MSP430 IAR C/C++ Compiler reference guide - Rice University

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Using a prebuilt libraryThe following table describes the different levels of debugging support:DebuggingsupportLinker option inIDEBasic debugging Debug informationfor C-SPYRuntime debugging With runtimecontrol modulesI/O debuggingLinker commandDescriptionline option-FubrofWith I/O emulation -rtmodulesTable 10: Levels of debugging support in runtime librariesDebug support for C-SPY without anyruntime support-r The same as -Fubrof, but alsoincludes debugger support forhandling program abort, exit, andassertions.The same as -r, but also includesdebugger support for I/O handling,which means that stdin andstdout are redirected to the C-SPYTerminal I/O window, and that it ispossible to access files on the hostcomputer during debugging.If you build your application project with the XLINK options With runtime controlmodules or With I/O emulation modules, certain functions in the library will bereplaced by functions that communicate with the IAR C-SPY Debugger. For furtherinformation, see C-SPY Debugger runtime interface, page 69.To set linker options for debug support in the IAR Embedded Workbench IDE, chooseProject>Options and select the Linker category. On the Output page, select theappropriate Format option.Using a prebuilt libraryThe prebuilt runtime libraries are configured for different combinations of the followingfeatures:●●●●●CoreData modelSize of the double floating-point typeLibrary configuration—Normal or FullPosition-independent code.48MSP430 IAR C/C++ CompilerReference Guide
The DLIB runtime environmentFor the MSP430 IAR C/C++ Compiler, the following prebuilt runtime libraries areavailable:Library Core Data modelThe names of the libraries are constructed in the following way:.r43whereSize ofdoubleLibraryconfigurationdl430fn.r43 430 -- 32 Normal Nodl430fnp.r43 430 -- 32 Normal Yesdl430ff.r43 430 -- 32 Full Nodl430ffp.r43 430 -- 32 Full Yesdl430dn.r43 430 -- 64 Normal Nodl430dnp.r43 430 -- 64 Normal Yesdl430df.r43 430 -- 64 Full Nodl430dfp.r43 430 -- 64 Full Yesdl430xsfn.r43 430X Small 32 Normal Nodl430xsff.r43 430X Small 32 Full Nodl430xsdn.r43 430X Small 64 Normal Nodl430xsdf.r43 430X Small 64 Full Nodl430xmfn.r43 430X Medium 32 Normal Nodl430xmff.r43 430X Medium 32 Full Nodl430xmdn.r43 430X Medium 64 Normal Nodl430xmdf.r43 430X Medium 64 Full Nodl430xlfn.r43 430X Large 32 Normal Nodl430xlff.r43 430X Large 32 Full Nodl430xldn.r43 430X Large 64 Normal Nodl430xldf.r43 430X Large 64 Full NoTable 11: Prebuilt librariesPIC●●●● is dl for the IAR DLIB runtime environment is either 430 or 430x is for MSP430X devices one of s, m, or l for Small, Medium, andLarge data model, respectively is either f for 32 bits or d for 64 bitsPart 1. Using the compiler49
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MSP430 IAR C/C++ CompilerReference
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Brief contentsTables ..............
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ContentsTables ....................
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Standard streams for input and outp
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Functions .........................
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-e ................................
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C language extensions .............
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__enable_interrupt ................
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Implementation-defined behavior ...
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32: Data pointers .................
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What this guide containsWhat this g
Page 25 and 26: PrefaceStyle[option]{option}a|b|cbo
Page 27: Part 1. Using the compilerThis part
Page 30 and 31: Supported MSP430 devicesIt is also
Page 32 and 33: Basic settings for project configur
Page 34 and 35: Basic settings for project configur
Page 36 and 37: Special support for embedded system
Page 38 and 39: Special support for embedded system
Page 40 and 41: Data models (MSP430X only)●means
Page 42 and 43: Memory types (MSP430X only)The MSP4
Page 44 and 45: Memory types (MSP430X only)Type def
Page 46 and 47: C++ and memory types (MSP430X only)
Page 48 and 49: Dynamic memory on the heapAnother p
Page 50 and 51: Primitives for interrupts, concurre
Page 58 and 59: Placing segments in memoryfrom the
Page 60 and 61: Placing segments in memorySee the I
Page 62 and 63: Data segmentsexample DATA16 and __d
Page 64 and 65: Data segmentsThe data segment used
Page 66 and 67: Data segmentsAdd the required heap
Page 68 and 69: C++ dynamic initializationINTERRUPT
Page 70 and 71: Verifying the linked result of code
Page 72 and 73: Introduction to the runtime environ
Page 76 and 77: Using a prebuilt library● is one
Page 78 and 79: Choosing formatters for printf and
Page 80 and 81: Overriding library modulesNote: If
Page 82 and 83: System startup and terminationThe l
Page 84 and 85: System startup and termination●
Page 86 and 87: Standard streams for input and outp
Page 88 and 89: Configuration symbols for printf an
Page 90 and 91: LocaleNote: If you link your librar
Page 92 and 93: Environment interactiondescribes th
Page 94 and 95: StrtodStrtodThe function strtod doe
Page 96 and 97: C-SPY Debugger runtime interface* T
Page 98 and 99: Checking module consistencyObject f
Page 100 and 101: Checking module consistencyIf this
Page 102 and 103: Runtime environment● Position-ind
Page 104 and 105: Input and output_medium_writeThe _m
Page 106 and 107: Overriding default library modules
Page 108 and 109: Checking module consistency82MSP430
Page 110 and 111: Mixing C and assemblerAn intrinsic
Page 112 and 113: Calling assembler routines from CIn
Page 114 and 115: Calling assembler routines from C++
Page 116 and 117: Calling conventionCHOOSING A CALLIN
Page 118 and 119: Calling conventionPreserved registe
Page 120 and 121: Calling conventionStack parameters
Page 122 and 123: Calling conventionExample 2This exa
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Call frame informationA full descri
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Call frame information100MSP430 IAR
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Overview●●●Runtime type infor
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Feature descriptionsalso apply to o
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Feature descriptionsA new expressio
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Feature descriptionsTemplates and d
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Feature descriptionsExamplevector d
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C++ language extensions●Constants
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Selecting data types● Declaring a
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Controlling data and function place
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Controlling data and function place
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Controlling compiler optimizationsT
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Controlling compiler optimizationss
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Writing efficient code}*p2 = 0;*p1
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Writing efficient codeint test(); /
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Writing efficient codeWDTCNTCL = 0x
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Writing efficient code130MSP430 IAR
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Include file search procedure●Via
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Diagnostics●●●Diagnostic mess
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DiagnosticsFatal errorA diagnostic
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Options syntaxFor options with a lo
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Compiler options summaryCompiler op
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Descriptions of optionsCommand line
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Descriptions of optionsDescriptionF
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Descriptions of options--diag_remar
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Descriptions of optionsTo set relat
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Descriptions of options--error_limi
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Descriptions of optionsFor informat
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Descriptions of optionsdocumentatio
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Descriptions of optionsNote: This o
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Descriptions of optionsThis option
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Descriptions of options--output, -o
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Descriptions of options--reduce_sta
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Descriptions of options--silentSynt
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Descriptions of options168MSP430 IA
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Basic data typesThe MSP430 IAR C/C+
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Basic data typesFLOATING-POINT TYPE
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Pointer typesDATA POINTERSThe follo
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Type qualifiersThe following diagra
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Data types in C++constant and non-c
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C language extensionsinstructions.
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C language extensionsIn the followi
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C language extensions{char a;unsign
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C language extensionsMINOR LANGUAGE
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C language extensionsint test(int x
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General syntax rules for extended k
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Summary of extended keywordsThe fol
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Descriptions of extended keywordsSe
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Descriptions of extended keywords__
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Descriptions of extended keywordsTh
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Descriptions of pragma directivesPr
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Descriptions of pragma directivesco
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Descriptions of pragma directivesdi
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Descriptions of pragma directivesin
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Descriptions of pragma directivesno
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Descriptions of pragma directivesna
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Descriptions of pragma directivesEx
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Descriptions of pragma directivesEx
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Descriptions of intrinsic functions
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Descriptions of predefined preproce
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Descriptions of miscellaneous prepr
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Descriptions of miscellaneous prepr
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IntroductionLIBRARY OBJECT FILESMos
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IAR DLIB LibraryHeader filestdbool.
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IAR DLIB LibraryThe following table
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IAR CLIB Librarystdio.hIn stdio.h,
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IAR CLIB Library240MSP430 IAR C/C++
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Descriptions of segmentsSegmentDATA
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Descriptions of segmentsDATA16_CDes
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Descriptions of segmentsDATA20_ACDe
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Descriptions of segmentsDATA20_ZDes
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Descriptions of segments250MSP430 I
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Descriptions of implementation-defi
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inary streams (CLIB) . . . . . . .
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CSTACK (segment)example . . . . . .
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--double (compiler option) . . . .
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eentrancy (DLIB) . . . . . . . . .
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ISO/ANSI Ccompiler extensions . . .
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memory segment. See segmentmemory t
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asic_template_matching, using . . .
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S--save_reg20 (compiler option). .
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strtod, in stdlib.h . . . . . . . .
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wchar.h (library header file) . . .
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__no_operation (intrinsic function)
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MSP430 IAR C/C++ Compiler reference guide - Rice University

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