MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbDisasm.h

   1 /*++
   2
   3 Copyright (c) 2007, Intel Corporation
   4 All rights reserved. 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 Module Name:
  13
  14   EdbDisasm.h
  15
  16 Abstract:
  17
  18
  19 --*/
  20
  21 #ifndef _EFI_EDB_DISASM_H_
  22 #define _EFI_EDB_DISASM_H_
  23
  24 #include <Uefi.h>
  25
  26 //
  27 // Definition for instruction OPCODE, MODIFIER, and OPERAND
  28 //
  29 #define GET_OPCODE(Addr)       (UINT8)((*(UINT8 *)(UINTN)(Addr)) & 0x3F)
  30 #define GET_MODIFIERS(Addr)    (UINT8)((*(UINT8 *)(UINTN)(Addr)) & 0xC0)
  31 #define GET_OPCODE_BYTE(Addr)  (UINT8)(*(UINT8 *)(UINTN)(Addr))
  32 #define GET_OPERANDS(Addr)     (UINT8)(*(UINT8 *)(UINTN)((Addr) + 1))
  33
  34 typedef
  35 UINTN
  36 (* EDB_DISASM_INSTRUCTION) (
  37   IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,
  38   IN     EFI_SYSTEM_CONTEXT        SystemContext,
  39   OUT    CHAR16                    **DisAsmString
  40   );
  41
  42 #endif