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