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* powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL

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_GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
	(Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
	value if it already exists.
This commit is contained in:
Alan Modra 2012-11-30 04:47:08 +00:00
parent 69e601f38c
commit bb66a627d0
2 changed files with 24 additions and 10 deletions
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7
gold/ChangeLog
View File

@ -1,3 +1,10 @@
2012-11-30 Alan Modra <amodra@gmail.com>
* powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
_GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
(Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
value if it already exists.
2012-11-19 H.J. Lu <hongjiu.lu@intel.com>
PR gold/14858

27
gold/powerpc.cc
View File

@ -1391,8 +1391,8 @@ Powerpc_relobj<size, big_endian>::do_scan_relocs(Symbol_table* symtab,
{
if (size == 32)
{
// Define a weak hidden _GLOBAL_OFFSET_TABLE_ to ensure it isn't
// seen as undefined when scanning relocs (and thus requires
// Define _GLOBAL_OFFSET_TABLE_ to ensure it isn't seen as
// undefined when scanning relocs (and thus requires
// non-relative dynamic relocs). The proper value will be
// updated later.
Symbol *gotsym = symtab->lookup("_GLOBAL_OFFSET_TABLE_", NULL);
@ -1407,7 +1407,7 @@ Powerpc_relobj<size, big_endian>::do_scan_relocs(Symbol_table* symtab,
Symbol_table::PREDEFINED,
got, 0, 0,
elfcpp::STT_OBJECT,
elfcpp::STB_WEAK,
elfcpp::STB_LOCAL,
elfcpp::STV_HIDDEN, 0,
false, false);
}
@ -1574,13 +1574,20 @@ private:
Output_data_got<size, big_endian>::add_constant(0);
// Define _GLOBAL_OFFSET_TABLE_ at the header
this->symtab_->define_in_output_data("_GLOBAL_OFFSET_TABLE_", NULL,
Symbol_table::PREDEFINED,
this, this->g_o_t(), 0,
elfcpp::STT_OBJECT,
elfcpp::STB_LOCAL,
elfcpp::STV_HIDDEN,
0, false, false);
Symbol *gotsym = this->symtab_->lookup("_GLOBAL_OFFSET_TABLE_", NULL);
if (gotsym != NULL)
{
Sized_symbol<size>* sym = static_cast<Sized_symbol<size>*>(gotsym);
sym->set_value(this->g_o_t());
}
else
this->symtab_->define_in_output_data("_GLOBAL_OFFSET_TABLE_", NULL,
Symbol_table::PREDEFINED,
this, this->g_o_t(), 0,
elfcpp::STT_OBJECT,
elfcpp::STB_LOCAL,
elfcpp::STV_HIDDEN, 0,
false, false);
}
else
Output_data_got<size, big_endian>::add_constant(0);