/* * 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 "cfi.h"#include "arch.h"#include "orc.h"#include <linux/hashtable.h> struct insn_state {	struct cfi_reg cfa;	struct cfi_reg regs[CFI_NUM_REGS];	int stack_size;	unsigned char type;	bool bp_scratch;	bool drap, end;	int drap_reg, drap_offset;	struct cfi_reg vals[CFI_NUM_REGS];}; struct instruction {	struct list_head list;	struct hlist_node hash;	struct section *sec;	unsigned long offset;	unsigned int len;	unsigned char type;	unsigned long immediate;	bool alt_group, visited, dead_end, ignore, hint, save, restore, ignore_alts;	bool retpoline_safe;	struct symbol *call_dest;	struct instruction *jump_dest;	struct instruction *first_jump_src;	struct list_head alts;	struct symbol *func;	struct stack_op stack_op;	struct insn_state state;	struct orc_entry orc;}; struct objtool_file {	struct elf *elf;	struct list_head insn_list;	DECLARE_HASHTABLE(insn_hash, 16);	struct section *whitelist;	bool ignore_unreachables, c_file, hints, rodata;}; int check(const char *objname, bool orc); struct instruction *find_insn(struct objtool_file *file,			      struct section *sec, unsigned long offset); #define for_each_insn(file, insn)					\	list_for_each_entry(insn, &file->insn_list, list) #define sec_for_each_insn(file, sec, insn)				\	for (insn = find_insn(file, sec, 0);				\	     insn && &insn->list != &file->insn_list &&			\			insn->sec == sec;				\	     insn = list_next_entry(insn, list))  #endif /* _CHECK_H */