1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright (c) 2000 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate * All rights reserved.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #include <stdio.h>
30*0Sstevel@tonic-gate #include <sys/shm.h>
31*0Sstevel@tonic-gate #include <dlfcn.h>
32*0Sstevel@tonic-gate #include <fcode/private.h>
33*0Sstevel@tonic-gate
34*0Sstevel@tonic-gate static void
do_dlopen(fcode_env_t * env)35*0Sstevel@tonic-gate do_dlopen(fcode_env_t *env)
36*0Sstevel@tonic-gate {
37*0Sstevel@tonic-gate char *name;
38*0Sstevel@tonic-gate int mode;
39*0Sstevel@tonic-gate void *pl;
40*0Sstevel@tonic-gate
41*0Sstevel@tonic-gate mode = POP(DS);
42*0Sstevel@tonic-gate name = pop_a_string(env, NULL);
43*0Sstevel@tonic-gate pl = dlopen(name, mode);
44*0Sstevel@tonic-gate PUSH(DS, (fstack_t)pl);
45*0Sstevel@tonic-gate }
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate static void
do_extend(fcode_env_t * env)48*0Sstevel@tonic-gate do_extend(fcode_env_t *env)
49*0Sstevel@tonic-gate {
50*0Sstevel@tonic-gate parse_word(env);
51*0Sstevel@tonic-gate PUSH(DS, (fstack_t)RTLD_NOW);
52*0Sstevel@tonic-gate do_dlopen(env);
53*0Sstevel@tonic-gate drop(env);
54*0Sstevel@tonic-gate }
55*0Sstevel@tonic-gate
56*0Sstevel@tonic-gate static void
do_dlclose(fcode_env_t * env)57*0Sstevel@tonic-gate do_dlclose(fcode_env_t *env)
58*0Sstevel@tonic-gate {
59*0Sstevel@tonic-gate void *pl = (void *)POP(DS);
60*0Sstevel@tonic-gate dlclose(pl);
61*0Sstevel@tonic-gate }
62*0Sstevel@tonic-gate
63*0Sstevel@tonic-gate static void
do_dlsym(fcode_env_t * env)64*0Sstevel@tonic-gate do_dlsym(fcode_env_t *env)
65*0Sstevel@tonic-gate {
66*0Sstevel@tonic-gate char *name;
67*0Sstevel@tonic-gate fstack_t d;
68*0Sstevel@tonic-gate
69*0Sstevel@tonic-gate name = pop_a_string(env, NULL);
70*0Sstevel@tonic-gate d = POP(DS);
71*0Sstevel@tonic-gate d = (fstack_t)dlsym((void *) d, name);
72*0Sstevel@tonic-gate PUSH(DS, d);
73*0Sstevel@tonic-gate }
74*0Sstevel@tonic-gate
75*0Sstevel@tonic-gate static void
do_dlexec(fcode_env_t * env)76*0Sstevel@tonic-gate do_dlexec(fcode_env_t *env)
77*0Sstevel@tonic-gate {
78*0Sstevel@tonic-gate int args;
79*0Sstevel@tonic-gate fstack_t a, b, c, d;
80*0Sstevel@tonic-gate fstack_t (*fn0)(void);
81*0Sstevel@tonic-gate fstack_t (*fn1)(fstack_t);
82*0Sstevel@tonic-gate fstack_t (*fn2)(fstack_t, fstack_t);
83*0Sstevel@tonic-gate fstack_t (*fn3)(fstack_t, fstack_t, fstack_t);
84*0Sstevel@tonic-gate fstack_t (*fn4)(fstack_t, fstack_t, fstack_t, fstack_t);
85*0Sstevel@tonic-gate
86*0Sstevel@tonic-gate args = POP(DS);
87*0Sstevel@tonic-gate a = POP(DS);
88*0Sstevel@tonic-gate switch (args) {
89*0Sstevel@tonic-gate
90*0Sstevel@tonic-gate case 0:
91*0Sstevel@tonic-gate fn0 = (fstack_t (*)(void)) a;
92*0Sstevel@tonic-gate a = fn0();
93*0Sstevel@tonic-gate PUSH(DS, a);
94*0Sstevel@tonic-gate break;
95*0Sstevel@tonic-gate
96*0Sstevel@tonic-gate case 1:
97*0Sstevel@tonic-gate fn1 = (fstack_t (*)(fstack_t)) a;
98*0Sstevel@tonic-gate a = POP(DS);
99*0Sstevel@tonic-gate a = fn1(a);
100*0Sstevel@tonic-gate PUSH(DS, a);
101*0Sstevel@tonic-gate break;
102*0Sstevel@tonic-gate
103*0Sstevel@tonic-gate case 2:
104*0Sstevel@tonic-gate fn2 = (fstack_t (*)(fstack_t, fstack_t))a;
105*0Sstevel@tonic-gate a = POP(DS);
106*0Sstevel@tonic-gate b = POP(DS);
107*0Sstevel@tonic-gate a = fn2(a, b);
108*0Sstevel@tonic-gate PUSH(DS, a);
109*0Sstevel@tonic-gate break;
110*0Sstevel@tonic-gate
111*0Sstevel@tonic-gate case 3:
112*0Sstevel@tonic-gate fn3 = (fstack_t (*)(fstack_t, fstack_t, fstack_t))a;
113*0Sstevel@tonic-gate a = POP(DS);
114*0Sstevel@tonic-gate b = POP(DS);
115*0Sstevel@tonic-gate c = POP(DS);
116*0Sstevel@tonic-gate a = fn3(a, b, c);
117*0Sstevel@tonic-gate PUSH(DS, a);
118*0Sstevel@tonic-gate break;
119*0Sstevel@tonic-gate
120*0Sstevel@tonic-gate case 4:
121*0Sstevel@tonic-gate fn4 = (fstack_t (*)(fstack_t, fstack_t, fstack_t, fstack_t))a;
122*0Sstevel@tonic-gate a = POP(DS);
123*0Sstevel@tonic-gate b = POP(DS);
124*0Sstevel@tonic-gate c = POP(DS);
125*0Sstevel@tonic-gate d = POP(DS);
126*0Sstevel@tonic-gate a = fn4(a, b, c, d);
127*0Sstevel@tonic-gate PUSH(DS, a);
128*0Sstevel@tonic-gate break;
129*0Sstevel@tonic-gate }
130*0Sstevel@tonic-gate }
131*0Sstevel@tonic-gate
132*0Sstevel@tonic-gate #pragma init(_init)
133*0Sstevel@tonic-gate
134*0Sstevel@tonic-gate static void
_init(void)135*0Sstevel@tonic-gate _init(void)
136*0Sstevel@tonic-gate {
137*0Sstevel@tonic-gate fcode_env_t *env = initial_env;
138*0Sstevel@tonic-gate
139*0Sstevel@tonic-gate ASSERT(env);
140*0Sstevel@tonic-gate NOTICE;
141*0Sstevel@tonic-gate
142*0Sstevel@tonic-gate FORTH(0, "dl-open", do_dlopen);
143*0Sstevel@tonic-gate FORTH(0, "dl-close", do_dlclose);
144*0Sstevel@tonic-gate FORTH(0, "dl-sym", do_dlsym);
145*0Sstevel@tonic-gate FORTH(0, "dl-exec", do_dlexec);
146*0Sstevel@tonic-gate FORTH(IMMEDIATE, "extend-from", do_extend);
147*0Sstevel@tonic-gate }
148