1 /* src/vm/jit/patcher-common.h - architecture independent code patching stuff
3 Copyright (C) 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
30 #ifndef _PATCHER_COMMON_H
31 #define _PATCHER_COMMON_H
33 /* forward typedefs ***********************************************************/
38 #include "toolbox/list.h"
40 #include "vm/global.h"
42 #include "vm/jit/jit.h"
45 /* patchref_t ******************************************************************
47 A patcher reference contains information about a code position
48 which needs additional code patching during runtime.
50 *******************************************************************************/
52 typedef struct patchref_t {
53 ptrint mpc; /* absolute position in code segment */
54 ptrint datap; /* absolute position in data segment */
55 s4 disp; /* displacement of ref in the data segment */
56 functionptr patcher; /* patcher function to call */
57 voidptr ref; /* reference passed */
58 u8 mcode; /* machine code to be patched back in */
59 bool done; /* XXX preliminary: patch already applied? */
64 /* macros *********************************************************************/
67 /* function prototypes ********************************************************/
69 void patcher_list_create(codeinfo *code);
70 void patcher_list_free(codeinfo *code);
72 void patcher_add_patch_ref(jitdata *jd, functionptr patcher, voidptr ref,
75 java_objectheader *patcher_handler(u1 *pc);
78 /* patcher prototypes and macros **********************************************/
80 #if defined(__ALPHA__) || defined(__ARM__)
82 /* new patcher functions */
84 bool patcher_resolve_class(patchref_t *pr);
85 #define PATCHER_resolve_class (functionptr) patcher_resolve_class
87 bool patcher_initialize_class(patchref_t *pr);
88 #define PATCHER_initialize_class (functionptr) patcher_initialize_class
90 bool patcher_resolve_classref_to_classinfo(patchref_t *pr);
91 #define PATCHER_resolve_classref_to_classinfo (functionptr) patcher_resolve_classref_to_classinfo
93 bool patcher_resolve_classref_to_vftbl(patchref_t *pr);
94 #define PATCHER_resolve_classref_to_vftbl (functionptr) patcher_resolve_classref_to_vftbl
96 bool patcher_resolve_classref_to_index(patchref_t *pr);
97 #define PATCHER_resolve_classref_to_index (functionptr) patcher_resolve_classref_to_index
99 bool patcher_resolve_classref_to_flags(patchref_t *pr);
100 #define PATCHER_resolve_classref_to_flags (functionptr) patcher_resolve_classref_to_flags
102 #if !defined(WITH_STATIC_CLASSPATH)
103 bool patcher_resolve_native_function(patchref_t *pr);
104 #define PATCHER_resolve_native_function (functionptr) patcher_resolve_native_function
107 /* old patcher functions */
109 bool patcher_get_putstatic(patchref_t *pr);
110 #define PATCHER_get_putstatic (functionptr) patcher_get_putstatic
112 #if defined(__I386__)
114 bool patcher_getfield(patchref_t *pr);
115 #define PATCHER_getfield (functionptr) patcher_getfield
117 bool patcher_putfield(patchref_t *pr);
118 #define PATCHER_putfield (functionptr) patcher_putfield
122 bool patcher_get_putfield(patchref_t *pr);
123 #define PATCHER_get_putfield (functionptr) patcher_get_putfield
125 #endif /* defined(__I386__) */
127 #if defined(__I386__) || defined(__X86_64__)
129 bool patcher_putfieldconst(patchref_t *pr);
130 #define PATCHER_putfieldconst (functionptr) patcher_putfieldconst
132 #endif /* defined(__I386__) || defined(__X86_64__) */
134 bool patcher_invokestatic_special(patchref_t *pr);
135 #define PATCHER_invokestatic_special (functionptr) patcher_invokestatic_special
137 bool patcher_invokevirtual(patchref_t *pr);
138 #define PATCHER_invokevirtual (functionptr) patcher_invokevirtual
140 bool patcher_invokeinterface(patchref_t *pr);
141 #define PATCHER_invokeinterface (functionptr) patcher_invokeinterface
143 #if defined(__ALPHA__)
145 bool patcher_checkcast_interface(patchref_t *pr);
146 #define PATCHER_checkcast_interface (functionptr) patcher_checkcast_interface
148 bool patcher_instanceof_interface(patchref_t *pr);
149 #define PATCHER_instanceof_interface (functionptr) patcher_instanceof_interface
151 #endif /* defined(__ALPHA__) */
155 #endif /* architecture list */
158 #endif /* _PATCHER_COMMON_H */
162 * These are local overrides for various environment variables in Emacs.
163 * Please do not remove this and leave it at the end of the file, where
164 * Emacs will automagically detect them.
165 * ---------------------------------------------------------------------
168 * indent-tabs-mode: t
172 * vim:noexpandtab:sw=4:ts=4: