\input texinfo @c -*-Texinfo-*-
-@c Copyright (C) 1991-2017 Free Software Foundation, Inc.
+@c Copyright (C) 1991-2018 Free Software Foundation, Inc.
@c UPDATE!! On future updates--
@c (1) check for new machine-dep cmdline options in
@c md_parse_option definitions in config/tc-*.c
@set COFF-ELF
@end ifset
@ifset AOUT
-@set aout-bout
+@set aout
@end ifset
@ifset ARM/Thumb
@set ARM
@ifset Blackfin
@set Blackfin
@end ifset
-@ifset BOUT
-@set aout-bout
-@end ifset
@ifset H8/300
@set H8
@end ifset
This file documents the GNU Assembler "@value{AS}".
@c man begin COPYRIGHT
-Copyright @copyright{} 1991-2017 Free Software Foundation, Inc.
+Copyright @copyright{} 1991-2018 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3
@end tex
@vskip 0pt plus 1filll
-Copyright @copyright{} 1991-2017 Free Software Foundation, Inc.
+Copyright @copyright{} 1991-2018 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3
[@b{--32}|@b{--x32}|@b{--64}] [@b{-n}]
[@b{-march}=@var{CPU}[+@var{EXTENSION}@dots{}]] [@b{-mtune}=@var{CPU}]
@end ifset
-@ifset I960
-
-@emph{Target i960 options:}
-@c see md_parse_option in tc-i960.c
- [@b{-ACA}|@b{-ACA_A}|@b{-ACB}|@b{-ACC}|@b{-AKA}|@b{-AKB}|
- @b{-AKC}|@b{-AMC}]
- [@b{-b}] [@b{-no-relax}]
-@end ifset
@ifset IA64
@emph{Target IA-64 options:}
@b{-m620}|@b{-me500}|@b{-e500x2}|@b{-me500mc}|@b{-me500mc64}|@b{-me5500}|@b{-me6500}|@b{-mppc64bridge}|
@b{-mbooke}|@b{-mpower4}|@b{-mpwr4}|@b{-mpower5}|@b{-mpwr5}|@b{-mpwr5x}|@b{-mpower6}|@b{-mpwr6}|
@b{-mpower7}|@b{-mpwr7}|@b{-mpower8}|@b{-mpwr8}|@b{-mpower9}|@b{-mpwr9}@b{-ma2}|
- @b{-mcell}|@b{-mspe}|@b{-mtitan}|@b{-me300}|@b{-mcom}]
+ @b{-mcell}|@b{-mspe}|@b{-mspe2}|@b{-mtitan}|@b{-me300}|@b{-mcom}]
[@b{-many}] [@b{-maltivec}|@b{-mvsx}|@b{-mhtm}|@b{-mvle}]
[@b{-mregnames}|@b{-mno-regnames}]
[@b{-mrelocatable}|@b{-mrelocatable-lib}|@b{-K PIC}] [@b{-memb}]
[@b{-mnolink-relax}]
[@b{-mno-warn-regname-label}]
@end ifset
+@ifset RISCV
+
+@emph{Target RISC-V options:}
+ [@b{-fpic}|@b{-fPIC}|@b{-fno-pic}]
+ [@b{-march}=@var{ISA}]
+ [@b{-mabi}=@var{ABI}]
+@end ifset
@ifset RL78
@emph{Target RL78 options:}
[@b{-mint-register=@var{number}}]
[@b{-mgcc-abi}|@b{-mrx-abi}]
@end ifset
-@ifset RISCV
-
-@emph{Target RISC-V options:}
- [@b{-march}=@var{ISA}]
- [@b{-mabi}=@var{ABI}]
-@end ifset
@ifset S390
@emph{Target s390 options:}
@end ifset
@c man begin OPTIONS
-@ifset I960
-The following options are available when @value{AS} is configured for the
-Intel 80960 processor.
-
-@table @gcctabopt
-@item -ACA | -ACA_A | -ACB | -ACC | -AKA | -AKB | -AKC | -AMC
-Specify which variant of the 960 architecture is the target.
-
-@item -b
-Add code to collect statistics about branches taken.
-
-@item -no-relax
-Do not alter compare-and-branch instructions for long displacements;
-error if necessary.
-
-@end table
-@end ifset
-
@ifset IP2K
The following options are available when @value{AS} is configured for the
Ubicom IP2K series.
@ifset RISCV
@ifclear man
-@xref{RISC-V-Opts}, for the options available when @value{AS} is configured
+@xref{RISC-V-Options}, for the options available when @value{AS} is configured
for a RISC-V processor.
@end ifclear
@ifset man
@c man begin OPTIONS
The following options are available when @value{AS} is configured for a
-RISC-V processor.
+RISC-V processor.
@c man end
@c man begin INCLUDE
@include c-riscv.texi
@value{OBJ-NAME} format object files.
@end ifclear
@c The following should exhaust all configs that set MULTI-OBJ, ideally
-@ifset I960
-On the @value{TARGET}, @command{@value{AS}} can be configured to produce either
-@code{b.out} or COFF format object files.
-@end ifset
@ifset HPPA
On the @value{TARGET}, @command{@value{AS}} can be configured to produce either
SOM or ELF format object files.
@kindex .o
Every time you run @command{@value{AS}} it produces an output file, which is
your assembly language program translated into numbers. This file
-is the object file. Its default name is
-@ifclear BOUT
-@code{a.out}.
-@end ifclear
-@ifset BOUT
-@ifset GENERIC
-@code{a.out}, or
-@end ifset
-@code{b.out} when @command{@value{AS}} is configured for the Intel 80960.
-@end ifset
+is the object file. Its default name is @code{a.out}.
You can give it another name by using the @option{-o} option. Conventionally,
object file names end with @file{.o}. The default name is used for historical
reasons: older assemblers were capable of assembling self-contained programs
@cindex MRI compatibility mode
The @option{-M} or @option{--mri} option selects MRI compatibility mode. This
changes the syntax and pseudo-op handling of @command{@value{AS}} to make it
-compatible with the @code{ASM68K} or the @code{ASM960} (depending upon the
-configured target) assembler from Microtec Research. The exact nature of the
+compatible with the @code{ASM68K} assembler from Microtec Research.
+The exact nature of the
MRI syntax will not be documented here; see the MRI manuals for more
information. Note in particular that the handling of macros and macro
arguments is somewhat different. The purpose of this option is to permit
The m68k @code{XREF} pseudo-op is ignored.
-@item @code{.debug} pseudo-op
-
-The i960 @code{.debug} pseudo-op is not supported.
-
-@item @code{.extended} pseudo-op
-
-The i960 @code{.extended} pseudo-op is not supported.
-
-@item @code{.list} pseudo-op.
-
-The various options of the i960 @code{.list} pseudo-op are not supported.
-
-@item @code{.optimize} pseudo-op
-
-The i960 @code{.optimize} pseudo-op is not supported.
-
-@item @code{.output} pseudo-op
-
-The i960 @code{.output} pseudo-op is not supported.
-
-@item @code{.setreal} pseudo-op
-
-The i960 @code{.setreal} pseudo-op is not supported.
-
@end itemize
@node MD
@cindex naming object file
@cindex object file name
There is always one object file output when you run @command{@value{AS}}. By
-default it has the name
-@ifset GENERIC
-@ifset I960
-@file{a.out} (or @file{b.out}, for Intel 960 targets only).
-@end ifset
-@ifclear I960
-@file{a.out}.
-@end ifclear
-@end ifset
-@ifclear GENERIC
-@ifset I960
-@file{b.out}.
-@end ifset
-@ifclear I960
-@file{a.out}.
-@end ifclear
-@end ifclear
+default it has the name @file{a.out}.
You use this option (which takes exactly one filename) to give the
object file a different name.
* Bignums:: Bignums
* Flonums:: Flonums
@ifclear GENERIC
-@ifset I960
-* Bit Fields:: Bit Fields
-@end ifset
@end ifclear
@end menu
4.2 assembler seems to allow any of @samp{defghDEFGH}.)
@end ignore
-On the H8/300, Renesas / SuperH SH,
-and AMD 29K architectures, the letter must be
+On the H8/300 and Renesas / SuperH SH architectures, the letter must be
one of the letters @samp{DFPRSX} (in upper or lower case).
On the ARC, the letter must be one of the letters @samp{DFRS}
(in upper or lower case).
-On the Intel 960 architecture, the letter must be
-one of the letters @samp{DFT} (in upper or lower case).
-
On the HPPA architecture, the letter must be @samp{E} (upper case only).
@end ifset
@ifclear GENERIC
@ifset HPPA
The letter @samp{E} (upper case only).
@end ifset
-@ifset I960
-One of the letters @samp{DFT} (in upper or lower case).
-@end ifset
@end ifclear
@item
independently of any floating point hardware in the computer running
@command{@value{AS}}.
-@ifclear GENERIC
-@ifset I960
-@c Bit fields are written as a general facility but are also controlled
-@c by a conditional-compilation flag---which is as of now (21mar91)
-@c turned on only by the i960 config of GAS.
-@node Bit Fields
-@subsubsection Bit Fields
-
-@cindex bit fields
-@cindex constants, bit field
-You can also define numeric constants as @dfn{bit fields}.
-Specify two numbers separated by a colon---
-@example
-@var{mask}:@var{value}
-@end example
-@noindent
-@command{@value{AS}} applies a bitwise @sc{and} between @var{mask} and
-@var{value}.
-
-The resulting number is then packed
-@ifset GENERIC
-@c this conditional paren in case bit fields turned on elsewhere than 960
-(in host-dependent byte order)
-@end ifset
-into a field whose width depends on which assembler directive has the
-bit-field as its argument. Overflow (a result from the bitwise and
-requiring more binary digits to represent) is not an error; instead,
-more constants are generated, of the specified width, beginning with the
-least significant digits.@refill
-
-The directives @code{.byte}, @code{.hword}, @code{.int}, @code{.long},
-@code{.short}, and @code{.word} accept bit-field arguments.
-@end ifset
-@end ifclear
-
@node Sections
@chapter Sections and Relocation
@cindex sections
@cindex sections, named
@item named sections
@end ifset
-@ifset aout-bout
+@ifset aout
@cindex text section
@cindex data section
@itemx text section
These sections hold your program. @command{@value{AS}} and @code{@value{LD}} treat them as
separate but equal sections. Anything you can say of one section is
true of another.
-@c @ifset aout-bout
+@c @ifset aout
When the program is running, however, it is
customary for the text section to be unalterable. The
text section is often shared among processes: it contains
@cindex numbered subsections
@cindex grouping data
-@ifset aout-bout
+@ifset aout
Assembled bytes
@ifset COFF-ELF
conventionally
data in named sections
@end ifset
@ifclear GENERIC
-@ifclear aout-bout
+@ifclear aout
data in named sections
@end ifclear
-@ifset aout-bout
+@ifset aout
text or data
@end ifset
@end ifclear
boundary (two bytes).
The same is true on the Renesas SH.
@end ifset
-@ifset I960
-@c FIXME section padding (alignment)?
-@c Rich Pixley says padding here depends on target obj code format; that
-@c doesn't seem particularly useful to say without further elaboration,
-@c so for now I say nothing about it. If this is a generic BFD issue,
-@c these paragraphs might need to vanish from this manual, and be
-@c discussed in BFD chapter of binutils (or some such).
-@end ifset
@end ifclear
Subsections appear in your object file in numeric order, lowest numbered
@menu
* Symbol Value:: Value
* Symbol Type:: Type
-@ifset aout-bout
-@ifset GENERIC
+@ifset aout
* a.out Symbols:: Symbol Attributes: @code{a.out}
@end ifset
-@ifclear GENERIC
-@ifclear BOUT
-* a.out Symbols:: Symbol Attributes: @code{a.out}
-@end ifclear
-@ifset BOUT
-* a.out Symbols:: Symbol Attributes: @code{a.out}, @code{b.out}
-@end ifset
-@end ifclear
-@end ifset
@ifset COFF
* COFF Symbols:: Symbol Attributes for COFF
@end ifset
(optionally), other information for linkers and debuggers. The exact
format depends on the object-code output format in use.
-@ifset aout-bout
-@ifclear GENERIC
-@ifset BOUT
-@c The following avoids a "widow" subsection title. @group would be
-@c better if it were available outside examples.
-@need 1000
-@node a.out Symbols
-@subsection Symbol Attributes: @code{a.out}, @code{b.out}
-
-@cindex @code{b.out} symbol attributes
-@cindex symbol attributes, @code{b.out}
-These symbol attributes appear only when @command{@value{AS}} is configured for
-one of the Berkeley-descended object output formats---@code{a.out} or
-@code{b.out}.
-
-@end ifset
-@ifclear BOUT
+@ifset aout
@node a.out Symbols
@subsection Symbol Attributes: @code{a.out}
@cindex @code{a.out} symbol attributes
@cindex symbol attributes, @code{a.out}
-@end ifclear
-@end ifclear
-@ifset GENERIC
-@node a.out Symbols
-@subsection Symbol Attributes: @code{a.out}
-
-@cindex @code{a.out} symbol attributes
-@cindex symbol attributes, @code{a.out}
-
-@end ifset
@menu
* Symbol Desc:: Descriptor
* Symbol Other:: Other
* CFI directives:: @code{.cfi_startproc [simple]}, @code{.cfi_endproc}, etc.
* Comm:: @code{.comm @var{symbol} , @var{length} }
* Data:: @code{.data @var{subsection}}
+* Dc:: @code{.dc[@var{size}] @var{expressions}}
+* Dcb:: @code{.dcb[@var{size}] @var{number} [,@var{fill}]}
+* Ds:: @code{.ds[@var{size}] @var{number} [,@var{fill}]}
@ifset COFF
* Def:: @code{.def @var{name}}
@end ifset
-@ifset aout-bout
+@ifset aout
* Desc:: @code{.desc @var{symbol}, @var{abs-expression}}
@end ifset
@ifset COFF
* MRI:: @code{.mri @var{val}}
* Noaltmacro:: @code{.noaltmacro}
* Nolist:: @code{.nolist}
+* Nops:: @code{.nops @var{size}[, @var{control}]}
* Octa:: @code{.octa @var{bignums}}
* Offset:: @code{.offset @var{loc}}
* Org:: @code{.org @var{new-lc}, @var{fill}}
* Size:: @code{.size [@var{name} , @var{expression}]}
@end ifset
@ifclear no-space-dir
-* Skip:: @code{.skip @var{size} , @var{fill}}
+* Skip:: @code{.skip @var{size} [,@var{fill}]}
@end ifclear
* Sleb128:: @code{.sleb128 @var{expressions}}
@ifclear no-space-dir
-* Space:: @code{.space @var{size} , @var{fill}}
+* Space:: @code{.space @var{size} [,@var{fill}]}
@end ifclear
@ifset have-stabs
* Stab:: @code{.stabd, .stabn, .stabs}
When producing COFF output, @command{@value{AS}} accepts this directive as a
synonym for @samp{.abort}.
-@ifset BOUT
-When producing @code{b.out} output, @command{@value{AS}} accepts this directive,
-but ignores it.
-@end ifset
@end ifset
@node Align
The second expression (also absolute) gives the fill value to be stored in the
padding bytes. It (and the comma) may be omitted. If it is omitted, the
-padding bytes are normally zero. However, on some systems, if the section is
+padding bytes are normally zero. However, on most systems, if the section is
marked as containing code and the fill value is omitted, the space is filled
with no-op instructions.
with no-op instructions when appropriate.
The way the required alignment is specified varies from system to system.
-For the arc, hppa, i386 using ELF, i860, iq2000, m68k, or1k,
+For the arc, hppa, i386 using ELF, iq2000, m68k, or1k,
s390, sparc, tic4x, tic80 and xtensa, the first expression is the
alignment request in bytes. For example @samp{.align 8} advances
the location counter until it is a multiple of 8. If the location counter
The second expression (also absolute) gives the fill value to be stored in the
padding bytes. It (and the comma) may be omitted. If it is omitted, the
-padding bytes are normally zero. However, on some systems, if the section is
+padding bytes are normally zero. However, on most systems, if the section is
marked as containing code and the fill value is omitted, the space is filled
with no-op instructions.
@node Data
@section @code{.data @var{subsection}}
-
@cindex @code{data} directive
+
@code{.data} tells @command{@value{AS}} to assemble the following statements onto the
end of the data subsection numbered @var{subsection} (which is an
absolute expression). If @var{subsection} is omitted, it defaults
to zero.
+@node Dc
+@section @code{.dc[@var{size}] @var{expressions}}
+@cindex @code{dc} directive
+
+The @code{.dc} directive expects zero or more @var{expressions} separated by
+commas. These expressions are evaluated and their values inserted into the
+current section. The size of the emitted value depends upon the suffix to the
+@code{.dc} directive:
+
+@table @code
+@item @samp{.a}
+Emits N-bit values, where N is the size of an address on the target system.
+@item @samp{.b}
+Emits 8-bit values.
+@item @samp{.d}
+Emits double precision floating-point values.
+@item @samp{.l}
+Emits 32-bit values.
+@item @samp{.s}
+Emits single precision floating-point values.
+@item @samp{.w}
+Emits 16-bit values.
+Note - this is true even on targets where the @code{.word} directive would emit
+32-bit values.
+@item @samp{.x}
+Emits long double precision floating-point values.
+@end table
+
+If no suffix is used then @samp{.w} is assumed.
+
+The byte ordering is target dependent, as is the size and format of floating
+point values.
+
+@node Dcb
+@section @code{.dcb[@var{size}] @var{number} [,@var{fill}]}
+@cindex @code{dcb} directive
+This directive emits @var{number} copies of @var{fill}, each of @var{size}
+bytes. Both @var{number} and @var{fill} are absolute expressions. If the
+comma and @var{fill} are omitted, @var{fill} is assumed to be zero. The
+@var{size} suffix, if present, must be one of:
+
+@table @code
+@item @samp{.b}
+Emits single byte values.
+@item @samp{.d}
+Emits double-precision floating point values.
+@item @samp{.l}
+Emits 4-byte values.
+@item @samp{.s}
+Emits single-precision floating point values.
+@item @samp{.w}
+Emits 2-byte values.
+@item @samp{.x}
+Emits long double-precision floating point values.
+@end table
+
+If the @var{size} suffix is omitted then @samp{.w} is assumed.
+
+The byte ordering is target dependent, as is the size and format of floating
+point values.
+
+@node Ds
+@section @code{.ds[@var{size}] @var{number} [,@var{fill}]}
+@cindex @code{ds} directive
+This directive emits @var{number} copies of @var{fill}, each of @var{size}
+bytes. Both @var{number} and @var{fill} are absolute expressions. If the
+comma and @var{fill} are omitted, @var{fill} is assumed to be zero. The
+@var{size} suffix, if present, must be one of:
+
+@table @code
+@item @samp{.b}
+Emits single byte values.
+@item @samp{.d}
+Emits 8-byte values.
+@item @samp{.l}
+Emits 4-byte values.
+@item @samp{.p}
+Emits 12-byte values.
+@item @samp{.s}
+Emits 4-byte values.
+@item @samp{.w}
+Emits 2-byte values.
+@item @samp{.x}
+Emits 12-byte values.
+@end table
+
+Note - unlike the @code{.dcb} directive the @samp{.d}, @samp{.s} and @samp{.x}
+suffixes do not indicate that floating-point values are to be inserted.
+
+If the @var{size} suffix is omitted then @samp{.w} is assumed.
+
+The byte ordering is target dependent.
+
+
@ifset COFF
@node Def
@section @code{.def @var{name}}
@cindex debugging COFF symbols
Begin defining debugging information for a symbol @var{name}; the
definition extends until the @code{.endef} directive is encountered.
-@ifset BOUT
-
-This directive is only observed when @command{@value{AS}} is configured for COFF
-format output; when producing @code{b.out}, @samp{.def} is recognized,
-but ignored.
-@end ifset
@end ifset
-@ifset aout-bout
+@ifset aout
@node Desc
@section @code{.desc @var{symbol}, @var{abs-expression}}
This directive is generated by compilers to include auxiliary debugging
information in the symbol table. It is only permitted inside
@code{.def}/@code{.endef} pairs.
-@ifset BOUT
-
-@samp{.dim} is only meaningful when generating COFF format output; when
-@command{@value{AS}} is generating @code{b.out}, it accepts this directive but
-ignores it.
-@end ifset
@end ifset
@node Double
@cindex @code{endef} directive
This directive flags the end of a symbol definition begun with
@code{.def}.
-@ifset BOUT
-
-@samp{.endef} is only meaningful when generating COFF format output; if
-@command{@value{AS}} is configured to generate @code{b.out}, it accepts this
-directive but ignores it.
-@end ifset
@end ifset
@node Endfunc
@cindex @code{line} directive
@cindex logical line number
-@ifset aout-bout
+@ifset aout
Change the logical line number. @var{line-number} must be an absolute
expression. The next line has that logical line number. Therefore any other
statements on the current line (after a statement separator character) are
line number, so any other statements on the current line (after a
statement separator character @code{;}) are reported as on logical
line number @var{line-number} @minus{} 1.
-@ifset BOUT
-
-This directive is accepted, but ignored, when @command{@value{AS}} is
-configured for @code{b.out}; its effect is only associated with COFF
-output format.
-@end ifset
@end ifset
@node Loc
This directive will set the @code{discriminator} register in the @code{.debug_line}
state machine to @var{value}, which must be an unsigned integer.
+@item view @var{value}
+This option causes a row to be added to @code{.debug_line} in reference to the
+current address (which might not be the same as that of the following assembly
+instruction), and to associate @var{value} with the @code{view} register in the
+@code{.debug_line} state machine. If @var{value} is a label, both the
+@code{view} register and the label are set to the number of prior @code{.loc}
+directives at the same program location. If @var{value} is the literal
+@code{0}, the @code{view} register is set to zero, and the assembler asserts
+that there aren't any prior @code{.loc} directives at the same program
+location. If @var{value} is the literal @code{-0}, the assembler arrange for
+the @code{view} register to be reset in this row, even if there are prior
+@code{.loc} directives at the same program location.
+
@end table
@node Loc_mark_labels
counter, and @code{.nolist} decrements it. Assembly listings are
generated whenever the counter is greater than zero.
+@node Nops
+@section @code{.nops @var{size}[, @var{control}]}
+
+@cindex @code{nops} directive
+@cindex filling memory with no-op instructions
+This directive emits @var{size} bytes filled with no-op instructions.
+@var{size} is absolute expression, which must be a positve value.
+@var{control} controls how no-op instructions should be generated. If
+the comma and @var{control} are omitted, @var{control} is assumed to be
+zero.
+
+Note: For Intel 80386 and AMD x86-64 targets, @var{control} specifies
+the size limit of a no-op instruction. The valid values of @var{control}
+are between 0 and 4 in 16-bit mode, between 0 and 7 when tuning for
+older processors in 32-bit mode, between 0 and 11 in 64-bit mode or when
+tuning for newer processors in 32-bit mode. When 0 is used, the no-op
+instruction size limit is set to the maximum supported size.
+
@node Octa
@section @code{.octa @var{bignums}}
-@c FIXME: double size emitted for "octa" on i960, others? Or warn?
+@c FIXME: double size emitted for "octa" on some? Or warn?
@cindex @code{octa} directive
@cindex integer, 16-byte
@cindex sixteen byte integer
The second expression (also absolute) gives the fill value to be stored in the
padding bytes. It (and the comma) may be omitted. If it is omitted, the
-padding bytes are normally zero. However, on some systems, if the section is
+padding bytes are normally zero. However, on most systems, if the section is
marked as containing code and the fill value is omitted, the space is filled
with no-op instructions.
.long 0
@end example
+A count of zero is allowed, but nothing is generated. Negative counts are not
+allowed and if encountered will be treated as if they were zero.
+
@node Sbttl
@section @code{.sbttl "@var{subheading}"}
used inside a @code{.def}/@code{.endef} pair. Storage class may flag
whether a symbol is static or external, or it may record further
symbolic debugging information.
-@ifset BOUT
-
-The @samp{.scl} directive is primarily associated with COFF output; when
-configured to generate @code{b.out} output format, @command{@value{AS}}
-accepts this directive but ignores it.
-@end ifset
@end ifset
@ifset COFF-ELF
.size @var{expression}
@end smallexample
-@ifset BOUT
-@samp{.size} is only meaningful when generating COFF format output; when
-@command{@value{AS}} is generating @code{b.out}, it accepts this directive but
-ignores it.
-@end ifset
@end ifset
@ifset ELF
@ifclear no-space-dir
@node Skip
-@section @code{.skip @var{size} , @var{fill}}
+@section @code{.skip @var{size} [,@var{fill}]}
@cindex @code{skip} directive
@cindex filling memory
@ifclear no-space-dir
@node Space
-@section @code{.space @var{size} , @var{fill}}
+@section @code{.space @var{size} [,@var{fill}]}
@cindex @code{space} directive
@cindex filling memory
information in the symbol table. It is only permitted inside
@code{.def}/@code{.endef} pairs. Tags are used to link structure
definitions in the symbol table with instances of those structures.
-@ifset BOUT
-
-@samp{.tag} is only used when generating COFF format output; when
-@command{@value{AS}} is generating @code{b.out}, it accepts this directive but
-ignores it.
-@end ifset
@end ifset
@node Text
This records the integer @var{int} as the type attribute of a symbol table
entry.
-@ifset BOUT
-@samp{.type} is associated only with COFF format output; when
-@command{@value{AS}} is configured for @code{b.out} output, it accepts this
-directive but ignores it.
-@end ifset
@end ifset
@ifset ELF
This directive, permitted only within @code{.def}/@code{.endef} pairs,
records the address @var{addr} as the value attribute of a symbol table
entry.
-@ifset BOUT
-
-@samp{.val} is used only for COFF output; when @command{@value{AS}} is
-configured for @code{b.out}, it accepts this directive but ignores it.
-@end ifset
@end ifset
@ifset ELF
depend on what target computer the assembly is for.
@end ifset
-@c on amd29k, i960, sparc the "special treatment to support compilers" doesn't
+@c on sparc the "special treatment to support compilers" doesn't
@c happen---32-bit addressability, period; no long/short jumps.
@ifset DIFF-TBL-KLUGE
@cindex difference tables altered
@cindex eight-byte integer
@cindex integer, 8-byte
-Like the @option{.8byte} directive, except that it inserts unaligned, eight
+Like the @option{.2byte} directive, except that it inserts unaligned, eight
byte long bignum values into the output.
@end ifset
@ifset HPPA
* HPPA-Dependent:: HPPA Dependent Features
@end ifset
-@ifset I370
-* ESA/390-Dependent:: IBM ESA/390 Dependent Features
-@end ifset
@ifset I80386
* i386-Dependent:: Intel 80386 and AMD x86-64 Dependent Features
@end ifset
-@ifset I860
-* i860-Dependent:: Intel 80860 Dependent Features
-@end ifset
-@ifset I960
-* i960-Dependent:: Intel 80960 Dependent Features
-@end ifset
@ifset IA64
* IA-64-Dependent:: Intel IA-64 Dependent Features
@end ifset
@ifset PRU
* PRU-Dependent:: PRU Dependent Features
@end ifset
-@ifset RL78
-* RL78-Dependent:: RL78 Dependent Features
-@end ifset
@ifset RISCV
* RISC-V-Dependent:: RISC-V Dependent Features
@end ifset
+@ifset RL78
+* RL78-Dependent:: RL78 Dependent Features
+@end ifset
@ifset RX
* RX-Dependent:: RX Dependent Features
@end ifset
@end ifset
@ifset SH
* SH-Dependent:: Renesas / SuperH SH Dependent Features
-* SH64-Dependent:: SuperH SH64 Dependent Features
@end ifset
@ifset SPARC
* Sparc-Dependent:: SPARC Dependent Features
@include c-hppa.texi
@end ifset
-@ifset I370
-@include c-i370.texi
-@end ifset
-
@ifset I80386
@include c-i386.texi
@end ifset
-@ifset I860
-@include c-i860.texi
-@end ifset
-
-@ifset I960
-@include c-i960.texi
-@end ifset
-
@ifset IA64
@include c-ia64.texi
@end ifset
@include c-pru.texi
@end ifset
-@ifset RL78
-@include c-rl78.texi
-@end ifset
-
@ifset RISCV
@include c-riscv.texi
@end ifset
+@ifset RL78
+@include c-rl78.texi
+@end ifset
+
@ifset RX
@include c-rx.texi
@end ifset
@ifset SH
@include c-sh.texi
-@include c-sh64.texi
@end ifset
@ifset SPARC
projects / deliverable / binutils-gdb.git / blobdiff