#------------------------------------------------------------------------------

#

# 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:

#

# SetJump.S

#

# Abstract:

#

# Implementation of SetJump() on IA-32.

#

#------------------------------------------------------------------------------

ASM_GLOBAL ASM_PFX(SetJump), ASM_PFX(InternalAssertJumpBuffer)

#------------------------------------------------------------------------------

# UINTN

# EFIAPI

# SetJump (

# OUT BASE_LIBRARY_JUMP_BUFFER *JumpBuffer

# );

#------------------------------------------------------------------------------

ASM_PFX(SetJump):

pushl 0x4(%esp)

call ASM_PFX(InternalAssertJumpBuffer) # To validate JumpBuffer

pop %ecx

pop %ecx # ecx <- return address

movl (%esp), %edx

movl %ebx, (%edx)

movl %esi, 4(%edx)

movl %edi, 8(%edx)

movl %ebp, 12(%edx)

movl %esp, 16(%edx)

movl %ecx, 20(%edx) # eip value to restore in LongJump

xorl %eax, %eax

jmp *%ecx