Function report |
Source Code:arch\x86\lib\insn-eval.c |
Create Date:2022-07-28 07:25:41 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:get_eff_addr_sib() - Obtain referenced effective address via SIB*@insn: Instruction
Proto:static int get_eff_addr_sib(struct insn *insn, struct pt_regs *regs, int *base_offset, long *eff_addr)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct insn * | insn | |
struct pt_regs * | regs | |
int * | base_offset | |
long * | eff_addr |
1068 | If addr_bytes != 8 && addr_bytes != 4 Then Return -EINVAL |
1076 | If X86_MODRM_MOD(value) > 2 Then Return -EINVAL |
1084 | base_offset = get_reg_offset(insn, regs, REG_TYPE_BASE) |
1085 | indx_offset = get_reg_offset(insn, regs, REG_TYPE_INDEX) |
1092 | If base_offset == -EDOM Then base = 0 |
1094 | Else if base_offset < 0 Then Return -EINVAL |
1099 | If indx_offset == -EDOM Then indx = 0 |
1101 | Else if indx_offset < 0 Then Return -EINVAL |
1106 | If addr_bytes == 4 Then |
1112 | addr32 = base32 + idx32 * (1 << X86_SIB_SCALE(value)) |
1116 | Else |
1121 | Return 0 |
Name | Describe |
---|---|
get_addr_ref_32 | get_addr_ref_32() - Obtain a 32-bit linear address*@insn: Instruction with ModRM, SIB bytes and displacement*@regs: Register values as seen when entering kernel mode* This function is to be used with 32-bit address encodings to obtain the* linear memory |
get_addr_ref_64 |
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