1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_X86_EXTABLE_FIXUP_TYPES_H
3 #define _ASM_X86_EXTABLE_FIXUP_TYPES_H
6 * Our IMM is signed, as such it must live at the top end of the word. Also,
7 * since C99 hex constants are of ambiguous type, force cast the mask to 'int'
8 * so that FIELD_GET() will DTRT and sign extend the value when it extracts it.
10 #define EX_DATA_TYPE_MASK ((int)0x000000FF)
11 #define EX_DATA_REG_MASK ((int)0x00000F00)
12 #define EX_DATA_FLAG_MASK ((int)0x0000F000)
13 #define EX_DATA_IMM_MASK ((int)0xFFFF0000)
15 #define EX_DATA_REG_SHIFT 8
16 #define EX_DATA_FLAG_SHIFT 12
17 #define EX_DATA_IMM_SHIFT 16
19 #define EX_DATA_REG(reg) ((reg) << EX_DATA_REG_SHIFT)
20 #define EX_DATA_FLAG(flag) ((flag) << EX_DATA_FLAG_SHIFT)
21 #define EX_DATA_IMM(imm) ((imm) << EX_DATA_IMM_SHIFT)
24 #define EX_REG_DS EX_DATA_REG(8)
25 #define EX_REG_ES EX_DATA_REG(9)
26 #define EX_REG_FS EX_DATA_REG(10)
27 #define EX_REG_GS EX_DATA_REG(11)
30 #define EX_FLAG_CLEAR_AX EX_DATA_FLAG(1)
31 #define EX_FLAG_CLEAR_DX EX_DATA_FLAG(2)
32 #define EX_FLAG_CLEAR_AX_DX EX_DATA_FLAG(3)
35 #define EX_TYPE_NONE 0
36 #define EX_TYPE_DEFAULT 1
37 #define EX_TYPE_FAULT 2
38 #define EX_TYPE_UACCESS 3
39 #define EX_TYPE_COPY 4
40 #define EX_TYPE_CLEAR_FS 5
41 #define EX_TYPE_FPU_RESTORE 6
43 #define EX_TYPE_WRMSR 8
44 #define EX_TYPE_RDMSR 9
45 #define EX_TYPE_WRMSR_SAFE 10 /* reg := -EIO */
46 #define EX_TYPE_RDMSR_SAFE 11 /* reg := -EIO */
47 #define EX_TYPE_WRMSR_IN_MCE 12
48 #define EX_TYPE_RDMSR_IN_MCE 13
49 #define EX_TYPE_DEFAULT_MCE_SAFE 14
50 #define EX_TYPE_FAULT_MCE_SAFE 15
52 #define EX_TYPE_POP_REG 16 /* sp += sizeof(long) */
53 #define EX_TYPE_POP_ZERO (EX_TYPE_POP_REG | EX_DATA_IMM(0))
55 #define EX_TYPE_IMM_REG 17 /* reg := (long)imm */
56 #define EX_TYPE_EFAULT_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(-EFAULT))
57 #define EX_TYPE_ZERO_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(0))
58 #define EX_TYPE_ONE_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(1))
60 #define EX_TYPE_FAULT_SGX 18
62 #define EX_TYPE_UCOPY_LEN 19 /* cx := reg + imm*cx */
63 #define EX_TYPE_UCOPY_LEN1 (EX_TYPE_UCOPY_LEN | EX_DATA_IMM(1))
64 #define EX_TYPE_UCOPY_LEN4 (EX_TYPE_UCOPY_LEN | EX_DATA_IMM(4))
65 #define EX_TYPE_UCOPY_LEN8 (EX_TYPE_UCOPY_LEN | EX_DATA_IMM(8))
67 #define EX_TYPE_ZEROPAD 20 /* longword load with zeropad on fault */