1 /* src/vm/jit/parse.h - parser header
3 Copyright (C) 1996-2005, 2006 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 Contact: cacao@cacaojvm.org
27 Author: Christian Thalinger
29 Changes: Edwin Steiner
31 $Id: parse.h 5958 2006-11-12 13:21:07Z edwin $
42 #include "vm/global.h"
43 #include "vm/jit/codegen-common.h"
46 /* macros for verifier checks during parsing **********************************/
48 #if defined(ENABLE_VERIFIER)
50 /* We have to check local variables indices here because they are */
51 /* used in stack.c to index the locals array. */
53 #define INDEX_ONEWORD(num) \
55 if (((num) < 0) || ((num) >= m->maxlocals)) \
56 goto throw_illegal_local_variable_number; \
59 #define INDEX_TWOWORD(num) \
61 if (((num) < 0) || (((num) + 1) >= m->maxlocals)) \
62 goto throw_illegal_local_variable_number; \
65 /* CHECK_BYTECODE_INDEX(i) checks whether i is a valid bytecode index. */
66 /* The end of the bytecode (i == m->jcodelength) is considered valid. */
68 #define CHECK_BYTECODE_INDEX(i) \
70 if (((i) < 0) || ((i) >= m->jcodelength)) \
71 goto throw_invalid_bytecode_index; \
74 /* CHECK_BYTECODE_INDEX_EXCLUSIVE is used for the exclusive ends */
75 /* of exception handler ranges. */
76 #define CHECK_BYTECODE_INDEX_EXCLUSIVE(i) \
78 if ((i) < 0 || (i) > m->jcodelength) \
79 goto throw_invalid_bytecode_index; \
82 #else /* !defined(ENABLE_VERIFIER) */
84 #define INDEX_ONEWORD(num)
85 #define INDEX_TWOWORD(num)
86 #define CHECK_BYTECODE_INDEX(i)
87 #define CHECK_BYTECODE_INDEX_EXCLUSIVE(i)
89 #endif /* defined(ENABLE_VERIFIER) */
92 /* basic block generating macro ***********************************************/
94 #define MARK_BASICBLOCK(i) \
96 if (!(jd->basicblockindex[(i)] & 1)) { \
98 jd->basicblockindex[(i)] |= 1; \
102 #define INSTRUCTIONS_CHECK(i) \
103 if ((ipc + (i)) > pd.instructionslength) \
104 iptr = parse_realloc_instructions(&pd, ipc, (i))
107 /* intermediate code generating macros ****************************************/
109 /* These macros ALWAYS set the following fields of *iptr to valid values: */
114 /* These macros do NOT touch the following fields of *iptr, unless a value is */
115 /* given for them: */
120 /* The _PREPARE macros omit the PINC, so you can set additional fields */
126 #define OP_PREPARE_FLAGS(o, f) \
128 iptr->line = currentline; \
129 iptr->flags.bits = (f) | (ipc << INS_FLAG_ID_SHIFT);
131 #define OP_PREPARE_ZEROFLAGS(o) \
132 OP_PREPARE_FLAGS(o, 0)
134 #define OP_PREPARE(o) \
135 OP_PREPARE_ZEROFLAGS(o)
138 OP_PREPARE_ZEROFLAGS(o); \
141 #define OP_LOADCONST_I(v) \
142 OP_PREPARE_ZEROFLAGS(ICMD_ICONST); \
143 iptr->sx.val.i = (v); \
146 #define OP_LOADCONST_L(v) \
147 OP_PREPARE_ZEROFLAGS(ICMD_LCONST); \
148 iptr->sx.val.l = (v); \
151 #define OP_LOADCONST_F(v) \
152 OP_PREPARE_ZEROFLAGS(ICMD_FCONST); \
153 iptr->sx.val.f = (v); \
156 #define OP_LOADCONST_D(v) \
157 OP_PREPARE_ZEROFLAGS(ICMD_DCONST); \
158 iptr->sx.val.d = (v); \
161 #define OP_LOADCONST_NULL() \
162 OP_PREPARE_FLAGS(ICMD_ACONST, INS_FLAG_CHECK); \
163 iptr->sx.val.anyptr = NULL; \
166 #define OP_LOADCONST_STRING(v) \
167 OP_PREPARE_FLAGS(ICMD_ACONST, INS_FLAG_CHECK); \
168 iptr->sx.val.stringconst = (v); \
171 #define OP_LOADCONST_CLASSINFO_OR_CLASSREF_FLAGS(cl, cr, extraflags) \
172 OP_PREPARE(ICMD_ACONST); \
174 iptr->sx.val.c.cls = (cl); \
175 iptr->flags.bits |= INS_FLAG_CLASS | (extraflags); \
178 iptr->sx.val.c.ref = (cr); \
179 iptr->flags.bits |= INS_FLAG_CLASS | INS_FLAG_UNRESOLVED \
184 #define OP_LOADCONST_CLASSINFO_OR_CLASSREF_CHECK(c, cr) \
185 OP_LOADCONST_CLASSINFO_OR_CLASSREF_FLAGS((c), (cr), INS_FLAG_CHECK)
187 #define OP_LOADCONST_CLASSINFO_OR_CLASSREF_NOCHECK(c, cr) \
188 OP_LOADCONST_CLASSINFO_OR_CLASSREF_FLAGS((c), (cr), 0)
190 #define OP_S3_CLASSINFO_OR_CLASSREF(o, c, cr, extraflags) \
193 iptr->sx.s23.s3.c.cls= (c); \
194 iptr->flags.bits |= (extraflags); \
197 iptr->sx.s23.s3.c.ref= (cr); \
198 iptr->flags.bits |= INS_FLAG_UNRESOLVED | (extraflags); \
202 #define OP_INSINDEX(o, iindex) \
203 OP_PREPARE_ZEROFLAGS(o); \
204 iptr->dst.insindex = (iindex); \
207 # define OP_LOCALINDEX(o,index) \
208 OP_PREPARE_ZEROFLAGS(o); \
209 iptr->s1.varindex = (index); \
212 # define OP_LOCALINDEX_I(o,index,v) \
213 OP_PREPARE_ZEROFLAGS(o); \
214 iptr->s1.varindex = (index); \
215 iptr->sx.val.i = (v); \
218 # define LOCALTYPE_USED(index,type) \
220 local_map[(index) * 5 + (type)] = 1; \
223 #define OP_LOAD_ONEWORD(o,index,type) \
225 INDEX_ONEWORD(index); \
226 OP_LOCALINDEX(o,index); \
227 LOCALTYPE_USED(index,type); \
230 #define OP_LOAD_TWOWORD(o,index,type) \
232 INDEX_TWOWORD(index); \
233 OP_LOCALINDEX(o,index); \
234 LOCALTYPE_USED(index,type); \
237 # define OP_STORE_ONEWORD(o,index,type) \
239 INDEX_ONEWORD(index); \
240 OP_PREPARE_ZEROFLAGS(o); \
241 iptr->dst.varindex = (index); \
242 LOCALTYPE_USED(index,type); \
246 # define OP_STORE_TWOWORD(o,index,type) \
248 INDEX_TWOWORD(index); \
249 OP_PREPARE_ZEROFLAGS(o); \
250 iptr->dst.varindex = (index); \
251 LOCALTYPE_USED(index,type); \
255 #define OP_BUILTIN_CHECK_EXCEPTION(bte) \
256 jd->isleafmethod = false; \
257 OP_PREPARE_FLAGS(ICMD_BUILTIN, INS_FLAG_CHECK); \
258 iptr->sx.s23.s3.bte = (bte); \
261 #define OP_BUILTIN_NO_EXCEPTION(bte) \
262 jd->isleafmethod = false; \
263 OP_PREPARE_ZEROFLAGS(ICMD_BUILTIN); \
264 iptr->sx.s23.s3.bte = (bte); \
267 #define OP_BUILTIN_ARITHMETIC(opcode, bte) \
268 jd->isleafmethod = false; \
269 OP_PREPARE_FLAGS(opcode, INS_FLAG_CHECK); \
270 iptr->sx.s23.s3.bte = (bte); \
273 /* CAUTION: You must set iptr->flags yourself when using this! */
274 #define OP_FMIREF_PREPARE(o, fmiref) \
276 iptr->sx.s23.s3.fmiref = (fmiref);
279 /* external macros ************************************************************/
281 #define BLOCK_OF(index) \
282 (jd->basicblocks + jd->basicblockindex[index])
285 /* function prototypes ********************************************************/
287 bool parse(jitdata *jd);
289 #endif /* _PARSE_H */
293 * These are local overrides for various environment variables in Emacs.
294 * Please do not remove this and leave it at the end of the file, where
295 * Emacs will automagically detect them.
296 * ---------------------------------------------------------------------
299 * indent-tabs-mode: t
303 * vim:noexpandtab:sw=4:ts=4: