Full Generic System V ABI

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P S T A M P: Production stamp, limited to 256 ASCII characters.I S T A T E S: Space-separated list of valid run-levels during which this packagecan be installed. Run-levels are integers in the range 0 through 6, s and S[see <strong>System</strong> V Interface Definition, Third Edition, i n i t(AS_CMD)].R S T A T E S: Same as I S T A T E S, but applies to package removal.U L I M I T: Temporary file size limit to use during installation of this package[see g e t r l i m i t].I N T O N L Y: A parameter that indicates a package can only be installed interactivelyby the p k g a d d(AS_CMD) command. If this parameter is supplied andset to any non-null value (for example, y or y e s), the package can only beinstalled interactively. Otherwise, the package can be installed in a noninteractivemode using p k g a s k ( A S _ C M D ) or p k g a d d with the - n option.M A X I N S T: An integer that specifies the maximum number of instances of thispackage that can be installed on a system at one time. If this parameter isnot supplied, a default of 1 is used (at most one copy of the package can beinstalled on a system at any time).B A S E D I R: The pathname to a default directory where ‘‘relocatable’’ files maybe installed. If B A S E D I R is blank and the basedir variable in the a d m i n file isset to ‘‘default,’’ the package is not considered relocatable. In this case, iffiles have relative pathnames, package installation will fail. An administratorcan override B A S E D I R by setting the basedir variable in the a d m i n file.C L A S S E S: A space-separated list of package object classes to be installed.Every package object is assigned to one class (in the p k g m a p file). Classassignment can be used to control (for example, based on administratorinput at the time of installation) which objects are installed and to providespecific actions to be taken to install or remove them. The value of thisparameter can be overridden at the time of installation.P K G, N A M E, A R C H, V E R S I O N, C A T E G O R Y and B A S E D I R are mandatory parameters,that is, package developers must supply them. The rest are optional.Other parameters may be defined in the p k g i n f o file. If they are used as part ofpackage object pathnames in the p k g m a p file, the value supplied in the p k g i n f ofile is used as a default and may be overridden at the time ofinstallation. Other parameters will be made part of the environment in which installationscripts execute.⎜⎜⎜⎜E2-8 SOFTWARE INSTALLATION
The pkgmap FileEach line in the p k g m a p file describes a package object or installation script (withthe exception of one p k g m a p entry, described at the end of this section). The followinglist describes the space-separated fields in each p k g m a p entry; their ordermust be the same as in the list. Lines in the file that begin with # are ignored.part: A positive integer that indicates the part of a multi-part package inwhich this pathname resides.ftype: A one-character file type identifier from the set below:f a filed a directoryi an installation or removal scriptl a linked files a symbolic linkp a named pipeb a block special devicec a character special devicee a file installed or removed by editingv a volatile file, whose contents are expected to change as thepackage is used on the systemx an exclusive directory, which should contain only files installedas part of this or some other standard format packageclass: A package object class identifier, limited to 12 characters. n o n e is usedto specify no class membership. This field is not specified for files whoseftype is i.pathname: The pathname describing the location of the file on the targetmachine. For files of ftype, l or s, pathname must be of the form path1=path2,specifying the destination (path1) and source (path2) files to be linked. Specialcharacters, such as an equal sign (=), are included in pathnames by surroundingthe entire pathname in single quotes (as in, for example,’/ u s r / l i b / ˜ = ’).The pathname may contain variables which support relocation of the file. A$parameter may be embedded in the pathname structure. $ B A S E D I R can beused to identify the parent directories of the path hierarchy, making theentire package easily relocatable. Default values for parameter and B A S E D I Rmust be supplied in the p k g i n f o file and may be overridden at installation.File Formats 2-9
Page 1 and 2: SYSTEM VAPPLICATION BINARY INTERFAC
Page 3 and 4: LOW-LEVEL SYSTEM INFORMATION3Introd
Page 5: INIndexIndexIN-1ivTable of Contents
Page 8 and 9: 1 INTRODUCTIONSystem V Application
Page 10 and 11: Foundations and Structure of the AB
Page 12 and 13: How to Use the System V ABIThe comp
Page 14 and 15: 6 . The system’s compilation syst
Page 16 and 17: Definitions of TermsThe following t
Page 18 and 19: 2SOFTWARE INSTALLATIONSoftware Inst
Page 20 and 21: Software Structure of the Physical
Page 22 and 23: Figure 2-2: Data Stream File Layout
Page 24 and 25: A special new-line terminated chara
Page 28 and 29: major: The major device number, app
Page 30 and 31: NOTESince substantive differences e
Page 32 and 33: 1: fatal error2: warning3: interrup
Page 34 and 35: Commands That Install, Remove and A
Page 36 and 37: IntroductionThis chapter defines lo
Page 38 and 39: Machine Interface (Processor-Specif
Page 40 and 41: Operating System Interface (Process
Page 42 and 43: 4OBJECT FILESIntroduction 4-1File F
Page 44 and 45: Figure 4-1: Object File Format_____
Page 46 and 47: ELF HeaderSome object file control
Page 48 and 49: e _ v e r s i o ne _ e n t r ye _ p
Page 50 and 51: E I _ C L A S SE I _ D A T AThe nex
Page 52 and 53: SectionsAn object file’s section
Page 54 and 55: Figure 4-8: Section Headert y p e d
Page 56 and 57: S H T _ N U L LThis value marks the
Page 58 and 59: A section header’s s h _ f l a g
Page 60 and 61: Figure 4-13: Special Sections (cont
Page 62 and 63: . s h s t r t a b This section hold
Page 64 and 65: Symbol TableAn object file’s symb
Page 66 and 67: S T B _ W E A K Weak symbols resemb
Page 68 and 69: As mentioned above, the symbol tabl
Page 70 and 71: # d e f i n e E L F 32 _ R _ S Y M
Page 72 and 73: 5PROGRAM LOADING ANDDYNAMIC LINKING
Page 74 and 75: Program HeaderAn executable or shar
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P T _ D Y N A M I CP T _ I N T E R
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Figure 5-3: Segment Flag Bits, p _
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depending on the processor. See ‘
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NOTENote information is optional. T
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Dynamic LinkingProgram InterpreterA
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Because every ABI-conforming progra
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Figure 5-10: Dynamic Array Tags, d
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D T _ R P A T HD T _ S Y M B O L I
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If a shared object name has one or
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oth the symbol table and the chain
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6 LIBRARIESIntroduction 6-1Shared L
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IntroductionEvery ABI-conforming sy
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Dependencies Among LibrariesInter-l
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Figure 6-2: l i b s y s Contents, N
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NOTEBecause the ABI specifies neith
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_nameThis gives a system service na
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Figure 6-7: l i b c Contents from X
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i n t _ _ f l s b u f ( i n t x , F
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Network Services LibraryThe Network
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Figure 6-14: l i b n s l Contents,
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Curses LibraryThe curses library, l
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Figure 6-19: l i b c u r s e s Cont
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X Window System LibraryThe X Window
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Figure 6-21: l i b X Contents (cont
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Figure 6-21: l i b X Contents (cont
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X Toolkit Intrinsics LibraryGThe X
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Figure 6-23: l i b X t Contents (co
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System Data InterfacesStandard head
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7FORMATS AND PROTOCOLSIntroduction
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IntroductionThis chapter describes
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a r _ d a t ea r _ u i da r _ g i d
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As an example, the following symbol
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Terminfo Data BaseEach terminal’s
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37 | t t y 37 | A T & T m o d e l 3
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XDR Data TypesEach of the sections
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Single-Precision Floating-Point+ --
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Byte m of the sequence always prece
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Variable-length ArrayCounted arrays
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VoidAn XDR void is a 0-byte quantit
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Optional-data is not so interesting
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Because of transport independence,
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5 . The parameters to the remote pr
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The RPC Message ProtocolThis sectio
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** Body of a reply to an RPC reques
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⎜⎜c h a r * a u p _ m a c h n a
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The client too must check the verif
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* a d v _ w i n v e r f ; -- one ha
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pcbind MechanismAn r p c b i n d me
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The parameters and the argument poi
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Commands for Application ProgramsPr
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9EXECUTION ENVIRONMENTApplication E
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Per-process environment information
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The root directory of the file syst
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u s r / X / l i b / a p p - d e f a
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The System V Window SystemNOTEThis
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System V Window System ComponentsTh
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11DEVELOPMENT ENVIRONMENTSFOR AN AB
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a sSVID ___________________________
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Static ArchivesFrequently applicati
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t_rcv 12-12t_rcvconnect 12-12t_rcvu
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Required STREAMS Devices and Module
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Required Transport Layer SupportA t
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Figure 12-9: XTI values for t_info
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Optional Internet Transport Support
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t_optmgmtTLIUnder TLI the following
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Figure 12-14: IP OptionsX__________
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IN IndexIndexIN-1Table of Contentsi
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a u t h d e s _ f u l l n a m e 7:
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d e l _ c u r t e r m 6: 22d e l e
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f t o k 6: 5f t r u n c a t e 6: 12
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installation mediafile formats 2: 1
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m k s t e m p 6: 12m k t e m p 6: 1
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format 4: 1hash table 5: 13, 17, 21
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e p l y _ s t a t 7: 27required siz
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s i g s e n d 6: 5s i g s e n d s e
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T _ C O N N E C T 1 12: 5T _ C O N
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u n a m e 6: 6, 9: 1u n c t r l 6:
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w r i t e 6: 5, 18w r i t e v 6: 5w
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X D e f a u l t V i s u a l 6: 27X
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X G e t G e o m e t r y 6: 27X G e
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X r m P u t L i n e R e s o u r c e
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X t C v t I n t T o P i x e l 6: 31
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X t S t r i n g s 6: 32X t S u p e
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Full Generic System V ABI

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