/* src/vm/jit/mips/md-abi.h - defines for MIPS ABI Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger, Institut f. Computersprachen - TU Wien This file is part of CACAO. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Contact: cacao@complang.tuwien.ac.at Authors: Christian Thalinger Changes: Christian Ullrich $Id: md-abi.h 3927 2005-12-09 11:32:47Z twisti $ */ #ifndef _MD_ABI_H #define _MD_ABI_H #include "config.h" /* preallocated registers *****************************************************/ /* integer registers */ #define REG_ZERO 0 /* always zero */ #define REG_RESULT 2 /* to deliver method results */ #if SIZEOF_VOID_P == 4 #define REG_RESULT2 3 /* to deliver method results (low 32-bits) */ #endif #define REG_ITMP1 1 /* temporary register */ #if SIZEOF_VOID_P == 8 #define REG_ITMP2 3 /* temporary register and method pointer */ #else #define REG_ITMP2 24 /* temporary register and method pointer */ #endif #define REG_ITMP3 25 /* temporary register */ #define REG_RA 31 /* return address */ #define REG_SP 29 /* stack pointer */ #define REG_GP 28 /* global pointer */ #define REG_PV 30 /* procedure vector, must be provided by caller */ #define REG_METHODPTR 25 /* pointer to the place from where the procedure */ /* vector has been fetched */ #define REG_ITMP1_XPTR REG_ITMP1 /* exception pointer = temporary register 1 */ #define REG_ITMP2_XPC REG_ITMP2 /* exception pc = temporary register 2 */ /* floating point registers */ #define REG_FRESULT 0 /* to deliver floating point method results */ #define REG_IFTMP 1 /* temporary integer and floating point register */ #if SIZEOF_VOID_P == 8 /* MIPS64 defines */ #define REG_FTMP1 1 /* temporary floating point register */ #define REG_FTMP2 2 /* temporary floating point register */ #define REG_FTMP3 3 /* temporary floating point register */ #define INT_REG_CNT 32 /* number of integer registers */ #define INT_SAV_CNT 8 /* number of int callee saved registers */ #define INT_ARG_CNT 8 /* number of int argument registers */ #define INT_TMP_CNT 5 /* number of integer temporary registers */ #define INT_RES_CNT 10 /* number of integer reserved registers */ /* + 1 REG_RET totals to 32 */ #define FLT_REG_CNT 32 /* number of float registers */ #define FLT_SAV_CNT 4 /* number of flt callee saved registers */ #define FLT_ARG_CNT 8 /* number of flt argument registers */ #define FLT_TMP_CNT 16 /* number of float temporary registers */ #define FLT_RES_CNT 3 /* number of float reserved registers */ /* + 1 REG_RET totals to 32 */ #define TRACE_ARGS_NUM 8 #else /* SIZEOF_VOID_P == 8 */ /* MIPS32 defines */ #define REG_FTMP1 2 /* temporary floating point register */ #define REG_FTMP2 4 /* temporary floating point register */ #define REG_FTMP3 6 /* temporary floating point register */ #define INT_REG_CNT 32 /* number of integer registers */ #define INT_SAV_CNT 8 /* number of int callee saved registers */ #define INT_ARG_CNT 4 /* number of int argument registers */ #define INT_TMP_CNT 8 /* number of integer temporary registers */ #define INT_RES_CNT 11 /* number of integer reserved registers */ /* + 1 REG_RET totals to 32 */ #if !defined(ENABLE_SOFT_FLOAT) #define FLT_REG_CNT 32 /* number of float registers */ #define FLT_SAV_CNT 6 /* number of flt callee saved registers */ #define FLT_ARG_CNT 2 /* number of flt argument registers */ #define FLT_TMP_CNT 4 /* number of float temporary registers */ #define FLT_RES_CNT 4 /* number of float reserved registers */ #else /* !defined(ENABLE_SOFT_FLOAT) */ #define FLT_REG_CNT 0 /* number of float registers */ #define FLT_SAV_CNT 0 /* number of flt callee saved registers */ #define FLT_ARG_CNT 0 /* number of flt argument registers */ #define FLT_TMP_CNT 0 /* number of float temporary registers */ #define FLT_RES_CNT 0 /* number of float reserved registers */ #endif /* !defined(ENABLE_SOFT_FLOAT) */ #define TRACE_ARGS_NUM 2 #endif /* SIZEOF_VOID_P == 8 */ #endif /* _MD_ABI_H */ /* * These are local overrides for various environment variables in Emacs. * Please do not remove this and leave it at the end of the file, where * Emacs will automagically detect them. * --------------------------------------------------------------------- * Local variables: * mode: c * indent-tabs-mode: t * c-basic-offset: 4 * tab-width: 4 * End: */