Move validator_x86_XX.rl out of unreviewed.

src/trusted/validator_ragel/unreviewed/decoder.h

-/*
- * Copyright (c) 2012 The Native Client Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_RAGEL_DECODER_H_
-#define NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_RAGEL_DECODER_H_
-
-#include "native_client/src/shared/utils/types.h"
-#include "native_client/src/trusted/validator/x86/nacl_cpuid.h"
-
-EXTERN_C_BEGIN
-
-enum OperandType {
-  /*
-   * These are for general-purpose registers, memory access and immediates.
-   * They are not used for XMM, MMX etc.
-   */
-  OPERAND_TYPE_8_BIT,
-  OPERAND_TYPE_16_BIT,
-  OPERAND_TYPE_32_BIT,
-  OPERAND_TYPE_64_BIT,
-
-  /* Non-GP registers.  */
-  OPERAND_TYPE_ST,               /* Any X87 register.                         */
-  OPERAND_TYPE_MMX,              /* MMX registers: %mmX.                      */
-  OPERAND_TYPE_XMM,              /* XMM register: %xmmX.                      */
-  OPERAND_TYPE_YMM,              /* YMM registers: %ymmX.                     */
-  OPERAND_TYPE_SEGMENT_REGISTER, /* Operand is segment register: %es … %gs.   */
-  OPERAND_TYPE_CONTROL_REGISTER, /* Operand is control register: %crX.        */
-  OPERAND_TYPE_DEBUG_REGISTER,   /* Operand is debug register: %drX.          */
-  OPERAND_TYPE_TEST_REGISTER,    /* Operand is test register: %trX.           */
-
-  /*
-   * All other operand types are not used as register arguments.  These are
-   * immediates or memory.
-   */
-  OPERAND_TYPES_REGISTER_MAX = OPERAND_TYPE_TEST_REGISTER + 1,
-
-  /* See VPERMIL2Px instruction for description of 2-bit operand type. */
-  OPERAND_TYPE_2_BIT = OPERAND_TYPES_REGISTER_MAX,
-  /*
-   * SIMD memory access operands.  Note: 3D Now! and MMX instructions use
-   * OPERAND_TYPE_64_BIT operands which are used for GP registers, too.
-   * This overloading is not good and it may be good idea to separate them
-   * but sadly AMD/Intel manuals conflate them and it was deemed that it's
-   * too much work to separate them.
-   */
-  OPERAND_TYPE_128_BIT,
-  OPERAND_TYPE_256_BIT,
-
-  /* OPERAND_X87_SIZE_*_BIT are signed integers in memory.*/
-  OPERAND_TYPE_X87_16_BIT,
-  OPERAND_TYPE_X87_32_BIT,
-  OPERAND_TYPE_X87_64_BIT,
-
-  /* OPERAND_FLOAT_SIZE_*_BIT are used for in-memory operands. */
-  OPERAND_TYPE_FLOAT_32_BIT,
-  OPERAND_TYPE_FLOAT_64_BIT,
-  OPERAND_TYPE_FLOAT_80_BIT,
-
-  /* Miscellaneous structures in memory.  */
-  OPERAND_TYPE_X87_BCD,           /* 10-byte packed BCD value.                */
-  OPERAND_TYPE_X87_ENV,           /* A 14-byte or 28-byte x87 environment.    */
-  OPERAND_TYPE_X87_STATE,         /* A 94-byte or 108-byte x87 state.         */
-  OPERAND_TYPE_X87_MMX_XMM_STATE, /* A 512-byte extended x87/MMX/XMM state.   */
-  OPERAND_TYPE_SELECTOR,          /* Operand is 6/10 bytes selector.          */
-  OPERAND_TYPE_FAR_PTR            /* Operand is 6/10 bytes far pointer.       */
-};
-
-enum OperandName {
-  /* First 16 registers are compatible with encoding of registers in x86 ABI. */
-  REG_RAX,
-  REG_RCX,
-  REG_RDX,
-  REG_RBX,
-  REG_RSP,
-  REG_RBP,
-  REG_RSI,
-  REG_RDI,
-  REG_R8,
-  REG_R9,
-  REG_R10,
-  REG_R11,
-  REG_R12,
-  REG_R13,
-  REG_R14,
-  REG_R15,
-  /* These are different kinds of operands used in special cases.             */
-  REG_RM,           /* Address in memory via rm field.                        */
-  REG_RIP,          /* RIP - used as base in x86-64 mode.                     */
-  REG_RIZ,          /* EIZ/RIZ - used as "always zero index" register.        */
-  REG_IMM,          /* Fixed value in imm field.                              */
-  REG_IMM2,         /* Fixed value in second imm field.                       */
-  REG_DS_RBX,       /* Fox xlat: %ds(%rbx).                                   */
-  REG_ES_RDI,       /* For string instructions: %es:(%rsi).                   */
-  REG_DS_RSI,       /* For string instructions: %ds:(%rdi).                   */
-  REG_PORT_DX,      /* 16-bit DX: for in/out instructions.                    */
-  NO_REG,           /* For modrm: both index and base can be absent.          */
-  REG_ST,           /* For x87 instructions: implicit %st.                    */
-  JMP_TO,           /* Operand is jump target address: usually %rip+offset.   */
-};
-
-/*
- * Displacement can be of four different sizes in x86 instruction set: nothing,
- * 8-bit, 16-bit, 32-bit, and 64-bit.  These are traditionally treated slightly
- * differently by decoders: 8-bit are usually printed as signed offset, while
- * 32-bit (in ia32 mode) and 64-bit (in amd64 mode) are printed as unsigned
- * offset.
- */
-enum DisplacementMode {
-  DISPNONE,
-  DISP8,
-  DISP16,
-  DISP32,
-  DISP64
-};
-
-struct Instruction {
-  const char *name;
-  unsigned char operands_count;
-  struct {
-    unsigned char rex;        /* Mostly to distingush cases like %ah vs %spl. */
-    Bool rex_b_spurious;
-    Bool rex_x_spurious;
-    Bool rex_r_spurious;
-    Bool rex_w_spurious;
-    Bool data16;              /* "Normal", non-rex prefixes. */
-    Bool data16_spurious;
-    Bool lock;
-    Bool repnz;
-    Bool repz;
-    Bool branch_not_taken;
-    Bool branch_taken;
-  } prefix;
-  struct {
-    enum OperandName name;
-    enum OperandType type;
-  } operands[5];
-  struct {
-    enum OperandName base;
-    enum OperandName index;
-    int scale;
-    int64_t offset;
-    enum DisplacementMode disp_type;
-  } rm;
-  uint64_t imm[2];
-  const char* att_instruction_suffix;
-};
-
-typedef void (*ProcessInstructionFunc) (const uint8_t *begin,
-                                        const uint8_t *end,
-                                        struct Instruction *instruction,
-                                        void *userdata);
-
-typedef void (*ProcessDecodingErrorFunc) (const uint8_t *ptr,
-                                          void *userdata);
-
-/*
- * kFullCPUIDFeatures is pre-defined constant of NaClCPUFeaturesX86 type with
- * all possible CPUID features enabled.
- */
-extern const NaClCPUFeaturesX86 kFullCPUIDFeatures;
-
-int DecodeChunkAMD64(const uint8_t *data, size_t size,
-                     ProcessInstructionFunc process_instruction,
-                     ProcessDecodingErrorFunc process_error, void *userdata);
-
-int DecodeChunkIA32(const uint8_t *data, size_t size,
-                    ProcessInstructionFunc process_instruction,
-                    ProcessDecodingErrorFunc process_error, void *userdata);
-
-EXTERN_C_END
-
-#endif  /* NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_RAGEL_DECODER_H_ */