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  1. /*
  2.  * Copyright (c) 2005 Ondrej Palkovsky
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #ifndef KERN_amd64_CONTEXT_OFFSET_H_
  30. #define KERN_amd64_CONTEXT_OFFSET_H_
  31.  
  32. #define OFFSET_SP  0x0
  33. #define OFFSET_PC  0x8
  34. #define OFFSET_RBX 0x10
  35. #define OFFSET_RBP 0x18
  36. #define OFFSET_R12 0x20
  37. #define OFFSET_R13 0x28
  38. #define OFFSET_R14 0x30
  39. #define OFFSET_R15 0x38
  40. #define OFFSET_IPL 0x40
  41.  
  42. #ifdef __ASM__
  43.  
  44. # ctx: address of the structure with saved context
  45. # pc: return address
  46. .macro CONTEXT_SAVE_ARCH_CORE ctx:req pc:req
  47. .endm
  48.  
  49. # ctx: address of the structure with saved context
  50. .macro CONTEXT_RESTORE_ARCH_CORE ctx:req pc:req
  51. .endm
  52.  
  53. #endif
  54.  
  55. #endif
  56.