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; SetJump.Asm 15; 16; Abstract: 17; 18; Implementation of SetJump() on IA-32. 19; 20;------------------------------------------------------------------------------ 21 22 SECTION .text 23 24extern ASM_PFX(InternalAssertJumpBuffer) 25 26;------------------------------------------------------------------------------ 27; UINTN 28; EFIAPI 29; SetJump ( 30; OUT BASE_LIBRARY_JUMP_BUFFER *JumpBuffer 31; ); 32;------------------------------------------------------------------------------ 33global ASM_PFX(SetJump) 34ASM_PFX(SetJump): 35 push DWORD [esp + 4] 36 call ASM_PFX(InternalAssertJumpBuffer) ; To validate JumpBuffer 37 pop ecx 38 pop ecx ; ecx <- return address 39 mov edx, [esp] 40 mov [edx], ebx 41 mov [edx + 4], esi 42 mov [edx + 8], edi 43 mov [edx + 12], ebp 44 mov [edx + 16], esp 45 mov [edx + 20], ecx ; eip value to restore in LongJump 46 xor eax, eax 47 jmp ecx 48 49