+++ /dev/null
-#------------------------------------------------------------------------------\r
-#\r
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
-# Portions copyright (c) 2011, Apple Inc. All rights reserved.<BR>\r
-# This program and the accompanying materials\r
-# are licensed and made available under the terms and conditions of the BSD License\r
-# which accompanies this distribution. The full text of the license may be found at\r
-# http://opensource.org/licenses/bsd-license.php.\r
-#\r
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-#\r
-# Module Name:\r
-#\r
-# InternalSwitchStack.S\r
-#\r
-# Abstract:\r
-#\r
-# Implementation of a stack switch on IA-32.\r
-#\r
-#------------------------------------------------------------------------------\r
-\r
-ASM_GLOBAL ASM_PFX(InternalSwitchStack)\r
-\r
-#------------------------------------------------------------------------------\r
-# VOID\r
-# EFIAPI\r
-# InternalSwitchStack (\r
-# IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r
-# IN VOID *Context1, OPTIONAL\r
-# IN VOID *Context2, OPTIONAL\r
-# IN VOID *NewStack\r
-# );\r
-#------------------------------------------------------------------------------\r
-ASM_PFX(InternalSwitchStack):\r
- pushl %ebp\r
- movl %esp, %ebp\r
-\r
- movl 20(%ebp), %esp # switch stack\r
- subl $8, %esp\r
-\r
- movl 16(%ebp), %eax\r
- movl %eax, 4(%esp)\r
- movl 12(%ebp), %eax\r
- movl %eax, (%esp)\r
- pushl $0 # keeps gdb from unwinding stack\r
- jmp *8(%ebp) # call and never return\r
-\r