/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2015 Josh Poimboeuf */ #ifndef _ARCH_H #define _ARCH_H #include #include #include "objtool.h" #include "cfi.h" #ifdef INSN_USE_ORC #include #endif 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_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; struct list_head list; }; struct instruction; void arch_initial_func_cfi_state(struct cfi_init_state *state); int arch_decode_instruction(const struct elf *elf, const struct section *sec, unsigned long offset, unsigned int maxlen, unsigned int *len, enum insn_type *type, unsigned long *immediate, struct list_head *ops_list); 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); #endif /* _ARCH_H */