mirror of https://github.com/acidanthera/audk.git
52 lines
1.6 KiB
NASM
52 lines
1.6 KiB
NASM
;------------------------------------------------------------------------------
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;
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; Copyright (c) 2006, Intel Corporation
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; All rights reserved. This program and the accompanying materials
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; are licensed and made available under the terms and conditions of the BSD License
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; which accompanies this distribution. The full text of the license may be found at
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; http://opensource.org/licenses/bsd-license.php
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;
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; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;
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; Module Name:
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;
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; SetJump.Asm
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;
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; Abstract:
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;
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; Implementation of SetJump() on IA-32.
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;
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;------------------------------------------------------------------------------
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.386
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.model flat,C
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.code
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InternalAssertJumpBuffer PROTO C
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;------------------------------------------------------------------------------
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; UINTN
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; EFIAPI
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; SetJump (
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; OUT BASE_LIBRARY_JUMP_BUFFER *JumpBuffer
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; );
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;------------------------------------------------------------------------------
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SetJump PROC
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push [esp + 4]
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call InternalAssertJumpBuffer ; To validate JumpBuffer
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pop ecx
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pop ecx ; ecx <- return address
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mov edx, [esp]
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mov [edx], ebx
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mov [edx + 4], esi
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mov [edx + 8], edi
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mov [edx + 12], ebp
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mov [edx + 16], esp
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mov [edx + 20], ecx ; eip value to restore in LongJump
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xor eax, eax
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jmp ecx
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SetJump ENDP
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END
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