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

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Descriptions of implementation-defined behaviorMessage returned by strerror() (7.11.6.2)The messages returned by strerror() depending on the argument are:ArgumentMessageEZEROno errorEDOMdomain errorERANGErange error99 unknown errorall otherserror No.xxTable 48: Message returned by strerror()—IAR CLIB libraryThe time zone (7.12.1)The time zone function is not supported.clock() (7.12.2.1)The clock() function is not supported.264MSP430 IAR C/C++ CompilerReference Guide
IndexIndexAabortimplementation-defined behavior (CLIB) . . . . . . . . . . 263implementation-defined behavior (DLIB) . . . . . . . . . . 260system termination (DLIB) . . . . . . . . . . . . . . . . . . . . . . 59absolute locationdata, placing at (@) . . . . . . . . . . . . . . . . . . . . . . . . . . . 117language support for . . . . . . . . . . . . . . . . . . . . . . . . . . 181#pragma location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207addressing. See memory types and data modelsalgorithm (STL header file) . . . . . . . . . . . . . . . . . . . . . . . 235alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169in structures (#pragma pack) . . . . . . . . . . . . . . . . . . . . 210in structures, causing problems . . . . . . . . . . . . . . . . . . 114of an object (__ALIGNOF__) . . . . . . . . . . . . . . . . . . . 181of data types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169restrictions for inline assembler . . . . . . . . . . . . . . . . . . . 85alignment (pragma directive) . . . . . . . . . . . . . . . . . . . . . . 257__ALIGNOF__ (operator) . . . . . . . . . . . . . . . . . . . . . . . . 181anonymous structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115anonymous symbols, creating . . . . . . . . . . . . . . . . . . . . . . 183applicationbuilding, overview of . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4startup and termination (CLIB) . . . . . . . . . . . . . . . . . . . 79startup and termination (DLIB) . . . . . . . . . . . . . . . . . . . 56architectures, MSP430 and MSP430X . . . . . . . . . . . . . . 6, 13ARGFRAME (assembler directive) . . . . . . . . . . . . . . . . . . 96ARGSUSED (pragma directive) . . . . . . . . . . . . . . . . . . . . 257arraysdesignated initializers in . . . . . . . . . . . . . . . . . . . . . . . 185implementation-defined behavior. . . . . . . . . . . . . . . . . 255incomplete at end of structs . . . . . . . . . . . . . . . . . . . . . 183non-lvalue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187of incomplete types . . . . . . . . . . . . . . . . . . . . . . . . . . . 186single-value initialization. . . . . . . . . . . . . . . . . . . . . . . 187asm, __asm (language extension) . . . . . . . . . . . . . . . . . . . 183assembler codecalling from C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86calling from C++ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88inline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85assembler labels, making public (--public_equ) . . . . . . . . 163assembler language interface . . . . . . . . . . . . . . . . . . . . . . . 83calling convention. See assembler codeassembler list file, generating . . . . . . . . . . . . . . . . . . . . . . 153assembler output file. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87assembler, inline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182asserts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68implementation-defined behavior of, (CLIB). . . . . . . . 261implementation-defined behavior of, (DLIB). . . . . . . . 258including in application . . . . . . . . . . . . . . . . . . . . . . . . 228assert.h (CLIB header file) . . . . . . . . . . . . . . . . . . . . . . . . 239assert.h (DLIB header file) . . . . . . . . . . . . . . . . . . . . . . . . 233atoll, C99 extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238atomic operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26__monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195attributesobject . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189auto variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20–21at function entrance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92programming hints for efficient code . . . . . . . . . . . . . . 124using in inline assembler code . . . . . . . . . . . . . . . . . . . . 85BBarr, Michael . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxivbaseaddr (pragma directive) . . . . . . . . . . . . . . . . . . . . . . . 257__BASE_FILE__ (predefined symbol). . . . . . . . . . . . . . . 226basic type names, using in preprocessor expressions(--migration_preprocessor_extensions). . . . . . . . . . . . . . . 155basic_template_matching (pragma directive) . . . . . . . . . . 200using . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109__bcd_add_long (intrinsic function) . . . . . . . . . . . . . . . . . 217__bcd_add_long_long (intrinsic function) . . . . . . . . . . . . 217__bcd_add_short (intrinsic function) . . . . . . . . . . . . . . . . 217__bic_SR_register (intrinsic function) . . . . . . . . . . . . . . . 217__bic_SR_register_on_exit (intrinsic function). . . . . . . . . 217265
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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
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PrefaceStyle[option]{option}a|b|cbo
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Part 1. Using the compilerThis part
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Supported MSP430 devicesIt is also
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Basic settings for project configur
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Basic settings for project configur
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Special support for embedded system
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Special support for embedded system
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Data models (MSP430X only)●means
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Memory types (MSP430X only)The MSP4
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Memory types (MSP430X only)Type def
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C++ and memory types (MSP430X only)
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Dynamic memory on the heapAnother p
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Primitives for interrupts, concurre
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Placing segments in memoryfrom the
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Placing segments in memorySee the I
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Data segmentsexample DATA16 and __d
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Data segmentsThe data segment used
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Data segmentsAdd the required heap
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C++ dynamic initializationINTERRUPT
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Verifying the linked result of code
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Introduction to the runtime environ
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Using a prebuilt libraryThe followi
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Using a prebuilt library● is one
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Choosing formatters for printf and
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Overriding library modulesNote: If
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System startup and terminationThe l
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System startup and termination●
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Standard streams for input and outp
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Configuration symbols for printf an
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LocaleNote: If you link your librar
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Environment interactiondescribes th
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StrtodStrtodThe function strtod doe
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C-SPY Debugger runtime interface* T
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Checking module consistencyObject f
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Checking module consistencyIf this
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Runtime environment● Position-ind
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Input and output_medium_writeThe _m
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Overriding default library modules
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Checking module consistency82MSP430
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Mixing C and assemblerAn intrinsic
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Calling assembler routines from CIn
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Calling assembler routines from C++
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Calling conventionCHOOSING A CALLIN
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Calling conventionPreserved registe
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Calling conventionStack parameters
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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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132
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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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Page 242 and 243: Descriptions of intrinsic functions
Page 252 and 253: Descriptions of predefined preproce
Page 254 and 255: Descriptions of miscellaneous prepr
Page 256 and 257: Descriptions of miscellaneous prepr
Page 258 and 259: IntroductionLIBRARY OBJECT FILESMos
Page 260 and 261: IAR DLIB LibraryHeader filestdbool.
Page 262 and 263: IAR DLIB LibraryThe following table
Page 264 and 265: IAR CLIB Librarystdio.hIn stdio.h,
Page 266 and 267: IAR CLIB Library240MSP430 IAR C/C++
Page 268 and 269: Descriptions of segmentsSegmentDATA
Page 270 and 271: Descriptions of segmentsDATA16_CDes
Page 272 and 273: Descriptions of segmentsDATA20_ACDe
Page 274 and 275: Descriptions of segmentsDATA20_ZDes
Page 276 and 277: Descriptions of segments250MSP430 I
Page 278 and 279: Descriptions of implementation-defi
Page 292 and 293: inary streams (CLIB) . . . . . . .
Page 294 and 295: CSTACK (segment)example . . . . . .
Page 296 and 297: --double (compiler option) . . . .
Page 298 and 299: eentrancy (DLIB) . . . . . . . . .
Page 300 and 301: ISO/ANSI Ccompiler extensions . . .
Page 302 and 303: memory segment. See segmentmemory t
Page 304 and 305: asic_template_matching, using . . .
Page 306 and 307: S--save_reg20 (compiler option). .
Page 308 and 309: strtod, in stdlib.h . . . . . . . .
Page 310 and 311: wchar.h (library header file) . . .
Page 312: __no_operation (intrinsic function)
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