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 4826 2006-04-24 16:06:16Z twisti $
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) \
55 if ((cd->mcodeptr + (icnt)) > (u1 *) cd->mcodeend) \
56 codegen_increase(cd); \
60 /* gen_resolvebranch ***********************************************************
62 backpatches a branch instruction; Alpha branch instructions are very
63 regular, so it is only necessary to overwrite some fixed bits in the
66 parameters: ip ... pointer to instruction after branch (void*)
67 target ... offset of branch target (void*)
69 *******************************************************************************/
71 #define gen_resolveanybranch(ip, target) \
72 (((void **)(ip))[-1] = (target))
74 #endif /* _CODEGEN_H */
78 * These are local overrides for various environment variables in Emacs.
79 * Please do not remove this and leave it at the end of the file, where
80 * Emacs will automagically detect them.
81 * ---------------------------------------------------------------------
88 * vim:noexpandtab:sw=4:ts=4: