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Resolve forwarding symbols in plugins. 

2015-02-04  Peter Collingbourne  <pcc@google.com>

	* plugin.cc (Pluginobj::get_symbol_resolution_info): Resolve
	forwarding symbols when computing symbol resolution info for plugins.
This commit is contained in:
Peter Collingbourne 2015-02-04 09:47:28 -08:00 committed by Cary Coutant
parent 42d9e5288b
commit 3c537f7fdb
2 changed files with 18 additions and 6 deletions
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17
gold/plugin.cc
View File

@ -914,7 +914,8 @@ is_visible_from_outside(Symbol* lsym)
// Get symbol resolution info.
ld_plugin_status
Pluginobj::get_symbol_resolution_info(int nsyms,
Pluginobj::get_symbol_resolution_info(Symbol_table* symtab,
int nsyms,
ld_plugin_symbol* syms,
int version) const
{
@ -943,6 +944,8 @@ Pluginobj::get_symbol_resolution_info(int nsyms,
{
ld_plugin_symbol* isym = &syms[i];
Symbol* lsym = this->symbols_[i];
if (lsym->is_forwarder())
lsym = symtab->resolve_forwards(lsym);
ld_plugin_symbol_resolution res = LDPR_UNKNOWN;
if (lsym->is_undefined())
@ -1511,14 +1514,16 @@ static enum ld_plugin_status
get_symbols(const void* handle, int nsyms, ld_plugin_symbol* syms)
{
gold_assert(parameters->options().has_plugins());
Object* obj = parameters->options().plugins()->object(
Plugin_manager* plugins = parameters->options().plugins();
Object* obj = plugins->object(
static_cast<unsigned int>(reinterpret_cast<intptr_t>(handle)));
if (obj == NULL)
return LDPS_ERR;
Pluginobj* plugin_obj = obj->pluginobj();
if (plugin_obj == NULL)
return LDPS_ERR;
return plugin_obj->get_symbol_resolution_info(nsyms, syms, 1);
Symbol_table* symtab = plugins->symtab();
return plugin_obj->get_symbol_resolution_info(symtab, nsyms, syms, 1);
}
// Version 2 of the above. The only difference is that this version
@ -1528,14 +1533,16 @@ static enum ld_plugin_status
get_symbols_v2(const void* handle, int nsyms, ld_plugin_symbol* syms)
{
gold_assert(parameters->options().has_plugins());
Object* obj = parameters->options().plugins()->object(
Plugin_manager* plugins = parameters->options().plugins();
Object* obj = plugins->object(
static_cast<unsigned int>(reinterpret_cast<intptr_t>(handle)));
if (obj == NULL)
return LDPS_ERR;
Pluginobj* plugin_obj = obj->pluginobj();
if (plugin_obj == NULL)
return LDPS_ERR;
return plugin_obj->get_symbol_resolution_info(nsyms, syms, 2);
Symbol_table* symtab = plugins->symtab();
return plugin_obj->get_symbol_resolution_info(symtab, nsyms, syms, 2);
}
// Add a new (real) input file generated by a plugin.

7
gold/plugin.h
View File

@ -282,6 +282,10 @@ class Plugin_manager
input_objects() const
{ return this->input_objects_; }
Symbol_table*
symtab()
{ return this->symtab_; }
Layout*
layout()
{ return this->layout_; }
@ -396,7 +400,8 @@ class Pluginobj : public Object
// Fill in the symbol resolution status for the given plugin symbols.
ld_plugin_status
get_symbol_resolution_info(int nsyms,
get_symbol_resolution_info(Symbol_table* symtab,
int nsyms,
ld_plugin_symbol* syms,
int version) const;