User`s guide
GNU Assembler 7–1
7
GNU Assembler
7.1 Overview
The Free Software Foundation GNU assembler (GAS) takes source files as input and
assembles them into a.out format object files. GAS has been modified to include
support for the PALcode extensions described in the following documents:
• DIGITAL Semiconductor Alpha 21164PC Microprocessor Hardware Reference
Manual
• DIGITAL Semiconductor Alpha 21164 Microprocessor Hardware Reference
Manual
• DIGITAL Semiconductor Alpha 21064 and Alpha 21064A Microprocessors
Hardware Reference Manual
More detailed documentation about GAS is available from the Free Software Foun-
dation.
7.2 Command Format
The basic GAS command format is:
>% gas [-
options
]
input_file_list