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
25 $Id: suck.h 7783 2007-04-20 13:28:27Z twisti $
36 #include "toolbox/hashtable.h"
37 #include "toolbox/list.h"
39 #include "vm/global.h"
41 #include "vmcore/class.h"
42 #include "vmcore/loader.h"
45 /* list_classpath_entry *******************************************************/
52 typedef struct list_classpath_entry list_classpath_entry;
54 struct list_classpath_entry {
55 #if defined(ENABLE_THREADS)
56 java_objectheader header; /* monitor locking on zip/jar files */
61 #if defined(ENABLE_ZLIB)
68 /* macros to read LE and BE types from a buffer ********************************
70 BE macros are for Java class file loading.
71 LE macros are for ZIP file loading.
73 *******************************************************************************/
75 /* LE macros (for ZIP files ) *************************************************/
77 #if defined(__I386__) || defined(__X86_64__)
79 /* we can optimize the LE access on little endian machines without alignment */
81 #define SUCK_LE_U1(p) *((u1 *) (p))
82 #define SUCK_LE_U2(p) *((u2 *) (p))
83 #define SUCK_LE_U4(p) *((u4 *) (p))
86 #define SUCK_LE_U8(p) *((u8 *) (p))
89 #else /* defined(__I386__) || defined(__X86_64__) */
91 #define SUCK_LE_U1(p) \
94 #define SUCK_LE_U2(p) \
95 ((((u2) (p)[1]) << 8) + \
98 #define SUCK_LE_U4(p) \
99 ((((u4) (p)[3]) << 24) + \
100 (((u4) (p)[2]) << 16) + \
101 (((u4) (p)[1]) << 8) + \
104 #if U8_AVAILABLE == 1
105 #define SUCK_LE_U8(p) \
106 ((((u8) (p)[7]) << 56) + \
107 (((u8) (p)[6]) << 48) + \
108 (((u8) (p)[5]) << 40) + \
109 (((u8) (p)[4]) << 32) + \
110 (((u8) (p)[3]) << 24) + \
111 (((u8) (p)[2]) << 16) + \
112 (((u8) (p)[1]) << 8) + \
116 #endif /* defined(__I386__) || defined(__X86_64__) */
119 /* BE macros (for Java class files ) ******************************************/
121 #define SUCK_BE_U1(p) \
124 #define SUCK_BE_U2(p) \
125 ((((u2) (p)[0]) << 8) + \
128 #define SUCK_BE_U4(p) \
129 ((((u4) (p)[0]) << 24) + \
130 (((u4) (p)[1]) << 16) + \
131 (((u4) (p)[2]) << 8) + \
134 #if U8_AVAILABLE == 1
135 #define SUCK_BE_U8(p) \
136 ((((u8) (p)[0]) << 56) + \
137 (((u8) (p)[1]) << 48) + \
138 (((u8) (p)[2]) << 40) + \
139 (((u8) (p)[3]) << 32) + \
140 (((u8) (p)[4]) << 24) + \
141 (((u8) (p)[5]) << 16) + \
142 (((u8) (p)[6]) << 8) + \
147 #define SUCK_BE_S1(p) (s1) SUCK_BE_U1(p)
148 #define SUCK_BE_S2(p) (s2) SUCK_BE_U2(p)
149 #define SUCK_BE_S4(p) (s4) SUCK_BE_U4(p)
150 #define SUCK_BE_S8(p) (s8) SUCK_BE_U8(p)
153 /* signed suck defines ********************************************************/
155 #define suck_s1(a) (s1) suck_u1((a))
156 #define suck_s2(a) (s2) suck_u2((a))
157 #define suck_s4(a) (s4) suck_u4((a))
158 #define suck_s8(a) (s8) suck_u8((a))
161 /* export variables ***********************************************************/
163 extern list_t *list_classpath_entries;
166 /* function prototypes ********************************************************/
168 bool suck_init(void);
170 void suck_add(char *classpath);
171 void suck_add_from_property(char *key);
173 bool suck_check_classbuffer_size(classbuffer *cb, s4 len);
175 u1 suck_u1(classbuffer *cb);
176 u2 suck_u2(classbuffer *cb);
177 u4 suck_u4(classbuffer *cb);
178 u8 suck_u8(classbuffer *cb);
180 float suck_float(classbuffer *cb);
181 double suck_double(classbuffer *cb);
183 void suck_nbytes(u1 *buffer, classbuffer *cb, s4 len);
184 void suck_skip_nbytes(classbuffer *cb, s4 len);
186 classbuffer *suck_start(classinfo *c);
188 void suck_stop(classbuffer *cb);
193 * These are local overrides for various environment variables in Emacs.
194 * Please do not remove this and leave it at the end of the file, where
195 * Emacs will automagically detect them.
196 * ---------------------------------------------------------------------
199 * indent-tabs-mode: t