-/* src/vm/jit/x86_64/md-abi.h - defines for x86_64 Linux ABI
+/* src/vm/jit/s390/md-abi.h - defines for s390 Linux 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
+ Copyright (C) 1996-2010
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Christian Thalinger
-
- Changes:
-
- $Id: md-abi.h 7219 2007-01-16 22:18:57Z pm $
-
*/
#ifndef _MD_ABI_H
#define _MD_ABI_H
-/* keep old code happy */
-
-#define RIP -1
-#define RAX 0
-#define RCX 1
-#define RDX 2
-#define RBX 3
-#define RSP 4
-#define RBP 5
-#define RSI 6
-#define RDI 7
-#define R8 8
-#define R9 9
-#define R10 10
-#define R11 11
-#define R12 12
-#define R13 13
-#define R14 14
-#define R15 15
-
-
-#define XMM0 0
-#define XMM1 1
-#define XMM2 2
-#define XMM3 3
-#define XMM4 4
-#define XMM5 5
-#define XMM6 6
-#define XMM7 7
-#define XMM8 8
-#define XMM9 9
-#define XMM10 10
-#define XMM11 11
-#define XMM12 12
-#define XMM13 13
-#define XMM14 14
-#define XMM15 15
-
-
-#define REG_IFTMP 10 /* temporary integer and floating point register */
-
-
/* define registers ***********************************************************/
#define R0 0
#define REG_RESULT R2 /* to deliver method results */
#define REG_RESULT2 R3
-#define REG_ITMP1 R0 /* temporary register */
-#define REG_ITMP2 R1 /* temporary register and method pointer */
-#define REG_ITMP3 R14 /* temporary register */
+#define REG_ITMP1 R1 /* temporary register */
+#define REG_ITMP2 R14 /* temporary register and method pointer */
+#define REG_ITMP3 R0 /* temporary register */
+
+#define IS_REG_ITMP(x) (((x) == REG_ITMP1) || ((x) == REG_ITMP2) || ((x) == REG_ITMP3))
#define REG_ITMP12_PACKED PACK_REGS(REG_ITMP2, REG_ITMP1)
#define REG_ITMP23_PACKED PACK_REGS(REG_ITMP3, REG_ITMP2)
+#define REG_ITMP13_PACKED PACK_REGS(REG_ITMP3, REG_ITMP1)
+/* even odd */
+#define REG_ITMP31_PACKED PACK_REGS(REG_ITMP1, REG_ITMP3)
#define REG_RESULT_PACKED PACK_REGS(REG_RESULT2, REG_RESULT)
-#define REG_METHODPTR REG_ITMP2/* pointer to the place from where the */
+#define REG_METHODPTR REG_ITMP1/* pointer to the place from where the */
/* procedure vector has been fetched */
#define REG_NULL -1 /* used for reg_of_var where d is not needed */
-#define REG_ITMP1_XPTR REG_ITMP1/* exception pointer = temporary register 1 */
-#define REG_ITMP2_XPC REG_ITMP2/* exception pc = temporary register 2 */
+#define REG_ITMP1_XPTR REG_ITMP3/* exception pointer = temporary register 3 */
+#define REG_ITMP2_XPC REG_ITMP1/* exception pc = temporary register 1 */
#define REG_SP R15 /* stack pointer */
+#define REG_RA R14 /* same as itmp3 */
#define REG_PV R13
#define REG_A3 R5
#define REG_A4 R6
+#define REG_FA0 F0
+#define REG_FA1 F2
+
/* floating point registers */
#define REG_FRESULT F0 /* to deliver floating point method results */
-#define REG_FTMP1 F1 /* temporary floating point register */
-#define REG_FTMP2 F3 /* temporary floating point register */
-#define REG_FTMP3 F5 /* temporary floating point register */
-
-#define __REG_IFTMP 10 /* temporary integer and floating point register */
+#define REG_FTMP1 F4 /* temporary floating point register */
+#define REG_FTMP2 F6 /* temporary floating point register */
+/* No ftmp3 */
#define INT_REG_CNT 16 /* number of integer registers */
#define INT_SAV_CNT 6 /* number of integer callee saved registers */
#define INT_ARG_CNT 5 /* number of integer argument registers */
-#define INT_TMP_CNT 3 /* number of integer temporary registers */
-#define INT_RES_CNT 2 /* number of integer reserved registers */
+#define INT_TMP_CNT 0 /* number of integer temporary registers */
+#define INT_RES_CNT 5 /* number of integer reserved registers */
#define FLT_REG_CNT 16 /* number of float registers */
-#define FLT_SAV_CNT 2 /* number of float callee saved registers */
+#define FLT_SAV_CNT 0 /* number of float callee saved registers */
#define FLT_ARG_CNT 2 /* number of float argument registers */
-#define FLT_TMP_CNT 12 /* number of float temporary registers */
-#define FLT_RES_CNT 0 /* number of float reserved registers */
-
-#define TRACE_ARGS_NUM 6
-
-
-
-
-
-
-
-
-
-
-
+#define FLT_TMP_CNT 12 /* number of float temporary registers */
+#define FLT_RES_CNT 2 /* number of float reserved registers */
#endif /* _MD_ABI_H */