#------------------------------------------------------------------------------ # # Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
# 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"