// target-select.cc -- select a target for an object file
-// Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2006-2019 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
#include "gold.h"
+#include <cstdio>
#include <cstring>
#include "elfcpp.h"
+#include "options.h"
+#include "parameters.h"
#include "target-select.h"
namespace
this->instantiated_target_ = this->do_instantiate_target();
}
+// If we instantiated TARGET, return the corresponding BFD name.
+
+const char*
+Target_selector::do_target_bfd_name(const Target* target)
+{
+ if (!this->is_our_target(target))
+ return NULL;
+ const char* my_bfd_name = this->bfd_name();
+ gold_assert(my_bfd_name != NULL);
+ return my_bfd_name;
+}
+
// Find the target for an ELF file.
Target*
-select_target(int machine, int size, bool is_big_endian, int osabi,
- int abiversion)
+select_target(Input_file* input_file, off_t offset,
+ int machine, int size, bool is_big_endian,
+ int osabi, int abiversion)
{
for (Target_selector* p = target_selectors; p != NULL; p = p->next())
{
&& p->get_size() == size
&& (p->is_big_endian() ? is_big_endian : !is_big_endian))
{
- Target* ret = p->recognize(machine, osabi, abiversion);
+ Target* ret = p->recognize(input_file, offset,
+ machine, osabi, abiversion);
if (ret != NULL)
return ret;
}
p->supported_emulations(names);
}
+// Implement the --print-output-format option.
+
+void
+print_output_format()
+{
+ if (!parameters->target_valid())
+ {
+ // This case arises when --print-output-format is used with no
+ // input files. We need to come up with the right string to
+ // print based on the other options. If the user specified the
+ // format using a --oformat option, use that. That saves each
+ // target from having to remember the name that was used to
+ // select it. In other cases, we will just have to ask the
+ // target.
+ if (parameters->options().user_set_oformat())
+ {
+ const char* bfd_name = parameters->options().oformat();
+ Target* target = select_target_by_bfd_name(bfd_name);
+ if (target != NULL)
+ printf("%s\n", bfd_name);
+ else
+ gold_error(_("unrecognized output format %s"), bfd_name);
+ return;
+ }
+
+ parameters_force_valid_target();
+ }
+
+ const Target* target = ¶meters->target();
+ for (Target_selector* p = target_selectors; p != NULL; p = p->next())
+ {
+ const char* bfd_name = p->target_bfd_name(target);
+ if (bfd_name != NULL)
+ {
+ printf("%s\n", bfd_name);
+ return;
+ }
+ }
+
+ gold_unreachable();
+}
+
} // End namespace gold.