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c7f33ca4 1/**\r
2 Implementation of _LongJump() on IA-32.\r
3\r
2c7e5c2f
HT
4 Copyright (c) 2006 - 2007, Intel Corporation. All rights reserved.<BR>\r
5 This program and the accompanying materials\r
c7f33ca4 6 are licensed and made available under the terms and conditions of the BSD License\r
7 which accompanies this distribution. The full text of the license may be found at\r
8 http://opensource.org/licenses/bsd-license.php\r
9\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15#include "BaseLibInternals.h"\r
16\r
17__declspec (naked)\r
18VOID\r
19EFIAPI\r
20InternalLongJump (\r
21 IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,\r
22 IN UINTN Value\r
23 )\r
24{\r
25 _asm {\r
26 pop eax ; skip return address\r
27 pop edx ; edx <- JumpBuffer\r
28 pop eax ; eax <- Value\r
29 mov ebx, [edx]\r
30 mov esi, [edx + 4]\r
31 mov edi, [edx + 8]\r
32 mov ebp, [edx + 12]\r
33 mov esp, [edx + 16]\r
34 jmp dword ptr [edx + 20]\r
35 }\r
36}\r
37\r