mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/* 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 */
|