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
|
/* dl_mac.xs
*
* Platform: Macintosh CFM
* Author: Matthias Neeracher <neeri@iis.ee.ethz.ch>
* Adapted from dl_dlopen.xs reference implementation by
* Paul Marquess (pmarquess@bfsec.bt.co.uk)
* $Log: dl_mac.xs,v $
* Revision 1.3 1998/04/07 01:47:24 neeri
* MacPerl 5.2.0r4b1
*
* Revision 1.2 1997/08/08 16:39:18 neeri
* MacPerl 5.1.4b1 + time() fix
*
* Revision 1.1 1997/04/07 20:48:23 neeri
* Synchronized with MacPerl 5.1.4a1
*
*/
#define MAC_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include <CodeFragments.h>
#include "dlutils.c" /* SaveError() etc */
typedef CFragConnectionID ConnectionID;
static ConnectionID ** connections;
static void terminate(void)
{
int size = GetHandleSize((Handle) connections) / sizeof(ConnectionID);
HLock((Handle) connections);
while (size)
CloseConnection(*connections + --size);
DisposeHandle((Handle) connections);
connections = nil;
}
static void
dl_private_init(pTHX)
{
(void)dl_generic_private_init(aTHX);
}
MODULE = DynaLoader PACKAGE = DynaLoader
BOOT:
(void)dl_private_init(aTHX);
ConnectionID
dl_load_file(filename, flags=0)
char * filename
int flags
PREINIT:
OSErr err;
FSSpec spec;
ConnectionID connID;
Ptr mainAddr;
Str255 errName;
CODE:
DLDEBUG(1,PerlIO_printf(Perl_debug_log,"dl_load_file(%s):\n", filename));
err = GUSIPath2FSp(filename, &spec);
if (!err)
err =
GetDiskFragment(
&spec, 0, 0, spec.name, kLoadCFrag, &connID, &mainAddr, errName);
if (!err) {
if (!connections) {
connections = (ConnectionID **)NewHandle(0);
atexit(terminate);
}
PtrAndHand((Ptr) &connID, (Handle) connections, sizeof(ConnectionID));
RETVAL = connID;
} else
RETVAL = (ConnectionID) 0;
DLDEBUG(2,PerlIO_printf(Perl_debug_log," libref=%d\n", RETVAL));
ST(0) = sv_newmortal() ;
if (err)
SaveError(aTHX_ "DynaLoader error [%d, %#s]", err, errName) ;
else
sv_setiv( ST(0), (IV)RETVAL);
void *
dl_find_symbol(connID, symbol)
ConnectionID connID
Str255 symbol
CODE:
{
OSErr err;
Ptr symAddr;
CFragSymbolClass symClass;
DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_find_symbol(handle=%x, symbol=%#s)\n",
connID, symbol));
err = FindSymbol(connID, symbol, &symAddr, &symClass);
if (err)
symAddr = (Ptr) 0;
RETVAL = (void *) symAddr;
DLDEBUG(2,PerlIO_printf(Perl_debug_log," symbolref = %x\n", RETVAL));
ST(0) = sv_newmortal() ;
if (err)
SaveError(aTHX_ "DynaLoader error [%d]!", err) ;
else
sv_setiv( ST(0), (IV)RETVAL);
}
void
dl_undef_symbols()
PPCODE:
# These functions should not need changing on any platform:
void
dl_install_xsub(perl_name, symref, filename="$Package")
char * perl_name
void * symref
char * filename
CODE:
DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_install_xsub(name=%s, symref=%x)\n",
perl_name, symref));
ST(0)=sv_2mortal(newRV((SV*)newXS(perl_name, (void(*)())symref, filename)));
char *
dl_error()
CODE:
RETVAL = LastError ;
OUTPUT:
RETVAL
# end.
|
