aboutsummaryrefslogtreecommitdiff
path: root/gas
diff options
context:
space:
mode:
Diffstat (limited to 'gas')
-rw-r--r--gas/doc/ChangeLog6
-rw-r--r--gas/doc/as.texinfo113
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
generated by cgit v1.1 at 2024-12-02 20:41:16 +0000