2008-02-12 05:55:12 +00:00
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2015-05-10 21:03:33 +00:00
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#define ENABLE_FRAME_POINTER 1
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#undef TRUE
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//#define TRUE 1
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#undef FALSE
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//#define FALSE 0
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//#include "kxarmunw.h"
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2014-05-30 00:30:38 +00:00
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#ifdef _MSC_VER
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/* Globals */
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2015-05-10 21:03:33 +00:00
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GBLS __FuncStartLabel
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GBLS __FuncEpilog1StartLabel
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GBLS __FuncEpilog2StartLabel
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GBLS __FuncEpilog3StartLabel
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GBLS __FuncEpilog4StartLabel
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GBLS __FuncXDataLabel
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GBLS __FuncXDataPrologLabel
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GBLS __FuncXDataEpilog1Label
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GBLS __FuncXDataEpilog2Label
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GBLS __FuncXDataEpilog3Label
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GBLS __FuncXDataEpilog4Label
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GBLS __FuncXDataEndLabel
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GBLS __FuncEndLabel
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GBLS __FuncArea
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GBLS __FuncExceptionHandler
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MACRO
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__DeriveFunctionLabels $FuncName
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__FuncStartLabel SETS "|$FuncName|"
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__FuncEndLabel SETS "|$FuncName._end|"
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__FuncEpilog1StartLabel SETS "|$FuncName._epilog1_start|"
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__FuncEpilog2StartLabel SETS "|$FuncName._epilog2_start|"
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__FuncEpilog3StartLabel SETS "|$FuncName._epilog3_start|"
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__FuncEpilog4StartLabel SETS "|$FuncName._epilog4_start|"
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__FuncXDataLabel SETS "|$FuncName._xdata|"
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__FuncXDataPrologLabel SETS "|$FuncName._xdata_prolog|"
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__FuncXDataEpilog1Label SETS "|$FuncName._xdata_epilog1|"
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__FuncXDataEpilog2Label SETS "|$FuncName._xdata_epilog2|"
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__FuncXDataEpilog3Label SETS "|$FuncName._xdata_epilog3|"
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__FuncXDataEpilog4Label SETS "|$FuncName._xdata_epilog4|"
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__FuncXDataEndLabel SETS "|$FuncName._xdata_end|"
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MEND
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MACRO
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__ExportName $FuncName
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LCLS Name
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Name SETS "|$FuncName|"
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ALIGN 4
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EXPORT $Name
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$Name
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MEND
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MACRO
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__ExportProc $FuncName
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LCLS Name
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Name SETS "|$FuncName|"
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ALIGN 4
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EXPORT $Name
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$Name PROC
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MEND
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2014-05-30 00:30:38 +00:00
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MACRO
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TEXTAREA
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2015-05-10 21:03:33 +00:00
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#if defined(_CONTROL_FLOW_GUARD)
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AREA |.text|,ALIGN=4,CODE,READONLY
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#else
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AREA |.text|,ALIGN=2,CODE,READONLY
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#endif
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MEND
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MACRO
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DATAAREA
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AREA |.data|,DATA
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MEND
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MACRO
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RODATAAREA
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AREA |.rdata|,DATA,READONLY
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2014-05-30 00:30:38 +00:00
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MEND
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MACRO
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2015-05-10 21:03:33 +00:00
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NESTED_ENTRY $FuncName, $AreaName, $ExceptHandler
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__DeriveFunctionLabels $FuncName
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__FuncArea SETS "|.text|"
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IF "$AreaName" != ""
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__FuncArea SETS "$AreaName"
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ENDIF
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__FuncExceptionHandler SETS ""
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IF "$ExceptHandler" != ""
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__FuncExceptionHandler SETS "|$ExceptHandler|"
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ENDIF
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AREA $__FuncArea,CODE,READONLY
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__ExportProc $FuncName
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ROUT
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// __ResetUnwindState
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2014-05-30 00:30:38 +00:00
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MEND
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2015-05-10 21:03:33 +00:00
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// FIXME: this does not exist in native
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2014-05-30 00:30:38 +00:00
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MACRO
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PROLOG_END
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2015-05-10 21:03:33 +00:00
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/* Ignore for now */
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2014-05-30 00:30:38 +00:00
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MEND
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MACRO
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2015-05-10 21:03:33 +00:00
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NESTED_END $FuncName
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$__FuncEndLabel
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LTORG
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ENDP
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//AREA |.pdata|,ALIGN=2,READONLY
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//DCD $__FuncStartLabel
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//RELOC 2
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//DCD $__FuncXDataLabel
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//RELOC 2
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//__EmitUnwindXData
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//AREA $__FuncArea,CODE,READONLY
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__FuncStartLabel SETS ""
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__FuncEndLabel SETS ""
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2014-05-30 00:30:38 +00:00
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MEND
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2015-05-10 21:03:33 +00:00
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MACRO
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LEAF_ENTRY $FuncName, $AreaName
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NESTED_ENTRY $FuncName, $AreaName
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MEND
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2014-05-30 00:30:38 +00:00
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MACRO
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2015-05-10 21:03:33 +00:00
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LEAF_END $FuncName
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NESTED_END $FuncName
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2014-05-30 00:30:38 +00:00
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MEND
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MACRO
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2015-05-10 21:03:33 +00:00
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LEAF_ENTRY_NO_PDATA $FuncName, $AreaName
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__DeriveFunctionLabels $FuncName
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__FuncArea SETS "|.text|"
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IF "$AreaName" != ""
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__FuncArea SETS "$AreaName"
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ENDIF
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AREA $__FuncArea,CODE,READONLY
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__ExportProc $FuncName
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ROUT
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2014-05-30 00:30:38 +00:00
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MEND
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MACRO
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2015-05-10 21:03:33 +00:00
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LEAF_END_NO_PDATA $FuncName
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$__FuncEndLabel
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LTORG
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ENDP
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__FuncStartLabel SETS ""
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__FuncEndLabel SETS ""
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2014-05-30 00:30:38 +00:00
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MEND
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MACRO
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2015-05-10 21:03:33 +00:00
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ALTERNATE_ENTRY $FuncName
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__ExportName $FuncName
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ROUT
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2014-05-30 00:30:38 +00:00
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MEND
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2015-04-11 12:47:29 +00:00
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2015-05-10 21:03:33 +00:00
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2014-10-23 09:22:45 +00:00
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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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2015-04-11 12:47:29 +00:00
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2014-10-23 09:22:45 +00:00
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#define ASCII dcb
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2015-04-11 12:47:29 +00:00
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2014-10-23 09:22:45 +00:00
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MACRO
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UNIMPLEMENTED $Name
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2015-04-11 12:47:29 +00:00
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MEND
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2014-05-30 00:30:38 +00:00
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#else
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/* Compatibility define */
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#define EQU .equ
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.macro IMPORT Name
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/* Ignore */
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.endm
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2015-05-10 21:03:33 +00:00
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.macro EXPORT Name
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.global &Name
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.endm
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2008-02-12 05:55:12 +00:00
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.macro TEXTAREA
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2010-11-23 16:33:29 +00:00
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.section .text, "rx"
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2015-05-10 21:03:33 +00:00
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#if defined(_CONTROL_FLOW_GUARD)
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.align 4
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#else
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2008-02-12 05:55:12 +00:00
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.align 2
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2015-05-10 21:03:33 +00:00
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#endif
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.endm
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.macro DATAAREA
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.section .data, "rw"
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.endm
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.macro RODATAAREA
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.section .rdata, "rw"
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2008-02-12 05:55:12 +00:00
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.endm
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.macro NESTED_ENTRY Name
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2014-05-30 00:30:38 +00:00
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FuncName .equ &Name
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PrologName .equ &Name&_Prolog
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FuncEndName .equ &Name&_end
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.global &FuncName
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2008-02-12 05:55:12 +00:00
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.align 2
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2014-05-30 00:30:38 +00:00
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.func &FuncName
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&FuncName:
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2008-02-12 05:55:12 +00:00
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.endm
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2015-05-10 21:03:33 +00:00
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// FIXME: should go to kxarmunw.h
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2014-05-30 00:30:38 +00:00
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.macro PROLOG_END
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\PrologName:
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2008-02-12 05:55:12 +00:00
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.endm
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2015-05-10 21:03:33 +00:00
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.macro NESTED_END Name
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2014-05-30 00:30:38 +00:00
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&FuncEndName:
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2008-02-12 05:55:12 +00:00
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.endfunc
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.endm
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- Rewrite the low-level trap/exception/system call code from the ground up:
- Do not corrupt the stack anymore
- Use a consistent trap frame layout (enable OldIrql and PreviousMode, and set the 0xBADB0D00 debug mark)
- Use slower but more correct trap prolog/epilog code for now.
- Generalize all prolog/epilog code into macros just like on x86. As a result, traps are now 6 lines of code.
- Rewrite the system call interface from the ground up:
- System calls didn't actually work: a debug print made the stack layout magical enough so that they didn't normally crush, but only slowly ate the stack.
- Copying arguments from caller to system call was, as the comment on the original code so aptly put it, "total shit".
- Due to ABI concerns, and to provide an actual template on how you're -supposed- to implement something like system calls on RISC processors, we now use
a model similar to BSD, but about ten times better (with that much less code too). We'll document it later on the RosPSG Wiki.
- This code probably contains some of the most vile-yet-elegant macro magic ever written for such low-level code as system call dispatching.
- The result of all this is that we're at the same place as before (RamdiskAddDevice needs to be implemented by the Ramdisk guys) but with a sane low-level
backend that isn't slowly eating away the stack, corrupting data, and basically working through random chance.
- Move timebase code from stubs.c to its own file, time.c.
- Silence multiple debug prints and fix a corrupted debug print in KiSystemStartup.
svn path=/trunk/; revision=34366
2008-07-08 09:11:44 +00:00
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2015-05-10 21:03:33 +00:00
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.macro LEAF_ENTRY $FuncName, $AreaName
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NESTED_ENTRY $FuncName, $AreaName
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.endm
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.macro LEAF_END $FuncName
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NESTED_END $FuncName
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.endm
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/* Some "intrinsics", see http://codemachine.com/article_armasm.html */
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.macro __debugbreak
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DCD 0xDEFE
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- Rewrite the low-level trap/exception/system call code from the ground up:
- Do not corrupt the stack anymore
- Use a consistent trap frame layout (enable OldIrql and PreviousMode, and set the 0xBADB0D00 debug mark)
- Use slower but more correct trap prolog/epilog code for now.
- Generalize all prolog/epilog code into macros just like on x86. As a result, traps are now 6 lines of code.
- Rewrite the system call interface from the ground up:
- System calls didn't actually work: a debug print made the stack layout magical enough so that they didn't normally crush, but only slowly ate the stack.
- Copying arguments from caller to system call was, as the comment on the original code so aptly put it, "total shit".
- Due to ABI concerns, and to provide an actual template on how you're -supposed- to implement something like system calls on RISC processors, we now use
a model similar to BSD, but about ten times better (with that much less code too). We'll document it later on the RosPSG Wiki.
- This code probably contains some of the most vile-yet-elegant macro magic ever written for such low-level code as system call dispatching.
- The result of all this is that we're at the same place as before (RamdiskAddDevice needs to be implemented by the Ramdisk guys) but with a sane low-level
backend that isn't slowly eating away the stack, corrupting data, and basically working through random chance.
- Move timebase code from stubs.c to its own file, time.c.
- Silence multiple debug prints and fix a corrupted debug print in KiSystemStartup.
svn path=/trunk/; revision=34366
2008-07-08 09:11:44 +00:00
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.endm
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2014-05-30 00:30:38 +00:00
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2015-05-10 21:03:33 +00:00
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.macro __assertfail
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DCD 0xDEFC
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.endm
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.macro __fastfail
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DCD 0xDEFB
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.endm
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.macro __rdpmccntr64
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DCD 0xDEFA
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.endm
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.macro __debugservice
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DCD 0xDEFD
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.endm
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.macro __brkdiv0
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DCD 0xDEF9
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.endm
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2014-05-30 00:30:38 +00:00
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#endif
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