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 SECTION .text 23 24;------------------------------------------------------------------------------ 25; VOID 26; EFIAPI 27; InternalLongJump ( 28; IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, 29; IN UINTN Value 30; ); 31;------------------------------------------------------------------------------ 32global ASM_PFX(InternalLongJump) 33ASM_PFX(InternalLongJump): 34 pop eax ; skip return address 35 pop edx ; edx <- JumpBuffer 36 pop eax ; eax <- Value 37 mov ebx, [edx] 38 mov esi, [edx + 4] 39 mov edi, [edx + 8] 40 mov ebp, [edx + 12] 41 mov esp, [edx + 16] 42 jmp dword [edx + 20] ; restore "eip" 43 44