/* * 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 */