1 /* src/vmcore/method.h - method functions header
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: method.h 7483 2007-03-08 13:17:40Z michi $
32 /* forward typedefs ***********************************************************/
34 typedef struct methodinfo methodinfo;
35 typedef struct raw_exception_entry raw_exception_entry;
36 typedef struct lineinfo lineinfo;
37 typedef struct method_assumption method_assumption;
38 typedef struct method_worklist method_worklist;
39 typedef struct codeinfo codeinfo;
44 #include "vm/global.h"
46 #include "vmcore/descriptor.h"
47 #include "vmcore/references.h"
48 #include "vmcore/linker.h"
50 #if defined(ENABLE_JAVASE)
51 # include "vmcore/stackmap.h"
54 #include "vmcore/utf8.h"
57 #if defined(ENABLE_REPLACEMENT)
58 /* Initial value for the hit countdown field of each method. */
59 #define METHOD_INITIAL_HIT_COUNTDOWN 1000
63 /* methodinfo *****************************************************************/
65 struct methodinfo { /* method structure */
66 s4 flags; /* ACC flags */
67 utf *name; /* name of method */
68 utf *descriptor; /* JavaVM descriptor string of method */
69 #if defined(ENABLE_JAVASE)
70 utf *signature; /* Signature attribute */
71 stack_map_t *stack_map; /* StackMapTable attribute */
74 methoddesc *parseddesc; /* parsed descriptor */
76 classinfo *class; /* class, the method belongs to */
77 s4 vftblindex; /* index of method in virtual function */
78 /* table (if it is a virtual method) */
79 s4 maxstack; /* maximum stack depth of method */
80 s4 maxlocals; /* maximum number of local variables */
81 s4 jcodelength; /* length of JavaVM code */
82 u1 *jcode; /* pointer to JavaVM code */
84 s4 rawexceptiontablelength; /* exceptiontable length */
85 raw_exception_entry *rawexceptiontable; /* the exceptiontable */
87 u2 thrownexceptionscount; /* number of exceptions attribute */
88 classref_or_classinfo *thrownexceptions; /* except. a method may throw */
90 u2 linenumbercount; /* number of linenumber attributes */
91 lineinfo *linenumbers; /* array of lineinfo items */
93 u1 *stubroutine; /* stub for compiling or calling natives */
94 codeinfo *code; /* current code of this method */
96 #if defined(ENABLE_LSRA)
97 s4 maxlifetimes; /* helper for lsra */
100 methodinfo *overwrites; /* method that is directly overwritten */
101 method_assumption *assumptions; /* list of assumptions about this method */
103 #if defined(ENABLE_REPLACEMENT)
104 s4 hitcountdown; /* decreased for each hit */
109 /* method_assumption ***********************************************************
111 This struct is used for registering assumptions about methods.
113 *******************************************************************************/
115 struct method_assumption {
116 method_assumption *next;
121 /* method_worklist *************************************************************
123 List node used for method worklists.
125 *******************************************************************************/
127 struct method_worklist {
128 method_worklist *next;
133 /* raw_exception_entry ********************************************************/
135 /* exception table entry read by the loader */
137 struct raw_exception_entry { /* exceptiontable entry in a method */
138 classref_or_classinfo catchtype; /* catchtype of exc. (0 == catchall) */
139 u2 startpc; /* start pc of guarded area (inclusive) */
140 u2 endpc; /* end pc of guarded area (exklusive) */
141 u2 handlerpc; /* pc of exception handler */
145 /* lineinfo *******************************************************************/
153 /* function prototypes ********************************************************/
155 void method_free(methodinfo *m);
156 bool method_canoverwrite(methodinfo *m, methodinfo *old);
158 methodinfo *method_vftbl_lookup(vftbl_t *vftbl, methodinfo* m);
160 void method_add_assumption_monomorphic(methodinfo *m, methodinfo *caller);
161 void method_break_assumption_monomorphic(methodinfo *m, method_worklist **wl);
163 s4 method_count_implementations(methodinfo *m, classinfo *c, methodinfo **found);
166 void method_printflags(methodinfo *m);
167 void method_print(methodinfo *m);
168 void method_println(methodinfo *m);
169 void method_methodref_print(constant_FMIref *mr);
170 void method_methodref_println(constant_FMIref *mr);
173 #endif /* _METHOD_H */
177 * These are local overrides for various environment variables in Emacs.
178 * Please do not remove this and leave it at the end of the file, where
179 * Emacs will automagically detect them.
180 * ---------------------------------------------------------------------
183 * indent-tabs-mode: t
187 * vim:noexpandtab:sw=4:ts=4: