Subversion Repositories HelenOS

Rev

Rev 1888 | Rev 2071 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  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. /** @addtogroup amd64  
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_amd64_CONTEXT_H_
  36. #define KERN_amd64_CONTEXT_H_
  37.  
  38. #include <arch/types.h>
  39.  
  40. /* According to ABI the stack MUST be aligned on
  41.  * 16-byte boundary. If it is not, the va_arg calling will
  42.  * panic sooner or later
  43.  */
  44. #define SP_DELTA     16
  45.  
  46. /* We include only registers that must be preserved
  47.  * during function call
  48.  */
  49. struct context {
  50.     uintptr_t sp;
  51.     uintptr_t pc;
  52.    
  53.     uint64_t rbx;
  54.     uint64_t rbp;
  55.  
  56.     uint64_t r12;
  57.     uint64_t r13;
  58.     uint64_t r14;
  59.     uint64_t r15;
  60.  
  61.     ipl_t ipl;
  62. } __attribute__ ((packed));
  63.  
  64. #endif
  65.  
  66. /** @}
  67.  */
  68.