diff options
Diffstat (limited to 'gold/target-select.cc')
| -rw-r--r-- | gold/target-select.cc | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gold/target-select.cc b/gold/target-select.cc index b81f5a28ea8..55d63b2dace 100644 --- a/gold/target-select.cc +++ b/gold/target-select.cc @@ -46,13 +46,27 @@ namespace gold 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) + 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() +{ + 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* |