audk/MdePkg/Library/BaseLib/X64/LongJump.S

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#------------------------------------------------------------------------------
#
# 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 x64.
#
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# VOID
# EFIAPI
# InternalLongJump (
# IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,
# IN UINTN Value
# );
#------------------------------------------------------------------------------
.global ASM_PFX(InternalLongJump)
ASM_PFX(InternalLongJump):
mov (%rcx), %rbx
mov 0x8(%rcx), %rsp
mov 0x10(%rcx), %rbp
mov 0x18(%rcx), %rdi
mov 0x20(%rcx), %rsi
mov 0x28(%rcx), %r12
mov 0x30(%rcx), %r13
mov 0x38(%rcx), %r14
mov 0x40(%rcx), %r15
mov %rdx, %rax # set return value
jmp *0x48(%rcx)