;------------------------------------------------------------------------------ ; ; Copyright (c) 2006, Intel Corporation. All rights reserved.
; This program and the accompanying materials ; are licensed and made available under the terms and conditions of the BSD License ; which accompanies this distribution. The full text of the license may be found at ; http://opensource.org/licenses/bsd-license.php. ; ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. ; ; Module Name: ; ; LongJump.Asm ; ; Abstract: ; ; Implementation of _LongJump() on IA-32. ; ;------------------------------------------------------------------------------ SECTION .text ;------------------------------------------------------------------------------ ; VOID ; EFIAPI ; InternalLongJump ( ; IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, ; IN UINTN Value ; ); ;------------------------------------------------------------------------------ global ASM_PFX(InternalLongJump) ASM_PFX(InternalLongJump): pop eax ; skip return address pop edx ; edx <- JumpBuffer pop eax ; eax <- Value mov ebx, [edx] mov esi, [edx + 4] mov edi, [edx + 8] mov ebp, [edx + 12] mov esp, [edx + 16] jmp dword [edx + 20] ; restore "eip"