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Diffstat (limited to 'gold/symtab.cc')
-rw-r--r--gold/symtab.cc35
1 files changed, 31 insertions, 4 deletions
diff --git a/gold/symtab.cc b/gold/symtab.cc
index 56d1e42b8b..99e97210bd 100644
--- a/gold/symtab.cc
+++ b/gold/symtab.cc
@@ -565,8 +565,8 @@ Symbol::set_undefined()
Symbol_table::Symbol_table(unsigned int count,
const Version_script_info& version_script)
- : saw_undefined_(0), offset_(0), table_(count), namepool_(),
- forwarders_(), commons_(), tls_commons_(), small_commons_(),
+ : saw_undefined_(0), offset_(0), has_gnu_output_(false), table_(count),
+ namepool_(), forwarders_(), commons_(), tls_commons_(), small_commons_(),
large_commons_(), forced_locals_(), warnings_(),
version_script_(version_script), gc_(NULL), icf_(NULL),
target_symbols_()
@@ -2565,6 +2565,8 @@ Symbol_table::set_dynsym_indexes(unsigned int index,
++index;
++forced_local_count;
dynpool->add(sym->name(), false, NULL);
+ if (sym->type() == elfcpp::STT_GNU_IFUNC)
+ this->set_has_gnu_output();
}
}
*pforced_local_count = forced_local_count;
@@ -2583,7 +2585,13 @@ Symbol_table::set_dynsym_indexes(unsigned int index,
if (!sym->should_add_dynsym_entry(this))
sym->set_dynsym_index(-1U);
else
- dyn_symbols.push_back(sym);
+ {
+ dyn_symbols.push_back(sym);
+ if (sym->type() == elfcpp::STT_GNU_IFUNC
+ || (sym->binding() == elfcpp::STB_GNU_UNIQUE
+ && parameters->options().gnu_unique()))
+ this->set_has_gnu_output();
+ }
}
return parameters->target().set_dynsym_indexes(&dyn_symbols, index, syms,
@@ -2611,6 +2619,10 @@ Symbol_table::set_dynsym_indexes(unsigned int index,
++index;
syms->push_back(sym);
dynpool->add(sym->name(), false, NULL);
+ if (sym->type() == elfcpp::STT_GNU_IFUNC
+ || (sym->binding() == elfcpp::STB_GNU_UNIQUE
+ && parameters->options().gnu_unique()))
+ this->set_has_gnu_output();
// Record any version information, except those from
// as-needed libraries not seen to be needed. Note that the
@@ -2696,6 +2708,13 @@ Symbol_table::finalize(off_t off, off_t dynoff, size_t dyn_global_index,
else
gold_unreachable();
+ if (this->has_gnu_output_)
+ {
+ Target* target = const_cast<Target*>(&parameters->target());
+ if (target->osabi() == elfcpp::ELFOSABI_NONE)
+ target->set_osabi(elfcpp::ELFOSABI_GNU);
+ }
+
// Now that we have the final symbol table, we can reliably note
// which symbols should get warnings.
this->warnings_.note_warnings(this);
@@ -2747,6 +2766,8 @@ Symbol_table::sized_finalize(off_t off, Stringpool* pool,
{
this->add_to_final_symtab<size>(sym, pool, &index, &off);
++*plocal_symcount;
+ if (sym->type() == elfcpp::STT_GNU_IFUNC)
+ this->set_has_gnu_output();
}
}
@@ -2757,7 +2778,13 @@ Symbol_table::sized_finalize(off_t off, Stringpool* pool,
{
Symbol* sym = p->second;
if (this->sized_finalize_symbol<size>(sym))
- this->add_to_final_symtab<size>(sym, pool, &index, &off);
+ {
+ this->add_to_final_symtab<size>(sym, pool, &index, &off);
+ if (sym->type() == elfcpp::STT_GNU_IFUNC
+ || (sym->binding() == elfcpp::STB_GNU_UNIQUE
+ && parameters->options().gnu_unique()))
+ this->set_has_gnu_output();
+ }
}
// Now do target-specific symbols.