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Overview ofvia files

Via files are plain text files that allow you to specify assembler command-line arguments and options.

Typically, you use a via file to overcome the command-line length limitations. However, you might want to create multiple via files that:

  • Group similar arguments and options together.
  • Contain different sets of arguments and options to be used in different scenarios.


In general, you can use a via file to specify any command-lineoption to a tool, including --via. This means that youcan call multiple nested via files from within a via file.

Via file evaluation

When the assembler is invoked it:

  1. Replaces the first specified --via via_file argumentwith the sequence of argument words extracted from the via file,including recursively processing any nested --via commandsin the via file.

  2. Processes any subsequent --via via_file argumentsin the same way, in the order they are presented.

That is, via files are processed in the order you specifythem, and each via file is processed completely including processingnested via files before processing the next via file.

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