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  	DECLARE_HASHTABLE(insn_hash, 20);
25  	struct list_head retpoline_call_list;
26  	struct list_head return_thunk_list;
27  	struct list_head static_call_list;
28  	struct list_head mcount_loc_list;
29  	struct list_head endbr_list;
30  	struct list_head call_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