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Fix handling of common symbols with plugins.

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gold/ChangeLog:
2014-09-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>

	* plugin.cc (Sized_pluginobj::do_add_symbols): Ignore isym->size.
	* resolve.cc (Symbol_table::resolve): Don't override common symbols
	during the replacement phase.
This commit is contained in:
Rafael Ávila de Espíndola 2014-09-17 17:53:49 -04:00
parent 3a53193762
commit 6168c2a1c6
3 changed files with 11 additions and 4 deletions
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6
gold/ChangeLog
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@ -1,3 +1,9 @@
2014-09-17 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
* plugin.cc (Sized_pluginobj::do_add_symbols): Ignore isym->size.
* resolve.cc (Symbol_table::resolve): Don't override common symbols
during the replacement phase.
2014-09-17 Han Shen <shenhan@google.com>
Jing Yu <jingyu@google.com>

4
gold/plugin.cc
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@ -1053,8 +1053,6 @@ Sized_pluginobj<size, big_endian>::do_add_symbols(Symbol_table* symtab,
elfcpp::Sym<size, big_endian> sym(symbuf);
elfcpp::Sym_write<size, big_endian> osym(symbuf);
typedef typename elfcpp::Elf_types<size>::Elf_WXword Elf_size_type;
this->symbols_.resize(this->nsyms_);
for (int i = 0; i < this->nsyms_; ++i)
@ -1125,7 +1123,7 @@ Sized_pluginobj<size, big_endian>::do_add_symbols(Symbol_table* symtab,
osym.put_st_name(0);
osym.put_st_value(0);
osym.put_st_size(static_cast<Elf_size_type>(isym->size));
osym.put_st_size(0);
osym.put_st_info(bind, elfcpp::STT_NOTYPE);
osym.put_st_other(vis, 0);
osym.put_st_shndx(shndx);

5
gold/resolve.cc
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@ -303,11 +303,14 @@ Symbol_table::resolve(Sized_symbol<size>* to,
// If we're processing replacement files, allow new symbols to override
// the placeholders from the plugin objects.
// Treat common symbols specially since it is possible that an ELF
// file increased the size of the alignment.
if (to->source() == Symbol::FROM_OBJECT)
{
Pluginobj* obj = to->object()->pluginobj();
if (obj != NULL
&& parameters->options().plugins()->in_replacement_phase())
&& parameters->options().plugins()->in_replacement_phase()
&& !to->is_common())
{
this->override(to, sym, st_shndx, is_ordinary, object, version);
return;