HardenedBSD/libexec/rtld-elf/debug.h
Alex Richardson e69dc8626a Use rtld_putstr() instead of write() for the rtld msg() macro
This removes an unnecessary libc dependency from rtld.
See https://reviews.freebsd.org/D20663 for more details.
2019-06-26 15:43:26 +00:00

65 lines
2.0 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright 1996-1998 John D. Polstra.
* All rights reserved.
*
* 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 AUTHOR ``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 AUTHOR 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.
*
* $FreeBSD$
*/
/*
* Support for printing debugging messages.
*/
#ifndef DEBUG_H
#define DEBUG_H 1
#include <sys/cdefs.h>
#include <string.h>
#include "rtld_printf.h"
void debug_printf(const char *, ...) __printflike(1, 2);
extern int debug;
#ifndef NO_LD_DEBUG
#define dbg(...) debug_printf(__VA_ARGS__)
#else
#define dbg(...) ((void) 0)
#endif
#ifndef COMPAT_32BIT
#define _MYNAME "ld-elf.so.1"
#else
#define _MYNAME "ld-elf32.so.1"
#endif
#define assert(cond) ((cond) ? (void) 0 : \
(msg(_MYNAME ": assert failed: " __FILE__ ":" \
__XSTRING(__LINE__) "\n"), abort()))
#define msg(s) rtld_putstr(s)
#define trace() msg(_MYNAME ": " __XSTRING(__LINE__) "\n")
#endif /* DEBUG_H */