X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseLib%2FIa32%2FSetJump.S;fp=MdePkg%2FLibrary%2FBaseLib%2FIa32%2FSetJump.S;h=a3a70b6cf1736a41db987081cd78b8e679fef179;hp=0000000000000000000000000000000000000000;hb=e1f414b6a7d8a0424e0e01f655b09a4612b4d0e8;hpb=e053747a04ad7b8d71c7593b93e1575ba0057a91 diff --git a/MdePkg/Library/BaseLib/Ia32/SetJump.S b/MdePkg/Library/BaseLib/Ia32/SetJump.S new file mode 100644 index 0000000000..a3a70b6cf1 --- /dev/null +++ b/MdePkg/Library/BaseLib/Ia32/SetJump.S @@ -0,0 +1,49 @@ +// +// Include common header file for this module. +// +#include "CommonHeader.h" + +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, 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: +# +# SetJump.Asm +# +# Abstract: +# +# Implementation of SetJump() on IA-32. +# +#------------------------------------------------------------------------------ + +.globl 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) + pop %ecx + pop %ecx + 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) + xorl %eax, %eax + jmp *%ecx