/* * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _WARN_H#define _WARN_H #include <stdlib.h>#include <string.h>#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include "elf.h" extern const char *objname; static inline char *offstr(struct section *sec, unsigned long offset){	struct symbol *func;	char *name, *str;	unsigned long name_off; 	func = find_containing_func(sec, offset);	if (func) {		name = func->name;		name_off = offset - func->offset;	} else {		name = sec->name;		name_off = offset;	} 	str = malloc(strlen(name) + 20); 	if (func)		sprintf(str, "%s()+0x%lx", name, name_off);	else		sprintf(str, "%s+0x%lx", name, name_off); 	return str;} #define WARN(format, ...)				\	fprintf(stderr,					\		"%s: warning: objtool: " format "\n",	\		objname, ##__VA_ARGS__) #define WARN_FUNC(format, sec, offset, ...)		\({							\	char *_str = offstr(sec, offset);		\	WARN("%s: " format, _str, ##__VA_ARGS__);	\	free(_str);					\}) #define WARN_ELF(format, ...)				\	WARN(format ": %s", ##__VA_ARGS__, elf_errmsg(-1)) #endif /* _WARN_H */