-@c Copyright 1999, 2000 Free Software Foundation, Inc.
+@c Copyright (C) 2000-2019 Free Software Foundation, Inc.
@c This is part of the GAS manual.
@c For copying conditions, see the file as.texinfo.
@c TI TMS320C54X description by Timothy Wall, twall@cygnus.com
@ifset GENERIC
@page
-@node C54X-Dependent
-@chapter C54X Dependent Features
+@node TIC54X-Dependent
+@chapter TIC54X Dependent Features
@end ifset
@ifclear GENERIC
@node Machine Dependencies
-@chapter C54X Dependent Features
+@chapter TIC54X Dependent Features
@end ifclear
-@cindex C54X support
+@cindex TIC54X support
@menu
-* C54X-Opts:: Command-line Options
-* C54X-Block:: Blocking
-* C54X-Env:: Environment Settings
-* C54X-Constants:: Constants Syntax
-* C54X-Subsyms:: String Substitution
-* C54X-Locals:: Local Label Syntax
-* C54X-Builtins:: Builtin Assembler Math Functions
-* C54X-Ext:: Extended Addressing Support
-* C54X-Directives:: Directives
-* C54X-Macros:: Macro Features
-* C54X-MMRegs:: Memory-mapped Registers
+* TIC54X-Opts:: Command-line Options
+* TIC54X-Block:: Blocking
+* TIC54X-Env:: Environment Settings
+* TIC54X-Constants:: Constants Syntax
+* TIC54X-Subsyms:: String Substitution
+* TIC54X-Locals:: Local Label Syntax
+* TIC54X-Builtins:: Builtin Assembler Math Functions
+* TIC54X-Ext:: Extended Addressing Support
+* TIC54X-Directives:: Directives
+* TIC54X-Macros:: Macro Features
+* TIC54X-MMRegs:: Memory-mapped Registers
+* TIC54X-Syntax:: Syntax
@end menu
-@node C54X-Opts
+@node TIC54X-Opts
@section Options
-@cindex options, C54X
-@cindex C54X options
-The 'c54x version of @code{@value{AS}} has a few machine-dependent options.
+@cindex options, TIC54X
+@cindex TIC54X options
+The TMS320C54X version of @code{@value{AS}} has a few machine-dependent options.
@cindex @samp{-mfar-mode} option, far-mode
@cindex @samp{-mf} option, far-mode
All addresses will be assumed to be > 16 bits, and the appropriate
relocation types will be used. This option is equivalent to using the
@samp{.far_mode} directive in the assembly code. If you do not use the
-@samp{-mfar-mode} option, all references will be assumed to be 16 bits.
+@samp{-mfar-mode} option, all references will be assumed to be 16 bits.
This option may be abbreviated to @samp{-mf}.
@cindex @samp{-mcpu} option, cpu
You can use the @samp{-mcpu} option to specify a particular CPU.
This option is equivalent to using the @samp{.version} directive in the
assembly code. For recognized CPU codes, see
-@xref{C54X-Directives,,@code{.version}}. The default CPU version is
-@samp{542}.
+@xref{TIC54X-Directives,,@code{.version}}. The default CPU version is
+@samp{542}.
@cindex @samp{-merrors-to-file} option, stderr redirect
@cindex @samp{-me} option, stderr redirect
You can use the @samp{-merrors-to-file} option to redirect error output
to a file (this provided for those deficient environments which don't
provide adequate output redirection). This option may be abbreviated to
-@samp{-me}.
+@samp{-me}.
-@node C54X-Block
+@node TIC54X-Block
@section Blocking
A blocked section or memory block is guaranteed not to cross the blocking
boundary (usually a page, or 128 words) if it is smaller than the
blocking size, or to start on a page boundary if it is larger than the
blocking size.
-@node C54X-Env
+@node TIC54X-Env
@section Environment Settings
-@cindex environment settings, C54X
-@cindex @samp{A_DIR} environment variable, C54X
-@cindex @samp{C54XDSP_DIR} environment variable, C54X
+@cindex environment settings, TIC54X
+@cindex @samp{A_DIR} environment variable, TIC54X
+@cindex @samp{C54XDSP_DIR} environment variable, TIC54X
@samp{C54XDSP_DIR} and @samp{A_DIR} are semicolon-separated
paths which are added to the list of directories normally searched for
source and include files. @samp{C54XDSP_DIR} will override @samp{A_DIR}.
-@node C54X-Constants
+@node TIC54X-Constants
@section Constants Syntax
-@cindex constants, C54X
-The C54X version of @code{@value{AS}} allows the following additional
+@cindex constants, TIC54X
+The TIC54X version of @code{@value{AS}} allows the following additional
constant formats, using a suffix to indicate the radix:
@smallexample
-@cindex binary constants, C54X
+@cindex binary constants, TIC54X
Binary @code{000000B, 011000b}
Octal @code{10Q, 224q}
@end smallexample
-@node C54X-Subsyms
+@node TIC54X-Subsyms
@section String Substitution
A subset of allowable symbols (which we'll call subsyms) may be assigned
arbitrary string values. This is roughly equivalent to C preprocessor
#define macros. When @code{@value{AS}} encounters one of these
symbols, the symbol is replaced in the input stream by its string value.
-Subsym names @strong{must} begin with a letter.
+Subsym names @strong{must} begin with a letter.
Subsyms may be defined using the @code{.asg} and @code{.eval} directives
-(@xref{C54X-Directives,,@code{.asg}},
-@xref{C54X-Directives,,@code{.eval}}.
+(@xref{TIC54X-Directives,,@code{.asg}},
+@xref{TIC54X-Directives,,@code{.eval}}.
Expansion is recursive until a previously encountered symbol is seen, at
-which point substitution stops.
+which point substitution stops.
In this example, x is replaced with SYM2; SYM2 is replaced with SYM1, and SYM1
is replaced with x. At this point, x has already been encountered
and the substitution stops.
-@smallexample @code
- .asg "x",SYM1
+@smallexample
+ .asg "x",SYM1
.asg "SYM1",SYM2
.asg "SYM2",x
add x,a ; final code assembled is "add x, a"
@code{@value{AS}} '\ARG' dereferencing syntax is unnecessary. Subsyms
defined within a macro will have global scope, unless the @code{.var}
directive is used to identify the subsym as a local macro variable
-@pxref{C54X-Directives,,@code{.var}}.
+@pxref{TIC54X-Directives,,@code{.var}}.
Substitution may be forced in situations where replacement might be
ambiguous by placing colons on either side of the subsym. The following
-code:
+code:
-@smallexample @code
+@smallexample
.eval "10",x
LAB:X: add #x, a
@end smallexample
When assembled becomes:
-@smallexample @code
+@smallexample
LAB10 add #10, a
@end smallexample
length @var{length}.
@end table
-@node C54X-Locals
+@node TIC54X-Locals
@section Local Labels
Local labels may be defined in two ways:
@item
$N, where N is a decimal number between 0 and 9
@item
-LABEL?, where LABEL is any legal symbol name.
+LABEL?, where LABEL is any legal symbol name.
@end itemize
Local labels thus defined may be redefined or automatically generated.
@itemize @bullet
@item
-.newblock directive @pxref{C54X-Directives,,@code{.newblock}}
+.newblock directive @pxref{TIC54X-Directives,,@code{.newblock}}
@item
The current section is changed (.sect, .text, or .data)
@item
The macro scope where the label was defined is exited
@end itemize
-@node C54X-Builtins
+@node TIC54X-Builtins
@section Math Builtins
-@cindex math builtins, C54X
-@cindex C54X builtin math functions
-@cindex builtin math functions, C54X
+@cindex math builtins, TIC54X
+@cindex TIC54X builtin math functions
+@cindex builtin math functions, TIC54X
The following built-in functions may be used to generate a
floating-point value. All return a floating-point value except
@samp{$cvi}, @samp{$int}, and @samp{$sgn}, which return an integer
-value.
+value.
@table @code
-@cindex @code{$acos} math builtin, C54X
+@cindex @code{$acos} math builtin, TIC54X
@item @code{$acos(@var{expr})}
Returns the floating point arccosine of @var{expr}.
-@cindex @code{$asin} math builtin, C54X
+@cindex @code{$asin} math builtin, TIC54X
@item @code{$asin(@var{expr})}
Returns the floating point arcsine of @var{expr}.
-@cindex @code{$atan} math builtin, C54X
+@cindex @code{$atan} math builtin, TIC54X
@item @code{$atan(@var{expr})}
Returns the floating point arctangent of @var{expr}.
-@cindex @code{$atan2} math builtin, C54X
+@cindex @code{$atan2} math builtin, TIC54X
@item @code{$atan2(@var{expr1},@var{expr2})}
Returns the floating point arctangent of @var{expr1} / @var{expr2}.
-@cindex @code{$ceil} math builtin, C54X
+@cindex @code{$ceil} math builtin, TIC54X
@item @code{$ceil(@var{expr})}
Returns the smallest integer not less than @var{expr} as floating point.
-@cindex @code{$cosh} math builtin, C54X
+@cindex @code{$cosh} math builtin, TIC54X
@item @code{$cosh(@var{expr})}
Returns the floating point hyperbolic cosine of @var{expr}.
-@cindex @code{$cos} math builtin, C54X
+@cindex @code{$cos} math builtin, TIC54X
@item @code{$cos(@var{expr})}
Returns the floating point cosine of @var{expr}.
-@cindex @code{$cvf} math builtin, C54X
+@cindex @code{$cvf} math builtin, TIC54X
@item @code{$cvf(@var{expr})}
Returns the integer value @var{expr} converted to floating-point.
-@cindex @code{$cvi} math builtin, C54X
+@cindex @code{$cvi} math builtin, TIC54X
@item @code{$cvi(@var{expr})}
Returns the floating point value @var{expr} converted to integer.
-@cindex @code{$exp} math builtin, C54X
+@cindex @code{$exp} math builtin, TIC54X
@item @code{$exp(@var{expr})}
Returns the floating point value e ^ @var{expr}.
-@cindex @code{$fabs} math builtin, C54X
+@cindex @code{$fabs} math builtin, TIC54X
@item @code{$fabs(@var{expr})}
Returns the floating point absolute value of @var{expr}.
-@cindex @code{$floor} math builtin, C54X
+@cindex @code{$floor} math builtin, TIC54X
@item @code{$floor(@var{expr})}
Returns the largest integer that is not greater than @var{expr} as
floating point.
-@cindex @code{$fmod} math builtin, C54X
+@cindex @code{$fmod} math builtin, TIC54X
@item @code{$fmod(@var{expr1},@var{expr2})}
Returns the floating point remainder of @var{expr1} / @var{expr2}.
-@cindex @code{$int} math builtin, C54X
+@cindex @code{$int} math builtin, TIC54X
@item @code{$int(@var{expr})}
Returns 1 if @var{expr} evaluates to an integer, zero otherwise.
-@cindex @code{$ldexp} math builtin, C54X
+@cindex @code{$ldexp} math builtin, TIC54X
@item @code{$ldexp(@var{expr1},@var{expr2})}
Returns the floating point value @var{expr1} * 2 ^ @var{expr2}.
-@cindex @code{$log10} math builtin, C54X
+@cindex @code{$log10} math builtin, TIC54X
@item @code{$log10(@var{expr})}
Returns the base 10 logarithm of @var{expr}.
-@cindex @code{$log} math builtin, C54X
+@cindex @code{$log} math builtin, TIC54X
@item @code{$log(@var{expr})}
Returns the natural logarithm of @var{expr}.
-@cindex @code{$max} math builtin, C54X
+@cindex @code{$max} math builtin, TIC54X
@item @code{$max(@var{expr1},@var{expr2})}
Returns the floating point maximum of @var{expr1} and @var{expr2}.
-@cindex @code{$min} math builtin, C54X
+@cindex @code{$min} math builtin, TIC54X
@item @code{$min(@var{expr1},@var{expr2})}
Returns the floating point minimum of @var{expr1} and @var{expr2}.
-@cindex @code{$pow} math builtin, C54X
+@cindex @code{$pow} math builtin, TIC54X
@item @code{$pow(@var{expr1},@var{expr2})}
Returns the floating point value @var{expr1} ^ @var{expr2}.
-@cindex @code{$round} math builtin, C54X
+@cindex @code{$round} math builtin, TIC54X
@item @code{$round(@var{expr})}
Returns the nearest integer to @var{expr} as a floating point number.
-@cindex @code{$sgn} math builtin, C54X
+@cindex @code{$sgn} math builtin, TIC54X
@item @code{$sgn(@var{expr})}
Returns -1, 0, or 1 based on the sign of @var{expr}.
-@cindex @code{$sin} math builtin, C54X
+@cindex @code{$sin} math builtin, TIC54X
@item @code{$sin(@var{expr})}
Returns the floating point sine of @var{expr}.
-@cindex @code{$sinh} math builtin, C54X
+@cindex @code{$sinh} math builtin, TIC54X
@item @code{$sinh(@var{expr})}
Returns the floating point hyperbolic sine of @var{expr}.
-@cindex @code{$sqrt} math builtin, C54X
+@cindex @code{$sqrt} math builtin, TIC54X
@item @code{$sqrt(@var{expr})}
Returns the floating point square root of @var{expr}.
-@cindex @code{$tan} math builtin, C54X
+@cindex @code{$tan} math builtin, TIC54X
@item @code{$tan(@var{expr})}
Returns the floating point tangent of @var{expr}.
-@cindex @code{$tanh} math builtin, C54X
+@cindex @code{$tanh} math builtin, TIC54X
@item @code{$tanh(@var{expr})}
Returns the floating point hyperbolic tangent of @var{expr}.
-@cindex @code{$trunc} math builtin, C54X
+@cindex @code{$trunc} math builtin, TIC54X
@item @code{$trunc(@var{expr})}
Returns the integer value of @var{expr} truncated towards zero as
floating point.
@end table
-@node C54X-Ext
+@node TIC54X-Ext
@section Extended Addressing
The @code{LDX} pseudo-op is provided for loading the extended addressing bits
of a label or address. For example, if an address @code{_label} resides
in extended program memory, the value of @code{_label} may be loaded as
follows:
-@smallexample @code
+@smallexample
ldx #_label,16,a ; loads extended bits of _label
or #_label,a ; loads lower 16 bits of _label
bacc a ; full address is in accumulator A
@end smallexample
-@node C54X-Directives
+@node TIC54X-Directives
@section Directives
-@cindex machine directives, C54X
-@cindex C54X machine directives
+@cindex machine directives, TIC54X
+@cindex TIC54X machine directives
@table @code
-@cindex @code{align} directive, C54X
-@cindex @code{even} directive, C54X
+@cindex @code{align} directive, TIC54X
+@cindex @code{even} directive, TIC54X
@item .align [@var{size}]
@itemx .even
Align the section program counter on the next boundary, based on
Align SPC to word boundary
@item 2
Align SPC to longword boundary (same as .even)
-@item 128
+@item 128
Align SPC to page boundary
@end table
-@cindex @code{asg} directive, C54X
+@cindex @code{asg} directive, TIC54X
@item .asg @var{string}, @var{name}
Assign @var{name} the string @var{string}. String replacement is
performed on @var{string} before assignment.
-@cindex @code{eval} directive, C54X
-@itemx .eval @var{string}, @var{name}
+@cindex @code{eval} directive, TIC54X
+@item .eval @var{string}, @var{name}
Evaluate the contents of string @var{string} and assign the result as a
string to the subsym @var{name}. String replacement is performed on
-@var{string} before assignment.
+@var{string} before assignment.
-@cindex @code{bss} directive, C54X
+@cindex @code{bss} directive, TIC54X
@item .bss @var{symbol}, @var{size} [, [@var{blocking_flag}] [,@var{alignment_flag}]]
Reserve space for @var{symbol} in the .bss section. @var{size} is in
words. If present, @var{blocking_flag} indicates the allocated space
boundary. If present, @var{alignment_flag} causes the assembler to
allocate @var{size} on a long word boundary.
-@cindex @code{byte} directive, C54X
-@cindex @code{ubyte} directive, C54X
-@cindex @code{char} directive, C54X
-@cindex @code{uchar} directive, C54X
+@cindex @code{byte} directive, TIC54X
+@cindex @code{ubyte} directive, TIC54X
+@cindex @code{char} directive, TIC54X
+@cindex @code{uchar} directive, TIC54X
@item .byte @var{value} [,...,@var{value_n}]
@itemx .ubyte @var{value} [,...,@var{value_n}]
@itemx .char @var{value} [,...,@var{value_n}]
The upper 8 bits of each word is zero-filled. If a label is used, it
points to the word allocated for the first byte encountered.
-@cindex @code{clink} directive, C54X
+@cindex @code{clink} directive, TIC54X
@item .clink ["@var{section_name}"]
Set STYP_CLINK flag for this section, which indicates to the linker that
if no symbols from this section are referenced, the section should not
be included in the link. If @var{section_name} is omitted, the current
section is used.
-@cindex @code{c_mode} directive, C54X
+@cindex @code{c_mode} directive, TIC54X
@item .c_mode
TBD.
-@cindex @code{copy} directive, C54X
+@cindex @code{copy} directive, TIC54X
@item .copy "@var{filename}" | @var{filename}
@itemx .include "@var{filename}" | @var{filename}
Read source statements from @var{filename}. The normal include search
file to be printed in the assembly listing and .include will not, but
this distinction is not currently implemented.
-@cindex @code{data} directive, C54X
+@cindex @code{data} directive, TIC54X
@item .data
Begin assembling code into the .data section.
-@cindex @code{double} directive, C54X
-@cindex @code{ldouble} directive, C54X
-@cindex @code{float} directive, C54X
-@cindex @code{xfloat} directive, C54X
+@cindex @code{double} directive, TIC54X
+@cindex @code{ldouble} directive, TIC54X
+@cindex @code{float} directive, TIC54X
+@cindex @code{xfloat} directive, TIC54X
@item .double @var{value} [,...,@var{value_n}]
@itemx .ldouble @var{value} [,...,@var{value_n}]
@itemx .float @var{value} [,...,@var{value_n}]
Place an IEEE single-precision floating-point representation of one or
more floating-point values into the current section. All but
@code{.xfloat} align the result on a longword boundary. Values are
-stored most-significant word first.
+stored most-significant word first.
-@cindex @code{drlist} directive, C54X
-@cindex @code{drnolist} directive, C54X
+@cindex @code{drlist} directive, TIC54X
+@cindex @code{drnolist} directive, TIC54X
@item .drlist
@itemx .drnolist
Control printing of directives to the listing file. Ignored.
-@cindex @code{emsg} directive, C54X
-@cindex @code{mmsg} directive, C54X
-@cindex @code{wmsg} directive, C54X
+@cindex @code{emsg} directive, TIC54X
+@cindex @code{mmsg} directive, TIC54X
+@cindex @code{wmsg} directive, TIC54X
@item .emsg @var{string}
@itemx .mmsg @var{string}
@itemx .wmsg @var{string}
Emit a user-defined error, message, or warning, respectively.
-@cindex @code{far_mode} directive, C54X
+@cindex @code{far_mode} directive, TIC54X
@item .far_mode
Use extended addressing when assembling statements. This should appear
-only once per file, and is equivalent to the -mfar-mode option @pxref{C54X-Opts,,@code{-mfar-mode}}.
+only once per file, and is equivalent to the -mfar-mode option @pxref{TIC54X-Opts,,@code{-mfar-mode}}.
-@cindex @code{fclist} directive, C54X
-@cindex @code{fcnolist} directive, C54X
+@cindex @code{fclist} directive, TIC54X
+@cindex @code{fcnolist} directive, TIC54X
@item .fclist
@itemx .fcnolist
Control printing of false conditional blocks to the listing file.
-@cindex @code{field} directive, C54X
+@cindex @code{field} directive, TIC54X
@item .field @var{value} [,@var{size}]
Initialize a bitfield of @var{size} bits in the current section. If
@var{value} is relocatable, then @var{size} must be 16. @var{size}
directive to begin packing into a new word. If a label is used, it
points to the word that contains the specified field.
-@cindex @code{global} directive, C54X
-@cindex @code{def} directive, C54X
-@cindex @code{ref} directive, C54X
+@cindex @code{global} directive, TIC54X
+@cindex @code{def} directive, TIC54X
+@cindex @code{ref} directive, TIC54X
@item .global @var{symbol} [,...,@var{symbol_n}]
@itemx .def @var{symbol} [,...,@var{symbol_n}]
@itemx .ref @var{symbol} [,...,@var{symbol_n}]
@code{.def} nominally identifies a symbol defined in the current file
-and availalbe to other files. @code{.ref} identifies a symbol used in
+and available to other files. @code{.ref} identifies a symbol used in
the current file but defined elsewhere. Both map to the standard
@code{.global} directive.
-@cindex @code{half} directive, C54X
-@cindex @code{uhalf} directive, C54X
-@cindex @code{short} directive, C54X
-@cindex @code{ushort} directive, C54X
-@cindex @code{int} directive, C54X
-@cindex @code{uint} directive, C54X
-@cindex @code{word} directive, C54X
-@cindex @code{uword} directive, C54X
+@cindex @code{half} directive, TIC54X
+@cindex @code{uhalf} directive, TIC54X
+@cindex @code{short} directive, TIC54X
+@cindex @code{ushort} directive, TIC54X
+@cindex @code{int} directive, TIC54X
+@cindex @code{uint} directive, TIC54X
+@cindex @code{word} directive, TIC54X
+@cindex @code{uword} directive, TIC54X
@item .half @var{value} [,...,@var{value_n}]
@itemx .uhalf @var{value} [,...,@var{value_n}]
@itemx .short @var{value} [,...,@var{value_n}]
@itemx .uword @var{value} [,...,@var{value_n}]
Place one or more values into consecutive words of the current section.
If a label is used, it points to the word allocated for the first value
-encountered.
+encountered.
-@cindex @code{label} directive, C54X
+@cindex @code{label} directive, TIC54X
@item .label @var{symbol}
Define a special @var{symbol} to refer to the load time address of the
current section program counter.
-@cindex @code{length} directive, C54X
-@cindex @code{width} directive, C54X
+@cindex @code{length} directive, TIC54X
+@cindex @code{width} directive, TIC54X
@item .length
@itemx .width
Set the page length and width of the output listing file. Ignored.
-@cindex @code{list} directive, C54X
-@cindex @code{nolist} directive, C54X
+@cindex @code{list} directive, TIC54X
+@cindex @code{nolist} directive, TIC54X
@item .list
@itemx .nolist
Control whether the source listing is printed. Ignored.
-@cindex @code{long} directive, C54X
-@cindex @code{ulong} directive, C54X
-@cindex @code{xlong} directive, C54X
+@cindex @code{long} directive, TIC54X
+@cindex @code{ulong} directive, TIC54X
+@cindex @code{xlong} directive, TIC54X
@item .long @var{value} [,...,@var{value_n}]
@itemx .ulong @var{value} [,...,@var{value_n}]
@itemx .xlong @var{value} [,...,@var{value_n}]
Place one or more 32-bit values into consecutive words in the current
section. The most significant word is stored first. @code{.long} and
@code{.ulong} align the result on a longword boundary; @code{xlong} does
-not.
+not.
-@cindex @code{loop} directive, C54X
-@cindex @code{break} directive, C54X
-@cindex @code{endloop} directive, C54X
+@cindex @code{loop} directive, TIC54X
+@cindex @code{break} directive, TIC54X
+@cindex @code{endloop} directive, TIC54X
@item .loop [@var{count}]
@itemx .break [@var{condition}]
@itemx .endloop
@code{.endloop} directive. The optional @var{condition} will cause the
loop to terminate only if it evaluates to zero.
-@cindex @code{macro} directive, C54X
-@cindex @code{endm} directive, C54X
+@cindex @code{macro} directive, TIC54X
+@cindex @code{endm} directive, TIC54X
@item @var{macro_name} .macro [@var{param1}][,...@var{param_n}]
@itemx [.mexit]
@itemx .endm
-See the section on macros for more explanation (@xref{C54X-Macros}.
+See the section on macros for more explanation (@xref{TIC54X-Macros}.
-@cindex @code{mlib} directive, C54X
+@cindex @code{mlib} directive, TIC54X
@item .mlib "@var{filename}" | @var{filename}
Load the macro library @var{filename}. @var{filename} must be an
archived library (BFD ar-compatible) of text files, expected to contain
only macro definitions. The standard include search path is used.
-@cindex @code{mlist} directive, C54X
-@cindex @code{mnolist} directive, C54X
+@cindex @code{mlist} directive, TIC54X
+@cindex @code{mnolist} directive, TIC54X
@item .mlist
-@item .mnolist
+@itemx .mnolist
Control whether to include macro and loop block expansions in the
listing output. Ignored.
-@cindex @code{mmregs} directive, C54X
+@cindex @code{mmregs} directive, TIC54X
@item .mmregs
Define global symbolic names for the 'c54x registers. Supposedly
equivalent to executing @code{.set} directives for each register with
its memory-mapped value, but in reality is provided only for
compatibility and does nothing.
-@cindex @code{newblock} directive, C54X
+@cindex @code{newblock} directive, TIC54X
@item .newblock
-This directive resets any C54X local labels currently defined. Normal
+This directive resets any TIC54X local labels currently defined. Normal
@code{@value{AS}} local labels are unaffected.
-@cindex @code{option} directive, C54X
+@cindex @code{option} directive, TIC54X
@item .option @var{option_list}
Set listing options. Ignored.
-@cindex @code{sblock} directive, C54X
+@cindex @code{sblock} directive, TIC54X
@item .sblock "@var{section_name}" | @var{section_name} [,"@var{name_n}" | @var{name_n}]
Designate @var{section_name} for blocking. Blocking guarantees that a
section will start on a page boundary (128 words) if it would otherwise
cross a page boundary. Only initialized sections may be designated with
-this directive. See also @xref{C54X-Block}.
+this directive. See also @xref{TIC54X-Block}.
-@cindex @code{sect} directive, C54X
+@cindex @code{sect} directive, TIC54X
@item .sect "@var{section_name}"
Define a named initialized section and make it the current section.
-@cindex @code{set} directive, C54X
-@cindex @code{equ} directive, C54X
+@cindex @code{set} directive, TIC54X
+@cindex @code{equ} directive, TIC54X
@item @var{symbol} .set "@var{value}"
@itemx @var{symbol} .equ "@var{value}"
Equate a constant @var{value} to a @var{symbol}, which is placed in the
-symbol table. @var{symbol} may not be previously defined.
+symbol table. @var{symbol} may not be previously defined.
-@cindex @code{space} directive, C54X
-@cindex @code{bes} directive, C54X
+@cindex @code{space} directive, TIC54X
+@cindex @code{bes} directive, TIC54X
@item .space @var{size_in_bits}
@itemx .bes @var{size_in_bits}
Reserve the given number of bits in the current section and zero-fill
@strong{first} word reserved. With @code{.bes}, the label points to the
@strong{last} word reserved.
-@cindex @code{sslist} directive, C54X
-@cindex @code{ssnolist} directive, C54X
+@cindex @code{sslist} directive, TIC54X
+@cindex @code{ssnolist} directive, TIC54X
@item .sslist
@itemx .ssnolist
Controls the inclusion of subsym replacement in the listing output. Ignored.
-@cindex @code{string} directive, C54X
-@cindex @code{pstring} directive, C54X
+@cindex @code{string} directive, TIC54X
+@cindex @code{pstring} directive, TIC54X
@item .string "@var{string}" [,...,"@var{string_n}"]
@itemx .pstring "@var{string}" [,...,"@var{string_n}"]
Place 8-bit characters from @var{string} into the current section.
most-significant bits first. Unused space is zero-filled. If a label
is used, it points to the first word initialized.
-@cindex @code{struct} directive, C54X
-@cindex @code{tag} directive, C54X
-@cindex @code{endstruct} directive, C54X
+@cindex @code{struct} directive, TIC54X
+@cindex @code{tag} directive, TIC54X
+@cindex @code{endstruct} directive, TIC54X
@item [@var{stag}] .struct [@var{offset}]
@itemx [@var{name_1}] element [@var{count_1}]
@itemx [@var{name_2}] element [@var{count_2}]
@code{.field} and @code{.string} are also allowed; the size of
@code{.field} is one bit, and @code{.string} is considered to be one
word in size. Only element descriptors, structure/union tags,
-@code{.align} and conditioanl assembly directies are allowed within
+@code{.align} and conditional assembly directives are allowed within
@code{.struct}/@code{.endstruct}. @code{.align} aligns member offsets
to word boundaries only. @var{ssize}, if provided, will always be
assigned the size of the structure.
structure/union element within a structure, may be used to apply a
structure to a symbol. Once applied to @var{label}, the individual
structure elements may be applied to @var{label} to produce the desired
-offsets using @var{label} as the structure base.
+offsets using @var{label} as the structure base.
-@cindex @code{tab} directive, C54X
+@cindex @code{tab} directive, TIC54X
@item .tab
Set the tab size in the output listing. Ignored.
-@cindex @code{union} directive, C54X
-@cindex @code{tag} directive, C54X
-@cindex @code{endunion} directive, C54X
-@item [@var{utag}] .union
+@cindex @code{union} directive, TIC54X
+@cindex @code{tag} directive, TIC54X
+@cindex @code{endunion} directive, TIC54X
+@item [@var{utag}] .union
@itemx [@var{name_1}] element [@var{count_1}]
@itemx [@var{name_2}] element [@var{count_2}]
@itemx [@var{tname}] .tag @var{utagx}[,@var{tcount}]
zero, and the @var{usize} is set to the maximum of all defined elements.
Starting offset for the union is always zero.
-@cindex @code{usect} directive, C54X
+@cindex @code{usect} directive, TIC54X
@item [@var{symbol}] .usect "@var{section_name}", @var{size}, [,[@var{blocking_flag}] [,@var{alignment_flag}]]
-Reserve space for variables in a named, uninitialzed section (similar to
+Reserve space for variables in a named, uninitialized section (similar to
.bss). @code{.usect} allows definitions sections independent of .bss.
@var{symbol} points to the first location reserved by this allocation.
The symbol may be used as a variable name. @var{size} is the allocated
size in words. @var{blocking_flag} indicates whether to block this
-section on a page boundary (128 words) (@pxref{C54X-Block}).
+section on a page boundary (128 words) (@pxref{TIC54X-Block}).
@var{alignment flag} indicates whether the section should be
-longword-aligned.
+longword-aligned.
-@cindex @code{var} directive, C54X
+@cindex @code{var} directive, TIC54X
@item .var @var{sym}[,..., @var{sym_n}]
Define a subsym to be a local variable within a macro. See
-@xref{C54X-Macros}.
+@xref{TIC54X-Macros}.
-@cindex @code{version} directive, C54X
+@cindex @code{version} directive, TIC54X
@item .version @var{version}
Set which processor to build instructions for. Though the following
values are accepted, the op is ignored.
@end table
@end table
-@node C54X-Macros
+@node TIC54X-Macros
@section Macros
-@cindex C54X-specific macros
-@cindex macros, C54X
-Macros do not require explicit dereferencing of arguments (i.e. \ARG).
+@cindex TIC54X-specific macros
+@cindex macros, TIC54X
+Macros do not require explicit dereferencing of arguments (i.e., \ARG).
During macro expansion, the macro parameters are converted to subsyms.
If the number of arguments passed the macro invocation exceeds the
number of parameters defined, the last parameter is assigned the string
equivalent of all remaining arguments. If fewer arguments are given
than parameters, the missing parameters are assigned empty strings. To
-include a comma in an argument, you must enclose the agument in quotes.
+include a comma in an argument, you must enclose the argument in quotes.
-@cindex subsym builtins, C54X
-@cindex C54X subsym builtins
-@cindex builtin subsym functions, C54X
+@cindex subsym builtins, TIC54X
+@cindex TIC54X subsym builtins
+@cindex builtin subsym functions, TIC54X
The following built-in subsym functions allow examination of the string
value of subsyms (or ordinary strings). The arguments are strings
unless otherwise indicated (subsyms passed as args will be replaced by
the strings they represent).
@table @code
-@cindex @code{$symlen} subsym builtin, C54X
+@cindex @code{$symlen} subsym builtin, TIC54X
@item @code{$symlen(@var{str})}
Returns the length of @var{str}.
-@cindex @code{$symcmp} subsym builtin, C54X
+@cindex @code{$symcmp} subsym builtin, TIC54X
@item @code{$symcmp(@var{str1},@var{str2})}
-Returns 0 if @var{str1} == @var{str2}, non-zero otherwise.
+Returns 0 if @var{str1} == @var{str2}, non-zero otherwise.
-@cindex @code{$firstch} subsym builtin, C54X
+@cindex @code{$firstch} subsym builtin, TIC54X
@item @code{$firstch(@var{str},@var{ch})}
Returns index of the first occurrence of character constant @var{ch} in
-@var{str}.
+@var{str}.
-@cindex @code{$lastch} subsym builtin, C54X
+@cindex @code{$lastch} subsym builtin, TIC54X
@item @code{$lastch(@var{str},@var{ch})}
Returns index of the last occurrence of character constant @var{ch} in
-@var{str}.
+@var{str}.
-@cindex @code{$isdefed} subsym builtin, C54X
+@cindex @code{$isdefed} subsym builtin, TIC54X
@item @code{$isdefed(@var{symbol})}
Returns zero if the symbol @var{symbol} is not in the symbol table,
non-zero otherwise.
-@cindex @code{$ismember} subsym builtin, C54X
+@cindex @code{$ismember} subsym builtin, TIC54X
@item @code{$ismember(@var{symbol},@var{list})}
Assign the first member of comma-separated string @var{list} to
@var{symbol}; @var{list} is reassigned the remainder of the list. Returns
zero if @var{list} is a null string. Both arguments must be subsyms.
-@cindex @code{$iscons} subsym builtin, C54X
+@cindex @code{$iscons} subsym builtin, TIC54X
@item @code{$iscons(@var{expr})}
Returns 1 if string @var{expr} is binary, 2 if octal, 3 if hexadecimal,
4 if a character, 5 if decimal, and zero if not an integer.
-@cindex @code{$isname} subsym builtin, C54X
+@cindex @code{$isname} subsym builtin, TIC54X
@item @code{$isname(@var{name})}
Returns 1 if @var{name} is a valid symbol name, zero otherwise.
-@cindex @code{$isreg} subsym builtin, C54X
+@cindex @code{$isreg} subsym builtin, TIC54X
@item @code{$isreg(@var{reg})}
Returns 1 if @var{reg} is a valid predefined register name (AR0-AR7 only).
-@cindex @code{$structsz} subsym builtin, C54X
+@cindex @code{$structsz} subsym builtin, TIC54X
@item @code{$structsz(@var{stag})}
Returns the size of the structure or union represented by @var{stag}.
-@cindex @code{$structacc} subsym builtin, C54X
+@cindex @code{$structacc} subsym builtin, TIC54X
@item @code{$structacc(@var{stag})}
Returns the reference point of the structure or union represented by
@var{stag}. Always returns zero.
@end table
-@node C54X-MMRegs
+@node TIC54X-MMRegs
@section Memory-mapped Registers
-@cindex C54X memory-mapped registers
-@cindex registers, C54X memory-mapped
-@cindex memory-mapped registers, C54X
+@cindex TIC54X memory-mapped registers
+@cindex registers, TIC54X memory-mapped
+@cindex memory-mapped registers, TIC54X
The following symbols are recognized as memory-mapped registers:
@table @code
-@end table
\ No newline at end of file
+@end table
+
+@node TIC54X-Syntax
+@section TIC54X Syntax
+@menu
+* TIC54X-Chars:: Special Characters
+@end menu
+
+@node TIC54X-Chars
+@subsection Special Characters
+
+@cindex line comment character, TIC54X
+@cindex TIC54X line comment character
+The presence of a @samp{;} appearing anywhere on a line indicates the
+start of a comment that extends to the end of that line.
+
+If a @samp{#} appears as the first character of a line then the whole
+line is treated as a comment, but in this case the line can also be a
+logical line number directive (@pxref{Comments}) or a preprocessor
+control command (@pxref{Preprocessing}).
+
+The presence of an asterisk (@samp{*}) at the start of a line also
+indicates a comment that extends to the end of that line.
+
+@cindex line separator, TIC54X
+@cindex statement separator, TIC54X
+@cindex TIC54X line separator
+The TIC54X assembler does not currently support a line separator
+character.
+
projects / deliverable / binutils-gdb.git / blobdiff