1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #pragma ident "%Z%%M% %I% %E% SMI"
27
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31
32 #include <fcode/private.h>
33 #include <fcode/log.h>
34
35 fcode_env_t *initial_env = 0;
36 int dict_size = 0x4000000; /* 64Mb, hopefully big enough... */
37 int stack_size = 0x200;
38
39 void *
safe_malloc(size_t n,char * f,int l)40 safe_malloc(size_t n, char *f, int l)
41 {
42 void *p;
43
44 p = malloc((size_t)n);
45 #if defined(__sparcv9)
46 /*
47 * For Ultrasparc, we must force addresses to be less than 4Gb,
48 * since Fcode assumes that addresses can be stored in 32 bits.
49 * To get around this would require turning all addresses into
50 * cookies, which is a lot of work.
51 */
52 if (((uint64_t)p) >= 0x100000000) {
53 log_message(MSG_WARN, "Malloc returned address > 4Gb\n");
54 }
55 #endif /* __sparcv9 */
56 if (p) {
57 memset(p, 0, (size_t)n);
58 } else
59 log_message(MSG_ERROR, "%s:%d:Malloc(%llx) failed\n", f, l,
60 (uint64_t)n);
61 return (p);
62 }
63
64 void *
safe_realloc(void * p,size_t n,char * f,int l)65 safe_realloc(void *p, size_t n, char *f, int l)
66 {
67 void *newp;
68
69 if ((newp = safe_malloc(n, f, l)) == NULL) {
70 log_message(MSG_ERROR, "%s:%d:realloc(%p, %x) failed\n", f, l,
71 p, n);
72 safe_free(p, f, l);
73 return (NULL);
74 }
75 if (p) {
76 memcpy(newp, p, n);
77 safe_free(p, f, l);
78 }
79 return (newp);
80 }
81
82 void
safe_free(void * p,char * f,int l)83 safe_free(void *p, char *f, int l)
84 {
85 if (p) {
86 free(p);
87 }
88 }
89
90 char *
safe_strdup(char * s,char * f,int l)91 safe_strdup(char *s, char *f, int l)
92 {
93 char *p = strdup(s);
94
95 return (p);
96 }
97
98 #pragma init(_init)
99
100 static void
_init(void)101 _init(void)
102 {
103 int i;
104 acf_t f_error_addr;
105 fcode_env_t *env;
106
107 NOTICE;
108
109 fcode_impl_count = 0;
110 env = MALLOC(sizeof (fcode_env_t));
111 env->table = MALLOC((MAX_FCODE + 1) * sizeof (fcode_token));
112 env->base = MALLOC(dict_size);
113 env->here = env->base;
114 env->ds = env->ds0 = MALLOC(stack_size * sizeof (fstack_t));
115 env->rs = env->rs0 = MALLOC(stack_size * sizeof (fstack_t));
116 env->order = MALLOC(MAX_ORDER * sizeof (token_t));
117 env->input = MALLOC(sizeof (input_typ));
118 env->num_base = 0x10;
119
120 /* Setup the initial forth environment */
121 do_forth(env);
122 do_definitions(env);
123 install_handlers(env);
124
125 initial_env = env;
126
127 /*
128 * Need to define this early because it is the default for
129 * all unimpl, FCODE functions
130 */
131 P1275(0x0fc, IMMEDIATE, "ferror", f_error);
132 f_error_addr = LINK_TO_ACF(env->lastlink);
133 for (i = 0; i <= MAX_FCODE; i++) {
134 DEBUGF(ANY, env->table[i].usage = 0);
135 SET_TOKEN(i, IMMEDIATE, "ferror", f_error_addr);
136 }
137 fcode_impl_count = 0;
138 }
139