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| author | Jan Hubicka <jh@suse.cz> | 2013-06-12 00:41:54 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2013-06-11 22:41:54 +0000 |
| commit | 08346abd1968a14666f6a99ae8be09914d9ed088 (patch) | |
| tree | 686df94f949e2cec6e2a798766deecbc25911199 /gcc/cgraph.h | |
| parent | e1745b439ebf2196d30206e4473a4844f5e06c6d (diff) | |
| download | gcc-08346abd1968a14666f6a99ae8be09914d9ed088.zip gcc-08346abd1968a14666f6a99ae8be09914d9ed088.tar.gz gcc-08346abd1968a14666f6a99ae8be09914d9ed088.tar.bz2 | |
c-common.c (handle_alias_ifunc_attribute): Do not set DECL_EXTERNAL for weakref variables.
* c-family/c-common.c (handle_alias_ifunc_attribute): Do not set
DECL_EXTERNAL for weakref variables.
* c-family/c-pragma.c (handle_pragma_weak): Make sure aliases
are not declared as external.
* cgraph.c (cgraph_create_function_alias): Set weakref flag.
* cgraph.h (symtab_node_base): Add weakref flag.
* cgraphunit.c (cgraph_reset_node): Clear weakref flag.
(handle_alias_pairs): Set weakref flag, do not set DECL_EXTERNAL.
(output_weakrefs): Use weakref flag.
* fold-const.c (simple_operand_p): Handle WEAK.
* gimple-fold.c (can_refer_decl_in_current_unit_p): Drop weakref.
* ipa.c (varpool_externally_visible_p): Drop weakref.
(function_and_variable_visibility): Update comment; fix weakref
sanity checks; do not clear DECL_WEAK on them.
* lto-cgraph.c (lto_output_node): update.
(lto_output_varpool_node): Update.
(input_overwrite_node): Update.
(input_node): Update.
(input_varpool_node): Update.
* lto-symtab.c (lto_symtab_symbol_p): Do not special case weakrefs.
(lto_symtab_merge_symbols): Add sanity check.
(lto_symtab_prevailing_decl): Do not special case weakrefs.
* passes.c (rest_of_decl_compilation): Set static flag, too.
* symtab.c (dump_symtab_base): Dump weakref.
(verify_symtab_base): Sanity check weakrefs.
(symtab_make_decl_local): Remove duplicated code.
(symtab_alias_ultimate_target): Simplify.
* varpool.c (varpool_create_variable_alias): Set weakref flag.
* lto-partition.c (get_symbol_class): Simplify weakref handling.
(add_symbol_to_partition_1): Likewise.
(contained_in_symbol): Likewise.
(lto_balanced_map): Likewise.
(rename_statics): Drop weakref.
From-SVN: r199971
Diffstat (limited to 'gcc/cgraph.h')
| -rw-r--r-- | gcc/cgraph.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/cgraph.h b/gcc/cgraph.h index dda4402..c67506d 100644 --- a/gcc/cgraph.h +++ b/gcc/cgraph.h @@ -56,6 +56,8 @@ struct GTY(()) symtab_node_base /* True when symbol is an alias. Set by assemble_alias. */ unsigned alias : 1; + /* True when alias is a weakref. */ + unsigned weakref : 1; /* C++ frontend produce same body aliases and extra name aliases for virutal functions and vtables that are obviously equivalent. Those aliases are bit special, especially because C++ frontend |