Imported binutils-2.20

[msp430-binutils.git] / include / opcode / i386.h

diff --git a/include/opcode/i386.h b/include/opcode/i386.h
index 4fe769a58bfcfadfd31b4adc50ad987a82f368b6..a0447b9d54c29ff90fb10fb16a9e99e6f9a9c5eb 100644 (file)
--- a/include/opcode/i386.h
+++ b/include/opcode/i386.h
@@ -1,6 +1,6 @@
 /* opcode/i386.h -- Intel 80386 opcode macros
    Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
 /* opcode/i386.h -- Intel 80386 opcode macros
    Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,

-   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009

    Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler, and GDB, the GNU Debugger.
    Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler, and GDB, the GNU Debugger.


@@ -35,6 +35,9 @@
 
    The affected opcode map is dceX, dcfX, deeX, defX.  */
 
 
    The affected opcode map is dceX, dcfX, deeX, defX.  */
 

+#ifndef OPCODE_I386_H
+#define OPCODE_I386_H
+

 #ifndef SYSV386_COMPAT
 /* Set non-zero for broken, compatible instructions.  Set to zero for
    non-broken opcodes at your peril.  gcc generates SystemV/386
 #ifndef SYSV386_COMPAT
 /* Set non-zero for broken, compatible instructions.  Set to zero for
    non-broken opcodes at your peril.  gcc generates SystemV/386


@@ -56,6 +59,11 @@
 /* The opcode for the fwait instruction, which disassembler treats as a
    prefix when it can.  */
 #define FWAIT_OPCODE 0x9b
 /* The opcode for the fwait instruction, which disassembler treats as a
    prefix when it can.  */
 #define FWAIT_OPCODE 0x9b

+
+/* Instruction prefixes.
+   NOTE: For certain SSE* instructions, 0x66,0xf2,0xf3 are treated as
+   part of the opcode.  Other prefixes may still appear between them
+   and the 0x0f part of the opcode.  */

 #define ADDR_PREFIX_OPCODE 0x67
 #define DATA_PREFIX_OPCODE 0x66
 #define LOCK_PREFIX_OPCODE 0xf0
 #define ADDR_PREFIX_OPCODE 0x67
 #define DATA_PREFIX_OPCODE 0x66
 #define LOCK_PREFIX_OPCODE 0xf0


@@ -72,8 +80,14 @@
 #define NOP_OPCODE (char) 0x90
 
 /* register numbers */
 #define NOP_OPCODE (char) 0x90
 
 /* register numbers */

-#define EBP_REG_NUM 5
+#define EAX_REG_NUM 0
+#define ECX_REG_NUM 1
+#define EDX_REG_NUM 2
+#define EBX_REG_NUM 3

 #define ESP_REG_NUM 4
 #define ESP_REG_NUM 4

+#define EBP_REG_NUM 5
+#define ESI_REG_NUM 6
+#define EDI_REG_NUM 7

 
 /* modrm_byte.regmem for twobyte escape */
 #define ESCAPE_TO_TWO_BYTE_ADDRESSING ESP_REG_NUM
 
 /* modrm_byte.regmem for twobyte escape */
 #define ESCAPE_TO_TWO_BYTE_ADDRESSING ESP_REG_NUM


@@ -87,9 +101,22 @@
 #define REGMEM_FIELD_HAS_REG 0x3/* always = 0x3 */
 #define REGMEM_FIELD_HAS_MEM (~REGMEM_FIELD_HAS_REG)
 
 #define REGMEM_FIELD_HAS_REG 0x3/* always = 0x3 */
 #define REGMEM_FIELD_HAS_MEM (~REGMEM_FIELD_HAS_REG)
 

+/* Extract fields from the mod/rm byte.  */
+#define MODRM_MOD_FIELD(modrm) (((modrm) >> 6) & 3)
+#define MODRM_REG_FIELD(modrm) (((modrm) >> 3) & 7)
+#define MODRM_RM_FIELD(modrm)  (((modrm) >> 0) & 7)
+
+/* Extract fields from the sib byte.  */
+#define SIB_SCALE_FIELD(sib) (((sib) >> 6) & 3)
+#define SIB_INDEX_FIELD(sib) (((sib) >> 3) & 7)
+#define SIB_BASE_FIELD(sib)  (((sib) >> 0) & 7)
+

 /* x86-64 extension prefix.  */
 #define REX_OPCODE     0x40
 
 /* x86-64 extension prefix.  */
 #define REX_OPCODE     0x40
 

+/* Non-zero if OPCODE is the rex prefix.  */
+#define REX_PREFIX_P(opcode) (((opcode) & 0xf0) == REX_OPCODE)
+

 /* Indicates 64 bit operand size.  */
 #define REX_W  8
 /* High extension to reg field of modrm byte.  */
 /* Indicates 64 bit operand size.  */
 #define REX_W  8
 /* High extension to reg field of modrm byte.  */


@@ -100,7 +127,7 @@
 #define REX_B  1
 
 /* max operands per insn */
 #define REX_B  1
 
 /* max operands per insn */

-#define MAX_OPERANDS 4
+#define MAX_OPERANDS 5

 
 /* max immediates per insn (lcall, ljmp, insertq, extrq) */
 #define MAX_IMMEDIATE_OPERANDS 2
 
 /* max immediates per insn (lcall, ljmp, insertq, extrq) */
 #define MAX_IMMEDIATE_OPERANDS 2


@@ -109,7 +136,9 @@
 #define MAX_MEMORY_OPERANDS 2
 
 /* max size of insn mnemonics.  */
 #define MAX_MEMORY_OPERANDS 2
 
 /* max size of insn mnemonics.  */

-#define MAX_MNEM_SIZE 16
+#define MAX_MNEM_SIZE 20

 
 /* max size of register name in insn mnemonics.  */
 #define MAX_REG_NAME_SIZE 8
 
 /* max size of register name in insn mnemonics.  */
 #define MAX_REG_NAME_SIZE 8

+
+#endif /* OPCODE_I386_H */