/* Declarations for stacks of tokenized Xtensa instructions. Copyright (C) 2003 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 XTENSA_ISTACK_H #define XTENSA_ISTACK_H #include "xtensa-isa.h" #define MAX_ISTACK 12 #define MAX_INSN_ARGS 6 enum itype_enum { ITYPE_INSN, ITYPE_LITERAL, ITYPE_LABEL }; /* Literals have 1 token and no opcode. Labels have 1 token and no opcode. */ typedef struct tinsn_struct { enum itype_enum insn_type; bfd_boolean is_specific_opcode; xtensa_opcode opcode; /* Literals have an invalid opcode. */ int ntok; expressionS tok[MAX_INSN_ARGS]; } TInsn; /* tinsn_stack: This is a stack of instructions to be placed. */ typedef struct tinsn_stack { int ninsn; TInsn insn[MAX_ISTACK]; } IStack; void istack_init PARAMS ((IStack *)); bfd_boolean istack_empty PARAMS ((IStack *)); bfd_boolean istack_full PARAMS ((IStack *)); TInsn * istack_top PARAMS ((IStack *)); void istack_push PARAMS ((IStack *, TInsn *)); TInsn * istack_push_space PARAMS ((IStack *)); void istack_pop PARAMS ((IStack *)); /* TInsn utilities. */ void tinsn_init PARAMS ((TInsn *)); void tinsn_copy PARAMS ((TInsn *, const TInsn *)); expressionS *tinsn_get_tok PARAMS ((TInsn *, int)); #endif /* !XTENSA_ISTACK_H */