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eb13296c MH |
1 | #ifndef _ASM_X86_INAT_H |
2 | #define _ASM_X86_INAT_H | |
3 | /* | |
4 | * x86 instruction attributes | |
5 | * | |
6 | * Written by Masami Hiramatsu <mhiramat@redhat.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
21 | * | |
22 | */ | |
23 | #include <asm/inat_types.h> | |
24 | ||
25 | /* | |
26 | * Internal bits. Don't use bitmasks directly, because these bits are | |
27 | * unstable. You should use checking functions. | |
28 | */ | |
29 | ||
30 | #define INAT_OPCODE_TABLE_SIZE 256 | |
31 | #define INAT_GROUP_TABLE_SIZE 8 | |
32 | ||
04d46c1b | 33 | /* Legacy last prefixes */ |
eb13296c | 34 | #define INAT_PFX_OPNDSZ 1 /* 0x66 */ /* LPFX1 */ |
e0e492e9 MH |
35 | #define INAT_PFX_REPE 2 /* 0xF3 */ /* LPFX2 */ |
36 | #define INAT_PFX_REPNE 3 /* 0xF2 */ /* LPFX3 */ | |
04d46c1b | 37 | /* Other Legacy prefixes */ |
eb13296c MH |
38 | #define INAT_PFX_LOCK 4 /* 0xF0 */ |
39 | #define INAT_PFX_CS 5 /* 0x2E */ | |
40 | #define INAT_PFX_DS 6 /* 0x3E */ | |
41 | #define INAT_PFX_ES 7 /* 0x26 */ | |
42 | #define INAT_PFX_FS 8 /* 0x64 */ | |
43 | #define INAT_PFX_GS 9 /* 0x65 */ | |
44 | #define INAT_PFX_SS 10 /* 0x36 */ | |
45 | #define INAT_PFX_ADDRSZ 11 /* 0x67 */ | |
04d46c1b MH |
46 | /* x86-64 REX prefix */ |
47 | #define INAT_PFX_REX 12 /* 0x4X */ | |
e0e492e9 MH |
48 | /* AVX VEX prefixes */ |
49 | #define INAT_PFX_VEX2 13 /* 2-bytes VEX prefix */ | |
50 | #define INAT_PFX_VEX3 14 /* 3-bytes VEX prefix */ | |
eb13296c | 51 | |
04d46c1b MH |
52 | #define INAT_LSTPFX_MAX 3 |
53 | #define INAT_LGCPFX_MAX 11 | |
eb13296c MH |
54 | |
55 | /* Immediate size */ | |
56 | #define INAT_IMM_BYTE 1 | |
57 | #define INAT_IMM_WORD 2 | |
58 | #define INAT_IMM_DWORD 3 | |
59 | #define INAT_IMM_QWORD 4 | |
60 | #define INAT_IMM_PTR 5 | |
61 | #define INAT_IMM_VWORD32 6 | |
62 | #define INAT_IMM_VWORD 7 | |
63 | ||
64 | /* Legacy prefix */ | |
65 | #define INAT_PFX_OFFS 0 | |
66 | #define INAT_PFX_BITS 4 | |
67 | #define INAT_PFX_MAX ((1 << INAT_PFX_BITS) - 1) | |
68 | #define INAT_PFX_MASK (INAT_PFX_MAX << INAT_PFX_OFFS) | |
69 | /* Escape opcodes */ | |
70 | #define INAT_ESC_OFFS (INAT_PFX_OFFS + INAT_PFX_BITS) | |
71 | #define INAT_ESC_BITS 2 | |
72 | #define INAT_ESC_MAX ((1 << INAT_ESC_BITS) - 1) | |
73 | #define INAT_ESC_MASK (INAT_ESC_MAX << INAT_ESC_OFFS) | |
74 | /* Group opcodes (1-16) */ | |
75 | #define INAT_GRP_OFFS (INAT_ESC_OFFS + INAT_ESC_BITS) | |
76 | #define INAT_GRP_BITS 5 | |
77 | #define INAT_GRP_MAX ((1 << INAT_GRP_BITS) - 1) | |
78 | #define INAT_GRP_MASK (INAT_GRP_MAX << INAT_GRP_OFFS) | |
79 | /* Immediates */ | |
80 | #define INAT_IMM_OFFS (INAT_GRP_OFFS + INAT_GRP_BITS) | |
81 | #define INAT_IMM_BITS 3 | |
82 | #define INAT_IMM_MASK (((1 << INAT_IMM_BITS) - 1) << INAT_IMM_OFFS) | |
83 | /* Flags */ | |
84 | #define INAT_FLAG_OFFS (INAT_IMM_OFFS + INAT_IMM_BITS) | |
04d46c1b MH |
85 | #define INAT_MODRM (1 << (INAT_FLAG_OFFS)) |
86 | #define INAT_FORCE64 (1 << (INAT_FLAG_OFFS + 1)) | |
87 | #define INAT_SCNDIMM (1 << (INAT_FLAG_OFFS + 2)) | |
88 | #define INAT_MOFFSET (1 << (INAT_FLAG_OFFS + 3)) | |
89 | #define INAT_VARIANT (1 << (INAT_FLAG_OFFS + 4)) | |
e0e492e9 MH |
90 | #define INAT_VEXOK (1 << (INAT_FLAG_OFFS + 5)) |
91 | #define INAT_VEXONLY (1 << (INAT_FLAG_OFFS + 6)) | |
eb13296c MH |
92 | /* Attribute making macros for attribute tables */ |
93 | #define INAT_MAKE_PREFIX(pfx) (pfx << INAT_PFX_OFFS) | |
94 | #define INAT_MAKE_ESCAPE(esc) (esc << INAT_ESC_OFFS) | |
95 | #define INAT_MAKE_GROUP(grp) ((grp << INAT_GRP_OFFS) | INAT_MODRM) | |
96 | #define INAT_MAKE_IMM(imm) (imm << INAT_IMM_OFFS) | |
97 | ||
98 | /* Attribute search APIs */ | |
99 | extern insn_attr_t inat_get_opcode_attribute(insn_byte_t opcode); | |
f8d98f10 | 100 | extern int inat_get_last_prefix_id(insn_byte_t last_pfx); |
eb13296c | 101 | extern insn_attr_t inat_get_escape_attribute(insn_byte_t opcode, |
f8d98f10 | 102 | int lpfx_id, |
eb13296c MH |
103 | insn_attr_t esc_attr); |
104 | extern insn_attr_t inat_get_group_attribute(insn_byte_t modrm, | |
f8d98f10 | 105 | int lpfx_id, |
eb13296c | 106 | insn_attr_t esc_attr); |
e0e492e9 MH |
107 | extern insn_attr_t inat_get_avx_attribute(insn_byte_t opcode, |
108 | insn_byte_t vex_m, | |
109 | insn_byte_t vex_pp); | |
eb13296c MH |
110 | |
111 | /* Attribute checking functions */ | |
04d46c1b | 112 | static inline int inat_is_legacy_prefix(insn_attr_t attr) |
eb13296c | 113 | { |
04d46c1b MH |
114 | attr &= INAT_PFX_MASK; |
115 | return attr && attr <= INAT_LGCPFX_MAX; | |
eb13296c MH |
116 | } |
117 | ||
118 | static inline int inat_is_address_size_prefix(insn_attr_t attr) | |
119 | { | |
120 | return (attr & INAT_PFX_MASK) == INAT_PFX_ADDRSZ; | |
121 | } | |
122 | ||
123 | static inline int inat_is_operand_size_prefix(insn_attr_t attr) | |
124 | { | |
125 | return (attr & INAT_PFX_MASK) == INAT_PFX_OPNDSZ; | |
126 | } | |
127 | ||
04d46c1b MH |
128 | static inline int inat_is_rex_prefix(insn_attr_t attr) |
129 | { | |
130 | return (attr & INAT_PFX_MASK) == INAT_PFX_REX; | |
131 | } | |
132 | ||
eb13296c MH |
133 | static inline int inat_last_prefix_id(insn_attr_t attr) |
134 | { | |
04d46c1b | 135 | if ((attr & INAT_PFX_MASK) > INAT_LSTPFX_MAX) |
eb13296c MH |
136 | return 0; |
137 | else | |
138 | return attr & INAT_PFX_MASK; | |
139 | } | |
140 | ||
e0e492e9 MH |
141 | static inline int inat_is_vex_prefix(insn_attr_t attr) |
142 | { | |
143 | attr &= INAT_PFX_MASK; | |
144 | return attr == INAT_PFX_VEX2 || attr == INAT_PFX_VEX3; | |
145 | } | |
146 | ||
147 | static inline int inat_is_vex3_prefix(insn_attr_t attr) | |
148 | { | |
149 | return (attr & INAT_PFX_MASK) == INAT_PFX_VEX3; | |
150 | } | |
151 | ||
eb13296c MH |
152 | static inline int inat_is_escape(insn_attr_t attr) |
153 | { | |
154 | return attr & INAT_ESC_MASK; | |
155 | } | |
156 | ||
157 | static inline int inat_escape_id(insn_attr_t attr) | |
158 | { | |
159 | return (attr & INAT_ESC_MASK) >> INAT_ESC_OFFS; | |
160 | } | |
161 | ||
162 | static inline int inat_is_group(insn_attr_t attr) | |
163 | { | |
164 | return attr & INAT_GRP_MASK; | |
165 | } | |
166 | ||
167 | static inline int inat_group_id(insn_attr_t attr) | |
168 | { | |
169 | return (attr & INAT_GRP_MASK) >> INAT_GRP_OFFS; | |
170 | } | |
171 | ||
172 | static inline int inat_group_common_attribute(insn_attr_t attr) | |
173 | { | |
174 | return attr & ~INAT_GRP_MASK; | |
175 | } | |
176 | ||
177 | static inline int inat_has_immediate(insn_attr_t attr) | |
178 | { | |
179 | return attr & INAT_IMM_MASK; | |
180 | } | |
181 | ||
182 | static inline int inat_immediate_size(insn_attr_t attr) | |
183 | { | |
184 | return (attr & INAT_IMM_MASK) >> INAT_IMM_OFFS; | |
185 | } | |
186 | ||
eb13296c MH |
187 | static inline int inat_has_modrm(insn_attr_t attr) |
188 | { | |
189 | return attr & INAT_MODRM; | |
190 | } | |
191 | ||
192 | static inline int inat_is_force64(insn_attr_t attr) | |
193 | { | |
194 | return attr & INAT_FORCE64; | |
195 | } | |
196 | ||
197 | static inline int inat_has_second_immediate(insn_attr_t attr) | |
198 | { | |
199 | return attr & INAT_SCNDIMM; | |
200 | } | |
201 | ||
202 | static inline int inat_has_moffset(insn_attr_t attr) | |
203 | { | |
204 | return attr & INAT_MOFFSET; | |
205 | } | |
206 | ||
207 | static inline int inat_has_variant(insn_attr_t attr) | |
208 | { | |
209 | return attr & INAT_VARIANT; | |
210 | } | |
211 | ||
e0e492e9 MH |
212 | static inline int inat_accept_vex(insn_attr_t attr) |
213 | { | |
214 | return attr & INAT_VEXOK; | |
215 | } | |
216 | ||
217 | static inline int inat_must_vex(insn_attr_t attr) | |
218 | { | |
219 | return attr & INAT_VEXONLY; | |
220 | } | |
eb13296c | 221 | #endif |