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_reset(codeinfo *code);
71 void patcher_list_free(codeinfo *code);
73 void patcher_add_patch_ref(jitdata *jd, functionptr patcher, voidptr ref,
76 java_handle_t *patcher_handler(u1 *pc);
79 /* patcher prototypes and macros **********************************************/
81 #if defined(__ALPHA__) || defined(__ARM__) || defined(__MIPS__) || defined(__POWERPC__) || defined (__S390__)
83 /* new patcher functions */
85 bool patcher_resolve_class(patchref_t *pr);
86 #define PATCHER_resolve_class (functionptr) patcher_resolve_class
88 bool patcher_initialize_class(patchref_t *pr);
89 #define PATCHER_initialize_class (functionptr) patcher_initialize_class
91 bool patcher_resolve_classref_to_classinfo(patchref_t *pr);
92 #define PATCHER_resolve_classref_to_classinfo (functionptr) patcher_resolve_classref_to_classinfo
94 bool patcher_resolve_classref_to_vftbl(patchref_t *pr);
95 #define PATCHER_resolve_classref_to_vftbl (functionptr) patcher_resolve_classref_to_vftbl
97 bool patcher_resolve_classref_to_index(patchref_t *pr);
98 #define PATCHER_resolve_classref_to_index (functionptr) patcher_resolve_classref_to_index
100 bool patcher_resolve_classref_to_flags(patchref_t *pr);
101 #define PATCHER_resolve_classref_to_flags (functionptr) patcher_resolve_classref_to_flags
103 #if !defined(WITH_STATIC_CLASSPATH)
104 bool patcher_resolve_native_function(patchref_t *pr);
105 #define PATCHER_resolve_native_function (functionptr) patcher_resolve_native_function
108 /* old patcher functions */
110 bool patcher_get_putstatic(patchref_t *pr);
111 #define PATCHER_get_putstatic (functionptr) patcher_get_putstatic
113 #if defined(__I386__)
115 bool patcher_getfield(patchref_t *pr);
116 #define PATCHER_getfield (functionptr) patcher_getfield
118 bool patcher_putfield(patchref_t *pr);
119 #define PATCHER_putfield (functionptr) patcher_putfield
123 bool patcher_get_putfield(patchref_t *pr);
124 #define PATCHER_get_putfield (functionptr) patcher_get_putfield
126 #endif /* defined(__I386__) */
128 #if defined(__I386__) || defined(__X86_64__)
130 bool patcher_putfieldconst(patchref_t *pr);
131 #define PATCHER_putfieldconst (functionptr) patcher_putfieldconst
133 #endif /* defined(__I386__) || defined(__X86_64__) */
135 bool patcher_invokestatic_special(patchref_t *pr);
136 #define PATCHER_invokestatic_special (functionptr) patcher_invokestatic_special
138 bool patcher_invokevirtual(patchref_t *pr);
139 #define PATCHER_invokevirtual (functionptr) patcher_invokevirtual
141 bool patcher_invokeinterface(patchref_t *pr);
142 #define PATCHER_invokeinterface (functionptr) patcher_invokeinterface
144 #if defined(__ALPHA__) || defined(__MIPS__) || defined(__POWERPC__) || defined(__S390__)
146 bool patcher_checkcast_interface(patchref_t *pr);
147 #define PATCHER_checkcast_interface (functionptr) patcher_checkcast_interface
149 bool patcher_instanceof_interface(patchref_t *pr);
150 #define PATCHER_instanceof_interface (functionptr) patcher_instanceof_interface
152 #endif /* defined(__ALPHA__) || defined(__MIPS__) || defined(__POWERPC__) || defined(__S390__) */
154 /* very old patcher functions */
155 /* XXX use newer patcher function names above! */
157 #if defined(__S390__)
159 bool patcher_clinit(patchref_t *pr);
160 #define PATCHER_clinit (functionptr) patcher_clinit
162 bool patcher_athrow_areturn(patchref_t *pr);
163 #define PATCHER_athrow_areturn (functionptr) patcher_athrow_areturn
165 bool patcher_checkcast_instanceof_interface(patchref_t *pr);
166 #define PATCHER_checkcast_instanceof_interface (functionptr) patcher_checkcast_instanceof_interface
168 #endif /* defined (__S390__) */
170 #endif /* architecture list */
173 #endif /* _PATCHER_COMMON_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: