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) 1999 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 <stdlib.h>
31*0Sstevel@tonic-gate #include <string.h>
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #include <fcode/private.h>
34*0Sstevel@tonic-gate #include <fcode/log.h>
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate fcode_env_t *initial_env = 0;
37*0Sstevel@tonic-gate int dict_size = 0x100000;	/* 1Mb, hopefully big enough... */
38*0Sstevel@tonic-gate int stack_size = 0x200;
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate void *
41*0Sstevel@tonic-gate safe_malloc(size_t n, char *f, int l)
42*0Sstevel@tonic-gate {
43*0Sstevel@tonic-gate 	void *p;
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate 	p = malloc((size_t) n);
46*0Sstevel@tonic-gate #if defined(__sparcv9)
47*0Sstevel@tonic-gate 	/*
48*0Sstevel@tonic-gate 	 * For Ultrasparc, we must force addresses to be less than 4Gb,
49*0Sstevel@tonic-gate 	 * since Fcode assumes that addresses can be stored in 32 bits.
50*0Sstevel@tonic-gate 	 * To get around this would require turning all addresses into
51*0Sstevel@tonic-gate 	 * cookies, which is a lot of work.
52*0Sstevel@tonic-gate 	 */
53*0Sstevel@tonic-gate 	if (((uint64_t)p) >= 0x100000000) {
54*0Sstevel@tonic-gate 		log_message(MSG_WARN, "Malloc returned address > 4Gb\n");
55*0Sstevel@tonic-gate 	}
56*0Sstevel@tonic-gate #endif	/* __sparcv9 */
57*0Sstevel@tonic-gate 	if (p) {
58*0Sstevel@tonic-gate 		memset(p, 0, (size_t) n);
59*0Sstevel@tonic-gate 	} else
60*0Sstevel@tonic-gate 		log_message(MSG_ERROR, "%s:%d:Malloc(%llx) failed\n", f, l,
61*0Sstevel@tonic-gate 		    (uint64_t)n);
62*0Sstevel@tonic-gate 	return (p);
63*0Sstevel@tonic-gate }
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate void *
66*0Sstevel@tonic-gate safe_realloc(void *p, size_t n, char *f, int l)
67*0Sstevel@tonic-gate {
68*0Sstevel@tonic-gate 	void *newp;
69*0Sstevel@tonic-gate 
70*0Sstevel@tonic-gate 	if ((newp = safe_malloc(n, f, l)) == NULL) {
71*0Sstevel@tonic-gate 		log_message(MSG_ERROR, "%s:%d:realloc(%p, %x) failed\n", f, l,
72*0Sstevel@tonic-gate 		    p, n);
73*0Sstevel@tonic-gate 		safe_free(p, f, l);
74*0Sstevel@tonic-gate 		return (NULL);
75*0Sstevel@tonic-gate 	}
76*0Sstevel@tonic-gate 	if (p) {
77*0Sstevel@tonic-gate 		memcpy(newp, p, n);
78*0Sstevel@tonic-gate 		safe_free(p, f, l);
79*0Sstevel@tonic-gate 	}
80*0Sstevel@tonic-gate 	return (newp);
81*0Sstevel@tonic-gate }
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate void
84*0Sstevel@tonic-gate safe_free(void *p, char *f, int l)
85*0Sstevel@tonic-gate {
86*0Sstevel@tonic-gate 	if (p) {
87*0Sstevel@tonic-gate 		free(p);
88*0Sstevel@tonic-gate 	}
89*0Sstevel@tonic-gate }
90*0Sstevel@tonic-gate 
91*0Sstevel@tonic-gate char *
92*0Sstevel@tonic-gate safe_strdup(char *s, char *f, int l)
93*0Sstevel@tonic-gate {
94*0Sstevel@tonic-gate 	char *p = strdup(s);
95*0Sstevel@tonic-gate 
96*0Sstevel@tonic-gate 	return (p);
97*0Sstevel@tonic-gate }
98*0Sstevel@tonic-gate 
99*0Sstevel@tonic-gate #pragma init(_init)
100*0Sstevel@tonic-gate 
101*0Sstevel@tonic-gate static void
102*0Sstevel@tonic-gate _init(void)
103*0Sstevel@tonic-gate {
104*0Sstevel@tonic-gate 	int i;
105*0Sstevel@tonic-gate 	acf_t f_error_addr;
106*0Sstevel@tonic-gate 	fcode_env_t *env;
107*0Sstevel@tonic-gate 
108*0Sstevel@tonic-gate 	NOTICE;
109*0Sstevel@tonic-gate 
110*0Sstevel@tonic-gate 	fcode_impl_count = 0;
111*0Sstevel@tonic-gate 	env = MALLOC(sizeof (fcode_env_t));
112*0Sstevel@tonic-gate 	env->table = MALLOC((MAX_FCODE + 1) * sizeof (fcode_token));
113*0Sstevel@tonic-gate 	env->base = MALLOC(dict_size);
114*0Sstevel@tonic-gate 	env->here = env->base;
115*0Sstevel@tonic-gate 	env->ds = env->ds0 = MALLOC(stack_size * sizeof (fstack_t));
116*0Sstevel@tonic-gate 	env->rs = env->rs0 = MALLOC(stack_size * sizeof (fstack_t));
117*0Sstevel@tonic-gate 	env->order = MALLOC(MAX_ORDER * sizeof (token_t));
118*0Sstevel@tonic-gate 	env->input = MALLOC(sizeof (input_typ));
119*0Sstevel@tonic-gate 	env->num_base = 0x10;
120*0Sstevel@tonic-gate 
121*0Sstevel@tonic-gate 	/* Setup the initial forth environment */
122*0Sstevel@tonic-gate 	do_forth(env);
123*0Sstevel@tonic-gate 	do_definitions(env);
124*0Sstevel@tonic-gate 	install_handlers(env);
125*0Sstevel@tonic-gate 
126*0Sstevel@tonic-gate 	initial_env = env;
127*0Sstevel@tonic-gate 
128*0Sstevel@tonic-gate 	/*
129*0Sstevel@tonic-gate 	 * Need to define this early because it is the default for
130*0Sstevel@tonic-gate 	 * all unimpl, FCODE functions
131*0Sstevel@tonic-gate 	 */
132*0Sstevel@tonic-gate 	P1275(0x0fc, IMMEDIATE,	"ferror",		f_error);
133*0Sstevel@tonic-gate 	f_error_addr = LINK_TO_ACF(env->lastlink);
134*0Sstevel@tonic-gate 	for (i = 0; i <= MAX_FCODE; i++) {
135*0Sstevel@tonic-gate 		DEBUGF(ANY, env->table[i].usage = 0);
136*0Sstevel@tonic-gate 		SET_TOKEN(i, IMMEDIATE, "ferror", f_error_addr);
137*0Sstevel@tonic-gate 	}
138*0Sstevel@tonic-gate 	fcode_impl_count = 0;
139*0Sstevel@tonic-gate }
140