Using

The GNU Assembler

for the family

January 1994

• Overview
  • Structure of this Manual
  • , the GNU Assembler
  • Object File Formats
  • Command Line
  • Input Files
  • Output (Object) File
  • Error and Warning Messages
• Command-Line Options
  • Enable Listings: -a[dhlns]
  • -D
  • Work Faster: -f
  • .include search path: -I path
  • Difference Tables: -K
  • Include Local Labels: -L
  • Assemble in MRI Compatibility Mode: -M
  • Name the Object File: -o
  • Join Data and Text Sections: -R
  • Display Assembly Statistics: --statistics
  • Announce Version: -v
  • Suppress Warnings: -W
  • Generate Object File in Spite of Errors: -Z
• Syntax
  • Preprocessing
  • Whitespace
  • Comments
  • Symbols
  • Statements
  • Constants
    • Character Constants
      • Strings
      • Characters
    • Number Constants
      • Integers
      • Bignums
      • Flonums
• Sections and Relocation
  • Background
  • Sections
  • Internal Sections
  • Sub-Sections
  • bss Section
• Symbols
  • Labels
  • Giving Symbols Other Values
  • Symbol Names
  • The Special Dot Symbol
  • Symbol Attributes
    • Value
    • Type
    • Symbol Attributes: a.out
      • Descriptor
      • Other
• Expressions
  • Empty Expressions
  • Integer Expressions
    • Arguments
    • Operators
    • Prefix Operator
    • Infix Operators
• Assembler Directives
  • .abort
  • .align abs-expr , abs-expr
  • .app-file string
  • .ascii "string"...
  • .asciz "string"...
  • .balign abs-expr , abs-expr
  • .byte expressions
  • .comm symbol , length
  • .data subsection
  • .double flonums
  • .eject
  • .else
  • .endif
  • .equ symbol, expression
  • .extern
  • .file string
  • .fill repeat , size , value
  • .float flonums
  • .global symbol, .globl symbol
  • .hword expressions
  • .ident
  • .if absolute expression
  • .include "file"
  • .int expressions
  • .irp symbol,values...
  • .irpc symbol,values...
  • .lcomm symbol , length
  • .lflags
  • .line line-number
  • .ln line-number
  • .list
  • .long expressions
  • .macro
  • .nolist
  • .octa bignums
  • .org new-lc , fill
  • .p2align abs-expr , abs-expr
  • .psize lines , columns
  • .quad bignums
  • .rept count
  • .sbttl "subheading"
  • .set symbol, expression
  • .short expressions
  • .single flonums
  • .space size , fill
  • .stabd, .stabn, .stabs
  • .string "str"
  • .text subsection
  • .title "heading"
  • .word expressions
  • Deprecated Directives
• Acknowledgements
• Index

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