1 ;; --------------------------------------------------------------------------
3 ;; Copyright 1996-2009 The NASM Authors - All Rights Reserved
4 ;; See the file AUTHORS included with the NASM distribution for
5 ;; the specific copyright holders.
7 ;; Redistribution and use in source and binary forms, with or without
8 ;; modification, are permitted provided that the following
11 ;; * Redistributions of source code must retain the above copyright
12 ;; notice, this list of conditions and the following disclaimer.
13 ;; * Redistributions in binary form must reproduce the above
14 ;; copyright notice, this list of conditions and the following
15 ;; disclaimer in the documentation and/or other materials provided
16 ;; with the distribution.
18 ;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
19 ;; CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
20 ;; INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21 ;; MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 ;; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23 ;; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 ;; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 ;; NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 ;; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 ;; HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 ;; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 ;; OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 ;; EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 ;; --------------------------------------------------------------------------
34 ; Standard macro set for NASM -*- nasm -*-
36 ; Macros to make NASM ignore some TASM directives before the first include
46 ; This is a magic token which indicates the end of the TASM macros
49 ; Note that although some user-level forms of directives are defined
50 ; here, not all of them are: the user-level form of a format-specific
51 ; directive should be defined in the module for that directive.
53 ; These three need to be defined, though the actual definitions will
54 ; be constantly updated during preprocessing.
59 %define __SECT__ ; it ought to be defined, even if as nothing
61 %imacro section 1+.nolist
62 %define __SECT__ [section %1]
66 %imacro segment 1+.nolist
67 %define __SECT__ [segment %1]
71 %define __SECTALIGN_ALIGN_UPDATES_SECTION__ 1
72 %imacro sectalign 1.nolist
74 %if __SECTALIGN_ALIGN_UPDATES_SECTION__ = 1
79 %define __SECTALIGN_ALIGN_UPDATES_SECTION__ 0
81 %define __SECTALIGN_ALIGN_UPDATES_SECTION__ 1
86 %imacro absolute 1+.nolist
87 %define __SECT__ [absolute %1]
91 %imacro struc 1-2.nolist 0
93 %define %$strucname %1
95 %$strucname: ; allow definition of `.member' to work sanely
98 %imacro endstruc 0.nolist
99 %{$strucname}_size equ ($-%$strucname)
104 %imacro istruc 1.nolist
106 %define %$strucname %1
110 %imacro at 1-2+.nolist
111 times (%1-%$strucname)-($-%$strucstart) db 0
115 %imacro iend 0.nolist
116 times %{$strucname}_size-($-%$strucstart) db 0
120 %imacro align 1-2+.nolist nop
122 times (((%1) - (($-$$) % (%1))) % (%1)) %2
125 %imacro alignb 1-2+.nolist
128 resb (((%1) - (($-$$) % (%1))) % (%1))
130 times (((%1) - (($-$$) % (%1))) % (%1)) %2
134 %imacro extern 1-*.nolist
141 %imacro bits 1+.nolist
145 %imacro use16 0.nolist
149 %imacro use32 0.nolist
153 %imacro use64 0.nolist
157 %imacro global 1-*.nolist
164 %imacro common 1-*.nolist
171 %imacro cpu 1+.nolist
175 %define __FLOAT_DAZ__ nodaz
176 %define __FLOAT_ROUND__ near
177 ; __FLOAT__ contains the whole floating-point configuration so it can
178 ; be saved and restored
179 %define __FLOAT__ __FLOAT_DAZ__,__FLOAT_ROUND__
181 %imacro float 1-*.nolist
185 %define __FLOAT_DAZ__ daz
187 %define __FLOAT_DAZ__ nodaz
189 %define __FLOAT_ROUND__ near
191 %define __FLOAT_ROUND__ up
193 %define __FLOAT_ROUND__ down
195 %define __FLOAT_ROUND__ zero
197 %define __FLOAT_DAZ__ nodaz
198 %define __FLOAT_ROUND__ near
204 %imacro default 1+.nolist
208 %imacro incbin 1-2+.nolist 0