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| author | Cary Coutant <ccoutant@gmail.com> | 2015-06-04 20:58:08 -0700 |
|---|---|---|
| committer | Cary Coutant <ccoutant@gmail.com> | 2015-06-04 20:58:08 -0700 |
| commit | cd3c333f43f03d6e41668a82a68a99c14000a681 (patch) | |
| tree | 111fa29f0aff6318e7df16f84d90003775adc8f0 /gold/object.cc | |
| parent | dc302c00611b6973fbc55e9fdd643ad24c370bd1 (diff) | |
| download | gdb-cd3c333f43f03d6e41668a82a68a99c14000a681.zip gdb-cd3c333f43f03d6e41668a82a68a99c14000a681.tar.gz gdb-cd3c333f43f03d6e41668a82a68a99c14000a681.tar.bz2 | |
Change default to discard temporary local symbols in merge sections.
Add --discard-none to keep all local symbols.
gold/
PR gold/17498
* object.cc (Sized_relobj_file::do_count_local_symbols): Discard
temporary locals in merge sections.
* options.cc (General_options::parse_discard_all): New method.
(General_options::parse_discard_locals): New method.
(General_options::parse_discard_none): New method.
(General_options::General_options): Initialize discard_locals_.
* options.h (--discard-all): Convert to special option.
(--discard-locals): Likewise.
(--discard-none): New option.
(General_options::discard_all): New method.
(General_options::discard_locals): New method.
(General_options::discard_sec_merge): New method.
(General_options::Discard_locals): New enum.
(General_options::discard_locals_): New data member.
Diffstat (limited to 'gold/object.cc')
| -rw-r--r-- | gold/object.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gold/object.cc b/gold/object.cc index 18c6670..4e94f7e 100644 --- a/gold/object.cc +++ b/gold/object.cc @@ -2174,6 +2174,7 @@ Sized_relobj_file<size, big_endian>::do_count_local_symbols(Stringpool* pool, // Loop over the local symbols. const Output_sections& out_sections(this->output_sections()); + std::vector<Address>& out_section_offsets(this->section_offsets()); unsigned int shnum = this->shnum(); unsigned int count = 0; unsigned int dyncount = 0; @@ -2182,6 +2183,7 @@ Sized_relobj_file<size, big_endian>::do_count_local_symbols(Stringpool* pool, bool strip_all = parameters->options().strip_all(); bool discard_all = parameters->options().discard_all(); bool discard_locals = parameters->options().discard_locals(); + bool discard_sec_merge = parameters->options().discard_sec_merge(); for (unsigned int i = 1; i < loccount; ++i, psyms += sym_size) { elfcpp::Sym<size, big_endian> sym(psyms); @@ -2246,6 +2248,7 @@ Sized_relobj_file<size, big_endian>::do_count_local_symbols(Stringpool* pool, continue; } + // By default, discard temporary local symbols in merge sections. // If --discard-locals option is used, discard all temporary local // symbols. These symbols start with system-specific local label // prefixes, typically .L for ELF system. We want to be compatible @@ -2258,7 +2261,10 @@ Sized_relobj_file<size, big_endian>::do_count_local_symbols(Stringpool* pool, // - the symbol has a name. // // We do not discard a symbol if it needs a dynamic symbol entry. - if (discard_locals + if ((discard_locals + || (discard_sec_merge + && is_ordinary + && out_section_offsets[shndx] == invalid_address)) && sym.get_st_type() != elfcpp::STT_FILE && !lv.needs_output_dynsym_entry() && lv.may_be_discarded_from_output_symtab() |