TASKING VX-toolset for 8051 User Guide

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TASKING VX-toolset for 8051 User Guideviii
Chapter 1. C LanguageThis chapter describes the target specific features of the C language, including language extensions thatare not standard in ISO-C. For example, pragmas are a way to control the compiler from within the Csource.The TASKING C compiler for 8051 fully supports the ISO-C standard and add extra possibilities to programthe special functions of the target.In addition to the standard C language, the compiler supports the following:• keywords to specify memory types for data and functions• attribute to specify absolute addresses• intrinsic (built-in) functions that result in target specific assembly instructions• pragmas to control the compiler from within the C source• predefined macros• the possibility to use assembly instructions in the C source• keywords for inlining functions and programming interrupt routines• librariesAll non-standard keywords have two leading underscores (__).In this chapter the target specific characteristics of the C language are described, including the abovementioned extensions.1.1. Data TypesFundamental Data TypesThe C compiler supports the ISO C99 defined data types. The sizes of these types are shown in thefollowing table.C TypeSizeAlignLimits__bit110 or 1_Bool180 or 1signed char88[-2 7 , 2 7 -1]unsigned char88[0, 2 8 -1]short168[-2 15 , 2 15 -1]unsigned short168[0, 2 16 -1]int168[-2 15 , 2 15 -1]1
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Page 3 and 4: Table of Contents1. C Language ....
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Page 11 and 12: C Language• Pointer to __bit is a
Page 13 and 14: C LanguageThe 8051 C compiler is ve
Page 15 and 16: C Language3. Optionally enable the
Page 17 and 18: C Languageint b6 : 1;int b7 : 1;int
Page 19 and 20: C Languageregister file you want us
Page 21 and 22: C LanguageConstraintcharacterTypeOp
Page 23 and 24: C Language}"MOV %0, A": "=r" (out):
Page 25 and 26: C LanguageMOV R1, A; Code generated
Page 27 and 28: C Languagealias("symbol")You can us
Page 29 and 30: C LanguagenoreturnSome standard C f
Page 31 and 32: C LanguageYou can see a label pragm
Page 33 and 34: C Languagebinary_switchsmart_switch
Page 35 and 36: C LanguageA weak definition can be
Page 37 and 38: C Language1.7.2. Initialized Variab
Page 39 and 40: C LanguageA jump chain is comparabl
Page 41 and 42: C LanguageParameter Type32 bitRegis
Page 43 and 44: C LanguageSaved valueStackOffset (f
Page 45 and 46: C Languagecaller savescallee savesd
Page 47 and 48: C Language...}The __isr type qualif
Page 49 and 50: C Language__bank0 void main( void )
Page 51 and 52: C LanguageAssign value to the bit a
Page 53 and 54: C Language__pdata int barcode;/* Se
Page 55 and 56: Chapter 2. Assembly LanguageThis ch
Page 57 and 58: Assembly LanguageCharacter Descript
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Assembly Language2.5. RegistersThe
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Assembly LanguageBaseBinaryOctalDes
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Assembly LanguageTypeOperatorNameDe
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Assembly LanguageWhen a macro is ca
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Assembly LanguageMOV R5, #2MOV R0,
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Assembly Language)INC R0DJNZ R7, %L
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Assembly LanguageComment function:
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Assembly LanguageEscape function: %
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Assembly LanguageGroup function: %{
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Assembly Language%EQS, %NES, %LTS,
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Assembly Language%EVALSyntax%EVAL(e
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Assembly Language%SET(MVAR,0)%UNTIL
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Assembly Language%IFSyntax%IF(expre
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Assembly Language%IFDEF, %IFNDEFSyn
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Assembly Language%IN, %OUTSyntax%IN
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Assembly Language.db 3.db 4The resu
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Assembly Language%MATCHSyntax%MATCH
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Assembly Language%METACHARSyntax%ME
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Assembly Language%REPEATSyntax%REPE
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Assembly Language%SUBSTRSyntax%SUBS
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Assembly Language%WHILESyntax%WHILE
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Profiling4.2.2. Step 2: Displaying
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ProfilingCalls %In the caller table
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Chapter 5. Using the AssemblerThis
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Using the AssemblerTo access the as
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Using the AssemblerTo generate a li
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Chapter 6. Using the LinkerThis cha
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Using the LinkerTermRelocationinfor
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Using the LinkerTo assign locations
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Using the LinkerLibrariesc51m{r | s
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Using the LinkerUser libraryIf you
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Using the Linker6.6. Linker Optimiz
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Using the Linkername project_name.l
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Using the LinkerThe architecture de
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Using the Linker{}// section placem
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Using the Linker}id = 6;mau = 8;map
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Using the Linker6.7.6. The Processo
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Using the LinkerThe new memory is a
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Using the Linkerlabels are used to
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Using the LinkerExample on the comm
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Chapter 7. Using the UtilitiesThe T
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Using the Utilities7.2. Make Utilit
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Using the UtilitiesoptionFor a comp
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Using the UtilitiesTarget.SILENT.SU
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Using the UtilitiesLDFLAGS = -lc51s
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Using the Utilities$(match .obj pro
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Using the Utilitieselse-linesendif7
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Using the UtilitiesStatic pattern r
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Using the UtilitiesWith the += oper
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Using the Utilities7.3.4. Makefile
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Using the Utilities7.3.7. Makefile
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Using the Utilities7.4. ArchiverThe
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Using the UtilitiesDescriptionDispl
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Using the Utilities7.5. Expire Cach
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Chapter 8. Using the DebuggerThis c
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Using the DebuggerInitialization ta
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Using the Debugger• In the Projec
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Using the Debugger• Debugger loca
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Using the DebuggerTo open views in
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Using the DebuggerStepping through
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Using the DebuggerVT100 characteris
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Using the DebuggerRenderingsYou can
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Using the Debugger• You can chang
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Chapter 9. Tool OptionsThis chapter
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Tool OptionsEclipse optionDebugging
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Tool OptionsEclipse optionUse a 'fi
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Tool Options9.2. C Compiler Options
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Tool OptionsC compiler option: --ch
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Tool OptionsC compiler option: --de
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Tool OptionsTo write an explanation
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Tool OptionsC compiler option: --ex
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Tool OptionsC compiler option: --in
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Tool OptionsC compiler option: --is
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Tool OptionsC compiler option: --la
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Tool Optionsextern unsigned int var
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Tool OptionsC compiler option: --ma
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Tool OptionsC compiler option: --mi
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Tool OptionsC compiler option: --mi
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Tool OptionsC compiler option: --mo
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Tool OptionsC compiler option: --no
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Tool OptionsC compiler option: --no
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Tool OptionsC compiler option: --op
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Tool OptionsC compiler option: --op
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Tool OptionsC compiler option: --ou
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Tool OptionsWith --preprocess=+noli
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Tool OptionsC compiler option: --re
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Tool OptionsC compiler option: --ro
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Tool OptionsC compiler option: --so
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Tool OptionsC compiler option: --tr
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Tool OptionsC compiler option: --un
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Tool OptionsC compiler option: --ve
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Tool OptionsC compiler option: --wa
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Tool OptionsAssembler option: --all
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Tool OptionsAssembler option: --che
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Tool OptionsAssembler option: --deb
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Tool OptionsYou can now use a macro
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Tool OptionsAssembler option: --dia
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Tool OptionsAssembler option: --emi
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Tool OptionsAssembler option: --err
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Tool OptionsAssembler option: --inc
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Tool OptionsAssembler option: --inc
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Tool OptionsAssembler option: --kee
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Tool OptionsAssembler option: --lis
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Tool OptionsAssembler option: --mak
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Tool OptionsAssembler option: --no-
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Tool OptionsAssembler option: --opt
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Tool Options• It is possible to n
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Tool OptionsAssembler option: --pag
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Tool OptionsAssembler option: --par
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Tool OptionsAssembler option: --pre
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Tool OptionsAssembler option: --sec
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Tool OptionsAssembler option: --sym
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Tool OptionsAssembler option: --war
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Tool Options9.4. Linker OptionsThis
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Tool OptionsLinker option: --chip-o
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Tool OptionsLinker option: --define
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Tool OptionsThis is an error when t
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Tool OptionsLinker option: --error-
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Tool OptionsLinker option: --first-
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Tool OptionsLinker option: --hex-fo
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Tool OptionsLinker option: --import
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Tool OptionsLinker option: --increm
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Tool OptionsLinker option: --librar
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Tool OptionsFirst the linker looks
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Tool OptionsLinker option: --lsl-ch
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Tool OptionsLinker option: --lsl-fi
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Tool OptionsLinker option: --map-fi
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Tool OptionsLinker option: --misra-
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Tool OptionsLinker option: --no-res
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Tool OptionsLinker option: --no-war
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Tool OptionsDescriptionWith this op
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Tool Options• It is possible to n
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Tool OptionsUse option --chip-outpu
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Tool OptionsLinker option: --user-p
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Tool OptionsLinker option: --versio
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Tool Options9.5. Control Program Op
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Tool OptionsControl program option:
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Tool Optionscc51 --cpu=tc26x --incl
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Tool OptionsRelated informationSect
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Tool OptionsFirst the linker looks
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Tool Options--debug-info--define=DE
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Tool OptionsWith --preprocess=+make
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Tool OptionsDefining MacrosCommand
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Tool OptionsMake utility option: -a
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Tool OptionsMake utility option: -D
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Tool OptionsMake utility option: -e
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Tool OptionsMake utility option: -f
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Tool OptionsMake utility option: -i
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Tool OptionsMake utility option: -k
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Tool OptionsSpecify the option file
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Tool OptionsMake utility option: -p
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Tool OptionsMake utility option: -r
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Tool OptionsMake utility option: -s
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Tool OptionsMake utility option: -t
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Tool OptionsMake utility option: -W
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Tool OptionsMake utility option: -x
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Tool OptionsParallel make utility o
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Tool OptionsDescriptionDisplay opti
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Tool OptionsArchiver option: --dump
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Tool OptionsArchiver option: --help
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Tool OptionsArchiver option: --opti
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Tool OptionsArchiver option: --prin
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Tool OptionsThe library mylib.lib a
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Tool OptionsArchiver option: --warn
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Tool OptionsExpire cache utility op
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Chapter 10. LibrariesThis chapter c
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Librariesctype.h_tolower_toupperisa
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Librariesferaiseexceptfesetexceptfl
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Libraries#define and &&#define and_
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LibrariesExponential and logarithmi
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LibrariesManipulation functions: co
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LibrariesSIGILLSIGFPESIGSEGVSIGTERM
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LibrariesMacrosstdio.hNULLBUFSIZEOF
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Librariesis a long double. 'j' indi
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Librariesstdio.hsscanf(*s, format,.
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LibrariesRandom accessstdio.hfseek(
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Librariesstdlib.hfloat strtof(*s,**
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Librariesmbstowcs(*pwcs,*s,n) Conve
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Librariesclock_t unsigned long long
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Libraries%x%X%y%Y%z%Z%%local date r
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Libraries10.1.27. wctype.hMost func
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LibrariesFunctionbsearchbtowccabs c
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LibrariesFunctionfmod fmodf fmodlfo
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LibrariesFunctionlogb logbf logbllo
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LibrariesFunctionstrcspn wcscspnstr
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LibrariesThe I/O part of the C libr
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Chapter 11. List File FormatsThis c
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List File FormatsEach page displays
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List File FormatsIconMeaningCallerD
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Chapter 12. Object File FormatsThis
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Object File FormatsExtended Linear
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Object File FormatsS0lengthcommentc
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Chapter 13. Linker Script Language
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Linker Script Language (LSL)form th
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Linker Script Language (LSL)tag_att
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Linker Script Language (LSL)max()in
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Linker Script Language (LSL)map_des
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Linker Script Language (LSL)• A s
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Linker Script Language (LSL)endiann
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Linker Script Language (LSL)space_r
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Linker Script Language (LSL)aggrega
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Linker Script Language (LSL)section
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Linker Script Language (LSL)}defini
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Linker Script Language (LSL)• The
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Linker Script Language (LSL)With th
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Linker Script Language (LSL)If you
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Linker Script Language (LSL)}map (d
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Linker Script Language (LSL)If the
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Linker Script Language (LSL)With th
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Linker Script Language (LSL)}size =
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Linker Script Language (LSL)allowed
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Linker Script Language (LSL)}sectio
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Linker Script Language (LSL)This is
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Linker Script Language (LSL)If sect
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Linker Script Language (LSL)• The
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Linker Script Language (LSL)Propert
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Linker Script Language (LSL)The lin
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Chapter 14. MISRA-C RulesThis chapt
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MISRA-C Rules46.47.48.49.50.51.52.5
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MISRA-C Rules106.(R)Automatic addre
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MISRA-C RulesIdentifiers5.15.25.35.
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MISRA-C RulesPointer type conversio
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MISRA-C RulesFunctions16.116.216.31
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MISRA-C Rules20.420.520.620.720.820
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