1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_X86_EXTABLE_FIXUP_TYPES_H 3 #define _ASM_X86_EXTABLE_FIXUP_TYPES_H 4 5 #define EX_DATA_TYPE_MASK (0x000000FF) 6 #define EX_DATA_REG_MASK (0x00000F00) 7 #define EX_DATA_FLAG_MASK (0x0000F000) 8 #define EX_DATA_IMM_MASK (0xFFFF0000) 9 10 #define EX_DATA_REG_SHIFT 8 11 #define EX_DATA_FLAG_SHIFT 12 12 #define EX_DATA_IMM_SHIFT 16 13 14 #define EX_DATA_REG(reg) ((reg) << EX_DATA_REG_SHIFT) 15 #define EX_DATA_FLAG(flag) ((flag) << EX_DATA_FLAG_SHIFT) 16 #define EX_DATA_IMM(imm) ((imm) << EX_DATA_IMM_SHIFT) 17 18 /* segment regs */ 19 #define EX_REG_DS EX_DATA_REG(8) 20 #define EX_REG_ES EX_DATA_REG(9) 21 #define EX_REG_FS EX_DATA_REG(10) 22 #define EX_REG_GS EX_DATA_REG(11) 23 24 /* flags */ 25 #define EX_FLAG_CLEAR_AX EX_DATA_FLAG(1) 26 #define EX_FLAG_CLEAR_DX EX_DATA_FLAG(2) 27 #define EX_FLAG_CLEAR_AX_DX EX_DATA_FLAG(3) 28 29 /* types */ 30 #define EX_TYPE_NONE 0 31 #define EX_TYPE_DEFAULT 1 32 #define EX_TYPE_FAULT 2 33 #define EX_TYPE_UACCESS 3 34 /* unused, was: #define EX_TYPE_COPY 4 */ 35 #define EX_TYPE_CLEAR_FS 5 36 #define EX_TYPE_FPU_RESTORE 6 37 #define EX_TYPE_BPF 7 38 #define EX_TYPE_WRMSR 8 39 #define EX_TYPE_RDMSR 9 40 #define EX_TYPE_WRMSR_SAFE 10 /* reg := -EIO */ 41 #define EX_TYPE_RDMSR_SAFE 11 /* reg := -EIO */ 42 #define EX_TYPE_WRMSR_IN_MCE 12 43 #define EX_TYPE_RDMSR_IN_MCE 13 44 #define EX_TYPE_DEFAULT_MCE_SAFE 14 45 #define EX_TYPE_FAULT_MCE_SAFE 15 46 47 #define EX_TYPE_POP_REG 16 /* sp += sizeof(long) */ 48 #define EX_TYPE_POP_ZERO (EX_TYPE_POP_REG | EX_DATA_IMM(0)) 49 50 #define EX_TYPE_IMM_REG 17 /* reg := (long)imm */ 51 #define EX_TYPE_EFAULT_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(-EFAULT)) 52 #define EX_TYPE_ZERO_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(0)) 53 #define EX_TYPE_ONE_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(1)) 54 55 #define EX_TYPE_FAULT_SGX 18 56 57 #define EX_TYPE_UCOPY_LEN 19 /* cx := reg + imm*cx */ 58 #define EX_TYPE_UCOPY_LEN1 (EX_TYPE_UCOPY_LEN | EX_DATA_IMM(1)) 59 #define EX_TYPE_UCOPY_LEN4 (EX_TYPE_UCOPY_LEN | EX_DATA_IMM(4)) 60 #define EX_TYPE_UCOPY_LEN8 (EX_TYPE_UCOPY_LEN | EX_DATA_IMM(8)) 61 62 #define EX_TYPE_ZEROPAD 20 /* longword load with zeropad on fault */ 63 64 #define EX_TYPE_ERETU 21 65 66 #endif 67