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
28 #ifndef _PATCHER_COMMON_H
29 #define _PATCHER_COMMON_H
31 /* forward typedefs ***********************************************************/
36 #include "toolbox/list.h"
38 #include "vm/global.h"
40 #include "vm/jit/jit.h"
43 /* patchref_t ******************************************************************
45 A patcher reference contains information about a code position
46 which needs additional code patching during runtime.
48 *******************************************************************************/
50 typedef struct patchref_t {
51 ptrint mpc; /* absolute position in code segment */
52 ptrint datap; /* absolute position in data segment */
53 s4 disp; /* displacement of ref in the data segment */
54 functionptr patcher; /* patcher function to call */
55 voidptr ref; /* reference passed */
56 u8 mcode; /* machine code to be patched back in */
57 bool done; /* XXX preliminary: patch already applied? */
62 /* macros *********************************************************************/
65 /* function prototypes ********************************************************/
67 void patcher_list_create(codeinfo *code);
68 void patcher_list_reset(codeinfo *code);
69 void patcher_list_free(codeinfo *code);
71 void patcher_add_patch_ref(jitdata *jd, functionptr patcher, voidptr ref,
74 java_handle_t *patcher_handler(u1 *pc);
77 /* patcher prototypes and macros **********************************************/
79 #if defined(__ALPHA__) || defined(__ARM__) || defined(__MIPS__) || defined(__POWERPC__) || defined (__S390__)
81 /* new patcher functions */
83 bool patcher_resolve_class(patchref_t *pr);
84 #define PATCHER_resolve_class (functionptr) patcher_resolve_class
86 bool patcher_initialize_class(patchref_t *pr);
87 #define PATCHER_initialize_class (functionptr) patcher_initialize_class
89 bool patcher_resolve_classref_to_classinfo(patchref_t *pr);
90 #define PATCHER_resolve_classref_to_classinfo (functionptr) patcher_resolve_classref_to_classinfo
92 bool patcher_resolve_classref_to_vftbl(patchref_t *pr);
93 #define PATCHER_resolve_classref_to_vftbl (functionptr) patcher_resolve_classref_to_vftbl
95 bool patcher_resolve_classref_to_index(patchref_t *pr);
96 #define PATCHER_resolve_classref_to_index (functionptr) patcher_resolve_classref_to_index
98 bool patcher_resolve_classref_to_flags(patchref_t *pr);
99 #define PATCHER_resolve_classref_to_flags (functionptr) patcher_resolve_classref_to_flags
101 #if !defined(WITH_STATIC_CLASSPATH)
102 bool patcher_resolve_native_function(patchref_t *pr);
103 #define PATCHER_resolve_native_function (functionptr) patcher_resolve_native_function
106 /* old patcher functions */
108 bool patcher_get_putstatic(patchref_t *pr);
109 #define PATCHER_get_putstatic (functionptr) patcher_get_putstatic
111 #if defined(__I386__)
113 bool patcher_getfield(patchref_t *pr);
114 #define PATCHER_getfield (functionptr) patcher_getfield
116 bool patcher_putfield(patchref_t *pr);
117 #define PATCHER_putfield (functionptr) patcher_putfield
121 bool patcher_get_putfield(patchref_t *pr);
122 #define PATCHER_get_putfield (functionptr) patcher_get_putfield
124 #endif /* defined(__I386__) */
126 #if defined(__I386__) || defined(__X86_64__)
128 bool patcher_putfieldconst(patchref_t *pr);
129 #define PATCHER_putfieldconst (functionptr) patcher_putfieldconst
131 #endif /* defined(__I386__) || defined(__X86_64__) */
133 bool patcher_invokestatic_special(patchref_t *pr);
134 #define PATCHER_invokestatic_special (functionptr) patcher_invokestatic_special
136 bool patcher_invokevirtual(patchref_t *pr);
137 #define PATCHER_invokevirtual (functionptr) patcher_invokevirtual
139 bool patcher_invokeinterface(patchref_t *pr);
140 #define PATCHER_invokeinterface (functionptr) patcher_invokeinterface
142 #if defined(__ALPHA__) || defined(__MIPS__) || defined(__POWERPC__) || defined(__S390__)
144 bool patcher_checkcast_interface(patchref_t *pr);
145 #define PATCHER_checkcast_interface (functionptr) patcher_checkcast_interface
147 bool patcher_instanceof_interface(patchref_t *pr);
148 #define PATCHER_instanceof_interface (functionptr) patcher_instanceof_interface
150 #endif /* defined(__ALPHA__) || defined(__MIPS__) || defined(__POWERPC__) || defined(__S390__) */
152 /* very old patcher functions */
153 /* XXX use newer patcher function names above! */
155 #if defined(__S390__)
157 bool patcher_clinit(patchref_t *pr);
158 #define PATCHER_clinit (functionptr) patcher_clinit
160 bool patcher_athrow_areturn(patchref_t *pr);
161 #define PATCHER_athrow_areturn (functionptr) patcher_athrow_areturn
163 bool patcher_checkcast_instanceof_interface(patchref_t *pr);
164 #define PATCHER_checkcast_instanceof_interface (functionptr) patcher_checkcast_instanceof_interface
166 #endif /* defined (__S390__) */
168 #endif /* architecture list */
171 #endif /* _PATCHER_COMMON_H */
175 * These are local overrides for various environment variables in Emacs.
176 * Please do not remove this and leave it at the end of the file, where
177 * Emacs will automagically detect them.
178 * ---------------------------------------------------------------------
181 * indent-tabs-mode: t
185 * vim:noexpandtab:sw=4:ts=4: