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| author | Jan Hubicka <jh@suse.cz> | 2005-06-24 17:14:04 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2005-06-24 15:14:04 +0000 |
| commit | ce91e74c187986865c3de8fbd871242183afa93d (patch) | |
| tree | cb74c75feb0a3380d0f1a108528cdc35a05f7892 /gcc/doc/extend.texi | |
| parent | 62765fb14a52c42422b31938deb5893ebe13e735 (diff) | |
| download | gcc-ce91e74c187986865c3de8fbd871242183afa93d.zip gcc-ce91e74c187986865c3de8fbd871242183afa93d.tar.gz gcc-ce91e74c187986865c3de8fbd871242183afa93d.tar.bz2 | |
tree-optimize.c (init_tree_optimization_passes): Fix flags of all_passes and all_ipa_passes.
* tree-optimize.c (init_tree_optimization_passes): Fix flags of
all_passes and all_ipa_passes.
* c-common.c: Include cgraph.h
(handle_externally_visible_attribute): New function.
(c_common_att): Add "externally_visible" attribute.
* cgraph.c (decide_is_variable_needed): Obey externally
visible flag.
(cgraph_varpool_finalize_decl): Avoid redundant checking.
* cgraph.h (struct cgraph_node): New flag externally_visible.
(decide_is_function_needed): Obey externally visible flag.
(cgraph_finalize_function): Avoid redundant checks.
(cgraph_function_and_variable_visibility): Bring symbols local
when asked for.
* common.opt (fwhole-program): New flag.
* doc/invoke.texi (-fwhole-program): Document.
From-SVN: r101295
Diffstat (limited to 'gcc/doc/extend.texi')
| -rw-r--r-- | gcc/doc/extend.texi | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 6a31e9c..c0363dd 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -1525,7 +1525,8 @@ attributes are currently defined for functions on all targets: @code{format}, @code{format_arg}, @code{no_instrument_function}, @code{section}, @code{constructor}, @code{destructor}, @code{used}, @code{unused}, @code{deprecated}, @code{weak}, @code{malloc}, -@code{alias}, @code{warn_unused_result} and @code{nonnull}. Several other +@code{alias}, @code{warn_unused_result}, @code{nonnull} +and @code{externally_visible}. Several other attributes are defined for functions on particular target systems. Other attributes, including @code{section} are supported for variables declarations (@pxref{Variable Attributes}) and for types (@pxref{Type Attributes}). @@ -2345,6 +2346,12 @@ also be used with non-function declarations. Weak symbols are supported for ELF targets, and also for a.out targets when using the GNU assembler and linker. +@item externally_visible +@cindex @code{externally_visible} attribute. +This attribute, attached to a global variable or function nullify +effect of @option{-fwhole-program} command line option, so the object +remain visible outside the current compilation unit + @end table You can specify multiple attributes in a declaration by separating them |