MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbDisasm.h

   1 /** @file
   2
   3 Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
   4 This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12
  13 **/
  14
  15 #ifndef _EFI_EDB_DISASM_H_
  16 #define _EFI_EDB_DISASM_H_
  17
  18 #include <Uefi.h>
  19
  20 //
  21 // Definition for instruction OPCODE, MODIFIER, and OPERAND
  22 //
  23 #define GET_OPCODE(Addr)       (UINT8)((*(UINT8 *)(UINTN)(Addr)) & 0x3F)
  24 #define GET_MODIFIERS(Addr)    (UINT8)((*(UINT8 *)(UINTN)(Addr)) & 0xC0)
  25 #define GET_OPCODE_BYTE(Addr)  (UINT8)(*(UINT8 *)(UINTN)(Addr))
  26 #define GET_OPERANDS(Addr)     (UINT8)(*(UINT8 *)(UINTN)((Addr) + 1))
  27
  28 typedef
  29 UINTN
  30 (* EDB_DISASM_INSTRUCTION) (
  31   IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,
  32   IN     EFI_SYSTEM_CONTEXT        SystemContext,
  33   OUT    CHAR16                    **DisAsmString
  34   );
  35
  36 #endif