Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #ifndef _CHECK_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define _CHECK_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <stdbool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "cfi.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "arch.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct insn_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	struct cfi_state cfi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	unsigned int uaccess_stack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	bool uaccess;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	bool df;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	bool noinstr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	s8 instr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct instruction {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	struct hlist_node hash;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	struct list_head static_call_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	struct list_head mcount_loc_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	struct section *sec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	unsigned long offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	unsigned int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	enum insn_type type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	unsigned long immediate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	bool dead_end, ignore, ignore_alts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	bool hint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	bool retpoline_safe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	s8 instr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	u8 visited;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	u8 ret_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	int alt_group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	struct symbol *call_dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	struct instruction *jump_dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	struct instruction *first_jump_src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	struct reloc *jump_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	struct list_head alts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	struct symbol *func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	struct list_head stack_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	struct cfi_state cfi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #ifdef INSN_USE_ORC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	struct orc_entry orc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static inline bool is_static_jump(struct instruction *insn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	return insn->type == INSN_JUMP_CONDITIONAL ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	       insn->type == INSN_JUMP_UNCONDITIONAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static inline bool is_dynamic_jump(struct instruction *insn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	return insn->type == INSN_JUMP_DYNAMIC ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	       insn->type == INSN_JUMP_DYNAMIC_CONDITIONAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static inline bool is_jump(struct instruction *insn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	return is_static_jump(insn) || is_dynamic_jump(insn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) struct instruction *find_insn(struct objtool_file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 			      struct section *sec, unsigned long offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define for_each_insn(file, insn)					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 	list_for_each_entry(insn, &file->insn_list, list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define sec_for_each_insn(file, sec, insn)				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 	for (insn = find_insn(file, sec, 0);				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 	     insn && &insn->list != &file->insn_list &&			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 			insn->sec == sec;				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 	     insn = list_next_entry(insn, list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #endif /* _CHECK_H */