sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 81 insertions, 0 deletions

diff --git a/src/mcs51/ralloc.h b/src/mcs51/ralloc.h
new file mode 100644
index 0000000..10b86e1
--- /dev/null
+++ b/src/mcs51/ralloc.h
@@ -0,0 +1,81 @@
+/*-------------------------------------------------------------------------
+
+  SDCCralloc.h - header file register allocation
+
+                Written By -  Sandeep Dutta . sandeep.dutta@usa.net (1998)
+
+   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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+   In other words, you are welcome to use, share and improve this program.
+   You are forbidden to forbid anyone else to use, share and improve
+   what you give them.   Help stamp out software-hoarding!
+-------------------------------------------------------------------------*/
+#include "SDCCicode.h"
+#include "SDCCBBlock.h"
+#ifndef SDCCRALLOC_H
+#define SDCCRALLOC_H 1
+
+enum
+{
+  R7_IDX = 0, R6_IDX, R5_IDX, R4_IDX,
+  R3_IDX, R2_IDX, R1_IDX, R0_IDX,
+  B0_IDX, B1_IDX, B2_IDX, B3_IDX,
+  B4_IDX, B5_IDX, B6_IDX, B7_IDX,
+  X8_IDX, X9_IDX, X10_IDX, X11_IDX,
+  X12_IDX, CND_IDX,
+  DPL_IDX, DPH_IDX, B_IDX, A_IDX,
+  END_IDX
+};
+
+
+#define REG_PTR 0x01
+#define REG_GPR 0x02
+#define REG_CND 0x04
+#define REG_BIT 0x08
+/* definition for the registers */
+typedef struct reg_info
+{
+  short type;                   /* can have value
+                                   REG_GPR, REG_BIT, REG_PTR or REG_CND */
+  short rIdx;                   /* index into register table */
+  short otype;
+  char *name;                   /* name */
+  char *dname;                  /* name when direct access needed */
+  char *base;                   /* base address */
+  short offset;                 /* offset from the base */
+  unsigned isFree:1;            /* is currently unassigned  */
+
+  struct
+  {
+    unsigned valueKnown:1;
+    unsigned char value;        /* only valid when valueKnown is set */
+    char *symbol;               /* holds symbol if value is known by symbol */
+  }
+  rtrack;
+}
+reg_info;
+
+extern reg_info regs8051[];
+
+reg_info *mcs51_regWithIdx (int);
+
+bitVect *mcs51_rUmaskForOp (operand * op);
+bitVect *mcs51_allBitregs (void);
+bitVect *mcs51_allBankregs (void);
+
+extern int mcs51_ptrRegReq;
+extern int mcs51_nRegs;
+
+#endif