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 "base/types.hh"
39
40class PortProxy;
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 Arm64,
56 Arm,
57 Thumb,
58 Power
59 };
60
61 enum OpSys {
62 UnknownOpSys,
63 Tru64,
64 Linux,
65 Solaris,
66 LinuxArmOABI,
67 FreeBSD
68 };
69
70 protected:
71 const std::string filename;
| 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 "base/types.hh"
39
40class PortProxy;
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 Arm64,
56 Arm,
57 Thumb,
58 Power
59 };
60
61 enum OpSys {
62 UnknownOpSys,
63 Tru64,
64 Linux,
65 Solaris,
66 LinuxArmOABI,
67 FreeBSD
68 };
69
70 protected:
71 const std::string filename;
|
81 Arch _arch, OpSys _opSys);
82
83 public:
84 virtual ~ObjectFile();
85
86 void close();
87
88 virtual bool loadSections(PortProxy& memProxy, Addr addrMask =
89 std::numeric_limits<Addr>::max(),
90 Addr offset = 0);
91 virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
92 std::numeric_limits<Addr>::max()) = 0;
93 virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
94 std::numeric_limits<Addr>::max()) = 0;
95 virtual bool loadWeakSymbols(SymbolTable *symtab, Addr addrMask =
96 std::numeric_limits<Addr>::max())
97 { return false; }
98
99 virtual bool isDynamic() { return false; }
100 virtual bool hasTLS() { return false; }
101
102 Arch getArch() const { return arch; }
103 OpSys getOpSys() const { return opSys; }
104
105 protected:
106
107 struct Section {
108 Addr baseAddr;
109 uint8_t *fileImage;
110 size_t size;
111 };
112
113 Addr entry;
114 Addr globalPtr;
115
116 Section text;
117 Section data;
118 Section bss;
119
120 bool loadSection(Section *sec, PortProxy& memProxy, Addr addrMask,
121 Addr offset = 0);
122 void setGlobalPointer(Addr global_ptr) { globalPtr = global_ptr; }
123
124 public:
125 Addr entryPoint() const { return entry; }
126
127 Addr globalPointer() const { return globalPtr; }
128
129 Addr textBase() const { return text.baseAddr; }
130 Addr dataBase() const { return data.baseAddr; }
131 Addr bssBase() const { return bss.baseAddr; }
132
133 size_t textSize() const { return text.size; }
134 size_t dataSize() const { return data.size; }
135 size_t bssSize() const { return bss.size; }
136
137 /* This function allows you to override the base address where
138 * a binary is going to be loaded or set it if the binary is just a
139 * blob that doesn't include an object header.
140 * @param a address to load the binary/text section at
141 */
142 void setTextBase(Addr a) { text.baseAddr = a; }
143};
144
145ObjectFile *createObjectFile(const std::string &fname, bool raw = false);
146
147
148#endif // __OBJECT_FILE_HH__
| 79 Arch _arch, OpSys _opSys);
80
81 public:
82 virtual ~ObjectFile();
83
84 void close();
85
86 virtual bool loadSections(PortProxy& memProxy, Addr addrMask =
87 std::numeric_limits<Addr>::max(),
88 Addr offset = 0);
89 virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
90 std::numeric_limits<Addr>::max()) = 0;
91 virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
92 std::numeric_limits<Addr>::max()) = 0;
93 virtual bool loadWeakSymbols(SymbolTable *symtab, Addr addrMask =
94 std::numeric_limits<Addr>::max())
95 { return false; }
96
97 virtual bool isDynamic() { return false; }
98 virtual bool hasTLS() { return false; }
99
100 Arch getArch() const { return arch; }
101 OpSys getOpSys() const { return opSys; }
102
103 protected:
104
105 struct Section {
106 Addr baseAddr;
107 uint8_t *fileImage;
108 size_t size;
109 };
110
111 Addr entry;
112 Addr globalPtr;
113
114 Section text;
115 Section data;
116 Section bss;
117
118 bool loadSection(Section *sec, PortProxy& memProxy, Addr addrMask,
119 Addr offset = 0);
120 void setGlobalPointer(Addr global_ptr) { globalPtr = global_ptr; }
121
122 public:
123 Addr entryPoint() const { return entry; }
124
125 Addr globalPointer() const { return globalPtr; }
126
127 Addr textBase() const { return text.baseAddr; }
128 Addr dataBase() const { return data.baseAddr; }
129 Addr bssBase() const { return bss.baseAddr; }
130
131 size_t textSize() const { return text.size; }
132 size_t dataSize() const { return data.size; }
133 size_t bssSize() const { return bss.size; }
134
135 /* This function allows you to override the base address where
136 * a binary is going to be loaded or set it if the binary is just a
137 * blob that doesn't include an object header.
138 * @param a address to load the binary/text section at
139 */
140 void setTextBase(Addr a) { text.baseAddr = a; }
141};
142
143ObjectFile *createObjectFile(const std::string &fname, bool raw = false);
144
145
146#endif // __OBJECT_FILE_HH__
|