示例#1
0
/* =============================================================================
 * translates to intel syntax 
 * =============================================================================
 */
extern void ud_translate_intel(struct ud* u)
{
  /* -- prefixes -- */

  /* check if P_OSO prefix is used */
  if (! P_OSO(u->itab_entry->prefix) && u->pfx_opr) {
	switch (u->dis_mode) {
		case 16: 
			mkasm(u, "o32 ");
			break;
		case 32:
		case 64:
 			mkasm(u, "o16 ");
			break;
	}
  }

  /* check if P_ASO prefix was used */
  if (! P_ASO(u->itab_entry->prefix) && u->pfx_adr) {
	switch (u->dis_mode) {
		case 16: 
			mkasm(u, "a32 ");
			break;
		case 32:
 			mkasm(u, "a16 ");
			break;
		case 64:
 			mkasm(u, "a32 ");
			break;
	}
  }

  if (u->pfx_lock)
	mkasm(u, "lock ");
  if (u->pfx_rep)
	mkasm(u, "rep ");
  if (u->pfx_repne)
	mkasm(u, "repne ");
  if (u->implicit_addr && u->pfx_seg)
	mkasm(u, "%s ", ud_reg_tab[u->pfx_seg - UD_R_AL]);

  /* print the instruction mnemonic */
  mkasm(u, "%s ", ud_lookup_mnemonic(u->mnemonic));

  /* operand 1 */
  if (u->operand[0].type != UD_NONE) {
	gen_operand(u, &u->operand[0], u->c1);
  }
  /* operand 2 */
  if (u->operand[1].type != UD_NONE) {
	mkasm(u, ", ");
	gen_operand(u, &u->operand[1], u->c2);
  }

  /* operand 3 */
  if (u->operand[2].type != UD_NONE) {
	mkasm(u, ", ");
	gen_operand(u, &u->operand[2], u->c3);
  }
}
示例#2
0
文件: syn-att.c 项目: 7kbird/chrome
/* =============================================================================
 * translates to AT&T syntax 
 * =============================================================================
 */
extern void 
ud_translate_att(struct ud *u)
{
  int size = 0;
  int star = 0;

  /* check if P_OSO prefix is used */
  if (! P_OSO(u->itab_entry->prefix) && u->pfx_opr) {
  switch (u->dis_mode) {
    case 16: 
      ud_asmprintf(u, "o32 ");
      break;
    case 32:
    case 64:
      ud_asmprintf(u, "o16 ");
      break;
  }
  }

  /* check if P_ASO prefix was used */
  if (! P_ASO(u->itab_entry->prefix) && u->pfx_adr) {
  switch (u->dis_mode) {
    case 16: 
      ud_asmprintf(u, "a32 ");
      break;
    case 32:
      ud_asmprintf(u, "a16 ");
      break;
    case 64:
      ud_asmprintf(u, "a32 ");
      break;
  }
  }

  if (u->pfx_lock)
    ud_asmprintf(u,  "lock ");
  if (u->pfx_rep) {
    ud_asmprintf(u, "rep ");
  } else if (u->pfx_rep) {
    ud_asmprintf(u, "repe ");
  } else if (u->pfx_repne) {
    ud_asmprintf(u, "repne ");
  }

  /* special instructions */
  switch (u->mnemonic) {
  case UD_Iretf: 
    ud_asmprintf(u, "lret "); 
    break;
  case UD_Idb:
    ud_asmprintf(u, ".byte 0x%x", u->operand[0].lval.ubyte);
    return;
  case UD_Ijmp:
  case UD_Icall:
    if (u->br_far) ud_asmprintf(u,  "l");
        if (u->operand[0].type == UD_OP_REG) {
          star = 1;
        }
    ud_asmprintf(u, "%s", ud_lookup_mnemonic(u->mnemonic));
    break;
  case UD_Ibound:
  case UD_Ienter:
    if (u->operand[0].type != UD_NONE)
      gen_operand(u, &u->operand[0]);
    if (u->operand[1].type != UD_NONE) {
      ud_asmprintf(u, ",");
      gen_operand(u, &u->operand[1]);
    }
    return;
  default:
    ud_asmprintf(u, "%s", ud_lookup_mnemonic(u->mnemonic));
  }

  if (size == 8)
  ud_asmprintf(u, "b");
  else if (size == 16)
  ud_asmprintf(u, "w");
  else if (size == 64)
  ud_asmprintf(u, "q");

  if (star) {
    ud_asmprintf(u, " *");
  } else {
    ud_asmprintf(u, " ");
  }

  if (u->operand[2].type != UD_NONE) {
  gen_operand(u, &u->operand[2]);
  ud_asmprintf(u, ", ");
  }

  if (u->operand[1].type != UD_NONE) {
  gen_operand(u, &u->operand[1]);
  ud_asmprintf(u, ", ");
  }

  if (u->operand[0].type != UD_NONE)
  gen_operand(u, &u->operand[0]);
}
示例#3
0
/* =============================================================================
 * translates to intel syntax 
 * =============================================================================
 */
extern void
ud_translate_intel(struct ud* u)
{
  /* check if P_OSO prefix is used */
  if (!P_OSO(u->itab_entry->prefix) && u->pfx_opr) {
    switch (u->dis_mode) {
    case 16: ud_asmprintf(u, "o32 "); break;
    case 32:
    case 64: ud_asmprintf(u, "o16 "); break;
    }
  }

  /* check if P_ASO prefix was used */
  if (!P_ASO(u->itab_entry->prefix) && u->pfx_adr) {
    switch (u->dis_mode) {
    case 16: ud_asmprintf(u, "a32 "); break;
    case 32: ud_asmprintf(u, "a16 "); break;
    case 64: ud_asmprintf(u, "a32 "); break;
    }
  }

  if (u->pfx_seg &&
      u->operand[0].type != UD_OP_MEM &&
      u->operand[1].type != UD_OP_MEM ) {
    ud_asmprintf(u, "%s ", ud_reg_tab[u->pfx_seg - UD_R_AL]);
  }

  if (u->pfx_lock) {
    ud_asmprintf(u, "lock ");
  }
  if (u->pfx_rep) {
    ud_asmprintf(u, "rep ");
  } else if (u->pfx_repe) {
    ud_asmprintf(u, "repe ");
  } else if (u->pfx_repne) {
    ud_asmprintf(u, "repne ");
  }

  /* print the instruction mnemonic */
  ud_asmprintf(u, "%s", ud_lookup_mnemonic(u->mnemonic));

  if (u->operand[0].type != UD_NONE) {
    int cast = 0;
    ud_asmprintf(u, " ");
    if (u->operand[0].type == UD_OP_MEM) {
      if (u->operand[1].type == UD_OP_IMM   ||
          u->operand[1].type == UD_OP_CONST ||
          u->operand[1].type == UD_NONE     ||
          (u->operand[0].size != u->operand[1].size)) {
          cast = 1;
      } else if (u->operand[1].type == UD_OP_REG &&
                 u->operand[1].base == UD_R_CL) {
          switch (u->mnemonic) {
          case UD_Ircl:
          case UD_Irol:
          case UD_Iror:
          case UD_Ircr:
          case UD_Ishl:
          case UD_Ishr:
          case UD_Isar:
              cast = 1;
              break;
          default: break;
          }
      }
    }
    gen_operand(u, &u->operand[0], cast);
  }

  if (u->operand[1].type != UD_NONE) {
    int cast = 0;
    ud_asmprintf(u, ", ");
    if (u->operand[1].type == UD_OP_MEM &&
        u->operand[0].size != u->operand[1].size && 
        !ud_opr_is_sreg(&u->operand[0])) {
      cast = 1;
    }
    gen_operand(u, &u->operand[1], cast);
  }

  if (u->operand[2].type != UD_NONE) {
    int cast = 0;
    ud_asmprintf(u, ", ");
    if (u->operand[2].type == UD_OP_MEM &&
        u->operand[2].size != u->operand[1].size) {
      cast = 1;
    }
    gen_operand(u, &u->operand[2], cast);
  }

  if (u->operand[3].type != UD_NONE) {
    ud_asmprintf(u, ", ");
    gen_operand(u, &u->operand[3], 0);
  }
}
示例#4
0
/* =============================================================================
 * translates to intel syntax 
 * =============================================================================
 */
extern void ud_translate_intel(struct ud* u)
{
  /* -- prefixes -- */

  /* check if P_OSO prefix is used */
  if (! P_OSO(u->itab_entry->prefix) && u->pfx_opr) {
	switch (u->dis_mode) {
		case 16: 
			mkasm(u, "o32 ");
			break;
		case 32:
		case 64:
 			mkasm(u, "o16 ");
			break;
	}
  }

  /* check if P_ASO prefix was used */
  if (! P_ASO(u->itab_entry->prefix) && u->pfx_adr) {
	switch (u->dis_mode) {
		case 16: 
			mkasm(u, "a32 ");
			break;
		case 32:
 			mkasm(u, "a16 ");
			break;
		case 64:
 			mkasm(u, "a32 ");
			break;
	}
  }

  if ( u->pfx_seg &&
        u->operand[0].type != UD_OP_MEM &&
        u->operand[1].type != UD_OP_MEM ) {
	   mkasm(u, "%s ", ud_reg_tab[u->pfx_seg - UD_R_AL]);
    }
  if (u->pfx_lock)
	mkasm(u, "lock ");
  if (u->pfx_rep)
	mkasm(u, "rep ");
  if (u->pfx_repne)
	mkasm(u, "repne ");

  /* print the instruction mnemonic */
  mkasm(u, "%s ", ud_lookup_mnemonic(u->mnemonic));

  /* operand 1 */
  if (u->operand[0].type != UD_NONE) {
    int cast = 0;
    if ( u->operand[0].type == UD_OP_IMM &&
         u->operand[1].type == UD_NONE )
        cast = u->c1;
    if ( u->operand[0].type == UD_OP_MEM ) {
        cast = u->c1;
        if ( u->operand[1].type == UD_OP_IMM ||
             u->operand[1].type == UD_OP_CONST ) 
            cast = 1;
        if ( u->operand[1].type == UD_NONE )
            cast = 1;
        if ( ( u->operand[0].size != u->operand[1].size ) && u->operand[1].size )
            cast = 1;
    } else if ( u->operand[ 0 ].type == UD_OP_JIMM ) {
        if ( u->operand[ 0 ].size > 8 ) cast = 1;
    }
	gen_operand(u, &u->operand[0], cast);
  }
  /* operand 2 */
  if (u->operand[1].type != UD_NONE) {
    int cast = 0;
	mkasm(u, ", ");
    if ( u->operand[1].type == UD_OP_MEM ) {
        cast = u->c1;
                
         if ( u->operand[0].type != UD_OP_REG )  
            cast = 1;
         if ( u->operand[0].size != u->operand[1].size && u->operand[1].size )
            cast = 1;
         if ( u->operand[0].type == UD_OP_REG &&
                u->operand[0].base >= UD_R_ES &&
                u->operand[0].base <= UD_R_GS )
            cast = 0;
    }
	gen_operand(u, &u->operand[1], cast );
  }

  /* operand 3 */
  if (u->operand[2].type != UD_NONE) {
	mkasm(u, ", ");
	gen_operand(u, &u->operand[2], u->c3);
  }
}
示例#5
0
/* =============================================================================
 * 翻译为Intel语法
 * =============================================================================
 */
extern void
ud_translate_intel(struct ud *u)
{
  uint16_t st;
  wchar_t stmp[128] = {0};

  /* 检查如果 P_OSO 前缀被使用 */
  if (!P_OSO(u->itab_entry->prefix) && u->pfx_opr) {
    switch (u->dis_mode) {
    case 16: wprintfcat(stmp,128,L"o32 "); break;
    case 32:
    case 64: wprintfcat(stmp,128,L"o16 "); break;
    }
  }

  /* 检查如果 P_ASO 前缀被使用 */
  if (!P_ASO(u->itab_entry->prefix) && u->pfx_adr) {
    switch (u->dis_mode) {
    case 16: wprintfcat(stmp,128,L"a32 "); break;
    case 32: wprintfcat(stmp,128,L"a16 "); break;
    case 64: wprintfcat(stmp,128,L"a32 "); break;
    }
  }

  /* 检查段寄存器 */
  if (u->pfx_seg && u->operand[0].type != UD_OP_MEM && u->operand[1].type != UD_OP_MEM)
    wprintfcat(stmp,128,L"%s ", ud_reg_tab[u->pfx_seg - UD_R_AL]);

  /* 检查 lock 前缀 */
  if (u->pfx_lock)
    wprintfcat(stmp,128,L"lock ");

  if (u->pfx_rep)
    wprintfcat(stmp,128,L"rep ");
  else if (u->pfx_repe)
    wprintfcat(stmp,128,L"repe ");
  else if (u->pfx_repne)
    wprintfcat(stmp,128,L"repne ");

  /* 打印指令助记符 */
  ud_casmprint(u,UDCA_Prefix,3,stmp);

  switch (u->mnemonic)
  {
  case UD_Ipush:                      //栈操作指令
  case UD_Ipop:
    st = UDCA_StackOp;
    break;
  case UD_Ijmp:                       //跳转
    st = UDCA_Jump;
    break;
  case UD_Icall:                      //调用
    st = UDCA_Call;
    break;
  case UD_Iretn:                      //返回
  case UD_Iretf:
    st = UDCA_Ret;
    break;
  case UD_Iint:
  case UD_Iint1:
  case UD_Iint3:
    st = UDCA_Int;
    break;
  default:
    if (u->mnemonic >= UD_Ijo && u->mnemonic <= UD_Ijrcxz)  //条件跳转
      st = UDCA_CJump;
    else if ( (u->mnemonic >= UD_Iemms && u->mnemonic <= UD_Ifyl2xp1) ||
              (u->mnemonic >= UD_Ipacksswb && u->mnemonic <= UD_Ipextrw) ||
              (u->mnemonic == UD_Ipor) ||
              (u->mnemonic >= UD_Ipsadbw && u->mnemonic <= UD_Ipunpckldq) ||
              (u->mnemonic == UD_Ipxor) )         //FPU MMX SSE 寄存器相关指令
      st = UDCA_FMSOp;
    else                                          //普通指令
      st = UDCA_Inst;
  }
  wprintfcat(stmp,128,L"%s", ud_lookup_mnemonic(u->mnemonic));
  ud_casmprint(u,st,3,stmp);

  if (u->operand[0].type != UD_NONE) {
    int cast = 0;
    wprintfcat(stmp,128,L" ");
    ud_casmprint(u,UDCA_Inst,3,stmp);
    if (u->operand[0].type == UD_OP_MEM)
    {
      if (u->operand[1].type == UD_OP_IMM   ||
          u->operand[1].type == UD_OP_CONST ||
          u->operand[1].type == UD_NONE     ||
          (u->operand[0].size != u->operand[1].size && 
           u->operand[1].type != UD_OP_REG))
      {
          cast = 1;
      } else if (u->operand[1].type == UD_OP_REG &&
                 u->operand[1].base == UD_R_CL)
      {
          switch (u->mnemonic)
          {
          case UD_Ircl:
          case UD_Irol:
          case UD_Iror:
          case UD_Ircr:
          case UD_Ishl:
          case UD_Ishr:
          case UD_Isar:
              cast = 1;
              break;
          default: break;
          }
      }
    }
    //默认生成操作数
    gen_operand(u, &u->operand[0], cast,stmp,128);
  }

  if (u->operand[1].type != UD_NONE)
  {
    int cast = 0;
    wprintfcat(stmp,128,L",");
    ud_casmprint(u,UDCA_Inst,3,stmp);
    if (u->operand[1].type == UD_OP_MEM &&
        u->operand[0].size != u->operand[1].size && !ud_opr_is_sreg(&u->operand[0])) {
      cast = 1;
    }
    gen_operand(u, &u->operand[1], cast,stmp,128);
  }

  if (u->operand[2].type != UD_NONE)
  {
    wprintfcat(stmp,128,L",");
    ud_casmprint(u,UDCA_Inst,3,stmp);
    gen_operand(u, &u->operand[2], 0,stmp,128);
  }
  ud_casmprint(u,UDCA_Inst,3,stmp);
}
示例#6
0
/* =============================================================================
 * translates to AT&T syntax 
 * =============================================================================
 */
extern void 
ud_translate_att(struct ud *u)
{
  int size = 0;
  unsigned i;

  /* check if P_OSO prefix is used */
  if (! P_OSO(u->itab_entry->prefix) && u->pfx_opr) {
	switch (u->dis_mode) {
		case 16: 
			mkasm(u, "o32 ");
			break;
		case 32:
		case 64:
 			mkasm(u, "o16 ");
			break;
	}
  }

  /* check if P_ASO prefix was used */
  if (! P_ASO(u->itab_entry->prefix) && u->pfx_adr) {
	switch (u->dis_mode) {
		case 16: 
			mkasm(u, "a32 ");
			break;
		case 32:
 			mkasm(u, "a16 ");
			break;
		case 64:
 			mkasm(u, "a32 ");
			break;
	}
  }

  if (u->pfx_lock)
  	mkasm(u,  "lock ");
  if (u->pfx_rep)
	mkasm(u,  "rep ");
  if (u->pfx_repne)
		mkasm(u,  "repne ");

  /* special instructions */
  switch (u->mnemonic) {
	case UD_Iretf: 
		mkasm(u, "lret "); 
		break;
	case UD_Idb:
		mkasm(u, ".byte 0x%x", u->operand[0].lval.ubyte);
		return;
	case UD_Ijmp:
	case UD_Icall:
		if (u->br_far) mkasm(u,  "l");
		mkasm(u, "%s", ud_lookup_mnemonic(u->mnemonic));
		break;
	case UD_Ibound:
	case UD_Ienter:
		if (u->operand[0].type != UD_NONE)
			gen_operand(u, &u->operand[0]);
		if (u->operand[1].type != UD_NONE) {
			mkasm(u, ",");
			gen_operand(u, &u->operand[1]);
		}
		return;
	default:
		mkasm(u, "%s", ud_lookup_mnemonic(u->mnemonic));
  }

  for (i = 3; i--;) {
      if (u->operand[i].size > size
          && u->operand[i].type != UD_OP_JIMM)
          size = u->operand[i].size;
  }

  if (size == 8)
      mkasm(u, "b");
  else if (size == 16)
      mkasm(u, "w");
  else if (size == 32)
      mkasm(u, "l");
  else if (size == 64)
      mkasm(u, "q");

  mkasm(u, " ");

  if (u->operand[2].type != UD_NONE) {
	gen_operand(u, &u->operand[2]);
	mkasm(u, ", ");
  }

  if (u->operand[1].type != UD_NONE) {
	gen_operand(u, &u->operand[1]);
	mkasm(u, ", ");
  }

  if (u->operand[0].type != UD_NONE)
	gen_operand(u, &u->operand[0]);
}