Joseph Myers wrote:
> On Tue, 12 Nov 2013, Ulrich Weigand wrote:
> > > > Therefore, it is introduces via a new pair of options
> > > > -mabi=elfv1 / -mabi=elfv2
> > > > where -mabi=elfv1 select the current Linux ABI, and -mabi=elfv2
> > > > selects the new one.
> > >
> > > New command-line options need invoke.texi documentation.
> >
> > As mentioned above, it's probably best to mark it undocumented.
>
> No, even always-warning options like -mabi=ibmlongdouble are documented.
Ah, indeed; thanks for pointing that out. Well, that's certainly
fine with me too.
Here's a patch to add documentation along the lines of what we have
for the longdouble switches.
Doc build tested on powerpc64-linux.
David, would that be OK for mainline, or do have other suggestions?
Bye,
Ulrich
ChangeLog:
* doc/invoke.texi (-mabi=elfv1, -mabi=elfv2): Document.
Index: gcc/gcc/doc/invoke.texi
===================================================================
--- gcc.orig/gcc/doc/invoke.texi
+++ gcc/gcc/doc/invoke.texi
@@ -18846,7 +18846,8 @@ SVR4 ABI)@.
@opindex mabi
Extend the current ABI with a particular extension, or remove such extension.
Valid values are @var{altivec}, @var{no-altivec}, @var{spe},
-@var{no-spe}, @var{ibmlongdouble}, @var{ieeelongdouble}@.
+@var{no-spe}, @var{ibmlongdouble}, @var{ieeelongdouble},
+@var{elfv1}, @var{elfv2}@.
@item -mabi=spe
@opindex mabi=spe
@@ -18868,6 +18869,16 @@ This is a PowerPC 32-bit SYSV ABI option
Change the current ABI to use IEEE extended-precision long double.
This is a PowerPC 32-bit Linux ABI option.
+@item -mabi=elfv1
+@opindex mabi=elfv1
+Change the current ABI to use the ELFv1 ABI.
+This is a little-endian PowerPC 64-bit Linux ABI option.
+
+@item -mabi=elfv2
+@opindex mabi=elfv2
+Change the current ABI to use the ELFv2 ABI.
+This is a big-endian PowerPC 64-bit Linux ABI option.
+
@item -mprototype
@itemx -mno-prototype
@opindex mprototype
--
Dr. Ulrich Weigand
GNU/Linux compilers and toolchain
ulrich.weig...@de.ibm.com
