MPLAB C32 C COMPILER USER'S GUIDE

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MPLAB ® C32 C Compiler User’s GuideNOTES:DS51686A-page 6© 2007 Microchip Technology Inc.
Chapter 1. Language SpecificsMPLAB ® C32 C COMPILERUSER’S GUIDE1.1 INTRODUCTION1.2 HIGHLIGHTS1.3 OVERVIEWThis chapter discusses command line usage of the MPLAB C32 C compiler, attributes,pragmas and data representation.Items discussed in this chapter are:• Overview• File Naming Conventions• Data Storage• Predefined Macros• Attributes and Pragmas• Command Line Options• Compiling a Single File on the Command Line• Compiling Multiple Files on the Command LineThe compilation driver program (pic32-gcc) compiles, assembles and links C andassembly language modules and library archives. Most of the compiler command lineoptions are common to all implementations of the GCC toolset. A few are specific tothe MPLAB C32 C compiler.The basic form of the compiler command line is:pic32-gcc [options] filesNote:Command line options and file name extensions are case sensitive.The available options are described in Section 1.8 “Command Line Options”.For example, to compile, assemble and link the C source file hello.c, creating theabsolute executable hello.out.pic32-gcc -o hello.out hello.c1.4 FILE NAMING CONVENTIONSThe compilation driver recognizes the following file extensions, which are casesensitive.TABLE 1-1:Extensionsfile.cfile.hfile.ifile.ofile.sFILE NAMESDefinitionA C source file that must be preprocessed.A header file (not to be compiled or linked).A C source file that has already been pre-processed.An object file.An assembly language source file.© 2007 Microchip Technology Inc. DS51686A-page 7
Page 1 and 2: MPLAB C32C COMPILERUSER’S GUIDE©
Page 3 and 4: Table of ContentsMPLAB ® C32 C COM
Page 5 and 6: PrefaceMPLAB ® C32 C COMPILERUSER
Page 7 and 8: PrefaceRECOMMENDED READINGThis user
Page 9: PrefaceDEVELOPMENT SYSTEMS CUSTOMER
Page 13 and 14: Language Specifics1.5.6 limits.hThe
Page 15 and 16: Language Specifics__mips___mips_MIP
Page 17 and 18: Language SpecificsThe first_to_chec
Page 19 and 20: Language SpecificsGenerate a branch
Page 21 and 22: Language Specifics1.8.2 Options for
Page 25 and 26: Language SpecificsTABLE 1-5:-Wswitc
Page 27 and 28: Language SpecificsThe following -W
Page 29 and 30: Language SpecificsTABLE 1-6:-Wredun
Page 33 and 34: Language SpecificsTABLE 1-9: SPECIF
Page 35 and 36: Language SpecificsOptions of the fo
Page 37 and 38: Language SpecificsTABLE 1-11:-I--Id
Page 39 and 40: Language SpecificsTABLE 1-11: PREPR
Page 41 and 42: Language Specifics1.8.10 Options fo
Page 43 and 44: Language SpecificsTABLE 1-15:Option
Page 45 and 46: Language Specifics1.10 COMPILING MU
Page 47 and 48: MPLAB ® C32 C COMPILERUSER’S GUI
Page 49 and 50: Library Environment2.6.2 What Multi
Page 51 and 52: Chapter 3. InterruptsMPLAB ® C32 C
Page 53 and 54: Interrupts3.4.2 Vector PragmaThe ve
Page 55 and 56: MPLAB ® C32 C COMPILERUSER’S GUI
Page 57 and 58: Low Level Processor Control4.6 SPEC
Page 59 and 60: Low Level Processor Control4.8.1.1
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MPLAB ® C32 C COMPILERUSER’S GUI
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Compiler Runtime Environment5.5 HEA
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Compiler Runtime Environment5.7 STA
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Compiler Runtime EnvironmentWithout
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Compiler Runtime EnvironmentFIGURE
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Compiler Runtime Environment5.7.2.9
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Compiler Runtime Environment• The
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Compiler Runtime Environment5.7.4 S
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Compiler Runtime Environment5.8.3 P
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Compiler Runtime Environment(i.e.,
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Compiler Runtime Environment.dbg_da
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Compiler Runtime Environment*/. = A
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Compiler Runtime Environment5.9 RAM
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Implementation Defined BehaviorISO
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Implementation Defined BehaviorImpl
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IndexMPLAB ® C32 C COMPILERUSER’
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IndexCHAR_BIT .....................
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Indexread..........................
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Index-fcaller-saves ...............
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IndexStack Location ...............
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IndexNOTES:© 2007 Microchip Techno
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