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2000-02-27 Hans-Peter Nilsson <hp@axis.com>

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* doc/internals.texi (CPU backend): Mention that
	line_separator_chars do not break up comments.  Fix typos for
	LEX_AT and LEX_NAME descriptions.  Document operands for
	TC_EQUAL_IN_INSN, md_operand and md_section_align.  Correct
	description of md_create_short_jump usage.  Document argument for
	md_undefined_symbol.
This commit is contained in:
Ian Lance Taylor 2000-02-28 04:08:32 +00:00
parent 4eee26817d
commit 65fd87bce3
2 changed files with 31 additions and 14 deletions
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9
gas/ChangeLog
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@ -1,3 +1,12 @@
2000-02-27 Hans-Peter Nilsson <hp@axis.com>
* doc/internals.texi (CPU backend): Mention that
line_separator_chars do not break up comments. Fix typos for
LEX_AT and LEX_NAME descriptions. Document operands for
TC_EQUAL_IN_INSN, md_operand and md_section_align. Correct
description of md_create_short_jump usage. Document argument for
md_undefined_symbol.
2000-02-27 Jakub Jelinek <jakub@redhat.com>
* config/tc-sparc.c (OPTION_UNDECLARED_REGS): New option.

36
gas/doc/internals.texi
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@ -914,7 +914,9 @@ comment when they appear at the start of a line.
@cindex line_separator_chars
This is a null terminated @code{const char} array of characters which separate
lines (semicolon and newline are such characters by default, and need not be
listed in this array).
listed in this array). Note that line_separator_chars do not separate lines
if found in a comment, such as after a character in line_comment_chars or
comment_chars.
@item EXP_CHARS
@cindex EXP_CHARS
@ -932,13 +934,13 @@ Usually this includes @samp{r} and @samp{f}.
@item LEX_AT
@cindex LEX_AT
You may define this macro to the lexical type of the @kbd{@}} character. The
You may define this macro to the lexical type of the @kbd{@@} character. The
default is zero.
Lexical types are a combination of @code{LEX_NAME} and @code{LEX_BEGIN_NAME},
both defined in @file{read.h}. @code{LEX_NAME} indicates that the character
may appear in a name. @code{LEX_BEGIN_NAME} indicates that the character may
appear at the beginning of a nem.
appear at the beginning of a name.
@item LEX_BR
@cindex LEX_BR
@ -1007,7 +1009,9 @@ If you define this macro, GAS will not require pseudo-ops to start with a
@item TC_EQUAL_IN_INSN
@cindex TC_EQUAL_IN_INSN
If you define this macro, it should return nonzero if the instruction is
permitted to contain an @kbd{=} character. GAS will use this to decide if a
permitted to contain an @kbd{=} character. GAS will call it with two
arguments, the character before the @kbd{=} character, and the value of
@code{input_line_pointer} at that point. GAS uses this macro to decide if a
@kbd{=} is an assignment or an instruction.
@item TC_EOL_IN_INSN
@ -1029,13 +1033,14 @@ creates a new symbol. Typically this would be used to supply symbols whose
name or value changes dynamically, possibly in a context sensitive way.
Predefined symbols with fixed values, such as register names or condition
codes, are typically entered directly into the symbol table when @code{md_begin}
is called.
is called. One argument is passed, a @code{char *} for the symbol.
@item md_operand
@cindex md_operand
GAS will call this function for any expression that can not be recognized.
When the function is called, @code{input_line_pointer} will point to the start
of the expression.
GAS will call this function with one argument, an @code{expressionS}
pointer, for any expression that can not be recognized. When the function
is called, @code{input_line_pointer} will point to the start of the
expression.
@item tc_unrecognized_line
@cindex tc_unrecognized_line
@ -1125,11 +1130,11 @@ relocation entry.
@cindex md_create_long_jump
If @code{WORKING_DOT_WORD} is defined, GAS will not do broken word processing
(@pxref{Broken words}). Otherwise, you should set @code{md_short_jump_size} to
the size of a short jump (a jump that is just long enough to jump around a long
jmp) and @code{md_long_jump_size} to the size of a long jump (a jump that can
go anywhere in the function), You should define @code{md_create_short_jump} to
create a short jump around a long jump, and define @code{md_create_long_jump}
to create a long jump.
the size of a short jump (a jump that is just long enough to jump around a
number of long jumps) and @code{md_long_jump_size} to the size of a long jump
(a jump that can go anywhere in the function). You should define
@code{md_create_short_jump} to create a short jump around a number of long
jumps, and define @code{md_create_long_jump} to create a long jump.
@item md_estimate_size_before_relax
@cindex md_estimate_size_before_relax
@ -1227,7 +1232,10 @@ If you define this macro, GAS will call it each time a label is defined.
@item md_section_align
@cindex md_section_align
GAS will call this function for each section at the end of the assembly, to
permit the CPU backend to adjust the alignment of a section.
permit the CPU backend to adjust the alignment of a section. The function
must take two arguments, a @code{segT} for the section and a @code{valueT}
for the size of the section, and return a @code{valueT} for the rounded
size.
@item DOUBLEBAR_PARALLEL
@cindex DOUBLEBAR_PARALLEL