mirror of https://gitee.com/openkylin/linux.git
77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
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*/
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#ifndef _ARCH_H
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#define _ARCH_H
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#include <stdbool.h>
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#include <linux/list.h>
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#include "elf.h"
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#include "cfi.h"
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#define INSN_JUMP_CONDITIONAL 1
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#define INSN_JUMP_UNCONDITIONAL 2
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#define INSN_JUMP_DYNAMIC 3
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#define INSN_CALL 4
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#define INSN_CALL_DYNAMIC 5
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#define INSN_RETURN 6
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#define INSN_CONTEXT_SWITCH 7
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#define INSN_STACK 8
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#define INSN_BUG 9
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#define INSN_NOP 10
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#define INSN_STAC 11
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#define INSN_CLAC 12
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#define INSN_STD 13
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#define INSN_CLD 14
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#define INSN_OTHER 15
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#define INSN_LAST INSN_OTHER
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enum op_dest_type {
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OP_DEST_REG,
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OP_DEST_REG_INDIRECT,
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OP_DEST_MEM,
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OP_DEST_PUSH,
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OP_DEST_PUSHF,
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OP_DEST_LEAVE,
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};
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struct op_dest {
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enum op_dest_type type;
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unsigned char reg;
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int offset;
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};
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enum op_src_type {
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OP_SRC_REG,
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OP_SRC_REG_INDIRECT,
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OP_SRC_CONST,
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OP_SRC_POP,
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OP_SRC_POPF,
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OP_SRC_ADD,
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OP_SRC_AND,
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};
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struct op_src {
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enum op_src_type type;
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unsigned char reg;
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int offset;
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};
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struct stack_op {
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struct op_dest dest;
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struct op_src src;
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};
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void arch_initial_func_cfi_state(struct cfi_state *state);
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int arch_decode_instruction(struct elf *elf, struct section *sec,
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unsigned long offset, unsigned int maxlen,
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unsigned int *len, unsigned char *type,
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unsigned long *immediate, struct stack_op *op);
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bool arch_callee_saved_reg(unsigned char reg);
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#endif /* _ARCH_H */
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