73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/* Declarations for stacks of tokenized Xtensa instructions.
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Copyright (C) 2003 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 2, 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, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, 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 6
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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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bfd_boolean is_specific_opcode;
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xtensa_opcode opcode; /* Literals have an invalid opcode. */
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int ntok;
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expressionS tok[MAX_INSN_ARGS];
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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 PARAMS ((IStack *));
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bfd_boolean istack_empty PARAMS ((IStack *));
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bfd_boolean istack_full PARAMS ((IStack *));
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TInsn * istack_top PARAMS ((IStack *));
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void istack_push PARAMS ((IStack *, TInsn *));
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TInsn * istack_push_space PARAMS ((IStack *));
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void istack_pop PARAMS ((IStack *));
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/* TInsn utilities. */
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void tinsn_init PARAMS ((TInsn *));
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void tinsn_copy PARAMS ((TInsn *, const TInsn *));
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expressionS *tinsn_get_tok PARAMS ((TInsn *, int));
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#endif /* !XTENSA_ISTACK_H */
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