Chapter 2.

Overview

Here is a brief summary of how to invoke

as

. For details, Chapter 3 Command Line Options.

as [ a[cdhlns][=file]] [  alternate] [ D]

[  defsym sym=val] [ f] [ g] [  gstabs] [  gstabs+]

[  gdwarf 2] [  help] [ I dir] [ J] [ K] [ L]

[  listing lhs width=NUM] [  listing lhs width2=NUM]

[  listing rhs width=NUM] [  listing cont lines=NUM]

[  keep locals] [ o objfile] [ R] [  statistics] [ v]

[ version] [  version] [ W ] [  warn] [  fatal warnings]

[ w] [ x] [ Z] [  target help] [target options]

[  |files ...]

Target Alpha options:

[ mcpu]

[ mdebug |  no mdebug]

[ relax] [ g] [ Gsize]

[ F] [ 32addr]

Target ARC options:

[ marc[5|6|7|8]]

[ EB| EL]

Target ARM options:

[ mcpu=processor[+extension...]]

[ march=architecture[+extension...]]

[ mfpu=floating point format]

[ mfloat abi=abi]

[ meabi=ver]

[ mthumb]

[ EB| EL]

[ mapcs 32| mapcs 26| mapcs float|

 mapcs reentrant]

[ mthumb interwork] [ moabi] [ k]

Target CRIS options:

[  underscore |   no underscore]

[  pic] [ N ]

[  emulation=criself |   emulation=crisaout]

Target D10V options:

[ O]

Target D30V options:

[ O| n| N ]

Target i386 options:

[  32|  64] [ n]

Target i960 options:

[ ACA| ACA_A| ACB| ACC| AKA| AKB|

 AKC| AMC]

[ b] [ no relax]

Target IP2K options:

[ mip2022| mip2022ext]