/* 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 "elf.h" #include "cfi.h" #define INSN_JUMP_CONDITIONAL 1 #define INSN_JUMP_UNCONDITIONAL 2 #define INSN_JUMP_DYNAMIC 3 #define INSN_CALL 4 #define INSN_CALL_DYNAMIC 5 #define INSN_RETURN 6 #define INSN_CONTEXT_SWITCH 7 #define INSN_STACK 8 #define INSN_BUG 9 #define INSN_NOP 10 #define INSN_STAC 11 #define INSN_CLAC 12 #define INSN_STD 13 #define INSN_CLD 14 #define INSN_OTHER 15 #define INSN_LAST INSN_OTHER enum op_dest_type { OP_DEST_REG, OP_DEST_REG_INDIRECT, OP_DEST_MEM, OP_DEST_PUSH, OP_DEST_PUSHF, OP_DEST_LEAVE, }; 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 op_dest dest; struct op_src src; }; void arch_initial_func_cfi_state(struct cfi_state *state); int arch_decode_instruction(struct elf *elf, struct section *sec, unsigned long offset, unsigned int maxlen, unsigned int *len, unsigned char *type, unsigned long *immediate, struct stack_op *op); bool arch_callee_saved_reg(unsigned char reg); #endif /* _ARCH_H */