NetBSD/lib/libexecinfo/symbol_hppa.c

52 lines
2.0 KiB
C

/* $NetBSD: symbol_hppa.c,v 1.1 2022/06/25 06:51:37 skrll Exp $ */
/*-
* Copyright (c) 2022 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Nick Hudson.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: symbol_hppa.c,v 1.1 2022/06/25 06:51:37 skrll Exp $");
#include "symbol.h"
#define HPPA_IS_PLABEL(addr) (((uintptr_t)(addr)) & (1 << 1))
#define HPPA_GET_PLABEL(addr) ((hppa_plabel *) (((uintptr_t)addr) & ~3))
typedef struct {
uintptr_t pl_pc;
uintptr_t pl_sl;
} hppa_plabel;
uintptr_t
symbol_canonicalize_md(const void *addr)
{
return HPPA_IS_PLABEL(addr) ?
HPPA_GET_PLABEL(addr)->pl_pc : (uintptr_t)addr;
}