debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/tools/objtool/special.h
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@@ -1,31 +1,23 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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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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 #ifndef _SPECIAL_H
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 #define _SPECIAL_H
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 #include <stdbool.h>
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+#include "check.h"
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 #include "elf.h"
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+
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+#define C_JUMP_TABLE_SECTION ".rodata..c_jump_table"
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 struct special_alt {
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 	struct list_head list;
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 	bool group;
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 	bool skip_orig;
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+	bool skip_alt;
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 	bool jump_or_nop;
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 	struct section *orig_sec;
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@@ -39,4 +31,11 @@
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 int special_get_alts(struct elf *elf, struct list_head *alts);
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+void arch_handle_alternative(unsigned short feature, struct special_alt *alt);
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+
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+bool arch_support_alt_relocation(struct special_alt *special_alt,
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+				 struct instruction *insn,
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+				 struct reloc *reloc);
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+struct reloc *arch_find_switch_table(struct objtool_file *file,
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+				    struct instruction *insn);
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 #endif /* _SPECIAL_H */