diff options
Diffstat (limited to 'gas/doc/as.texinfo')
| -rw-r--r-- | gas/doc/as.texinfo | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo index 9b1b9dd..83e35d1 100644 --- a/gas/doc/as.texinfo +++ b/gas/doc/as.texinfo @@ -1357,28 +1357,16 @@ out-of-range branches to produce an error. @cindex emulation @item --emulation=@var{name} -This option causes @command{@value{AS}} to emulate @command{@value{AS}} configured -for some other target, in all respects, including output format (choosing -between ELF and ECOFF only), handling of pseudo-opcodes which may generate -debugging information or store symbol table information, and default -endianness. The available configuration names are: @samp{mipsecoff}, -@samp{mipself}, @samp{mipslecoff}, @samp{mipsbecoff}, @samp{mipslelf}, -@samp{mipsbelf}. The first two do not alter the default endianness from that -of the primary target for which the assembler was configured; the others change -the default to little- or big-endian as indicated by the @samp{b} or @samp{l} -in the name. Using @samp{-EB} or @samp{-EL} will override the endianness -selection in any case. - -This option is currently supported only when the primary target -@command{@value{AS}} is configured for is a MIPS ELF or ECOFF target. -Furthermore, the primary target or others specified with -@samp{--enable-targets=@dots{}} at configuration time must include support for -the other format, if both are to be available. For example, the Irix 5 -configuration includes support for both. - -Eventually, this option will support more configurations, with more -fine-grained control over the assembler's behavior, and will be supported for -more processors. +This option was formerly used to switch between ELF and ECOFF output +on targets like IRIX 5 that supported both. MIPS ECOFF support was +removed in GAS 2.24, so the option now serves little purpose. +It is retained for backwards compatibility. + +The available configuration names are: @samp{mipself}, @samp{mipslelf} and +@samp{mipsbelf}. Choosing @samp{mipself} now has no effect, since the output +is always ELF. @samp{mipslelf} and @samp{mipsbelf} select little- and +big-endian output respectively, but @samp{-EL} and @samp{-EB} are now the +preferred options instead. @item -nocpp @command{@value{AS}} ignores this option. It is accepted for compatibility with |