forked from Minki/linux
dcc914f44f
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: Josh Poimboeuf <jpoimboe@redhat.com> Reviewed-by: Jiri 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: Ingo Molnar <mingo@kernel.org>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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* Copyright (C) 2015-2017 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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* objtool check:
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*
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* This command analyzes every .o file and ensures the validity of its stack
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* trace metadata. It enforces a set of rules on asm code and C inline
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* assembly code so that stack traces can be reliable.
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*
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* For more information, see tools/objtool/Documentation/stack-validation.txt.
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*/
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#include <subcmd/parse-options.h>
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#include "builtin.h"
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#include "check.h"
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bool nofp;
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static const char * const check_usage[] = {
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"objtool check [<options>] file.o",
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NULL,
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};
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const struct option check_options[] = {
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OPT_BOOLEAN('f', "no-fp", &nofp, "Skip frame pointer validation"),
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OPT_END(),
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};
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int cmd_check(int argc, const char **argv)
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{
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const char *objname;
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argc = parse_options(argc, argv, check_options, check_usage, 0);
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if (argc != 1)
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usage_with_options(check_usage, check_options);
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objname = argv[0];
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return check(objname, nofp);
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}
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