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/*
* 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 */
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