| // target-select.cc -- select a target for an object file |
| |
| #include "gold.h" |
| |
| #include "elfcpp.h" |
| #include "target-select.h" |
| |
| namespace |
| { |
| |
| // The start of the list of target selectors. |
| |
| gold::Target_selector* target_selectors; |
| |
| } // End anonymous namespace. |
| |
| namespace gold |
| { |
| |
| // Construct a Target_selector, which means adding it to the linked |
| // list. This runs at global constructor time, so we want it to be |
| // fast. |
| |
| Target_selector::Target_selector(int machine, int size, bool big_endian) |
| : machine_(machine), size_(size), big_endian_(big_endian) |
| { |
| this->next_ = target_selectors; |
| target_selectors = this; |
| } |
| |
| // Find the target for an ELF file. |
| |
| extern Target* |
| select_target(int machine, int size, bool big_endian, int osabi, |
| int abiversion) |
| { |
| for (Target_selector* p = target_selectors; p != NULL; p = p->next()) |
| { |
| int pmach = p->machine(); |
| if ((pmach == machine || pmach == elfcpp::EM_NONE) |
| && p->size() == size |
| && p->big_endian() ? big_endian : !big_endian) |
| { |
| Target* ret = p->recognize(machine, osabi, abiversion); |
| if (ret != NULL) |
| return ret; |
| } |
| } |
| return NULL; |
| } |
| |
| } // End namespace gold. |