object_file.hh (4155:4ac95b9c9149) object_file.hh (5070:3d6a1e37b944)
1/*
2 * Copyright (c) 2002-2004 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;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 * Steve Reinhardt
30 */
31
32#ifndef __OBJECT_FILE_HH__
33#define __OBJECT_FILE_HH__
34
35#include <limits>
36#include <string>
37
38#include "sim/host.hh" // for Addr
39
40class Port;
41class SymbolTable;
42
43class ObjectFile
44{
45 public:
46
47 enum Arch {
48 UnknownArch,
49 Alpha,
50 SPARC64,
51 SPARC32,
52 Mips,
53 X86
54 };
55
56 enum OpSys {
57 UnknownOpSys,
58 Tru64,
59 Linux,
60 Solaris
61 };
62
63 protected:
64 const std::string filename;
65 int descriptor;
66 uint8_t *fileData;
67 size_t len;
68
69 Arch arch;
70 OpSys opSys;
71
72 ObjectFile(const std::string &_filename, int _fd,
73 size_t _len, uint8_t *_data,
74 Arch _arch, OpSys _opSys);
75
76 public:
77 virtual ~ObjectFile();
78
79 void close();
80
81 virtual bool loadSections(Port *memPort, Addr addrMask =
82 std::numeric_limits<Addr>::max());
83 virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
84 std::numeric_limits<Addr>::max()) = 0;
85 virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
86 std::numeric_limits<Addr>::max()) = 0;
87
1/*
2 * Copyright (c) 2002-2004 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;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 * Steve Reinhardt
30 */
31
32#ifndef __OBJECT_FILE_HH__
33#define __OBJECT_FILE_HH__
34
35#include <limits>
36#include <string>
37
38#include "sim/host.hh" // for Addr
39
40class Port;
41class SymbolTable;
42
43class ObjectFile
44{
45 public:
46
47 enum Arch {
48 UnknownArch,
49 Alpha,
50 SPARC64,
51 SPARC32,
52 Mips,
53 X86
54 };
55
56 enum OpSys {
57 UnknownOpSys,
58 Tru64,
59 Linux,
60 Solaris
61 };
62
63 protected:
64 const std::string filename;
65 int descriptor;
66 uint8_t *fileData;
67 size_t len;
68
69 Arch arch;
70 OpSys opSys;
71
72 ObjectFile(const std::string &_filename, int _fd,
73 size_t _len, uint8_t *_data,
74 Arch _arch, OpSys _opSys);
75
76 public:
77 virtual ~ObjectFile();
78
79 void close();
80
81 virtual bool loadSections(Port *memPort, Addr addrMask =
82 std::numeric_limits<Addr>::max());
83 virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
84 std::numeric_limits<Addr>::max()) = 0;
85 virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
86 std::numeric_limits<Addr>::max()) = 0;
87
88 virtual bool isDynamic();
88 virtual bool isDynamic() { return false; }
89 virtual bool hasTLS() { return false; }
89
90 Arch getArch() const { return arch; }
91 OpSys getOpSys() const { return opSys; }
92
93 protected:
94
95 struct Section {
96 Addr baseAddr;
97 uint8_t *fileImage;
98 size_t size;
99 };
100
101 Addr entry;
102 Addr globalPtr;
103
104 Section text;
105 Section data;
106 Section bss;
107
108 bool loadSection(Section *sec, Port *memPort, Addr addrMask);
109 void setGlobalPointer(Addr global_ptr) { globalPtr = global_ptr; }
110
111 public:
112 Addr entryPoint() const { return entry; }
113
114 Addr globalPointer() const { return globalPtr; }
115
116 Addr textBase() const { return text.baseAddr; }
117 Addr dataBase() const { return data.baseAddr; }
118 Addr bssBase() const { return bss.baseAddr; }
119
120 size_t textSize() const { return text.size; }
121 size_t dataSize() const { return data.size; }
122 size_t bssSize() const { return bss.size; }
123
124 void setTextBase(Addr a) { text.baseAddr = a; }
125};
126
127ObjectFile *createObjectFile(const std::string &fname, bool raw = false);
128
129
130#endif // __OBJECT_FILE_HH__
90
91 Arch getArch() const { return arch; }
92 OpSys getOpSys() const { return opSys; }
93
94 protected:
95
96 struct Section {
97 Addr baseAddr;
98 uint8_t *fileImage;
99 size_t size;
100 };
101
102 Addr entry;
103 Addr globalPtr;
104
105 Section text;
106 Section data;
107 Section bss;
108
109 bool loadSection(Section *sec, Port *memPort, Addr addrMask);
110 void setGlobalPointer(Addr global_ptr) { globalPtr = global_ptr; }
111
112 public:
113 Addr entryPoint() const { return entry; }
114
115 Addr globalPointer() const { return globalPtr; }
116
117 Addr textBase() const { return text.baseAddr; }
118 Addr dataBase() const { return data.baseAddr; }
119 Addr bssBase() const { return bss.baseAddr; }
120
121 size_t textSize() const { return text.size; }
122 size_t dataSize() const { return data.size; }
123 size_t bssSize() const { return bss.size; }
124
125 void setTextBase(Addr a) { text.baseAddr = a; }
126};
127
128ObjectFile *createObjectFile(const std::string &fname, bool raw = false);
129
130
131#endif // __OBJECT_FILE_HH__