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Document USE_SELECT_SECTION_FOR_FUNCTIONS
- From: gkeating at apple dot com (Geoffrey Keating)
- To: gcc-patches at gcc dot gnu dot org
- Date: Wed, 27 Oct 2004 14:16:09 -0700 (PDT)
- Subject: Document USE_SELECT_SECTION_FOR_FUNCTIONS
I forgot to document this. No-one noticed. I feel unloved :-).
Tested with 'make info' on powerpc-darwin.
--
- Geoffrey Keating <geoffk@apple.com>
===File ~/patches/gcc-darwin-weak-ssfdoc.patch==============
2004-10-27 Geoffrey Keating <geoffk@apple.com>
* doc/tm.texi (USE_SELECT_SECTION_FOR_FUNCTIONS): Document.
Index: doc/tm.texi
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doc/tm.texi,v
retrieving revision 1.384
diff -u -p -u -p -r1.384 tm.texi
--- doc/tm.texi 23 Oct 2004 20:31:24 -0000 1.384
+++ doc/tm.texi 27 Oct 2004 21:15:14 -0000
@@ -5980,8 +5980,19 @@ in bits.
The default version of this function takes care of putting read-only
variables in @code{readonly_data_section}.
+
+See also @var{USE_SELECT_SECTION_FOR_FUNCTIONS}.
@end deftypefn
+@defmac USE_SELECT_SECTION_FOR_FUNCTIONS
+Define this macro if you wish TARGET_ASM_SELECT_SECTION to be called
+for @code{FUNCTION_DECL}s as well as for variables and constants.
+
+In the case of a @code{FUNCTION_DECL}, @var{reloc} will be zero if the
+function has been determined to be likely to be called, and nonzero if
+it is unlikely to be called.
+@end defmac
+
@deftypefn {Target Hook} void TARGET_ASM_UNIQUE_SECTION (tree @var{decl}, int @var{reloc})
Build up a unique section name, expressed as a @code{STRING_CST} node,
and assign it to @samp{DECL_SECTION_NAME (@var{decl})}.
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