1;------------------------------------------------------------------------------
2;
3; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
4; 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;   LongJump.Asm
15;
16; Abstract:
17;
18;   Implementation of _LongJump() on IA-32.
19;
20;------------------------------------------------------------------------------
21
22    .386
23    .model  flat,C
24    .code
25
26;------------------------------------------------------------------------------
27; VOID
28; EFIAPI
29; InternalLongJump (
30;   IN      BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer,
31;   IN      UINTN                     Value
32;   );
33;------------------------------------------------------------------------------
34InternalLongJump    PROC
35    pop     eax                         ; skip return address
36    pop     edx                         ; edx <- JumpBuffer
37    pop     eax                         ; eax <- Value
38    mov     ebx, [edx]
39    mov     esi, [edx + 4]
40    mov     edi, [edx + 8]
41    mov     ebp, [edx + 12]
42    mov     esp, [edx + 16]
43    jmp     dword ptr [edx + 20]        ; restore "eip"
44InternalLongJump    ENDP
45
46    END
47