53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
// 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.
|