mirror of
https://github.com/netwide-assembler/nasm.git
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152 lines
2.8 KiB
Plaintext
152 lines
2.8 KiB
Plaintext
; Standard macro set for NASM -*- nasm -*-
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; Macros to make NASM ignore some TASM directives before the first include
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; directive.
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%idefine IDEAL
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%idefine JUMPS
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%idefine P386
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%idefine P486
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%idefine P586
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%idefine END
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; This is a magic token which indicates the end of the TASM macros
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*END*TASM*MACROS*
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; Note that although some user-level forms of directives are defined
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; here, not all of them are: the user-level form of a format-specific
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; directive should be defined in the module for that directive.
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; These three need to be defined, though the actual definitions will
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; be constantly updated during preprocessing.
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%define __FILE__
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%define __LINE__
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%define __BITS__
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%define __SECT__ ; it ought to be defined, even if as nothing
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%imacro section 1+.nolist
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%define __SECT__ [section %1]
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__SECT__
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%endmacro
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%imacro segment 1+.nolist
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%define __SECT__ [segment %1]
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__SECT__
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%endmacro
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%imacro absolute 1+.nolist
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%define __SECT__ [absolute %1]
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__SECT__
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%endmacro
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%imacro struc 1.nolist
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%push struc
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%define %$strucname %1
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[absolute 0]
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%$strucname: ; allow definition of `.member' to work sanely
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%endmacro
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%imacro endstruc 0.nolist
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%{$strucname}_size:
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%pop
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__SECT__
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%endmacro
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%imacro istruc 1.nolist
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%push istruc
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%define %$strucname %1
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%$strucstart:
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%endmacro
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%imacro at 1-2+.nolist
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times %1-($-%$strucstart) db 0
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%2
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%endmacro
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%imacro iend 0.nolist
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times %{$strucname}_size-($-%$strucstart) db 0
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%pop
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%endmacro
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%imacro align 1-2+.nolist nop
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times ($$-$) & ((%1)-1) %2
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%endmacro
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%imacro alignb 1-2+.nolist resb 1
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times ($$-$) & ((%1)-1) %2
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%endmacro
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%imacro extern 1-*.nolist
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%rep %0
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[extern %1]
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%rotate 1
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%endrep
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%endmacro
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%imacro bits 1+.nolist
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[bits %1]
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%endmacro
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%imacro use16 0.nolist
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[bits 16]
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%endmacro
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%imacro use32 0.nolist
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[bits 32]
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%endmacro
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%imacro use64 0.nolist
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[bits 64]
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%endmacro
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%imacro global 1-*.nolist
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%rep %0
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[global %1]
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%rotate 1
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%endrep
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%endmacro
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%imacro common 1-*.nolist
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%rep %0
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[common %1]
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%rotate 1
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%endrep
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%endmacro
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%imacro cpu 1+.nolist
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[cpu %1]
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%endmacro
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%define __FLOAT_DAZ__ nodaz
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%define __FLOAT_ROUND__ near
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; __FLOAT__ contains the whole floating-point configuration so it can
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; be saved and restored
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%define __FLOAT__ __FLOAT_DAZ__,__FLOAT_ROUND__
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%imacro float 1-*.nolist
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%rep %0
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[float %1]
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%ifidni %1,daz
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%define __FLOAT_DAZ__ daz
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%elifidni %1,nodaz
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%define __FLOAT_DAZ__ nodaz
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%elifidni %1,near
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%define __FLOAT_ROUND__ near
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%elifidni %1,up
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%define __FLOAT_ROUND__ up
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%elifidni %1,down
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%define __FLOAT_ROUND__ down
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%elifidni %1,zero
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%define __FLOAT_ROUND__ zero
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%elifidni %1,default
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%define __FLOAT_DAZ__ nodaz
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%define __FLOAT_ROUND__ near
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%endif
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%endrep
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%endmacro
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%imacro default 1+.nolist
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[default %1]
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%endmacro
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%imacro incbin 1-2+.nolist 0
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%push _incbin
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%pathsearch %$dep %1
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%depend %$dep
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%? %$dep,%2
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%pop
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%endmacro
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