1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

--- 18 unchanged lines hidden (view full) ---

27 *
28 * Authors: Steve Reinhardt
29 */
30
31#ifndef __ELF_OBJECT_HH__
32#define __ELF_OBJECT_HH__
33
34#include "base/loader/object_file.hh"
35#include <set>
36
37class ElfObject : public ObjectFile
38{
39 protected:
40
41 //These values are provided to a linux process by the kernel, so we
42 //need to keep them around.
43 Addr _programHeaderTable;
44 uint16_t _programHeaderSize;
45 uint16_t _programHeaderCount;
46 std::set<std::string> sectionNames;
47
48 /// Helper functions for loadGlobalSymbols() and loadLocalSymbols().
49 bool loadSomeSymbols(SymbolTable *symtab, int binding);
50
51 ElfObject(const std::string &_filename, int _fd,
52 size_t _len, uint8_t *_data,
53 Arch _arch, OpSys _opSys);
54
55 void getSections();
56 bool sectionExists(std::string sec);
57
58 public:
59 virtual ~ElfObject() {}
60
61 virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
62 std::numeric_limits<Addr>::max());
63 virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
64 std::numeric_limits<Addr>::max());
65
61 virtual bool isDynamic();
66 virtual bool isDynamic() { return sectionExists(".interp"); }
67 virtual bool hasTLS() { return sectionExists(".tbss"); }
68
69 static ObjectFile *tryFile(const std::string &fname, int fd,
70 size_t len, uint8_t *data);
71 Addr programHeaderTable() {return _programHeaderTable;}
72 uint16_t programHeaderSize() {return _programHeaderSize;}
73 uint16_t programHeaderCount() {return _programHeaderCount;}
74};
75
76#endif // __ELF_OBJECT_HH__