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; Copyright (c) 2000, 2006 MySQL AB
;
; This library is free software; you can redistribute it and/or
; modify it under the terms of the GNU Library General Public
; License as published by the Free Software Foundation; version 2
; of the License.
;
; This library is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
; Library General Public License for more details.
;
; You should have received a copy of the GNU Library General Public
; License along with this library; if not, write to the Free
; Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
; MA 02110-1301, USA
; Some useful macros
.386P
.387
_FLAT equ 0 ;FLAT memory model
_STDCALL equ 0 ;default to _stdcall
I386 equ 1
begcode macro module
if _FLAT
_TEXT segment dword use32 public 'CODE'
assume CS:FLAT,DS:FLAT,SS:FLAT
else
_TEXT segment dword public 'CODE'
assume CS:_TEXT
endif
endm
endcode macro module
_TEXT ENDS
endm
begdata macro
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Set up segments for data
; Regular initialized data goes in _DATA
_DATA segment dword public 'DATA'
_DATA ends
;Function pointers to constructors
XIB segment dword public 'DATA'
XIB ends
XI segment dword public 'DATA'
XI ends
XIE segment dword public 'DATA'
XIE ends
;Function pointers to destructors
XCB segment dword public 'DATA'
XCB ends
XC segment dword public 'DATA'
XC ends
XCE segment dword public 'DATA'
XCE ends
;Constant data, such as switch tables, go here.
CONST segment dword public 'CONST'
CONST ends
;Segment for uninitialized data. This is set to 0 by the startup code/OS,
;so it does not consume room in the executable file.
_BSS segment dword public 'BSS'
_BSS ends
HUGE_BSS segment dword public 'HUGE_BSS'
HUGE_BSS ends
EEND segment dword public 'ENDBSS'
EEND ends
STACK segment para stack 'STACK'
STACK ends
DGROUP group _DATA,XIB,XI,XIE,XCB,XC,XCE,CONST,_BSS,EEND,STACK
_DATA segment
if _FLAT
assume DS:FLAT
else
assume DS:DGROUP
endif
endm
enddata macro
_DATA ends
endm
P equ 8 ; Offset of start of parameters on the stack frame
; From EBP assuming EBP was pushed.
PS equ 4 ; Offset of start of parameters on the stack frame
; From ESP assuming EBP was NOT pushed.
ESeqDS equ 0
FSeqDS equ 0
GSeqDS equ 0
SSeqDS equ 1
SIZEPTR equ 4 ; Size of a pointer
LPTR equ 0
SPTR equ 1
LCODE equ 0
func macro name
_&name proc near
ifndef name
name equ _&name
endif
endm
callm macro name
call _&name
endm
;Macros to replace public, extrn, and endp for C-callable assembly routines,
; and to define labels: c_label defines labels,
; c_public replaces public, c_extrn replaces extrn, and c_endp replaces endp
c_name macro name
name equ _&name
endm
c_label macro name
_&name:
endm
c_endp macro name
_&name ENDP
endm
clr macro list ;clear a register
irp reg,<list>
xor reg,reg
endm
endm
jmps macro lbl
jmp short lbl
endm
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