then the addend is part of the entry
29 // otherwise the addend is at the location specified
33 uint64_t getInfo(bool is64Bit = false) const {
35 return ((uint64_t)r_symidx << 32) + ((uint64_t)r_type & 0xFFFFFFFFL);
37 return (r_symidx << 8) + (r_type & 0xFFL);
40 uint64_t getOffset() const { return r_offset; }
41 uint64_t getAddress() const { return r_add; }
43 ELFRelocation(uint64_t off, uint32_t sym, uint32_t type,
44 bool rela = true, int64_t addend = 0) :
45 r_offset(off), r_symidx(sym), r_type(type),
46 r_add(addend), r_rela(rela) {}
49 } // end llvm namespace
51 #endif // LLVM_CODEGEN_ELF_RELOCATION_H