GCC 5 官方文档

2. Language Standards Supported by GCC

  • 2. Language Standards Supported by GCC

    • 3. GCC Command Options

  • 3. GCC Command Options
  • 3.1. Option Summary
  • 3.2. Options Controlling the Kind of Output
  • 3.3. Compiling C++ Programs
  • 3.4. Options Controlling C Dialect
  • 3.5. Options Controlling C++ Dialect
  • 3.6. Options Controlling Objective-C and Objective-C++ Dialects
  • 3.7. Options to Control Diagnostic Messages Formatting
  • 3.8. Options to Request or Suppress Warnings
  • 3.9. Options for Debugging Your Program or GCC
  • 3.10. Options That Control Optimization
  • 3.11. Options Controlling the Preprocessor
  • 3.12. Passing Options to the Assembler
  • 3.13. Options for Linking
  • 3.14. Options for Directory Search
  • 3.15. Specifying Subprocesses and the Switches to Pass to Them
  • 3.16. Specifying Target Machine and Compiler Version
  • 3.17. Hardware Models and Configurations
  • 3.17.1. AArch64 Options
  • 3.17.2. Adapteva Epiphany Options
  • 3.17.3. ARC Options
  • 3.17.4. ARM Options
  • 3.17.5. AVR Options
  • 3.17.6. Blackfin Options
  • 3.17.7. C6X Options
  • 3.17.8. CRIS Options
  • 3.17.9. CR16 Options
  • 3.17.10. Darwin Options
  • 3.17.11. DEC Alpha Options
  • 3.17.12. FR30 Options
  • 3.17.13. FRV Options
  • 3.17.14. GNU/Linux Options
  • 3.17.15. H8/300 Options
  • 3.17.16. HPPA Options
  • 3.17.17. IA-64 Options
  • 3.17.18. LM32 Options
  • 3.17.19. M32C Options
  • 3.17.20. M32R/D Options
  • 3.17.21. M680x0 Options
  • 3.17.22. MCore Options
  • 3.17.23. MeP Options
  • 3.17.24. MicroBlaze Options
  • 3.17.25. MIPS Options
  • 3.17.26. MMIX Options
  • 3.17.27. MN10300 Options
  • 3.17.28. Moxie Options
  • 3.17.29. MSP430 Options
  • 3.17.30. NDS32 Options
  • 3.17.31. Nios II Options
  • 3.17.32. Nvidia PTX Options
  • 3.17.33. PDP-11 Options
  • 3.17.34. picoChip Options
  • 3.17.35. PowerPC Options
  • 3.17.36. RL78 Options
  • 3.17.37. IBM RS/6000 and PowerPC Options
  • 3.17.38. RX Options
  • 3.17.39. S/390 and zSeries Options
  • 3.17.40. Score Options
  • 3.17.41. SH Options
  • 3.17.42. Solaris 2 Options
  • 3.17.43. SPARC Options
  • 3.17.44. SPU Options
  • 3.17.45. Options for System V
  • 3.17.46. TILE-Gx Options
  • 3.17.47. TILEPro Options
  • 3.17.48. V850 Options
  • 3.17.49. VAX Options
  • 3.17.50. Visium Options
  • 3.17.51. VMS Options
  • 3.17.52. VxWorks Options
  • 3.17.53. x86 Options
  • 3.17.54. x86 Windows Options
  • 3.17.55. Xstormy16 Options
  • 3.17.56. Xtensa Options
  • 3.17.57. zSeries Options
  • 3.18. Options for Code Generation Conventions
  • 3.19. Environment Variables Affecting GCC
  • 3.20. Using Precompiled Headers

    • 4. C Implementation-Defined Behavior

  • 4. C Implementation-Defined Behavior
  • 4.1. Translation
  • 4.2. Environment
  • 4.3. Identifiers
  • 4.4. Characters
  • 4.5. Integers
  • 4.6. Floating Point
  • 4.7. Arrays and Pointers
  • 4.8. Hints
  • 4.9. Structures, Unions, Enumerations, and Bit-Fields
  • 4.10. Qualifiers
  • 4.11. Declarators
  • 4.12. Statements
  • 4.13. Preprocessing Directives
  • 4.14. Library Functions
  • 4.15. Architecture
  • 4.16. Locale-Specific Behavior

    • 5. C++ Implementation-Defined Behavior

  • 5. C++ Implementation-Defined Behavior
  • 5.1. Conditionally-Supported Behavior
  • 5.2. Exception Handling

    • 6. Extensions to the C Language Family

  • 6. Extensions to the C Language Family
  • 6.1. Statements and Declarations in Expressions
  • 6.2. Locally Declared Labels
  • 6.3. Labels as Values
  • 6.4. Nested Functions
  • 6.5. Constructing Function Calls
  • 6.6. Referring to a Type with typeof
  • 6.7. Conditionals with Omitted Operands
  • 6.8. 128-bit Integers
  • 6.9. Double-Word Integers
  • 6.10. Complex Numbers
  • 6.11. Additional Floating Types
  • 6.12. Half-Precision Floating Point
  • 6.13. Decimal Floating Types
  • 6.14. Hex Floats
  • 6.15. Fixed-Point Types
  • 6.16. Named Address Spaces
  • 6.17. Arrays of Length Zero
  • 6.18. Structures with No Members
  • 6.19. Arrays of Variable Length
  • 6.20. Macros with a Variable Number of Arguments.
  • 6.21. Slightly Looser Rules for Escaped Newlines
  • 6.22. Non-Lvalue Arrays May Have Subscripts
  • 6.23. Arithmetic on void- and Function-Pointers
  • 6.24. Pointers to Arrays with Qualifiers Work as Expected
  • 6.25. Non-Constant Initializers
  • 6.26. Compound Literals
  • 6.27. Designated Initializers
  • 6.28. Case Ranges
  • 6.29. Cast to a Union Type
  • 6.30. Mixed Declarations and Code
  • 6.31. Declaring Attributes of Functions
  • 6.32. Label Attributes
  • 6.33. Attribute Syntax
  • 6.34. Prototypes and Old-Style Function Definitions
  • 6.35. C++ Style Comments
  • 6.36. Dollar Signs in Identifier Names
  • 6.37. The Character <ESC> in Constants
  • 6.38. Specifying Attributes of Variables
  • 6.39. Specifying Attributes of Types
  • 6.40. Inquiring on Alignment of Types or Variables
  • 6.41. An Inline Function is As Fast As a Macro
  • 6.42. When is a Volatile Object Accessed?
  • 6.43. How to Use Inline Assembly Language in C Code
  • 6.43.1. Basic Asm
  • 6.43.2. Extended Asm - Assembler Instructions with C Expression Operands
  • 6.43.3. Constraints for asm Operands
  • 6.43.3.1. Simple Constraints
  • 6.43.3.2. Multiple Alternative Constraints
  • 6.43.3.3. Constraint Modifier Characters
  • 6.43.3.4. Constraints for Particular Machines
  • 6.43.4. Controlling Names Used in Assembler Code
  • 6.43.5. Variables in Specified Registers
  • 6.43.5.1. Defining Global Register Variables
  • 6.43.5.2. Specifying Registers for Local Variables
  • 6.43.6. Size of an asm
  • 6.44. Alternate Keywords
  • 6.45. Incomplete enum Types
  • 6.46. Function Names as Strings
  • 6.47. Getting the Return or Frame Address of a Function
  • 6.48. Using Vector Instructions through Built-in Functions
  • 6.49. Support for offsetof
  • 6.50. Legacy __sync Built-in Functions for Atomic Memory Access
  • 6.51. Built-in Functions for Memory Model Aware Atomic Operations
  • 6.52. Built-in Functions to Perform Arithmetic with Overflow Checking
  • 6.53. x86-Specific Memory Model Extensions for Transactional Memory
  • 6.54. Object Size Checking Built-in Functions
  • 6.55. Pointer Bounds Checker Built-in Functions
  • 6.56. Cilk Plus C/C++ Language Extension Built-in Functions
  • 6.57. Other Built-in Functions Provided by GCC
  • 6.58. Built-in Functions Specific to Particular Target Machines
  • 6.58.1. AArch64 Built-in Functions
  • 6.58.2. Alpha Built-in Functions
  • 6.58.3. Altera Nios II Built-in Functions
  • 6.58.4. ARC Built-in Functions
  • 6.58.5. ARC SIMD Built-in Functions
  • 6.58.6. ARM iWMMXt Built-in Functions
  • 6.58.7. ARM C Language Extensions (ACLE)
  • 6.58.8. ARM Floating Point Status and Control Intrinsics
  • 6.58.9. AVR Built-in Functions
  • 6.58.10. Blackfin Built-in Functions
  • 6.58.11. FR-V Built-in Functions
  • 6.58.11.1. Argument Types
  • 6.58.11.2. Directly-Mapped Integer Functions
  • 6.58.11.3. Directly-Mapped Media Functions
  • 6.58.11.4. Raw Read/Write Functions
  • 6.58.11.5. Other Built-in Functions
  • 6.58.12. MIPS DSP Built-in Functions
  • 6.58.13. MIPS Paired-Single Support
  • 6.58.14. MIPS Loongson Built-in Functions
  • 6.58.14.1. Paired-Single Arithmetic
  • 6.58.14.2. Paired-Single Built-in Functions
  • 6.58.14.3. MIPS-3D Built-in Functions
  • 6.58.15. Other MIPS Built-in Functions
  • 6.58.16. MSP430 Built-in Functions
  • 6.58.17. NDS32 Built-in Functions
  • 6.58.18. picoChip Built-in Functions
  • 6.58.19. PowerPC Built-in Functions
  • 6.58.20. PowerPC AltiVec Built-in Functions
  • 6.58.21. PowerPC Hardware Transactional Memory Built-in Functions
  • 6.58.22. RX Built-in Functions
  • 6.58.23. S/390 System z Built-in Functions
  • 6.58.24. SH Built-in Functions
  • 6.58.25. SPARC VIS Built-in Functions
  • 6.58.26. SPU Built-in Functions
  • 6.58.27. TI C6X Built-in Functions
  • 6.58.28. TILE-Gx Built-in Functions
  • 6.58.29. TILEPro Built-in Functions
  • 6.58.30. x86 Built-in Functions
  • 6.58.31. x86 Transactional Memory Intrinsics
  • 6.59. Format Checks Specific to Particular Target Machines
  • 6.59.1. Solaris Format Checks
  • 6.59.2. Darwin Format Checks
  • 6.60. Pragmas Accepted by GCC
  • 6.60.1. ARM Pragmas
  • 6.60.2. M32C Pragmas
  • 6.60.3. MeP Pragmas
  • 6.60.4. RS/6000 and PowerPC Pragmas
  • 6.60.5. Darwin Pragmas
  • 6.60.6. Solaris Pragmas
  • 6.60.7. Symbol-Renaming Pragmas
  • 6.60.8. Structure-Packing Pragmas
  • 6.60.9. Weak Pragmas
  • 6.60.10. Diagnostic Pragmas
  • 6.60.11. Visibility Pragmas
  • 6.60.12. Push/Pop Macro Pragmas
  • 6.60.13. Function Specific Option Pragmas
  • 6.60.14. Loop-Specific Pragmas
  • 6.61. Unnamed Structure and Union Fields
  • 6.62. Thread-Local Storage
  • 6.62.1. ISO/IEC 9899:1999 Edits for Thread-Local Storage
  • 6.62.2. ISO/IEC 14882:1998 Edits for Thread-Local Storage
  • 6.63. Binary Constants using the ‘0b’ Prefix

    • 7. Extensions to the C++ Language

  • 7. Extensions to the C++ Language
  • 7.1. When is a Volatile C++ Object Accessed?
  • 7.2. Restricting Pointer Aliasing
  • 7.3. Vague Linkage
  • 7.4. C++ Interface and Implementation Pragmas
  • 7.5. Where's the Template?
  • 7.6. Extracting the Function Pointer from a Bound Pointer to Member Function
  • 7.7. C++-Specific Variable, Function, and Type Attributes
  • 7.8. Function Multiversioning
  • 7.9. Namespace Association
  • 7.10. Type Traits
  • 7.11. Java Exceptions
  • 7.12. Deprecated Features
  • 7.13. Backwards Compatibility

    • 8. GNU Objective-C Features

  • 8. GNU Objective-C Features
  • 8.1. GNU Objective-C Runtime API
  • 8.1.1. Modern GNU Objective-C Runtime API
  • 8.1.2. Traditional GNU Objective-C Runtime API
  • 8.2. +load: Executing Code before main
  • 8.2.1. What You Can and Cannot Do in +load
  • 8.3. Type Encoding
  • 8.3.1. Legacy Type Encoding
  • 8.3.2. @encode
  • 8.3.3. Method Signatures
  • 8.4. Garbage Collection
  • 8.5. Constant String Objects
  • 8.6. compatibility_alias
  • 8.7. Exceptions
  • 8.8. Synchronization
  • 8.9. Fast Enumeration
  • 8.9.1. Using Fast Enumeration
  • 8.9.2. C99-Like Fast Enumeration Syntax
  • 8.9.3. Fast Enumeration Details
  • 8.9.4. Fast Enumeration Protocol
  • 8.10. Messaging with the GNU Objective-C Runtime
  • 8.10.1. Dynamically Registering Methods
  • 8.10.2. Forwarding Hook

    • 9. Binary Compatibility

  • 9. Binary Compatibility

    • 10. gcov

  • 10. gcov
  • 10.1. Introduction to gcov
  • 10.2. Invoking gcov
  • 10.3. Using gcov with GCC Optimization
  • 10.4. Brief Description of gcov Data Files
  • 10.5. Data File Relocation to Support Cross-Profiling

    • 11. gcov-tool

  • 11. gcov-tool
  • 11.1. Introduction to gcov-tool
  • 11.2. Invoking gcov-tool

    • 12. Known Causes of Trouble

  • 12. Known Causes of Trouble with GCC
  • 12.1. Actual Bugs We Haven't Fixed Yet
  • 12.2. Interoperation
  • 12.3. Incompatibilities of GCC
  • 12.4. Fixed Header Files
  • 12.5. Standard Libraries
  • 12.6. Disappointments and Misunderstandings
  • 12.7. Common Misunderstandings with GNU C++
  • 12.7.1. Declare and Define Static Members
  • 12.7.2. Name Lookup, Templates, and Accessing Members of Base Classes
  • 12.7.3. Temporaries May Vanish Before You Expect
  • 12.7.4. Implicit Copy-Assignment for Virtual Bases
  • 12.8. Certain Changes We Don't Want to Make
  • 12.9. Warning Messages and Error Messages

    • 1. Programming Languages Supported by GCC

  • Using the GNU Compiler Collection (GCC)

    • Index

  • index

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