#------------------------------------------------------------------------------ | |
# | |
# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> | |
# 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.S | |
# | |
# Abstract: | |
# | |
# Implementation of _LongJump() on IA-32. | |
# | |
#------------------------------------------------------------------------------ | |
ASM_GLOBAL ASM_PFX(InternalLongJump) | |
#------------------------------------------------------------------------------ | |
# VOID | |
# EFIAPI | |
# InternalLongJump ( | |
# IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, | |
# IN UINTN Value | |
# ); | |
#------------------------------------------------------------------------------ | |
ASM_PFX(InternalLongJump): | |
pop %eax # skip return address | |
pop %edx # edx <- JumpBuffer | |
pop %eax # eax <- Value | |
movl (%edx), %ebx | |
movl 4(%edx), %esi | |
movl 8(%edx), %edi | |
movl 12(%edx), %ebp | |
movl 16(%edx), %esp | |
jmp *20(%edx) # restore "eip" |