e3e21edb19
This causes some increase of the dynamic linker size, but benefits of avoiding compiling private copy or the linker when debugging is required. definitely worth it. The dbg() calls can be compiled out by defining LD_NO_DEBUG symbol. Sponsored by: The FreeBSD Foundation MFC after: 1 week
65 lines
2.0 KiB
C
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 <unistd.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) write(STDOUT_FILENO, s, strlen(s))
|
|
#define trace() msg(_MYNAME ": " __XSTRING(__LINE__) "\n")
|
|
|
|
|
|
#endif /* DEBUG_H */
|