diff options
Diffstat (limited to 'gas/doc/internals.texi')
| -rw-r--r-- | gas/doc/internals.texi | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/gas/doc/internals.texi b/gas/doc/internals.texi index 34c974f..c9d2497 100644 --- a/gas/doc/internals.texi +++ b/gas/doc/internals.texi @@ -644,7 +644,7 @@ The variable characters are to be repeated @code{fr_offset} times. If have this type. @item rs_leb128 -This state is used to implement the DWARF ``little endian base 128'' +This state is used to implement the DWARF ``little endian base 128'' variable length number format. The @code{fr_symbol} is always an expression symbol, as constant expressions are emitted directly. The @code{fr_offset} field is used during relaxation to hold the previous size of the number so @@ -964,7 +964,7 @@ default value is @code{LEX_NAME | LEX_BEGIN_NAME}. @item NUMBERS_WITH_SUFFIX @cindex NUMBERS_WITH_SUFFIX When this macro is defined to be non-zero, the parser allows the radix of a -constant to be indicated with a suffix. Valid suffixes are binary (B), +constant to be indicated with a suffix. Valid suffixes are binary (B), octal (Q), and hexadecimal (H). Case is not significant. @item SINGLE_QUOTE_STRINGS @@ -999,7 +999,7 @@ default definition is to accept any name followed by a colon character. @item TC_START_LABEL_WITHOUT_COLON @cindex TC_START_LABEL_WITHOUT_COLON Same as TC_START_LABEL, but should be used instead of TC_START_LABEL when -LABELS_WITHOUT_COLONS is defined. +LABELS_WITHOUT_COLONS is defined. @item NO_PSEUDO_DOT @cindex NO_PSEUDO_DOT @@ -1183,6 +1183,15 @@ If you define this macro, and the global variable @samp{linkrelax} is set @samp{.align} directive will cause extra space to be allocated. The linker can then discard this space when relaxing the section. +@item TC_LINKRELAX_FIXUP ($var{segT}) +@cindex TC_LINKRELAX_FIXUP +If defined, this macro allows control over whether fixups for a +given section will be processed when the @var{linkrelax} variable is +set. The macro is given the N_TYPE bits for the section in its +@var{segT} argument. If the macro evaluates to a non-zero value +then the fixups will be converted into relocs, otherwise they will +be passed to @var{md_apply_fix3} as normal. + @item md_convert_frag @cindex md_convert_frag GAS will call this for each rs_machine_dependent fragment. @@ -1257,7 +1266,7 @@ size. @cindex md_macro_start If defined, GAS will call this macro when it starts to include a macro expansion. @code{macro_nest} indicates the current macro nesting level, which -includes the one being expanded. +includes the one being expanded. @item md_macro_info @cindex md_macro_info @@ -1269,7 +1278,7 @@ macro (macro_entry *), which includes expansion of the formal arguments. @item md_macro_end @cindex md_macro_end Complement to md_macro_start. If defined, it is called when finished -processing an inserted macro expansion, just before decrementing macro_nest. +processing an inserted macro expansion, just before decrementing macro_nest. @item DOUBLEBAR_PARALLEL @cindex DOUBLEBAR_PARALLEL |