#include "workqueue.h"
#include "object.h"
+#include "symtab.h"
#include "output.h"
#include "reloc.h"
}
}
-// Relocate_functions functions.
+// Copy_relocs::Copy_reloc_entry methods.
+
+// Return whether we should emit this reloc. We should emit it if the
+// symbol is still defined in a dynamic object. If we should not emit
+// it, we clear it, to save ourselves the test next time.
+
+template<int size, bool big_endian>
+bool
+Copy_relocs<size, big_endian>::Copy_reloc_entry::should_emit()
+{
+ if (this->sym_ == NULL)
+ return false;
+ if (this->sym_->is_defined_in_dynobj())
+ return true;
+ this->sym_ = NULL;
+ return false;
+}
+
+// Emit a reloc into a SHT_REL section.
+
+template<int size, bool big_endian>
+void
+Copy_relocs<size, big_endian>::Copy_reloc_entry::emit(
+ Output_data_reloc<elfcpp::SHT_REL, true, size, big_endian>* reloc_data)
+{
+ reloc_data->add_global(this->sym_, this->reloc_type_, this->relobj_,
+ this->shndx_, this->address_);
+}
+
+// Emit a reloc into a SHT_RELA section.
+
+template<int size, bool big_endian>
+void
+Copy_relocs<size, big_endian>::Copy_reloc_entry::emit(
+ Output_data_reloc<elfcpp::SHT_RELA, true, size, big_endian>* reloc_data)
+{
+ reloc_data->add_global(this->sym_, this->reloc_type_, this->relobj_,
+ this->shndx_, this->address_, this->addend_);
+}
+
+// Copy_relocs methods.
// Return whether we need a COPY reloc for a relocation against GSYM.
// The relocation is being applied to section SHNDX in OBJECT.
template<int size, bool big_endian>
bool
-Relocate_functions<size, big_endian>::need_copy_reloc(
+Copy_relocs<size, big_endian>::need_copy_reloc(
const General_options*,
Relobj* object,
unsigned int shndx,
- Symbol*)
+ Sized_symbol<size>* sym)
{
// FIXME: Handle -z nocopyrelocs.
+ if (sym->symsize() == 0)
+ return false;
+
// If this is a readonly section, then we need a COPY reloc.
// Otherwise we can use a dynamic reloc.
if ((object->section_flags(shndx) & elfcpp::SHF_WRITE) == 0)
return false;
}
+// Save a Rel reloc.
+
+template<int size, bool big_endian>
+void
+Copy_relocs<size, big_endian>::save(
+ Symbol* sym,
+ Relobj* relobj,
+ unsigned int shndx,
+ const elfcpp::Rel<size, big_endian>& rel)
+{
+ unsigned int reloc_type = elfcpp::elf_r_type<size>(rel.get_r_info());
+ this->entries_.push_back(Copy_reloc_entry(sym, reloc_type, relobj, shndx,
+ rel.get_r_offset(), 0));
+}
+
+// Save a Rela reloc.
+
+template<int size, bool big_endian>
+void
+Copy_relocs<size, big_endian>::save(
+ Symbol* sym,
+ Relobj* relobj,
+ unsigned int shndx,
+ const elfcpp::Rela<size, big_endian>& rela)
+{
+ unsigned int reloc_type = elfcpp::elf_r_type<size>(rela.get_r_info());
+ this->entries_.push_back(Copy_reloc_entry(sym, reloc_type, relobj, shndx,
+ rela.get_r_offset(),
+ rela.get_r_addend()));
+}
+
+// Return whether there are any relocs to emit. We don't want to emit
+// a reloc if the symbol is no longer defined in a dynamic object.
+
+template<int size, bool big_endian>
+bool
+Copy_relocs<size, big_endian>::any_to_emit()
+{
+ for (typename Copy_reloc_entries::iterator p = this->entries_.begin();
+ p != this->entries_.end();
+ ++p)
+ {
+ if (p->should_emit())
+ return true;
+ }
+ return false;
+}
+
+// Emit relocs.
+
+template<int size, bool big_endian>
+template<int sh_type>
+void
+Copy_relocs<size, big_endian>::emit(
+ Output_data_reloc<sh_type, true, size, big_endian>* reloc_data)
+{
+ for (typename Copy_reloc_entries::iterator p = this->entries_.begin();
+ p != this->entries_.end();
+ ++p)
+ {
+ if (p->should_emit())
+ p->emit(reloc_data);
+ }
+}
+
// Instantiate the templates we need. We could use the configure
// script to restrict this to only the ones for implemented targets.
Output_file* of);
template
-bool
-Relocate_functions<32, false>::need_copy_reloc(const General_options*,
- Relobj*, unsigned int,
- Symbol*);
+class Copy_relocs<32, false>;
template
-bool
-Relocate_functions<32, true>::need_copy_reloc(const General_options*,
- Relobj*, unsigned int,
- Symbol*);
+class Copy_relocs<32, true>;
template
-bool
-Relocate_functions<64, false>::need_copy_reloc(const General_options*,
- Relobj*, unsigned int,
- Symbol*);
+class Copy_relocs<64, false>;
template
-bool
-Relocate_functions<64, true>::need_copy_reloc(const General_options*,
- Relobj*, unsigned int,
- Symbol*);
+class Copy_relocs<64, true>;
+
+template
+void
+Copy_relocs<32, false>::emit<elfcpp::SHT_REL>(
+ Output_data_reloc<elfcpp::SHT_REL, true, 32, false>*);
+
+template
+void
+Copy_relocs<32, true>::emit<elfcpp::SHT_REL>(
+ Output_data_reloc<elfcpp::SHT_REL, true, 32, true>*);
+
+template
+void
+Copy_relocs<64, false>::emit<elfcpp::SHT_REL>(
+ Output_data_reloc<elfcpp::SHT_REL, true, 64, false>*);
+
+template
+void
+Copy_relocs<64, true>::emit<elfcpp::SHT_REL>(
+ Output_data_reloc<elfcpp::SHT_REL, true, 64, true>*);
+
+template
+void
+Copy_relocs<32, false>::emit<elfcpp::SHT_RELA>(
+ Output_data_reloc<elfcpp::SHT_RELA , true, 32, false>*);
+
+template
+void
+Copy_relocs<32, true>::emit<elfcpp::SHT_RELA>(
+ Output_data_reloc<elfcpp::SHT_RELA, true, 32, true>*);
+
+template
+void
+Copy_relocs<64, false>::emit<elfcpp::SHT_RELA>(
+ Output_data_reloc<elfcpp::SHT_RELA, true, 64, false>*);
+
+template
+void
+Copy_relocs<64, true>::emit<elfcpp::SHT_RELA>(
+ Output_data_reloc<elfcpp::SHT_RELA, true, 64, true>*);
} // End namespace gold.
projects / deliverable / binutils-gdb.git / blobdiff