Adrian Hunter | 237fae7 | 2015-08-13 10:14:55 +0300 | [diff] [blame] | 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 | */ |
Adrian Hunter | 5839a55 | 2015-08-21 22:05:58 +0300 | [diff] [blame] | 21 | #include "insn.h" |
Adrian Hunter | 237fae7 | 2015-08-13 10:14:55 +0300 | [diff] [blame] | 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 | } |