19990502 sourceware importbinu_ss_19990502

1 files changed, 283 insertions, 0 deletions

diff --git a/gas/config/m68k-parse.h b/gas/config/m68k-parse.h
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+/* m68k-parse.h -- header file for m68k assembler
+   Copyright (C) 1987, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
+
+   This file is part of GAS, the GNU Assembler.
+
+   GAS 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.
+
+   GAS 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 GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */
+
+#ifndef M68K_PARSE_H
+#define M68K_PARSE_H
+
+/* This header file defines things which are shared between the
+   operand parser in m68k.y and the m68k assembler proper in
+   tc-m68k.c.  */
+
+/* The various m68k registers.  */
+
+/* DATA and ADDR have to be contiguous, so that reg-DATA gives
+   0-7==data reg, 8-15==addr reg for operands that take both types.
+
+   We don't use forms like "ADDR0 = ADDR" here because this file is
+   likely to be used on an Apollo, and the broken Apollo compiler
+   gives an `undefined variable' error if we do that, according to
+   troy@cbme.unsw.edu.au.  */
+
+#define DATA DATA0
+#define ADDR ADDR0
+#define SP ADDR7
+#define BAD BAD0
+#define BAC BAC0
+
+enum m68k_register
+{
+  DATA0 = 1,			/*   1- 8 == data registers 0-7 */
+  DATA1,
+  DATA2,
+  DATA3,
+  DATA4,
+  DATA5,
+  DATA6,
+  DATA7,
+
+  ADDR0,
+  ADDR1,
+  ADDR2,
+  ADDR3,
+  ADDR4,
+  ADDR5,
+  ADDR6,
+  ADDR7,
+
+  FP0,				/* Eight FP registers */
+  FP1,
+  FP2,
+  FP3,
+  FP4,
+  FP5,
+  FP6,
+  FP7,
+
+  COP0,				/* Co-processor #0-#7 */
+  COP1,
+  COP2,
+  COP3,
+  COP4,
+  COP5,
+  COP6,
+  COP7,
+
+  PC,				/* Program counter */
+  ZPC,				/* Hack for Program space, but 0 addressing */
+  SR,				/* Status Reg */
+  CCR,				/* Condition code Reg */
+
+  /* These have to be grouped together for the movec instruction to work. */
+  USP,				/*  User Stack Pointer */
+  ISP,				/*  Interrupt stack pointer */
+  SFC,
+  DFC,
+  CACR,
+  VBR,
+  CAAR,
+  MSP,
+  ITT0,
+  ITT1,
+  DTT0,
+  DTT1,
+  MMUSR,
+  TC,
+  SRP,
+  URP,
+  BUSCR,			/* 68060 added these */
+  PCR,
+  ROMBAR,			/* mcf5200 added these */
+  RAMBAR0,
+  RAMBAR1,
+  MBAR,
+#define last_movec_reg MBAR
+  /* end of movec ordering constraints */
+
+  FPI,
+  FPS,
+  FPC,
+
+  DRP,				/* 68851 or 68030 MMU regs */
+  CRP,
+  CAL,
+  VAL,
+  SCC,
+  AC,
+  BAD0,
+  BAD1,
+  BAD2,
+  BAD3,
+  BAD4,
+  BAD5,
+  BAD6,
+  BAD7,
+  BAC0,
+  BAC1,
+  BAC2,
+  BAC3,
+  BAC4,
+  BAC5,
+  BAC6,
+  BAC7,
+  PSR,				/* aka MMUSR on 68030 (but not MMUSR on 68040)
+				   and ACUSR on 68ec030 */
+  PCSR,
+
+  IC,				/* instruction cache token */
+  DC,				/* data cache token */
+  NC,				/* no cache token */
+  BC,				/* both caches token */
+
+  TT0,				/* 68030 access control unit regs */
+  TT1,
+
+  ZDATA0,			/* suppressed data registers.  */
+  ZDATA1,
+  ZDATA2,
+  ZDATA3,
+  ZDATA4,
+  ZDATA5,
+  ZDATA6,
+  ZDATA7,
+
+  ZADDR0,			/* suppressed address registers.  */
+  ZADDR1,
+  ZADDR2,
+  ZADDR3,
+  ZADDR4,
+  ZADDR5,
+  ZADDR6,
+  ZADDR7,
+};
+
+/* Size information.  */
+
+enum m68k_size
+{
+  /* Unspecified.  */
+  SIZE_UNSPEC,
+
+  /* Byte.  */
+  SIZE_BYTE,
+
+  /* Word (2 bytes).  */
+  SIZE_WORD,
+
+  /* Longword (4 bytes).  */
+  SIZE_LONG
+};
+
+/* The structure used to hold information about an index register.  */
+
+struct m68k_indexreg
+{
+  /* The index register itself.  */
+  enum m68k_register reg;
+
+  /* The size to use.  */
+  enum m68k_size size;
+
+  /* The value to scale by.  */
+  int scale;
+};
+
+#ifdef OBJ_ELF
+/* The type of a PIC expression.  */
+
+enum pic_relocation
+{
+  pic_none,			/* not pic */
+  pic_plt_pcrel,		/* @PLTPC */
+  pic_got_pcrel,		/* @GOTPC */
+  pic_plt_off,			/* @PLT */
+  pic_got_off			/* @GOT */
+};
+#endif
+
+/* The structure used to hold information about an expression.  */
+
+struct m68k_exp
+{
+  /* The size to use.  */
+  enum m68k_size size;
+
+#ifdef OBJ_ELF
+  /* The type of pic relocation if any.  */
+  enum pic_relocation pic_reloc;
+#endif
+
+  /* The expression itself.  */
+  expressionS exp;
+};
+
+/* The operand modes.  */
+
+enum m68k_operand_type
+{
+  IMMED = 1,
+  ABSL,
+  DREG,
+  AREG,
+  FPREG,
+  CONTROL,
+  AINDR,
+  AINC,
+  ADEC,
+  DISP,
+  BASE,
+  POST,
+  PRE,
+  REGLST
+};
+
+/* The structure used to hold a parsed operand.  */
+
+struct m68k_op
+{
+  /* The type of operand.  */
+  enum m68k_operand_type mode;
+
+  /* The main register.  */
+  enum m68k_register reg;
+
+  /* The register mask for mode REGLST.  */
+  unsigned long mask;
+
+  /* An error message.  */
+  const char *error;
+
+  /* The index register.  */
+  struct m68k_indexreg index;
+
+  /* The displacement.  */
+  struct m68k_exp disp;
+
+  /* The outer displacement.  */
+  struct m68k_exp odisp;
+};
+
+#endif /* ! defined (M68K_PARSE_H) */
+
+/* The parsing function.  */
+
+extern int m68k_ip_op PARAMS ((char *, struct m68k_op *));
+
+/* Whether register prefixes are optional.  */
+extern int flag_reg_prefix_optional;