13124c3e0SJohn Polstra /*- 23124c3e0SJohn Polstra * Copyright 1996-1998 John D. Polstra. 33124c3e0SJohn Polstra * All rights reserved. 43124c3e0SJohn Polstra * 53124c3e0SJohn Polstra * Redistribution and use in source and binary forms, with or without 63124c3e0SJohn Polstra * modification, are permitted provided that the following conditions 73124c3e0SJohn Polstra * are met: 83124c3e0SJohn Polstra * 1. Redistributions of source code must retain the above copyright 93124c3e0SJohn Polstra * notice, this list of conditions and the following disclaimer. 103124c3e0SJohn Polstra * 2. Redistributions in binary form must reproduce the above copyright 113124c3e0SJohn Polstra * notice, this list of conditions and the following disclaimer in the 123124c3e0SJohn Polstra * documentation and/or other materials provided with the distribution. 133124c3e0SJohn Polstra * 143124c3e0SJohn Polstra * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 153124c3e0SJohn Polstra * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 163124c3e0SJohn Polstra * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 173124c3e0SJohn Polstra * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 183124c3e0SJohn Polstra * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 193124c3e0SJohn Polstra * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 203124c3e0SJohn Polstra * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 213124c3e0SJohn Polstra * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 223124c3e0SJohn Polstra * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 233124c3e0SJohn Polstra * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 243124c3e0SJohn Polstra * 257f3dea24SPeter Wemm * $FreeBSD$ 263124c3e0SJohn Polstra */ 273124c3e0SJohn Polstra 283124c3e0SJohn Polstra /* 293124c3e0SJohn Polstra * Support for printing debugging messages. 303124c3e0SJohn Polstra */ 313124c3e0SJohn Polstra 323124c3e0SJohn Polstra #ifndef DEBUG_H 333124c3e0SJohn Polstra #define DEBUG_H 1 343124c3e0SJohn Polstra 353124c3e0SJohn Polstra #ifndef __GNUC__ 363124c3e0SJohn Polstra #error "This file must be compiled with GCC" 373124c3e0SJohn Polstra #endif 383124c3e0SJohn Polstra 390edd3ca7SJohn Polstra #include <sys/cdefs.h> 400edd3ca7SJohn Polstra 41d3980376SJohn Polstra #include <string.h> 42d3980376SJohn Polstra #include <unistd.h> 43d3980376SJohn Polstra 440edd3ca7SJohn Polstra extern void debug_printf(const char *, ...) __printflike(1, 2); 453124c3e0SJohn Polstra extern int debug; 463124c3e0SJohn Polstra 473124c3e0SJohn Polstra #ifdef DEBUG 483124c3e0SJohn Polstra #define dbg(format, args...) debug_printf(format , ## args) 493124c3e0SJohn Polstra #else 503124c3e0SJohn Polstra #define dbg(format, args...) ((void) 0) 513124c3e0SJohn Polstra #endif 523124c3e0SJohn Polstra 53d3980376SJohn Polstra #define assert(cond) ((cond) ? (void) 0 : \ 54d3980376SJohn Polstra (msg("ld-elf.so.1: assert failed: " __FILE__ ":" \ 55d3980376SJohn Polstra __XSTRING(__LINE__) "\n"), abort())) 56e1b4d8d0SSheldon Hearn #define msg(s) write(STDOUT_FILENO, s, strlen(s)) 57d3980376SJohn Polstra #define trace() msg("ld-elf.so.1: " __XSTRING(__LINE__) "\n") 58d3980376SJohn Polstra 593124c3e0SJohn Polstra #endif /* DEBUG_H */ 60