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 Command-Line Options
 ********************
 
    This chapter describes command-line options available in _all_
 versions of the GNU assembler;  Machine Dependencies, for
 options specific to particular machine architectures.
 
    If you are invoking `as' via the GNU C compiler (version 2), you can
 use the `-Wa' option to pass arguments through to the assembler.  The
 assembler arguments must be separated from each other (and the `-Wa')
 by commas.  For example:
 
      gcc -c -g -O -Wa,-alh,-L file.c
 
 This passes two options to the assembler: `-alh' (emit a listing to
 standard output with with high-level and assembly source) and `-L'
 (retain local symbols in the symbol table).
 
    Usually you do not need to use this `-Wa' mechanism, since many
 compiler command-line options are automatically passed to the assembler
 by the compiler.  (You can call the GNU compiler driver with the `-v'
 option to see precisely what options it passes to each compilation
 pass, including the assembler.)
 

Menu

 
* a             -a[cdhlns] enable listings
* D             -D for compatibility
* f             -f to work faster
* I             -I for .include search path
 
* K             -K for difference tables
 
* L             -L to retain local labels
* listing       --listing-XXX to configure listing output
* M             -M or --mri to assemble in MRI compatibility mode
* MD            --MD for dependency tracking
* o             -o to name the object file
* R             -R to join data and text sections
* statistics    --statistics to see statistics about assembly
* traditional-format --traditional-format for compatible output
* v             -v to announce version
* W             -W, --no-warn, --warn, --fatal-warnings to control warnings
* Z             -Z to make object file even after errors
 

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