xed-common-defs.h

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00001 /*BEGIN_LEGAL 
00002 Intel Open Source License 
00003 
00004 Copyright (c) 2002-2015 Intel Corporation. All rights reserved.
00005  
00006 Redistribution and use in source and binary forms, with or without
00007 modification, are permitted provided that the following conditions are
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00009 
00010 Redistributions of source code must retain the above copyright notice,
00011 this list of conditions and the following disclaimer.  Redistributions
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00033 
00034 
00035 
00036 #ifndef _XED_COMMON_DEFS_H_
00037 # define _XED_COMMON_DEFS_H_
00038 
00040 
00041 #define XED_MAX_OPERANDS 11
00042 #define XED_MAX_NONTERMINALS_PER_INSTRUCTION 20 // FIXME somewhat arbitrary
00043 
00044  // for most things it is 4, but one 64b mov allows 8
00045 #define XED_MAX_DISPLACEMENT_BYTES  8
00046 
00047  // for most things it is max 4, but one 64b mov allows 8.
00048 #define XED_MAX_IMMEDIATE_BYTES  8
00049 
00050 #define XED_MAX_INSTRUCTION_BYTES  15
00051 
00052 
00053 #define XED_BYTE_MASK(x) ((x) & 0xFF)
00054 #define XED_BYTE_CAST(x) (XED_STATIC_CAST(xed_uint8_t,x))
00055 
00057 // used for defining bit-field widths
00058 // Microsoft's compiler treats enumerations as signed and if you pack
00059 // the bit-field with values, when you assign it to a full-width enumeration,
00060 // you get junk-- a big negative number. This compensates for cases that I've
00061 // encountered
00062 #if defined(__GNUC__)
00063 #  define XED_BIT_FIELD_PSEUDO_WIDTH4 4
00064 #  define XED_BIT_FIELD_PSEUDO_WIDTH8 8
00065 #else
00066 #  define XED_BIT_FIELD_PSEUDO_WIDTH4 8
00067 #  define XED_BIT_FIELD_PSEUDO_WIDTH8 16
00068 #endif
00069 
00070 
00071 #endif
00072 
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