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/*
 * Copyright (c) 2002,2003 Hewlett-Packard Company
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

struct uwx_utable_entry;

extern int uwx_decode_uinfo(
    struct uwx_env *env,
    struct uwx_utable_entry *uentry,
    uint64_t **rstatep);

extern int uwx_default_rstate(
    struct uwx_env *env,
    uint64_t **rstatep);

/* Region header record */

struct uwx_rhdr {
    int is_prologue;		/* true if prologue region */
    unsigned int rlen;		/* length of region (# instruction slots) */
    int mask;			/* register save mask */
    int grsave;			/* first gr used for saving */
    unsigned int ecount;	/* epilogue count (0 = no epilogue) */
    unsigned int epilogue_t;	/* epilogue "t" value */
};

struct uwx_bstream;

extern int uwx_decode_rhdr(
    struct uwx_env *env,
    struct uwx_bstream *bstream,
    struct uwx_rhdr *rhdr);

extern int uwx_decode_prologue(
    struct uwx_env *env,
    struct uwx_bstream *bstream,
    struct uwx_scoreboard *scoreboard,
    struct uwx_rhdr *rhdr,
    int ip_slot);

extern int uwx_decode_body(
    struct uwx_env *env,
    struct uwx_bstream *bstream,
    struct uwx_scoreboard *scoreboard,
    struct uwx_rhdr *rhdr,
    int ip_slot);