函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\lib\insn-eval.c Create Date:2022-07-27 08:24:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：get_addr_ref_64

函数原型：static void __user *get_addr_ref_64(struct insn *insn, struct pt_regs *regs)

返回类型：void

参数：

类型参数名称
struct insn *insn
struct pt_regs *regs
1301  linear_addr等于负1L
1305  如果addr_bytes不等于8则转到:out
1308  如果X86_MODRM_MOD(value)恒等于3则
1309  ret等于get_eff_addr_reg() - Obtain effective address from register operand*@insn: Instruction
1310  如果ret则转到:out
1313  否则
1314  如果nbytes则
1315  ret等于get_eff_addr_sib() - Obtain referenced effective address via SIB*@insn: Instruction
1316  如果ret则转到:out
1318  否则
1319  ret等于get_eff_addr_modrm() - Obtain referenced effective address via ModRM*@insn: Instruction
1320  如果ret则转到:out
1326  ret等于get_seg_base_limit() - obtain base address and limit of a segment*@insn: Instruction
1327  如果ret则转到:out
1330  linear_addr等于eff_addr加seg_base
1332  out :
1333  返回:linear_addr
调用者
名称描述
insn_get_addr_refsn_get_addr_ref() - Obtain the linear address referred by instruction*@insn: Instruction structure containing ModRM byte and displacement*@regs: Structure with register values as seen when entering kernel mode* Obtain the linear address referred by the