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