1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright (C) 2020 Matt Helsley <mhelsley@vmware.com>
4  */
5 
6 #ifndef _OBJTOOL_H
7 #define _OBJTOOL_H
8 
9 #include <stdbool.h>
10 #include <linux/list.h>
11 #include <linux/hashtable.h>
12 
13 #include <objtool/elf.h>
14 
15 #define __weak __attribute__((weak))
16 
17 struct pv_state {
18 	bool clean;
19 	struct list_head targets;
20 };
21 
22 struct objtool_file {
23 	struct elf *elf;
24 	struct list_head insn_list;
25 	DECLARE_HASHTABLE(insn_hash, 20);
26 	struct list_head retpoline_call_list;
27 	struct list_head return_thunk_list;
28 	struct list_head static_call_list;
29 	struct list_head mcount_loc_list;
30 	struct list_head endbr_list;
31 	bool ignore_unreachables, hints, rodata;
32 
33 	unsigned int nr_endbr;
34 	unsigned int nr_endbr_int;
35 
36 	unsigned long jl_short, jl_long;
37 	unsigned long jl_nop_short, jl_nop_long;
38 
39 	struct pv_state *pv_ops;
40 };
41 
42 struct objtool_file *objtool_open_read(const char *_objname);
43 
44 void objtool_pv_add(struct objtool_file *file, int idx, struct symbol *func);
45 
46 int check(struct objtool_file *file);
47 int orc_dump(const char *objname);
48 int orc_create(struct objtool_file *file);
49 
50 #endif /* _OBJTOOL_H */
51