/* * Copyright 2002-2019 Intel Corporation. * * This software is provided to you as Sample Source Code as defined in the accompanying * End User License Agreement for the Intel(R) Software Development Products ("Agreement") * section 1.L. * * This software and the related documents are provided as is, with no express or implied * warranties, other than those that are expressly stated in the License. */ # # struct FarPointer # { # unsigned int _farPtr; # unsigned int _segVal; # }; # int SetGs(const FarPointer *fp); .global SetGs .type SetGs, @function SetGs: push %ebp mov %esp, %ebp mov 0x8(%ebp), %eax lgs (%eax), %eax leave ret # int SetFs(const FarPointer *fp); .global SetFs .type SetFs, @function SetFs: push %ebp mov %esp, %ebp mov 0x8(%ebp), %eax lfs (%eax), %eax leave ret # unsigned int GetGsBase(); # unsigned int GetFsBase(); .global GetGsBase .type GetGsBase, @function GetGsBase: mov %gs:0x0, %eax ret .global GetFsBase .type GetFsBase, @function GetFsBase: mov %fs:0x0, %eax ret