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diff --git a/binutils-2.25/gas/config/xtensa-istack.h b/binutils-2.25/gas/config/xtensa-istack.h
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+/* Declarations for stacks of tokenized Xtensa instructions.
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
+ 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 3, 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, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+#ifndef XTENSA_ISTACK_H
+#define XTENSA_ISTACK_H
+
+#include "xtensa-isa.h"
+
+#define MAX_ISTACK 12
+#define MAX_INSN_ARGS 64
+
+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;
+
+ xtensa_opcode opcode; /* Literals have an invalid opcode. */
+ bfd_boolean is_specific_opcode;
+ bfd_boolean keep_wide;
+ int ntok;
+ expressionS tok[MAX_INSN_ARGS];
+ bfd_boolean loc_directive_seen;
+ struct dwarf2_line_info debug_line;
+
+ /* This field is used for two types of special pseudo ops:
+ 1. TLS-related operations. Eg: callx8.tls
+ 2. j.l label, a2
+
+ For the tls-related operations, it will hold a tls-related opcode
+ and info to be used in a fixup. For j.l it will hold a
+ register to be used during relaxation. */
+ expressionS extra_arg;
+
+ /* Filled out by relaxation_requirements: */
+ enum xtensa_relax_statesE subtype;
+ int literal_space;
+
+ /* Filled out by vinsn_to_insnbuf: */
+ symbolS *symbol;
+ offsetT offset;
+ fragS *literal_frag;
+} 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 (IStack *);
+bfd_boolean istack_empty (IStack *);
+bfd_boolean istack_full (IStack *);
+TInsn *istack_top (IStack *);
+void istack_push (IStack *, TInsn *);
+TInsn *istack_push_space (IStack *);
+void istack_pop (IStack *);
+
+/* TInsn utilities. */
+void tinsn_init (TInsn *);
+
+
+/* vliw_insn: bundles of TInsns. */
+
+typedef struct vliw_insn
+{
+ xtensa_format format;
+ int num_slots;
+ unsigned int inside_bundle;
+ TInsn slots[MAX_SLOTS];
+ xtensa_insnbuf insnbuf;
+ xtensa_insnbuf slotbuf[MAX_SLOTS];
+} vliw_insn;
+
+#endif /* !XTENSA_ISTACK_H */