X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gas%2Fdoc%2Finternals.texi;h=59b2d3acee59fe31eab6cf8e61a11cbca937c3b0;hb=408520bcaa874edb0e37506e8559b2e4194dca05;hp=23520bdf75bbefb7d8cabe9af073a547a5cb7d82;hpb=b3adc24a0713411ab38a21dc894dd40dbc5c8f4f;p=binutils-gdb.git

diff --git a/gas/doc/internals.texi b/gas/doc/internals.texi
index 23520bdf75b..59b2d3acee5 100644
--- a/gas/doc/internals.texi
+++ b/gas/doc/internals.texi
@@ -1,5 +1,5 @@
 \input texinfo
-@c  Copyright (C) 1991-2020 Free Software Foundation, Inc.
+@c  Copyright (C) 1991-2022 Free Software Foundation, Inc.
 @setfilename internals.info
 @node Top
 @top Assembler Internals
@@ -1034,6 +1034,12 @@ 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.  One argument is passed, a @code{char *} for the symbol.
 
+@item md_resolve_symbol
+@cindex md_resolve_symbol
+If this macro is defined, GAS will call it upon resolving machine-dependent
+symbols (that is, for any symbol with operation O_md1..O_md32 inclusively).
+If this functions returns zero, then the symbol could not be resolved.
+
 @item md_operand
 @cindex md_operand
 GAS will call this function with one argument, an @code{expressionS}
@@ -1106,7 +1112,8 @@ You may define this macro to generate a fixup for a data allocation pseudo-op.
 @item TC_ADDRESS_BYTES
 @cindex TC_ADDRESS_BYTES
 Define this macro to specify the number of bytes used to store an address.
-Used to implement @code{dc.a}.  The target must have a reloc for this size.
+Used to implement @code{dc.a}.  If not defined by the target, a default will
+be supplied.  Targets are assumed to have a reloc for this size.
 
 @item TC_INIT_FIX_DATA (@var{fixp})
 @cindex TC_INIT_FIX_DATA
@@ -1547,6 +1554,16 @@ The function should return the debug format that is preferred by the CPU
 backend.  This format will be used when generating assembler specific debug
 information.
 
+@item md_emit_single_noop_insn
+@itemx md_single_noop_insn
+These macro facilitate the @var{.nop} directive.  If defined the
+@var{md_emit_single_noop_insn) macro provides code to insert a single no-op
+instruction into the output stream.  If this involves calling @var{md_assemble}
+with a fixed string then the alternative macro @var{md_single_noop_insn} can be
+defined, specifying the string to pass.  If neither of these macros are defined
+then the @var{.nop} directive will call @var{md_assemble} with the string
+@option{nop}.
+
 @item md_allow_local_subtract (@var{left}, @var{right}, @var{section})
 If defined, GAS will call this macro when evaluating an expression which is the
 difference of two symbols defined in the same section.  It takes three
@@ -1908,45 +1925,6 @@ after all input has been read, but messages about fixups should refer to the
 original filename and line number that they are applicable to.
 @end deftypefun
 
-@deftypefun @{@} void sprint_value (char *@var{buf}, valueT @var{val})
-This function is helpful for converting a @code{valueT} value into printable
-format, in case it's wider than modes that @code{*printf} can handle.  If the
-type is narrow enough, a decimal number will be produced; otherwise, it will be
-in hexadecimal.  The value itself is not examined to make this determination.
-@end deftypefun
-
-@node Hash tables
-@subsection Hash tables
-@cindex hash tables
-
-@deftypefun @{@} @{struct hash_control *@} hash_new (void)
-Creates the hash table control structure.
-@end deftypefun
-
-@deftypefun @{@} void hash_die (struct hash_control *)
-Destroy a hash table.
-@end deftypefun
-
-@deftypefun @{@} void *hash_delete (struct hash_control *, const char *, int)
-Deletes entry from the hash table, returns the value it had.  If the last
-arg is non-zero, free memory allocated for this entry and all entries
-allocated more recently than this entry.
-@end deftypefun
-
-@deftypefun @{@} void *hash_replace (struct hash_control *, const char *, void *)
-Updates the value for an entry already in the table, returning the old value.
-If no entry was found, just returns NULL.
-@end deftypefun
-
-@deftypefun @{@} @{const char *@} hash_insert (struct hash_control *, const char *, void *)
-Inserting a value already in the table is an error.
-Returns an error message or NULL.
-@end deftypefun
-
-@deftypefun @{@} @{const char *@} hash_jam (struct hash_control *, const char *, void *)
-Inserts if the value isn't already present, updates it if it is.
-@end deftypefun
-
 @node Test suite
 @section Test suite
 @cindex test suite