/*
 * 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.
 *
 */
#ifdef __KERNEL__
#include <linux/string.h>
#include <linux/module.h>
#include <asm/insn.h>
#else
#include "insn.h"
#include "inat.h"
#endif

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

/* Attribute search APIs */
insn_attr_t inat_get_opcode_attribute(u8 opcode)
{
	return inat_primary_table[opcode];
}

insn_attr_t inat_get_escape_attribute(u8 opcode, u8 last_pfx,
				      insn_attr_t esc_attr)
{
	const insn_attr_t *table;
	insn_attr_t lpfx_attr = inat_get_opcode_attribute(last_pfx);
	int n, m;

	n = INAT_ESCAPE_NUM(esc_attr);
	m = INAT_LPREFIX_NUM(lpfx_attr);
	table = inat_escape_tables[n][0];
	if (!table)
		return 0;
	if (INAT_HAS_VARIANT(table[opcode]) && m) {
		table = inat_escape_tables[n][m];
		if (!table)
			return 0;
	}
	return table[opcode];
}

#define REGBITS(modrm) (((modrm) >> 3) & 0x7)

insn_attr_t inat_get_group_attribute(u8 modrm, u8 last_pfx,
				     insn_attr_t grp_attr)
{
	const insn_attr_t *table;
	insn_attr_t lpfx_attr = inat_get_opcode_attribute(last_pfx);
	int n, m;

	n = INAT_GROUP_NUM(grp_attr);
	m = INAT_LPREFIX_NUM(lpfx_attr);
	table = inat_group_tables[n][0];
	if (!table)
		return INAT_GROUP_COMMON(grp_attr);
	if (INAT_HAS_VARIANT(table[REGBITS(modrm)]) && m) {
		table = inat_escape_tables[n][m];
		if (!table)
			return INAT_GROUP_COMMON(grp_attr);
	}
	return table[REGBITS(modrm)] | INAT_GROUP_COMMON(grp_attr);
}