1 /* vm/jit/intrp/codegen.h - code generation definitions for Interpreter
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: Andreas Krall
30 Changes: Christian Thalinger
32 $Id: codegen.h 4760 2006-04-12 20:06:23Z edwin $
44 /* some defines ***************************************************************/
46 #define PATCHER_CALL_SIZE 0 /* dummy define (for codegen.inc) */
49 /* additional functions and macros to generate code ***************************/
51 /* MCODECHECK(icnt) */
53 #define MCODECHECK(icnt) \
54 if ((cd->mcodeptr + (icnt)) > (u1 *) cd->mcodeend) { \
55 cd->mcodeptr = (u1 *) codegen_increase(cd, cd->mcodeptr); \
59 /* gen_resolvebranch ***********************************************************
61 backpatches a branch instruction; Alpha branch instructions are very
62 regular, so it is only necessary to overwrite some fixed bits in the
65 parameters: ip ... pointer to instruction after branch (void*)
66 target ... offset of branch target (void*)
68 *******************************************************************************/
70 #define gen_resolveanybranch(ip, target) \
71 (((void **)(ip))[-1] = (target))
73 #endif /* _CODEGEN_H */
77 * These are local overrides for various environment variables in Emacs.
78 * Please do not remove this and leave it at the end of the file, where
79 * Emacs will automagically detect them.
80 * ---------------------------------------------------------------------
87 * vim:noexpandtab:sw=4:ts=4: