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<HTML><HEAD><TITLE>Assembler Directives</TITLE>
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href="http://rustam.uwp.edu/499/moredocs/as.html">Contents</A>|<A 
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<BR><A name=off_689725></A><A name=82f91f79></A><B><FONT 
face="Futura Md BT"><FONT size=+3>Assembler directives</FONT></FONT></B> <BR>
<HR width="100%" SIZE=3>
<FONT color=#000000><FONT size=+1><FONT face="Times New Roman">All assembler 
directives have names that begin with a period (</FONT><B><FONT 
face="Courier New">.</FONT></B><FONT face="Times New Roman">). The rest of the 
name is letters, usually in lower case.</FONT></FONT></FONT> 
<P><FONT face="Times New Roman"><FONT size=+1><FONT color=#000000>The following 
documentation discusses the directives that are available, regardless of the 
target machine configuration for the GNU assembler. Some machine configurations 
provide additional directives. See also </FONT><FONT color=#008000><A 
href="http://rustam.uwp.edu/499/moredocs/asMachine_Dependent_Features.html">Machine 
dependent features</A></FONT><FONT color=#000000>.</FONT></FONT></FONT> 
<UL type=SQUARE>
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#6cb39e9c">.abort</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#6cb39e9c">.ABORT</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#4f8da59f">.align 
  <I>abs-expr</I>, <I>abs-expr</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#b5f1df75">.app-file 
  <I>string</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#7df7ea36">.ascii 
  "<I>string</I>"...</A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#5a15f657">.asciz 
  "<I>string</I>"...</A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#936e6db8">.balign[wl] 
  <I>abs-expr</I>, <I>abs-expr</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#9132eccf">.byte 
  <I>expressions</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#f38b8d76">.comm 
  symbol, <I>length</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#40e4663b">.data 
  subsection</A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#db6ee9de">.def 
  name</A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#1aed263c">.desc 
  symbol,abs-expression</A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#000f23a8">.dim</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#fc15fb93">.double 
  <I>flonums</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#6d8db339">.eject</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#028c4a8d">.else</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#6d928694">.endef</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#6d928740">.endif</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#84df5eb9">.equ 
  <I>symbol</I>,<I>expression</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#69b9b118">.extern</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#9f7b21f5">.file 
  <I>string</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#8115f882">.fill 
  <I>repeat</I>, <I>size</I> , <I>value</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#61506ea6">.float 
  <I>flonums</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#095637e7">.global 
  <I>symbol</I>, .globl <I>symbol</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#99848e3d">.hword 
  <I>expressions</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#6e571864">.ident</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#d087b452">.if 
  <I>absolute</I> <I>expression</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#1f2dbe18">.include 
  "<I>file</I>"</A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#289a517e">.int 
  <I>expressions</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#285bbfb1">.irp 
  <I>symbol</I>, <I>values</I>...</A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#923f850a">.irpc 
  <I>symbol</I>, <I>values</I>...</A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#92d113f2">.lcomm 
  <I>symbol</I>, <I>length</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#a35b0f73">.lflags</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#19ea5242">.line 
  <I>line-number</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#489aac90">.ln 
  <I>line-number</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#5175dde5">.mri 
  <I>val</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#0294b2f6">.list</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#1e533993">.long 
  <I>expressions</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#6f2411a4">.macro</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#b6b722ef">.nolist</A></FONT></FONT></FONT> 

  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#1af451a6">.octa 
  <I>bignums</I></A></FONT></FONT></FONT> 
  <LI><FONT face="Courier New"><FONT color=#008000><FONT size=+1><A 
  href="http://rustam.uwp.edu/499/moredocs/asAssembler_Directives.html#1102fe6f">.org 
  <I>new-lc</I>, <I>fill</I></A></FONT></FONT></FONT>
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