WindowsXP/Source/XPSP1/NT/base/mvdm/dpmi/stackchk.inc
2024-08-03 16:30:48 +02:00

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;++
;
; Copyright (c) 1989 Microsoft Corporation
;
; Module Name:
;
; stackchk.inc
;
; Abstract:
;
; This module implements stack checking for the dos extender
;
; Author:
;
; Dave Hastings (daveh) 20-Apr-1993
;
;--
if DBG
FIX_STACK macro
local foo,foo1
push bp
mov bp,pbReflStack
cmp bp,offset DGROUP:bReflStack
ja foo1
BOP BOP_DBGBREAKPOINT
foo1: mov bp,sp
; cmp word ptr [bp - CB_STKFRAME + 2],0AAAAH
; je foo
; BOP BOP_DBGBREAKPOINT
foo: mov word ptr [bp - CB_STKFRAME + 2],0AAAAH
pop bp
endm
CHECK_STACK macro
local foo
push bp
mov bp,pbReflStack
; cmp word ptr [bp + 2],0AAAAh
; je foo
; BOP BOP_DBGBREAKPOINT
foo: pop bp
endm
ifdef NEC_98
ASSERT_CLI macro
endm
else
ASSERT_CLI macro
local foo1
push ds
push 40h
pop ds
test ds:[314h],0200h
jz foo1
BOP BOP_DBGBREAKPOINT
foo1: pop ds
endm
endif ;!NEC_98
ASSERT_REFLSTK_OK macro
local foo1
cmp pbReflStack,offset DGROUP:pbReflStack
jna foo1
BOP BOP_DBGBREAKPOINT
foo1:
endm
else
FIX_STACK macro
endm
CHECK_STACK macro
endm
ASSERT_CLI macro
endm
ASSERT_REFLSTK_OK macro
endm
endif