MdePkg/Library/BaseLib/Ia32/SetJump.S

   1 #------------------------------------------------------------------------------
   2 #
   3 # Copyright (c) 2006, 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 #   SetJump.Asm
  15 #
  16 # Abstract:
  17 #
  18 #   Implementation of SetJump() on IA-32.
  19 #
  20 #------------------------------------------------------------------------------
  21
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  23
  24
  25
  26 .global _SetJump, _InternalAssertJumpBuffer
  27 _SetJump:
  28     pushl   0x4(%esp)
  29     call    _InternalAssertJumpBuffer
  30     popl    %ecx
  31     popl    %ecx
  32     movl    (%esp),%edx
  33     movl    %ebx,(%edx)
  34     movl    %esi,4(%edx)
  35     movl    %edi,8(%edx)
  36     movl    %ebp,12(%edx)
  37     movl    %esp,16(%edx)
  38     movl    %ecx,20(%edx)
  39     xorl    %eax,%eax
  40     jmp     *%ecx
  41
  42
  43