1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef DC_DCLOADER_H
#define DC_DCLOADER_H
#include "dc.h"
#define MAXDLERRLEN 80
class DLObject {
private:
char *errbuf; /* For error messages, at least MAXDLERRLEN in size */
void *segment, *symtab;
char *strtab;
int symbol_cnt;
void *dtors_start, *dtors_end;
void seterror(const char *fmt, ...);
void unload();
bool relocate(int fd, unsigned long offset, unsigned long size);
bool load(int fd);
public:
bool open(const char *path);
bool close();
void *symbol(const char *name);
void discard_symtab();
DLObject(char *_errbuf = NULL) : errbuf(_errbuf), segment(NULL),symtab(NULL),
strtab(NULL), symbol_cnt(0), dtors_start(NULL), dtors_end(NULL) {}
};
#define RTLD_LAZY 0
extern "C" {
void *dlopen(const char *filename, int flags);
int dlclose(void *handle);
void *dlsym(void *handle, const char *symbol);
const char *dlerror();
void dlforgetsyms(void *handle);
}
#endif
|
