cregit-Linux how code gets into the kernel

Release 4.14 arch/x86/lib/inat.c

Directory: arch/x86/lib
/*
 * x86 instruction attribute tables
 *
 * Written by Masami Hiramatsu <mhiramat@redhat.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */
#include <asm/insn.h>

/* Attribute tables are generated from opcode map */
#include "inat-tables.c"

/* Attribute search APIs */

insn_attr_t inat_get_opcode_attribute(insn_byte_t opcode) { return inat_primary_table[opcode]; }

Contributors

PersonTokensPropCommitsCommitProp
Masami Hiramatsu14100.00%1100.00%
Total14100.00%1100.00%


int inat_get_last_prefix_id(insn_byte_t last_pfx) { insn_attr_t lpfx_attr; lpfx_attr = inat_get_opcode_attribute(last_pfx); return inat_last_prefix_id(lpfx_attr); }

Contributors

PersonTokensPropCommitsCommitProp
Masami Hiramatsu24100.00%1100.00%
Total24100.00%1100.00%


insn_attr_t inat_get_escape_attribute(insn_byte_t opcode, int lpfx_id, insn_attr_t esc_attr) { const insn_attr_t *table; int n; n = inat_escape_id(esc_attr); table = inat_escape_tables[n][0]; if (!table) return 0; if (inat_has_variant(table[opcode]) && lpfx_id) { table = inat_escape_tables[n][lpfx_id]; if (!table) return 0; } return table[opcode]; }

Contributors

PersonTokensPropCommitsCommitProp
Masami Hiramatsu85100.00%2100.00%
Total85100.00%2100.00%


insn_attr_t inat_get_group_attribute(insn_byte_t modrm, int lpfx_id, insn_attr_t grp_attr) { const insn_attr_t *table; int n; n = inat_group_id(grp_attr); table = inat_group_tables[n][0]; if (!table) return inat_group_common_attribute(grp_attr); if (inat_has_variant(table[X86_MODRM_REG(modrm)]) && lpfx_id) { table = inat_group_tables[n][lpfx_id]; if (!table) return inat_group_common_attribute(grp_attr); } return table[X86_MODRM_REG(modrm)] | inat_group_common_attribute(grp_attr); }

Contributors

PersonTokensPropCommitsCommitProp
Masami Hiramatsu102100.00%3100.00%
Total102100.00%3100.00%


insn_attr_t inat_get_avx_attribute(insn_byte_t opcode, insn_byte_t vex_m, insn_byte_t vex_p) { const insn_attr_t *table; if (vex_m > X86_VEX_M_MAX || vex_p > INAT_LSTPFX_MAX) return 0; /* At first, this checks the master table */ table = inat_avx_tables[vex_m][0]; if (!table) return 0; if (!inat_is_group(table[opcode]) && vex_p) { /* If this is not a group, get attribute directly */ table = inat_avx_tables[vex_m][vex_p]; if (!table) return 0; } return table[opcode]; }

Contributors

PersonTokensPropCommitsCommitProp
Masami Hiramatsu91100.00%2100.00%
Total91100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Masami Hiramatsu325100.00%5100.00%
Total325100.00%5100.00%
Directory: arch/x86/lib
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