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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/* Copyright (c) 1997-2005 Miller Puckette, krzYszcz, and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
/* This is just a not-yet-in-the-API-sys_load_lib() duplication
(modulo differentiating the error return codes). LATER use the original. */
/* this is for GNU/Linux and also Debian GNU/Hurd and GNU/kFreeBSD */
#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__GNU__) || defined(__GLIBC__)
#include <dlfcn.h>
#endif
#ifdef UNIX
#include <stdlib.h>
#include <unistd.h>
#endif
#ifdef _WIN32
#include <io.h>
#include <windows.h>
#endif
#ifdef MACOSX
#include <mach-o/dyld.h>
#endif
#include <string.h>
#include <stdio.h>
#include "m_pd.h"
#include "common/loud.h"
#include "common/os.h"
#include "loader.h"
typedef void (*t_xxx)(void);
static char sys_dllextent[] =
#ifdef __FreeBSD__
".pd_freebsd";
#endif
#ifdef IRIX
#ifdef N32
".pd_irix6";
#else
".pd_irix5";
#endif
#endif
/* this is for GNU/Linux and also Debian GNU/Hurd and GNU/kFreeBSD */
#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__GNU__) || defined(__GLIBC__)
".pd_linux";
#endif
#ifdef MACOSX
".pd_darwin";
#endif
#ifdef _WIN32
".dll";
#endif
static int unstable_doload_lib(char *dirname, char *classname)
{
char symname[MAXPDSTRING], filename[MAXPDSTRING], *lastdot;
void *dlobj;
t_xxx makeout;
#ifdef _WIN32
HINSTANCE ntdll;
#endif
/* refabricate the pathname */
strcpy(filename, dirname);
strcat(filename, "/");
strcat(filename, classname);
/* extract the setup function name */
if (lastdot = strrchr(classname, '.'))
*lastdot = 0;
#ifdef MACOSX
strcpy(symname, "_");
strcat(symname, classname);
#else
strcpy(symname, classname);
#endif
/* if the last character is a tilde, replace with "_tilde" */
if (symname[strlen(symname) - 1] == '~')
strcpy(symname + (strlen(symname) - 1), "_tilde");
/* and append _setup to form the C setup function name */
strcat(symname, "_setup");
/* this is for GNU/Linux and also Debian GNU/Hurd and GNU/kFreeBSD */
#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__GNU__) || defined(__GLIBC__)
dlobj = dlopen(filename, RTLD_NOW | RTLD_GLOBAL);
if (!dlobj)
{
post("%s: %s", filename, dlerror());
return (LOADER_BADFILE);
}
makeout = (t_xxx)dlsym(dlobj, symname);
#endif
#ifdef _WIN32
sys_bashfilename(filename, filename);
ntdll = LoadLibrary(filename);
if (!ntdll)
{
post("%s: couldn't load", filename);
return (LOADER_BADFILE);
}
makeout = (t_xxx)GetProcAddress(ntdll, symname);
#endif
#ifdef MACOSX
{
NSObjectFileImage image;
void *ret;
NSSymbol s;
if ( NSCreateObjectFileImageFromFile( filename, &image) != NSObjectFileImageSuccess )
{
post("%s: couldn't load", filename);
return (LOADER_BADFILE);
}
ret = NSLinkModule( image, filename,
NSLINKMODULE_OPTION_BINDNOW
+ NSLINKMODULE_OPTION_PRIVATE);
s = NSLookupSymbolInModule(ret, symname);
if (s)
makeout = (t_xxx)NSAddressOfSymbol( s);
else makeout = 0;
}
#endif
if (!makeout)
{
post("load_object: Symbol \"%s\" not found", symname);
return (LOADER_NOENTRY);
}
(*makeout)();
return (LOADER_OK);
}
/* start searching from dirname, then search the path */
int unstable_load_lib(char *dirname, char *classname)
{
char dirbuf[MAXPDSTRING], *nameptr;
int fd;
if ((fd = open_via_path(dirname, classname, sys_dllextent,
dirbuf, &nameptr, MAXPDSTRING, 1)) < 0)
{
return (LOADER_NOFILE);
}
else
{
close(fd);
return (unstable_doload_lib(dirbuf, nameptr));
}
}
/* only dirname is searched */
int unstable_dirload_lib(char *dirname, char *classname)
{
if (strlen(dirname) + strlen(classname) + strlen(sys_dllextent) + 3 <
MAXPDSTRING)
{
char namebuf[MAXPDSTRING], *slash, *nameptr;
strcpy(namebuf, dirname);
if (*dirname && namebuf[strlen(namebuf)-1] != '/')
strcat(namebuf, "/");
strcat(namebuf, classname);
strcat(namebuf, sys_dllextent);
slash = strrchr(namebuf, '/');
if (slash)
{
*slash = 0;
nameptr = slash + 1;
}
else nameptr = namebuf;
return (unstable_doload_lib(namebuf, nameptr));
}
else return (LOADER_FAILED);
}
/* return the number of successfully loaded libraries, or -1 on error */
int unstable_dirload_all(char *dirname, int beloud, int withclasses)
{
t_osdir *dp = osdir_open(dirname);
if (dp)
{
int result = 0;
char namebuf[MAXPDSTRING], *name;
osdir_setmode(dp, OSDIR_FILEMODE);
while (name = osdir_next(dp))
{
int namelen = strlen(name), extlen = strlen(sys_dllextent);
if ((namelen -= extlen) > 0 &&
strcmp(name + namelen, sys_dllextent) == 0)
{
strncpy(namebuf, name, namelen);
namebuf[namelen] = 0;
if (zgetfn(&pd_objectmaker, gensym(namebuf)))
{
if (beloud)
loud_warning(0, "xeq", "plugin \"%s\" already loaded",
namebuf);
}
else
{
int err;
if (beloud)
post("loading xeq plugin \"%s\"", namebuf);
err = unstable_dirload_lib(dirname, namebuf);
if (err == LOADER_NOFILE)
{
if (beloud)
loud_error(0, "xeq plugin \"%s\" disappeared",
namebuf);
}
else if (!zgetfn(&pd_objectmaker, gensym(namebuf)))
{
if (beloud)
loud_error(0, "library \"%s\" not compatible",
namebuf);
}
else result++;
}
}
}
osdir_close(dp);
return (result);
}
else
{
if (beloud)
loud_syserror(0, "cannot open \"%s\"", dirname);
return (-1);
}
}
|
