diff options
Diffstat (limited to 'target/i386/hvf/x86_decode.c')
-rw-r--r-- | target/i386/hvf/x86_decode.c | 2196 |
1 files changed, 0 insertions, 2196 deletions
diff --git a/target/i386/hvf/x86_decode.c b/target/i386/hvf/x86_decode.c deleted file mode 100644 index a4a28f1..0000000 --- a/target/i386/hvf/x86_decode.c +++ /dev/null @@ -1,2196 +0,0 @@ -/* - * Copyright (C) 2016 Veertu Inc, - * Copyright (C) 2017 Google Inc, - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" - -#include "panic.h" -#include "x86_decode.h" -#include "vmx.h" -#include "x86_mmu.h" -#include "x86_descr.h" - -#define OPCODE_ESCAPE 0xf - -static void decode_invalid(CPUX86State *env, struct x86_decode *decode) -{ - printf("%llx: failed to decode instruction ", env->eip); - for (int i = 0; i < decode->opcode_len; i++) { - printf("%x ", decode->opcode[i]); - } - printf("\n"); - VM_PANIC("decoder failed\n"); -} - -uint64_t sign(uint64_t val, int size) -{ - switch (size) { - case 1: - val = (int8_t)val; - break; - case 2: - val = (int16_t)val; - break; - case 4: - val = (int32_t)val; - break; - case 8: - val = (int64_t)val; - break; - default: - VM_PANIC_EX("%s invalid size %d\n", __func__, size); - break; - } - return val; -} - -static inline uint64_t decode_bytes(CPUX86State *env, struct x86_decode *decode, - int size) -{ - target_ulong val = 0; - - switch (size) { - case 1: - case 2: - case 4: - case 8: - break; - default: - VM_PANIC_EX("%s invalid size %d\n", __func__, size); - break; - } - target_ulong va = linear_rip(env_cpu(env), env->eip) + decode->len; - vmx_read_mem(env_cpu(env), &val, va, size); - decode->len += size; - - return val; -} - -static inline uint8_t decode_byte(CPUX86State *env, struct x86_decode *decode) -{ - return (uint8_t)decode_bytes(env, decode, 1); -} - -static inline uint16_t decode_word(CPUX86State *env, struct x86_decode *decode) -{ - return (uint16_t)decode_bytes(env, decode, 2); -} - -static inline uint32_t decode_dword(CPUX86State *env, struct x86_decode *decode) -{ - return (uint32_t)decode_bytes(env, decode, 4); -} - -static inline uint64_t decode_qword(CPUX86State *env, struct x86_decode *decode) -{ - return decode_bytes(env, decode, 8); -} - -static void decode_modrm_rm(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - op->type = X86_VAR_RM; -} - -static void decode_modrm_reg(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - op->type = X86_VAR_REG; - op->reg = decode->modrm.reg; - op->ptr = get_reg_ref(env, op->reg, decode->rex.rex, decode->rex.r, - decode->operand_size); -} - -static void decode_rax(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - op->type = X86_VAR_REG; - op->reg = R_EAX; - /* Since reg is always AX, REX prefix has no impact. */ - op->ptr = get_reg_ref(env, op->reg, false, 0, - decode->operand_size); -} - -static inline void decode_immediate(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *var, int size) -{ - var->type = X86_VAR_IMMEDIATE; - var->size = size; - switch (size) { - case 1: - var->val = decode_byte(env, decode); - break; - case 2: - var->val = decode_word(env, decode); - break; - case 4: - var->val = decode_dword(env, decode); - break; - case 8: - var->val = decode_qword(env, decode); - break; - default: - VM_PANIC_EX("bad size %d\n", size); - } -} - -static void decode_imm8(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - decode_immediate(env, decode, op, 1); - op->type = X86_VAR_IMMEDIATE; -} - -static void decode_imm8_signed(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - decode_immediate(env, decode, op, 1); - op->val = sign(op->val, 1); - op->type = X86_VAR_IMMEDIATE; -} - -static void decode_imm16(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - decode_immediate(env, decode, op, 2); - op->type = X86_VAR_IMMEDIATE; -} - - -static void decode_imm(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - if (8 == decode->operand_size) { - decode_immediate(env, decode, op, 4); - op->val = sign(op->val, decode->operand_size); - } else { - decode_immediate(env, decode, op, decode->operand_size); - } - op->type = X86_VAR_IMMEDIATE; -} - -static void decode_imm_signed(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - decode_immediate(env, decode, op, decode->operand_size); - op->val = sign(op->val, decode->operand_size); - op->type = X86_VAR_IMMEDIATE; -} - -static void decode_imm_1(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - op->type = X86_VAR_IMMEDIATE; - op->val = 1; -} - -static void decode_imm_0(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - op->type = X86_VAR_IMMEDIATE; - op->val = 0; -} - - -static void decode_pushseg(CPUX86State *env, struct x86_decode *decode) -{ - uint8_t op = (decode->opcode_len > 1) ? decode->opcode[1] : decode->opcode[0]; - - decode->op[0].type = X86_VAR_REG; - switch (op) { - case 0xe: - decode->op[0].reg = R_CS; - break; - case 0x16: - decode->op[0].reg = R_SS; - break; - case 0x1e: - decode->op[0].reg = R_DS; - break; - case 0x06: - decode->op[0].reg = R_ES; - break; - case 0xa0: - decode->op[0].reg = R_FS; - break; - case 0xa8: - decode->op[0].reg = R_GS; - break; - } -} - -static void decode_popseg(CPUX86State *env, struct x86_decode *decode) -{ - uint8_t op = (decode->opcode_len > 1) ? decode->opcode[1] : decode->opcode[0]; - - decode->op[0].type = X86_VAR_REG; - switch (op) { - case 0xf: - decode->op[0].reg = R_CS; - break; - case 0x17: - decode->op[0].reg = R_SS; - break; - case 0x1f: - decode->op[0].reg = R_DS; - break; - case 0x07: - decode->op[0].reg = R_ES; - break; - case 0xa1: - decode->op[0].reg = R_FS; - break; - case 0xa9: - decode->op[0].reg = R_GS; - break; - } -} - -static void decode_incgroup(CPUX86State *env, struct x86_decode *decode) -{ - decode->op[0].type = X86_VAR_REG; - decode->op[0].reg = decode->opcode[0] - 0x40; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, - decode->rex.b, decode->operand_size); -} - -static void decode_decgroup(CPUX86State *env, struct x86_decode *decode) -{ - decode->op[0].type = X86_VAR_REG; - decode->op[0].reg = decode->opcode[0] - 0x48; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, - decode->rex.b, decode->operand_size); -} - -static void decode_incgroup2(CPUX86State *env, struct x86_decode *decode) -{ - if (!decode->modrm.reg) { - decode->cmd = X86_DECODE_CMD_INC; - } else if (1 == decode->modrm.reg) { - decode->cmd = X86_DECODE_CMD_DEC; - } -} - -static void decode_pushgroup(CPUX86State *env, struct x86_decode *decode) -{ - decode->op[0].type = X86_VAR_REG; - decode->op[0].reg = decode->opcode[0] - 0x50; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, - decode->rex.b, decode->operand_size); -} - -static void decode_popgroup(CPUX86State *env, struct x86_decode *decode) -{ - decode->op[0].type = X86_VAR_REG; - decode->op[0].reg = decode->opcode[0] - 0x58; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, - decode->rex.b, decode->operand_size); -} - -static void decode_jxx(CPUX86State *env, struct x86_decode *decode) -{ - decode->displacement = decode_bytes(env, decode, decode->operand_size); - decode->displacement_size = decode->operand_size; -} - -static void decode_farjmp(CPUX86State *env, struct x86_decode *decode) -{ - decode->op[0].type = X86_VAR_IMMEDIATE; - decode->op[0].val = decode_bytes(env, decode, decode->operand_size); - decode->displacement = decode_word(env, decode); -} - -static void decode_addgroup(CPUX86State *env, struct x86_decode *decode) -{ - enum x86_decode_cmd group[] = { - X86_DECODE_CMD_ADD, - X86_DECODE_CMD_OR, - X86_DECODE_CMD_ADC, - X86_DECODE_CMD_SBB, - X86_DECODE_CMD_AND, - X86_DECODE_CMD_SUB, - X86_DECODE_CMD_XOR, - X86_DECODE_CMD_CMP - }; - decode->cmd = group[decode->modrm.reg]; -} - -static void decode_rotgroup(CPUX86State *env, struct x86_decode *decode) -{ - enum x86_decode_cmd group[] = { - X86_DECODE_CMD_ROL, - X86_DECODE_CMD_ROR, - X86_DECODE_CMD_RCL, - X86_DECODE_CMD_RCR, - X86_DECODE_CMD_SHL, - X86_DECODE_CMD_SHR, - X86_DECODE_CMD_SHL, - X86_DECODE_CMD_SAR - }; - decode->cmd = group[decode->modrm.reg]; -} - -static void decode_f7group(CPUX86State *env, struct x86_decode *decode) -{ - enum x86_decode_cmd group[] = { - X86_DECODE_CMD_TST, - X86_DECODE_CMD_TST, - X86_DECODE_CMD_NOT, - X86_DECODE_CMD_NEG, - X86_DECODE_CMD_MUL, - X86_DECODE_CMD_IMUL_1, - X86_DECODE_CMD_DIV, - X86_DECODE_CMD_IDIV - }; - decode->cmd = group[decode->modrm.reg]; - decode_modrm_rm(env, decode, &decode->op[0]); - - switch (decode->modrm.reg) { - case 0: - case 1: - decode_imm(env, decode, &decode->op[1]); - break; - case 2: - break; - case 3: - decode->op[1].type = X86_VAR_IMMEDIATE; - decode->op[1].val = 0; - break; - default: - break; - } -} - -static void decode_xchgroup(CPUX86State *env, struct x86_decode *decode) -{ - decode->op[0].type = X86_VAR_REG; - decode->op[0].reg = decode->opcode[0] - 0x90; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, - decode->rex.b, decode->operand_size); -} - -static void decode_movgroup(CPUX86State *env, struct x86_decode *decode) -{ - decode->op[0].type = X86_VAR_REG; - decode->op[0].reg = decode->opcode[0] - 0xb8; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, - decode->rex.b, decode->operand_size); - decode_immediate(env, decode, &decode->op[1], decode->operand_size); -} - -static void fetch_moffs(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - op->type = X86_VAR_OFFSET; - op->ptr = decode_bytes(env, decode, decode->addressing_size); -} - -static void decode_movgroup8(CPUX86State *env, struct x86_decode *decode) -{ - decode->op[0].type = X86_VAR_REG; - decode->op[0].reg = decode->opcode[0] - 0xb0; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, - decode->rex.b, decode->operand_size); - decode_immediate(env, decode, &decode->op[1], decode->operand_size); -} - -static void decode_rcx(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - op->type = X86_VAR_REG; - op->reg = R_ECX; - op->ptr = get_reg_ref(env, op->reg, decode->rex.rex, decode->rex.b, - decode->operand_size); -} - -struct decode_tbl { - uint8_t opcode; - enum x86_decode_cmd cmd; - uint8_t operand_size; - bool is_modrm; - void (*decode_op1)(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op1); - void (*decode_op2)(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op2); - void (*decode_op3)(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op3); - void (*decode_op4)(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op4); - void (*decode_postfix)(CPUX86State *env, struct x86_decode *decode); - uint32_t flags_mask; -}; - -struct decode_x87_tbl { - uint8_t opcode; - uint8_t modrm_reg; - uint8_t modrm_mod; - enum x86_decode_cmd cmd; - uint8_t operand_size; - bool rev; - bool pop; - void (*decode_op1)(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op1); - void (*decode_op2)(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op2); - void (*decode_postfix)(CPUX86State *env, struct x86_decode *decode); - uint32_t flags_mask; -}; - -struct decode_tbl invl_inst = {0x0, 0, 0, false, NULL, NULL, NULL, NULL, - decode_invalid}; - -struct decode_tbl _decode_tbl1[256]; -struct decode_tbl _decode_tbl2[256]; -struct decode_x87_tbl _decode_tbl3[256]; - -static void decode_x87_ins(CPUX86State *env, struct x86_decode *decode) -{ - struct decode_x87_tbl *decoder; - - decode->is_fpu = true; - int mode = decode->modrm.mod == 3 ? 1 : 0; - int index = ((decode->opcode[0] & 0xf) << 4) | (mode << 3) | - decode->modrm.reg; - - decoder = &_decode_tbl3[index]; - - decode->cmd = decoder->cmd; - if (decoder->operand_size) { - decode->operand_size = decoder->operand_size; - } - decode->flags_mask = decoder->flags_mask; - decode->fpop_stack = decoder->pop; - decode->frev = decoder->rev; - - if (decoder->decode_op1) { - decoder->decode_op1(env, decode, &decode->op[0]); - } - if (decoder->decode_op2) { - decoder->decode_op2(env, decode, &decode->op[1]); - } - if (decoder->decode_postfix) { - decoder->decode_postfix(env, decode); - } - - VM_PANIC_ON_EX(!decode->cmd, "x87 opcode %x %x (%x %x) not decoded\n", - decode->opcode[0], decode->modrm.modrm, decoder->modrm_reg, - decoder->modrm_mod); -} - -static void decode_ffgroup(CPUX86State *env, struct x86_decode *decode) -{ - enum x86_decode_cmd group[] = { - X86_DECODE_CMD_INC, - X86_DECODE_CMD_DEC, - X86_DECODE_CMD_CALL_NEAR_ABS_INDIRECT, - X86_DECODE_CMD_CALL_FAR_ABS_INDIRECT, - X86_DECODE_CMD_JMP_NEAR_ABS_INDIRECT, - X86_DECODE_CMD_JMP_FAR_ABS_INDIRECT, - X86_DECODE_CMD_PUSH, - X86_DECODE_CMD_INVL, - X86_DECODE_CMD_INVL - }; - decode->cmd = group[decode->modrm.reg]; - if (decode->modrm.reg > 2) { - decode->flags_mask = 0; - } -} - -static void decode_sldtgroup(CPUX86State *env, struct x86_decode *decode) -{ - - enum x86_decode_cmd group[] = { - X86_DECODE_CMD_SLDT, - X86_DECODE_CMD_STR, - X86_DECODE_CMD_LLDT, - X86_DECODE_CMD_LTR, - X86_DECODE_CMD_VERR, - X86_DECODE_CMD_VERW, - X86_DECODE_CMD_INVL, - X86_DECODE_CMD_INVL - }; - decode->cmd = group[decode->modrm.reg]; -} - -static void decode_lidtgroup(CPUX86State *env, struct x86_decode *decode) -{ - enum x86_decode_cmd group[] = { - X86_DECODE_CMD_SGDT, - X86_DECODE_CMD_SIDT, - X86_DECODE_CMD_LGDT, - X86_DECODE_CMD_LIDT, - X86_DECODE_CMD_SMSW, - X86_DECODE_CMD_LMSW, - X86_DECODE_CMD_LMSW, - X86_DECODE_CMD_INVLPG - }; - decode->cmd = group[decode->modrm.reg]; - if (0xf9 == decode->modrm.modrm) { - decode->opcode[decode->len++] = decode->modrm.modrm; - decode->cmd = X86_DECODE_CMD_RDTSCP; - } -} - -static void decode_btgroup(CPUX86State *env, struct x86_decode *decode) -{ - enum x86_decode_cmd group[] = { - X86_DECODE_CMD_INVL, - X86_DECODE_CMD_INVL, - X86_DECODE_CMD_INVL, - X86_DECODE_CMD_INVL, - X86_DECODE_CMD_BT, - X86_DECODE_CMD_BTS, - X86_DECODE_CMD_BTR, - X86_DECODE_CMD_BTC - }; - decode->cmd = group[decode->modrm.reg]; -} - -static void decode_x87_general(CPUX86State *env, struct x86_decode *decode) -{ - decode->is_fpu = true; -} - -static void decode_x87_modrm_floatp(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - op->type = X87_VAR_FLOATP; -} - -static void decode_x87_modrm_intp(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - op->type = X87_VAR_INTP; -} - -static void decode_x87_modrm_bytep(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - op->type = X87_VAR_BYTEP; -} - -static void decode_x87_modrm_st0(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - op->type = X87_VAR_REG; - op->reg = 0; -} - -static void decode_decode_x87_modrm_st0(CPUX86State *env, - struct x86_decode *decode, - struct x86_decode_op *op) -{ - op->type = X87_VAR_REG; - op->reg = decode->modrm.modrm & 7; -} - - -static void decode_aegroup(CPUX86State *env, struct x86_decode *decode) -{ - decode->is_fpu = true; - switch (decode->modrm.reg) { - case 0: - decode->cmd = X86_DECODE_CMD_FXSAVE; - decode_x87_modrm_bytep(env, decode, &decode->op[0]); - break; - case 1: - decode_x87_modrm_bytep(env, decode, &decode->op[0]); - decode->cmd = X86_DECODE_CMD_FXRSTOR; - break; - case 5: - if (decode->modrm.modrm == 0xe8) { - decode->cmd = X86_DECODE_CMD_LFENCE; - } else { - VM_PANIC("xrstor"); - } - break; - case 6: - VM_PANIC_ON(decode->modrm.modrm != 0xf0); - decode->cmd = X86_DECODE_CMD_MFENCE; - break; - case 7: - if (decode->modrm.modrm == 0xf8) { - decode->cmd = X86_DECODE_CMD_SFENCE; - } else { - decode->cmd = X86_DECODE_CMD_CLFLUSH; - } - break; - default: - VM_PANIC_EX("0xae: reg %d\n", decode->modrm.reg); - break; - } -} - -static void decode_bswap(CPUX86State *env, struct x86_decode *decode) -{ - decode->op[0].type = X86_VAR_REG; - decode->op[0].reg = decode->opcode[1] - 0xc8; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, - decode->rex.b, decode->operand_size); -} - -static void decode_d9_4(CPUX86State *env, struct x86_decode *decode) -{ - switch (decode->modrm.modrm) { - case 0xe0: - /* FCHS */ - decode->cmd = X86_DECODE_CMD_FCHS; - break; - case 0xe1: - decode->cmd = X86_DECODE_CMD_FABS; - break; - case 0xe4: - VM_PANIC("FTST"); - break; - case 0xe5: - /* FXAM */ - decode->cmd = X86_DECODE_CMD_FXAM; - break; - default: - VM_PANIC("FLDENV"); - break; - } -} - -static void decode_db_4(CPUX86State *env, struct x86_decode *decode) -{ - switch (decode->modrm.modrm) { - case 0xe0: - VM_PANIC_EX("unhandled FNENI: %x %x\n", decode->opcode[0], - decode->modrm.modrm); - break; - case 0xe1: - VM_PANIC_EX("unhandled FNDISI: %x %x\n", decode->opcode[0], - decode->modrm.modrm); - break; - case 0xe2: - VM_PANIC_EX("unhandled FCLEX: %x %x\n", decode->opcode[0], - decode->modrm.modrm); - break; - case 0xe3: - decode->cmd = X86_DECODE_CMD_FNINIT; - break; - case 0xe4: - decode->cmd = X86_DECODE_CMD_FNSETPM; - break; - default: - VM_PANIC_EX("unhandled fpu opcode: %x %x\n", decode->opcode[0], - decode->modrm.modrm); - break; - } -} - - -#define RFLAGS_MASK_NONE 0 -#define RFLAGS_MASK_OSZAPC (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C) -#define RFLAGS_MASK_LAHF (CC_S | CC_Z | CC_A | CC_P | CC_C) -#define RFLAGS_MASK_CF (CC_C) -#define RFLAGS_MASK_IF (IF_MASK) -#define RFLAGS_MASK_TF (TF_MASK) -#define RFLAGS_MASK_DF (DF_MASK) -#define RFLAGS_MASK_ZF (CC_Z) - -struct decode_tbl _1op_inst[] = { - {0x0, X86_DECODE_CMD_ADD, 1, true, decode_modrm_rm, decode_modrm_reg, NULL, - NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x1, X86_DECODE_CMD_ADD, 0, true, decode_modrm_rm, decode_modrm_reg, NULL, - NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x2, X86_DECODE_CMD_ADD, 1, true, decode_modrm_reg, decode_modrm_rm, NULL, - NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x3, X86_DECODE_CMD_ADD, 0, true, decode_modrm_reg, decode_modrm_rm, NULL, - NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x4, X86_DECODE_CMD_ADD, 1, false, decode_rax, decode_imm8, NULL, NULL, - NULL, RFLAGS_MASK_OSZAPC}, - {0x5, X86_DECODE_CMD_ADD, 0, false, decode_rax, decode_imm, NULL, NULL, - NULL, RFLAGS_MASK_OSZAPC}, - {0x6, X86_DECODE_CMD_PUSH_SEG, 0, false, false, NULL, NULL, NULL, - decode_pushseg, RFLAGS_MASK_NONE}, - {0x7, X86_DECODE_CMD_POP_SEG, 0, false, false, NULL, NULL, NULL, - decode_popseg, RFLAGS_MASK_NONE}, - {0x8, X86_DECODE_CMD_OR, 1, true, decode_modrm_rm, decode_modrm_reg, NULL, - NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x9, X86_DECODE_CMD_OR, 0, true, decode_modrm_rm, decode_modrm_reg, NULL, - NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xa, X86_DECODE_CMD_OR, 1, true, decode_modrm_reg, decode_modrm_rm, NULL, - NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xb, X86_DECODE_CMD_OR, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xc, X86_DECODE_CMD_OR, 1, false, decode_rax, decode_imm8, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xd, X86_DECODE_CMD_OR, 0, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0xe, X86_DECODE_CMD_PUSH_SEG, 0, false, false, - NULL, NULL, NULL, decode_pushseg, RFLAGS_MASK_NONE}, - {0xf, X86_DECODE_CMD_POP_SEG, 0, false, false, - NULL, NULL, NULL, decode_popseg, RFLAGS_MASK_NONE}, - - {0x10, X86_DECODE_CMD_ADC, 1, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x11, X86_DECODE_CMD_ADC, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x12, X86_DECODE_CMD_ADC, 1, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x13, X86_DECODE_CMD_ADC, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x14, X86_DECODE_CMD_ADC, 1, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x15, X86_DECODE_CMD_ADC, 0, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0x16, X86_DECODE_CMD_PUSH_SEG, 0, false, false, - NULL, NULL, NULL, decode_pushseg, RFLAGS_MASK_NONE}, - {0x17, X86_DECODE_CMD_POP_SEG, 0, false, false, - NULL, NULL, NULL, decode_popseg, RFLAGS_MASK_NONE}, - - {0x18, X86_DECODE_CMD_SBB, 1, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x19, X86_DECODE_CMD_SBB, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x1a, X86_DECODE_CMD_SBB, 1, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x1b, X86_DECODE_CMD_SBB, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x1c, X86_DECODE_CMD_SBB, 1, false, decode_rax, decode_imm8, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x1d, X86_DECODE_CMD_SBB, 0, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0x1e, X86_DECODE_CMD_PUSH_SEG, 0, false, false, - NULL, NULL, NULL, decode_pushseg, RFLAGS_MASK_NONE}, - {0x1f, X86_DECODE_CMD_POP_SEG, 0, false, false, - NULL, NULL, NULL, decode_popseg, RFLAGS_MASK_NONE}, - - {0x20, X86_DECODE_CMD_AND, 1, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x21, X86_DECODE_CMD_AND, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x22, X86_DECODE_CMD_AND, 1, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x23, X86_DECODE_CMD_AND, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x24, X86_DECODE_CMD_AND, 1, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x25, X86_DECODE_CMD_AND, 0, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x28, X86_DECODE_CMD_SUB, 1, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x29, X86_DECODE_CMD_SUB, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x2a, X86_DECODE_CMD_SUB, 1, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x2b, X86_DECODE_CMD_SUB, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x2c, X86_DECODE_CMD_SUB, 1, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x2d, X86_DECODE_CMD_SUB, 0, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x2f, X86_DECODE_CMD_DAS, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x30, X86_DECODE_CMD_XOR, 1, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x31, X86_DECODE_CMD_XOR, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x32, X86_DECODE_CMD_XOR, 1, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x33, X86_DECODE_CMD_XOR, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x34, X86_DECODE_CMD_XOR, 1, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x35, X86_DECODE_CMD_XOR, 0, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0x38, X86_DECODE_CMD_CMP, 1, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x39, X86_DECODE_CMD_CMP, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x3a, X86_DECODE_CMD_CMP, 1, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x3b, X86_DECODE_CMD_CMP, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x3c, X86_DECODE_CMD_CMP, 1, false, decode_rax, decode_imm8, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x3d, X86_DECODE_CMD_CMP, 0, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0x3f, X86_DECODE_CMD_AAS, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0x40, X86_DECODE_CMD_INC, 0, false, - NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC}, - {0x41, X86_DECODE_CMD_INC, 0, false, - NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC}, - {0x42, X86_DECODE_CMD_INC, 0, false, - NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC}, - {0x43, X86_DECODE_CMD_INC, 0, false, - NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC}, - {0x44, X86_DECODE_CMD_INC, 0, false, - NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC}, - {0x45, X86_DECODE_CMD_INC, 0, false, - NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC}, - {0x46, X86_DECODE_CMD_INC, 0, false, - NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC}, - {0x47, X86_DECODE_CMD_INC, 0, false, - NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC}, - - {0x48, X86_DECODE_CMD_DEC, 0, false, - NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC}, - {0x49, X86_DECODE_CMD_DEC, 0, false, - NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC}, - {0x4a, X86_DECODE_CMD_DEC, 0, false, - NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC}, - {0x4b, X86_DECODE_CMD_DEC, 0, false, - NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC}, - {0x4c, X86_DECODE_CMD_DEC, 0, false, - NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC}, - {0x4d, X86_DECODE_CMD_DEC, 0, false, - NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC}, - {0x4e, X86_DECODE_CMD_DEC, 0, false, - NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC}, - {0x4f, X86_DECODE_CMD_DEC, 0, false, - NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC}, - - {0x50, X86_DECODE_CMD_PUSH, 0, false, - NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE}, - {0x51, X86_DECODE_CMD_PUSH, 0, false, - NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE}, - {0x52, X86_DECODE_CMD_PUSH, 0, false, - NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE}, - {0x53, X86_DECODE_CMD_PUSH, 0, false, - NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE}, - {0x54, X86_DECODE_CMD_PUSH, 0, false, - NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE}, - {0x55, X86_DECODE_CMD_PUSH, 0, false, - NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE}, - {0x56, X86_DECODE_CMD_PUSH, 0, false, - NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE}, - {0x57, X86_DECODE_CMD_PUSH, 0, false, - NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE}, - - {0x58, X86_DECODE_CMD_POP, 0, false, - NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE}, - {0x59, X86_DECODE_CMD_POP, 0, false, - NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE}, - {0x5a, X86_DECODE_CMD_POP, 0, false, - NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE}, - {0x5b, X86_DECODE_CMD_POP, 0, false, - NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE}, - {0x5c, X86_DECODE_CMD_POP, 0, false, - NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE}, - {0x5d, X86_DECODE_CMD_POP, 0, false, - NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE}, - {0x5e, X86_DECODE_CMD_POP, 0, false, - NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE}, - {0x5f, X86_DECODE_CMD_POP, 0, false, - NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE}, - - {0x60, X86_DECODE_CMD_PUSHA, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x61, X86_DECODE_CMD_POPA, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0x68, X86_DECODE_CMD_PUSH, 0, false, decode_imm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x6a, X86_DECODE_CMD_PUSH, 0, false, decode_imm8_signed, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x69, X86_DECODE_CMD_IMUL_3, 0, true, decode_modrm_reg, - decode_modrm_rm, decode_imm, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x6b, X86_DECODE_CMD_IMUL_3, 0, true, decode_modrm_reg, decode_modrm_rm, - decode_imm8_signed, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0x6c, X86_DECODE_CMD_INS, 1, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x6d, X86_DECODE_CMD_INS, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x6e, X86_DECODE_CMD_OUTS, 1, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x6f, X86_DECODE_CMD_OUTS, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0x70, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x71, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x72, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x73, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x74, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x75, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x76, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x77, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x78, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x79, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x7a, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x7b, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x7c, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x7d, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x7e, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x7f, X86_DECODE_CMD_JXX, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - - {0x80, X86_DECODE_CMD_INVL, 1, true, decode_modrm_rm, decode_imm8, - NULL, NULL, decode_addgroup, RFLAGS_MASK_OSZAPC}, - {0x81, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, decode_imm, - NULL, NULL, decode_addgroup, RFLAGS_MASK_OSZAPC}, - {0x82, X86_DECODE_CMD_INVL, 1, true, decode_modrm_rm, decode_imm8, - NULL, NULL, decode_addgroup, RFLAGS_MASK_OSZAPC}, - {0x83, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, decode_imm8_signed, - NULL, NULL, decode_addgroup, RFLAGS_MASK_OSZAPC}, - {0x84, X86_DECODE_CMD_TST, 1, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x85, X86_DECODE_CMD_TST, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0x86, X86_DECODE_CMD_XCHG, 1, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x87, X86_DECODE_CMD_XCHG, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x88, X86_DECODE_CMD_MOV, 1, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x89, X86_DECODE_CMD_MOV, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x8a, X86_DECODE_CMD_MOV, 1, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x8b, X86_DECODE_CMD_MOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x8c, X86_DECODE_CMD_MOV_FROM_SEG, 0, true, decode_modrm_rm, - decode_modrm_reg, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x8d, X86_DECODE_CMD_LEA, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x8e, X86_DECODE_CMD_MOV_TO_SEG, 0, true, decode_modrm_reg, - decode_modrm_rm, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x8f, X86_DECODE_CMD_POP, 0, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0x90, X86_DECODE_CMD_NOP, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x91, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax, - NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE}, - {0x92, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax, - NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE}, - {0x93, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax, - NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE}, - {0x94, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax, - NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE}, - {0x95, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax, - NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE}, - {0x96, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax, - NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE}, - {0x97, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax, - NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE}, - - {0x98, X86_DECODE_CMD_CBW, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x99, X86_DECODE_CMD_CWD, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0x9a, X86_DECODE_CMD_CALL_FAR, 0, false, NULL, - NULL, NULL, NULL, decode_farjmp, RFLAGS_MASK_NONE}, - - {0x9c, X86_DECODE_CMD_PUSHF, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - /*{0x9d, X86_DECODE_CMD_POPF, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_POPF},*/ - {0x9e, X86_DECODE_CMD_SAHF, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x9f, X86_DECODE_CMD_LAHF, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_LAHF}, - - {0xa0, X86_DECODE_CMD_MOV, 1, false, decode_rax, fetch_moffs, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xa1, X86_DECODE_CMD_MOV, 0, false, decode_rax, fetch_moffs, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xa2, X86_DECODE_CMD_MOV, 1, false, fetch_moffs, decode_rax, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xa3, X86_DECODE_CMD_MOV, 0, false, fetch_moffs, decode_rax, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xa4, X86_DECODE_CMD_MOVS, 1, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xa5, X86_DECODE_CMD_MOVS, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xa6, X86_DECODE_CMD_CMPS, 1, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xa7, X86_DECODE_CMD_CMPS, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xaa, X86_DECODE_CMD_STOS, 1, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xab, X86_DECODE_CMD_STOS, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xac, X86_DECODE_CMD_LODS, 1, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xad, X86_DECODE_CMD_LODS, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xae, X86_DECODE_CMD_SCAS, 1, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xaf, X86_DECODE_CMD_SCAS, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0xa8, X86_DECODE_CMD_TST, 1, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xa9, X86_DECODE_CMD_TST, 0, false, decode_rax, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0xb0, X86_DECODE_CMD_MOV, 1, false, NULL, - NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE}, - {0xb1, X86_DECODE_CMD_MOV, 1, false, NULL, - NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE}, - {0xb2, X86_DECODE_CMD_MOV, 1, false, NULL, - NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE}, - {0xb3, X86_DECODE_CMD_MOV, 1, false, NULL, - NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE}, - {0xb4, X86_DECODE_CMD_MOV, 1, false, NULL, - NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE}, - {0xb5, X86_DECODE_CMD_MOV, 1, false, NULL, - NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE}, - {0xb6, X86_DECODE_CMD_MOV, 1, false, NULL, - NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE}, - {0xb7, X86_DECODE_CMD_MOV, 1, false, NULL, - NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE}, - - {0xb8, X86_DECODE_CMD_MOV, 0, false, NULL, - NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE}, - {0xb9, X86_DECODE_CMD_MOV, 0, false, NULL, - NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE}, - {0xba, X86_DECODE_CMD_MOV, 0, false, NULL, - NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE}, - {0xbb, X86_DECODE_CMD_MOV, 0, false, NULL, - NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE}, - {0xbc, X86_DECODE_CMD_MOV, 0, false, NULL, - NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE}, - {0xbd, X86_DECODE_CMD_MOV, 0, false, NULL, - NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE}, - {0xbe, X86_DECODE_CMD_MOV, 0, false, NULL, - NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE}, - {0xbf, X86_DECODE_CMD_MOV, 0, false, NULL, - NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE}, - - {0xc0, X86_DECODE_CMD_INVL, 1, true, decode_modrm_rm, decode_imm8, - NULL, NULL, decode_rotgroup, RFLAGS_MASK_OSZAPC}, - {0xc1, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, decode_imm8, - NULL, NULL, decode_rotgroup, RFLAGS_MASK_OSZAPC}, - - {0xc2, X86_DECODE_RET_NEAR, 0, false, decode_imm16, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xc3, X86_DECODE_RET_NEAR, 0, false, NULL, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xc4, X86_DECODE_CMD_LES, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xc5, X86_DECODE_CMD_LDS, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xc6, X86_DECODE_CMD_MOV, 1, true, decode_modrm_rm, decode_imm8, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xc7, X86_DECODE_CMD_MOV, 0, true, decode_modrm_rm, decode_imm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xc8, X86_DECODE_CMD_ENTER, 0, false, decode_imm16, decode_imm8, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xc9, X86_DECODE_CMD_LEAVE, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xca, X86_DECODE_RET_FAR, 0, false, decode_imm16, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xcb, X86_DECODE_RET_FAR, 0, false, decode_imm_0, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xcd, X86_DECODE_CMD_INT, 0, false, decode_imm8, NULL, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - /*{0xcf, X86_DECODE_CMD_IRET, 0, false, NULL, NULL, - NULL, NULL, NULL, RFLAGS_MASK_IRET},*/ - - {0xd0, X86_DECODE_CMD_INVL, 1, true, decode_modrm_rm, decode_imm_1, - NULL, NULL, decode_rotgroup, RFLAGS_MASK_OSZAPC}, - {0xd1, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, decode_imm_1, - NULL, NULL, decode_rotgroup, RFLAGS_MASK_OSZAPC}, - {0xd2, X86_DECODE_CMD_INVL, 1, true, decode_modrm_rm, decode_rcx, - NULL, NULL, decode_rotgroup, RFLAGS_MASK_OSZAPC}, - {0xd3, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, decode_rcx, - NULL, NULL, decode_rotgroup, RFLAGS_MASK_OSZAPC}, - - {0xd4, X86_DECODE_CMD_AAM, 0, false, decode_imm8, - NULL, NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xd5, X86_DECODE_CMD_AAD, 0, false, decode_imm8, - NULL, NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0xd7, X86_DECODE_CMD_XLAT, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xd8, X86_DECODE_CMD_INVL, 0, true, NULL, - NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE}, - {0xd9, X86_DECODE_CMD_INVL, 0, true, NULL, - NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE}, - {0xda, X86_DECODE_CMD_INVL, 0, true, NULL, - NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE}, - {0xdb, X86_DECODE_CMD_INVL, 0, true, NULL, - NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE}, - {0xdc, X86_DECODE_CMD_INVL, 0, true, NULL, - NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE}, - {0xdd, X86_DECODE_CMD_INVL, 0, true, NULL, - NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE}, - {0xde, X86_DECODE_CMD_INVL, 0, true, NULL, - NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE}, - {0xdf, X86_DECODE_CMD_INVL, 0, true, NULL, - NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE}, - - {0xe0, X86_DECODE_CMD_LOOP, 0, false, decode_imm8_signed, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xe1, X86_DECODE_CMD_LOOP, 0, false, decode_imm8_signed, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xe2, X86_DECODE_CMD_LOOP, 0, false, decode_imm8_signed, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xe3, X86_DECODE_CMD_JCXZ, 1, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - - {0xe4, X86_DECODE_CMD_IN, 1, false, decode_imm8, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xe5, X86_DECODE_CMD_IN, 0, false, decode_imm8, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xe6, X86_DECODE_CMD_OUT, 1, false, decode_imm8, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xe7, X86_DECODE_CMD_OUT, 0, false, decode_imm8, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xe8, X86_DECODE_CMD_CALL_NEAR, 0, false, decode_imm_signed, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xe9, X86_DECODE_CMD_JMP_NEAR, 0, false, decode_imm_signed, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xea, X86_DECODE_CMD_JMP_FAR, 0, false, - NULL, NULL, NULL, NULL, decode_farjmp, RFLAGS_MASK_NONE}, - {0xeb, X86_DECODE_CMD_JMP_NEAR, 1, false, decode_imm8_signed, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xec, X86_DECODE_CMD_IN, 1, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xed, X86_DECODE_CMD_IN, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xee, X86_DECODE_CMD_OUT, 1, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xef, X86_DECODE_CMD_OUT, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xf4, X86_DECODE_CMD_HLT, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xf5, X86_DECODE_CMD_CMC, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_CF}, - - {0xf6, X86_DECODE_CMD_INVL, 1, true, - NULL, NULL, NULL, NULL, decode_f7group, RFLAGS_MASK_OSZAPC}, - {0xf7, X86_DECODE_CMD_INVL, 0, true, - NULL, NULL, NULL, NULL, decode_f7group, RFLAGS_MASK_OSZAPC}, - - {0xf8, X86_DECODE_CMD_CLC, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_CF}, - {0xf9, X86_DECODE_CMD_STC, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_CF}, - - {0xfa, X86_DECODE_CMD_CLI, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_IF}, - {0xfb, X86_DECODE_CMD_STI, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_IF}, - {0xfc, X86_DECODE_CMD_CLD, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_DF}, - {0xfd, X86_DECODE_CMD_STD, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_DF}, - {0xfe, X86_DECODE_CMD_INVL, 1, true, decode_modrm_rm, - NULL, NULL, NULL, decode_incgroup2, RFLAGS_MASK_OSZAPC}, - {0xff, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, - NULL, NULL, NULL, decode_ffgroup, RFLAGS_MASK_OSZAPC}, -}; - -struct decode_tbl _2op_inst[] = { - {0x0, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, - NULL, NULL, NULL, decode_sldtgroup, RFLAGS_MASK_NONE}, - {0x1, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, - NULL, NULL, NULL, decode_lidtgroup, RFLAGS_MASK_NONE}, - {0x6, X86_DECODE_CMD_CLTS, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_TF}, - {0x9, X86_DECODE_CMD_WBINVD, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x18, X86_DECODE_CMD_PREFETCH, 0, true, - NULL, NULL, NULL, NULL, decode_x87_general, RFLAGS_MASK_NONE}, - {0x1f, X86_DECODE_CMD_NOP, 0, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x20, X86_DECODE_CMD_MOV_FROM_CR, 0, true, decode_modrm_rm, - decode_modrm_reg, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x21, X86_DECODE_CMD_MOV_FROM_DR, 0, true, decode_modrm_rm, - decode_modrm_reg, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x22, X86_DECODE_CMD_MOV_TO_CR, 0, true, decode_modrm_reg, - decode_modrm_rm, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x23, X86_DECODE_CMD_MOV_TO_DR, 0, true, decode_modrm_reg, - decode_modrm_rm, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x30, X86_DECODE_CMD_WRMSR, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x31, X86_DECODE_CMD_RDTSC, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x32, X86_DECODE_CMD_RDMSR, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x40, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x41, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x42, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x43, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x44, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x45, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x46, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x47, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x48, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x49, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x4a, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x4b, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x4c, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x4d, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x4e, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x4f, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x77, X86_DECODE_CMD_EMMS, 0, false, - NULL, NULL, NULL, NULL, decode_x87_general, RFLAGS_MASK_NONE}, - {0x82, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x83, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x84, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x85, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x86, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x87, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x88, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x89, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x8a, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x8b, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x8c, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x8d, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x8e, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x8f, X86_DECODE_CMD_JXX, 0, false, - NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE}, - {0x90, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x91, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x92, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x93, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x94, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x95, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x96, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x97, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x98, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x99, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x9a, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x9b, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x9c, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x9d, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x9e, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0x9f, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xb0, X86_DECODE_CMD_CMPXCHG, 1, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xb1, X86_DECODE_CMD_CMPXCHG, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xb6, X86_DECODE_CMD_MOVZX, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xb7, X86_DECODE_CMD_MOVZX, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xb8, X86_DECODE_CMD_POPCNT, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xbe, X86_DECODE_CMD_MOVSX, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xbf, X86_DECODE_CMD_MOVSX, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xa0, X86_DECODE_CMD_PUSH_SEG, 0, false, false, - NULL, NULL, NULL, decode_pushseg, RFLAGS_MASK_NONE}, - {0xa1, X86_DECODE_CMD_POP_SEG, 0, false, false, - NULL, NULL, NULL, decode_popseg, RFLAGS_MASK_NONE}, - {0xa2, X86_DECODE_CMD_CPUID, 0, false, - NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xa3, X86_DECODE_CMD_BT, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_CF}, - {0xa4, X86_DECODE_CMD_SHLD, 0, true, decode_modrm_rm, decode_modrm_reg, - decode_imm8, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xa5, X86_DECODE_CMD_SHLD, 0, true, decode_modrm_rm, decode_modrm_reg, - decode_rcx, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xa8, X86_DECODE_CMD_PUSH_SEG, 0, false, false, - NULL, NULL, NULL, decode_pushseg, RFLAGS_MASK_NONE}, - {0xa9, X86_DECODE_CMD_POP_SEG, 0, false, false, - NULL, NULL, NULL, decode_popseg, RFLAGS_MASK_NONE}, - {0xab, X86_DECODE_CMD_BTS, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_CF}, - {0xac, X86_DECODE_CMD_SHRD, 0, true, decode_modrm_rm, decode_modrm_reg, - decode_imm8, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xad, X86_DECODE_CMD_SHRD, 0, true, decode_modrm_rm, decode_modrm_reg, - decode_rcx, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0xae, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, - NULL, NULL, NULL, decode_aegroup, RFLAGS_MASK_NONE}, - - {0xaf, X86_DECODE_CMD_IMUL_2, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xb2, X86_DECODE_CMD_LSS, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_NONE}, - {0xb3, X86_DECODE_CMD_BTR, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xba, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, decode_imm8, - NULL, NULL, decode_btgroup, RFLAGS_MASK_OSZAPC}, - {0xbb, X86_DECODE_CMD_BTC, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xbc, X86_DECODE_CMD_BSF, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - {0xbd, X86_DECODE_CMD_BSR, 0, true, decode_modrm_reg, decode_modrm_rm, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0xc1, X86_DECODE_CMD_XADD, 0, true, decode_modrm_rm, decode_modrm_reg, - NULL, NULL, NULL, RFLAGS_MASK_OSZAPC}, - - {0xc7, X86_DECODE_CMD_CMPXCHG8B, 0, true, decode_modrm_rm, - NULL, NULL, NULL, NULL, RFLAGS_MASK_ZF}, - - {0xc8, X86_DECODE_CMD_BSWAP, 0, false, - NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE}, - {0xc9, X86_DECODE_CMD_BSWAP, 0, false, - NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE}, - {0xca, X86_DECODE_CMD_BSWAP, 0, false, - NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE}, - {0xcb, X86_DECODE_CMD_BSWAP, 0, false, - NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE}, - {0xcc, X86_DECODE_CMD_BSWAP, 0, false, - NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE}, - {0xcd, X86_DECODE_CMD_BSWAP, 0, false, - NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE}, - {0xce, X86_DECODE_CMD_BSWAP, 0, false, - NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE}, - {0xcf, X86_DECODE_CMD_BSWAP, 0, false, - NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE}, -}; - -struct decode_x87_tbl invl_inst_x87 = {0x0, 0, 0, 0, 0, false, false, NULL, - NULL, decode_invalid, 0}; - -struct decode_x87_tbl _x87_inst[] = { - {0xd8, 0, 3, X86_DECODE_CMD_FADD, 10, false, false, - decode_x87_modrm_st0, decode_decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xd8, 0, 0, X86_DECODE_CMD_FADD, 4, false, false, decode_x87_modrm_st0, - decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE}, - {0xd8, 1, 3, X86_DECODE_CMD_FMUL, 10, false, false, decode_x87_modrm_st0, - decode_decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xd8, 1, 0, X86_DECODE_CMD_FMUL, 4, false, false, decode_x87_modrm_st0, - decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE}, - {0xd8, 4, 3, X86_DECODE_CMD_FSUB, 10, false, false, decode_x87_modrm_st0, - decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xd8, 4, 0, X86_DECODE_CMD_FSUB, 4, false, false, decode_x87_modrm_st0, - decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE}, - {0xd8, 5, 3, X86_DECODE_CMD_FSUB, 10, true, false, decode_x87_modrm_st0, - decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xd8, 5, 0, X86_DECODE_CMD_FSUB, 4, true, false, decode_x87_modrm_st0, - decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE}, - {0xd8, 6, 3, X86_DECODE_CMD_FDIV, 10, false, false, decode_x87_modrm_st0, - decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xd8, 6, 0, X86_DECODE_CMD_FDIV, 4, false, false, decode_x87_modrm_st0, - decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE}, - {0xd8, 7, 3, X86_DECODE_CMD_FDIV, 10, true, false, decode_x87_modrm_st0, - decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xd8, 7, 0, X86_DECODE_CMD_FDIV, 4, true, false, decode_x87_modrm_st0, - decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE}, - - {0xd9, 0, 3, X86_DECODE_CMD_FLD, 10, false, false, - decode_x87_modrm_st0, NULL, NULL, RFLAGS_MASK_NONE}, - {0xd9, 0, 0, X86_DECODE_CMD_FLD, 4, false, false, - decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xd9, 1, 3, X86_DECODE_CMD_FXCH, 10, false, false, decode_x87_modrm_st0, - decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xd9, 1, 0, X86_DECODE_CMD_INVL, 10, false, false, - decode_x87_modrm_st0, NULL, NULL, RFLAGS_MASK_NONE}, - {0xd9, 2, 3, X86_DECODE_CMD_INVL, 10, false, false, - decode_x87_modrm_st0, NULL, NULL, RFLAGS_MASK_NONE}, - {0xd9, 2, 0, X86_DECODE_CMD_FST, 4, false, false, - decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xd9, 3, 3, X86_DECODE_CMD_INVL, 10, false, false, - decode_x87_modrm_st0, NULL, NULL, RFLAGS_MASK_NONE}, - {0xd9, 3, 0, X86_DECODE_CMD_FST, 4, false, true, - decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xd9, 4, 3, X86_DECODE_CMD_INVL, 10, false, false, - decode_x87_modrm_st0, NULL, decode_d9_4, RFLAGS_MASK_NONE}, - {0xd9, 4, 0, X86_DECODE_CMD_INVL, 4, false, false, - decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE}, - {0xd9, 5, 3, X86_DECODE_CMD_FLDxx, 10, false, false, NULL, NULL, NULL, - RFLAGS_MASK_NONE}, - {0xd9, 5, 0, X86_DECODE_CMD_FLDCW, 2, false, false, - decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xd9, 7, 3, X86_DECODE_CMD_FNSTCW, 2, false, false, - decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE}, - {0xd9, 7, 0, X86_DECODE_CMD_FNSTCW, 2, false, false, - decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xda, 0, 3, X86_DECODE_CMD_FCMOV, 10, false, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xda, 0, 0, X86_DECODE_CMD_FADD, 4, false, false, decode_x87_modrm_st0, - decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE}, - {0xda, 1, 3, X86_DECODE_CMD_FCMOV, 10, false, false, decode_x87_modrm_st0, - decode_decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xda, 1, 0, X86_DECODE_CMD_FMUL, 4, false, false, decode_x87_modrm_st0, - decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE}, - {0xda, 2, 3, X86_DECODE_CMD_FCMOV, 10, false, false, decode_x87_modrm_st0, - decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xda, 3, 3, X86_DECODE_CMD_FCMOV, 10, false, false, decode_x87_modrm_st0, - decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xda, 4, 3, X86_DECODE_CMD_INVL, 10, false, false, NULL, NULL, NULL, - RFLAGS_MASK_NONE}, - {0xda, 4, 0, X86_DECODE_CMD_FSUB, 4, false, false, decode_x87_modrm_st0, - decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE}, - {0xda, 5, 3, X86_DECODE_CMD_FUCOM, 10, false, true, decode_x87_modrm_st0, - decode_decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xda, 5, 0, X86_DECODE_CMD_FSUB, 4, true, false, decode_x87_modrm_st0, - decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE}, - {0xda, 6, 3, X86_DECODE_CMD_INVL, 10, false, false, NULL, NULL, NULL, - RFLAGS_MASK_NONE}, - {0xda, 6, 0, X86_DECODE_CMD_FDIV, 4, false, false, decode_x87_modrm_st0, - decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE}, - {0xda, 7, 3, X86_DECODE_CMD_INVL, 10, false, false, NULL, NULL, NULL, - RFLAGS_MASK_NONE}, - {0xda, 7, 0, X86_DECODE_CMD_FDIV, 4, true, false, decode_x87_modrm_st0, - decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE}, - - {0xdb, 0, 3, X86_DECODE_CMD_FCMOV, 10, false, false, decode_x87_modrm_st0, - decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdb, 0, 0, X86_DECODE_CMD_FLD, 4, false, false, - decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdb, 1, 3, X86_DECODE_CMD_FCMOV, 10, false, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdb, 2, 3, X86_DECODE_CMD_FCMOV, 10, false, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdb, 2, 0, X86_DECODE_CMD_FST, 4, false, false, - decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdb, 3, 3, X86_DECODE_CMD_FCMOV, 10, false, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdb, 3, 0, X86_DECODE_CMD_FST, 4, false, true, - decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdb, 4, 3, X86_DECODE_CMD_INVL, 10, false, false, NULL, NULL, - decode_db_4, RFLAGS_MASK_NONE}, - {0xdb, 4, 0, X86_DECODE_CMD_INVL, 10, false, false, NULL, NULL, NULL, - RFLAGS_MASK_NONE}, - {0xdb, 5, 3, X86_DECODE_CMD_FUCOMI, 10, false, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdb, 5, 0, X86_DECODE_CMD_FLD, 10, false, false, - decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdb, 7, 0, X86_DECODE_CMD_FST, 10, false, true, - decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xdc, 0, 3, X86_DECODE_CMD_FADD, 10, false, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdc, 0, 0, X86_DECODE_CMD_FADD, 8, false, false, - decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE}, - {0xdc, 1, 3, X86_DECODE_CMD_FMUL, 10, false, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdc, 1, 0, X86_DECODE_CMD_FMUL, 8, false, false, - decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE}, - {0xdc, 4, 3, X86_DECODE_CMD_FSUB, 10, true, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdc, 4, 0, X86_DECODE_CMD_FSUB, 8, false, false, - decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE}, - {0xdc, 5, 3, X86_DECODE_CMD_FSUB, 10, false, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdc, 5, 0, X86_DECODE_CMD_FSUB, 8, true, false, - decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE}, - {0xdc, 6, 3, X86_DECODE_CMD_FDIV, 10, true, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdc, 6, 0, X86_DECODE_CMD_FDIV, 8, false, false, - decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE}, - {0xdc, 7, 3, X86_DECODE_CMD_FDIV, 10, false, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdc, 7, 0, X86_DECODE_CMD_FDIV, 8, true, false, - decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE}, - - {0xdd, 0, 0, X86_DECODE_CMD_FLD, 8, false, false, - decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdd, 1, 3, X86_DECODE_CMD_FXCH, 10, false, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdd, 2, 3, X86_DECODE_CMD_FST, 10, false, false, - decode_x87_modrm_st0, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdd, 2, 0, X86_DECODE_CMD_FST, 8, false, false, - decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdd, 3, 3, X86_DECODE_CMD_FST, 10, false, true, - decode_x87_modrm_st0, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdd, 3, 0, X86_DECODE_CMD_FST, 8, false, true, - decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdd, 4, 3, X86_DECODE_CMD_FUCOM, 10, false, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdd, 4, 0, X86_DECODE_CMD_FRSTOR, 8, false, false, - decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdd, 5, 3, X86_DECODE_CMD_FUCOM, 10, false, true, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdd, 7, 0, X86_DECODE_CMD_FNSTSW, 0, false, false, - decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdd, 7, 3, X86_DECODE_CMD_FNSTSW, 0, false, false, - decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE}, - - {0xde, 0, 3, X86_DECODE_CMD_FADD, 10, false, true, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xde, 0, 0, X86_DECODE_CMD_FADD, 2, false, false, - decode_x87_modrm_st0, decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE}, - {0xde, 1, 3, X86_DECODE_CMD_FMUL, 10, false, true, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xde, 1, 0, X86_DECODE_CMD_FMUL, 2, false, false, - decode_x87_modrm_st0, decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE}, - {0xde, 4, 3, X86_DECODE_CMD_FSUB, 10, true, true, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xde, 4, 0, X86_DECODE_CMD_FSUB, 2, false, false, - decode_x87_modrm_st0, decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE}, - {0xde, 5, 3, X86_DECODE_CMD_FSUB, 10, false, true, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xde, 5, 0, X86_DECODE_CMD_FSUB, 2, true, false, - decode_x87_modrm_st0, decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE}, - {0xde, 6, 3, X86_DECODE_CMD_FDIV, 10, true, true, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xde, 6, 0, X86_DECODE_CMD_FDIV, 2, false, false, - decode_x87_modrm_st0, decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE}, - {0xde, 7, 3, X86_DECODE_CMD_FDIV, 10, false, true, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xde, 7, 0, X86_DECODE_CMD_FDIV, 2, true, false, - decode_x87_modrm_st0, decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE}, - - {0xdf, 0, 0, X86_DECODE_CMD_FLD, 2, false, false, - decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdf, 1, 3, X86_DECODE_CMD_FXCH, 10, false, false, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdf, 2, 3, X86_DECODE_CMD_FST, 10, false, true, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdf, 2, 0, X86_DECODE_CMD_FST, 2, false, false, - decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdf, 3, 3, X86_DECODE_CMD_FST, 10, false, true, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdf, 3, 0, X86_DECODE_CMD_FST, 2, false, true, - decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdf, 4, 3, X86_DECODE_CMD_FNSTSW, 2, false, true, - decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdf, 5, 3, X86_DECODE_CMD_FUCOMI, 10, false, true, - decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE}, - {0xdf, 5, 0, X86_DECODE_CMD_FLD, 8, false, false, - decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE}, - {0xdf, 7, 0, X86_DECODE_CMD_FST, 8, false, true, - decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE}, -}; - -void calc_modrm_operand16(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - target_ulong ptr = 0; - X86Seg seg = R_DS; - - if (!decode->modrm.mod && 6 == decode->modrm.rm) { - ptr = decode->displacement; - goto calc_addr; - } - - if (decode->displacement_size) { - ptr = sign(decode->displacement, decode->displacement_size); - } - - switch (decode->modrm.rm) { - case 0: - ptr += BX(env) + SI(env); - break; - case 1: - ptr += BX(env) + DI(env); - break; - case 2: - ptr += BP(env) + SI(env); - seg = R_SS; - break; - case 3: - ptr += BP(env) + DI(env); - seg = R_SS; - break; - case 4: - ptr += SI(env); - break; - case 5: - ptr += DI(env); - break; - case 6: - ptr += BP(env); - seg = R_SS; - break; - case 7: - ptr += BX(env); - break; - } -calc_addr: - if (X86_DECODE_CMD_LEA == decode->cmd) { - op->ptr = (uint16_t)ptr; - } else { - op->ptr = decode_linear_addr(env, decode, (uint16_t)ptr, seg); - } -} - -target_ulong get_reg_ref(CPUX86State *env, int reg, int rex_present, - int is_extended, int size) -{ - target_ulong ptr = 0; - - if (is_extended) { - reg |= R_R8; - } - - switch (size) { - case 1: - if (is_extended || reg < 4 || rex_present) { - ptr = (target_ulong)&RL(env, reg); - } else { - ptr = (target_ulong)&RH(env, reg - 4); - } - break; - default: - ptr = (target_ulong)&RRX(env, reg); - break; - } - return ptr; -} - -target_ulong get_reg_val(CPUX86State *env, int reg, int rex_present, - int is_extended, int size) -{ - target_ulong val = 0; - memcpy(&val, - (void *)get_reg_ref(env, reg, rex_present, is_extended, size), - size); - return val; -} - -static target_ulong get_sib_val(CPUX86State *env, struct x86_decode *decode, - X86Seg *sel) -{ - target_ulong base = 0; - target_ulong scaled_index = 0; - int addr_size = decode->addressing_size; - int base_reg = decode->sib.base; - int index_reg = decode->sib.index; - - *sel = R_DS; - - if (decode->modrm.mod || base_reg != R_EBP) { - if (decode->rex.b) { - base_reg |= R_R8; - } - if (base_reg == R_ESP || base_reg == R_EBP) { - *sel = R_SS; - } - base = get_reg_val(env, decode->sib.base, decode->rex.rex, - decode->rex.b, addr_size); - } - - if (decode->rex.x) { - index_reg |= R_R8; - } - - if (index_reg != R_ESP) { - scaled_index = get_reg_val(env, index_reg, decode->rex.rex, - decode->rex.x, addr_size) << - decode->sib.scale; - } - return base + scaled_index; -} - -void calc_modrm_operand32(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - X86Seg seg = R_DS; - target_ulong ptr = 0; - int addr_size = decode->addressing_size; - - if (decode->displacement_size) { - ptr = sign(decode->displacement, decode->displacement_size); - } - - if (4 == decode->modrm.rm) { - ptr += get_sib_val(env, decode, &seg); - } else if (!decode->modrm.mod && 5 == decode->modrm.rm) { - if (x86_is_long_mode(env_cpu(env))) { - ptr += env->eip + decode->len; - } else { - ptr = decode->displacement; - } - } else { - if (decode->modrm.rm == R_EBP || decode->modrm.rm == R_ESP) { - seg = R_SS; - } - ptr += get_reg_val(env, decode->modrm.rm, decode->rex.rex, - decode->rex.b, addr_size); - } - - if (X86_DECODE_CMD_LEA == decode->cmd) { - op->ptr = (uint32_t)ptr; - } else { - op->ptr = decode_linear_addr(env, decode, (uint32_t)ptr, seg); - } -} - -void calc_modrm_operand64(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - X86Seg seg = R_DS; - int32_t offset = 0; - int mod = decode->modrm.mod; - int rm = decode->modrm.rm; - target_ulong ptr; - int src = decode->modrm.rm; - - if (decode->displacement_size) { - offset = sign(decode->displacement, decode->displacement_size); - } - - if (4 == rm) { - ptr = get_sib_val(env, decode, &seg) + offset; - } else if (0 == mod && 5 == rm) { - ptr = env->eip + decode->len + (int32_t) offset; - } else { - ptr = get_reg_val(env, src, decode->rex.rex, decode->rex.b, 8) + - (int64_t) offset; - } - - if (X86_DECODE_CMD_LEA == decode->cmd) { - op->ptr = ptr; - } else { - op->ptr = decode_linear_addr(env, decode, ptr, seg); - } -} - - -void calc_modrm_operand(CPUX86State *env, struct x86_decode *decode, - struct x86_decode_op *op) -{ - if (3 == decode->modrm.mod) { - op->reg = decode->modrm.reg; - op->type = X86_VAR_REG; - op->ptr = get_reg_ref(env, decode->modrm.rm, decode->rex.rex, - decode->rex.b, decode->operand_size); - return; - } - - switch (decode->addressing_size) { - case 2: - calc_modrm_operand16(env, decode, op); - break; - case 4: - calc_modrm_operand32(env, decode, op); - break; - case 8: - calc_modrm_operand64(env, decode, op); - break; - default: - VM_PANIC_EX("unsupported address size %d\n", decode->addressing_size); - break; - } -} - -static void decode_prefix(CPUX86State *env, struct x86_decode *decode) -{ - while (1) { - /* - * REX prefix must come after legacy prefixes. - * REX before legacy is ignored. - * Clear rex to simulate this. - */ - uint8_t byte = decode_byte(env, decode); - switch (byte) { - case PREFIX_LOCK: - decode->lock = byte; - decode->rex.rex = 0; - break; - case PREFIX_REPN: - case PREFIX_REP: - decode->rep = byte; - decode->rex.rex = 0; - break; - case PREFIX_CS_SEG_OVERRIDE: - case PREFIX_SS_SEG_OVERRIDE: - case PREFIX_DS_SEG_OVERRIDE: - case PREFIX_ES_SEG_OVERRIDE: - case PREFIX_FS_SEG_OVERRIDE: - case PREFIX_GS_SEG_OVERRIDE: - decode->segment_override = byte; - decode->rex.rex = 0; - break; - case PREFIX_OP_SIZE_OVERRIDE: - decode->op_size_override = byte; - decode->rex.rex = 0; - break; - case PREFIX_ADDR_SIZE_OVERRIDE: - decode->addr_size_override = byte; - decode->rex.rex = 0; - break; - case PREFIX_REX ... (PREFIX_REX + 0xf): - if (x86_is_long_mode(env_cpu(env))) { - decode->rex.rex = byte; - break; - } - /* fall through when not in long mode */ - default: - decode->len--; - return; - } - } -} - -void set_addressing_size(CPUX86State *env, struct x86_decode *decode) -{ - decode->addressing_size = -1; - if (x86_is_real(env_cpu(env)) || x86_is_v8086(env_cpu(env))) { - if (decode->addr_size_override) { - decode->addressing_size = 4; - } else { - decode->addressing_size = 2; - } - } else if (!x86_is_long_mode(env_cpu(env))) { - /* protected */ - struct vmx_segment cs; - vmx_read_segment_descriptor(env_cpu(env), &cs, R_CS); - /* check db */ - if ((cs.ar >> 14) & 1) { - if (decode->addr_size_override) { - decode->addressing_size = 2; - } else { - decode->addressing_size = 4; - } - } else { - if (decode->addr_size_override) { - decode->addressing_size = 4; - } else { - decode->addressing_size = 2; - } - } - } else { - /* long */ - if (decode->addr_size_override) { - decode->addressing_size = 4; - } else { - decode->addressing_size = 8; - } - } -} - -void set_operand_size(CPUX86State *env, struct x86_decode *decode) -{ - decode->operand_size = -1; - if (x86_is_real(env_cpu(env)) || x86_is_v8086(env_cpu(env))) { - if (decode->op_size_override) { - decode->operand_size = 4; - } else { - decode->operand_size = 2; - } - } else if (!x86_is_long_mode(env_cpu(env))) { - /* protected */ - struct vmx_segment cs; - vmx_read_segment_descriptor(env_cpu(env), &cs, R_CS); - /* check db */ - if ((cs.ar >> 14) & 1) { - if (decode->op_size_override) { - decode->operand_size = 2; - } else{ - decode->operand_size = 4; - } - } else { - if (decode->op_size_override) { - decode->operand_size = 4; - } else { - decode->operand_size = 2; - } - } - } else { - /* long */ - if (decode->op_size_override) { - decode->operand_size = 2; - } else { - decode->operand_size = 4; - } - - if (decode->rex.w) { - decode->operand_size = 8; - } - } -} - -static void decode_sib(CPUX86State *env, struct x86_decode *decode) -{ - if ((decode->modrm.mod != 3) && (4 == decode->modrm.rm) && - (decode->addressing_size != 2)) { - decode->sib.sib = decode_byte(env, decode); - decode->sib_present = true; - } -} - -/* 16 bit modrm */ -int disp16_tbl[4][8] = { - {0, 0, 0, 0, 0, 0, 2, 0}, - {1, 1, 1, 1, 1, 1, 1, 1}, - {2, 2, 2, 2, 2, 2, 2, 2}, - {0, 0, 0, 0, 0, 0, 0, 0} -}; - -/* 32/64-bit modrm */ -int disp32_tbl[4][8] = { - {0, 0, 0, 0, -1, 4, 0, 0}, - {1, 1, 1, 1, 1, 1, 1, 1}, - {4, 4, 4, 4, 4, 4, 4, 4}, - {0, 0, 0, 0, 0, 0, 0, 0} -}; - -static inline void decode_displacement(CPUX86State *env, struct x86_decode *decode) -{ - int addressing_size = decode->addressing_size; - int mod = decode->modrm.mod; - int rm = decode->modrm.rm; - - decode->displacement_size = 0; - switch (addressing_size) { - case 2: - decode->displacement_size = disp16_tbl[mod][rm]; - if (decode->displacement_size) { - decode->displacement = (uint16_t)decode_bytes(env, decode, - decode->displacement_size); - } - break; - case 4: - case 8: - if (-1 == disp32_tbl[mod][rm]) { - if (5 == decode->sib.base) { - decode->displacement_size = 4; - } - } else { - decode->displacement_size = disp32_tbl[mod][rm]; - } - - if (decode->displacement_size) { - decode->displacement = (uint32_t)decode_bytes(env, decode, - decode->displacement_size); - } - break; - } -} - -static inline void decode_modrm(CPUX86State *env, struct x86_decode *decode) -{ - decode->modrm.modrm = decode_byte(env, decode); - decode->is_modrm = true; - - decode_sib(env, decode); - decode_displacement(env, decode); -} - -static inline void decode_opcode_general(CPUX86State *env, - struct x86_decode *decode, - uint8_t opcode, - struct decode_tbl *inst_decoder) -{ - decode->cmd = inst_decoder->cmd; - if (inst_decoder->operand_size) { - decode->operand_size = inst_decoder->operand_size; - } - decode->flags_mask = inst_decoder->flags_mask; - - if (inst_decoder->is_modrm) { - decode_modrm(env, decode); - } - if (inst_decoder->decode_op1) { - inst_decoder->decode_op1(env, decode, &decode->op[0]); - } - if (inst_decoder->decode_op2) { - inst_decoder->decode_op2(env, decode, &decode->op[1]); - } - if (inst_decoder->decode_op3) { - inst_decoder->decode_op3(env, decode, &decode->op[2]); - } - if (inst_decoder->decode_op4) { - inst_decoder->decode_op4(env, decode, &decode->op[3]); - } - if (inst_decoder->decode_postfix) { - inst_decoder->decode_postfix(env, decode); - } -} - -static inline void decode_opcode_1(CPUX86State *env, struct x86_decode *decode, - uint8_t opcode) -{ - struct decode_tbl *inst_decoder = &_decode_tbl1[opcode]; - decode_opcode_general(env, decode, opcode, inst_decoder); -} - - -static inline void decode_opcode_2(CPUX86State *env, struct x86_decode *decode, - uint8_t opcode) -{ - struct decode_tbl *inst_decoder = &_decode_tbl2[opcode]; - decode_opcode_general(env, decode, opcode, inst_decoder); -} - -static void decode_opcodes(CPUX86State *env, struct x86_decode *decode) -{ - uint8_t opcode; - - opcode = decode_byte(env, decode); - decode->opcode[decode->opcode_len++] = opcode; - if (opcode != OPCODE_ESCAPE) { - decode_opcode_1(env, decode, opcode); - } else { - opcode = decode_byte(env, decode); - decode->opcode[decode->opcode_len++] = opcode; - decode_opcode_2(env, decode, opcode); - } -} - -uint32_t decode_instruction(CPUX86State *env, struct x86_decode *decode) -{ - memset(decode, 0, sizeof(*decode)); - decode_prefix(env, decode); - set_addressing_size(env, decode); - set_operand_size(env, decode); - - decode_opcodes(env, decode); - - return decode->len; -} - -void init_decoder(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(_decode_tbl1); i++) { - memcpy(&_decode_tbl1[i], &invl_inst, sizeof(invl_inst)); - } - for (i = 0; i < ARRAY_SIZE(_decode_tbl2); i++) { - memcpy(&_decode_tbl2[i], &invl_inst, sizeof(invl_inst)); - } - for (i = 0; i < ARRAY_SIZE(_decode_tbl3); i++) { - memcpy(&_decode_tbl3[i], &invl_inst_x87, sizeof(invl_inst_x87)); - - } - for (i = 0; i < ARRAY_SIZE(_1op_inst); i++) { - _decode_tbl1[_1op_inst[i].opcode] = _1op_inst[i]; - } - for (i = 0; i < ARRAY_SIZE(_2op_inst); i++) { - _decode_tbl2[_2op_inst[i].opcode] = _2op_inst[i]; - } - for (i = 0; i < ARRAY_SIZE(_x87_inst); i++) { - int index = ((_x87_inst[i].opcode & 0xf) << 4) | - ((_x87_inst[i].modrm_mod & 1) << 3) | - _x87_inst[i].modrm_reg; - _decode_tbl3[index] = _x87_inst[i]; - } -} - - -const char *decode_cmd_to_string(enum x86_decode_cmd cmd) -{ - static const char *cmds[] = {"INVL", "PUSH", "PUSH_SEG", "POP", "POP_SEG", - "MOV", "MOVSX", "MOVZX", "CALL_NEAR", "CALL_NEAR_ABS_INDIRECT", - "CALL_FAR_ABS_INDIRECT", "CMD_CALL_FAR", "RET_NEAR", "RET_FAR", "ADD", - "OR", "ADC", "SBB", "AND", "SUB", "XOR", "CMP", "INC", "DEC", "TST", - "NOT", "NEG", "JMP_NEAR", "JMP_NEAR_ABS_INDIRECT", "JMP_FAR", - "JMP_FAR_ABS_INDIRECT", "LEA", "JXX", "JCXZ", "SETXX", "MOV_TO_SEG", - "MOV_FROM_SEG", "CLI", "STI", "CLD", "STD", "STC", "CLC", "OUT", "IN", - "INS", "OUTS", "LIDT", "SIDT", "LGDT", "SGDT", "SMSW", "LMSW", - "RDTSCP", "INVLPG", "MOV_TO_CR", "MOV_FROM_CR", "MOV_TO_DR", - "MOV_FROM_DR", "PUSHF", "POPF", "CPUID", "ROL", "ROR", "RCL", "RCR", - "SHL", "SAL", "SHR", "SHRD", "SHLD", "SAR", "DIV", "IDIV", "MUL", - "IMUL_3", "IMUL_2", "IMUL_1", "MOVS", "CMPS", "SCAS", "LODS", "STOS", - "BSWAP", "XCHG", "RDTSC", "RDMSR", "WRMSR", "ENTER", "LEAVE", "BT", - "BTS", "BTC", "BTR", "BSF", "BSR", "IRET", "INT", "POPA", "PUSHA", - "CWD", "CBW", "DAS", "AAD", "AAM", "AAS", "LOOP", "SLDT", "STR", "LLDT", - "LTR", "VERR", "VERW", "SAHF", "LAHF", "WBINVD", "LDS", "LSS", "LES", - "LGS", "LFS", "CMC", "XLAT", "NOP", "CMOV", "CLTS", "XADD", "HLT", - "CMPXCHG8B", "CMPXCHG", "POPCNT", "FNINIT", "FLD", "FLDxx", "FNSTCW", - "FNSTSW", "FNSETPM", "FSAVE", "FRSTOR", "FXSAVE", "FXRSTOR", "FDIV", - "FMUL", "FSUB", "FADD", "EMMS", "MFENCE", "SFENCE", "LFENCE", - "PREFETCH", "FST", "FABS", "FUCOM", "FUCOMI", "FLDCW", - "FXCH", "FCHS", "FCMOV", "FRNDINT", "FXAM", "LAST"}; - return cmds[cmd]; -} - -target_ulong decode_linear_addr(CPUX86State *env, struct x86_decode *decode, - target_ulong addr, X86Seg seg) -{ - switch (decode->segment_override) { - case PREFIX_CS_SEG_OVERRIDE: - seg = R_CS; - break; - case PREFIX_SS_SEG_OVERRIDE: - seg = R_SS; - break; - case PREFIX_DS_SEG_OVERRIDE: - seg = R_DS; - break; - case PREFIX_ES_SEG_OVERRIDE: - seg = R_ES; - break; - case PREFIX_FS_SEG_OVERRIDE: - seg = R_FS; - break; - case PREFIX_GS_SEG_OVERRIDE: - seg = R_GS; - break; - default: - break; - } - return linear_addr_size(env_cpu(env), addr, decode->addressing_size, seg); -} |