summaryrefslogtreecommitdiffstats
path: root/js/src/zydis/Zydis/SharedData.c
blob: b4460497d7a7fac71056dda9668b5414a6c2295c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
/***************************************************************************************************

  Zyan Disassembler Library (Zydis)

  Original Author : Florian Bernd

 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.

***************************************************************************************************/

#include "zydis/Zydis/Internal/SharedData.h"

/* ============================================================================================== */
/* Data tables                                                                                    */
/* ============================================================================================== */

/* ---------------------------------------------------------------------------------------------- */
/* Instruction definitions                                                                        */
/* ---------------------------------------------------------------------------------------------- */

#ifdef ZYDIS_MINIMAL_MODE
#   define ZYDIS_NOTMIN(x)
#else
#   define ZYDIS_NOTMIN(x) , x
#endif

#include "zydis/Zydis/Generated/InstructionDefinitions.inc"

#undef ZYDIS_NOTMIN

/* ---------------------------------------------------------------------------------------------- */
/* Operand definitions                                                                            */
/* ---------------------------------------------------------------------------------------------- */

#define ZYDIS_OPERAND_DEFINITION(type, encoding, access) \
    { type, encoding, access }

#include "zydis/Zydis/Generated/OperandDefinitions.inc"

#undef ZYDIS_OPERAND_DEFINITION

/* ---------------------------------------------------------------------------------------------- */
/* Accessed CPU flags                                                                             */
/* ---------------------------------------------------------------------------------------------- */

#include "zydis/Zydis/Generated/AccessedFlags.inc"

/* ---------------------------------------------------------------------------------------------- */

/* ============================================================================================== */
/* Functions                                                                                      */
/* ============================================================================================== */

/* ---------------------------------------------------------------------------------------------- */
/* Instruction definition                                                                         */
/* ---------------------------------------------------------------------------------------------- */

void ZydisGetInstructionDefinition(ZydisInstructionEncoding encoding, ZyanU16 id,
    const ZydisInstructionDefinition** definition)
{
    switch (encoding)
    {
    case ZYDIS_INSTRUCTION_ENCODING_LEGACY:
        *definition = (ZydisInstructionDefinition*)&ISTR_DEFINITIONS_LEGACY[id];
        break;
    case ZYDIS_INSTRUCTION_ENCODING_3DNOW:
        *definition = (ZydisInstructionDefinition*)&ISTR_DEFINITIONS_3DNOW[id];
        break;
    case ZYDIS_INSTRUCTION_ENCODING_XOP:
        *definition = (ZydisInstructionDefinition*)&ISTR_DEFINITIONS_XOP[id];
        break;
    case ZYDIS_INSTRUCTION_ENCODING_VEX:
        *definition = (ZydisInstructionDefinition*)&ISTR_DEFINITIONS_VEX[id];
        break;
#ifndef ZYDIS_DISABLE_AVX512
    case ZYDIS_INSTRUCTION_ENCODING_EVEX:
        *definition = (ZydisInstructionDefinition*)&ISTR_DEFINITIONS_EVEX[id];
        break;
#endif
#ifndef ZYDIS_DISABLE_KNC
    case ZYDIS_INSTRUCTION_ENCODING_MVEX:
        *definition = (ZydisInstructionDefinition*)&ISTR_DEFINITIONS_MVEX[id];
        break;
#endif
    default:
        ZYAN_UNREACHABLE;
    }
}

/* ---------------------------------------------------------------------------------------------- */
/* Operand definition                                                                             */
/* ---------------------------------------------------------------------------------------------- */

#ifndef ZYDIS_MINIMAL_MODE
const ZydisOperandDefinition* ZydisGetOperandDefinitions(
    const ZydisInstructionDefinition* definition)
{
    if (definition->operand_count == 0)
    {
        return ZYAN_NULL;
    }
    ZYAN_ASSERT(definition->operand_reference != 0xFFFF);
    return &OPERAND_DEFINITIONS[definition->operand_reference];
}
#endif

/* ---------------------------------------------------------------------------------------------- */
/* Element info                                                                                   */
/* ---------------------------------------------------------------------------------------------- */

#ifndef ZYDIS_MINIMAL_MODE
void ZydisGetElementInfo(ZydisInternalElementType element, ZydisElementType* type,
    ZydisElementSize* size)
{
    static const struct
    {
        ZydisElementType type;
        ZydisElementSize size;
    } lookup[ZYDIS_IELEMENT_TYPE_MAX_VALUE + 1] =
    {
        { ZYDIS_ELEMENT_TYPE_INVALID  ,   0 },
        { ZYDIS_ELEMENT_TYPE_INVALID  ,   0 },
        { ZYDIS_ELEMENT_TYPE_STRUCT   ,   0 },
        { ZYDIS_ELEMENT_TYPE_INT      ,   0 },
        { ZYDIS_ELEMENT_TYPE_UINT     ,   0 },
        { ZYDIS_ELEMENT_TYPE_INT      ,   1 },
        { ZYDIS_ELEMENT_TYPE_INT      ,   8 },
        { ZYDIS_ELEMENT_TYPE_INT      ,  16 },
        { ZYDIS_ELEMENT_TYPE_INT      ,  32 },
        { ZYDIS_ELEMENT_TYPE_INT      ,  64 },
        { ZYDIS_ELEMENT_TYPE_UINT     ,   8 },
        { ZYDIS_ELEMENT_TYPE_UINT     ,  16 },
        { ZYDIS_ELEMENT_TYPE_UINT     ,  32 },
        { ZYDIS_ELEMENT_TYPE_UINT     ,  64 },
        { ZYDIS_ELEMENT_TYPE_UINT     , 128 },
        { ZYDIS_ELEMENT_TYPE_UINT     , 256 },
        { ZYDIS_ELEMENT_TYPE_FLOAT16  ,  16 },
        { ZYDIS_ELEMENT_TYPE_FLOAT16  ,  32 }, // TODO: Should indicate 2 float16 elements
        { ZYDIS_ELEMENT_TYPE_FLOAT32  ,  32 },
        { ZYDIS_ELEMENT_TYPE_FLOAT64  ,  64 },
        { ZYDIS_ELEMENT_TYPE_FLOAT80  ,  80 },
        { ZYDIS_ELEMENT_TYPE_LONGBCD  ,  80 },
        { ZYDIS_ELEMENT_TYPE_CC       ,   3 },
        { ZYDIS_ELEMENT_TYPE_CC       ,   5 }
    };

    ZYAN_ASSERT((ZyanUSize)element < ZYAN_ARRAY_LENGTH(lookup));

    *type = lookup[element].type;
    *size = lookup[element].size;
}
#endif

/* ---------------------------------------------------------------------------------------------- */
/* Accessed CPU flags                                                                             */
/* ---------------------------------------------------------------------------------------------- */

#ifndef ZYDIS_MINIMAL_MODE
ZyanBool ZydisGetAccessedFlags(const ZydisInstructionDefinition* definition,
    const ZydisDefinitionAccessedFlags** flags)
{
    ZYAN_ASSERT(definition->flags_reference < ZYAN_ARRAY_LENGTH(ACCESSED_FLAGS));
    *flags = &ACCESSED_FLAGS[definition->flags_reference];
    return (definition->flags_reference != 0);
}
#endif

/* ---------------------------------------------------------------------------------------------- */

/* ============================================================================================== */