1 /* src/vm/jit/x86_64/md-abi.h - defines for x86_64 Linux ABI
3 Copyright (C) 1996-2005, 2006, 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
31 /* define registers ***********************************************************/
70 /* preallocated registers *****************************************************/
72 /* integer registers */
74 #define REG_RESULT RAX /* to deliver method results */
76 #define REG_A0 RDI /* define some argument registers */
81 #define REG_ITMP1 RAX /* temporary register */
82 #define REG_ITMP2 R10 /* temporary register and method pointer */
83 #define REG_ITMP3 R11 /* temporary register */
85 #define REG_METHODPTR REG_ITMP2/* pointer to the place from where the */
86 /* procedure vector has been fetched */
88 #define REG_NULL -1 /* used for reg_of_var where d is not needed */
90 #define REG_ITMP1_XPTR REG_ITMP1/* exception pointer = temporary register 1 */
91 #define REG_ITMP2_XPC REG_ITMP2/* exception pc = temporary register 2 */
93 #define REG_SP RSP /* stack pointer */
96 /* floating point registers */
98 #define REG_FRESULT XMM0 /* to deliver floating point method results */
100 #define REG_FA0 XMM0 /* define some argument registers */
103 #define REG_FTMP1 XMM8 /* temporary floating point register */
104 #define REG_FTMP2 XMM9 /* temporary floating point register */
105 #define REG_FTMP3 XMM10 /* temporary floating point register */
107 #define REG_IFTMP 10 /* temporary integer and floating point register */
110 #define INT_REG_CNT 16 /* number of integer registers */
111 #define INT_SAV_CNT 5 /* number of integer callee saved registers */
112 #define INT_ARG_CNT 6 /* number of integer argument registers */
113 #define INT_TMP_CNT 1 /* number of integer temporary registers */
114 #define INT_RES_CNT 3 /* number of integer reserved registers */
116 #define FLT_REG_CNT 16 /* number of float registers */
117 #define FLT_SAV_CNT 0 /* number of float callee saved registers */
118 #define FLT_ARG_CNT 8 /* number of float argument registers */
119 #define FLT_TMP_CNT 5 /* number of float temporary registers */
120 #define FLT_RES_CNT 3 /* number of float reserved registers */
122 #define TRACE_ARGS_NUM 6
124 #endif /* _MD_ABI_H */
128 * These are local overrides for various environment variables in Emacs.
129 * Please do not remove this and leave it at the end of the file, where
130 * Emacs will automagically detect them.
131 * ---------------------------------------------------------------------
134 * indent-tabs-mode: t