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148 lines
3.1 KiB
NASM
148 lines
3.1 KiB
NASM
; Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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;
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; This library is free software; you can redistribute it and/or
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; modify it under the terms of the GNU Library General Public
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; License as published by the Free Software Foundation; either
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; version 2 of the License, or (at your option) any later version.
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;
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; This library is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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; Library General Public License for more details.
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;
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; You should have received a copy of the GNU Library General Public
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; License along with this library; if not, write to the Free
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; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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; MA 02111-1307, USA
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; Some useful macros
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.386P
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.387
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_FLAT equ 0 ;FLAT memory model
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_STDCALL equ 0 ;default to _stdcall
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I386 equ 1
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begcode macro module
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if _FLAT
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_TEXT segment dword use32 public 'CODE'
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assume CS:FLAT,DS:FLAT,SS:FLAT
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else
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_TEXT segment dword public 'CODE'
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assume CS:_TEXT
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endif
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endm
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endcode macro module
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_TEXT ENDS
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endm
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begdata macro
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Set up segments for data
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; Regular initialized data goes in _DATA
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_DATA segment dword public 'DATA'
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_DATA ends
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;Function pointers to constructors
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XIB segment dword public 'DATA'
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XIB ends
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XI segment dword public 'DATA'
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XI ends
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XIE segment dword public 'DATA'
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XIE ends
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;Function pointers to destructors
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XCB segment dword public 'DATA'
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XCB ends
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XC segment dword public 'DATA'
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XC ends
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XCE segment dword public 'DATA'
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XCE ends
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;Constant data, such as switch tables, go here.
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CONST segment dword public 'CONST'
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CONST ends
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;Segment for uninitialized data. This is set to 0 by the startup code/OS,
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;so it does not consume room in the executable file.
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_BSS segment dword public 'BSS'
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_BSS ends
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HUGE_BSS segment dword public 'HUGE_BSS'
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HUGE_BSS ends
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EEND segment dword public 'ENDBSS'
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EEND ends
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STACK segment para stack 'STACK'
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STACK ends
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DGROUP group _DATA,XIB,XI,XIE,XCB,XC,XCE,CONST,_BSS,EEND,STACK
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_DATA segment
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if _FLAT
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assume DS:FLAT
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else
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assume DS:DGROUP
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endif
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endm
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enddata macro
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_DATA ends
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endm
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P equ 8 ; Offset of start of parameters on the stack frame
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; From EBP assuming EBP was pushed.
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PS equ 4 ; Offset of start of parameters on the stack frame
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; From ESP assuming EBP was NOT pushed.
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ESeqDS equ 0
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FSeqDS equ 0
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GSeqDS equ 0
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SSeqDS equ 1
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SIZEPTR equ 4 ; Size of a pointer
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LPTR equ 0
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SPTR equ 1
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LCODE equ 0
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func macro name
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_&name proc near
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ifndef name
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name equ _&name
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endif
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endm
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callm macro name
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call _&name
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endm
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;Macros to replace public, extrn, and endp for C-callable assembly routines,
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; and to define labels: c_label defines labels,
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; c_public replaces public, c_extrn replaces extrn, and c_endp replaces endp
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c_name macro name
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name equ _&name
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endm
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c_label macro name
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_&name:
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endm
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c_endp macro name
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_&name ENDP
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endm
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clr macro list ;clear a register
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irp reg,<list>
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xor reg,reg
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endm
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endm
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jmps macro lbl
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jmp short lbl
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endm
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