1 /* src/vmcore/suck.h - functions to read LE ordered types from a buffer
3 Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
34 #include "toolbox/hashtable.h"
35 #include "toolbox/list.h"
37 #include "vm/global.h"
39 #include "vmcore/class.h"
40 #include "vmcore/loader.h"
43 /* list_classpath_entry *******************************************************/
50 typedef struct list_classpath_entry list_classpath_entry;
52 struct list_classpath_entry {
53 #if defined(ENABLE_THREADS)
54 java_object_t header; /* monitor locking on zip/jar files */
59 #if defined(ENABLE_ZLIB)
66 /* macros to read LE and BE types from a buffer ********************************
68 BE macros are for Java class file loading.
69 LE macros are for ZIP file loading.
71 *******************************************************************************/
73 /* LE macros (for ZIP files ) *************************************************/
75 #if defined(__I386__) || defined(__X86_64__)
77 /* we can optimize the LE access on little endian machines without alignment */
79 #define SUCK_LE_U1(p) *((u1 *) (p))
80 #define SUCK_LE_U2(p) *((u2 *) (p))
81 #define SUCK_LE_U4(p) *((u4 *) (p))
84 #define SUCK_LE_U8(p) *((u8 *) (p))
87 #else /* defined(__I386__) || defined(__X86_64__) */
89 #define SUCK_LE_U1(p) \
92 #define SUCK_LE_U2(p) \
93 ((((u2) (p)[1]) << 8) + \
96 #define SUCK_LE_U4(p) \
97 ((((u4) (p)[3]) << 24) + \
98 (((u4) (p)[2]) << 16) + \
99 (((u4) (p)[1]) << 8) + \
102 #if U8_AVAILABLE == 1
103 #define SUCK_LE_U8(p) \
104 ((((u8) (p)[7]) << 56) + \
105 (((u8) (p)[6]) << 48) + \
106 (((u8) (p)[5]) << 40) + \
107 (((u8) (p)[4]) << 32) + \
108 (((u8) (p)[3]) << 24) + \
109 (((u8) (p)[2]) << 16) + \
110 (((u8) (p)[1]) << 8) + \
114 #endif /* defined(__I386__) || defined(__X86_64__) */
117 /* BE macros (for Java class files ) ******************************************/
119 #define SUCK_BE_U1(p) \
122 #define SUCK_BE_U2(p) \
123 ((((u2) (p)[0]) << 8) + \
126 #define SUCK_BE_U4(p) \
127 ((((u4) (p)[0]) << 24) + \
128 (((u4) (p)[1]) << 16) + \
129 (((u4) (p)[2]) << 8) + \
132 #if U8_AVAILABLE == 1
133 #define SUCK_BE_U8(p) \
134 ((((u8) (p)[0]) << 56) + \
135 (((u8) (p)[1]) << 48) + \
136 (((u8) (p)[2]) << 40) + \
137 (((u8) (p)[3]) << 32) + \
138 (((u8) (p)[4]) << 24) + \
139 (((u8) (p)[5]) << 16) + \
140 (((u8) (p)[6]) << 8) + \
145 #define SUCK_BE_S1(p) (s1) SUCK_BE_U1(p)
146 #define SUCK_BE_S2(p) (s2) SUCK_BE_U2(p)
147 #define SUCK_BE_S4(p) (s4) SUCK_BE_U4(p)
148 #define SUCK_BE_S8(p) (s8) SUCK_BE_U8(p)
151 /* signed suck defines ********************************************************/
153 #define suck_s1(a) (s1) suck_u1((a))
154 #define suck_s2(a) (s2) suck_u2((a))
155 #define suck_s4(a) (s4) suck_u4((a))
156 #define suck_s8(a) (s8) suck_u8((a))
159 /* export variables ***********************************************************/
161 extern list_t *list_classpath_entries;
164 /* function prototypes ********************************************************/
166 bool suck_init(void);
168 void suck_add(char *classpath);
169 void suck_add_from_property(char *key);
171 bool suck_check_classbuffer_size(classbuffer *cb, s4 len);
173 u1 suck_u1(classbuffer *cb);
174 u2 suck_u2(classbuffer *cb);
175 u4 suck_u4(classbuffer *cb);
176 u8 suck_u8(classbuffer *cb);
178 float suck_float(classbuffer *cb);
179 double suck_double(classbuffer *cb);
181 void suck_nbytes(u1 *buffer, classbuffer *cb, s4 len);
182 void suck_skip_nbytes(classbuffer *cb, s4 len);
184 classbuffer *suck_start(classinfo *c);
186 void suck_stop(classbuffer *cb);
191 * These are local overrides for various environment variables in Emacs.
192 * Please do not remove this and leave it at the end of the file, where
193 * Emacs will automagically detect them.
194 * ---------------------------------------------------------------------
197 * indent-tabs-mode: t