1 /* src/vm/jit/i386/md-abi.h - defines for i386 Linux ABI
3 Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
4 R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
5 C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
6 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., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Christian Thalinger
31 $Id: md-abi.h 2796 2005-06-23 09:42:34Z twisti $
39 /* preallocated registers *****************************************************/
41 /* integer registers */
43 #define REG_RESULT EAX /* to deliver method results */
44 #define REG_RESULT2 EDX /* to deliver long method results */
46 #define REG_ITMP1 EAX /* temporary register */
47 #define REG_ITMP2 ECX /* temporary register */
48 #define REG_ITMP3 EDX /* temporary register */
50 #define REG_NULL -1 /* used for reg_of_var where d is not needed */
52 #define REG_ITMP1_XPTR EAX /* exception pointer = temporary register 1 */
53 #define REG_ITMP2_XPC ECX /* exception pc = temporary register 2 */
55 #define REG_SP ESP /* stack pointer */
57 /* floating point registers */
59 #define REG_FRESULT 0 /* to deliver floating point method results */
60 #define REG_FTMP1 6 /* temporary floating point register */
61 #define REG_FTMP2 7 /* temporary floating point register */
62 #define REG_FTMP3 7 /* temporary floating point register */
65 #define INT_REG_CNT 8 /* number of integer registers */
66 #define INT_SAV_CNT 3 /* number of integer callee saved registers */
67 #define INT_ARG_CNT 0 /* number of integer argument registers */
68 #define INT_TMP_CNT 1 /* number of integer temporary registers */
69 #define INT_RES_CNT 3 /* numebr of integer reserved registers */
71 #define FLT_REG_CNT 8 /* number of float registers */
72 #define FLT_SAV_CNT 0 /* number of float callee saved registers */
73 #define FLT_ARG_CNT 0 /* number of float argument registers */
74 #define FLT_TMP_CNT 0 /* number of float temporary registers */
75 #define FLT_RES_CNT 8 /* numebr of float reserved registers */
77 #define TRACE_ARGS_NUM 8
79 #define REG_RES_CNT 3 /* number of reserved registers */
81 #endif /* _MD_ABI_H */
85 * These are local overrides for various environment variables in Emacs.
86 * Please do not remove this and leave it at the end of the file, where
87 * Emacs will automagically detect them.
88 * ---------------------------------------------------------------------