1 /* src/vm/method.h - method functions 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 Authors: Reinhard Grafl
29 Changes: Christian Thalinger
32 $Id: method.h 5657 2006-10-03 21:19:05Z edwin $
39 /* forward typedefs ***********************************************************/
41 typedef struct exceptiontable exceptiontable;
42 typedef struct lineinfo lineinfo;
47 #include "vm/descriptor.h"
48 #include "vm/global.h"
49 #include "vm/linker.h"
50 #include "vm/references.h"
52 #include "vm/jit/code.h"
53 #include "vm/jit/jit.h"
56 /* methodinfo *****************************************************************/
58 struct methodinfo { /* method structure */
59 java_objectheader header; /* we need this in jit's monitorenter */
60 s4 flags; /* ACC flags */
61 utf *name; /* name of method */
62 utf *descriptor; /* JavaVM descriptor string of method */
63 methoddesc *parseddesc; /* parsed descriptor */
65 classinfo *class; /* class, the method belongs to */
66 s4 vftblindex; /* index of method in virtual function */
67 /* table (if it is a virtual method) */
68 s4 maxstack; /* maximum stack depth of method */
69 s4 maxlocals; /* maximum number of local variables */
70 s4 jcodelength; /* length of JavaVM code */
71 u1 *jcode; /* pointer to JavaVM code */
73 s4 exceptiontablelength; /* exceptiontable length */
74 exceptiontable *exceptiontable; /* the exceptiontable */
76 u2 thrownexceptionscount; /* number of exceptions attribute */
77 classref_or_classinfo *thrownexceptions; /* except. a method may throw */
79 u2 linenumbercount; /* number of linenumber attributes */
80 lineinfo *linenumbers; /* array of lineinfo items */
82 int c_block_nr; /* a counter to number all BB with an */
85 u1 *stubroutine; /* stub for compiling or calling natives */
86 codeinfo *code; /* current code of this method */
88 #if defined(ENABLE_LSRA)
89 s4 maxlifetimes; /* helper for lsra */
94 /* exceptiontable *************************************************************/
96 struct exceptiontable { /* exceptiontable entry in a method */
97 s4 startpc; /* start pc of guarded area (inclusive) */
100 s4 endpc; /* end pc of guarded area (exklusive) */
103 s4 handlerpc; /* pc of exception handler */
106 classref_or_classinfo catchtype; /* catchtype of exc. (NULL == catchall) */
107 exceptiontable *next; /* used to build a list of exception when */
108 /* loops are copied */
109 exceptiontable *down; /* instead of the old array, a list is used */
113 /* lineinfo *******************************************************************/
121 /* function prototypes ********************************************************/
123 void method_free(methodinfo *m);
124 bool method_canoverwrite(methodinfo *m, methodinfo *old);
126 methodinfo *method_vftbl_lookup(vftbl_t *vftbl, methodinfo* m);
129 void method_printflags(methodinfo *m);
130 void method_print(methodinfo *m);
131 void method_println(methodinfo *m);
132 void method_methodref_print(constant_FMIref *mr);
133 void method_methodref_println(constant_FMIref *mr);
136 #endif /* _METHOD_H */
140 * These are local overrides for various environment variables in Emacs.
141 * Please do not remove this and leave it at the end of the file, where
142 * Emacs will automagically detect them.
143 * ---------------------------------------------------------------------
146 * indent-tabs-mode: t
150 * vim:noexpandtab:sw=4:ts=4: