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 /* 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. 9 */ 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) 14 15 #define EX_DATA_REG_SHIFT 8 16 #define EX_DATA_FLAG_SHIFT 12 17 #define EX_DATA_IMM_SHIFT 16 18 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) 22 23 /* segment regs */ 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) 28 29 /* flags */ 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) 33 34 /* types */ 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 42 #define EX_TYPE_BPF 7 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 51 52 #define EX_TYPE_POP_REG 16 /* sp += sizeof(long) */ 53 #define EX_TYPE_POP_ZERO (EX_TYPE_POP_REG | EX_DATA_IMM(0)) 54 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)) 59 60 #define EX_TYPE_FAULT_SGX 18 61 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)) 66 67 #define EX_TYPE_ZEROPAD 20 /* longword load with zeropad on fault */ 68 69 #endif 70