| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_X86_EXTABLE_FIXUP_TYPES_H |
| #define _ASM_X86_EXTABLE_FIXUP_TYPES_H |
| |
| /* |
| * Our IMM is signed, as such it must live at the top end of the word. Also, |
| * since C99 hex constants are of ambiguous type, force cast the mask to 'int' |
| * so that FIELD_GET() will DTRT and sign extend the value when it extracts it. |
| */ |
| #define EX_DATA_TYPE_MASK ((int)0x000000FF) |
| #define EX_DATA_REG_MASK ((int)0x00000F00) |
| #define EX_DATA_FLAG_MASK ((int)0x0000F000) |
| #define EX_DATA_IMM_MASK ((int)0xFFFF0000) |
| |
| #define EX_DATA_REG_SHIFT 8 |
| #define EX_DATA_FLAG_SHIFT 12 |
| #define EX_DATA_IMM_SHIFT 16 |
| |
| #define EX_DATA_REG(reg) ((reg) << EX_DATA_REG_SHIFT) |
| #define EX_DATA_FLAG(flag) ((flag) << EX_DATA_FLAG_SHIFT) |
| #define EX_DATA_IMM(imm) ((imm) << EX_DATA_IMM_SHIFT) |
| |
| /* segment regs */ |
| #define EX_REG_DS EX_DATA_REG(8) |
| #define EX_REG_ES EX_DATA_REG(9) |
| #define EX_REG_FS EX_DATA_REG(10) |
| #define EX_REG_GS EX_DATA_REG(11) |
| |
| /* flags */ |
| #define EX_FLAG_CLEAR_AX EX_DATA_FLAG(1) |
| #define EX_FLAG_CLEAR_DX EX_DATA_FLAG(2) |
| #define EX_FLAG_CLEAR_AX_DX EX_DATA_FLAG(3) |
| |
| /* types */ |
| #define EX_TYPE_NONE 0 |
| #define EX_TYPE_DEFAULT 1 |
| #define EX_TYPE_FAULT 2 |
| #define EX_TYPE_UACCESS 3 |
| #define EX_TYPE_COPY 4 |
| #define EX_TYPE_CLEAR_FS 5 |
| #define EX_TYPE_FPU_RESTORE 6 |
| #define EX_TYPE_BPF 7 |
| #define EX_TYPE_WRMSR 8 |
| #define EX_TYPE_RDMSR 9 |
| #define EX_TYPE_WRMSR_SAFE 10 /* reg := -EIO */ |
| #define EX_TYPE_RDMSR_SAFE 11 /* reg := -EIO */ |
| #define EX_TYPE_WRMSR_IN_MCE 12 |
| #define EX_TYPE_RDMSR_IN_MCE 13 |
| #define EX_TYPE_DEFAULT_MCE_SAFE 14 |
| #define EX_TYPE_FAULT_MCE_SAFE 15 |
| |
| #define EX_TYPE_POP_REG 16 /* sp += sizeof(long) */ |
| #define EX_TYPE_POP_ZERO (EX_TYPE_POP_REG | EX_DATA_IMM(0)) |
| |
| #define EX_TYPE_IMM_REG 17 /* reg := (long)imm */ |
| #define EX_TYPE_EFAULT_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(-EFAULT)) |
| #define EX_TYPE_ZERO_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(0)) |
| #define EX_TYPE_ONE_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(1)) |
| |
| #define EX_TYPE_FAULT_SGX 18 |
| |
| #define EX_TYPE_UCOPY_LEN 19 /* cx := reg + imm*cx */ |
| #define EX_TYPE_UCOPY_LEN1 (EX_TYPE_UCOPY_LEN | EX_DATA_IMM(1)) |
| #define EX_TYPE_UCOPY_LEN4 (EX_TYPE_UCOPY_LEN | EX_DATA_IMM(4)) |
| #define EX_TYPE_UCOPY_LEN8 (EX_TYPE_UCOPY_LEN | EX_DATA_IMM(8)) |
| |
| #define EX_TYPE_ZEROPAD 20 /* longword load with zeropad on fault */ |
| |
| #endif |