/* SPDX-License-Identifier: GPL-2.0-or-later *//* * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com> */ #ifndef _ARCH_H#define _ARCH_H #include <stdbool.h>#include <linux/list.h>#include <objtool/objtool.h>#include <objtool/cfi.h> enum insn_type {	INSN_JUMP_CONDITIONAL,	INSN_JUMP_UNCONDITIONAL,	INSN_JUMP_DYNAMIC,	INSN_JUMP_DYNAMIC_CONDITIONAL,	INSN_CALL,	INSN_CALL_DYNAMIC,	INSN_RETURN,	INSN_CONTEXT_SWITCH,	INSN_BUG,	INSN_NOP,	INSN_STAC,	INSN_CLAC,	INSN_STD,	INSN_CLD,	INSN_TRAP,	INSN_ENDBR,	INSN_OTHER,}; enum op_dest_type {	OP_DEST_REG,	OP_DEST_REG_INDIRECT,	OP_DEST_MEM,	OP_DEST_PUSH,	OP_DEST_PUSHF,}; struct op_dest {	enum op_dest_type type;	unsigned char reg;	int offset;}; enum op_src_type {	OP_SRC_REG,	OP_SRC_REG_INDIRECT,	OP_SRC_CONST,	OP_SRC_POP,	OP_SRC_POPF,	OP_SRC_ADD,	OP_SRC_AND,}; struct op_src {	enum op_src_type type;	unsigned char reg;	int offset;}; struct stack_op {	struct stack_op *next;	struct op_dest dest;	struct op_src src;}; struct instruction; int arch_ftrace_match(char *name); void arch_initial_func_cfi_state(struct cfi_init_state *state); int arch_decode_instruction(struct objtool_file *file, const struct section *sec,			    unsigned long offset, unsigned int maxlen,			    struct instruction *insn); bool arch_callee_saved_reg(unsigned char reg); unsigned long arch_jump_destination(struct instruction *insn); unsigned long arch_dest_reloc_offset(int addend); const char *arch_nop_insn(int len);const char *arch_ret_insn(int len); int arch_decode_hint_reg(u8 sp_reg, int *base); bool arch_is_retpoline(struct symbol *sym);bool arch_is_rethunk(struct symbol *sym);bool arch_is_embedded_insn(struct symbol *sym); int arch_rewrite_retpolines(struct objtool_file *file); bool arch_pc_relative_reloc(struct reloc *reloc); #endif /* _ARCH_H */