1 files changed, 147 insertions, 0 deletions
diff --git a/strings/macros.asm b/strings/macros.asm
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+; Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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; either
+; version 2 of the License, or (at your option) any later version.
+; 
+; 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., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, 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