--- /dev/null
+/* src/vm/jit/arm/md-abi.h - defines for arm ABI
+
+ Copyright (C) 1996-2005, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+ Contact: cacao@cacaojvm.org
+
+ Authors: Michael Starzinger
+
+ $Id: md-abi.h 6545 2006-09-06 21:42:42Z twisti $
+
+*/
+
+
+#ifndef _MD_ABI_H
+#define _MD_ABI_H
+
+
+/* preallocated registers *****************************************************/
+
+/* integer registers */
+
+#define REG_RESULT 0 /* to deliver method results */
+#define REG_RESULT2 1 /* to deliver long method results */
+
+#define REG_IP 12 /* intra-procedure-call scratch register */
+#define REG_SP 13 /* stack pointer */
+#define REG_LR 14 /* link register */
+#define REG_PC 15 /* program counter */
+
+#define REG_METHODPTR 11 /* special register to fetch procedure vector */
+
+#define REG_ITMP1 10 /* temporary register */
+#define REG_ITMP2 11 /* temporary register and method pointer */
+#define REG_ITMP3 9 /* temporary register */
+
+#define REG_ITMP1_XPTR 10 /* exception pointer = temporary register 1 */
+#define REG_ITMP2_XPC 11 /* exception pc = temporary register 2 */
+
+#define REG_A0 0 /* define some argument registers */
+#define REG_A1 1
+#define REG_A2 2
+#define REG_A3 3
+
+#define REG_SPLIT 16 /* dummy register to mark a split of longs and */
+ /* doubles across register/stack barrier */
+ /* set LOW_REG = ARG4 and HIGH_REG = REG_SPLIT */
+
+#define BITMASK_ARGS 0x0f /* bitmask for LDM/STM to save method arguments */
+#define BITMASK_RESULT 0x03 /* bitmask for LDM/STM to save method results */
+
+#if !defined(ENABLE_SOFTFLOAT)
+/* floating point registers */
+
+#define REG_FRESULT 0 /* to deliver floating point method results */
+#define REG_FTMP1 6 /* temporary floating point register */
+#define REG_FTMP2 7 /* temporary floating point register */
+
+#endif /* !defined(ENABLE_SOFTFLOAT) */
+
+
+/* register count *************************************************************/
+#define INT_REG_CNT 16 /* number of integer registers */
+#define INT_TMP_CNT 0 /* number of integer registers */
+#define INT_SAV_CNT 5 /* number of int callee saved registers */
+#define INT_ARG_CNT 4 /* number of int argument registers */
+#define INT_RES_CNT 7 /* number of reserved integer registers */
+
+#define FLT_REG_CNT 8 /* number of float registers */
+#if defined(ENABLE_SOFTFLOAT)
+# define FLT_TMP_CNT 0 /* number of flt temp registers */
+# define FLT_SAV_CNT 0 /* number of flt callee saved registers */
+# define FLT_ARG_CNT 0 /* number of flt argument registers */
+# define FLT_RES_CNT 8 /* number of reserved float registers */
+#else
+# define FLT_TMP_CNT 6 /* number of flt temp registers */
+# define FLT_SAV_CNT 0 /* number of flt callee saved registers */
+# define FLT_ARG_CNT 0 /* number of flt argument registers */
+# define FLT_RES_CNT 2 /* number of reserved float registers */
+#endif /* defined(ENABLE_SOFTFLOAT) */
+
+#define TRACE_ARGS_NUM 4
+
+
+/* Register Pack/Unpack Macros ************************************************/
+
+#if defined(__ARMEL__)
+
+# define REG_ITMP12_PACKED PACK_REGS(REG_ITMP1, REG_ITMP2)
+# define REG_ITMP23_PACKED PACK_REGS(REG_ITMP2, REG_ITMP3)
+# 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)
+
+#else /* defined(__ARMEB__) */
+
+# define REG_ITMP12_PACKED PACK_REGS(REG_ITMP2, REG_ITMP1)
+# define REG_ITMP23_PACKED PACK_REGS(REG_ITMP3, REG_ITMP2)
+# 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)
+
+#endif
+
+#define REG_ITMP12_TYPED(t) ((IS_2_WORD_TYPE(t)) ? REG_ITMP12_PACKED : REG_ITMP1)
+#define REG_RESULT_TYPED(t) ((IS_2_WORD_TYPE(t)) ? REG_RESULT_PACKED : REG_RESULT)
+#define ARGUMENT_REGS(t,a) ((IS_2_WORD_TYPE(t)) ? \
+ (PACK_REGS(rd->argintregs[GET_LOW_REG(a)],rd->argintregs[GET_HIGH_REG(a)])) : \
+ (rd->argintregs[(a)]) \
+ )
+
+
+#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:
+ */
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