diff options
| -rw-r--r-- | gas/doc/ChangeLog | 6 | ||||
| -rw-r--r-- | gas/doc/as.texinfo | 113 |
2 files changed, 86 insertions, 33 deletions
diff --git a/gas/doc/ChangeLog b/gas/doc/ChangeLog index a277cea..fcb118f 100644 --- a/gas/doc/ChangeLog +++ b/gas/doc/ChangeLog @@ -1,3 +1,9 @@ +Thu Dec 3 18:32:06 1992 Ken Raeburn (raeburn@cambridge.cygnus.com) + + * as.texinfo: Regrouped documentation of some command-line + options. Updated options documentation for m68k. Some minor + wording/punctuation changes. + Thu Nov 19 11:47:19 1992 Steve Chamberlain (sac@thepub.cygnus.com) z8000 documentation diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo index e95f934..1d0d58d 100644 --- a/gas/doc/as.texinfo +++ b/gas/doc/as.texinfo @@ -184,7 +184,7 @@ _if__(_Z8000__) @c Z8000 has no machine-dependent assembler options _fi__(_Z8000__) _if__(_I960__) -@c see md_parse_option in i960.c +@c see md_parse_option in tc-i960.c [ -ACA | -ACA_A | -ACB | -ACC | -AKA | -AKB | -AKC | -AMC ] [ -b ] [ -norelax ] _fi__(_I960__) @@ -232,44 +232,56 @@ Announce @code{as} version @item -W Suppress warning messages +@item -- | @var{files} @dots{} +Standard input, or source files to assemble. +@end table + +@end table + _if__(_I960__) +The following options are available when _AS__ is configured for the +Intel 80960 processor. + +@table @code @item -ACA | -ACA_A | -ACB | -ACC | -AKA | -AKB | -AKC | -AMC -_if__(_GENERIC__) -(When configured for Intel 960). -_fi__(_GENERIC__) Specify which variant of the 960 architecture is the target. @item -b -_if__(_GENERIC__) -(When configured for Intel 960). -_fi__(_GENERIC__) Add code to collect statistics about branches taken. @item -norelax -_if__(_GENERIC__) -(When configured for Intel 960). -_fi__(_GENERIC__) Do not alter compare-and-branch instructions for long displacements; error if necessary. + +@end table _fi__(_I960__) _if__(_M680X0__) +The following options are available when _AS__ is configured for the +Motorola 68000 series. + +@table @code + @item -l -_if__(_GENERIC__) -(When configured for Motorola 68000). -_fi__(_GENERIC__) -Shorten references to undefined symbols, to one word instead of two +Shorten references to undefined symbols, to one word instead of two. -@item -mc68000 | -mc68010 | -mc68020 -_if__(_GENERIC__) -(When configured for Motorola 68000). -_fi__(_GENERIC__) -Specify what processor in the 68000 family is the target (default 68020) -_fi__(_M680X0__) +@item -m68000 | -m68008 | -m68010 | -m68020 | -m68030 | -m68040 | -mcpu32 +Specify what processor in the 68000 family is the target. The default +is normally the 68020, but this can be changed at configuration time. + +@item -m68881 | -m68882 | -mno-68881 | -mno-68882 +The target machine does (or does not) have a floating-point coprocessor. +The default is to assume a coprocessor for 68020, 68030, and cpu32. Although +the basic 68000 is not compatible with the 68881, a combination of the +two can be specified, since it's possible to do emulation of the +coprocessor instructions with the main processor. + +@item -m68851 | -mno-68851 +The target machine does (or does not) have a memory-management +unit coprocessor. The default is to assume an MMU for 68020 and up. -@item -- | @var{files} @dots{} -Standard input, or source files to assemble @end table +_fi__(_M680X0__) @menu * Manual:: Structure of this Manual @@ -361,7 +373,7 @@ If you use (or have used) the GNU assembler on one architecture, you should find a fairly similar environment when you use it on another architecture. Each version has much in common with the others, including object file formats, most assembler directives (often called -@dfn{pseudo-ops)} and assembler syntax.@refill +@dfn{pseudo-ops}) and assembler syntax.@refill _if__(_GENERIC__||!_H8__) @cindex purpose of @sc{gnu} @code{_AS__} @@ -395,7 +407,8 @@ Attributes,,Symbol Attributes}. _if__(!_GENERIC__) _if__(!(_I960__||_A29K__)) _if__(_AOUT__ && (!_COFF__) && (!_ELF__)) -On the _HOST__, @code{_AS__} is configured to produce @code{a.out} format object +On the _HOST__, @code{_AS__} is configured to produce @code{a.out} +format object files.@refill _fi__(_AOUT__ && (!_COFF__) && (!_ELF__)) _if__((!_AOUT__) && _COFF__ && (!_ELF__)) @@ -408,7 +421,8 @@ On the _HOST__, @code{_AS__} can be configured to produce either @code{a.out} or COFF format object files. _fi__(_A29K__) _if__(_I960__) -On the _HOST__, @code{_AS__} can be configured to produce either @code{b.out} or COFF +On the _HOST__, @code{_AS__} can be configured to produce either +@code{b.out} or COFF format object files. _fi__(_I960__) _fi__(!_GENERIC__) @@ -507,13 +521,24 @@ source is itself synthesized from other files. @kindex .o Every time you run @code{_AS__} it produces an output file, which is your assembly language program translated into numbers. This file -is the object file, named @code{a.out} unless you tell @code{_AS__} to +is the object file, named +_if__(_BOUT__) +@code{b.out}, +_if__(_GENERIC__) +if @code{_AS__} is configured for the Intel 80960, or +_fi__(_GENERIC__) +_fi__(_BOUT__) +_if__(!_BOUT__) +@code{a.out}, +_fi__(!_BOUT__) +unless you tell @code{_AS__} to give it another name by using the @code{-o} option. Conventionally, object file names end with @file{.o}. The default name of @file{a.out} is used for historical reasons: older assemblers were capable of assembling self-contained programs directly into a runnable program. -@c This may still work, but hasn't been tested. +(For some formats, this isn't currently possible, but it can be done for +@code{a.out} format.) @cindex linker @kindex ld @@ -547,7 +572,8 @@ file_name:@b{NNN}:Warning Message Text @noindent @cindex line numbers, in warnings/errors (where @b{NNN} is a line number). If a logical file name has -been given (@pxref{App-File,,@code{.app-file}}) it is used for the filename, otherwise the +been given (@pxref{App-File,,@code{.app-file}}) it is used for the +filename, otherwise the name of the current input file is used. If a logical line number was given _if__(!_A29K__) @@ -682,7 +708,25 @@ in the object file. Usually if you do this you also tell the linker @cindex naming object file @cindex object file name There is always one object file output when you run @code{_AS__}. By -default it has the name @file{a.out}. You use this option (which +default it has the name +_if__(_GENERIC__) +_if__(_I960__) +@file{a.out} or @file{b.out}, depending on the target for which +@code{_AS__} is configured. +_fi__(_I960__) +_if__(!_I960__) +@file{a.out}. +_fi__(!_I960__) +_fi__(_GENERIC__) +_if__(!_GENERIC__) +_if__(_I960__) +@file{b.out}. +_fi__(_I960__) +_if__(!_I960__) +@file{a.out}. +_fi__(!_I960__) +_fi__(!_GENERIC__) +You use this option (which takes exactly one filename) to give the object file a different name. Whatever the object file is called, @code{_AS__} will overwrite any @@ -699,7 +743,7 @@ existing file of the same name. data-section data lives in the text section. This is only done at the very last moment: your binary data are the same, but data section parts are relocated differently. The data section part of -your object file is zero bytes long because all it bytes are +your object file is zero bytes long because all its bytes are appended to the text section. (@xref{Sections,,Sections and Relocation}.) When you specify @code{-R} it would be possible to generate shorter @@ -744,7 +788,7 @@ still reported. @cindex syntax, machine-independent This chapter describes the machine-independent syntax allowed in a source file. @code{_AS__} syntax is similar to what many other assemblers -use; it is inspired in BSD 4.2 +use; it is inspired by the BSD 4.2 _if__(!_VAX__) assembler. @refill _fi__(!_VAX__) @@ -837,6 +881,9 @@ _fi__(_VAX__) _if__(_I960__) @samp{#} on the i960; _fi__(_I960__) +_if__(_SPARC__) +@samp{!} on the SPARC; +_fi__(_SPARC__) _if__(_M680X0__) @samp{|} on the 680x0; _fi__(_M680X0__) @@ -844,13 +891,13 @@ _if__(_A29K__) @samp{;} for the AMD 29K family; _fi__(_A29K__) _if__(_H8__) -@samp{;} for the _HOST__ family; +@samp{;} for the H8/300 family; _fi__(_H8__) _if__(_Z8000__) @samp{!} for the Z8000; _fi__(_Z8000__) see @ref{_MACH_DEP__}. @refill -@c FIXME: fill in SPARC line comment char +@c FIXME What about i386, m88k, i860? _if__(_GENERIC__) On some machines there are two different line comment characters. One |