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[/] [openrisc/] [trunk/] [gnu-old/] [binutils-2.18.50/] [gas/] [config/] [xtensa-istack.h] - Blame information for rev 816

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/* Declarations for stacks of tokenized Xtensa instructions.
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   Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc.
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   This file is part of GAS, the GNU Assembler.
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   GAS is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3, or (at your option)
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   any later version.
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   GAS is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with GAS; see the file COPYING.  If not, write to the Free
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   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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   02110-1301, USA.  */
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#ifndef XTENSA_ISTACK_H
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#define XTENSA_ISTACK_H
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#include "xtensa-isa.h"
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#define MAX_ISTACK 12
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#define MAX_INSN_ARGS 10
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enum itype_enum
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{
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  ITYPE_INSN,
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  ITYPE_LITERAL,
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  ITYPE_LABEL
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};
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/* Literals have 1 token and no opcode.
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   Labels have 1 token and no opcode.  */
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typedef struct tinsn_struct
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{
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  enum itype_enum insn_type;
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  xtensa_opcode opcode; /* Literals have an invalid opcode.  */
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  bfd_boolean is_specific_opcode;
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  bfd_boolean keep_wide;
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  int ntok;
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  expressionS tok[MAX_INSN_ARGS];
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  bfd_boolean loc_directive_seen;
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  struct dwarf2_line_info debug_line;
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  /* Filled out by relaxation_requirements:  */
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  enum xtensa_relax_statesE subtype;
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  int literal_space;
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  /* Filled out by vinsn_to_insnbuf:  */
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  symbolS *symbol;
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  offsetT offset;
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  fragS *literal_frag;
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} TInsn;
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/* tinsn_stack:  This is a stack of instructions to  be placed.  */
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typedef struct tinsn_stack
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{
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  int ninsn;
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  TInsn insn[MAX_ISTACK];
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} IStack;
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void istack_init (IStack *);
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bfd_boolean istack_empty (IStack *);
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bfd_boolean istack_full (IStack *);
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TInsn *istack_top (IStack *);
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void istack_push (IStack *, TInsn *);
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TInsn *istack_push_space (IStack *);
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void istack_pop (IStack *);
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/* TInsn utilities.  */
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void tinsn_init (TInsn *);
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/* vliw_insn: bundles of TInsns.  */
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typedef struct vliw_insn
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{
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  xtensa_format format;
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  int num_slots;
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  unsigned int inside_bundle;
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  TInsn slots[MAX_SLOTS];
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  xtensa_insnbuf insnbuf;
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  xtensa_insnbuf slotbuf[MAX_SLOTS];
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} vliw_insn;
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#endif /* !XTENSA_ISTACK_H */

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