mirror of
https://github.com/reactos/reactos.git
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351 lines
6.6 KiB
PHP
351 lines
6.6 KiB
PHP
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Kernel
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* FILE: ntoskrnl/include/amd64/asmmacro.S
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* PURPOSE: ASM macros for for GAS and MASM/ML64
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* PROGRAMMERS: Timo Kreuzer (timo.kreuzer@reactos.org)
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*/
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#ifdef _USE_ML
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/* Allow ".name" identifiers */
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OPTION DOTNAME
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#ifdef _M_IX86
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.686P
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.XMM
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.MODEL FLAT
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ASSUME CS:NOTHING, DS:NOTHING, ES:NOTHING, FS:NOTHING, GS:NOTHING
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#endif
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/* Hex numbers need to be in 01ABh format */
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#define HEX(x) 0##x##h
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/* Macro values need to be marked */
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#define VAL(x) x
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/* MASM/ML doesn't want explicit [rip] addressing */
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rip = 0
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/* Due to MASM's reverse syntax, we are forced to use a precompiler macro */
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#define MACRO(name, ...) name MACRO __VA_ARGS__
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/* To avoid reverse syntax we provide a new macro .PROC, replacing PROC... */
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.PROC MACRO name
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#ifdef _M_IX86
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_&name PROC
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#else
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&name PROC FRAME
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#endif
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ENDM
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#define FUNC .PROC
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/* ... and .ENDP, replacing ENDP */
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.ENDP MACRO name
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#ifdef _M_IX86
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_&name ENDP
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#else
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&name ENDP
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#endif
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ENDM
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#define ENDFUNC .ENDP
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/* check http://msdn.microsoft.com/en-us/library/9c9k076y%28VS.80%29.aspx
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and http://msdn.microsoft.com/en-us/library/ms679352%28VS.85%29.aspx */
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FPO MACRO cdwLocals, cdwParams, cbProlog, cbRegs, fUseBP, cbFrame
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.FPO (cdwLocals, cdwParams, cbProlog, cbRegs, fUseBP, cbFrame)
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ENDM
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/* MASM doesn't have an ASCII macro */
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.ASCII MACRO text:VARARG
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DB text
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ENDM
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.ascii MACRO text:VARARG
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DB text
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ENDM
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/* MASM doesn't have an ASCIZ macro */
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.ASCIZ MACRO text:VARARG
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DB text
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DB 0
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ENDM
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.asciz MACRO text:VARARG
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DB text
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DB 0
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ENDM
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.code64 MACRO
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.code
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ENDM
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.code32 MACRO
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.code
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.586P
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ENDM
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.code16 MACRO
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ASSUME nothing
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.text SEGMENT use16
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.586P
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ENDM
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.endcode16 MACRO
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.text ENDS
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ENDM
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.bss MACRO
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.DATA?
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ASSUME nothing
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ENDM
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//.text MACRO
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//ENDM
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.align MACRO alignment
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ALIGN alignment
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ENDM
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.byte MACRO args:VARARG
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db args
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ENDM
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.short MACRO args:VARARG
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dw args
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ENDM
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.word MACRO args:VARARG
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dw args
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ENDM
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.long MACRO args:VARARG
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dd args
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ENDM
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.double MACRO args:VARARG
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dq args
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ENDM
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.org MACRO value
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ORG value
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ENDM
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.fill MACRO count, size, value
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REPEAT count
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if (size EQ 1)
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DB value
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elseif (size EQ 2)
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DW value
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elseif (size EQ 4)
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DD value
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endif
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ENDM
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ENDM
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.space MACRO count
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DB 0 DUP (count)
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ENDM
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ljmp MACRO segment, offset
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DB 0EAh
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DD offset
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DW segment
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ENDM
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ljmp16 MACRO segment, offset
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DB 0EAh
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DW offset
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DW segment
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ENDM
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UNIMPLEMENTED MACRO name
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ENDM
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absolute MACRO address
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__absolute__address__ = address
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ENDM
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resb MACRO name, size
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name = __absolute__address__
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__absolute__address__ = __absolute__address__ + size
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ENDM
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/* We need this to distinguish repeat from macros */
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#define ENDR ENDM
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#define CR 13
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#define LF 10
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#define NUL 0
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#else /***********************************************************************/
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/* Force intel syntax */
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.intel_syntax noprefix
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.altmacro
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/* Hex numbers need to be in 0x1AB format */
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#define HEX(y) 0x##y
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/* Macro values need to be marked */
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#define VAL(x) \x
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/* Due to MASM's reverse syntax, we are forced to use a precompiler macro */
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#define MACRO(...) .macro __VA_ARGS__
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#define ENDM .endm
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/* To avoid reverse syntax we provide a new macro .PROC, replacing PROC... */
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.macro .PROC name
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.func \name
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#ifdef _X86_
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_\name:
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#else
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\name:
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#endif
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.cfi_startproc
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.equ cfa_current_offset, -8
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.endm
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#define FUNC .PROC
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/* ... and .ENDP, replacing ENDP */
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.macro .ENDP name
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.cfi_endproc
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.endfunc
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.endm
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#define ENDFUNC .ENDP
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/* MASM compatible PUBLIC */
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.macro PUBLIC symbol
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.global \symbol
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.endm
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/* Dummy ASSUME */
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.macro ASSUME p1 p2 p3 p4 p5 p6 p7 p8
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.endm
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/* MASM needs an end tag for segments */
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.macro .endcode16
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.endm
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/* MASM compatible ALIGN */
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#define ALIGN .align
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/* MASM compatible REPEAT, additional ENDR */
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#define REPEAT .rept
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#define ENDR .endr
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.macro ljmp segment, offset
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jmp far ptr \segment:\offset
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.endm
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.macro ljmp16 segment, offset
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jmp far ptr \segment:\offset
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.endm
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/* MASM compatible EXTERN */
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.macro EXTERN name
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.endm
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/* MASM needs an END tag */
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#define END
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.macro .MODEL model
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.endm
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.macro .code
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.text
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.endm
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/* check http://msdn.microsoft.com/en-us/library/9c9k076y%28VS.80%29.aspx
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and http://msdn.microsoft.com/en-us/library/ms679352%28VS.85%29.aspx */
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.macro FPO cdwLocals, cdwParams, cbProlog, cbRegs, fUseBP, cbFrame
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/* dummy */
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.endm
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/* Macros for x64 stack unwind OPs */
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.macro .allocstack size
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.cfi_adjust_cfa_offset \size
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.set cfa_current_offset, cfa_current_offset - \size
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.endm
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code = 1
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.macro .pushframe param=0
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.if (\param)
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.cfi_adjust_cfa_offset 0x30
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.set cfa_current_offset, cfa_current_offset - 0x30
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.else
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.cfi_adjust_cfa_offset 0x28
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.set cfa_current_offset, cfa_current_offset - 0x28
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.endif
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.endm
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.macro .pushreg reg
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.cfi_adjust_cfa_offset 8
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.equ cfa_current_offset, cfa_current_offset - 8
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.cfi_offset \reg, cfa_current_offset
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.endm
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.macro .savereg reg, offset
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// checkme!!!
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.cfi_offset \reg, \offset
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.endm
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.macro .savexmm128 reg, offset
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// checkme!!!
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.cfi_offset \reg, \offset
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.endm
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.macro .setframe reg, offset
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.cfi_def_cfa reg, \offset
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.equ cfa_current_offset, \offset
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.endm
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.macro .endprolog
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.endm
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.macro absolute address
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__absolute__address__ = \address
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ENDM
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.macro resb name, size
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\name = __absolute__address__
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__absolute__address__ = __absolute__address__ + \size
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ENDM
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.macro UNIMPLEMENTED2 file, line, func
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jmp 3f
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1: .asciz "\func"
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2: .asciz \file
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3:
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sub rsp, 0x20
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lea rcx, MsgUnimplemented[rip]
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lea rdx, 1b[rip]
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lea r8, 2b[rip]
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mov r9, \line
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call DbgPrint
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add rsp, 0x20
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.endm
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#define UNIMPLEMENTED UNIMPLEMENTED2 __FILE__, __LINE__,
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/* MASM/ML uses ".if" for runtime conditionals, and "if" for compile time
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conditionals. We therefore use "if", too. .if shouldn't be used at all */
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#define if .if
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#define endif .endif
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#define else .else
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#define elseif .elseif
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#define CR "\r"
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#define LF "\n"
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#define NUL "\0"
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#endif
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/* Common definitions for FPO macro
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see http://msdn.microsoft.com/en-us/library/ms679352%28VS.85%29.aspx */
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#define FRAME_FPO 0
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#define FRAME_TRAP 1
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#define FRAME_TSS 2
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#define FRAME_NONFPO 3
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