#include "gold.h"
+#include <cstring>
+
#include "elfcpp.h"
#include "target-select.h"
// list. This runs at global constructor time, so we want it to be
// fast.
-Target_selector::Target_selector(int machine, int size, bool is_big_endian)
- : machine_(machine), size_(size), is_big_endian_(is_big_endian)
+Target_selector::Target_selector(int machine, int size, bool is_big_endian,
+ const char* bfd_name)
+ : machine_(machine), size_(size), is_big_endian_(is_big_endian),
+ bfd_name_(bfd_name), instantiated_target_(NULL), lock_(NULL),
+ initialize_lock_(&this->lock_)
+
{
this->next_ = target_selectors;
target_selectors = this;
}
+// Instantiate the target and return it. Use a lock to avoid
+// instantiating two instances of the same target.
+
+Target*
+Target_selector::instantiate_target()
+{
+ // We assume that the pointer will either be written entirely or not
+ // at all.
+ if (this->instantiated_target_ == NULL)
+ {
+ this->initialize_lock_.initialize();
+ Hold_optional_lock hl(this->lock_);
+ if (this->instantiated_target_ == NULL)
+ this->instantiated_target_ = this->do_instantiate_target();
+ }
+ return this->instantiated_target_;
+}
+
// Find the target for an ELF file.
Target*
{
for (Target_selector* p = target_selectors; p != NULL; p = p->next())
{
- Target* ret = p->recognize_by_name(name);
- if (ret != NULL)
- return ret;
+ const char* pname = p->bfd_name();
+ if (pname == NULL || strcmp(pname, name) == 0)
+ {
+ Target* ret = p->recognize_by_name(name);
+ if (ret != NULL)
+ return ret;
+ }
}
return NULL;
}
+// Push all the supported BFD names onto a vector.
+
+void
+supported_target_names(std::vector<const char*>* names)
+{
+ for (Target_selector* p = target_selectors; p != NULL; p = p->next())
+ p->supported_names(names);
+}
+
} // End namespace gold.