diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/X64/SwitchStack.S')
| -rw-r--r-- | MdePkg/Library/BaseLib/X64/SwitchStack.S | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/MdePkg/Library/BaseLib/X64/SwitchStack.S b/MdePkg/Library/BaseLib/X64/SwitchStack.S deleted file mode 100644 index 705c7c8d6a0e..000000000000 --- a/MdePkg/Library/BaseLib/X64/SwitchStack.S +++ /dev/null @@ -1,52 +0,0 @@ -#------------------------------------------------------------------------------ -# -# 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: -# -# SwitchStack.S -# -# Abstract: -# -#------------------------------------------------------------------------------ - - -#------------------------------------------------------------------------------ -# Routine Description: -# -# Routine for switching stacks with 2 parameters -# -# Arguments: -# -# (rcx) EntryPoint - Entry point with new stack. -# (rdx) Context1 - Parameter1 for entry point. -# (r8) Context2 - Parameter2 for entry point. -# (r9) NewStack - The pointer to new stack. -# -# Returns: -# -# None -# -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(InternalSwitchStack) -ASM_PFX(InternalSwitchStack): - pushq %rbp - movq %rsp, %rbp - - mov %rcx, %rax // Shift registers for new call - mov %rdx, %rcx - mov %r8, %rdx - # - # Reserve space for register parameters (rcx, rdx, r8 & r9) on the stack, - # in case the callee wishes to spill them. - # - lea -0x20(%r9), %rsp - pushq $0 // stop gdb stack unwind - jmp *%rax // call EntryPoint () |