1#------------------------------------------------------------------------------ 2# 3# Copyright (c) 2006 - 2008, 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.S 15# 16# Abstract: 17# 18# Implementation of _LongJump() on IA-32. 19# 20#------------------------------------------------------------------------------ 21 22ASM_GLOBAL ASM_PFX(InternalLongJump) 23 24#------------------------------------------------------------------------------ 25# VOID 26# EFIAPI 27# InternalLongJump ( 28# IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, 29# IN UINTN Value 30# ); 31#------------------------------------------------------------------------------ 32ASM_PFX(InternalLongJump): 33 pop %eax # skip return address 34 pop %edx # edx <- JumpBuffer 35 pop %eax # eax <- Value 36 movl (%edx), %ebx 37 movl 4(%edx), %esi 38 movl 8(%edx), %edi 39 movl 12(%edx), %ebp 40 movl 16(%edx), %esp 41 jmp *20(%edx) # restore "eip" 42