/* 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
+ Copyright (C) 1996-2005, 2006, 2007 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.
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:
-
- $Id: md-abi.h 2631 2005-06-09 21:23:11Z twisti $
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
*/
#ifndef _MD_ABI_H
#define _MD_ABI_H
+#include "config.h"
+
+
/* preallocated registers *****************************************************/
/* integer registers */
#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_ARG_0 4 /* argument register */
-#define REG_ARG_1 5 /* argument register */
-#define REG_ARG_2 6 /* argument register */
-#define REG_ARG_3 7 /* argument register */
-#define REG_ARG_4 8 /* argument register */
-#define REG_ARG_5 9 /* argument 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 1 /* exception pointer = temporary register 1 */
-#define REG_ITMP2_XPC 3 /* exception pc = temporary register 2 */
+#define REG_ITMP1_XPTR REG_ITMP1 /* exception pointer = temporary register 1 */
+#define REG_ITMP2_XPC REG_ITMP2 /* exception pc = temporary register 2 */
+#define REG_A0 4 /* define some argument registers */
+#define REG_A1 5
+#define REG_A2 6
+#define REG_A3 7
+
+#if SIZEOF_VOID_P == 8
+#define REG_A4 8
+#endif
/* floating point registers */
-#define REG_FRESULT 0 /* to deliver floating point method results */
+#define REG_FRESULT 0 /* to deliver floating point method results */
+
+#define REG_IFTMP 1 /* temporary integer and floating point register */
-#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 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 REG_FA0 12 /* define some argument registers */
+#define REG_FA1 13
+#define REG_FA2 14
#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 3 /* number of integer reserved 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 15 /* number of float temporary registers */
-#define FLT_RES_CNT 3 /* number of float reserved 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 */
+
+
+/* ABI defines ****************************************************************/
+
+#if SIZEOF_VOID_P == 8
+# define PA_SIZE 0 /* we don't have a parameter area */
+#else
+# define PA_SIZE 4 * 4 /* parameter area is max. 4 * 4 bytes */
+#endif
+
+
+/* packed register defines ****************************************************/
+
+#if SIZEOF_VOID_P == 4
+# if WORDS_BIGENDIAN == 1
+# define REG_RESULT_PACKED PACK_REGS(REG_RESULT2, REG_RESULT)
+
+# define REG_A0_A1_PACKED PACK_REGS(REG_A1, REG_A0)
+# define REG_A2_A3_PACKED PACK_REGS(REG_A3, REG_A2)
+
+# define REG_ITMP12_PACKED PACK_REGS(REG_ITMP2, REG_ITMP1)
+# define REG_ITMP23_PACKED PACK_REGS(REG_ITMP3, REG_ITMP2)
+# else
+# define REG_RESULT_PACKED PACK_REGS(REG_RESULT, REG_RESULT2)
+
+# define REG_A0_A1_PACKED PACK_REGS(REG_A0, REG_A1)
+# define REG_A2_A3_PACKED PACK_REGS(REG_A2, REG_A3)
+
+# define REG_ITMP12_PACKED PACK_REGS(REG_ITMP1, REG_ITMP2)
+# define REG_ITMP23_PACKED PACK_REGS(REG_ITMP2, REG_ITMP3)
+# endif
+#endif
+
#endif /* _MD_ABI_H */
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