object_file.hh (5874:7a74edaa8741) object_file.hh (6214:1ec0ec8933ae)
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
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
38#include "base/types.hh"
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_64,
54 I386,
55 Arm
56 };
57
58 enum OpSys {
59 UnknownOpSys,
60 Tru64,
61 Linux,
62 Solaris
63 };
64
65 protected:
66 const std::string filename;
67 int descriptor;
68 uint8_t *fileData;
69 size_t len;
70
71 Arch arch;
72 OpSys opSys;
73
74 ObjectFile(const std::string &_filename, int _fd,
75 size_t _len, uint8_t *_data,
76 Arch _arch, OpSys _opSys);
77
78 public:
79 virtual ~ObjectFile();
80
81 void close();
82
83 virtual bool loadSections(Port *memPort, Addr addrMask =
84 std::numeric_limits<Addr>::max());
85 virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
86 std::numeric_limits<Addr>::max()) = 0;
87 virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
88 std::numeric_limits<Addr>::max()) = 0;
89
90 virtual bool isDynamic() { return false; }
91 virtual bool hasTLS() { return false; }
92
93 Arch getArch() const { return arch; }
94 OpSys getOpSys() const { return opSys; }
95
96 protected:
97
98 struct Section {
99 Addr baseAddr;
100 uint8_t *fileImage;
101 size_t size;
102 };
103
104 Addr entry;
105 Addr globalPtr;
106
107 Section text;
108 Section data;
109 Section bss;
110
111 bool loadSection(Section *sec, Port *memPort, Addr addrMask);
112 void setGlobalPointer(Addr global_ptr) { globalPtr = global_ptr; }
113
114 public:
115 Addr entryPoint() const { return entry; }
116
117 Addr globalPointer() const { return globalPtr; }
118
119 Addr textBase() const { return text.baseAddr; }
120 Addr dataBase() const { return data.baseAddr; }
121 Addr bssBase() const { return bss.baseAddr; }
122
123 size_t textSize() const { return text.size; }
124 size_t dataSize() const { return data.size; }
125 size_t bssSize() const { return bss.size; }
126
127 void setTextBase(Addr a) { text.baseAddr = a; }
128};
129
130ObjectFile *createObjectFile(const std::string &fname, bool raw = false);
131
132
133#endif // __OBJECT_FILE_HH__
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_64,
54 I386,
55 Arm
56 };
57
58 enum OpSys {
59 UnknownOpSys,
60 Tru64,
61 Linux,
62 Solaris
63 };
64
65 protected:
66 const std::string filename;
67 int descriptor;
68 uint8_t *fileData;
69 size_t len;
70
71 Arch arch;
72 OpSys opSys;
73
74 ObjectFile(const std::string &_filename, int _fd,
75 size_t _len, uint8_t *_data,
76 Arch _arch, OpSys _opSys);
77
78 public:
79 virtual ~ObjectFile();
80
81 void close();
82
83 virtual bool loadSections(Port *memPort, Addr addrMask =
84 std::numeric_limits<Addr>::max());
85 virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
86 std::numeric_limits<Addr>::max()) = 0;
87 virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
88 std::numeric_limits<Addr>::max()) = 0;
89
90 virtual bool isDynamic() { return false; }
91 virtual bool hasTLS() { return false; }
92
93 Arch getArch() const { return arch; }
94 OpSys getOpSys() const { return opSys; }
95
96 protected:
97
98 struct Section {
99 Addr baseAddr;
100 uint8_t *fileImage;
101 size_t size;
102 };
103
104 Addr entry;
105 Addr globalPtr;
106
107 Section text;
108 Section data;
109 Section bss;
110
111 bool loadSection(Section *sec, Port *memPort, Addr addrMask);
112 void setGlobalPointer(Addr global_ptr) { globalPtr = global_ptr; }
113
114 public:
115 Addr entryPoint() const { return entry; }
116
117 Addr globalPointer() const { return globalPtr; }
118
119 Addr textBase() const { return text.baseAddr; }
120 Addr dataBase() const { return data.baseAddr; }
121 Addr bssBase() const { return bss.baseAddr; }
122
123 size_t textSize() const { return text.size; }
124 size_t dataSize() const { return data.size; }
125 size_t bssSize() const { return bss.size; }
126
127 void setTextBase(Addr a) { text.baseAddr = a; }
128};
129
130ObjectFile *createObjectFile(const std::string &fname, bool raw = false);
131
132
133#endif // __OBJECT_FILE_HH__