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author | Richard Henderson <rth@redhat.com> | 2002-11-26 22:32:13 -0800 |
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committer | Richard Henderson <rth@gcc.gnu.org> | 2002-11-26 22:32:13 -0800 |
commit | d5c4db173884bbf20c3cefcaa8ee191ae628fa1b (patch) | |
tree | cc2e1d8a566925797265abddc36ab7ef795c9d6b /gcc/doc | |
parent | 25fdb4dc9751240a83e919d089afd9129f1b0396 (diff) | |
download | gcc-d5c4db173884bbf20c3cefcaa8ee191ae628fa1b.zip gcc-d5c4db173884bbf20c3cefcaa8ee191ae628fa1b.tar.gz gcc-d5c4db173884bbf20c3cefcaa8ee191ae628fa1b.tar.bz2 |
c-common.c (handle_visibility_attribute): Accept "default".
* c-common.c (handle_visibility_attribute): Accept "default".
* tree.h (enum symbol_visibility): New.
(decl_visibility): Declare.
* target.h (gcc_target.visibility): Take visibility arg as integer.
* varasm.c (default_assemble_visibility): Likewise.
(decl_visibility): New.
(maybe_assemble_visibility): Use it.
* output.h (default_assemble_visibility): Update prototype.
* config/rs6000/rs6000.c (rs6000_assemble_visibility): Take
visibility arg as integer.
* doc/extend.texi: Document default visibility.
From-SVN: r59560
Diffstat (limited to 'gcc/doc')
-rw-r--r-- | gcc/doc/extend.texi | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 0b60c60..fad4d86 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -2307,7 +2307,7 @@ Not all target machines support this attribute. @item visibility ("@var{visibility_type}") @cindex @code{visibility} attribute The @code{visibility} attribute on ELF targets causes the declaration -to be emitted with hidden, protected or internal visibility. +to be emitted with default, hidden, protected or internal visibility. @smallexample void __attribute__ ((visibility ("protected"))) @@ -2318,6 +2318,11 @@ int i __attribute__ ((visibility ("hidden"))); See the ELF gABI for complete details, but the short story is @table @dfn +@item default +Default visibility is the normal case for ELF. This value is +available for the visibiliy attribute to override other options +that may change the assumed visibility of symbols. + @item hidden Hidden visibility indicates that the symbol will not be placed into the dynamic symbol table, so no other @dfn{module} (executable or |