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Document -mvxworks on ppc ELF.



This change was in the Red Hat tree but not on sourceware.

Tested with 'make info' on ppc-linux.

-- 
- Geoffrey Keating <geoffk@cygnus.com>

===File ~/patches/cygnus/rs6000-vxworksdoc.patch============
Index: ChangeLog
===================================================================
RCS file: /cvs/gcc/egcs/gcc/ChangeLog,v
retrieving revision 1.7605
diff -p -u -u -p -r1.7605 ChangeLog
--- ChangeLog	2000/09/04 01:42:25	1.7605
+++ ChangeLog	2000/09/04 01:43:26
@@ -1,5 +1,7 @@
 2000-09-03  Geoff Keating  <geoffk@cygnus.com>
 
+	* invoke.texi: Document the -mvxworks option for rs6000 ELF.
+
 	* config/rs6000/rs6000.h: Update various comments about XER_REGNO.
 	(REGNO_REG_CLASS): Use symbolic register
 	names.
Index: invoke.texi
===================================================================
RCS file: /cvs/gcc/egcs/gcc/invoke.texi,v
retrieving revision 1.213
diff -p -u -u -p -r1.213 invoke.texi
--- invoke.texi	2000/09/02 03:28:47	1.213
+++ invoke.texi	2000/09/04 01:43:56
@@ -340,7 +340,7 @@ in the following sections.
 -mtoc  -mno-toc -mlittle  -mlittle-endian  -mbig  -mbig-endian
 -mcall-aix  -mcall-sysv  -mprototype  -mno-prototype
 -msim  -mmvme  -mads  -myellowknife  -memb -msdata
--msdata=@var{opt}  -G @var{num}
+-msdata=@var{opt}  -mvxworks -G @var{num}
 
 @emph{RT Options}
 -mcall-lib-mul  -mfp-arg-in-fpregs  -mfp-arg-in-gregs
@@ -5564,6 +5564,10 @@ On embedded PowerPC systems, assume that
 On embedded PowerPC systems, assume that the startup module is called
 @file{crt0.o} and the standard C libraries are @file{libyk.a} and
 @file{libc.a}.
+
+@item -mvxworks
+On System V.4 and embedded PowerPC systems, specify that you are
+compiling for a VxWorks system.
 
 @item -memb
 On embedded PowerPC systems, set the @var{PPC_EMB} bit in the ELF flags
============================================================

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