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