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442f04c3 JP |
1 | /* |
2 | * x86 instruction attribute tables | |
3 | * | |
4 | * Written by Masami Hiramatsu <mhiramat@redhat.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | * | |
20 | */ | |
21 | #include "insn.h" | |
22 | ||
23 | /* Attribute tables are generated from opcode map */ | |
24 | #include "inat-tables.c" | |
25 | ||
26 | /* Attribute search APIs */ | |
27 | insn_attr_t inat_get_opcode_attribute(insn_byte_t opcode) | |
28 | { | |
29 | return inat_primary_table[opcode]; | |
30 | } | |
31 | ||
32 | int inat_get_last_prefix_id(insn_byte_t last_pfx) | |
33 | { | |
34 | insn_attr_t lpfx_attr; | |
35 | ||
36 | lpfx_attr = inat_get_opcode_attribute(last_pfx); | |
37 | return inat_last_prefix_id(lpfx_attr); | |
38 | } | |
39 | ||
40 | insn_attr_t inat_get_escape_attribute(insn_byte_t opcode, int lpfx_id, | |
41 | insn_attr_t esc_attr) | |
42 | { | |
43 | const insn_attr_t *table; | |
44 | int n; | |
45 | ||
46 | n = inat_escape_id(esc_attr); | |
47 | ||
48 | table = inat_escape_tables[n][0]; | |
49 | if (!table) | |
50 | return 0; | |
51 | if (inat_has_variant(table[opcode]) && lpfx_id) { | |
52 | table = inat_escape_tables[n][lpfx_id]; | |
53 | if (!table) | |
54 | return 0; | |
55 | } | |
56 | return table[opcode]; | |
57 | } | |
58 | ||
59 | insn_attr_t inat_get_group_attribute(insn_byte_t modrm, int lpfx_id, | |
60 | insn_attr_t grp_attr) | |
61 | { | |
62 | const insn_attr_t *table; | |
63 | int n; | |
64 | ||
65 | n = inat_group_id(grp_attr); | |
66 | ||
67 | table = inat_group_tables[n][0]; | |
68 | if (!table) | |
69 | return inat_group_common_attribute(grp_attr); | |
70 | if (inat_has_variant(table[X86_MODRM_REG(modrm)]) && lpfx_id) { | |
71 | table = inat_group_tables[n][lpfx_id]; | |
72 | if (!table) | |
73 | return inat_group_common_attribute(grp_attr); | |
74 | } | |
75 | return table[X86_MODRM_REG(modrm)] | | |
76 | inat_group_common_attribute(grp_attr); | |
77 | } | |
78 | ||
79 | insn_attr_t inat_get_avx_attribute(insn_byte_t opcode, insn_byte_t vex_m, | |
80 | insn_byte_t vex_p) | |
81 | { | |
82 | const insn_attr_t *table; | |
83 | if (vex_m > X86_VEX_M_MAX || vex_p > INAT_LSTPFX_MAX) | |
84 | return 0; | |
85 | /* At first, this checks the master table */ | |
86 | table = inat_avx_tables[vex_m][0]; | |
87 | if (!table) | |
88 | return 0; | |
89 | if (!inat_is_group(table[opcode]) && vex_p) { | |
90 | /* If this is not a group, get attribute directly */ | |
91 | table = inat_avx_tables[vex_m][vex_p]; | |
92 | if (!table) | |
93 | return 0; | |
94 | } | |
95 | return table[opcode]; | |
96 | } | |
97 |