src/trusted/validator/x86/x86_insts.h - Issue 625923004: Delete old x86 validator.

Unified Diff: src/trusted/validator/x86/x86_insts.h

Issue 625923004: Delete old x86 validator. (Closed) Base URL: svn://svn.chromium.org/native_client/trunk/src/native_client

Patch Set: rebase master Created 6 years, 2 months ago

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Index: src/trusted/validator/x86/x86_insts.h

diff --git a/src/trusted/validator/x86/x86_insts.h b/src/trusted/validator/x86/x86_insts.h

deleted file mode 100644

index 6087a2b1e312eea9bb9ce7da72743481bfaaca3a..0000000000000000000000000000000000000000

--- a/src/trusted/validator/x86/x86_insts.h

+++ /dev/null

@@ -1,191 +0,0 @@

-/*

- * Use of this source code is governed by a BSD-style license that can be

- * found in the LICENSE file.

- */

-/*

- * x86_insts.h - Holds common utilties for decoding x86 instructions.

- */

-#ifndef NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_X86_INSTS_H__

-#define NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_X86_INSTS_H__

-#include "native_client/src/include/portability.h"

-/* Readability macros for bitset testing. */

-/* Set contains bit. */

-#define NaClHasBit(set, bit) ((set) & (bit))

-/* Set contains (all) bits. */

-#define NaClHasBits(set, bits) ((bits) == ((set) & (bits)))

-/* Set contains bits other than given bit. */

-#define NaClExcludesBit(set, bit) (~(set) & bit)

-/* Readability macros for changing bitsets. */

-#define NaClAddBits(set, bits) (set |= (bits))

-#define NaClRemoveBits(set, bits) (set &= ~(bits))

-EXTERN_C_BEGIN

-/* Defines the corresponding byte encodings for each of the prefixes. */

-#define kValueSEGCS 0x2e

-#define kValueSEGSS 0x36

-#define kValueSEGFS 0x64

-#define kValueSEGGS 0x65

-#define kValueDATA16 0x66

-#define kValueADDR16 0x67

-#define kValueREPNE 0xf2

-#define kValueREP 0xf3

-#define kValueLOCK 0xf0

-#define kValueSEGES 0x26

-#define kValueSEGDS 0x3e

-/* Using a bit mask here. Hopefully nobody will be offended.

- * Prefix usage: 0x2e and 0x3e are used as branch prediction hints

- * 0x64 and 0x65 needed for TLS

- * 0x26 and 0x36 shouldn't be needed

- * These are #defines, not const ints, because they are used

- * for array initialization

- */

-#define kPrefixSEGCS 0x0001 /* 0x2e */

-#define kPrefixSEGSS 0x0002 /* 0x36 */

-#define kPrefixSEGFS 0x0004 /* 0x64 */

-#define kPrefixSEGGS 0x0008 /* 0x65 */

-#define kPrefixDATA16 0x0010 /* 0x66 - OKAY */

-#define kPrefixADDR16 0x0020 /* 0x67 - disallowed */

-#define kPrefixREPNE 0x0040 /* 0xf2 - OKAY */

-#define kPrefixREP 0x0080 /* 0xf3 - OKAY */

-#define kPrefixLOCK 0x0100 /* 0xf0 - OKAY */

-#define kPrefixSEGES 0x0200 /* 0x26 - disallowed */

-#define kPrefixSEGDS 0x0400 /* 0x3e - disallowed */

-#define kPrefixREX 0x1000 /* 0x40 - 0x4f Rex prefix */

-/* a new enumerated type for instructions.

- * Note: Each enumerate type is marked with one of the following symbols,

- * defining the validator it us used for:

- * 32 - The x86-32 validator.

- * 64 - The x86-64 validator.

- * Both - Both the x86-32 and the x86-64 validators.

- * Note: The code for the x86-64 validator is being cleaned up, and there

- * are still uses of the "32" tag for x86 instructions.

- * TODO(karl) - Fix this comment when modeling for the x86-64 has been cleaned

- * up.

- */

-typedef enum {

- NACLi_UNDEFINED = 0, /* uninitialized space; should never happen */ /* Both */

- NACLi_ILLEGAL, /* not allowed in NaCl */ /* Both */

- NACLi_INVALID, /* not valid on any known x86 */ /* Both */

- NACLi_SYSTEM, /* ring-0 instruction, not allowed in NaCl */ /* Both */

- NACLi_NOP, /* Predefined nop instruction sequence. */ /* 32 */

- NACLi_386, /* an allowed instruction on all i386 implementations */

- /* Both */

- /* subset of i386 that allows LOCK prefix. NOTE:

- * This is only used for the 32 bit validator. The new

- * 64 bit validator uses "InstFlag(OpcodeLockable)"

- * to communicate this (which separates the CPU ID

- * information from whether the instruction is lockable.

- * Hopefully, in future releases, this enumerated type

- * will be removed.

- */

- NACLi_386L, /* 32 */

- NACLi_386R, /* subset of i386 that allow REP prefix */ /* 32 */

- NACLi_386RE, /* subset of i386 that allow REPE/REPZ prefixes */

- /* 32 */

- NACLi_JMP8, /* 32 */

- NACLi_JMPZ, /* 32 */

- NACLi_INDIRECT, /* 32 */

- NACLi_OPINMRM, /* 32 */

- NACLi_RETURN, /* 32 */

- /* Both */

- NACLi_LAHF, /* LAHF/SAHF: unconditionally allowed in 32-bit

- conditionally allowed in 64-bit mode */

- NACLi_SFENCE_CLFLUSH, /* Both */

- NACLi_CMPXCHG8B, /* Both */

- NACLi_CMPXCHG16B, /* 64-bit mode only, illegal for NaCl */ /* Both */

- NACLi_CMOV, /* Both */

- NACLi_RDMSR, /* Both */

- NACLi_RDTSC, /* Both */

- NACLi_RDTSCP, /* AMD only */ /* Both */

- NACLi_SYSCALL, /* AMD only; equivalent to SYSENTER */ /* Both */

- NACLi_SYSENTER, /* Both */

- NACLi_X87, /* Both */

- NACLi_X87_FSINCOS, /* Both */

- NACLi_MMX, /* Both */

- NACLi_MMXSSE2, /* MMX with no prefix, SSE2 with 0x66 prefix */ /* Both */

- NACLi_3DNOW, /* AMD only */ /* Both */

- NACLi_EMMX, /* Cyrix only; not supported yet */ /* Both */

- NACLi_E3DNOW, /* AMD only */ /* Both */

- NACLi_SSE, /* Both */

- NACLi_SSE2, /* no prefix => MMX; prefix 66 => SSE; */ /* Both */

- /* f2, f3 not allowed unless used for opcode selection */

- NACLi_SSE2x, /* SSE2; prefix 66 required!!! */ /* 32 */

- NACLi_SSE3, /* Both */

- NACLi_SSE4A, /* AMD only */ /* Both */

- NACLi_SSE41, /* Both */

- NACLi_SSE42, /* Both */

- NACLi_MOVBE, /* Both */

- NACLi_POPCNT, /* Both */

- NACLi_LZCNT, /* Both */

- NACLi_LONGMODE,/* AMD only? */ /* 32 */

- NACLi_SVM, /* AMD only */ /* Both */

- NACLi_SSSE3, /* Both */

- NACLi_3BYTE, /* 32 */

- NACLi_FCMOV, /* 32 */

- NACLi_VMX, /* 64 */

- NACLi_FXSAVE /* SAVE/RESTORE xmm, mmx, and x87 state. */ /* 64 */

- /* NOTE: This enum must be kept consistent with kNaClInstTypeRange */

- /* (defined below). */

- /* Note: If you change this enumerated type, be sure to update */

- /* kNaClInstTypeString in x86_insts.c. */

-} NaClInstType;

-#define kNaClInstTypeRange 49

-/* Returns the print name for the enumerated type.*/

-const char* NaClInstTypeString(NaClInstType typ);

-/* Define the maximum register value that can be encoded into the opcode

- * byte.

- */

-#define kMaxRegisterIndexInOpcode 7

-extern const uint8_t kFirstX87Opcode; /* 0xd8 */

-extern const uint8_t kLastX87Opcode; /* 0xdf */

-/* Defines the opcode for the WAIT instruction.

- * Note: WAIT is an x87 instruction but not in the coproc opcode space.

- */

-extern const uint8_t kWAITOp; /* 0x9b */

-#define NCDTABLESIZE 256

-extern const uint8_t kTwoByteOpcodeByte1; /* 0x0f */

-extern const uint8_t k3DNowOpcodeByte2; /* 0x0f */

-extern const int kMaxPrefixBytes; /* 4 */

-/* Accessors for the ModRm byte. */

-extern uint8_t modrm_mod(uint8_t modrm);

-extern uint8_t modrm_rm(uint8_t modrm);

-extern uint8_t modrm_reg(uint8_t modrm);

-extern uint8_t modrm_opcode(uint8_t modrm);

-/* Accessors for the Sib byte. */

-extern uint8_t sib_ss(uint8_t sib);

-extern uint8_t sib_index(uint8_t sib);

-extern uint8_t sib_base(uint8_t sib);

-/* Defines the range of rex prefix values. */

-extern const uint8_t NaClRexMin; /* 0x40 */

-extern const uint8_t NaClRexMax; /* 0x4F */

-/* Accessors for each of the rex bits. */

-uint8_t NaClRexW(uint8_t prefix);

-uint8_t NaClRexR(uint8_t prefix);

-uint8_t NaClRexX(uint8_t prefix);

-uint8_t NaClRexB(uint8_t prefix);

-EXTERN_C_END

-#endif /* NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_X86_INSTS_H__ */

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