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Commit dcc914f4 authored by Josh Poimboeuf's avatar Josh Poimboeuf Committed by Ingo Molnar
Browse files

objtool: Move checking code to check.c 



In preparation for the new 'objtool undwarf generate' command, which
will rely on 'objtool check', move the checking code from
builtin-check.c to check.c where it can be used by other commands.

Signed-off-by: default avatarJosh Poimboeuf <jpoimboe@redhat.com>
Reviewed-by: default avatarJiri Slaby <jslaby@suse.cz>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: live-patching@vger.kernel.org
Link: http://lkml.kernel.org/r/294c5c695fd73c1a5000bbe5960a7c9bec4ee6b4.1498659915.git.jpoimboe@redhat.com


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 4d8a991d

tools/objtool/Build

+1 −0
Original line number Diff line number Diff line 
objtool-y += arch/$(SRCARCH)/

objtool-y += builtin-check.o

objtool-y += check.o

objtool-y += elf.o

objtool-y += special.o

objtool-y += objtool.o

tools/objtool/builtin-check.c

+13 −1268

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tools/objtool/check.c

0 → 100644
+1263 −0

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tools/objtool/check.h

0 → 100644
+51 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2017 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 _CHECK_H

#define _CHECK_H



#include <stdbool.h>

#include "elf.h"

#include "arch.h"

#include <linux/hashtable.h>



struct instruction {

	struct list_head list;

	struct hlist_node hash;

	struct section *sec;

	unsigned long offset;

	unsigned int len, state;

	unsigned char type;

	unsigned long immediate;

	bool alt_group, visited, dead_end;

	struct symbol *call_dest;

	struct instruction *jump_dest;

	struct list_head alts;

	struct symbol *func;

};



struct objtool_file {

	struct elf *elf;

	struct list_head insn_list;

	DECLARE_HASHTABLE(insn_hash, 16);

	struct section *rodata, *whitelist;

	bool ignore_unreachables, c_file;

};



int check(const char *objname, bool nofp);



#endif /* _CHECK_H */