MdePkg/Library/BaseLib/Ia32/SetJump.asm

   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
  22     .386
  23     .model  flat,C
  24     .code
  25
  26 InternalAssertJumpBuffer    PROTO   C
  27
  28 SetJump     PROC
  29     push    [esp + 4]
  30     call    InternalAssertJumpBuffer
  31     pop     ecx
  32     pop     ecx
  33     mov     edx, [esp]
  34     mov     [edx], ebx
  35     mov     [edx + 4], esi
  36     mov     [edx + 8], edi
  37     mov     [edx + 12], ebp
  38     mov     [edx + 16], esp
  39     mov     [edx + 20], ecx
  40     xor     eax, eax
  41     jmp     ecx
  42 SetJump     ENDP
  43
  44     END