/*
  *  ClamAV bytecode definitions.
  *
  *  Copyright (C) 2009 Sourcefire, Inc.
  *
  *  Authors: Török Edvin
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  *
  *  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., 51 Franklin Street, Fifth Floor, Boston,
  *  MA 02110-1301, USA.
  */
 #ifndef CLAMBC_H
 #define CLAMBC_H
 
 struct bytecode_metadata {
   unsigned long maxStack, maxMem;
   unsigned long maxTime;

   char *targetExclude;

 };
 
 #define BC_FUNC_LEVEL 1
 #define BC_HEADER "ClamBC"
 
 enum bc_opcode {
   OP_ADD=1,
   OP_SUB,
   OP_MUL,
   OP_UDIV,
   OP_SDIV,
   OP_UREM,
   OP_SREM,
   OP_SHL,
   OP_LSHR,
   OP_ASHR,
   OP_AND,
   OP_OR,
   OP_XOR,
 
   OP_TRUNC,
   OP_SEXT,
   OP_ZEXT,

 
   OP_BRANCH,
   OP_JMP,

   OP_RET,
 
   OP_ICMP_EQ,
   OP_ICMP_NE,
   OP_ICMP_UGT,
   OP_ICMP_UGE,
   OP_ICMP_ULT,
   OP_ICMP_ULE,
   OP_ICMP_SGT,
   OP_ICMP_SGE,
   OP_ICMP_SLE,
   OP_ICMP_SLT,
   OP_SELECT,

   OP_CALL_DIRECT,

   OP_CALL_API,

   OP_COPY,

   OP_GEP1,
   OP_GEP2,
   OP_GEPN,
   OP_STORE,
   OP_LOAD,

   OP_INVALID /* last */
 };
 
 static const unsigned char operand_counts[] = {
   0,
   /* ADD -> XOR */
   2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
   /* TRUNC -> ZEXT */

   1, 1, 1,

   /* BRANCH, JMP, RET */
   3, 1, 1,

   /* ICMP */
   2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
   /* SELECT */

   3,
   /* CALLs have variable number of operands */

   0, 0,

   /* OP_COPY */

   2,
   /* OP_GEP1, OP_GEP2, OP_GEPN, OP_STORE, OP_LOAD*/
   2, 3, 0, 2, 1

 };

 
 #define BC_START_TID 69
 

 #endif