1 /* src/vm/jit/alpha/md-abi.h - defines for Alpha ABI
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: Christian Thalinger
29 Changes: Christian Ullrich
31 $Id: md-abi.h 5387 2006-09-06 22:16:48Z twisti $
39 /* preallocated registers *****************************************************/
41 /* integer registers */
43 #define REG_RESULT 0 /* to deliver method results */
45 #define REG_RA 26 /* return address */
46 #define REG_PV 27 /* procedure vector, must be provided by caller */
47 #define REG_METHODPTR 28 /* pointer to the place from where the procedure */
48 /* vector has been fetched */
49 #define REG_ITMP1 25 /* temporary register */
50 #define REG_ITMP2 28 /* temporary register and method pointer */
51 #define REG_ITMP3 29 /* temporary register */
53 #define REG_ITMP1_XPTR 25 /* exception pointer = temporary register 1 */
54 #define REG_ITMP2_XPC 28 /* exception pc = temporary register 2 */
56 #define REG_SP 30 /* stack pointer */
57 #define REG_ZERO 31 /* always zero */
59 #define REG_A0 16 /* define some argument registers */
64 /* floating point registers */
66 #define REG_FRESULT 0 /* to deliver floating point method results */
68 #define REG_FTMP1 28 /* temporary floating point register */
69 #define REG_FTMP2 29 /* temporary floating point register */
70 #define REG_FTMP3 30 /* temporary floating point register */
72 #define REG_IFTMP 28 /* temporary integer and floating point register */
75 #define INT_REG_CNT 32 /* number of integer registers */
76 #define INT_SAV_CNT 7 /* number of int callee saved registers */
77 #define INT_ARG_CNT 6 /* number of int argument registers */
78 #define INT_TMP_CNT 11 /* number of int temp registers */
79 #define INT_RES_CNT 7 /* number of reserved integer registers */
80 /* the one "missing" register is the return reg */
82 #define FLT_REG_CNT 32 /* number of float registers */
83 #define FLT_SAV_CNT 8 /* number of flt callee saved registers */
84 #define FLT_ARG_CNT 6 /* number of flt argument registers */
85 #define FLT_TMP_CNT 13 /* number of flt temp registers */
86 #define FLT_RES_CNT 4 /* number of reserved float registers */
87 /* the one "missing" register is the return reg */
89 #define TRACE_ARGS_NUM 6
91 #endif /* _MD_ABI_H */
95 * These are local overrides for various environment variables in Emacs.
96 * Please do not remove this and leave it at the end of the file, where
97 * Emacs will automagically detect them.
98 * ---------------------------------------------------------------------
101 * indent-tabs-mode: t