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| author | Jan Hubicka <hubicka@ucw.cz> | 2019-11-30 22:03:25 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2019-11-30 21:03:25 +0000 |
| commit | d7ddfbcb7fa6e700639c9b916bf8a5ed15600950 (patch) | |
| tree | 3e8ad36922e2df05cdc896aec48daa30135163d6 /gcc/varasm.c | |
| parent | 65ef05d0b7fb429c5760189e638c441dc3da33f4 (diff) | |
| download | gcc-d7ddfbcb7fa6e700639c9b916bf8a5ed15600950.zip gcc-d7ddfbcb7fa6e700639c9b916bf8a5ed15600950.tar.gz gcc-d7ddfbcb7fa6e700639c9b916bf8a5ed15600950.tar.bz2 | |
cgraph.h (symtab_node): Add symver flag.
2019-11-30 Jan Hubicka <hubicka@ucw.cz>
* cgraph.h (symtab_node): Add symver flag.
* cgraphunit.c (process_symver_attribute): New.
(process_common_attributes): Use process_symver_attribute.
* lto-cgraph.c (lto_output_node): Stream symver.
(lto_output_varpool_node): Stream symver.
(input_overwrite_node): Stream symver.
(input_varpool_node): Stream symver.
* output.h (do_assemble_symver): Decalre.
* symtab.c (symtab_node::dump_base): Dump symver.
(symtab_node::verify_base): Verify symver.
(symtab_node::resolve_alias): Handle symver.
* varasm.c (do_assemble_symver): New function.
* varpool.c (varpool_node::assemble_aliases): Use it.
* doc/extend.texi: (symver attribute): Document.
* config/elfos.h (ASM_OUTPUT_SYMVER_DIRECTIVE): New.
c-family/ChangeLog:
2019-11-30 Jan Hubicka <hubicka@ucw.cz>
* c-attribs.c (handle_symver_attribute): New function
(c_common_attributes): Add symver.
From-SVN: r278878
Diffstat (limited to 'gcc/varasm.c')
| -rw-r--r-- | gcc/varasm.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/varasm.c b/gcc/varasm.c index 57365ad..d9d02b3 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -5960,6 +5960,23 @@ do_assemble_alias (tree decl, tree target) #endif } +/* Output .symver directive. */ + +void +do_assemble_symver (tree decl, tree target) +{ + tree id = DECL_ASSEMBLER_NAME (decl); + ultimate_transparent_alias_target (&id); + ultimate_transparent_alias_target (&target); +#ifdef ASM_OUTPUT_SYMVER_DIRECTIVE + ASM_OUTPUT_SYMVER_DIRECTIVE (asm_out_file, + IDENTIFIER_POINTER (target), + IDENTIFIER_POINTER (id)); +#else + error ("symver is only supported on ELF platforms"); +#endif +} + /* Emit an assembler directive to make the symbol for DECL an alias to the symbol for TARGET. */ |