Home | History | Annotate | Line # | Download | only in libexecinfo 
      1 /*	$NetBSD: symbol_hppa.c,v 1.1 2022/06/25 06:51:37 skrll Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2022 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Nick Hudson.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __RCSID("$NetBSD: symbol_hppa.c,v 1.1 2022/06/25 06:51:37 skrll Exp $");
     34 
     35 #include "symbol.h"
     36 
     37 #define	HPPA_IS_PLABEL(addr)	(((uintptr_t)(addr)) & (1 << 1))
     38 #define	HPPA_GET_PLABEL(addr)	((hppa_plabel *) (((uintptr_t)addr) & ~3))
     39 
     40 typedef struct {
     41 	uintptr_t	pl_pc;
     42 	uintptr_t	pl_sl;
     43 } hppa_plabel;
     44 
     45 
     46 uintptr_t
     47 symbol_canonicalize_md(const void *addr)
     48 {
     49 	return HPPA_IS_PLABEL(addr) ?
     50 	    HPPA_GET_PLABEL(addr)->pl_pc : (uintptr_t)addr;
     51 }
     52