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 ;------------------------------------------------------------------------------ 32 global ASM_PFX(InternalLongJump) 33 ASM_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
