title  "NtCurTeb.asm"


; Copyright (c) 1989  Microsoft Corporation

; Module Name:

;    NtCurTeb.asm

; Abstract:

;    Efficient NtCurrentTeb code.

; Author:

;    Bryan Willman (bryanwi) 28 feb 90

; Environment:

; Revision History:



.386p
        .xlist
include ks386.inc
include callconv.inc            ; calling convention macros
        .list

        page ,132
        subttl  "NtCurrentTeb"

IFDEF NTOS_KERNEL_RUNTIME
.PAGE   SEGMENT DWORD PUBLIC 'CODE'
ELSE
_TEXT   SEGMENT DWORD PUBLIC 'CODE'
ENDIF
        ASSUME  DS:FLAT, ES:FLAT, SS:NOTHING, FS:NOTHING, GS:NOTHING



; PTEB
; NtCurrentTeb();

; Routine Description:

;    This routine returns the address of the current TEB.

; Arguments:

;    None

; Return Value:

;    Address of TEB.


cPublicProc _NtCurrentTeb   ,0
cPublicFpo 0,0


;   How this works in both user and kernel mode.

;   In user mode, TEB.TIB.Self is flat address of containing structure.
;   In kernel mode, PCR.TIB.Self is flat address of the TEB.
;   Same offset both places, so fs:PcTeb is always the flat address
;   of the TEB.


        mov     eax,fs:[PcTeb]
        stdRET    _NtCurrentTeb

stdENDP _NtCurrentTeb
IFDEF NTOS_KERNEL_RUNTIME
.PAGE           ENDS
ELSE
_TEXT           ENDS
ENDIF
                end